.topbar .nav-metric{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:4px;flex:none;min-height:32px;padding-inline:3px;color:var(--text-secondary);font-size:var(--type-body);white-space:nowrap;cursor:default;border-radius:4px}.nav-metric>svg{flex:none;color:currentColor}.nav-metric-value{display:block;min-width:1ch;max-width:48px;overflow:hidden;text-overflow:ellipsis;text-align:right;font-weight:500;font-variant-numeric:tabular-nums}.nav-metric.unavailable{color:var(--muted)}.nav-metric:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nav-metric-tooltip{position:absolute;top:calc(100% + 6px);right:0;z-index:80;width:max-content;max-width:min(240px,calc(100vw - 24px));box-sizing:border-box;padding:6px 9px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--text);box-shadow:0 4px 14px #0002;font-size:var(--type-small);font-weight:400;line-height:1.5;white-space:normal;overflow-wrap:anywhere;visibility:hidden;opacity:0}.nav-metric-tooltip:before{content:"";position:absolute;bottom:100%;left:0;right:0;height:7px}.nav-metric:is(:hover,:focus-visible):not([data-tooltip-dismissed])>.nav-metric-tooltip{visibility:visible;opacity:1}@media(max-width:600px){.topbar .nav-metric{font-size:var(--type-small);padding-inline:2px}.nav-metric-value{max-width:46px}.nav-metric-tooltip{max-width:min(200px,calc(100vw - 24px))}}@media(max-width:360px){.nav-metric-value{max-width:36px}}.bilingual-text{display:inline-grid;grid-template-columns:minmax(0,1fr);min-width:0;max-width:100%;vertical-align:baseline}.bilingual-text>span{grid-area:1 / 1;min-width:0;align-self:start}.bilingual-text>span[aria-hidden=true]{visibility:hidden;pointer-events:none;-webkit-user-select:none;user-select:none}.practice-start{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(260px,1fr);gap:30px;margin-bottom:30px;padding:26px 28px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.journey-kicker{display:block;color:var(--muted);font-size:var(--type-small);letter-spacing:.03em}.practice-start h2{margin:0 0 10px;font-size:clamp(22px,2.5vw,30px);line-height:1.3;letter-spacing:-.03em}.journey-steps{display:flex;flex-wrap:wrap;gap:10px 18px;margin:18px 0 14px;padding:0;list-style:none;counter-reset:journey}.journey-steps li{display:flex;align-items:center;gap:6px;font-size:var(--type-body);counter-increment:journey}.journey-steps li:before{content:counter(journey) ".";color:var(--accent);font-variant-numeric:tabular-nums}.journey-steps svg{color:var(--muted);flex-shrink:0}.practice-start-copy>button{font-size:var(--type-body)}.practice-recommendation{min-width:0;padding:4px 0 0 26px;border-left:1px solid var(--line)}.practice-recommendation h3{font-size:19px;line-height:1.5;margin:5px 0 6px;overflow-wrap:anywhere}.practice-recommendation p{font-size:var(--type-body);line-height:1.7;margin:0 0 10px;color:var(--muted)}.journey-meta{display:flex;flex-wrap:wrap;gap:16px;margin:9px 0 13px;color:var(--muted);font-size:var(--type-small)}.journey-meta>span{display:inline-flex;align-items:center;gap:5px}.practice-recommendation .button{min-height:40px;font-size:var(--type-body)}.practice-recommendation>small{display:block;margin-top:10px;color:var(--muted);font-size:var(--type-small);line-height:1.7}.journey-progress{display:block;margin-top:10px;font-size:var(--type-small);color:var(--muted);font-variant-numeric:tabular-nums}.practice-next-step{padding:16px;margin:16px 0 22px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.practice-next-step>strong{display:flex;align-items:center;gap:7px;font-size:var(--type-body);color:var(--green)}.journey-review-actions{display:flex;gap:16px;flex-wrap:wrap;margin:12px 0;font-size:var(--type-body)}.journey-next-link{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:12px;font-size:var(--type-body)}.journey-next-link:hover{color:var(--accent)}.journey-next-link>span{min-width:0;overflow-wrap:anywhere}.journey-next-link small{display:block;margin-bottom:4px;font-size:var(--type-small);color:var(--muted)}.journey-next-link>svg{flex-shrink:0}@media(max-width:700px){.practice-start{grid-template-columns:minmax(0,1fr);padding:20px;gap:20px;margin-bottom:24px}.practice-recommendation{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.journey-steps{gap:10px 14px}.practice-recommendation .button{width:100%}}.browser-judge-panel{padding:12px 16px;border-bottom:1px solid var(--line);font-size:var(--type-small);line-height:1.6}.browser-judge-panel label{display:flex;align-items:center;gap:10px;margin-bottom:5px;font-weight:600}.browser-judge-panel select{max-width:240px;padding:5px 8px;color:inherit;background:var(--surface);border:1px solid var(--line);border-radius:6px}.browser-judge-panel small{display:block;color:var(--muted)}.browser-judge-panel p{margin:6px 0 0}.browser-judge-panel button{margin-left:10px}.browser-run-progress{margin-top:10px;padding:10px;border:1px solid var(--line);border-radius:8px;min-width:0}.browser-judge-panel>.browser-run-progress:first-child{margin-top:0;margin-bottom:10px}.browser-run-progress-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.browser-run-progress-header button{flex:none}.browser-run-progress progress{display:block;width:100%;height:5px;margin-top:6px;accent-color:var(--accent)}.server-judge-panel{padding:12px 16px;border-bottom:1px solid var(--line);font-size:var(--type-small);line-height:1.6}.server-judge-panel strong,.server-judge-panel small{display:block}.server-judge-panel small{color:var(--muted)}.browser-result-actions{padding:15px;margin:14px 0;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:var(--type-body);line-height:1.7}.browser-syntax-notice{padding:16px;margin-bottom:16px;border:1px solid var(--line);border-left:3px solid var(--danger, #b44c42);border-radius:8px;background:var(--surface);font-size:var(--type-body);line-height:1.7}.browser-syntax-notice p{margin:7px 0;color:var(--muted)}.browser-syntax-notice pre{padding:10px;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--surface);border:1px solid var(--line);border-radius:6px}.source-location-button{margin:6px 0;max-width:100%;white-space:normal}.browser-result-actions p{margin:7px 0 12px;color:var(--muted)}.browser-result-buttons{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.browser-result-buttons .button{min-height:38px;font-size:var(--type-body)}.draft-handoff-notice{flex:none;max-height:42vh;overflow:auto;padding:15px 22px;border-bottom:1px solid var(--line);background:var(--surface);font-size:var(--type-body);line-height:1.7}.draft-handoff-notice p{margin:5px 0 10px;color:var(--muted)}.draft-handoff-notice details{margin:7px 0}.draft-handoff-notice pre{max-height:180px;overflow:auto;padding:10px;border:1px solid var(--line);border-radius:6px;background:var(--surface);white-space:pre;font-size:var(--type-small)}.draft-handoff-notice>button,.draft-handoff-notice>a{margin-right:14px}@media(max-width:600px){.draft-handoff-notice{padding:12px}.browser-result-buttons{align-items:stretch}.browser-result-buttons .button{width:100%}}.browser-draft-backups{margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:6px;font-size:var(--type-small)}.browser-draft-backups summary{cursor:pointer;font-weight:600}.browser-draft-backups p{line-height:1.6;color:var(--muted)}.browser-draft-backups pre{max-height:160px;max-width:100%;overflow:auto;padding:10px;background:var(--surface);border:1px solid var(--line);font-family:var(--font-mono);white-space:pre}.browser-draft-backups article+article{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}.browser-draft-backups article>div{display:flex;flex-wrap:wrap;gap:8px}.browser-draft-backups button{padding:5px 8px;border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--text);cursor:pointer}.browser-draft-backups button:disabled{opacity:.5;cursor:default}.reset-code-dialog{width:min(580px,calc(100vw - 32px));max-height:calc(100dvh - 40px);box-sizing:border-box;overflow:auto;padding:24px;border:1px solid var(--line);border-radius:12px;color:var(--text);background:var(--surface);box-shadow:0 20px 70px #0004}.reset-code-dialog::backdrop{background:#0007}.reset-code-dialog h2{margin:0 0 12px;font-size:20px;line-height:1.4}.reset-code-dialog p{margin:10px 0;font-size:var(--type-body);line-height:1.7;color:var(--muted)}.reset-code-dialog details{margin:16px 0;font-size:var(--type-body)}.reset-code-dialog summary{cursor:pointer}.reset-code-dialog pre{max-height:220px;overflow:auto;padding:12px;border:1px solid var(--line);border-radius:6px;font-size:var(--type-small);line-height:1.5;white-space:pre}.reset-code-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px;margin-top:20px}.reset-code-actions .button{min-height:40px;font-size:var(--type-body)}@media(max-width:500px){.reset-code-dialog{padding:18px}.reset-code-actions{flex-direction:column}.reset-code-actions .button{width:100%}}.browser-run-progress-body{min-height:104px}.browser-run-progress-header button,.browser-progress-retry{min-height:40px;padding:8px 12px;border:1px solid var(--line);border-radius:7px;background:var(--surface);color:var(--accent);font:inherit;font-size:var(--type-small);line-height:1.6;cursor:pointer}.browser-run-progress-header button:hover,.browser-progress-retry:hover{background:var(--surface2)}.browser-run-progress-header button:focus-visible,.browser-progress-retry:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.browser-progress-fallback p{margin:10px 0;font-size:var(--type-small);line-height:1.7;overflow-wrap:anywhere}.browser-progress-fallback .browser-progress-recovery{color:var(--muted)}@media(pointer:coarse){.browser-run-progress-header button,.browser-progress-retry{min-height:44px}}.social-page{max-width:1400px;margin:0 auto;padding:34px 36px 60px}.community-page{padding-top:28px}.social-page-heading{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:10px 0 29px}.social-page-heading>div{min-width:0}.social-eyebrow{color:var(--accent);font:600 var(--type-small)/1.5 var(--font-sans);letter-spacing:.6px}.social-page-heading h1,.login-card h1{font-weight:600;font-size:28px;letter-spacing:-.5px;margin:11px 0 10px;line-height:1.4}.social-page-heading p,.social-description{color:var(--text-secondary);line-height:1.7;font-size:var(--type-body)}.community-heading{min-height:44px;padding:0}.community-heading h1{margin:0;font-size:26px;line-height:1.35}.social-panel{min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:24px}.social-back{display:inline-flex;align-items:center;gap:8px;color:var(--text-secondary);margin-bottom:25px;font-size:var(--type-body)}.social-back:hover{color:var(--text)}.problem-discussion-context{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;margin-bottom:22px;border:1px solid var(--line);border-radius:9px;background:var(--surface2);flex-wrap:wrap}.problem-discussion-context>div:first-child{display:grid;gap:5px;min-width:0;overflow-wrap:anywhere}.problem-discussion-context strong{font-size:var(--type-body)}.problem-discussion-context small{color:var(--text-secondary)}.problem-discussion-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:var(--type-body)}.post-problem-link{display:inline-flex;align-items:center;gap:5px;color:var(--accent);font-size:var(--type-small);margin-top:7px;overflow-wrap:anywhere}.module-discussion-tab{display:inline-flex;align-items:center;gap:6px;padding:0 12px;white-space:nowrap;font-size:var(--type-body);color:var(--text-secondary)}.module-discussion-tab:hover,.module-discussion-tab:focus-visible{color:var(--accent)}.social-avatar{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;border-radius:50%;color:#fff;font-weight:600;line-height:1;-webkit-user-select:none;user-select:none}.social-avatar{overflow:hidden}.social-avatar>img{width:100%;height:100%;object-fit:cover;display:block}.person-link{display:inline-flex;align-items:center;gap:9px;min-width:0}.person-link>span:last-child{overflow:hidden;text-overflow:ellipsis;font-weight:500;white-space:nowrap}.person-link:hover,.post-author-name:hover{color:var(--accent)}.account-nav{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.sign-in-nav{border:1px solid var(--line);border-radius:5px;padding:7px 11px;font-size:var(--type-body);white-space:nowrap}.sign-in-nav:hover{color:var(--accent);border-color:var(--accent)}.institution-badge{display:inline-flex;align-items:center;max-width:100%;color:var(--text-secondary);font-size:var(--type-body);line-height:1.6}.affiliation-name{min-width:0;overflow-wrap:anywhere}.social-notice{padding:12px 15px;background:color-mix(in srgb,var(--accent) 8%,transparent);border:1px solid color-mix(in srgb,var(--accent) 28%,transparent);border-radius:6px;font-size:var(--type-body);line-height:1.8;margin:15px 0;overflow-wrap:anywhere}.social-notice.error{color:#ee9292;border-color:#c9606040;background:#b7505010}[data-theme=light] .social-notice.error{color:#b83131}.social-loading{min-height:220px;display:flex;justify-content:center;align-items:center;gap:10px;color:var(--text-secondary);font-size:var(--type-body)}.social-form{display:flex;flex-direction:column;gap:18px}.social-form label{display:flex;flex-direction:column;gap:9px;font-size:var(--type-body);font-weight:500}.social-form input,.social-form textarea,.social-form select{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--text);padding:11px 12px;border-radius:5px;font:400 var(--type-body)/1.6 var(--font-sans)}.social-form input:focus,.social-form textarea:focus,.social-form select:focus{outline:2px solid color-mix(in srgb,var(--accent) 45%,transparent);outline-offset:1px}.social-form textarea{resize:vertical;min-height:95px;font-size:var(--type-body);line-height:1.75}.social-form textarea::placeholder{color:var(--text-secondary)}.social-form label>small{color:var(--text-secondary);font-size:var(--type-body);font-weight:400;line-height:1.7}.social-form .button{align-self:flex-start}.social-form .button:disabled{cursor:not-allowed}.form-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}.form-footer small{color:var(--text-secondary);line-height:1.6;font-size:var(--type-body)}.form-footer>.button{margin-left:auto;flex-shrink:0}.account-page{max-width:1040px}.account-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:25px;align-items:start}.login-card{padding:32px}.login-card .social-form{margin-top:25px}.login-card .social-form>.button{width:100%}.account-fineprint{font-size:var(--type-body);color:var(--text-secondary);line-height:1.7;margin-top:24px;border-top:1px solid var(--line);padding-top:20px}.account-aside{display:flex;flex-direction:column;gap:20px}.account-aside h3{margin:14px 0 11px;font-size:var(--type-body)}.account-aside .social-panel>h3:first-child{margin-top:0}.account-aside p{font-size:var(--type-body);line-height:1.7;color:var(--text-secondary)}.accent-icon{color:var(--accent)}.institution-request summary{display:flex;align-items:center;justify-content:space-between;font-weight:500;font-size:var(--type-body);cursor:pointer}.institution-request>p{margin:14px 0 18px}.institution-request .social-form{gap:15px}.institution-request .social-form input{font-size:var(--type-body);padding:9px}.form-inline-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:var(--type-body);color:var(--accent)}.recognized-institution{color:var(--text-secondary);display:flex;align-items:center;gap:6px;font-size:var(--type-body);margin-top:-6px}.settings-avatar{display:flex;align-items:center;gap:20px;margin-bottom:9px}.settings-avatar h3{font-size:var(--type-body);margin-bottom:12px}.settings-avatar>div{min-width:0}.avatar-upload-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.social-form .avatar-file-button{position:relative;display:inline-flex;flex-direction:row;cursor:pointer;font-weight:500}.avatar-file-button input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer;width:100%}.avatar-file-button:focus-within{outline:2px solid var(--accent);outline-offset:2px}.social-form .avatar-file-button.disabled{opacity:.5;cursor:default}.avatar-upload-help,.profile-edit-hint,.public-affiliation-setting p{font-size:var(--type-small);color:var(--text-secondary);line-height:1.65}.avatar-upload-help{margin:9px 0 6px}.settings-avatar .profile-edit-hint{margin:0 0 13px}.public-affiliation-setting p{margin:9px 0 0}.settings-section{border-top:1px solid var(--line);margin-top:7px;padding-top:24px}.settings-section h3{font-size:17px}.settings-section p{color:var(--text-secondary);line-height:1.8;font-size:var(--type-body);margin-top:10px}.social-form label.social-checkbox{display:flex;flex-direction:row;align-items:flex-start;gap:11px}.social-checkbox input{width:15px;height:15px;flex-shrink:0;margin:1px 0 0;accent-color:var(--accent)}.social-checkbox span{line-height:1.6}.social-checkbox small{display:block;color:var(--text-secondary);font-size:var(--type-body);font-weight:400;margin-top:5px}.account-aside .private-email{color:var(--text);overflow-wrap:anywhere;margin:20px 0 12px}.account-aside .institution-badge+p{margin-top:14px}.logout-button{margin-top:22px}.profile-preview{display:flex;flex-direction:column;align-items:flex-start;gap:9px;padding-top:8px}.profile-preview>span:not(.social-avatar),.profile-preview>p{color:var(--text-secondary);font-size:var(--type-body)}.community-layout{display:grid;grid-template-columns:218px minmax(0,1fr);gap:22px;align-items:start}.community-sidebar{display:flex;flex-direction:column;min-width:0;gap:19px}.community-board-scroll{min-width:0}.community-compose-button{width:100%;justify-content:center}.board-list{padding:16px 10px 10px}.sidebar-label{display:block;font-size:var(--type-small);font-weight:500;color:var(--text-secondary);padding:0 12px 10px}.board-list button{display:flex;width:100%;gap:11px;align-items:center;font-size:var(--type-body);padding:12px;border-radius:5px;color:var(--text-secondary);margin:2px 0;text-align:left}.board-list button.selected{color:var(--accent);background:color-mix(in srgb,var(--accent) 9%,transparent)}.board-list button:hover{background:var(--surface2);color:var(--text)}.community-feed{min-width:0}.community-feed-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;min-height:44px;margin-bottom:19px}.community-feed-toolbar>.social-tabs{flex-shrink:0}.community-feed-controls{display:flex;align-items:flex-start;flex-wrap:wrap;gap:12px;flex:0 1 465px;min-width:0;margin-left:auto}.social-tabs{display:flex;align-items:center;gap:23px;border-bottom:1px solid var(--line);overflow-x:auto}.social-tabs button{position:relative;padding:16px 1px;display:flex;align-items:center;gap:7px;white-space:nowrap;color:var(--text-secondary);font-size:var(--type-body)}.social-tabs button.selected{color:var(--text)}.social-tabs button.selected:after{content:"";position:absolute;height:2px;left:0;right:0;bottom:0;background:var(--accent)}.social-tabs.compact{border-bottom:0}.social-tabs.compact button{padding:10px 1px}.feed-items{padding:0;overflow:hidden}.feed-error{padding:18px 24px 24px}.community-post-card{padding:25px 24px 22px;border-bottom:1px solid var(--line)}.community-post-card:last-child{border-bottom:0}.post-card-layout{display:flex;align-items:flex-start;gap:14px}.post-card-main{min-width:0;flex:1}.post-card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;color:var(--text-secondary);font-size:var(--type-body);min-height:21px}.post-author-name{color:var(--text);font-weight:500;font-size:var(--type-body)}.community-category{display:inline-flex;padding:3px 7px;border:1px solid var(--line);border-radius:4px;color:var(--text-secondary);font-size:var(--type-small);line-height:1.4}.post-card-meta>.community-category{margin-left:auto}.post-title{display:block;font-weight:600;font-size:18px;line-height:1.5;margin:9px 0 7px;overflow-wrap:anywhere}.post-title:hover{color:var(--accent)}.post-excerpt{font-size:var(--type-body);line-height:1.7;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.post-card-counts{display:flex;flex-wrap:wrap;gap:22px;color:var(--text-secondary);font-size:var(--type-body);margin-top:16px}.post-card-counts>span{display:flex;align-items:center;gap:6px}.community-empty{min-height:280px;padding:44px 32px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.community-empty-icon{width:68px;height:68px;display:grid;place-items:center;color:var(--text-secondary);border-radius:18px;background:var(--surface2);border:1px solid var(--line);margin-bottom:20px}.community-empty h3{font-size:18px;font-weight:500;margin-bottom:12px}.community-empty>div>p{font-size:var(--type-body);line-height:1.7;color:var(--text-secondary);max-width:360px}.community-pagination{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:18px;color:var(--text-secondary);font-size:var(--type-body)}.community-pagination>span{margin-right:8px}.community-pagination>button{padding:5px;border:1px solid var(--line);border-radius:4px}.community-pagination>button:disabled{opacity:.3;cursor:default}.panel-title{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:22px}.panel-title h2{font-size:20px;font-weight:500}.panel-title h2 span{margin-left:8px;color:var(--text-secondary);font-size:var(--type-body)}.community-composer{margin-bottom:22px}.community-draft-status,.draft-discard-confirm{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:18px;font-size:var(--type-small);line-height:1.6;color:var(--text-secondary)}.composer-problem{margin:0 0 14px}.draft-discard-confirm{padding:12px;border:1px solid var(--line);border-radius:7px;background:var(--surface2)}.draft-discard-confirm button{padding:5px 9px;border:1px solid var(--line);border-radius:5px;color:var(--text)}.community-composer .social-form>label:first-child{max-width:225px}.editor-toggle{display:flex;flex-wrap:wrap;align-items:center;gap:18px;color:var(--text-secondary);border-bottom:1px solid var(--line);margin-bottom:-18px;padding:0 0 10px}.editor-toggle button{font-size:var(--type-body);padding:2px}.editor-toggle button.selected{color:var(--accent)}.editor-toggle small{margin-left:auto;font-size:var(--type-small)}.compose-preview{min-height:225px;padding:10px 0}.community-composer textarea{border-top-left-radius:0;border-top-right-radius:0}.discussion-page{max-width:1000px}.discussion-post{padding:32px;margin-bottom:22px}.discussion-heading{border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:27px}.discussion-heading h1{font-size:26px;line-height:1.55;margin:16px 0 18px;font-weight:600;overflow-wrap:anywhere}.discussion-author{display:flex;gap:15px;align-items:center;flex-wrap:wrap;font-size:var(--type-body)}.discussion-author>time{color:var(--text-secondary);font-size:var(--type-body)}.delete-action{margin-left:auto}.community-prose{overflow-wrap:anywhere;font-size:var(--type-body);line-height:1.75}.community-prose p{white-space:pre-wrap}.community-prose pre{padding:17px;background:var(--bg);border:1px solid var(--line);border-radius:5px;max-width:100%;overflow-x:auto}.community-prose pre code{font:var(--type-body)/1.65 var(--font-mono);white-space:pre}.community-prose .katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden;padding:4px 0}.community-format-help{margin:8px 0 12px;font-size:var(--type-small);line-height:1.7;color:var(--text-secondary)}.community-format-help summary{width:fit-content;cursor:pointer;color:var(--accent)}.community-format-help p{margin:8px 0}.community-format-help pre{margin:8px 0;padding:10px;max-width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:5px;font:var(--type-small)/1.6 var(--font-mono);white-space:pre}.community-image-alt{color:var(--text-secondary);font-style:italic}.discussion-actions{display:flex;flex-wrap:wrap;align-items:center;gap:11px;border-top:1px solid var(--line);margin-top:30px;padding-top:21px}.discussion-actions>button{border:1px solid var(--line);border-radius:5px;padding:8px 11px;display:flex;align-items:center;gap:7px;font-size:var(--type-body);color:var(--text-secondary)}.discussion-actions>button.active{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,transparent);background:color-mix(in srgb,var(--accent) 7%,transparent)}.discussion-actions>button span{font-size:var(--type-body);margin-left:4px}.discussion-actions>span{margin-left:auto;display:flex;align-items:center;gap:6px;font-size:var(--type-body);color:var(--text-secondary)}.discussion-replies{margin-bottom:22px;padding:25px 32px}.discussion-replies .panel-title{margin-bottom:2px}.community-reply{padding:22px 0;border-bottom:1px solid var(--line)}.community-reply:last-child{border-bottom:0;padding-bottom:0}.community-reply.nested-reply{margin-left:30px;border-left:2px solid var(--line);padding-left:17px}.reply-heading{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:var(--type-body);margin-bottom:15px}.reply-heading>time,.reply-context{font-size:var(--type-small);color:var(--text-secondary)}.reply-link{color:var(--text-secondary);display:flex;gap:6px;align-items:center;font-size:var(--type-body);margin-top:15px;padding:2px 0}.reply-link:hover{color:var(--accent)}.no-replies{color:var(--text-secondary);font-size:var(--type-body);padding:25px 0 5px}.reply-composer .panel-title h3{font-size:18px}.reply-composer .panel-title .person-link{font-size:var(--type-body)}.reply-target{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;font-size:var(--type-body);padding:5px 10px;background:var(--surface2);margin-bottom:14px;border-radius:4px}.delete-confirm{position:fixed;z-index:30;bottom:30px;left:50%;transform:translate(-50%);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:9px;display:flex;align-items:center;gap:15px;padding:18px 22px;width:max-content;max-width:calc(100vw - 30px);font-size:var(--type-body)}.button.danger{background:#aa4040;border-color:#aa4040;color:#fff}.profile-page{max-width:1080px}.profile-header{padding:0;overflow:hidden}.profile-cover{height:86px;background:linear-gradient(115deg,color-mix(in srgb,var(--accent) 12%,var(--surface)),var(--surface2));border-bottom:1px solid var(--line);display:flex;justify-content:flex-end;align-items:center;padding:25px 31px}.profile-cover span{color:var(--text-secondary);letter-spacing:-1px;font-size:23px;font-weight:600;opacity:.4}.profile-header-inner{display:flex;align-items:flex-start;gap:23px;padding:25px 31px}.profile-header-inner>.social-avatar{margin-top:-51px;border:5px solid var(--surface);width:94px!important;height:94px!important}.profile-primary{min-width:0;flex:1}.profile-primary h1{font-size:26px;line-height:1.5;overflow-wrap:anywhere;margin:-3px 0 4px}.profile-handle{font-size:var(--type-body);color:var(--text-secondary)}.profile-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}.profile-facts>span{display:inline-flex;align-items:center;gap:6px;color:var(--text-secondary);font-size:var(--type-body)}.profile-bio{font-size:var(--type-body);line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere;margin-top:17px}.profile-edit{flex-shrink:0;font-size:var(--type-body)}.profile-stats{display:flex;flex-wrap:wrap;gap:32px;border-top:1px solid var(--line);margin:0 31px;padding:20px 0}.profile-stats button{display:inline-flex;align-items:center;gap:8px;padding:0;font-size:var(--type-body);color:var(--text-secondary)}.profile-stats b{color:var(--text);font-size:20px;font-weight:500}.profile-tabs{margin:20px 0;gap:27px}.profile-tabs button span{font-size:var(--type-small);padding:1px 5px;background:var(--surface2);border-radius:4px}.profile-activity{padding:0;overflow:hidden}.activity-label{display:flex;align-items:center;flex-wrap:wrap;gap:7px;font-size:var(--type-body);color:var(--text-secondary);margin-bottom:18px}.activity-label>a{color:var(--accent)}.activity-label>time{margin-left:auto;font-size:var(--type-small)}.profile-activity>div:not(:last-child){border-bottom:1px solid var(--line)}.profile-reply-card{padding:24px}.profile-reply-card .community-prose{font-size:var(--type-body)}.connection-card{display:flex;align-items:flex-start;gap:15px;padding:24px;border-bottom:1px solid var(--line)}.connection-card:last-child{border:0}.connection-card>div{flex:1;min-width:0}.connection-card>div>a{display:flex;flex-wrap:wrap;align-items:baseline;gap:9px}.connection-card>div>a>b{font-size:var(--type-body);font-weight:500}.connection-card>div>a>span{color:var(--text-secondary);font-size:var(--type-body)}.connection-card .institution-badge{margin-top:8px}.connection-card p{color:var(--text-secondary);font-size:var(--type-body);margin-top:9px;line-height:1.8;overflow-wrap:anywhere}.connection-card>.button{flex-shrink:0;font-size:var(--type-body);padding:7px 11px}@media(max-width:850px){.social-page{padding:26px 22px 45px}.community-layout{grid-template-columns:200px minmax(0,1fr);gap:18px}.board-list button{padding:10px 7px;font-size:var(--type-body);gap:8px}.account-grid{grid-template-columns:minmax(0,1fr) 245px;gap:18px}.login-card{padding:24px}.social-page-heading h1{font-size:24px}.community-post-card{padding:22px 18px}.post-card-layout{gap:11px}}@media(max-width:640px){.social-page{padding:21px 16px 40px}.social-page-heading{align-items:flex-start;flex-wrap:wrap;gap:13px;padding-bottom:22px}.social-page-heading h1{font-size:24px}.social-page-heading>.button{padding:9px 10px;font-size:var(--type-body);margin-top:0;white-space:nowrap}.social-page-heading p{font-size:var(--type-body)}.social-eyebrow{font-size:var(--type-small);letter-spacing:.6px}.community-layout,.account-grid{grid-template-columns:minmax(0,1fr)}.community-heading{min-height:auto;padding-bottom:0}.community-sidebar{gap:14px}.community-board-scroll{overflow-x:auto}.community-compose-button{width:auto;align-self:flex-start}.board-list{display:flex;gap:3px;padding:7px;width:max-content;min-width:100%}.board-list .sidebar-label{display:none}.board-list button{width:auto;white-space:nowrap;padding:8px;font-size:var(--type-body)}.board-list button svg{width:13px;height:13px}.community-feed-toolbar{flex-wrap:wrap;gap:12px}.social-tabs{gap:18px}.social-tabs button{font-size:var(--type-body)}.post-card-meta>.community-category{margin-left:0}.community-post-card{padding:19px 15px}.post-card-layout{gap:10px}.post-card-layout>a>.social-avatar{width:29px!important;height:29px!important;font-size:var(--type-body)!important}.post-title{font-size:18px}.post-card-meta{gap:6px}.post-author-name{font-size:var(--type-body)}.post-card-meta time{font-size:var(--type-small)}.community-empty{min-height:250px;padding:36px 20px}.social-panel{border-radius:7px}.community-composer{padding:20px}.social-form input,.social-form select{font-size:var(--type-body)}.form-footer{flex-wrap:wrap;gap:14px}.discussion-post{padding:23px 20px}.discussion-heading h1{font-size:24px}.discussion-author{gap:10px}.discussion-author>.institution-badge{width:100%}.discussion-replies,.reply-composer{padding:23px 20px}.community-reply.nested-reply{margin-left:10px;padding-left:12px}.reply-heading{flex-wrap:wrap;gap:8px}.discussion-actions{gap:7px}.discussion-actions>button{padding:7px 9px;font-size:var(--type-body)}.discussion-actions>span{font-size:var(--type-body)}.delete-confirm{flex-wrap:wrap;bottom:15px}.delete-confirm>span{width:100%}.profile-header-inner{padding:23px 20px;gap:15px;flex-wrap:wrap}.profile-header-inner>.social-avatar{width:74px!important;height:74px!important;font-size:26px!important;margin-top:-55px}.profile-primary{min-width:calc(100% - 94px)}.profile-primary h1{font-size:26px}.profile-edit{margin-left:auto}.profile-stats{margin:0 20px;gap:21px}.profile-stats button{font-size:var(--type-body);gap:6px}.profile-stats b{font-size:20px}.profile-tabs{gap:18px}.profile-tabs button{gap:4px}.profile-tabs button span{font-size:var(--type-small)}.connection-card{padding:19px 17px;gap:12px}.connection-card>div>a{flex-wrap:wrap;gap:4px}.account-aside{display:grid;grid-template-columns:minmax(0,1fr)}.account-page .social-page-heading{flex-direction:column}.account-page .social-page-heading>.button{margin-top:0}.profile-settings{padding:22px}.settings-avatar{gap:17px}.sign-in-nav{padding:5px 7px;font-size:var(--type-body)}}@media(max-width:430px){.profile-tabs{gap:15px}}.practice-notice{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:11px 15px;border-top:1px solid var(--line);background:color-mix(in srgb,var(--accent) 6%,var(--surface));font-size:var(--type-body);line-height:1.7}.practice-notice>span{flex:1;min-width:200px;color:var(--text-secondary);overflow-wrap:anywhere}.practice-notice>a,.practice-notice>button{color:var(--accent);border:1px solid var(--line);border-radius:4px;padding:4px 7px;white-space:nowrap;font-size:var(--type-body)}.editor-status>span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.test-account-badge{display:inline-flex;align-items:center;padding:2px 6px;border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);border-radius:4px;color:var(--accent);font-size:var(--type-small);line-height:1.6;white-space:nowrap;font-weight:400}.profile-facts>.test-account-badge{color:var(--accent);font-size:var(--type-small)}.person-link>.test-account-badge{flex-shrink:0;font-weight:400}.social-page.profile-page{max-width:1360px}.profile-dashboard{display:grid;grid-template-columns:250px minmax(0,1fr);gap:24px;align-items:start}.profile-sidebar{display:grid;gap:20px;min-width:0}.profile-main{display:grid;gap:26px;min-width:0}.profile-sidebar .social-panel{border-radius:12px}.profile-sidebar .profile-header-inner{display:flex;flex-direction:column;padding:25px 22px 21px;gap:15px}.profile-sidebar .profile-header-inner>.social-avatar{margin:0;border:0;width:72px!important;height:72px!important}.profile-sidebar .profile-primary{width:100%}.profile-sidebar .profile-primary h1{font-size:23px;margin:0 0 1px;line-height:1.4}.profile-sidebar .profile-facts{flex-direction:column;align-items:flex-start;gap:9px}.profile-sidebar .profile-bio{font-size:var(--type-body);margin:13px 0 0}.profile-sidebar .profile-edit{width:100%;margin:0;font-size:var(--type-body);justify-content:center}.profile-sidebar .profile-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0 22px;padding:17px 0 20px;gap:15px}.profile-sidebar .profile-stats button{display:flex;flex-direction:column;align-items:flex-start;gap:1px;font-size:var(--type-small)}.profile-sidebar .profile-stats b{font-size:22px;font-weight:550}.profile-sidebar .profile-workspace-settings{display:flex;justify-content:center;min-width:0;min-height:40px;margin:0 18px 18px;padding:4px 0;text-align:center;white-space:normal;overflow-wrap:anywhere}.profile-community-summary{padding:22px}.profile-community-summary h2,.profile-community-content>h2{font-size:var(--type-body);font-weight:550;line-height:1.5;margin:0}.profile-community-summary dl{display:grid;gap:6px;margin:22px 0 0}.profile-community-summary dl>div{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:40px;font-size:var(--type-body)}.profile-community-summary dt{display:flex;align-items:center;gap:9px;color:var(--text-secondary)}.profile-community-summary dt svg{color:var(--green)}.profile-community-summary dl>div:nth-child(2) svg{color:var(--chart-2)}.profile-community-summary dl>div:nth-child(3) svg{color:#df828e}.profile-community-summary dl>div:nth-child(4) svg{color:var(--accent)}.profile-community-summary dd{display:flex;align-items:center;justify-content:center;min-width:56px;margin:0;font-weight:550;font-size:var(--type-body);font-variant-numeric:tabular-nums}.profile-community-summary dd button{display:inline-flex;align-items:center;justify-content:center;min-width:56px;min-height:40px;padding:4px 8px;border-radius:7px;color:var(--text)}.profile-community-summary dd button:hover{color:var(--accent);background:var(--surface2)}.profile-community-summary dd button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media(pointer:coarse){.profile-community-summary dl>div,.profile-community-summary dd button{min-height:44px}}.profile-community-summary>a{display:inline-flex;align-items:center;gap:6px;margin-top:23px;color:var(--text-secondary);font-size:var(--type-small)}.profile-community-summary>a:hover{color:var(--accent)}.profile-community-content{min-width:0;scroll-margin-top:88px}.profile-community-content>h2{margin-bottom:15px}.profile-community-content .profile-tabs{margin:0 0 15px;gap:22px;overflow-x:auto;scrollbar-width:thin}.profile-community-content .profile-tabs button{flex-shrink:0;white-space:nowrap;font-size:var(--type-body);padding:0 0 13px}.profile-community-content .profile-activity{border-radius:12px}@media(max-width:1200px){.profile-community-content{scroll-margin-top:112px}}@media(max-width:1100px)and (min-width:901px){.profile-dashboard{grid-template-columns:215px minmax(0,1fr);gap:20px}.profile-sidebar .profile-header-inner,.profile-community-summary{padding:21px 18px}.profile-sidebar .profile-stats{margin:0 18px}}@media(max-width:900px){.profile-dashboard{grid-template-columns:minmax(0,1fr);gap:24px}.profile-sidebar{grid-template-columns:minmax(0,1.4fr) minmax(230px,1fr);gap:20px;align-items:start}}@media(max-width:600px){.profile-sidebar{grid-template-columns:minmax(0,1fr);gap:16px}.profile-sidebar .profile-header-inner{display:grid;grid-template-columns:64px minmax(0,1fr);gap:16px;padding:22px 20px 17px}.profile-sidebar .profile-header-inner>.social-avatar{width:64px!important;height:64px!important}.profile-sidebar .profile-primary{grid-column:2}.profile-sidebar .profile-primary h1{font-size:22px}.profile-sidebar .profile-facts{gap:6px}.profile-sidebar .profile-edit{grid-column:1 / -1}.profile-sidebar .profile-stats{display:flex;gap:36px;margin:0 20px;padding:14px 0 17px}.profile-sidebar .profile-stats button{flex-direction:row;align-items:center;gap:8px}.profile-community-summary{padding:19px 20px}.profile-community-summary dl{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:25px;gap:17px 25px;margin-top:17px}.profile-community-summary dt{font-size:var(--type-small);gap:6px}.profile-community-summary>a{margin-top:18px}.profile-main{gap:22px}.profile-community-content .profile-tabs{gap:19px}.profile-community-content .profile-tabs button{font-size:var(--type-body)}}.discussion-navigation{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.discussion-navigation .social-back{margin:0}.discussion-navigation .button{min-height:38px;font-size:var(--type-body)}.reply-publication-notice{margin:14px 0;padding:12px;border:1px solid var(--line);border-left:3px solid var(--green);border-radius:6px;font-size:var(--type-body);line-height:1.7}.reply-publication-notice p{margin:0 0 6px}.community-reply:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.community-reply.linked-reply{outline:2px solid var(--accent);outline-offset:-2px;border-radius:6px;background:var(--surface)}.publication-recovery{min-width:0;overflow-wrap:anywhere;margin:14px 0;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:var(--type-body);line-height:1.7}.publication-recovery p{margin:0 0 10px}.publication-recovery details{margin:10px 0}.publication-recovery pre{max-height:200px;max-width:100%;overflow:auto;padding:10px;white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid var(--line);border-radius:6px}.organization-login-buttons{display:grid;gap:12px;margin:24px 0}.login-benefits{display:grid;gap:10px;margin:18px 0;padding:0;list-style:none;color:var(--text-secondary);font-size:var(--type-small)}.login-benefits li{display:flex;gap:8px;align-items:flex-start;line-height:1.6}.login-benefits svg{flex:none;margin-top:3px;color:var(--accent)}.organization-login-button{display:flex;align-items:center;justify-content:flex-start;gap:12px;width:100%;min-height:44px;padding:10px 16px;border:1px solid #747775;border-radius:4px;color:#1f1f1f;background:#fff;font:inherit;cursor:pointer;text-align:left}.organization-login-button svg{flex-shrink:0}.organization-login-button small{margin-left:auto}.organization-login-button:disabled{opacity:.55;cursor:default}.organization-login-button:focus-visible{outline:3px solid var(--accent, #4f7c73);outline-offset:3px}.signin-layout{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1fr);max-width:1000px;margin:20px auto 40px;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow-panel)}.signin-story{display:flex;flex-direction:column;align-items:flex-start;padding:48px 38px;background:radial-gradient(ellipse at 0 0,color-mix(in srgb,var(--accent) 13%,transparent),transparent 70%),var(--surface2)}.signin-eyebrow{color:var(--accent);font-size:var(--type-small);font-weight:600}.signin-story h2{margin:30px 0 18px;font-size:clamp(26px,3vw,36px);font-weight:650;line-height:1.35;letter-spacing:-.035em;white-space:pre-line}.signin-story>p{color:var(--text-secondary);font-size:var(--type-body);line-height:1.8}.signin-story .login-benefits{gap:18px;margin:32px 0}.signin-story-note{margin-top:auto;padding-top:28px;color:var(--muted);font-size:var(--type-meta)}.signin-methods.social-panel{padding:36px;border:0;border-radius:0;box-shadow:none;min-width:0}.signin-methods h1{margin:0 0 10px;font-size:26px}.signin-methods .organization-login-buttons{margin:24px 0 10px;gap:10px}.signin-methods .organization-login-button{min-height:48px;border-radius:9px}.signin-provider-note{margin:0;color:var(--muted);font-size:var(--type-caption);line-height:1.6}.signin-methods .email-login-alternative{margin-top:22px;border:0;padding:0}.email-login-alternative>h2{display:flex;align-items:center;gap:12px;margin:0 0 18px;font-size:var(--type-small);font-weight:500;color:var(--muted)}.email-login-alternative>h2:before,.email-login-alternative>h2:after{content:"";flex:1;height:1px;background:var(--line)}.email-login-alternative>h2>span{flex:none}.email-login-compact .social-form{margin-top:0;gap:12px}.email-login-compact .social-form input{min-height:46px;border-radius:8px}.email-login-compact .social-form>.button{width:100%;min-height:46px;border-radius:8px}.email-login-compact .account-fineprint{margin-top:14px;font-size:var(--type-caption);line-height:1.65}.signin-email-policy{display:block;margin-bottom:5px;color:var(--muted);font-size:var(--type-caption);font-weight:400}.signin-privacy{display:flex;align-items:flex-start;gap:7px;margin-top:22px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:var(--type-caption);line-height:1.6}.signin-privacy svg{flex:none;margin-top:3px}@media(max-width:760px){.signin-layout{grid-template-columns:minmax(0,1fr);max-width:480px;margin-top:12px;border-radius:18px}.signin-methods.social-panel{grid-row:1;padding:28px 24px}.signin-story{padding:24px;border-top:1px solid var(--line)}.signin-story h2{margin:12px 0;font-size:25px;white-space:normal}.signin-story .login-benefits{margin:20px 0 0;gap:12px}.signin-story-note{padding-top:20px}}.waitlist-page{max-width:620px;margin:56px auto;padding:0 20px}.waitlist-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.waitlist-card h1{margin:12px 0 20px}.waitlist-email{overflow-wrap:anywhere;font-weight:600}.waitlist-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.community-sort{display:inline-flex;flex:none;align-items:center;gap:7px;margin-left:auto;color:var(--muted);font-size:var(--type-small)}.community-sort select{min-width:132px;height:44px;max-width:100%;padding:6px 28px 6px 10px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--text);font:inherit;cursor:pointer}.community-sort select:hover{border-color:var(--muted)}.community-sort select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media(max-width:1000px){.community-feed-toolbar{flex-wrap:wrap;gap:12px}.community-feed-controls{flex-basis:100%}}@media(max-width:640px){.community-feed-controls{gap:10px}.community-sort>svg,.community-sort>span{display:none}}@media(pointer:coarse){.community-sort select{height:48px}}.post-card-counts{flex-wrap:wrap}.post-card-counts .post-card-activity{margin-inline-start:auto;font-size:var(--type-meta)}.problem-community{margin-top:28px;border-top:1px solid var(--line);padding-top:24px;min-width:0}.problem-community .community-layout{display:block}.problem-community .community-feed-toolbar{flex-wrap:wrap}.problem-community .community-feed-controls{flex:1 1 100%}.problem-community .community-post-card{padding:20px 0}.problem-community .feed-items{border:0;background:transparent}.problem-community .post-card-layout{gap:12px}.problem-community-heading{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.problem-community-heading h2{margin:0;font-size:var(--type-title)}.problem-community-heading p{margin:8px 0 0;font-size:var(--type-small);line-height:1.7;color:var(--muted)}.problem-community-heading>div:last-child{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.problem-community-heading a{display:inline-flex;align-items:center;gap:5px;min-height:40px;font-size:var(--type-small);color:var(--accent)}.problem-community :is(button,select,input,a):focus-visible{outline:2px solid var(--accent);outline-offset:2px}.problem-community .community-composer{padding:18px;margin:0 0 20px}@media(pointer:coarse){.problem-community-heading :is(button,a){min-height:44px}}.login-security{margin:0 0 1rem;min-width:0}.login-security>div{width:100%;min-height:65px}.login-security p{font-size:.8rem;line-height:1.5}:root{--type-caption: .8125rem;--type-meta: .875rem;--type-small: .9375rem;--type-control: 1rem;--type-body: 1.0625rem;--type-list-title: 1.125rem;--type-lead: 1.1875rem;--type-title: 1.375rem;font-family:var(--font-sans);color:var(--text);background:var(--bg);font-synthesis:none;--bg: #141619;--surface: #1c1f24;--surface2: #23262c;--surface3: #2b2f36;--line: #353a43;--text: #edeef1;--muted: var(--text-secondary);--accent: #e8b465;--primary-bg: #f2ac43;--primary-text: #241b0d;--chart-1: #e9af54;--chart-2: #9baac1;--chart-3: #67c5bc;--chart-4: #d799dc;--chart-5: #e98484;--green: #6fc4a3;--editor: #191c21;--shadow: 0 16px 70px #0005;color-scheme:dark;font-size:100%;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;line-height:1.6;-webkit-font-smoothing:antialiased;--text-secondary: #a1a7b3}*{box-sizing:border-box}body{margin:0;font-size:var(--type-body)}button,input,select{font:inherit}button,a,input,select{outline-offset:4px}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;background:none;color:inherit}a{color:inherit;text-decoration:none}button:disabled{cursor:wait;opacity:.6}button:hover,a:hover{transition:background .15s,color .15s,border-color .15s}button svg,a svg{flex-shrink:0}input,select{min-width:0;color:var(--text)}input::placeholder{color:var(--muted)}svg{vertical-align:middle}h1,h2,h3,h4,p{margin:0}h2{font-size:20px;line-height:1.4}h3{font-size:var(--type-body);line-height:1.5}.topbar{height:68px;border-bottom:1px solid var(--line);background:var(--surface)}.nav-inner{height:100%;padding:0 36px;display:flex;align-items:center;gap:32px;max-width:1600px;margin:auto}.brand{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:700;letter-spacing:-.8px;white-space:nowrap;flex-shrink:0}.brand>span>span{color:var(--text)}.brand-symbol{width:34px;height:34px;flex-shrink:0;overflow:visible}.brand>b{font-family:var(--font-sans);letter-spacing:.5px;font-size:var(--type-caption);background:#e9af5414;border:1px solid #e9af5438;color:var(--accent);border-radius:4px;padding:3px 4px;align-self:flex-start;margin-top:2px;margin-left:2px}.topbar nav{display:flex;height:100%;gap:22px;align-items:center;color:var(--text-secondary)}.topbar nav a,.topbar nav button{height:100%;display:flex;align-items:center;padding:0 1px;position:relative;font-size:var(--type-body);font-weight:500}.topbar nav .active{color:var(--text)}.topbar nav .active:after{content:"";position:absolute;bottom:0;height:2px;left:0;right:0;background:var(--accent)}.nav-actions{display:flex;align-items:center;gap:20px;margin-left:auto}.avatar{border:1px solid #8e745047;border-radius:50%;width:29px;height:29px;display:grid;place-items:center;background:#79644733;color:#d5bc90;font:500 var(--type-body) var(--font-sans)}.icon-button{padding:6px;border-radius:5px;display:inline-flex;align-items:center;justify-content:center;color:var(--muted)}.icon-button:hover{background:var(--surface3);color:var(--text)}.home{max-width:1312px;margin:auto;padding:47px 36px 0}.home-intro{display:flex;align-items:center;justify-content:space-between;margin-bottom:31px}.eyebrow{display:flex;align-items:center;gap:8px;color:var(--accent);font-size:var(--type-small);letter-spacing:1.2px;font-family:var(--font-sans);font-weight:600}.eyebrow>span{width:5px;height:5px;background:var(--accent);border-radius:50%}.home-intro h1{font-size:32px;line-height:1.35;letter-spacing:-.7px;margin-top:12px;font-weight:600}.home-intro h1 span{color:#c7c9cf}.home-intro p{color:var(--muted);margin-top:11px;font-size:var(--type-body);line-height:1.7}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:6px;background:var(--primary-bg);padding:10px 16px;font-weight:600;color:var(--primary-text);line-height:1.4;border:1px solid transparent;min-height:38px;font-size:var(--type-body)}.button:hover{filter:brightness(1.07)}.button.subtle{background:var(--surface2);border:1px solid var(--line);color:#bdbfc6;font-size:var(--type-body);padding:10px 13px}.home-columns{display:grid;grid-template-columns:minmax(0,1fr) 272px;gap:27px}.track-cards{display:grid;grid-template-columns:1fr 1fr;gap:17px}.track-card{text-align:left;border:1px solid #4b433659;background:linear-gradient(110deg,#29251f,#232226);border-radius:10px;overflow:hidden;position:relative;padding:19px 21px 0;min-height:182px}.track-card:after{content:"";position:absolute;width:125px;height:125px;border:1px solid #bd926910;border-radius:24px;right:-40px;top:32px;transform:rotate(25deg);box-shadow:0 0 0 24px #bd926906,0 0 0 49px #bd926905;pointer-events:none}.track-card.diffusion{background:linear-gradient(110deg,#252532,#21232a);border-color:#4143577d}.track-card.diffusion:after{border-color:#9f9cc510;box-shadow:0 0 0 24px #9f9cc506,0 0 0 49px #9f9cc505}.track-card:hover,.track-card.chosen{border-color:#a38351}.track-card.diffusion:hover,.track-card.diffusion.chosen{border-color:#8581a6}.track-top{display:flex;align-items:center;justify-content:space-between}.track-top>span:last-child{display:flex;gap:22px;align-items:center;font:var(--type-small) var(--font-sans);letter-spacing:1.1px;color:var(--text-secondary)}.track-icon{width:36px;height:36px;display:grid;place-items:center;background:#d1a34c13;border:1px solid #e7aa4d19;border-radius:9px;color:#dcb277}.diffusion .track-icon{color:#aaa4db;background:#a697dd14;border-color:#a697dd1c}.diffusion .track-top>span:last-child{color:var(--text-secondary)}.track-card h2{font-size:18px;margin-top:16px;font-weight:600;letter-spacing:-.3px;position:relative;z-index:1}.track-card p{color:var(--text-secondary);margin-top:6px;font-size:var(--type-body)}.diffusion p{color:var(--text-secondary)}.track-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #ffffff09;margin-top:18px;padding:13px 0;font-size:var(--type-small);color:var(--text-secondary)}.track-bottom i{font-style:normal;margin:0 5px;color:var(--text-secondary)}.track-bottom b{font-weight:400;color:var(--text-secondary)}.diffusion .track-bottom{color:var(--text-secondary)}.problem-list{margin-top:30px}.list-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:19px}.list-title h2{font-size:20px;font-weight:600;display:flex;align-items:center;gap:8px}.list-title h2 span{font-size:var(--type-body);background:var(--surface3);color:var(--muted);padding:2px 7px;border-radius:5px;font-family:var(--font-sans)}.list-title>span{color:var(--text-secondary);font-size:var(--type-body)}.filter-bar{display:flex;gap:8px;margin-bottom:12px}.track-tabs{display:flex;gap:3px;margin-right:auto}.track-tabs button{padding:7px 12px;border-radius:5px;color:var(--text-secondary);font-size:var(--type-body)}.track-tabs .selected{background:var(--surface3);color:var(--text);font-weight:500}.select-wrap{display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:5px;padding:0 9px;color:var(--text-secondary);background:#202125}.select-wrap select{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;color:inherit;outline:none;font-size:var(--type-body);padding:8px 4px;cursor:pointer}.select-wrap select option{background:var(--surface)}.search{display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;background:#202125;border:1px solid var(--line);border-radius:6px;color:var(--text-secondary)}.search input{width:100%;border:none;background:transparent;font-size:var(--type-body);outline:none}.search:focus-within{border-color:#8b714a}.search kbd{border:1px solid #414249;border-radius:3px;font-size:var(--type-body);padding:0 5px;color:var(--text-secondary)}.table-head,.problem-row{display:grid;grid-template-columns:41px minmax(0,1fr) 77px 80px 14px;align-items:center;padding:0 14px;gap:8px}.table-head{color:var(--text-secondary);font-size:var(--type-body);height:41px;border-bottom:1px solid #ffffff05}.table-head>span:first-child{font-size:var(--type-small)}.problem-row{min-height:71px;border-bottom:1px solid #292a2f}.problem-row:nth-child(2n){background:#ffffff015}.problem-row:hover{background:#26272c}.row-state{color:var(--text-secondary);display:flex;align-items:center;padding-left:3px}.row-state.done{color:var(--green)}.in-progress-dot{height:15px;width:15px;border:2px solid var(--accent);border-top-color:#514332;border-radius:50%}.problem-info{min-width:0}.problem-info strong{display:flex;align-items:center;gap:9px;font-size:var(--type-body);font-weight:500;line-height:1.6}.problem-info strong>span{color:var(--text-secondary);font-size:var(--type-body);font-family:var(--font-sans);flex-shrink:0}.problem-info strong em{font-style:normal;color:var(--text-secondary);background:#ffffff07;border:1px solid #ffffff0a;font-size:var(--type-small);padding:0 5px;border-radius:4px;white-space:nowrap}.problem-info small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-secondary);font-size:var(--type-body);margin-top:5px;line-height:1.5}.problem-info small i{font-style:normal;margin:0 5px;color:#4c4e57}.difficulty{font-size:var(--type-body);color:var(--accent)}.difficulty.E{color:var(--green)}.difficulty.H{color:var(--chart-5)}.duration{font:var(--type-body) var(--font-sans);color:var(--text-secondary)}.problem-row>svg{color:var(--text-secondary)}.table-footer{display:flex;justify-content:space-between;font-size:var(--type-small);color:var(--text-secondary);padding:17px 6px}.home-sidebar{display:flex;flex-direction:column;gap:20px}.progress-card,.method-card{background:#202125;border:1px solid #2c2d33;border-radius:10px;padding:19px}.aside-title{display:flex;align-items:center;justify-content:space-between}.aside-title h3{font-size:var(--type-body);font-weight:600}.aside-title>span{font-size:var(--type-small);color:var(--text-secondary)}.aside-title>svg{color:var(--text-secondary)}.progress-circle{width:142px;height:142px;padding:6px;border-radius:50%;margin:24px auto 23px;transform:rotate(-90deg)}.progress-circle>div{width:100%;height:100%;border-radius:50%;background:#202125;display:flex;align-items:center;justify-content:center;flex-direction:column;transform:rotate(90deg)}.progress-circle b{font-size:34px;line-height:1.1;font-weight:500;letter-spacing:-1px}.progress-circle b>span{font-size:var(--type-body);color:var(--text-secondary);font-weight:400}.progress-circle small{font-size:var(--type-meta);letter-spacing:.3px;color:var(--text-secondary);margin-top:10px}.progress-stats{display:flex;justify-content:space-between;margin-top:10px;border-bottom:1px solid var(--line);padding-bottom:18px}.progress-stats>div{display:grid;grid-template-columns:5px auto;align-items:center;gap:7px;font-size:var(--type-body)}.progress-stats b{font:var(--type-body) var(--font-sans);font-weight:400}.progress-stats span{grid-column:2;color:var(--text-secondary);font-size:var(--type-small)}.progress-stats i,.green-dot,.yellow-dot{display:inline-block;width:5px;height:5px;background:#696e7a;border-radius:50%;flex-shrink:0}.green-dot{background:var(--green)!important}.yellow-dot{background:var(--accent)!important}.path-progress{margin-top:19px;display:flex;flex-direction:column;gap:15px}.path-progress>div>span{display:flex;justify-content:space-between;font-size:var(--type-body);color:var(--text-secondary);margin-bottom:8px}.path-progress b{font-size:var(--type-small);font-weight:400;color:var(--text-secondary);font-family:var(--font-sans)}.mini-progress{height:4px;background:#303239;border-radius:3px;overflow:hidden}.mini-progress i{display:block;height:100%;background:var(--accent);border-radius:3px}.method-card>p{font-size:var(--type-body);color:var(--text-secondary);margin-top:8px;margin-bottom:21px}.method-step{display:flex;gap:12px;margin-top:19px}.method-step>b{font:var(--type-body) var(--font-sans);color:var(--text-secondary);border:1px solid #3a3d46;border-radius:5px;display:grid;place-items:center;width:28px;height:27px;background:#ffffff02;flex-shrink:0}.method-step strong{display:block;font-weight:500;font-size:var(--type-body)}.method-step span{display:block;font-size:var(--type-body);margin-top:5px;color:var(--text-secondary);line-height:1.6}.text-button{display:inline-flex;align-items:center;gap:6px;font-size:var(--type-body);color:var(--muted);padding:4px 0}.text-button:hover{color:var(--accent)}.method-card>.text-button{border-top:1px solid var(--line);width:100%;margin-top:22px;padding-top:15px;justify-content:space-between;color:var(--text-secondary)}.start-card{padding:2px 8px 0}.tiny-label{font:var(--type-small) var(--font-sans);color:var(--text-secondary);letter-spacing:1.2px}.start-card h3{font-size:var(--type-body);margin-top:13px;font-weight:500}.start-card p{font-size:var(--type-body);color:var(--text-secondary);line-height:1.9;margin-top:8px}.start-card a{display:flex;align-items:center;gap:8px;color:#d3b482;font-size:var(--type-body);margin-top:15px}.home-footer{display:flex;justify-content:space-between;border-top:1px solid #292b31;padding:22px 0;margin-top:33px;font-size:var(--type-small);color:var(--text-secondary)}.home-footer i{font-style:normal;margin:0 10px}.no-results{padding:60px;display:flex;align-items:center;flex-direction:column;gap:13px;color:var(--muted)}.loading,.load-error{padding:120px 30px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:20px}.load-error p{color:var(--muted)}.workspace-view{height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}.workspace-view .topbar{flex-shrink:0}.workspace-toolbar{display:flex;align-items:center;gap:12px;padding:0 20px;color:var(--muted);font-size:var(--type-body);flex-shrink:0;min-height:44px}.back-link{display:flex;align-items:center;gap:7px;color:var(--muted)}.toolbar-divider{height:15px;width:1px;background:var(--line);margin:0 4px}.workspace-toolbar>b{font-weight:400;color:var(--text)}.problem-navigation{display:flex;gap:10px;align-items:center;margin-left:auto}.problem-navigation>span{font-family:var(--font-sans);font-size:var(--type-small)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);flex:1;gap:8px;min-height:0;padding:0 9px 9px}.description-pane,.editor-pane{border:1px solid #32343b;border-radius:8px;overflow:hidden;background:var(--surface);min-width:0;min-height:0;display:flex;flex-direction:column}.reading-tab-strip{display:flex;flex-shrink:0;min-width:0;background:var(--surface2);border-bottom:1px solid var(--line)}.reading-tab-scroll{flex:1;min-width:0;overflow-x:auto;scrollbar-width:thin;scroll-behavior:auto}.reading-tab-scroll>.pane-tabs{width:max-content;min-width:100%;overflow:visible;border-bottom:0}.pane-tabs{display:flex;gap:0;border-bottom:1px solid var(--line);padding:0 9px;background:var(--surface2);flex-shrink:0;min-height:44px;overflow-x:auto;scrollbar-width:thin}.pane-tabs>button{padding:0 12px;display:flex;gap:6px;align-items:center;position:relative;font-size:var(--type-body);color:var(--text-secondary);white-space:nowrap;font-weight:500;flex-shrink:0}.pane-tabs>button.selected{color:var(--text)}.pane-tabs>button.selected:after{content:"";position:absolute;bottom:0;left:10px;right:10px;height:2px;background:var(--accent)}.pane-tabs button>svg{color:var(--accent)}.description-scroll{overflow:auto;padding:28px;flex:1;scrollbar-width:thin;scrollbar-color:var(--line) transparent}.heading-kicker{display:flex;align-items:center;gap:8px;color:var(--accent);font:var(--type-small) var(--font-sans);letter-spacing:1px}.heading-kicker svg{width:17px}.heading-kicker .accepted{margin-left:auto;color:var(--green);display:flex;gap:5px;align-items:center;font-size:var(--type-body);letter-spacing:0}.problem-heading h1{font-size:24px;font-weight:600;letter-spacing:-.35px;line-height:1.4;margin-top:8px}.heading-tags{display:flex;gap:9px;align-items:center;margin:10px 0 18px;font-size:var(--type-small);color:var(--text-secondary);flex-wrap:wrap}.heading-tags>span{padding:4px 8px;border-radius:4px;background:#ffffff06}.heading-tags>.difficulty{background:#e7aa4d0d}.heading-tags>.E{background:#58bd9b0d}.paper-card{display:flex;gap:12px;align-items:flex-start;background:#26272c;border:1px solid #36383f;border-radius:7px;padding:12px 14px;margin:0 0 18px}.paper-card>svg{color:var(--text-secondary);margin-top:2px;flex-shrink:0}.paper-card>svg:last-child{width:13px;margin-left:auto;color:var(--muted)}.paper-card>div{min-width:0}.paper-card small{font:var(--type-small) var(--font-sans);letter-spacing:.6px;color:var(--text-secondary);display:flex;gap:4px 12px;flex-wrap:wrap}.paper-card small span{color:var(--text-secondary);letter-spacing:0}.paper-card strong{font-weight:500;font-size:var(--type-body);line-height:1.5;display:block;margin-top:4px}.paper-card p{font-size:var(--type-body);color:var(--text-secondary);line-height:1.6;margin-top:3px}.paper-card:hover{border-color:#80704d}.prose{color:#d4d4d8;font-size:var(--type-body);line-height:1.75;overflow-wrap:anywhere}.prose h1{font-size:24px;line-height:1.5;color:var(--text);margin:28px 0 17px;font-weight:600}.prose h2{font-size:19px;color:var(--text);font-weight:600;margin:28px 0 14px}.prose h3{font-size:var(--type-body);color:var(--text);margin:22px 0 9px;font-weight:600}.prose p{margin:14px 0}.prose ul,.prose ol{padding-left:22px;margin:12px 0}.prose li{padding-left:3px;margin:5px 0}.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.prose strong{color:var(--text);font-weight:600}.prose code:not(pre code){font-family:var(--font-mono);font-size:var(--type-body);background:var(--surface3);padding:2px 5px;border-radius:3px;color:var(--text)}.prose table{border-collapse:collapse;font-size:var(--type-body);width:100%;margin:16px 0;display:block;overflow:auto;line-height:1.65}.prose td,.prose th{text-align:left;border:1px solid var(--line);padding:8px 10px;white-space:normal;min-width:70px}.prose th{background:var(--surface2);font-weight:500;color:var(--text)}.prose blockquote{border-left:2px solid var(--accent);margin:18px 0;padding:1px 14px;background:#e7aa4d04;color:var(--text-secondary)}.prose .katex-display{overflow-x:auto;overflow-y:hidden;padding:12px 2px;font-size:.95em}.highlight{overflow:hidden;border:1px solid var(--line);border-radius:6px;margin:16px 0}.highlight pre{margin:0;padding:17px 14px!important;font-size:var(--type-body);line-height:1.7;overflow:auto;background:var(--surface2)}.highlight code{font-family:var(--font-mono)}.lab-callout{width:100%;display:flex;align-items:center;text-align:left;gap:13px;background:#e7aa4d06;border:1px solid #e7aa4d26;border-radius:7px;padding:17px;margin:26px 0;color:var(--accent)}.lab-callout b{display:block;font-size:var(--type-body);font-weight:500}.lab-callout small{display:block;color:var(--text-secondary);font-size:var(--type-body);margin-top:5px}.lab-callout>svg:last-child{margin-left:auto}.editor-tabs{padding-right:14px}.editor-language{margin-left:auto;align-self:center;font:var(--type-small) var(--font-sans);color:var(--text-secondary);font-size:var(--type-small)}.editor-tools{display:flex;align-items:center;justify-content:space-between;padding:0 12px;border-bottom:1px solid #ffffff04;background:var(--editor);flex-shrink:0;min-height:40px;gap:8px}.editor-tools>span{display:flex;align-items:center;gap:7px;font:var(--type-body) var(--font-sans);color:var(--text-secondary)}.editor-tools>div{display:flex;gap:4px;align-items:center}.editor-tools .icon-button{padding:5px}.editor-font-size{display:flex;align-items:center;gap:6px;padding:2px 4px;color:var(--text-secondary);font-size:var(--type-body)}.editor-font-size-select{border:1px solid var(--line);border-radius:5px;padding:3px 5px;background:var(--editor);color:var(--text);font-size:var(--type-body);cursor:pointer}.editor-font-size-select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.code-editor{flex:1;min-height:160px;overflow:auto;background:var(--editor)}.code-editor>.cm-theme,.code-editor .cm-editor{height:100%}.code-editor .cm-scroller{font-family:var(--font-mono)!important;font-size:inherit!important;line-height:1.65;overflow:auto}.code-editor .cm-editor{background:var(--editor)!important}.code-editor .cm-gutters{background:var(--editor)!important;color:var(--text-secondary);border:none;padding-right:7px;min-width:44px}.code-editor .cm-activeLineGutter,.code-editor .cm-activeLine{background:color-mix(in srgb,var(--accent) 4%,transparent)}.code-editor .cm-content{padding-top:13px}.code-editor .cm-line{padding-left:6px}.editor-status{display:flex;justify-content:space-between;padding:6px 13px;align-items:center;background:var(--editor);font-size:var(--type-small);color:var(--text-secondary);flex-shrink:0;border-bottom:1px solid var(--line);min-height:32px;gap:8px;flex-wrap:wrap;line-height:1.5}.editor-status>span:first-child{display:flex;gap:5px;align-items:center}.editor-status i{font-style:normal;margin:0 7px}.console{padding:0 14px 15px;flex-shrink:0;background:#202125}.console-header{height:40px;display:flex;align-items:center;justify-content:space-between}.console-header>span{display:flex;align-items:center;gap:7px;font-size:var(--type-body);color:#b5bac4;font-weight:500}.console p{font-size:var(--type-body);color:var(--text-secondary);line-height:1.8;margin:1px 0 11px}.command{display:flex;gap:9px;align-items:center;border:1px solid #34363d;background:var(--editor);border-radius:5px;padding:5px 9px;font-size:var(--type-body);color:#bac0cc}.command>span{color:var(--accent)}.command code{font-family:var(--font-mono);font-size:var(--type-body);overflow:auto;white-space:nowrap}.command .icon-button{margin-left:auto}.editor-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:11px 14px;background:var(--surface2);flex-shrink:0}.editor-run-actions{display:flex;gap:8px;flex-wrap:wrap}.editor-bottom>span{display:flex;gap:7px;align-items:center;font-size:var(--type-small);color:var(--text-secondary)}.run-button{font-size:var(--type-body);padding:9px 16px}.editor-lab{overflow:auto;padding:22px;scrollbar-width:thin}.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;padding:72px 10px;gap:17px}.empty-icon{width:63px;height:63px;border-radius:16px;background:#e7aa4d0a;border:1px solid #e7aa4d19;display:grid;place-items:center;color:var(--accent)}.empty-state h3{font-weight:500;margin-top:5px;font-size:17px}.empty-state p{font-size:var(--type-body);line-height:1.9;color:var(--muted)}.empty-state code{font-size:var(--type-small);color:var(--text-secondary);margin-top:2px}.empty-state .button{font-size:var(--type-body);margin-top:7px}.solution-panel h2{margin-bottom:12px}.reference-solution>p{color:var(--muted);font-size:var(--type-body);line-height:1.9;margin-bottom:22px}.reference-solution summary{display:flex;align-items:center;gap:7px;cursor:pointer;color:var(--accent);padding:16px;border:1px solid var(--line);border-radius:5px}.report-view{font-size:var(--type-body)}.result-head{display:flex;align-items:center;justify-content:space-between;padding:4px 0 14px;gap:10px}.result-head>div{display:flex;gap:10px;align-items:center}.result-head h3{font-size:19px;font-weight:500}.result-head.success{color:var(--green)}.result-head.failure{color:#ed8b80}.result-head>span{font:var(--type-small) var(--font-sans)}.report-source-notice{margin:10px 0 16px;padding:9px 12px;border-left:3px solid var(--text-secondary);background:var(--surface2);color:var(--text-secondary);font-size:var(--type-small);line-height:1.6;overflow-wrap:anywhere}.report-source-notice.changed,.report-source-notice.unknown{border-left-color:var(--accent);color:var(--text)}.report-source-notice.current{border-left-color:var(--green)}.report-meta{display:flex;justify-content:space-between;gap:15px;font-size:var(--type-small);color:var(--text-secondary);padding-bottom:20px;overflow-wrap:anywhere}.test-layers{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:23px}.test-layers>div{background:var(--surface2);border:1px solid var(--line);padding:12px 10px;border-radius:6px}.test-layers>div>div:first-child{display:flex;justify-content:space-between;font:var(--type-body) var(--font-sans)}.test-layers b{font-weight:400;color:var(--accent)}.test-layers span{color:var(--text-secondary);font-size:var(--type-small)}.test-layers small{font-size:var(--type-small);color:var(--text-secondary);display:block;margin:8px 0 12px}.test-detail{margin:8px 0;border:1px solid var(--line);border-radius:6px;overflow:hidden}.test-detail>summary{display:flex;align-items:center;gap:8px;cursor:pointer;padding:13px 10px;font-size:var(--type-body);background:#ffffff02;list-style:none}.test-detail>summary>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--font-sans);font-size:var(--type-small)}.test-detail summary>b{margin-left:auto;font-size:var(--type-small);font-weight:400;color:var(--text-secondary)}.test-detail summary>small{color:var(--text-secondary);font-size:var(--type-small)}.test-detail.passed summary>svg{color:var(--green)}.test-detail.failed{border-color:#c8777133}.test-detail.failed summary>svg{color:#ed8b80}.test-body{padding:15px;border-top:1px solid var(--line)}.test-why{color:var(--text-secondary);line-height:1.9;font-size:var(--type-body)}.test-why b{display:block;font-weight:400;font-size:var(--type-small);color:var(--text-secondary);margin-bottom:5px}.test-comparison{margin:12px 0;padding:14px;border:1px solid var(--line);border-radius:6px;background:var(--surface2);overflow-wrap:anywhere}.test-comparison h4{margin:0 0 8px;font-size:var(--type-body);font-weight:500}.comparison-index{display:block;margin-bottom:12px;color:var(--accent)}.comparison-values,.comparison-tolerances{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:12px 0}.test-comparison dt{font-size:var(--type-small);color:var(--text-secondary);margin-bottom:5px}.test-comparison dd{margin:0;font:var(--type-body)/1.6 var(--font-mono);overflow-wrap:anywhere}.test-comparison p{margin:8px 0 0;font-size:var(--type-small);color:var(--text-secondary);line-height:1.8}.failure-trace>summary{cursor:pointer;font-size:var(--type-small);color:var(--text-secondary);padding:8px 0}.failure-message{background:#af58450a;color:#e3a09a;padding:12px;font-size:var(--type-body);white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;max-height:320px;overflow:auto}.mutation>div{display:flex;flex-direction:column;gap:6px;border-bottom:1px solid var(--line);padding:12px 0;font-size:var(--type-body)}.mutation b{font-weight:500}.mutation span{color:var(--muted);line-height:1.7}.report-view>.text-button{margin-top:16px}.lab-heading{display:flex;align-items:center;gap:7px;font-size:var(--type-body);color:var(--text);margin-bottom:20px}.lab-heading>span:last-child{margin-left:auto;color:var(--text-secondary);font-size:var(--type-small)}.live-dot{display:block;width:5px;height:5px;background:var(--accent);border-radius:50%}.viz-panel{background:#1b1d22;border:1px solid #333740;border-radius:8px;padding:21px 18px;margin-bottom:24px}.viz-label{font:var(--type-small) var(--font-sans);letter-spacing:1.7px;color:var(--accent);margin-bottom:12px}.viz-panel h3{font-size:var(--type-body);font-weight:500;color:#d9dde5;line-height:1.5}.viz-caption{font-size:var(--type-body);line-height:1.9;color:var(--text-secondary);margin-top:9px;margin-bottom:22px}.controls{display:grid;grid-template-columns:1fr 1fr;gap:24px}.slider{display:block;min-width:0}.slider>span{font-size:var(--type-small);color:var(--text-secondary);display:flex;justify-content:space-between;margin-bottom:10px;gap:8px}.slider b{font:var(--type-small) var(--font-sans);font-weight:400;color:var(--accent)}.slider input{width:100%;height:3px;accent-color:var(--accent);cursor:pointer;margin:7px 0 20px}.chart{margin:13px 0 20px}.chart svg{width:100%;max-height:320px;overflow:visible}.chart text{fill:var(--text-secondary);font:var(--type-small) var(--font-sans)}.gridline{stroke:#3b414d;stroke-width:.7}.legend{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;font-size:var(--type-small);color:var(--text-secondary);margin-top:6px}.legend>span{display:flex;align-items:center;gap:5px}.legend i{width:7px;height:3px;border-radius:2px}.formula{border:1px solid #e7aa4d16;background:#e7aa4d06;border-radius:5px;color:#c7b389;font-size:var(--type-body);font-family:var(--font-mono);line-height:2;padding:12px;margin-top:17px;overflow:auto;white-space:nowrap}.check{display:flex;align-items:center;gap:7px;color:var(--text-secondary);font-size:var(--type-small);line-height:1.7}.check input{accent-color:var(--accent);width:12px;height:12px}.viz-panel h4{font-size:var(--type-body);font-weight:500;margin:24px 0 8px;color:var(--text);display:flex;align-items:center;justify-content:space-between}.small-badge{font:var(--type-small) var(--font-sans);font-weight:400;background:var(--surface3);padding:5px;color:var(--text-secondary);border-radius:3px}.metric-strip{display:flex;justify-content:space-between;padding:13px;border:1px solid var(--line);border-radius:5px;margin-bottom:20px;gap:10px;font-size:var(--type-small);color:var(--text-secondary)}.metric-strip b{color:var(--accent);font:var(--type-body) var(--font-sans);margin-left:7px}.token-grid{display:flex;gap:4px;margin:3px 0 10px}.token-grid>div{flex:1;background:#272b32;border:1px solid #3c4350;border-radius:4px;text-align:center;color:var(--text-secondary)}.token-grid>div.active{background:#9d7a3e20;border-color:#ac884442;color:var(--accent)}.token-grid small{display:block;font-size:var(--type-small);padding:6px 0;border-bottom:1px solid #ffffff08}.token-grid b{display:block;font:var(--type-body) var(--font-sans);padding:9px 0}.viz-footnote{font-size:var(--type-small);line-height:1.8;color:var(--text-secondary)}.bars{display:flex;height:166px;gap:20px;padding:13px 20px 0;margin:12px 0 20px}.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;font-size:var(--type-small);color:var(--text-secondary)}.bar-col b{font:var(--type-body) var(--font-sans);color:var(--accent);margin-bottom:5px}.bar-track{height:105px;display:flex;align-items:flex-end;width:100%;max-width:43px;background:#ffffff015;border-bottom:1px solid #495365}.bar-value{width:100%;border-radius:3px 3px 0 0;min-height:1px;transition:height .1s}.bar-col small{margin-top:8px;font-size:var(--type-small)}.weight-row{font-size:var(--type-small);margin:15px 0}.weight-row>small{color:var(--text-secondary);font-size:var(--type-small)}.weight-row>div{display:flex;gap:3px;margin-top:7px}.weight-row span{flex:1;text-align:center;border:1px solid #ffffff07;border-radius:3px;padding:8px 0;font:var(--type-small) var(--font-sans);color:var(--text)}.segmented{display:flex;gap:4px;background:#14171c;border:1px solid var(--line);border-radius:5px;margin-bottom:20px;width:fit-content;padding:3px}.segmented button{padding:7px 13px;font-size:var(--type-small);color:var(--text-secondary);border-radius:3px}.segmented button.selected{background:#36322a;color:var(--accent)}.geometry{width:100%;margin:10px 0}.geometry .axis{stroke:#566074;fill:none}.geometry text{font:var(--type-body) var(--font-sans);fill:#aab4c6}.playbar{display:flex;align-items:center;gap:15px}.playbar>.slider{flex:1}.playbar>.slider input{margin-bottom:6px}.playbar .icon-button{color:var(--accent);border:1px solid var(--line)}.notice{font-size:var(--type-body);line-height:1.8;color:var(--text-secondary);background:#e7aa4d08;border:1px solid #e7aa4d18;border-radius:5px;padding:12px;margin:14px 0}.notice code{font-size:var(--type-small);overflow-wrap:anywhere}.precomputed>summary{font-size:var(--type-body);color:var(--text-secondary);cursor:pointer;padding:14px 0;border-top:1px solid var(--line)}.artifact-list>section{margin:15px 0}.artifact-list h4{color:var(--text);font:600 var(--type-body)/1.5 var(--font-sans);margin:15px 0}.artifact-number{display:flex;justify-content:space-between;gap:12px;padding:8px 0;font-size:var(--type-body);color:var(--text-secondary);border-bottom:1px solid #ffffff06}.artifact-number b{font:var(--type-body) var(--font-sans);color:var(--accent)}.artifact-list details{margin:10px 0}.artifact-list summary{cursor:pointer;color:var(--text-secondary);font-size:var(--type-body)}.artifact-list pre{font-size:var(--type-small);white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7;color:var(--text-secondary);max-height:240px;overflow:auto}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%);background:#34332c;border:1px solid #7a67435c;border-radius:8px;box-shadow:var(--shadow);padding:11px 14px;color:#ded4c0;display:flex;gap:9px;align-items:center;max-width:90vw;font-size:var(--type-body);z-index:200}.toast>svg{color:var(--accent);flex-shrink:0}.toast .icon-button{margin-left:9px}.spinner{width:13px;height:13px;border:2px solid #ffffff20;border-top-color:var(--accent);border-radius:100%;display:inline-block;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}[data-theme=light]{--bg: #f6f7f9;--surface: #fff;--surface2: #f3f5f7;--surface3: #e9edf1;--line: #e2e5e9;--text: #24272d;--muted: var(--text-secondary);--accent: #945c00;--green: #116d4c;--chart-1: #945c00;--chart-2: #596b88;--chart-3: #147d74;--chart-4: #9753a0;--chart-5: #b73541;--editor: #fcfcfd;color:var(--text);background:var(--bg);color-scheme:light;--text-secondary: #62666f}[data-theme=light] .topbar,[data-theme=light] .progress-card,[data-theme=light] .method-card,[data-theme=light] .progress-circle>div,[data-theme=light] .console,[data-theme=light] .select-wrap,[data-theme=light] .search{background:#fff}[data-theme=light] .track-card{background:linear-gradient(100deg,#faf5ec,#f8f7f4);border-color:#e9dfcc}[data-theme=light] .track-card.diffusion{background:linear-gradient(100deg,#f0eff9,#f5f6fb);border-color:#dddaeb}[data-theme=light] .track-card p,[data-theme=light] .track-bottom,[data-theme=light] .track-bottom b,[data-theme=light] .home-intro h1 span{color:var(--text-secondary)}[data-theme=light] .problem-row{border-bottom-color:#e9ebef}[data-theme=light] .problem-row:hover{background:#eeeff2}[data-theme=light] .paper-card{background:#f7f8fa;border-color:#e0e3e9}[data-theme=light] .prose{color:#30343b}[data-theme=light] .prose strong{color:#303947}[data-theme=light] .description-pane,[data-theme=light] .editor-pane{border-color:#dfe3e9}[data-theme=light] .heading-tags>span{background:#f1f3f6}[data-theme=light] .progress-card,[data-theme=light] .method-card{border-color:#e3e6ec}[data-theme=light] .viz-panel{background:#f8fafc;border-color:#dfe4ec}[data-theme=light] .viz-panel h3{color:#313d4e}[data-theme=light] .gridline{stroke:#cdd5e0}[data-theme=light] .formula{color:var(--accent)}[data-theme=light] .check{color:var(--text-secondary)}[data-theme=light] .geometry text{fill:var(--text-secondary)}[data-theme=light] .token-grid>div{background:#eef1f5;border-color:#d8e0e9}[data-theme=light] .segmented{background:#fff}[data-theme=light] .segmented button.selected{background:#f3e8d5}[data-theme=light] .console-header>span{color:var(--text-secondary)}[data-theme=light] .command{border-color:#e0e3e9;color:var(--text-secondary)}[data-theme=light] .problem-row:nth-child(2n){background:#00000001}[data-theme=light] .home-footer{border-top-color:#e2e5eb}[data-theme=light] .toast{background:#fffcf5;color:var(--text-secondary)}@media(min-width:1600px){.home{padding-top:62px}.home-columns{gap:32px;grid-template-columns:minmax(0,1fr) 280px}.track-card{min-height:192px}.problem-row{min-height:76px}.workspace{grid-template-columns:minmax(0,1fr) minmax(0,1.02fr)}.description-scroll{padding:28px}.problem-info strong{font-size:var(--type-body)}}@media(max-width:1100px){.home{padding:32px 24px 0}.home-columns{grid-template-columns:minmax(0,1fr) 230px;gap:19px}.track-card{padding:16px 16px 0}.track-card h2{font-size:var(--type-body)}.track-top>span:last-child{font-size:var(--type-small);gap:8px}.track-bottom{font-size:var(--type-small)}.track-bottom i{margin:0 2px}.nav-inner{padding:0 24px;gap:32px}.description-scroll{padding:28px}.pane-tabs>button{padding:0 12px;font-size:var(--type-body);font-weight:500;flex-shrink:0}.controls{gap:17px}.table-head,.problem-row{grid-template-columns:30px minmax(0,1fr) 55px 50px 10px;gap:7px;padding:0 10px}.duration,.difficulty{font-size:var(--type-small)}.list-title>span{font-size:var(--type-small)}.track-tabs button{padding:7px 9px}.home-intro h1{font-size:32px;line-height:1.35;letter-spacing:-.7px}}@media(max-width:850px){.home-sidebar{display:none}.home-columns{display:block}.home{max-width:760px}.nav-actions{gap:10px}.topbar nav{gap:22px}.nav-inner{gap:32px}.workspace{grid-template-columns:1fr}.workspace-view{height:auto;overflow:auto}.description-pane{min-height:500px;max-height:80vh}.editor-pane{height:680px}.workspace{display:flex;flex-direction:column}.workspace-toolbar{min-height:44px;font-size:var(--type-body)}.editor-language{font-size:var(--type-small)}.description-scroll{padding:28px}.pane-tabs>button{padding:0 12px;font-size:var(--type-body);font-weight:500;flex-shrink:0}.editor-lab{min-height:500px}.editor-pane .code-editor{min-height:230px}.home-footer{margin-top:24px}.viz-panel{max-width:650px;margin-left:auto;margin-right:auto}}@media(max-width:520px){.topbar{height:57px}.nav-inner,.workspace-view .nav-inner{padding:0 16px;gap:21px}.brand{font-size:22px;gap:7px;letter-spacing:-.6px}.brand>b{display:none;font-size:var(--type-caption);letter-spacing:.5px}.brand-symbol{width:30px;height:30px}.topbar nav{gap:22px}.topbar nav a,.topbar nav button{font-size:var(--type-body)}.nav-actions{gap:5px}.avatar{display:none}.home{padding:30px 16px 0}.home-intro{margin-bottom:24px;align-items:flex-start}.home-intro h1{font-size:32px;margin-top:13px;line-height:1.35;letter-spacing:-.7px}.home-intro p{font-size:var(--type-body);line-height:1.7;max-width:265px}.eyebrow{font-size:var(--type-small);letter-spacing:1.2px;font-weight:600}.home-intro>.button{font-size:0;padding:8px;margin-top:28px;gap:0}.track-cards{gap:10px}.track-card{min-height:166px;padding:13px 12px 0}.track-top>span:last-child{font-size:0}.track-icon{width:30px;height:30px}.track-icon svg{width:18px}.track-card h2{font-size:var(--type-body);line-height:1.45;min-height:40px;margin-top:13px}.track-card p{font-size:var(--type-small);line-height:1.7}.track-bottom{margin-top:13px;padding:10px 0}.track-bottom>span{font-size:0}.track-bottom>span i{display:none}.track-bottom>b{font-size:var(--type-small)}.track-bottom>span:after{content:"EXPLORE PATH";font:var(--type-small) var(--font-sans)}.list-title>span{display:none}.problem-list{margin-top:27px}.filter-bar{gap:6px}.track-tabs{gap:0}.track-tabs button{font-size:var(--type-body);padding:7px 10px}.select-wrap{padding:0 5px;gap:3px}.select-wrap>svg:first-child{display:none}.select-wrap select{font-size:var(--type-body);padding:8px 4px}.table-head,.problem-row{grid-template-columns:21px minmax(0,1fr) 48px 8px;gap:7px;padding:0 4px}.table-head>span:nth-child(4),.duration{display:none}.problem-info strong{font-size:var(--type-body);gap:6px;line-height:1.5}.problem-info strong>span{font-size:var(--type-small)}.problem-info small{font-size:var(--type-body);line-height:1.5}.problem-info strong em{display:none}.row-state svg{width:15px}.problem-row{min-height:72px}.table-footer{font-size:var(--type-small);padding:16px 2px}.table-footer>span:last-child{font-size:var(--type-small)}.home-footer{font-size:var(--type-small);padding:20px 0}.home-footer>span:last-child{display:none}.workspace-toolbar{padding:0 14px;gap:8px;font-size:var(--type-body);min-height:44px}.toolbar-divider{margin:0}.problem-navigation{gap:1px}.problem-navigation>span{font-size:var(--type-small)}.workspace{padding:0 5px 5px;gap:8px}.pane-tabs{padding:0 5px;min-height:44px;overflow-x:auto;scrollbar-width:thin}.pane-tabs>button{font-size:var(--type-body);padding:0 12px;gap:5px;font-weight:500;flex-shrink:0}.description-scroll{padding:28px}.problem-heading h1{font-size:24px;line-height:1.4;letter-spacing:-.35px;margin-top:8px}.paper-card{padding:12px 14px;gap:9px;margin:0 0 18px}.paper-card small{font-size:var(--type-small);gap:4px 12px;flex-wrap:wrap;letter-spacing:.6px}.paper-card strong{font-size:var(--type-body);line-height:1.5;margin-top:4px}.paper-card p{font-size:var(--type-body);margin-top:3px}.paper-card>svg:first-child{width:15px}.prose{font-size:var(--type-body);line-height:1.75;color:#d4d4d8}.prose h2{font-size:19px;font-weight:600;margin:28px 0 14px}.prose table{font-size:var(--type-body);line-height:1.65}.viz-panel{padding:18px 13px}.viz-panel h3{font-size:var(--type-body)}.controls{gap:15px}.slider>span{font-size:var(--type-small)}.formula{font-size:var(--type-small)}.test-layers{gap:5px}.test-layers>div{padding:10px 7px}.test-layers small{font-size:var(--type-small)}.result-head h3{font-size:17px}.result-head>span{font-size:var(--type-small)}.report-meta{font-size:var(--type-small)}.toast{font-size:var(--type-body);bottom:14px;min-width:220px}.editor-language{font-size:var(--type-small)}.editor-bottom>span{font-size:var(--type-small)}.run-button{font-size:var(--type-body);padding:9px 16px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.particle-canvas,.trajectory-plot{width:100%;height:auto;display:block;margin:15px 0;max-height:350px;object-fit:contain}.sampling-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:7px;margin:16px 0 23px}.sampling-grid>button{padding:9px 6px;border:1px solid var(--line);border-radius:5px;background:#ffffff02;color:var(--text-secondary);text-align:center;white-space:normal;min-width:0}.sampling-grid>button.selected{border-color:var(--accent);background:#e7aa4d09;color:var(--accent)}.sampling-grid b{display:block;font-size:var(--type-small);font-weight:500;white-space:nowrap}.sampling-grid small{font:var(--type-small) var(--font-sans);display:block;white-space:normal}.sampling-grid svg{width:100%;margin:7px 0}.point-picker{display:flex;flex-wrap:wrap;gap:5px;margin:13px 0}.point-picker button{font-size:var(--type-small);background:var(--surface3);padding:6px 8px;border-radius:4px;color:var(--muted)}.point-picker button.selected{color:var(--accent);background:#e7aa4d16}.episode-markers{display:flex;gap:3px;margin-top:13px}.episode-markers span{flex:1;text-align:center;font:var(--type-small) var(--font-sans);padding:6px 0;background:var(--surface3);border-radius:3px;color:var(--text-secondary)}.episode-markers .terminated{background:#ec899723;color:#ec8997}.episode-markers .truncated{background:#ad99d923;color:#ad99d9}.inline-lab-link{font-size:inherit;color:var(--accent);text-decoration:underline;text-underline-offset:4px}.mmd-meter{border:1px solid var(--line);border-radius:6px;padding:14px;margin:16px 0}.mmd-meter>div{display:flex;justify-content:space-between;font-size:var(--type-small);color:var(--muted)}.mmd-meter b{font:var(--type-body) var(--font-sans);color:var(--accent);margin-left:7px}.mmd-meter progress{width:100%;height:7px;display:block;margin:13px 0 8px;accent-color:var(--green)}.mmd-meter progress.exceeded{accent-color:#ed8b80}.mmd-meter small{font-size:var(--type-small);color:var(--muted)}.code-editor>[class*=cm-theme]{height:100%}.resizable-split{display:grid;min-width:0;min-height:0;gap:0}.resizable-split[data-axis=horizontal]{grid-template-columns:minmax(0,var(--split-first)) var(--split-handle-size) minmax(0,var(--split-second));grid-template-rows:minmax(0,1fr)}.resizable-split[data-axis=vertical]{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,var(--split-first)) var(--split-handle-size) minmax(0,var(--split-second))}.workspace.resizable-split{gap:0}.editor-split{flex:1;overflow:hidden}.editor-code-panel{display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden}.editor-code-panel .code-editor{min-height:0}.editor-results-panel{min-width:0;min-height:0;overflow:auto;background:var(--surface2);scrollbar-width:thin}.editor-lab{flex:1;min-height:0}.split-handle{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;min-width:0;min-height:0;touch-action:none;-webkit-user-select:none;user-select:none;outline:none}.split-handle[hidden]{display:none}[data-axis=horizontal]>.split-handle{cursor:col-resize}[data-axis=vertical]>.split-handle{cursor:row-resize}.split-handle-grip{display:block;border-radius:4px;background:var(--line)}[data-axis=horizontal]>.split-handle>.split-handle-grip{width:3px;height:32px}[data-axis=vertical]>.split-handle>.split-handle-grip{width:32px;height:3px}.split-handle:hover>.split-handle-grip,.split-handle:focus-visible>.split-handle-grip,[data-dragging=true]>.split-handle>.split-handle-grip{background:var(--accent)}.split-handle:focus-visible{box-shadow:inset 0 0 0 2px var(--accent);border-radius:4px}@media(max-width:850px){.workspace.resizable-split{display:flex;flex-direction:column;gap:8px}.workspace.resizable-split>.split-handle{display:none}.workspace.resizable-split>.description-pane{height:min(70dvh,600px);min-height:320px;max-height:none;flex:none}.workspace.resizable-split>.editor-pane{height:max(620px,75dvh);flex:none}}@media(min-width:851px)and (max-height:600px){.workspace-view{height:auto;min-height:100dvh;overflow:auto}.workspace.resizable-split{flex:none;height:max(400px,calc(100dvh - 145px))}}.reward-sliders{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px 14px}.reward-sliders .slider>span{font-size:var(--type-small);gap:4px}.reward-sliders .slider input{margin-bottom:12px}.token-weight-row{margin:17px 0}.token-weight-row>div:first-child{display:flex;justify-content:space-between;gap:10px;margin-bottom:7px;color:var(--muted);font-size:var(--type-small)}.token-weight-row b{font-weight:500;color:var(--text)}.token-weight-cells{display:grid;grid-template-columns:repeat(24,minmax(0,1fr));gap:2px}.token-weight-cells>span{height:24px;border:1px solid #8794a020;border-radius:2px;color:var(--muted);text-align:center;font-size:var(--type-small);line-height:22px}.viz-panel>.viz-footnote{margin-top:13px}@media(max-width:520px){.reward-sliders{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 20px}.token-weight-cells{gap:1px}.token-weight-row>div:first-child{font-size:var(--type-small)}}.language-toggle{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:6px;padding:7px 9px;color:var(--muted);white-space:nowrap}.language-toggle .selected{color:var(--accent);font-weight:700}.language-toggle i{font-style:normal;opacity:.55}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.submissions-page{max-width:1260px;margin:0 auto;padding:32px 32px 64px}.submission-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:26px}.submission-heading h1{font-size:29px;margin:16px 0 9px}.submission-heading p,.submission-muted{color:var(--muted);line-height:1.75}.submission-pipeline{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:20px;margin-bottom:24px;background:var(--surface);border:1px solid var(--line);border-radius:9px}.submission-pipeline>div{display:flex;align-items:center;gap:10px}.submission-pipeline>div>span{width:25px;height:25px;display:grid;place-items:center;background:var(--surface3);color:var(--accent);border-radius:50%;font:var(--type-body) var(--font-sans);flex-shrink:0}.submission-pipeline b{font-size:var(--type-body);font-weight:500}.submission-pipeline svg{margin-left:auto;color:var(--muted)}.submission-columns{display:grid;grid-template-columns:255px minmax(0,1fr);gap:24px;align-items:start}.submission-list{border:1px solid var(--line);border-radius:9px;background:var(--surface);padding:19px 14px}.submission-list>.aside-title{padding:0 5px 14px}.submission-list>.submission-muted{padding:6px}.submission-list-item{display:flex;flex-wrap:wrap;width:100%;gap:9px;text-align:left;padding:14px 10px;border-top:1px solid var(--line);border-radius:5px}.submission-list-item:hover,.submission-list-item.selected{background:var(--surface3)}.submission-list-item strong{flex-basis:100%;font-weight:500;line-height:1.6;overflow-wrap:anywhere}.submission-list-item small{color:var(--muted);align-self:center;font-size:var(--type-body);margin-left:auto}.submission-status{display:inline-flex;width:fit-content;border-radius:4px;padding:4px 7px;background:#e9af5414;color:var(--accent);font-size:var(--type-body);white-space:nowrap}.submission-status.published{color:var(--green);background:#58bd9b17}.submission-status.rejected,.submission-status.generation_failed,.submission-status.validation_failed{color:#e38c8c;background:#e38c8c14}.capabilities{margin:22px 5px 0;border-top:1px solid var(--line);padding-top:19px}.capabilities h4{margin-bottom:15px}.capabilities>div{display:flex;align-items:center;gap:7px;font-size:var(--type-body);margin-bottom:13px;color:var(--muted)}.capabilities>div b{margin-left:auto;color:var(--text);font-weight:400}.capabilities details{font-size:var(--type-body);color:var(--muted);line-height:1.6}.capabilities details p{margin-top:9px;overflow-wrap:anywhere}.submission-main{display:flex;flex-direction:column;gap:22px;min-width:0}.submission-card{padding:26px;border:1px solid var(--line);border-radius:9px;background:var(--surface);min-width:0}.submission-card>.submission-muted{margin:11px 0 20px}.submission-card>.aside-title{margin-bottom:13px}.submission-form{display:flex;flex-direction:column;gap:19px}.submission-form>label{display:flex;flex-direction:column;gap:9px;font-weight:500}.submission-form input:not([type=checkbox]),.submission-form textarea,.submission-form select{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:11px 12px;font:inherit;font-weight:400;line-height:1.55}.submission-form textarea{resize:vertical;min-height:90px}.submission-form details>label{display:block;margin-top:12px}.submission-form summary{color:var(--muted);cursor:pointer}.submission-form input:focus,.submission-form textarea:focus,.submission-form select:focus{border-color:var(--accent);outline-color:var(--accent)}.submission-form .button{align-self:flex-start}.review-required{display:flex;align-items:flex-start;gap:10px;padding:14px;border:1px solid #e9af5428;background:#e9af5408;border-radius:6px;color:var(--muted);line-height:1.7}.review-required svg{color:var(--accent);flex-shrink:0;margin-top:2px}.submission-error{display:flex;gap:10px;color:#edaaaa;background:#c9454514;border:1px solid #c9454555;border-radius:6px;padding:15px;margin-bottom:20px;line-height:1.6;overflow-wrap:anywhere}.submission-error>svg{flex-shrink:0;margin-top:2px}.submission-detail-heading{display:flex;align-items:flex-start;gap:18px;justify-content:space-between}.submission-detail-heading h2{font-size:19px;line-height:1.6}.submission-sources{display:flex;flex-wrap:wrap;gap:16px;margin:16px 0;color:var(--accent)}.submission-sources a{display:flex;gap:6px;align-items:center}.submission-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.submission-actions+.submission-muted{margin-bottom:0}.submission-card button:disabled{cursor:not-allowed}.candidate-tabs{margin:22px -26px 18px;padding:0 17px;overflow-x:auto}.candidate-tabs button{flex-shrink:0}.candidate-card .prose{padding:0}.candidate-files details{margin:13px 0;border:1px solid var(--line);border-radius:5px;overflow:hidden}.candidate-files summary{padding:13px;cursor:pointer;background:var(--surface2)}.candidate-files summary b{color:var(--accent);font-size:var(--type-body);margin-right:10px}.candidate-files .highlight{margin:0;border:0}.candidate-files pre{padding:17px;background:var(--bg);overflow:auto;font-family:var(--font-mono);font-size:var(--type-body);line-height:1.7}.candidate-files .prose,.candidate-files details>p{padding:14px}.candidate-evidence article{padding:17px 0;border-bottom:1px solid var(--line);line-height:1.7}.candidate-evidence p{color:var(--muted);margin:6px 0}.candidate-evidence a{color:var(--accent);overflow-wrap:anywhere;font-size:var(--type-body)}.candidate-evidence a svg{margin-left:6px}.validation-pass{color:var(--green)}.validation-fail{color:#e38c8c}.validation-checks>div{display:flex;align-items:flex-start;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}.validation-checks svg{margin-top:2px;color:var(--accent);flex-shrink:0}.validation-checks p{color:var(--muted);margin-top:5px;line-height:1.6;overflow-wrap:anywhere}.validation-output{margin-top:18px}.validation-output summary{cursor:pointer;color:var(--muted)}.validation-output pre{max-height:360px;overflow:auto;padding:14px;border-radius:5px;background:var(--bg);line-height:1.6;font-size:var(--type-body)}.review-blocked{border-left:2px solid var(--accent);padding:9px 13px;color:var(--muted);line-height:1.7;margin:17px 0}.review-checklist{display:flex;flex-direction:column;gap:13px;margin:2px 0 7px}.review-checklist label{display:flex;align-items:flex-start;gap:10px;line-height:1.6;cursor:pointer}.review-checklist input{margin:4px 0 0;flex-shrink:0;accent-color:var(--accent)}.review-history{border-top:1px solid var(--line);margin-top:20px;padding-top:10px}.review-history article{padding:13px 0}.review-history span{float:right;color:var(--accent);font-size:var(--type-body)}.review-history p{color:var(--muted);margin-top:9px;line-height:1.7;white-space:pre-wrap}.spinning{animation:spin 1.2s linear infinite}@media(max-width:1050px){.submission-columns{grid-template-columns:220px minmax(0,1fr);gap:18px}.submission-pipeline{gap:8px;padding:15px}.submission-pipeline b{font-size:var(--type-body)}}@media(max-width:760px){.submissions-page{padding:23px 15px 40px}.submission-heading{gap:12px}.submission-heading h1{font-size:24px}.submission-pipeline{grid-template-columns:1fr 1fr;gap:17px}.submission-pipeline>div:nth-child(2) svg{display:none}.submission-columns{grid-template-columns:1fr}.submission-list{max-height:250px;overflow:auto}.submission-card{padding:20px}.candidate-tabs{margin-left:-20px;margin-right:-20px;padding:0 12px}.submission-detail-heading{flex-direction:column;gap:9px}.nav-inner{gap:12px}.topbar nav{gap:4px}.topbar nav a,.topbar nav button{padding-left:9px;padding-right:9px}.language-toggle{padding:6px;gap:4px}.language-toggle svg{display:none}.nav-actions{gap:3px}.workspace-toolbar>b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}@media(max-width:520px){.topbar .brand>span:nth-child(2){display:none}.topbar nav button:first-of-type{display:none}.description-pane>.pane-tabs{overflow-x:auto}.description-pane>.pane-tabs button{white-space:nowrap;flex-shrink:0}}.paper-library .problem-list{margin-top:0}.paper-library .home-intro p{max-width:690px;line-height:1.7}.paper-tag-filters{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:17px}.paper-tag-filters button{border:1px solid var(--line);border-radius:15px;padding:5px 12px;font-size:var(--type-body);color:var(--muted)}.paper-tag-filters button:hover{color:var(--text);background:var(--surface2)}.paper-tag-filters button.selected{color:var(--accent);border-color:#b3894b80;background:#e9af5410}.paper-table-grid{grid-template-columns:35px minmax(0,1fr) 98px 16px;gap:12px}.problem-row.paper-table-grid{min-height:112px;padding-top:16px;padding-bottom:16px}.paper-info strong{font-size:var(--type-body);font-weight:600}.paper-info small{margin-top:3px;font-size:var(--type-body);line-height:1.6}.paper-row-tags{display:flex;gap:8px;align-items:center;margin-top:9px;flex-wrap:wrap}.paper-row-tags>span{font-size:var(--type-small);color:var(--muted);background:var(--surface2);border-radius:3px;padding:2px 5px}.paper-row-progress{padding-right:7px;color:var(--muted);font:var(--type-body) var(--font-sans);font-variant-numeric:tabular-nums}.paper-row-progress>span{display:block;margin-bottom:8px}.paper-row-progress b{font-weight:500;color:var(--text)}.paper-row-progress.done b{color:var(--green)}.paper-progress-bar{height:4px;border-radius:4px;background:var(--line);overflow:hidden}.paper-progress-bar>span{display:block;height:100%;background:var(--green);border-radius:inherit}.module-total{display:flex;align-items:center;gap:7px;margin-top:17px;font-size:var(--type-body);color:var(--muted)}.module-total>b{margin-left:auto;color:var(--text);font-weight:500}.paper-library-link{display:inline-flex;color:var(--muted);margin-bottom:25px;font-size:var(--type-body)}.paper-library-link:hover{color:var(--text)}.paper-detail-header{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-bottom:30px;margin-bottom:27px;border-bottom:1px solid var(--line)}.paper-detail-header>div{min-width:0}.paper-detail-header h1{margin-top:10px;font-size:32px;font-weight:600;letter-spacing:-.5px}.paper-full-title{color:var(--muted);margin-top:9px;font-size:var(--type-body);line-height:1.7}.paper-detail-header>.button{white-space:nowrap;flex-shrink:0}.paper-detail-meta{display:flex;gap:11px;align-items:center;flex-wrap:wrap;margin-top:16px;font-size:var(--type-body);color:var(--muted)}.paper-topic{border:1px solid var(--line);border-radius:4px;padding:3px 7px}.paper-overview{border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:24px}.paper-overview h2{font-size:18px;font-weight:600}.paper-overview>p{line-height:1.75;font-size:var(--type-body);margin-top:16px}.paper-scope{border-top:1px solid var(--line);margin-top:20px;padding-top:18px}.paper-scope>b{font-size:var(--type-body);font-weight:500;color:var(--accent)}.paper-scope p{margin-top:8px;font-size:var(--type-body);line-height:1.75;color:var(--muted)}.paper-module-list{margin-top:31px}.paper-module-list>.list-title{margin-bottom:10px}.module-list-intro{font-size:var(--type-body);color:var(--muted);line-height:1.8;margin-bottom:20px}.paper-module-card{display:block;padding:21px 23px;border:1px solid var(--line);border-radius:8px;background:var(--surface);margin-bottom:12px}.paper-module-card:hover{border-color:#8b714a;background:var(--surface2)}.module-card-top{display:flex;align-items:center;gap:11px}.module-card-top h3{font-size:17px;font-weight:600;line-height:1.6}.module-card-top h3>span{color:var(--muted);font-size:var(--type-body);margin-right:3px}.module-card-top>svg:last-child{margin-left:auto;color:var(--muted)}.paper-module-card>p{color:var(--muted);margin-top:11px;line-height:1.7;font-size:var(--type-body)}.module-card-tags{display:flex;align-items:center;gap:13px;font-size:var(--type-body);color:var(--muted);margin:13px 0 17px;flex-wrap:wrap;row-gap:8px}.module-functions{display:flex;align-items:baseline;flex-wrap:wrap;gap:5px 8px;margin-top:10px}.module-functions>span{color:var(--muted);font-size:var(--type-body);margin-right:2px}.module-functions code{font:var(--type-body) var(--font-mono);color:var(--text);padding:3px 6px;border:1px solid var(--line);background:var(--bg);border-radius:4px;overflow-wrap:anywhere;line-height:1.6}.provided-functions code{color:var(--muted);border-color:transparent;background:transparent;padding-left:0}.paper-completion-card,.paper-source-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:21px;margin-bottom:17px}.paper-completion-count{display:flex;align-items:baseline;gap:8px;margin-top:25px}.paper-completion-count b{font-size:35px;font-weight:500;line-height:1.15}.paper-completion-count>span{color:var(--muted);font-size:var(--type-body)}.paper-completion-card>p{color:var(--muted);font-size:var(--type-body);margin-top:6px;margin-bottom:17px}.paper-completion-card>.button{width:100%;margin-top:21px}.paper-completion-card>small{display:block;font-size:var(--type-body);color:var(--muted);margin-top:13px;line-height:1.7}.core-complete{color:var(--green);display:flex;gap:7px;align-items:center;font-size:var(--type-body);line-height:1.7;margin-top:17px}.course-explore{display:flex;justify-content:center;gap:7px;margin-top:16px;font-size:var(--type-body)}.paper-source-card p{color:var(--muted);font-size:var(--type-body);line-height:1.9;margin-top:14px;margin-bottom:15px;overflow-wrap:anywhere}.module-scope-card{margin:16px 0;padding:14px 16px;border:1px solid var(--line);border-left:2px solid var(--accent);border-radius:6px}.module-scope-card h3{font-size:var(--type-body);margin-bottom:9px;font-weight:600}.module-scope-card>p{line-height:1.7;font-size:var(--type-body)}.module-scope-card>.module-scope-detail{margin-top:8px;color:var(--muted);font-size:var(--type-body)}.workspace-toolbar>.back-link{flex-shrink:0;max-width:37%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.problem-navigation{flex-shrink:0}.problem-navigation button:disabled{cursor:default;opacity:.3}.paper-detail .aside-title>.row-state.done{color:var(--green)}[data-theme=light] .paper-detail .back-link{color:var(--muted)}[data-theme=light] .button.subtle{color:var(--text)}@media(max-width:850px){.paper-detail .home-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:25px}.paper-detail .home-sidebar .method-card{display:none}.paper-detail .home-sidebar>section{margin-bottom:0}}@media(max-width:520px){.paper-library .home-intro{display:block}.paper-library .home-intro>.button{margin-top:17px}.paper-library .home-intro>.button{font-size:var(--type-body);gap:7px;padding:9px 12px}.paper-table-grid{grid-template-columns:23px minmax(0,1fr) 58px 10px;gap:6px}.paper-info strong{font-size:var(--type-body);font-weight:600}.paper-info small{white-space:normal;line-height:1.6;font-size:var(--type-body)}.problem-row.paper-table-grid{min-height:112px;padding:16px 7px}.paper-row-tags{gap:5px;margin-top:6px}.paper-row-tags>span{font-size:var(--type-small)}.paper-row-progress{padding-right:0;font:var(--type-body) var(--font-sans);font-variant-numeric:tabular-nums}.paper-library .filter-bar{flex-wrap:wrap}.paper-detail-header{align-items:flex-start;flex-direction:column;gap:17px}.paper-detail-header h1{font-size:28px}.paper-detail-header>.button{align-self:flex-start}.paper-overview,.paper-module-card{padding:18px}.module-card-top h3{font-size:17px;font-weight:600}.paper-detail .home-sidebar{grid-template-columns:1fr}.paper-detail .home-sidebar .paper-source-card{display:none}.paper-module-list>.list-title{align-items:flex-start;gap:10px}.paper-module-list>.list-title>span{display:inline;white-space:nowrap}.workspace-toolbar{gap:6px;min-height:44px;font-size:var(--type-body)}.workspace-toolbar>.back-link{max-width:34%;font-size:var(--type-body)}.workspace-toolbar>b{font-size:var(--type-body)}.problem-navigation{gap:3px}}.topbar .continue-link{min-width:88px;justify-content:center}.paper-categories{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px}.paper-categories button{display:flex;align-items:center;gap:14px;padding:12px 15px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--muted);text-align:left;font-size:var(--type-body);font-weight:500;min-height:44px}.paper-categories button b{font:var(--type-body) var(--font-sans);color:var(--muted);font-variant-numeric:tabular-nums}.paper-categories button[aria-pressed=true],.toy-view-tabs button[aria-pressed=true]{color:var(--accent);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--surface))}.paper-library .filter-bar{flex-wrap:wrap}.paper-library .select-wrap{max-width:100%}.paper-library .select-wrap select{max-width:215px}.toy-experiment>p{color:var(--muted);line-height:1.75;margin:12px 0 18px}.toy-provenance{margin:15px 0;color:var(--muted);overflow-wrap:anywhere}.toy-provenance summary{cursor:pointer;color:var(--text)}.toy-view-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.toy-view-tabs button{border:1px solid var(--line);padding:8px 12px;border-radius:6px}@media(max-width:850px){.workspace-view{height:auto;min-height:100dvh}}@media(max-width:1200px){.topbar{height:auto;min-height:92px}.nav-inner,.workspace-view .nav-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 10px;padding:0 24px}.brand{grid-column:1;grid-row:1;height:48px;font-size:20px}.topbar .brand>span:nth-child(2){display:inline}.nav-actions{grid-column:2;grid-row:1;gap:6px}.topbar nav{grid-column:1 / -1;grid-row:2;height:42px;min-width:0;gap:4px;overflow-x:auto;scrollbar-width:none}.topbar nav a,.topbar nav button{flex-shrink:0;white-space:nowrap;padding:0 10px;font-size:var(--type-body)}.topbar nav button:first-of-type{display:flex}.topbar .continue-link{min-width:86px}}@media(max-width:520px){.nav-inner,.workspace-view .nav-inner{padding:0 12px}.paper-categories{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.paper-categories button{padding:10px;justify-content:space-between;gap:6px;font-weight:500;min-height:44px}.description-scroll{padding:24px 18px}.home-intro h1{font-size:27px}.home-intro p{max-width:none}.paper-categories button{font-size:var(--type-body)}.editor-font-size{gap:4px;padding:2px}}.theme-switcher{display:inline-flex;flex-shrink:0;padding:3px;gap:2px;border:1px solid var(--line);border-radius:7px;background:var(--bg)}.theme-switcher button{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;padding:5px;border-radius:4px;color:var(--muted)}.theme-switcher button[aria-pressed=true]{background:var(--surface3);color:var(--text);box-shadow:0 1px 2px #0001}.theme-switcher button:hover{color:var(--text)}:where(button,a,select,input,summary):focus-visible{outline:2px solid var(--accent);outline-offset:3px}.select-wrap:focus-within{outline:2px solid var(--accent);outline-offset:3px}.highlight .shiki,.highlight .shiki span{color:var(--shiki-dark);font-style:var(--shiki-dark-font-style);font-weight:var(--shiki-dark-font-weight);text-decoration:var(--shiki-dark-text-decoration)}.highlight .shiki{background-color:var(--shiki-dark-bg)}[data-theme=light] .highlight .shiki,[data-theme=light] .highlight .shiki span{color:var(--shiki-light);font-style:var(--shiki-light-font-style);font-weight:var(--shiki-light-font-weight);text-decoration:var(--shiki-light-text-decoration)}[data-theme=light] .highlight .shiki{background-color:var(--shiki-light-bg)}.button.subtle{color:var(--text)}[data-theme=light] :is(.result-head.failure,.test-detail.failed summary>svg,.failure-message,.submission-status.rejected,.submission-status.generation_failed,.submission-status.validation_failed,.submission-error,.validation-fail,.episode-markers .terminated){color:var(--chart-5)}[data-theme=light] .episode-markers .truncated{color:var(--chart-4)}.home.paper-library{display:block;max-width:1420px;padding:28px 32px 48px}.featured-collections{margin-bottom:30px}.collections-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.collections-heading h2{font-size:var(--type-body);font-weight:600}.collection-controls{display:flex;gap:6px}.collection-controls button{display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--line);border-radius:7px;color:var(--muted);background:var(--surface)}.collection-controls button:hover:not(:disabled){color:var(--text);background:var(--surface3)}.collection-controls button:disabled{opacity:.35;cursor:default}.collection-rail{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 40px) / 3);gap:20px;padding:4px;margin:-4px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding:4px;scroll-behavior:smooth;scrollbar-width:none}.collection-rail::-webkit-scrollbar{display:none}.collection-card{position:relative;display:block;min-width:0;height:190px;padding:22px 24px;overflow:hidden;border:1px solid #ffffff24;border-radius:12px;scroll-snap-align:start;color:#fff;isolation:isolate;transition:filter .15s}.collection-card:hover{color:#fff;filter:brightness(1.08)}.collection-card[aria-current=page]{outline:2px solid var(--text);outline-offset:2px}.collection-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.collection-retrieval{background:linear-gradient(115deg,#15464e,#157f75 65%,#48b49b)}.collection-llm-basics{background:linear-gradient(115deg,#1735a4,#2463dd 65%,#469ee7)}.collection-llm-frontier{background:linear-gradient(115deg,#43309b,#6850c9 65%,#9685e1)}.collection-rl{background:linear-gradient(115deg,#07543d,#148966 65%,#46b58f)}.collection-diffusion{background:linear-gradient(115deg,#5424a9,#7542dd 65%,#aa75f7)}.collection-post-training{background:linear-gradient(115deg,#9f3d17,#d16d27 65%,#f2a654)}.collection-jepa-world-models{background:linear-gradient(115deg,#075469,#0b8397 65%,#38b9bc)}.collection-visual-generation{background:linear-gradient(115deg,#942354,#cc4177 65%,#f67d9d)}.collection-copy{position:relative;z-index:1;pointer-events:none}.collection-count{display:block;color:#ffffffd9;font-size:var(--type-small);font-variant-numeric:tabular-nums}.collection-copy h3{max-width:calc(100% - 45px);margin:18px 0 8px;font-size:26px;line-height:1.2;letter-spacing:-.4px;font-weight:650}.collection-copy p{max-width:225px;margin:0;color:#ffffffe6;font-size:var(--type-body);line-height:1.6}.collection-art{position:absolute;width:164px;height:164px;right:-15px;bottom:-25px;z-index:0;opacity:.65;pointer-events:none}.collection-open{position:absolute;top:17px;right:17px;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#ffffff18}.library-main{min-width:0}.library-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px}.library-title{display:flex;align-items:center;gap:10px}.clear-collection{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--surface2);color:var(--muted)}.clear-collection:hover{background:var(--surface3);color:var(--text)}.library-heading h1{font-size:22px;font-weight:600;letter-spacing:-.4px}.library-heading h1>span:not(.bilingual-text){color:var(--muted);font-size:var(--type-body);font-weight:400;margin-left:8px}.library-progress{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:var(--type-body)}.library-progress b{color:var(--text);font-weight:500;font-variant-numeric:tabular-nums}.paper-library .paper-categories{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.paper-library .paper-categories button{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;min-height:36px;border:1px solid transparent;border-radius:18px;background:var(--surface2);color:var(--muted);font-size:var(--type-body);font-weight:400;white-space:nowrap}.paper-library .paper-categories button:hover{background:var(--surface3);color:var(--text)}.paper-library .paper-categories button[aria-pressed=true]{background:var(--text);color:var(--bg)}.paper-library .paper-categories button>span:not(.bilingual-text){font-size:var(--type-small);opacity:.7;font-variant-numeric:tabular-nums}.paper-categories i{width:7px;height:7px;border-radius:50%;background:var(--accent)}.paper-categories .category-architecture i{background:#5998fa}.paper-categories .category-reinforcement-learning i{background:#42b891}.paper-categories .category-generative-models i{background:#a27af4}.paper-categories .category-post-training i{background:#e9974b}.paper-categories .category-retrieval i{background:#48b49b}.paper-categories .category-world-models i{background:#3db8c6}.paper-categories .category-representation i{background:#df769f}.library-toolbar{display:flex;align-items:stretch;gap:12px}.library-toolbar .search{flex:1;min-width:150px;height:40px;background:var(--surface)}.library-toolbar .search input{width:100%;font-size:var(--type-body)}.library-toolbar .filter-bar{margin:0;gap:8px;flex-wrap:nowrap}.library-toolbar .select-wrap{background:var(--surface);height:40px}.library-toolbar .select-wrap select{width:118px;max-width:150px;height:100%;font-size:var(--type-body);padding:0 3px;color:var(--text)}.random-problem{display:inline-flex;align-items:center;justify-content:center;gap:7px;flex-shrink:0;min-height:40px;padding:0 13px;border:1px solid color-mix(in srgb,var(--green) 30%,transparent);border-radius:7px;background:color-mix(in srgb,var(--green) 9%,var(--surface));color:var(--green);font-size:var(--type-body);font-weight:500;white-space:nowrap}.random-problem:hover:not(:disabled){background:color-mix(in srgb,var(--green) 18%,var(--surface))}.random-problem:disabled{color:var(--muted);border-color:var(--line);background:var(--surface);opacity:.65;cursor:not-allowed}.library-results{display:flex;align-items:center;justify-content:space-between;min-height:40px;color:var(--muted);font-size:var(--type-body)}.library-results .random-empty{font-size:var(--type-small)}.library-results button{font-size:var(--type-body)}.paper-library .paper-table-grid{grid-template-columns:40px minmax(0,1fr) 65px 125px 16px;gap:12px;padding-left:14px;padding-right:14px}.paper-library .table-head{height:40px;border-bottom:1px solid var(--line);font-size:var(--type-body)}.paper-library .problem-row{min-height:70px;padding-top:10px;padding-bottom:10px;border-bottom:1px solid var(--line)}.paper-library .problem-row:nth-child(2n){background:color-mix(in srgb,var(--surface) 70%,var(--bg))}.paper-library .problem-row:hover{background:var(--surface3)}.paper-library .paper-info strong{font-size:var(--type-body);font-weight:500}.paper-library .paper-info small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:var(--type-body);line-height:1.6;margin-top:3px}.paper-library .paper-year{color:var(--muted);font-size:var(--type-body);font-variant-numeric:tabular-nums}.paper-library .paper-row-progress{padding:0;font-size:var(--type-body);white-space:nowrap}.paper-library .paper-row-progress>span{display:inline;margin:0}.home.paper-detail{padding-top:26px}.paper-detail .paper-library-link{margin-bottom:18px}.paper-detail .paper-detail-header{padding-bottom:20px;margin-bottom:20px;gap:20px}.paper-detail .paper-detail-header h1{margin:0;font-size:26px}.paper-detail-header h1>span{color:var(--muted);font-weight:400}.paper-detail .paper-full-title{margin-top:5px;font-size:var(--type-body)}.paper-detail .paper-detail-meta{margin-top:10px;gap:8px}.paper-detail .paper-overview{padding:0;background:transparent;border:0;border-radius:0}.paper-detail .paper-overview>p{margin:0;font-size:var(--type-body)}.paper-scope-details{margin-top:12px;font-size:var(--type-body);color:var(--muted)}.paper-scope-details summary{cursor:pointer;width:fit-content;color:var(--text)}.paper-scope-details p{margin-top:8px;line-height:1.75}.paper-detail .paper-module-list{margin-top:24px}.paper-detail .paper-module-card{padding:16px 18px;border-radius:6px;margin-bottom:10px}.paper-detail .paper-module-card>p{margin-top:6px;font-size:var(--type-body)}.paper-detail .module-card-top h3{font-size:var(--type-body)}.paper-detail .module-card-tags{margin:8px 0}.paper-detail .module-functions{margin-top:7px}.paper-detail .paper-completion-count{margin-top:16px}.problem-stats{display:flex;flex-wrap:wrap;gap:12px 22px;margin:0 0 20px;padding:0 0 16px;border-bottom:1px solid var(--line);font-size:var(--type-small);line-height:1.6}.problem-stats>div{display:flex;flex-direction:column;gap:1px}.problem-stats dt{color:var(--muted)}.problem-stats dd{margin:0;color:var(--text);font-size:var(--type-body);font-weight:500;font-variant-numeric:tabular-nums}.problem-stats [data-stat=accepted_submissions] dd{color:var(--green)}.module-stats{display:flex;flex-wrap:wrap;gap:5px 20px;margin-top:13px;padding-top:10px;border-top:1px solid var(--line);color:var(--muted);font-size:var(--type-small);line-height:1.6}.module-stats>span{display:inline-flex;gap:7px}.module-stats b{color:var(--text);font-weight:500;font-variant-numeric:tabular-nums}@media(max-width:1150px){.nav-actions{gap:10px}.nav-inner{gap:20px}.topbar nav{gap:14px}.home.paper-library{padding-left:24px;padding-right:24px}.collection-rail{grid-auto-columns:calc((100% - 20px)/2)}.library-heading{flex-wrap:wrap;gap:8px 20px}.library-toolbar{flex-wrap:wrap}.library-toolbar .search{flex-basis:100%}}@media(max-width:900px){.nav-inner,.workspace-view .nav-inner{gap:0 10px}.topbar nav{gap:4px}.nav-actions{gap:6px}.library-toolbar{flex-wrap:wrap}.library-toolbar .search{flex-basis:100%}.library-toolbar .filter-bar,.library-toolbar .select-wrap{flex:1;min-width:0}.library-toolbar .select-wrap select{width:100%;max-width:none}}@media(max-width:600px){.home.paper-library{padding:22px 16px 36px}.featured-collections{margin-bottom:26px}.collection-rail{grid-auto-columns:calc(100% - 32px);gap:14px}.collection-card{height:180px;padding:20px}.collection-copy h3{font-size:24px}.library-heading{margin-bottom:16px;align-items:baseline;gap:8px}.library-heading h1{font-size:22px}.library-progress{font-size:var(--type-small);gap:5px}.library-progress>svg{display:none}.paper-library .paper-categories{flex-wrap:nowrap;overflow-x:auto;padding-bottom:5px;margin-bottom:12px;scrollbar-width:thin}.paper-library .paper-categories button{flex-shrink:0}.paper-library .paper-table-grid{grid-template-columns:24px minmax(0,1fr) 92px 12px;gap:8px;padding-left:6px;padding-right:6px}.paper-library .paper-year{display:none}.paper-library .table-head>span:first-child{visibility:hidden}.paper-library .table-head>span:nth-child(4){display:block;font-size:var(--type-small)}.paper-library .paper-info strong,.library-toolbar .search input{font-size:var(--type-body)}.library-toolbar .search{flex-basis:0;min-width:100px}.library-toolbar .filter-bar{order:2;flex-basis:100%;gap:6px}.random-problem{margin-left:auto}.library-results{flex-wrap:wrap;gap:5px;padding:8px 0}.library-results .random-empty{flex-basis:100%;padding-left:0}.library-toolbar .select-wrap{padding:0 5px}.library-toolbar .select-wrap select{font-size:var(--type-body)}}@media(prefers-reduced-motion:reduce){.collection-rail{scroll-behavior:auto}.collection-card{transition:none}}.feature-loading{display:flex;align-items:center;gap:10px;padding:28px 20px;color:var(--muted);font-size:var(--type-body)}.feature-failure{padding:16px;color:var(--muted);font-size:var(--type-body)}.feature-failure>p{margin:0 0 10px}.feature-recovery-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:8px}.feature-raw-prose{padding:16px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:var(--type-body)}.editor-fallback{display:flex;flex-direction:column;height:100%;min-height:0;min-width:0}.editor-fallback>pre{margin:0;padding:12px 16px;overflow:auto;flex:1;min-height:0}.editor-fallback>textarea{flex:1;min-height:0;width:100%;padding:12px 16px;resize:none;border:0;outline-offset:-2px;border-radius:0;color:var(--text);background:var(--surface);font-family:var(--font-mono);line-height:1.65}.publishing-rules{margin:12px 0;color:var(--text-secondary);font-size:var(--type-small);line-height:1.65}.publishing-rules summary{cursor:pointer}.publishing-rules p{margin:8px 0}.topbar nav{flex-shrink:0}.topbar nav a,.topbar nav button{justify-content:center;white-space:nowrap}.topbar .language-toggle{width:70px;justify-content:center;gap:4px;padding:7px 6px;flex-shrink:0}.language-toggle>span{width:22px;text-align:center;font-weight:600}.language-toggle>span.selected{font-weight:600}.topbar .sign-in-nav{width:78px}@media(max-width:1400px){.nav-inner{gap:20px}.topbar nav{gap:14px}.nav-actions{gap:10px}}@media(max-width:1200px){.nav-inner,.workspace-view .nav-inner{gap:0 10px}.topbar nav{gap:4px}.nav-actions{gap:6px}}@media(max-width:600px){.topbar .language-toggle{width:62px}.topbar .sign-in-nav{width:60px;padding:5px}}@media(max-width:480px){.topbar .brand>span:nth-child(2){display:none}}.privacy-link{flex-shrink:0;color:var(--muted);font-size:var(--type-small);text-decoration:none;white-space:nowrap}.privacy-link:hover,.privacy-link:focus-visible{color:var(--text);text-decoration:underline}.repository-link{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;gap:7px;height:36px;padding:0 11px;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:12px;text-decoration:none;font-size:14px;font-weight:600;line-height:1;white-space:nowrap}.repository-link:hover{color:var(--text);background:var(--surface2);border-color:var(--muted)}.repository-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.repository-icon{width:19px;height:19px;flex:none;background:currentColor;mask:url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20width='16'%20height='16'%20viewBox='0%200%2016%2016'%3e%3cpath%20d='M6.766%2011.328c-2.063-.25-3.516-1.734-3.516-3.656%200-.781.281-1.625.75-2.188-.203-.515-.172-1.609.063-2.062.625-.078%201.468.25%201.968.703.594-.187%201.219-.281%201.985-.281.765%200%201.39.094%201.953.265.484-.437%201.344-.765%201.969-.687.218.422.25%201.515.046%202.047.5.593.766%201.39.766%202.203%200%201.922-1.453%203.375-3.547%203.64.531.344.89%201.094.89%201.954v1.625c0%20.468.391.734.86.547C13.781%2014.359%2016%2011.53%2016%208.03%2016%203.61%2012.406%200%207.984%200%203.563%200%200%203.61%200%208.031a7.88%207.88%200%200%200%205.172%207.422c.422.156.828-.125.828-.547v-1.25c-.219.094-.5.156-.75.156-1.031%200-1.64-.562-2.078-1.609-.172-.422-.36-.672-.719-.719-.187-.015-.25-.093-.25-.187%200-.188.313-.328.625-.328.453%200%20.844.281%201.25.86.313.452.64.655%201.031.655s.641-.14%201-.5c.266-.265.47-.5.657-.656'/%3e%3c/svg%3e") center / contain no-repeat}.repository-stars{display:inline-flex;align-items:center;gap:5px;margin-left:2px;padding-left:9px;height:22px;border-left:1px solid var(--line);color:var(--muted);font-variant-numeric:tabular-nums}.repository-star{color:#eab534;font-size:21px;line-height:1}.repository-star-count{min-width:2ch;text-align:center}@media(max-width:360px){.repository-stars{display:none}}.editor-bottom .editor-run-status{min-width:0;flex-wrap:wrap;font-size:var(--type-small);line-height:1.5}@media(max-width:520px){.repository-link{height:32px;gap:5px;padding-inline:8px;font-size:13px;border-radius:10px}.repository-icon{width:17px;height:17px}.repository-stars{gap:4px;padding-left:6px;margin-left:0;height:20px}.repository-star{font-size:19px}.editor-bottom .editor-run-status{font-size:var(--type-meta)}}.email-login-alternative{margin-top:24px}.email-login-alternative>summary{cursor:pointer;padding:16px 0;font-weight:600}.email-login-dialog{width:min(520px,calc(100vw - 32px));padding:28px;border:1px solid var(--line);border-radius:16px;color:var(--text);background:var(--surface, #fff)}.email-login-dialog::backdrop{background:#00000073}.email-login-dialog h2{margin-top:0;font-size:20px}.email-login-dialog p{line-height:1.7}.email-login-dialog-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.email-quota-notice{margin-bottom:18px}.email-quota-notice .email-login-dialog-actions{margin-top:10px}.account-nav-actions{display:flex;align-items:center;gap:10px;position:relative}.account-logout-nav{display:inline-flex;align-items:center;gap:6px;padding:7px;border:0;border-radius:7px;background:transparent;color:var(--muted);font:inherit;font-size:var(--type-small);white-space:nowrap;cursor:pointer}.account-logout-nav:hover{background:var(--surface2);color:var(--text)}.account-logout-nav:disabled{opacity:.6;cursor:wait}.account-nav-error{position:absolute;right:0;top:100%;z-index:20;width:min(300px,80vw);padding:12px;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:8px;overflow-wrap:anywhere}@media(max-width:480px){.account-logout-nav span{display:none}.account-nav-actions{gap:4px}}.editor-tools-recovery{display:inline-flex;align-items:center;flex-wrap:wrap;gap:4px 8px;color:var(--muted);font-size:var(--type-small);line-height:1.5}.editor-tools-recovery .text-button{min-height:40px;padding-inline:6px;color:var(--accent)}@media(pointer:coarse){.editor-tools-recovery .text-button{min-height:44px}}.paper-title-line{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 10px;min-width:0}.paper-title-tags{display:flex;flex-wrap:wrap;gap:4px}.paper-title-tags>span{border:1px solid var(--line);border-radius:4px;padding:1px 6px;color:var(--muted);font-size:11px;line-height:1.5}.library-load-more{display:flex;justify-content:center;align-items:center;gap:6px;width:100%;padding:18px}:root{--focus-ring: var(--accent)}:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px}button:disabled{cursor:default}.button{transition:background .16s,box-shadow .16s,transform .16s}.button:hover:not(:disabled){box-shadow:0 3px 12px #00000012}.button:active:not(:disabled){transform:translateY(1px)}.home.paper-library{padding-top:32px}.paper-library .practice-start{position:relative;overflow:hidden;padding:30px;gap:36px;border-radius:18px;background:radial-gradient(ellipse at 0 0,color-mix(in srgb,var(--accent) 9%,transparent),transparent 65%),var(--surface)}.practice-start .journey-kicker{font-weight:550;color:var(--accent)}.practice-start h2{max-width:520px;font-size:clamp(24px,2.5vw,34px);letter-spacing:-.04em}.journey-links{display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:var(--type-body)}.journey-links .button{min-height:40px;font-size:var(--type-body)}.practice-start .practice-recommendation{align-self:center;padding:20px 22px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 4px 18px #00000005}.practice-recommendation .journey-kicker{color:var(--muted)}.journey-completion{margin-top:16px}.journey-completion-track{height:4px;overflow:hidden;border-radius:9px;background:var(--surface3)}.journey-completion-track>span{display:block;height:100%;border-radius:inherit;background:var(--green)}.journey-completion .journey-progress{display:block;margin-top:7px;font-variant-numeric:tabular-nums}.library-main{scroll-margin-top:20px}.library-toolbar{padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.library-toolbar .search{border-radius:8px;transition:border-color .15s,box-shadow .15s}.library-toolbar .search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 12%,transparent)}.library-toolbar .search input{outline:none}.library-toolbar .search input::-webkit-search-cancel-button{-webkit-appearance:none}.library-toolbar .search kbd{display:grid;place-items:center;flex-shrink:0;min-width:22px;height:23px;border:1px solid var(--line);border-radius:4px;color:var(--muted);font:var(--type-small) var(--font-mono)}.search-clear{display:grid;place-items:center;width:28px;height:28px;flex-shrink:0;border-radius:5px}.search-clear:hover{background:var(--surface3)}.library-results{padding:6px 2px}.active-filters{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 12px}.active-filters button{display:inline-flex;align-items:center;gap:7px;max-width:100%;overflow-wrap:anywhere;border:1px solid color-mix(in srgb,var(--accent) 25%,var(--line));border-radius:6px;padding:5px 9px;background:color-mix(in srgb,var(--accent) 7%,var(--surface));color:var(--accent);font-size:var(--type-small)}.active-filters button:hover{background:color-mix(in srgb,var(--accent) 14%,var(--surface))}.paper-library .problem-rows{border:1px solid var(--line);border-top:0;border-radius:0 0 10px 10px;overflow:hidden}.paper-library .table-head{border:1px solid var(--line);border-radius:10px 10px 0 0;background:var(--surface2)}.paper-library .problem-row:last-child{border-bottom:0}.paper-library .problem-row{transition:background .15s}.paper-library .problem-row:focus-visible{outline-offset:-3px}.paper-library .problem-row>svg{color:var(--muted)}.paper-library .problem-row:hover .paper-info strong,.paper-library .problem-row:hover>svg{color:var(--accent)}.paper-library .paper-info strong{font-weight:600}.no-results{padding:42px 20px;text-align:center}.no-results h3{margin-top:12px;color:var(--text)}.no-results p{margin:8px 0 16px;font-size:var(--type-body)}.mobile-workspace-switch{display:none}@media(max-width:1150px){.library-toolbar .search{flex-basis:100%}.library-toolbar .filter-bar,.library-toolbar .select-wrap{flex:1}.library-toolbar .select-wrap select{width:100%;max-width:none}}@media(max-width:850px){.mobile-workspace-switch{position:sticky;top:0;z-index:20;display:flex;flex:none;gap:4px;margin:0 10px 8px;padding:4px;border:1px solid var(--line);border-radius:9px;background:var(--surface2)}.mobile-workspace-switch button{display:flex;justify-content:center;align-items:center;gap:7px;flex:1;min-height:40px;border-radius:6px;color:var(--muted);font-size:var(--type-body)}.mobile-workspace-switch button[aria-pressed=true]{background:var(--surface);color:var(--text);box-shadow:0 1px 5px #0000000d;font-weight:600}.mobile-result-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}.mobile-result-dot.passed{background:var(--green)}.workspace-view[data-mobile-pane=read] .workspace>.editor-pane,.workspace-view[data-mobile-pane=code] .workspace>.description-pane{display:none}.workspace.resizable-split>.description-pane{height:auto;max-height:none;min-height:60dvh}.workspace.resizable-split>.description-pane .description-scroll{max-height:none;overflow:visible}.workspace.resizable-split>.editor-pane{height:max(580px,calc(100dvh - 220px))}.pane-tabs{overflow-x:auto;scrollbar-width:thin}.pane-tabs>button,.pane-tabs>a{flex-shrink:0}}@media(max-width:700px){.paper-library .practice-start{padding:22px;gap:22px}.practice-start h2{font-size:27px}.practice-start .practice-recommendation{padding:18px}.journey-links{gap:16px;margin-top:16px}.journey-steps{margin-bottom:0;font-size:var(--type-small)}}@media(max-width:600px){.home.paper-library{padding-top:20px}.library-toolbar{padding:12px;gap:10px}.library-toolbar .search{flex-basis:0}.library-toolbar .filter-bar{flex:1 1 100%;order:2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%}.library-toolbar .select-wrap{width:100%;min-height:42px}.library-toolbar .select-wrap select{font-size:var(--type-body)}.paper-library .paper-table-grid{grid-template-columns:20px minmax(0,1fr) 67px 12px;gap:6px;padding-left:10px;padding-right:10px}.paper-info strong .judge-capability-badge{display:none}.paper-library .table-head>span:nth-child(4){font-size:var(--type-meta)}.paper-library .paper-categories button{min-height:40px}.collection-controls button{width:36px;height:36px}.icon-button{min-width:34px;min-height:34px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.home.paper-detail{max-width:1240px;padding-bottom:56px}.paper-detail .paper-library-link{font-size:var(--type-body)}.paper-detail .paper-detail-header{align-items:center;padding:28px;margin-bottom:16px;border:1px solid var(--line);border-radius:16px;background:radial-gradient(ellipse at 0 0,color-mix(in srgb,var(--accent) 8%,transparent),transparent 75%),var(--surface)}.paper-detail .paper-detail-header h1{font-size:clamp(27px,3vw,36px);line-height:1.25;letter-spacing:-.035em}.paper-detail-header>div:first-child{min-width:0}.paper-detail .paper-full-title{margin-top:10px;max-width:680px;font-size:var(--type-body);line-height:1.7;overflow-wrap:anywhere}.paper-detail-actions{display:flex;flex-direction:column;gap:10px;flex-shrink:0}.paper-detail-actions .button{min-height:42px;font-size:var(--type-body);justify-content:center}.paper-at-a-glance{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:28px}.paper-at-a-glance>div{display:flex;align-items:center;gap:12px;padding:17px 20px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.paper-at-a-glance>div>svg{color:var(--accent);flex-shrink:0}.paper-at-a-glance span{min-width:0;color:var(--muted);font-size:var(--type-small)}.paper-at-a-glance b{display:block;margin-top:3px;color:var(--text);font-size:var(--type-body);font-weight:600;font-variant-numeric:tabular-nums}.paper-detail .paper-overview{padding:4px 0 18px}.paper-detail .paper-overview>p{line-height:1.9}.paper-scope-details{padding:12px 15px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.paper-scope-details summary{width:100%;font-size:var(--type-body)}.paper-detail .paper-module-list{margin-top:6px}.paper-detail .list-title{margin-bottom:16px}.paper-detail .paper-module-card{position:relative;padding:21px 22px;margin-bottom:14px;border-radius:12px;background:var(--surface);transition:border-color .16s,box-shadow .16s}.paper-detail .paper-module-card:hover{border-color:color-mix(in srgb,var(--accent) 65%,var(--line));box-shadow:0 4px 16px #00000008}.paper-detail .paper-module-card[data-next]{border-color:color-mix(in srgb,var(--accent) 40%,var(--line));box-shadow:inset 3px 0 var(--accent)}.module-next-label{display:flex;align-items:center;gap:6px;margin-bottom:12px;color:var(--accent);font-size:var(--type-meta);font-weight:600;letter-spacing:.025em}.paper-detail .paper-module-card>p{line-height:1.8;color:var(--muted)}.paper-detail .module-card-top h3{line-height:1.6}.paper-detail .module-functions{line-height:1.7}.paper-detail .home-sidebar{align-self:start;position:sticky;top:24px}.paper-detail :is(.paper-completion-card,.paper-source-card){border-radius:12px}.paper-detail .paper-completion-card>.button{min-height:42px}.workspace-focus-toggle{display:inline-flex;align-items:center;justify-content:center;gap:6px;margin-left:auto;padding:5px 9px;border:1px solid var(--line);border-radius:6px;font-size:var(--type-small);white-space:nowrap}.workspace-focus-toggle:hover{background:var(--surface3);color:var(--text)}.workspace-focus-toggle[aria-pressed=true]{border-color:var(--accent);color:var(--accent);background:color-mix(in srgb,var(--accent) 7%,var(--surface))}.workspace-focus-toggle+.problem-navigation{margin-left:0}@media(min-width:851px){.workspace-view[data-focus-mode] .workspace{grid-template-columns:minmax(0,1fr);max-width:1440px;width:100%;margin-inline:auto}.workspace-view[data-focus-mode] .workspace>.description-pane,.workspace-view[data-focus-mode] .workspace>.split-handle{display:none}.workspace-view[data-focus-mode] .workspace>.editor-pane{grid-column:1}}.test-workflow-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;margin-bottom:18px;border-bottom:1px solid var(--line)}.test-workflow-actions>span{font-size:var(--type-small);color:var(--muted)}.test-workflow-actions .button{min-height:36px;font-size:var(--type-small)}.run-shortcut{padding:2px 5px;border:1px solid #26262626;border-radius:4px;font:var(--type-caption) var(--font-sans);opacity:.75;white-space:nowrap}@media(max-width:1100px){.run-shortcut{display:none}}@media(max-width:850px){.workspace-focus-toggle{display:none}.workspace-focus-toggle+.problem-navigation{margin-left:auto}.paper-detail .home-sidebar{position:static}.paper-detail .paper-detail-header{padding:24px}.paper-detail .paper-module-card{padding:18px}}@media(max-width:600px){.home.paper-detail{padding:20px 16px 36px}.paper-detail .paper-detail-header{display:flex;flex-direction:column;align-items:stretch;gap:20px;padding:22px 20px}.paper-detail-actions{flex-direction:row;flex-wrap:wrap;gap:8px}.paper-detail-actions>.button{flex:1;white-space:nowrap}.paper-at-a-glance{gap:8px;margin-bottom:22px}.paper-at-a-glance>div{flex-direction:column;align-items:flex-start;gap:8px;padding:12px}.paper-at-a-glance span{font-size:var(--type-meta)}.paper-at-a-glance b{font-size:var(--type-body)}.test-workflow-actions>span{font-size:var(--type-meta)}}@media(prefers-reduced-motion:reduce){.paper-detail .paper-module-card{transition:none}}.collection-card{height:216px}.collection-copy p{max-width:260px}.collection-learning-progress{position:absolute;left:24px;right:24px;bottom:16px;z-index:2;color:#ffffffe6;font-size:var(--type-meta)}.collection-learning-progress>div{height:3px;margin-top:6px;border-radius:4px;overflow:hidden;background:#ffffff30}.collection-learning-progress i{display:block;height:100%;background:#ffffffd9;border-radius:inherit}.collection-art{bottom:-4px;opacity:.5}.module-navigator{position:relative;gap:5px}.module-picker-trigger{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:4px 8px;border:1px solid transparent;border-radius:6px;font-size:var(--type-small);font-variant-numeric:tabular-nums;white-space:nowrap}.module-picker-trigger:hover,.module-picker-trigger[aria-expanded=true]{background:var(--surface);border-color:var(--line);color:var(--text)}.module-picker{position:absolute;top:calc(100% + 9px);right:0;z-index:40;width:360px;max-width:calc(100vw - 24px);border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 12px 40px #00000026;overflow:hidden}.module-picker-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 16px;border-bottom:1px solid var(--line);background:var(--surface2)}.module-picker-heading b{color:var(--text);font-size:var(--type-body);font-weight:600}.module-picker-heading>span{color:var(--muted);font-size:var(--type-meta)}.module-batch-note{margin:0;padding:10px 16px;border-bottom:1px solid var(--line);color:var(--muted);font-size:var(--type-meta);line-height:1.7}.module-batch-unavailable{display:flex;align-items:center;flex-wrap:wrap;gap:5px 10px;max-width:360px;color:var(--muted);font-size:var(--type-meta);line-height:1.6}.module-batch-unavailable>a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.module-picker-links{max-height:min(400px,60dvh);overflow-y:auto;padding:6px}.module-picker-links a{display:flex;align-items:center;gap:10px;padding:12px 10px;border-radius:7px}.module-picker-links a:hover{background:var(--surface2)}.module-picker-links a[aria-current=page]{background:color-mix(in srgb,var(--accent) 9%,var(--surface))}.module-picker-links a>span:nth-child(2){flex:1;min-width:0}.module-picker-links b{display:block;color:var(--text);font-size:var(--type-body);line-height:1.6;font-weight:500;overflow-wrap:anywhere}.module-picker-links small{display:block;margin-top:2px;font-size:var(--type-meta);color:var(--muted)}.module-picker-state{flex-shrink:0;color:var(--muted)}.module-picker-state.done{color:var(--green)}.module-picker-state.started{color:var(--accent)}.module-picker-current{width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}.result-summary-meter{height:5px;margin:14px 0 16px;overflow:hidden;border-radius:5px;background:var(--surface3)}.result-summary-meter>span{display:block;height:100%;border-radius:inherit;background:var(--green)}.report-test-filters{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:4px}.test-outcome-switch{display:inline-flex;gap:3px;padding:3px;border:1px solid var(--line);border-radius:8px;background:var(--surface2)}.test-outcome-switch button{display:inline-flex;align-items:center;gap:6px;min-height:31px;padding:5px 9px;border-radius:5px;font-size:var(--type-small);color:var(--muted);white-space:nowrap}.test-outcome-switch button:hover{color:var(--text)}.test-outcome-switch button[aria-pressed=true]{color:var(--text);background:var(--surface);box-shadow:0 1px 4px #0000000a;font-weight:600}.test-outcome-switch button:nth-child(2)[aria-pressed=true]{color:var(--chart-5)}.test-outcome-switch button:nth-child(3)[aria-pressed=true]{color:var(--green)}.test-outcome-switch button>span{font-size:var(--type-caption);font-variant-numeric:tabular-nums;opacity:.8}.test-layer-filter{display:inline-flex;align-items:center;gap:5px;color:var(--muted);padding:3px 7px;min-height:36px;border:1px solid var(--line);border-radius:7px;background:var(--surface)}.test-layer-filter select{max-width:150px;min-height:28px;padding:0 4px;border:0;background:var(--surface);font-size:var(--type-small)}.report-test-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;color:var(--muted);font-size:var(--type-meta)}.report-test-actions .text-button{display:inline-flex;align-items:center;gap:4px;font-size:var(--type-meta)}.report-tests .test-detail{margin-bottom:9px;border-radius:8px;overflow:hidden}.report-tests .test-detail>summary{min-height:45px;padding:12px}.report-tests .test-detail.failed{border-color:color-mix(in srgb,var(--chart-5) 22%,var(--line))}.report-tests .test-detail[open]>summary{border-bottom:1px solid var(--line)}.report-tests .test-detail>summary>span{min-width:0;font-size:var(--type-small)}.test-filter-empty{display:flex;flex-direction:column;align-items:center;gap:10px;padding:30px 16px;margin-top:2px;border:1px dashed var(--line);border-radius:8px;color:var(--muted);font-size:var(--type-body)}@media(max-width:600px){.collection-card{height:210px}.collection-learning-progress{left:20px;right:20px}.test-outcome-switch{flex:1}.test-outcome-switch button{flex:1;justify-content:center;min-height:36px}.test-layer-filter{min-height:40px}.report-tests .test-detail>summary{gap:7px}.module-picker-trigger{min-height:36px}}.paper-result-group:not(:last-child){border-bottom:1px solid var(--line)}.paper-result-group:nth-child(2n)>.problem-row{background:color-mix(in srgb,var(--surface) 70%,var(--bg))}.paper-result-group>.problem-row:hover{background:var(--surface3)}.matching-modules{display:flex;align-items:center;flex-wrap:wrap;gap:7px;padding:10px 16px 12px 66px;background:var(--surface)}.matching-modules>span{margin-right:3px;color:var(--muted);font-size:var(--type-meta)}.matching-modules>a{display:inline-flex;align-items:center;gap:6px;min-width:0;max-width:100%;padding:6px 9px;border:1px solid var(--line);border-radius:6px;background:var(--surface2);font-size:var(--type-small);overflow-wrap:anywhere}.matching-modules>a:hover{color:var(--accent);border-color:var(--accent)}.paper-action-target{max-width:230px;color:var(--muted);font-size:var(--type-meta);line-height:1.5;overflow-wrap:anywhere}.stats-availability{margin:0 0 18px;padding:10px 12px;border:1px solid var(--line);border-radius:7px;background:var(--surface2);color:var(--muted);font-size:var(--type-small)}.stats-availability>summary{cursor:pointer}.stats-availability>p{margin:10px 0 14px;line-height:1.7}.stats-availability .problem-stats{margin-bottom:0;padding-bottom:0;border:0}.route-not-found{max-width:680px;padding:64px 24px;margin:32px auto;display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}.route-not-found>svg{color:var(--accent)}.route-not-found h1{font-size:clamp(23px,4vw,30px)}.route-not-found p{color:var(--muted);line-height:1.8;max-width:490px}.route-not-found code{max-width:100%;padding:8px 12px;border-radius:6px;color:var(--muted);background:var(--surface2);overflow-wrap:anywhere;font-size:var(--type-small)}@media(max-width:600px){.matching-modules{padding:12px;align-items:flex-start}.matching-modules>span{width:100%}.matching-modules>a{min-height:38px}.paper-action-target{order:2;flex-basis:100%;max-width:100%}}.module-nav-fallback select{max-width:170px;min-height:32px;padding:4px 8px;border:1px solid var(--line);border-radius:6px;background:var(--surface);font-size:var(--type-small)}@media(max-width:600px){.module-nav-fallback select{max-width:104px}}:root{--page-gutter: clamp(16px, 2.8vw, 40px);--radius-panel: 14px;--shadow-panel: 0 2px 8px #00000004, 0 12px 32px #00000003}body{overflow-wrap:break-word}button,a,input,select,textarea,summary{touch-action:manipulation}button,input,select,textarea{font-family:var(--font-sans)}button{transition:color .16s,background .16s,border-color .16s,box-shadow .16s}button:disabled{box-shadow:none}input,select,textarea{accent-color:var(--accent)}::selection{background:color-mix(in srgb,var(--accent) 28%,transparent)}.button{min-height:44px;border-radius:8px;font-size:var(--type-control);font-weight:600;gap:8px}.button:not(.subtle){box-shadow:inset 0 1px #ffffff26,0 2px 4px #00000006}.button.subtle{background:var(--surface);border-color:var(--line)}.button.subtle:hover:not(:disabled){background:var(--surface2);border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}.text-button{text-underline-offset:4px}.text-button:hover{text-decoration:underline}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px}.icon-button:hover:not(:disabled){background:var(--surface3);color:var(--text)}.app>.topbar{border-color:var(--line);flex-shrink:0}.app:not(.workspace-view)>.topbar{position:sticky;top:0;z-index:40}.nav-inner{max-width:1480px;padding-inline:var(--page-gutter);gap:30px}.brand{font-size:24px;letter-spacing:-.6px;gap:9px}.brand-symbol{width:35px;height:35px}.topbar nav{gap:18px}.topbar nav a,.topbar nav button{font-size:var(--type-body)}.topbar nav .active{font-weight:600}.topbar nav .active:after{height:3px;border-radius:3px 3px 0 0}.nav-actions{gap:12px}.settings-entry{width:36px;height:36px;color:var(--muted);border:1px solid transparent}.settings-entry[aria-current=page]{color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--surface));border-color:color-mix(in srgb,var(--accent) 25%,var(--line))}.profile-workspace-settings{display:inline-flex;align-items:center;gap:7px;margin-top:5px;font-size:var(--type-body);color:var(--accent)}.profile-workspace-links{display:flex;flex-wrap:wrap;gap:5px 18px}.connection{font-size:var(--type-small);white-space:nowrap}.language-toggle{min-height:36px;border-radius:8px}.theme-switcher{border-radius:8px;padding:3px;background:var(--surface2)}.theme-switcher button{min-height:28px;border-radius:5px;font-size:var(--type-small)}.theme-switcher button[aria-pressed=true]{background:var(--surface);box-shadow:0 1px 4px #00000012}.home.paper-library{padding:36px var(--page-gutter) 64px}.paper-library .practice-start{padding:34px;gap:40px;margin-bottom:32px;border-radius:20px;box-shadow:var(--shadow-panel);align-items:center}.practice-start-copy>.journey-kicker{display:inline-flex;padding:5px 10px;border:1px solid color-mix(in srgb,var(--accent) 18%,var(--line));border-radius:6px;background:color-mix(in srgb,var(--accent) 5%,var(--surface));font-size:var(--type-meta);letter-spacing:.04em}.practice-start h2{margin-top:14px;max-width:590px;font-size:clamp(27px,2.6vw,37px);font-weight:650;line-height:1.35;letter-spacing:-.045em;text-wrap:balance}.practice-start-copy>p{max-width:540px;line-height:1.9}.journey-steps{gap:12px 20px;margin-top:22px}.journey-steps li{gap:6px;font-size:var(--type-small);color:var(--muted)}.journey-steps li:before{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:color-mix(in srgb,var(--accent) 10%,var(--surface));content:counter(journey);font-size:var(--type-caption);font-weight:600}.journey-steps li>svg{display:none}.journey-links{margin-top:22px}.practice-start .practice-recommendation{position:relative;padding:24px;background:var(--surface);box-shadow:0 6px 24px #00000006}.practice-recommendation h3{margin:10px 0 8px;font-size:21px;font-weight:600}.practice-recommendation>.journey-kicker{display:flex;align-items:center;gap:7px}.practice-recommendation>.journey-kicker:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}.practice-recommendation .journey-meta{margin-block:14px}.practice-recommendation .button{min-height:44px;padding-inline:18px}.journey-completion{margin-top:20px}.journey-completion-track{height:3px}.journey-completion .journey-progress{font-size:var(--type-meta)}.paper-library .practice-start[data-returning]{padding:24px 30px;gap:32px;border-radius:16px}.practice-start[data-returning] h2{margin-top:10px;font-size:clamp(24px,2.3vw,30px)}.practice-start[data-returning] .journey-links{margin-top:16px}.practice-start[data-returning] .practice-recommendation{padding:18px 22px}.practice-start[data-returning] .practice-recommendation>p{display:none}.practice-start[data-returning] .practice-recommendation>small{font-size:var(--type-meta)}.practice-start[data-returning] .journey-meta{margin-block:10px}.practice-start[data-returning] .journey-completion{margin-top:14px}.featured-collections{margin-bottom:36px}.collections-heading{margin-bottom:16px}.collections-heading h2{font-size:17px}.collections-heading p{margin-top:4px;color:var(--muted);font-size:var(--type-small)}.collection-controls button{width:34px;height:34px;border-radius:8px}.collection-rail{gap:18px;grid-auto-columns:calc((100% - 36px) / 3)}.collection-card{height:204px;border-radius:14px;transition:transform .18s,box-shadow .18s}.collection-card:hover{filter:none;transform:translateY(-2px);box-shadow:0 6px 18px #00000015}.collection-copy h3{margin-top:16px;font-size:25px;letter-spacing:-.03em}.collection-copy p{max-width:80%;font-size:var(--type-small)}.collection-art{opacity:.45}.collection-open{width:29px;height:29px}.collection-learning-progress{font-size:var(--type-meta)}.library-main{scroll-margin-top:84px}.library-heading{margin-bottom:18px}.library-heading h1{font-size:24px;letter-spacing:-.04em}.library-heading h1>span{display:inline-grid;place-items:center;min-width:30px;padding:2px 7px;border:1px solid var(--line);border-radius:6px;background:var(--surface);font-size:var(--type-small);vertical-align:middle}.library-progress{padding:6px 10px;border-radius:7px;background:color-mix(in srgb,var(--green) 5%,var(--surface));font-size:var(--type-small)}.library-progress>svg{color:var(--green)}.paper-library .paper-categories{gap:7px;margin-bottom:18px}.paper-library .paper-categories button{min-height:35px;padding:6px 11px;border-radius:8px;background:transparent;border-color:var(--line);font-size:var(--type-small)}.paper-library .paper-categories button[aria-pressed=true]{background:var(--text);color:var(--bg);border-color:var(--text)}.paper-library .paper-categories button>span{padding-left:3px;font-size:var(--type-meta)}.library-toolbar{padding:12px;gap:10px;border-radius:12px;box-shadow:var(--shadow-panel)}.library-toolbar .search{background:var(--surface2);border-color:transparent}.library-toolbar .search input{font-size:var(--type-body)}.library-toolbar .search kbd{background:var(--surface)}.library-toolbar .filter-bar{gap:6px}.library-toolbar .select-wrap{border-color:var(--line);border-radius:7px;padding-inline:10px}.library-toolbar .select-wrap select{width:100px;font-size:var(--type-small);background:transparent}.library-toolbar .select-wrap:focus-within{outline-offset:1px}.random-problem{border-radius:7px;font-size:var(--type-small)}.library-filter-toggle{display:none}.library-results{min-height:54px;padding:10px 2px;gap:12px;font-size:var(--type-small)}.library-result-actions{display:flex;align-items:center;justify-content:flex-end;gap:16px;flex-shrink:0}.library-result-actions .text-button{font-size:var(--type-small)}.library-sort{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}.library-sort select{max-width:170px;min-height:32px;padding:4px 3px;border:0;background:var(--bg);color:var(--text);font-size:var(--type-small);cursor:pointer;border-radius:5px}.active-filters{gap:6px}.active-filters button{padding:6px 9px;border-radius:6px}.paper-library .paper-table-grid{grid-template-columns:34px minmax(0,1fr) 70px 120px 16px;gap:16px;padding-inline:20px}.paper-library .table-head{height:42px;font-size:var(--type-meta);font-weight:500}.paper-library .problem-row{min-height:78px;padding-block:15px;background:var(--surface)}.paper-library .paper-result-group:nth-child(2n)>.problem-row{background:var(--surface)}.paper-library .paper-result-group>.problem-row:hover{background:color-mix(in srgb,var(--accent) 5%,var(--surface))}.paper-library .paper-info strong{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:var(--type-body);line-height:1.6}.paper-library .paper-info strong>span:first-child{margin:0;min-width:23px;font-size:var(--type-small);color:var(--muted);font-weight:400}.paper-info strong .judge-capability-badge{margin-left:2px;padding:1px 5px;font-size:var(--type-caption)}.paper-library .paper-info small{margin-top:3px;font-size:var(--type-small)}.paper-library .paper-year,.paper-library .paper-row-progress,.paper-library .table-head>span:nth-child(4){text-align:center}.paper-library .paper-row-progress{font-size:var(--type-body)}.paper-library .row-state{justify-self:center}.paper-library .row-state.todo{opacity:.55}.paper-library .problem-row>svg:last-child{transition:transform .16s}.paper-library .problem-row:hover>svg:last-child{transform:translate(2px)}.matching-modules{padding-left:70px}.empty-state-icon{display:inline-grid;place-items:center;width:56px;height:56px;border:1px solid var(--line);border-radius:16px;color:var(--accent);background:var(--surface2)}.no-results{margin-top:12px;padding:48px 20px;border:1px dashed var(--line);border-radius:12px;background:var(--surface)}.no-results h3{margin-top:16px;font-size:17px}.no-results .button{display:inline-flex;font-size:var(--type-body);margin-top:4px}.home.paper-detail{padding-inline:var(--page-gutter)}.paper-detail .paper-detail-header{padding:30px;border-radius:18px;box-shadow:var(--shadow-panel)}.paper-detail .paper-detail-header h1{font-weight:650}.paper-detail .paper-full-title{max-width:710px}.paper-primary-action{display:flex;flex-direction:column;gap:7px;min-width:0}.paper-primary-action>.button{width:100%}.paper-primary-action .paper-action-target{order:initial;max-width:220px;flex-basis:auto;line-height:1.6}.paper-detail .home-sidebar{top:86px}.paper-detail-meta .paper-topic{background:var(--surface);border-radius:5px;font-size:var(--type-meta)}.paper-at-a-glance{gap:14px;margin-bottom:26px}.paper-at-a-glance>div{padding:18px 20px;border-radius:12px}.paper-at-a-glance>div>svg{width:36px;height:36px;padding:9px;background:color-mix(in srgb,var(--accent) 8%,var(--surface));border-radius:10px}.paper-detail .paper-module-card{padding:20px;border-radius:12px;transition:border-color .16s,box-shadow .16s}.paper-detail .paper-module-card:hover{box-shadow:0 4px 16px #00000008;background:var(--surface);border-color:var(--accent)}.paper-detail .module-card-top h3{font-size:var(--type-body);line-height:1.6}.paper-detail .paper-module-card>p{line-height:1.8;font-size:var(--type-body)}.paper-detail .module-functions{flex-wrap:wrap;gap:6px}.module-functions code{overflow-wrap:anywhere;white-space:normal}.paper-completion-card,.paper-source-card{border-radius:12px;padding:22px;box-shadow:var(--shadow-panel)}.paper-source-card .text-button{display:inline-flex;align-items:center;gap:6px;font-size:var(--type-small)}.workspace-view .workspace-toolbar{min-height:48px;padding-inline:22px;gap:10px}.workspace-toolbar>b{font-weight:500}.workspace-focus-toggle{border-radius:6px;min-height:32px}.workspace>.description-pane,.workspace>.editor-pane{border-color:var(--line);border-radius:12px;box-shadow:var(--shadow-panel)}.workspace .pane-tabs{background:var(--surface);min-height:46px;padding-inline:10px}.workspace .pane-tabs>button{font-size:var(--type-small);padding-inline:12px}.workspace .pane-tabs>button:not(.selected):hover{background:var(--surface2);color:var(--text)}.workspace .pane-tabs>button>svg{color:var(--muted)}.workspace .pane-tabs>button.selected>svg{color:var(--accent)}.workspace .pane-tabs>button.selected:after{height:3px;border-radius:3px 3px 0 0}.workspace .description-scroll{padding:28px;overscroll-behavior:contain;scrollbar-gutter:stable}.problem-heading h1{font-size:26px;letter-spacing:-.035em;line-height:1.45}.heading-tags{gap:7px;margin-top:12px}.heading-tags>span{padding:4px 8px;border-radius:5px;font-size:var(--type-meta)}.workspace .paper-card{padding:16px;border-color:var(--line);border-radius:10px;background:var(--surface2)}.paper-card strong{line-height:1.65}.workspace .module-scope-card{padding:20px;border-radius:10px;border-color:var(--line);border-left:3px solid var(--accent);background:color-mix(in srgb,var(--accent) 3%,var(--surface))}.module-scope-card h3{font-size:var(--type-body)}.module-scope-card p{font-size:var(--type-body);line-height:1.8}.workspace .prose{font-size:var(--type-body);line-height:1.9}.workspace .prose h1{font-size:23px;line-height:1.5}.workspace .prose h2{font-size:var(--type-title);margin-top:30px;line-height:1.45}.workspace .prose h3{font-size:var(--type-lead)}.workspace .prose table{display:block;max-width:100%;overflow-x:auto;font-size:var(--type-body);border-radius:8px}.workspace .prose pre{border-radius:8px}.workspace .editor-tools{min-height:44px;padding-inline:14px;background:var(--surface2);border-bottom:1px solid var(--line)}.editor-font-size-select{border-radius:5px}.editor-status{padding-inline:14px;font-size:var(--type-caption);min-height:28px}.editor-status>span:first-child{min-width:0;gap:6px}.editor-status[data-state=saved]>span:first-child>svg{color:var(--green)}.editor-status[data-state=warning]>span:first-child{color:var(--chart-5)}.editor-status[data-state=saving]>span:first-child{color:var(--accent)}.save-spinner{animation:spin 1.2s linear infinite}.workspace .browser-judge-panel{padding:12px 16px;background:var(--surface2)}.browser-judge-panel select{min-height:32px;border-radius:6px;font-size:var(--type-meta)}.workspace .console{border-color:var(--line)}.workspace .editor-bottom{min-height:64px;padding:10px 14px;gap:12px;background:var(--surface);border-top:1px solid var(--line)}.editor-bottom>span{font-size:var(--type-meta)}.editor-bottom .run-button{min-height:40px;border-radius:8px;padding-inline:16px;font-size:var(--type-small)}.run-shortcut{padding:3px 5px;font-size:var(--type-caption);border-radius:4px}.module-picker-popover{box-shadow:0 12px 32px #00000024;border-radius:12px}.split-handle:focus-visible{outline-offset:-2px;z-index:2}.toast{border-color:var(--line);border-radius:12px;box-shadow:0 8px 32px #00000020;font-size:var(--type-body)}.social-panel,.login-card{border-radius:var(--radius-panel);box-shadow:var(--shadow-panel)}.social-page input,.social-page textarea,.social-page select{border-radius:7px}@media(prefers-reduced-motion:no-preference){.achievements-page,.settings-page,.home.paper-detail{animation:page-settle .24s ease-out both}.topbar nav .active:after{animation:nav-settle .18s ease-out both;transform-origin:center}.settings-choice>button:active,.icon-button:active:not(:disabled){transform:scale(.95)}}@media(hover:hover){.run-button:hover:not(:disabled),.practice-recommendation>.button:hover{box-shadow:0 4px 16px color-mix(in srgb,var(--primary-bg) 20%,transparent)}.paper-module-card .module-card-top>svg:last-child{transition:transform .18s,color .18s}.paper-module-card:hover .module-card-top>svg:last-child{transform:translate(3px);color:var(--accent)}.settings-resource>svg:last-child{transition:transform .18s}.settings-resource:hover>svg:last-child{transform:translate(3px)}}@keyframes page-settle{0%{opacity:.6;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes nav-settle{0%{transform:scaleX(.6);opacity:.4}to{transform:scaleX(1);opacity:1}}@media(max-width:1200px){.nav-inner{gap:22px}.topbar nav{gap:12px}.nav-actions{gap:8px}.connection{display:none}.paper-library .practice-start{gap:28px;padding:28px}.collection-rail{grid-auto-columns:calc((100% - 18px)/2)}}@media(max-width:900px){.nav-inner,.workspace-view .nav-inner{padding-inline:var(--page-gutter);gap:0 10px}.topbar nav{gap:2px}.topbar nav a,.topbar nav button{padding-inline:10px}.paper-library .practice-start{gap:22px}.practice-start .practice-recommendation{padding:20px}.library-main{scroll-margin-top:112px}.paper-detail .paper-detail-header{padding:24px}}@media(max-width:850px){.workspace-view .workspace-toolbar{padding-inline:14px;gap:7px}.workspace .description-scroll{padding:24px;scrollbar-gutter:auto}.mobile-workspace-switch{margin-inline:9px;border-radius:10px;box-shadow:0 2px 8px #00000004}.mobile-workspace-switch button{font-size:var(--type-small);min-height:40px}.workspace .editor-status>span:last-child{display:none}}@media(max-width:700px){.home.paper-library{padding-top:24px;padding-bottom:40px}.paper-library .practice-start{padding:22px;gap:22px;border-radius:16px}.paper-library .practice-start[data-returning]{padding:20px;gap:18px}.practice-start[data-returning] .practice-start-copy>p{display:none}.practice-start[data-returning] h2{font-size:25px}.practice-start h2{font-size:29px}.practice-start-copy>p{font-size:var(--type-body)}.practice-start .practice-recommendation{padding:20px}.journey-links{gap:16px;margin-top:18px}.journey-steps{gap:9px 14px;margin-top:18px}.collections-heading p{font-size:var(--type-meta)}.library-toolbar{flex-wrap:wrap;gap:8px;padding:10px}.library-toolbar .search{flex:1 1 0;min-width:100px}.library-toolbar .search input{font-size:var(--type-body)}.library-filter-toggle{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:40px;padding:0 10px;border:1px solid var(--line);border-radius:7px;font-size:var(--type-small)}.library-filter-toggle[aria-expanded=true]{color:var(--accent);background:color-mix(in srgb,var(--accent) 6%,var(--surface));border-color:var(--accent)}.library-filter-toggle[aria-expanded=true]>svg:last-child{transform:rotate(180deg)}.library-filter-toggle>span{display:inline-grid;place-items:center;min-width:22px;height:22px;padding-inline:3px;border-radius:4px;background:var(--accent);color:var(--surface);font-size:var(--type-caption)}.library-toolbar .filter-bar{order:3;flex:1 1 100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding-top:8px;border-top:1px solid var(--line);gap:8px}.library-toolbar .filter-bar[data-expanded=false]{display:none}.library-toolbar .select-wrap{width:100%;min-height:42px}.library-toolbar .select-wrap select{width:100%;max-width:none;font-size:var(--type-body)}.library-toolbar .random-problem{flex:1 1 100%;margin:0;min-height:36px;order:4;background:transparent;border:0;border-top:1px solid var(--line);padding-top:6px;border-radius:0}.library-result-actions{gap:10px}.library-results{align-items:center;gap:6px}.library-sort select{max-width:130px}.paper-detail .paper-detail-header{padding:22px}.paper-at-a-glance>div{padding:14px;gap:8px}.paper-at-a-glance>div>svg{width:30px;height:30px;padding:7px;border-radius:8px}}@media(max-width:600px){.brand{font-size:19px}.brand-symbol{width:29px;height:29px}.topbar nav a,.topbar nav button{font-size:var(--type-control);padding-inline:9px}.theme-switcher button{min-height:28px;min-width:30px}.language-toggle{font-size:var(--type-small);min-height:36px}.paper-library .practice-start{padding:20px}.practice-start h2{font-size:27px}.practice-start .practice-recommendation{padding:18px}.practice-recommendation h3{font-size:19px}.collection-rail{grid-auto-columns:calc(100% - 24px);gap:12px}.collection-card{height:204px}.collection-copy h3{font-size:25px}.library-heading{gap:8px;flex-wrap:wrap}.library-heading h1{font-size:22px}.library-progress{font-size:var(--type-meta);padding:5px 7px}.paper-library .paper-categories{margin-bottom:14px}.paper-library .paper-categories button{min-height:38px}.paper-library .paper-table-grid{grid-template-columns:18px minmax(0,1fr) 66px 12px;gap:9px;padding-inline:12px}.paper-library .paper-info strong{font-size:var(--type-body);gap:4px}.paper-library .paper-info strong>span:first-child{min-width:auto;font-size:var(--type-meta)}.paper-library .table-head>span:nth-child(4){font-size:var(--type-caption)}.paper-library .paper-row-progress{font-size:var(--type-small)}.paper-library .problem-row{min-height:76px;padding-block:14px}.paper-library .paper-info small{font-size:var(--type-meta)}.matching-modules{padding:12px}.library-results{font-size:var(--type-meta)}.library-result-actions{margin-left:auto}.active-filters button{min-height:34px}.home.paper-detail{padding-top:22px}.paper-detail .paper-detail-header h1{font-size:27px}.paper-detail .paper-full-title{font-size:var(--type-body)}.paper-detail .paper-detail-actions{gap:10px}.paper-detail-actions>.paper-primary-action{flex:1;min-width:140px}.paper-detail-actions>.button{align-self:flex-start}.paper-primary-action .paper-action-target{font-size:var(--type-caption);max-width:100%}.paper-at-a-glance{gap:8px}.paper-at-a-glance>div{align-items:flex-start;padding:13px 10px;gap:8px;flex-direction:column}.paper-at-a-glance span{font-size:var(--type-meta)}.paper-at-a-glance b{font-size:var(--type-body)}.paper-detail .paper-module-card{padding:17px}.paper-detail .module-card-top h3{font-size:var(--type-body)}.workspace-view .workspace-toolbar>.back-link{max-width:45%}.workspace-toolbar>b,.workspace-toolbar>.toolbar-divider{display:none}.workspace .description-scroll{padding:22px 18px}.workspace .pane-tabs>button{min-height:44px;padding-inline:11px}.workspace .editor-tools{padding-inline:10px}.workspace .editor-bottom{padding:10px;gap:8px}.editor-bottom .run-button{padding-inline:12px}.editor-bottom .run-shortcut{display:none}.editor-bottom>span{max-width:42%;overflow-wrap:anywhere}.workspace .browser-judge-panel{padding:12px}.browser-judge-panel label{flex-wrap:wrap;gap:6px}.problem-heading h1{font-size:23px}.workspace .module-scope-card{padding:16px}.toast{max-width:calc(100vw - 28px);bottom:16px}}@media(prefers-reduced-motion:reduce){.collection-card:hover{transform:none}.save-spinner{animation:none}}.editor-workbench{display:flex;flex:1;flex-direction:column;min-height:0;min-width:0;overflow:hidden}.editor-workbench[hidden],.description-scroll[hidden]{display:none}.editor-workbench>.editor-code-panel{flex:1}.workspace-result-panel{min-width:0;min-height:0;overscroll-behavior:contain;scrollbar-gutter:stable}.workspace-result-heading{display:flex;align-items:center;gap:8px;padding-bottom:16px;border-bottom:1px solid var(--line)}.workspace-result-heading>svg{color:var(--accent);flex:none}.workspace-result-heading>h2{margin:0;font-size:var(--type-body)}.workspace-result-heading>span{margin-left:auto;color:var(--muted);font-size:var(--type-small)}.workspace-result-panel .workspace-test-results{padding:20px 0}.workspace-result-panel .workspace-test-results .feedback-heading h3{font-size:var(--type-body)}.workspace-result-panel .workspace-test-results .feedback-diagnostic,.workspace-result-panel .workspace-test-details>summary{font-size:var(--type-body)}.workspace-layout-menu{position:relative;flex:none}.workspace-layout-trigger{display:flex;align-items:center;justify-content:center;gap:7px;padding:7px 10px;min-height:36px;border:1px solid var(--line);border-radius:7px;font-size:var(--type-small);background:var(--surface);color:var(--text-secondary)}.workspace-layout-trigger:hover,.workspace-layout-trigger[aria-expanded=true]{color:var(--text);background:var(--surface2)}.workspace-layout-popover{position:absolute;top:calc(100% + 9px);right:0;z-index:30;width:360px;max-width:calc(100vw - 32px);box-sizing:border-box;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 12px 36px #00000018}.workspace-layout-heading>b{display:block;font-size:var(--type-body);font-weight:600}.workspace-layout-heading>small{display:block;margin-top:6px;font-size:var(--type-small);line-height:1.7;color:var(--text-secondary)}.workspace-layout-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-block:14px}.workspace-layout-options>button{display:flex;flex-direction:column;min-width:0;gap:10px;padding:10px 8px;border:1px solid var(--line);border-radius:8px;font-size:var(--type-small);line-height:1.5;overflow-wrap:anywhere;color:var(--text-secondary)}.workspace-layout-options>button:hover{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 4%,var(--surface));color:var(--accent)}.workspace-layout-preview{display:grid;gap:3px;width:100%;height:38px;padding:3px;box-sizing:border-box;border:1px solid var(--line);border-radius:4px;background:var(--surface2)}.workspace-layout-preview>i{border-radius:2px;background:color-mix(in srgb,var(--muted) 24%,var(--surface))}.workspace-layout-preview>i:last-child{background:color-mix(in srgb,var(--accent) 25%,var(--surface))}.workspace-layout-reset{display:flex;align-items:center;flex-wrap:wrap;gap:6px 8px;width:100%;min-height:40px;padding:8px 0;color:var(--text-secondary);font-size:var(--type-small)}.workspace-layout-reset:hover{color:var(--accent)}.workspace-layout-reset>small{margin-left:auto;color:var(--muted);font-size:var(--type-meta)}.workspace-layout-hints{border-top:1px solid var(--line);margin-top:8px;padding-top:10px;display:grid;gap:8px}.workspace-layout-hints>span{display:flex;justify-content:space-between;gap:8px;color:var(--text-secondary);font-size:var(--type-small)}.workspace-layout-hints kbd{padding:2px 5px;border:1px solid var(--line);border-radius:4px;font-family:var(--font-mono);background:var(--surface2);font-size:var(--type-caption)}.workspace-layout-trigger:focus-visible,.workspace-layout-options>button:focus-visible,.workspace-layout-reset:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(max-width:850px){.workspace-layout-menu{display:none}}.workspace-view{--workspace-band:52px}.workspace-view .workspace-toolbar{min-height:54px;gap:10px;padding-block:7px;flex-wrap:wrap}.workspace-toolbar>.back-link{min-width:0;max-width:30%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace-toolbar>.back-link>svg{flex:none}.workspace-toolbar>b{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--type-small)}.workspace-toolbar .workspace-focus-toggle{margin-left:0;flex:none}.workspace-toolbar>.problem-navigation{flex:none;margin-left:0}.workspace-run-controls{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex:none;max-width:100%;min-width:0}.workspace-run-state{display:flex;align-items:center;gap:7px;min-width:0;max-width:230px;color:var(--muted);font-size:var(--type-meta);line-height:1.5}.workspace-run-state>.spinner{flex:none}.workspace-run-controls .editor-run-actions{align-items:center;gap:7px}.workspace-run-controls .run-button{min-height:44px;padding:9px 16px;border-radius:8px;font-size:var(--type-body);white-space:nowrap}.workspace-run-controls .run-button>svg{flex:none}.workspace-run-controls .workspace-stop-button{min-height:36px}.workspace .pane-tabs,.workspace .editor-tools{box-sizing:border-box;height:var(--workspace-band);min-height:var(--workspace-band)}.workspace .pane-tabs{padding-inline:8px;gap:2px;align-items:stretch;background:linear-gradient(var(--surface),var(--surface))}.workspace .pane-tabs>button,.workspace .pane-tabs>a{min-height:var(--workspace-band);padding-inline:12px;transition:color .15s,background .15s}.workspace .pane-tabs>button.selected{color:var(--accent);background:color-mix(in srgb,var(--accent) 4%,var(--surface))}.workspace .pane-tabs>button.selected:after{left:12px;right:12px;height:2px;border-radius:2px 2px 0 0}.workspace .editor-tools{border-bottom:1px solid var(--line);background:var(--surface);padding-inline:16px}.workspace .editor-tools>.editor-filename{gap:8px;font-family:var(--font-mono);font-size:var(--type-small);font-weight:500;color:var(--text)}.editor-filename>svg{color:var(--accent);flex:none}.workspace .editor-tools>div{gap:6px}.workspace .editor-tools .icon-button{width:30px;height:30px;border-radius:6px}.workspace .editor-tools .icon-button:hover{background:var(--surface2)}.workspace .editor-font-size{display:inline-flex;align-items:center;gap:5px;padding:3px 5px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}.workspace .editor-font-size-select{min-height:24px;background:transparent;border:0;font-size:var(--type-meta)}.workspace .editor-code-panel .code-editor{padding-top:8px;background:var(--editor)}.workspace .editor-status{min-height:30px;gap:12px;padding:6px 16px;border-top:1px solid var(--line);background:var(--surface);line-height:1.6}.workspace .editor-status>span:first-child{flex:1;align-items:center}.workspace .editor-status>span:first-child>svg{flex:none}.workspace .editor-status>span:last-child{flex:none;opacity:.65;font-size:var(--type-caption);letter-spacing:.025em}.workspace .editor-results-panel{background:var(--surface);overscroll-behavior:contain;scrollbar-gutter:stable}.workspace .browser-judge-panel{padding:12px 16px;gap:9px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface2) 60%,var(--surface))}.judge-settings-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:32px}.judge-settings-row>label{display:flex;align-items:center;gap:10px;margin:0;color:var(--text-secondary);font-size:var(--type-small)}.judge-settings-row select{max-width:210px;min-height:36px;padding-inline:9px;border:1px solid var(--line);background:var(--surface);color:var(--text)}.judge-runtime-caption{flex:none;color:var(--muted);font-family:var(--font-mono);font-size:var(--type-caption);white-space:nowrap}.workspace .judge-runtime-details{padding-top:8px;margin-top:2px;border-top:1px solid var(--line)}.judge-runtime-details>summary{width:fit-content;min-height:36px;padding:4px 0;color:var(--text-secondary);font-size:var(--type-small);line-height:1.6;cursor:pointer}.judge-runtime-details>summary:hover{color:var(--text)}.judge-runtime-details[open]>summary{margin-bottom:8px;color:var(--text)}.workspace .judge-runtime-details>small{display:block;margin:7px 0;font-size:var(--type-small);line-height:1.8}.judge-runtime-details code{display:block;padding:10px;margin-top:8px;border:1px solid var(--line);border-radius:7px;overflow-wrap:anywhere;white-space:pre-wrap;background:var(--surface);font-size:var(--type-caption);line-height:1.7}.workspace .console{padding:16px;background:var(--surface)}.workspace .console-header{display:flex;justify-content:flex-end;min-height:24px;margin-bottom:8px}.workspace .console-header>span{gap:7px;color:var(--text);font-size:var(--type-small);font-weight:550}.workspace .console-header .text-button{display:inline-flex;align-items:center;gap:5px;min-height:36px}.workspace .console>p{color:var(--muted);font-size:var(--type-small);line-height:1.85;margin:0}.console-result-meter{height:4px;margin-top:14px;border-radius:8px;background:var(--surface3);overflow:hidden}.console-result-meter>span{display:block;height:100%;background:var(--muted);border-radius:inherit}.console-result-meter[data-current=true]>span{background:var(--accent)}.console-result-meter[data-current=true][data-passed=true]>span{background:var(--green)}.workspace-stop-button{display:inline-flex;align-items:center;justify-content:center;gap:5px;flex:none;min-height:36px;padding:6px 10px;border:1px solid var(--line);border-radius:7px;color:var(--text-secondary);background:var(--surface);font-size:var(--type-small)}.workspace-stop-button:hover{color:var(--red);border-color:color-mix(in srgb,var(--red) 40%,var(--line));background:color-mix(in srgb,var(--red) 4%,var(--surface))}.workspace .description-scroll{scroll-padding-top:24px}.workspace .problem-heading{margin-bottom:22px}.workspace .problem-heading h1{font-size:clamp(22px,1.75vw,27px);line-height:1.45;overflow-wrap:anywhere}.workspace .module-scope-card{margin-block:20px}.workspace .prose pre{border:1px solid var(--line)}.workspace .prose blockquote{border-left-width:3px;border-radius:0 8px 8px 0;padding:12px 16px;background:var(--surface2)}.workspace .prose .katex-display{margin-block:20px;padding:12px 4px}.workspace .split-handle-grip{opacity:.65;transition:opacity .15s,background .15s}.workspace .split-handle:hover .split-handle-grip,.workspace .split-handle:focus-visible .split-handle-grip{opacity:1}@media(min-width:851px)and (max-width:1150px){.workspace .pane-tabs>button,.workspace .pane-tabs>a{padding-inline:9px;font-size:var(--type-small)}.judge-runtime-caption,.workspace .run-shortcut{display:none}.workspace-run-state{max-width:160px}}@media(max-width:850px){.workspace-toolbar>.back-link{max-width:45%}.workspace-toolbar .workspace-focus-toggle{display:none}.workspace-view .workspace-toolbar{row-gap:8px}.workspace-view .workspace-toolbar>b{display:block;order:1;flex:1 0 100%;white-space:normal;overflow-wrap:anywhere;line-height:1.45}.workspace-toolbar>.problem-navigation{margin-left:auto}.workspace-toolbar>.workspace-run-controls{order:1;flex:1 0 100%;flex-wrap:wrap}.workspace-run-state{flex:1 1 120px;max-width:none;margin-right:auto}.workspace-run-controls .editor-run-actions{justify-content:flex-end}.workspace .editor-tools,.workspace .editor-status,.workspace .browser-judge-panel,.workspace .console{padding-inline:14px}.workspace .description-scroll{scroll-padding-top:16px}}@media(max-width:600px){.workspace-view{--workspace-band:46px}.workspace-view .workspace-toolbar{min-height:48px;padding-inline:14px;gap:8px}.workspace-toolbar>b{display:none}.workspace .pane-tabs>button,.workspace .pane-tabs>a{padding-inline:10px}.workspace .editor-status>span:last-child,.judge-runtime-caption{display:none}.workspace-run-controls{gap:8px}.workspace-run-controls .editor-run-actions{flex:1}.workspace-run-controls .run-button{min-height:44px;padding-inline:12px}.workspace-run-state{font-size:var(--type-small)}.workspace-stop-button{padding-inline:8px;font-size:var(--type-small)}.workspace .judge-settings-row>label{width:100%;justify-content:space-between}.workspace .judge-settings-row select{max-width:65%}}@media(pointer:coarse){.workspace-layout-trigger,.workspace-layout-reset,.workspace .console-header .text-button,.workspace-stop-button,.judge-settings-row select,.judge-runtime-details>summary{min-height:44px}}@media(prefers-reduced-motion:reduce){.workspace .pane-tabs>button,.workspace .pane-tabs>a,.workspace .split-handle-grip{transition:none}}.editor-actions{position:relative;margin-left:auto;color:var(--text);font:var(--type-small)/1.5 var(--font-sans)}.editor-actions>summary{display:flex;align-items:center;justify-content:center;list-style:none;width:34px;height:30px;border:1px solid transparent;border-radius:6px;color:var(--text-secondary);font-size:21px;font-weight:700;letter-spacing:2px;cursor:pointer;-webkit-user-select:none;user-select:none}.editor-actions>summary::-webkit-details-marker{display:none}.editor-actions>summary:hover,.editor-actions[open]>summary{background:var(--surface2);border-color:var(--line);color:var(--text)}.editor-actions-panel{position:absolute;top:calc(100% + 7px);right:0;z-index:30;width:320px;max-width:calc(100vw - 32px);padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:9px;box-shadow:0 6px 24px #0003}.editor-actions:not([open])>.editor-actions-panel{display:none}.editor-tool-actions{padding-bottom:5px;margin-bottom:5px;border-bottom:1px solid var(--line)}.editor-tool-actions>button,.workspace .editor-actions-panel>.icon-button,.workspace .editor-actions-panel>.editor-source-copy>button{display:flex;align-items:center;justify-content:flex-start;gap:9px;width:100%;min-height:34px;height:auto;padding:7px 9px;border-radius:5px;font:12px/1.5 var(--font-sans);text-align:left;color:var(--text-secondary)}.editor-tool-actions>button:hover:not(:disabled),.workspace .editor-actions-panel>.icon-button:hover:not(:disabled),.workspace .editor-actions-panel>.editor-source-copy>button:hover:not([aria-disabled=true]){background:var(--surface2);color:var(--text)}.editor-tool-actions>button>span{flex:1}.editor-tool-actions kbd{font:9px/1.5 var(--font-mono);color:var(--muted);white-space:nowrap}.workspace .editor-actions-panel>.editor-source-copy{display:block}.editor-actions-panel>.editor-source-copy>button:after,.editor-actions-panel>.icon-button:after{content:attr(aria-label)}.workspace .editor-actions-panel>.editor-font-size{display:flex;justify-content:space-between;border:0;padding:7px 9px;font-size:12px}.workspace .editor-actions-panel .editor-font-size-select{min-height:30px;border:1px solid var(--line);border-radius:5px;background:var(--surface2);min-width:80px;padding:4px 8px}@media(pointer:coarse){.editor-actions>summary{width:44px;height:40px}.editor-tool-actions>button,.workspace .editor-actions-panel>.icon-button,.workspace .editor-actions-panel>.editor-source-copy>button{min-height:44px}}.workspace .editor-header{display:flex;align-items:stretch;min-width:0;flex:none;border-bottom:1px solid var(--line);background:var(--surface);z-index:3}.workspace .editor-header>.editor-tabs{flex:1;min-width:0;border-bottom:0;padding-right:0;overflow-x:auto;scrollbar-width:none}.workspace .editor-header>.editor-tools{height:var(--workspace-band);min-height:var(--workspace-band);padding:0 6px;flex:none;border:0;gap:0;background:transparent}.workspace .editor-header>.editor-tools[hidden]{display:none}.workspace .editor-tab-filename{margin-left:7px;font:var(--type-small)/1.5 var(--font-mono);color:var(--muted)}.workspace .editor-header .editor-actions{align-self:center}@media(max-width:600px){.workspace .editor-tab-filename{margin-left:4px;font-size:11px}.workspace .editor-header>.editor-tabs>button{padding-inline:8px}.workspace .editor-header>.editor-tools{padding-inline:3px}}.button{gap:7px;transition:background .15s,border-color .15s,box-shadow .15s}.button>svg{flex:none}.button.subtle:hover:not(:disabled){border-color:color-mix(in srgb,var(--accent) 35%,var(--line));background:color-mix(in srgb,var(--accent) 4%,var(--surface))}:is(.social-panel,.paper-completion-card,.paper-source-card,.achievement-pins){background-clip:padding-box}@media(hover:hover){.paper-module-card:hover{border-color:color-mix(in srgb,var(--accent) 38%,var(--line));box-shadow:0 5px 18px #00000008}}.report-workflow{padding:18px;margin-bottom:24px;border:1px solid var(--line);border-radius:12px;background:linear-gradient(125deg,color-mix(in srgb,var(--accent) 4%,transparent),transparent 65%),var(--surface);box-shadow:0 3px 12px #00000004}.feedback-steps{display:flex;align-items:center;flex-wrap:wrap;gap:14px;list-style:none;padding:0;margin:0 0 18px}.feedback-steps>li{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:var(--type-small);line-height:1.6}.feedback-steps>li>svg:last-child:not(:first-child){margin-left:5px;opacity:.4}.feedback-steps>li[aria-current=step]{color:var(--accent);font-weight:600}.feedback-heading{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px}.feedback-heading>div:first-child{min-width:0;flex:1 1 240px}.feedback-eyebrow{color:var(--muted);font-size:var(--type-meta);font-weight:600;letter-spacing:.055em}.feedback-heading h3{margin:7px 0 0;font-family:var(--font-sans);font-size:var(--type-body);font-weight:600;line-height:1.8;overflow-wrap:anywhere}.feedback-error-nav{display:grid;grid-template-columns:minmax(0,1fr) 40px auto 40px;align-items:center;flex:0 1 340px;width:340px;min-width:0;max-width:100%;gap:3px;border:1px solid var(--line);border-radius:7px;background:var(--surface)}.feedback-failure-picker{width:100%;min-width:0;min-height:40px;padding:6px 26px 6px 10px;border:0;border-right:1px solid var(--line);border-radius:6px 0 0 6px;background:var(--surface);color:var(--text);font-family:var(--font-sans);font-size:var(--type-small);text-overflow:ellipsis;cursor:pointer}.feedback-failure-picker:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}.feedback-failure-picker:disabled{cursor:default;opacity:.6}.feedback-error-nav .icon-button{width:40px;height:40px;border-radius:5px}.feedback-error-nav .icon-button:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}.feedback-error-nav>span{min-width:35px;text-align:center;font-size:var(--type-meta);font-variant-numeric:tabular-nums;color:var(--muted)}.feedback-diagnostic{margin:12px 0 0;padding:10px 12px;border-left:2px solid var(--chart-5);border-radius:0 6px 6px 0;font-family:var(--font-mono);font-size:var(--type-small);line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;background:color-mix(in srgb,var(--chart-5) 4%,var(--surface))}.feedback-code-context{margin:12px 0 0;padding:8px 0;border:1px solid var(--line);border-radius:8px;background:var(--editor);overflow-x:auto;font-size:var(--type-small);line-height:1.9;-moz-tab-size:4;tab-size:4}.feedback-code-context code{display:block;min-width:fit-content}.feedback-code-context code>span{display:flex;gap:12px;padding-inline:12px;min-height:24px}.feedback-code-context i{display:block;flex:none;width:5ch;color:var(--muted);font-style:normal;text-align:right;-webkit-user-select:none;user-select:none}.feedback-code-context code>span[data-active=true]{background:color-mix(in srgb,var(--accent) 9%,var(--editor));box-shadow:inset 2px 0 var(--accent)}.feedback-code-context code>span[data-active=true]>i{color:var(--accent)}.feedback-location-note{margin:10px 0 0;color:var(--muted);font-size:var(--type-small);line-height:1.85}.feedback-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:16px}.feedback-actions>.button{min-height:40px;max-width:100%;padding:8px 12px;font-size:var(--type-small);line-height:1.5;white-space:normal;justify-content:center;border-radius:7px}.feedback-actions>.feedback-rerun{margin-left:auto}.feedback-actions .source-location-button{margin:0;color:var(--accent);border-color:color-mix(in srgb,var(--accent) 30%,var(--line))}.report-view .result-head{gap:16px;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--surface);align-items:center}.report-view .result-head h3{margin:0;font-size:17px;font-weight:600;line-height:1.6}.report-view .result-head>div{min-width:0;align-items:center;gap:10px}.report-view .result-head>div>svg{flex:none}.report-view .result-head>span{flex:none;color:var(--muted);font-size:var(--type-meta);font-variant-numeric:tabular-nums}.report-view .result-head.success{border-color:color-mix(in srgb,var(--green) 25%,var(--line));background:color-mix(in srgb,var(--green) 3%,var(--surface))}.report-view .result-head.failure{border-color:color-mix(in srgb,var(--chart-5) 22%,var(--line));background:color-mix(in srgb,var(--chart-5) 3%,var(--surface))}.report-view .result-head.previous{color:var(--muted)}.report-view:not([data-source=current]) .result-summary-meter>span{background:var(--muted)}.report-view .report-source-notice{border-radius:8px;font-size:var(--type-small);line-height:1.85}.report-view .report-meta{gap:10px;margin:16px 0;font-size:var(--type-meta);color:var(--muted)}.report-view .test-layers{gap:8px;margin-bottom:20px}.report-view .test-layers>div{padding:12px 10px;border:1px solid var(--line);border-radius:9px;background:var(--surface)}.report-view .test-layers b,.report-view .test-layers small{font-size:var(--type-small)}.report-tests .test-detail>summary{gap:10px;background:var(--surface)}.report-tests .test-detail.failed>summary{background:color-mix(in srgb,var(--chart-5) 4%,var(--surface))}.report-tests .test-detail>summary>span{flex:1;white-space:normal;overflow-wrap:anywhere;line-height:1.7}.report-tests .test-detail>summary b{padding:3px 5px;border:1px solid var(--line);border-radius:5px;font-size:var(--type-meta);font-weight:500;color:var(--muted)}.report-tests .test-detail>summary small{flex:none;color:var(--muted);font-variant-numeric:tabular-nums;font-size:var(--type-meta)}.report-tests .test-body{padding:16px;background:var(--surface)}.failure-insight{padding:12px;border:1px solid color-mix(in srgb,var(--chart-5) 17%,var(--line));border-radius:8px;background:color-mix(in srgb,var(--chart-5) 3%,var(--surface))}.failure-insight>span{color:var(--chart-5);font-size:var(--type-meta);font-weight:600;letter-spacing:.04em}.failure-insight>p{margin:7px 0 0;font-family:var(--font-mono);font-size:var(--type-small);line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere}.failure-insight .source-location-button{min-height:40px;margin:10px 0 0;padding:8px 12px;border-radius:6px;font-size:var(--type-small)}.failure-trace{margin-top:12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);overflow:hidden}.failure-trace>summary{min-height:44px;padding:10px 12px;color:var(--text-secondary);font-size:var(--type-small);line-height:1.8;cursor:pointer}.failure-trace>summary:hover{color:var(--text);background:var(--surface2)}.failure-trace-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding:6px 12px;border-block:1px solid var(--line);background:var(--surface2);color:var(--muted);font-size:var(--type-caption)}.failure-trace-toolbar>button{display:inline-flex;align-items:center;gap:5px;min-height:40px;font-size:var(--type-small)}.failure-trace .failure-message{margin:0;padding:12px;border:0;border-radius:0;max-height:340px;overflow:auto;font-size:var(--type-small);line-height:1.9;background:var(--surface);color:var(--text-secondary)}.diagnostic-copy-status{margin:0;padding:7px 12px;color:var(--muted);font-size:var(--type-small)}.test-body .test-why{display:flex;flex-direction:column;gap:5px;padding:12px;margin:14px 0 0;border-radius:8px;background:var(--surface2);font-size:var(--type-small);line-height:1.9;color:var(--text-secondary)}.test-why>b{color:var(--text-secondary);font-size:var(--type-small);font-weight:550}.test-body .test-comparison{margin-top:14px;padding:14px;border-radius:9px;border-color:var(--line)}.test-comparison .comparison-values{gap:10px}.test-comparison .comparison-values>div{padding:12px;border:1px solid var(--line);border-radius:7px;background:var(--surface)}.test-comparison .comparison-values dd{margin-top:6px;font-family:var(--font-mono);font-size:var(--type-body);overflow-wrap:anywhere}.test-comparison .comparison-values>div:last-child{border-color:color-mix(in srgb,var(--chart-5) 25%,var(--line))}.report-tests .test-outcome-switch{max-width:100%;flex-wrap:wrap}.report-tests .test-outcome-switch button{min-height:40px}.report-tests .test-outcome-switch button>span{font-size:var(--type-meta)}.report-tests .test-layer-filter{min-width:0;max-width:100%}.report-tests .test-layer-filter select{min-height:40px;min-width:0;max-width:100%}.report-test-actions{flex-wrap:wrap;font-size:var(--type-small)}.report-test-actions .text-button,.test-filter-empty>.text-button{min-height:40px;font-size:var(--type-small)}.report-tests .test-detail>summary:focus-visible,.failure-trace>summary:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}.report-tests .test-layer-filter select:focus-visible{outline-offset:-3px}.workspace .cm-editor.cm-focused .cm-activeLine{background:color-mix(in srgb,var(--accent) 7%,transparent);box-shadow:inset 2px 0 color-mix(in srgb,var(--accent) 60%,transparent)}.workspace .cm-activeLineGutter{color:var(--accent)}@media(max-width:600px){.report-workflow{padding:14px;border-radius:10px}.feedback-steps{gap:9px;margin-bottom:14px}.feedback-steps>li{gap:4px}.feedback-steps>li>svg:last-child:not(:first-child){margin-left:0}.feedback-heading{flex-wrap:wrap}.feedback-error-nav{width:100%}.feedback-heading h3{font-size:var(--type-body)}.feedback-actions{gap:7px}.feedback-actions>.button{flex:1 1 auto;justify-content:center;min-height:40px}.feedback-actions>.feedback-rerun{width:100%;margin-left:0}.report-view .result-head{padding:14px;flex-wrap:wrap;gap:10px}.report-view .result-head h3{font-size:var(--type-body)}.report-view .test-layers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.report-tests .test-body{padding:12px}.report-tests .test-detail>summary{gap:7px;padding-inline:10px}.failure-trace-toolbar>span{display:none}.failure-trace-toolbar>button{margin-left:auto}.test-comparison .comparison-values{grid-template-columns:minmax(0,1fr)}}@media(prefers-reduced-motion:reduce){.button{transition:none}}@media(pointer:coarse){.feedback-error-nav{grid-template-columns:minmax(0,1fr) 44px auto 44px}.feedback-failure-picker,.feedback-error-nav .icon-button,.feedback-actions>.button,.failure-insight .source-location-button,.failure-trace-toolbar>button,.report-tests .test-outcome-switch button,.report-tests .test-layer-filter select,.report-test-actions .text-button,.test-filter-empty>.text-button{min-height:44px}.feedback-error-nav .icon-button{width:44px;height:44px}.feedback-failure-picker,.report-tests .test-layer-filter select{font-size:var(--type-body)}}html{scrollbar-gutter:stable}.app>.topbar{position:relative;z-index:60}.topbar .nav-actions{gap:8px}.topbar .nav-inner>nav{gap:4px}.topbar .nav-inner>nav>:is(a,button){display:inline-flex;justify-content:center;box-sizing:border-box;flex:none;min-width:0;padding-inline:12px;white-space:nowrap;font-weight:600}.topbar .nav-inner>nav .bilingual-text{text-align:center}.topbar .nav-inner>nav>.active:after{left:12px;right:12px;bottom:0;height:3px;border-radius:3px 3px 0 0}.topbar .nav-inner>nav>:is(a,button):hover:not(:disabled){color:var(--text);background:color-mix(in srgb,var(--text) 3%,transparent)}.topbar .nav-inner>nav>:is(a,button):focus-visible{outline-offset:-5px;border-radius:6px}.account-menu{position:relative;flex:none}.header-signin-cta{display:inline-flex;align-items:center;justify-content:center;flex:none;min-height:36px;padding:6px 12px;border-radius:8px;background:var(--primary-bg);color:var(--primary-text);font-size:var(--type-small);font-weight:600;white-space:nowrap}.header-signin-cta:hover{filter:brightness(1.08)}.header-signin-cta:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.account-menu-trigger{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid transparent;border-radius:50%;background:transparent;padding:3px;flex:none}.account-menu-trigger:hover,.account-menu-trigger[aria-expanded=true]{background:var(--surface2);border-color:var(--line);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 7%,transparent)}.account-menu-trigger .social-avatar{flex:none}.guest-avatar{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--surface3);color:var(--text-secondary);font-size:var(--type-body);font-weight:600}.account-menu-panel{position:absolute;top:calc(100% + 12px);right:0;z-index:80;width:360px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 80px);overflow-y:auto;overscroll-behavior:contain;box-sizing:border-box;padding:10px;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--text);box-shadow:0 8px 24px #00000012,0 24px 64px #0000000d;scrollbar-width:thin;transform-origin:top right}.account-menu-panel:focus{outline:none}.account-menu-identity{display:flex;align-items:center;gap:12px;padding:16px 12px;border-radius:10px;background:linear-gradient(120deg,color-mix(in srgb,var(--accent) 8%,var(--surface)),var(--surface))}a.account-menu-identity:hover{background:var(--surface2)}.account-menu-identity-avatar{display:flex;align-items:center;justify-content:center;flex:none;width:46px;height:46px;border-radius:50%;color:var(--muted);background:var(--surface3)}.account-menu-identity>span:nth-child(2){min-width:0;flex:1}.account-menu-identity b{display:block;font-size:var(--type-lead);font-weight:650;line-height:1.5;overflow-wrap:anywhere}.account-menu-identity small{display:block;margin-top:3px;color:var(--muted);font-size:var(--type-meta);line-height:1.6;overflow-wrap:anywhere}.account-menu-identity>svg{color:var(--muted);flex:none}.account-menu-signin.button{display:flex;justify-content:center;min-height:36px;margin:8px 4px 12px;font-size:var(--type-small)}.account-menu-shortcuts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:12px 4px 16px}.account-menu-shortcuts>:is(a,button){display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:92px;padding:10px 3px;border:1px solid transparent;border-radius:10px;background:var(--surface2);color:var(--text-secondary);font-size:var(--type-meta);text-align:center}.account-menu-shortcuts>:is(a,button)>svg{color:var(--accent)}.account-menu-shortcuts>:is(a,button):hover:not(:disabled){border-color:color-mix(in srgb,var(--accent) 22%,var(--line));background:color-mix(in srgb,var(--accent) 6%,var(--surface));color:var(--text)}.account-menu-preferences{border-block:1px solid var(--line);padding:10px 4px}.account-menu-preference{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 8px}.account-menu-preference>span{display:inline-flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:var(--type-small)}.account-menu-preference>span>svg{color:var(--muted);flex:none}.account-menu-segment{display:inline-flex;flex:none;gap:2px;padding:3px;border-radius:7px;background:var(--surface2)}.account-menu-segment>button{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-width:48px;min-height:28px;padding:4px 8px;border-radius:5px;color:var(--muted);font-size:var(--type-meta)}.account-menu-segment>button[aria-pressed=true]{background:var(--surface);color:var(--text);box-shadow:0 1px 4px #00000012}.account-menu-segment>button:hover:not(:disabled){color:var(--text)}.account-menu-links{padding-block:8px}.account-menu-row{display:flex;align-items:center;width:100%;box-sizing:border-box;min-height:48px;padding:12px 14px;gap:10px;border-radius:7px;color:var(--text-secondary);text-align:left;font-size:var(--type-body)}.account-menu-row>svg{flex:none;color:var(--muted)}.account-menu-row>span{flex:1}.account-menu-row:hover:not(:disabled){background:var(--surface2);color:var(--text)}.account-menu-logout{border-top:1px solid var(--line);padding-top:7px}.account-menu-signout:hover:not(:disabled),.account-menu-signout:hover:not(:disabled)>svg{color:var(--red)}.account-menu-error{padding:6px 12px;color:var(--red);font-size:var(--type-meta);line-height:1.6;overflow-wrap:anywhere}.account-menu-footnote{padding:8px 12px 2px;margin:0;color:var(--muted);font-size:var(--type-caption);text-align:center;line-height:1.7}@media(max-width:600px){.header-signin-cta{padding-inline:8px;font-size:var(--type-meta)}.topbar .nav-actions{flex-wrap:wrap;justify-content:flex-end;min-width:0;max-width:calc(100vw - 70px);padding-block:4px}.topbar .nav-inner>nav>:is(a,button){padding-inline:10px}.topbar .nav-inner>nav>.active:after{left:10px;right:10px}.account-menu-panel{top:calc(100% + 8px)}}@media(max-width:360px){.topbar .nav-actions{gap:4px}}@media(prefers-reduced-motion:no-preference){.account-menu-panel{animation:account-menu-enter .16s ease-out both}@keyframes account-menu-enter{0%{opacity:0;transform:translateY(-5px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}}.home.paper-library{max-width:1480px;padding-top:32px}.paper-library .practice-start,.paper-library .practice-start[data-returning]{padding:32px;gap:36px;margin-bottom:28px;border-radius:14px;box-shadow:none;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}.paper-library .practice-start h2{margin:10px 0;font-size:clamp(28px,2.4vw,36px);letter-spacing:-.025em}.paper-library .practice-start-copy>.journey-kicker{padding:0;border:0;background:transparent;font-size:var(--type-meta)}.paper-library .practice-start-copy>p{max-width:560px;font-size:var(--type-body);line-height:1.8}.paper-library .journey-steps{margin-top:14px;gap:8px 18px}.paper-library .journey-links{margin-top:16px}.paper-library .practice-start .practice-recommendation{padding:4px 0 4px 28px;border:0;border-left:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none}.paper-library .practice-recommendation h3{margin:10px 0;font-size:20px}.paper-library .practice-recommendation>p{display:none}.paper-library .practice-recommendation .journey-meta{margin:10px 0}.paper-library .practice-recommendation>small{font-size:var(--type-meta)}.paper-library .journey-completion{margin-top:12px}.paper-library .featured-collections{margin-bottom:28px}.paper-library .collections-heading{margin-bottom:12px}.paper-library .collections-heading h2{font-size:var(--type-title)}.paper-library .collection-rail{gap:14px;grid-auto-columns:calc((100% - 42px)/4)}.paper-library .collection-card{height:156px;padding:24px;border-radius:10px}.paper-library .collection-copy{padding:0}.paper-library .collection-copy h3{max-width:calc(100% - 28px);margin:0;font-size:22px;line-height:1.35}.paper-library .collection-learning-progress{left:20px;right:20px;bottom:22px;font-size:var(--type-small)}.paper-library .collection-art{width:108px;height:108px;bottom:-8px;opacity:.3}.paper-library .collection-open{top:17px;right:14px;width:25px;height:25px}.collection-page-header{margin-bottom:28px}.collection-page-header>.back-link{margin:0 0 22px}.collection-page-title-row{display:flex;align-items:center;justify-content:space-between;gap:24px}.collection-page-identity{display:flex;align-items:center;gap:16px;min-width:0}.collection-page-mark{display:grid;place-items:center;flex:0 0 56px;height:56px;border-radius:12px;color:#fff}.collection-page-identity h1{font-size:clamp(26px,2.6vw,34px);line-height:1.25;font-weight:650;letter-spacing:-.035em}.collection-page-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:7px;color:var(--muted);font-size:var(--type-small);font-variant-numeric:tabular-nums}.collection-practice{flex-shrink:0}.paper-library .library-heading h2{font-size:19px;font-weight:600;letter-spacing:-.025em}.library-layout{display:grid;grid-template-columns:minmax(0,1fr) 264px;gap:32px;align-items:start}.library-main{min-width:0;scroll-margin-top:84px}.paper-library .library-heading{min-height:36px;margin-bottom:16px}.paper-library .library-heading h1{font-size:28px;letter-spacing:-.035em}.paper-library .library-progress{font-size:var(--type-meta)}.paper-library .paper-categories{gap:7px;margin-bottom:16px}.paper-library .paper-categories button{min-height:42px;padding:8px 14px;font-size:var(--type-body);border:1px solid var(--line);border-radius:7px;background:var(--surface)}.paper-library .paper-categories button[aria-pressed=true]{background:var(--text);border-color:var(--text);color:var(--bg)}.paper-library .library-toolbar{flex-wrap:wrap;padding:10px;border-radius:10px;box-shadow:none;gap:8px}.paper-library .library-toolbar .search{flex:1 1 220px;min-width:100px;height:44px}.paper-library .library-toolbar .filter-bar{flex:0 1 auto;gap:6px}.paper-library .library-toolbar .select-wrap{height:44px;padding-inline:8px}.paper-library .library-toolbar .select-wrap select{width:128px;max-width:176px;font-size:var(--type-control)}.paper-library .random-problem{min-height:44px;padding-inline:12px}.paper-library .library-results{min-height:52px;font-size:var(--type-meta)}.library-result-actions{gap:10px}.library-density{display:flex;padding:2px;gap:2px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}.library-density button{display:grid;place-items:center;width:28px;height:26px;color:var(--muted);border-radius:4px}.library-density button:hover{background:var(--surface2);color:var(--text)}.library-density button[aria-pressed=true]{background:var(--surface2);color:var(--text);box-shadow:0 1px 3px #00000010}.paper-library .paper-table-grid{grid-template-columns:32px minmax(0,1fr) 64px 104px 16px;gap:16px;padding-inline:16px}.paper-library .table-head{height:46px;background:var(--surface2)}.paper-library .table-head>span:first-child{white-space:nowrap;font-size:var(--type-caption)}.paper-library .paper-result-group{border-bottom:1px solid var(--line)}.paper-library .paper-result-group:last-child{border-bottom:0}.paper-library .problem-row{min-height:88px;padding-block:18px;border-bottom:0}.paper-library .paper-result-group:nth-child(2n)>.problem-row{background:color-mix(in srgb,var(--surface2) 32%,var(--surface))}.paper-library .paper-result-group>.problem-row:hover{background:color-mix(in srgb,var(--accent) 7%,var(--surface))}.paper-library .paper-info strong{font-size:var(--type-list-title);line-height:1.55;letter-spacing:0;gap:7px;color:var(--text)}.paper-library .paper-info small{font-size:var(--type-small);line-height:1.6}.paper-library .paper-year{color:var(--muted);font-size:var(--type-small);font-variant-numeric:tabular-nums}.paper-library .paper-row-progress{font-size:var(--type-small);font-variant-numeric:tabular-nums}.paper-library .matching-modules{padding:8px 16px 12px 60px;background:var(--surface)}.library-main[data-density=compact] .problem-row{min-height:64px;padding-block:12px}.library-main[data-density=compact] .paper-info small{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.library-overview{position:sticky;top:86px;display:grid;gap:16px}.library-progress-card{padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.library-progress-card>header{display:flex;align-items:center;justify-content:space-between;gap:8px}.library-progress-card h2{font-size:18px;font-weight:600}.library-progress-card>header>svg{color:var(--green)}.library-progress-card>p{margin-top:6px;color:var(--muted);font-size:var(--type-meta)}.library-progress-ring{display:grid;place-items:center;width:140px;height:140px;margin:22px auto;padding:6px;border-radius:50%}.library-progress-ring>div{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;border:5px solid var(--surface);border-radius:50%;background:var(--surface)}.library-progress-ring b{font-size:30px;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.35;letter-spacing:-.04em}.library-progress-ring b>span{color:var(--muted);font-size:var(--type-small);font-weight:400;letter-spacing:0}.library-progress-ring small{margin-top:4px;color:var(--green);font-size:var(--type-meta)}.library-progress-summary{display:grid;gap:9px;margin-bottom:20px;font-size:var(--type-meta);color:var(--muted)}.library-progress-summary>span{display:flex;align-items:center;gap:7px}.library-progress-summary i{width:6px;height:6px;border-radius:50%;background:var(--accent)}.library-progress-summary>span:last-child i{background:var(--surface3)}.library-progress-summary b{margin-left:auto;color:var(--text);font-weight:500;font-variant-numeric:tabular-nums}.library-difficulty-list{display:grid;gap:4px;padding-top:14px;border-top:1px solid var(--line)}.difficulty-summary{--difficulty-color: var(--green);display:grid;grid-template-columns:1fr auto;gap:8px;padding:9px 8px;margin-inline:-8px;border:1px solid transparent;border-radius:6px;text-align:left;font-size:var(--type-small)}.difficulty-summary.M{--difficulty-color: var(--accent)}.difficulty-summary.H{--difficulty-color: var(--chart-5)}.difficulty-summary:hover,.difficulty-summary[aria-pressed=true]{background:var(--surface2);border-color:var(--line)}.difficulty-summary>span{color:var(--difficulty-color)}.difficulty-summary>b{font-size:var(--type-meta);font-weight:500;font-variant-numeric:tabular-nums}.difficulty-summary small{color:var(--muted);font-size:var(--type-caption);font-weight:400}.difficulty-summary>div{grid-column:1 / -1;height:3px;background:var(--surface3);border-radius:3px;overflow:hidden}.difficulty-summary i{display:block;height:100%;background:var(--difficulty-color)}.workspace-view .workspace-toolbar{min-height:48px}.workspace-view .workspace{padding-top:0}.workspace .pane-tabs{--workspace-band: 52px}.workspace .pane-tabs>[role=tab]{min-height:52px;font-size:var(--type-body)}.workspace .pane-tabs>[role=tab][aria-selected=true]{background:var(--surface2);color:var(--text)}.workspace .pane-tabs>[role=tab][aria-selected=true]>svg{color:var(--accent)}.workspace .pane-tabs>[role=tab]:focus-visible{outline-offset:-4px;border-radius:5px}.workspace .editor-tools{height:52px;min-height:52px}.workspace .description-scroll{padding:24px}.workspace .problem-heading h1{font-size:clamp(25px,2vw,30px)}.workspace .module-scope-card{padding:17px 18px}.workspace .editor-lab[hidden]{display:none}.workspace .editor-code-panel{min-width:0}.workspace .pane-tabs{scrollbar-width:none}.workspace .pane-tabs::-webkit-scrollbar{display:none}@media(max-width:1199px){.library-layout{grid-template-columns:minmax(0,1fr)}.library-overview{display:none}}@media(max-width:1050px){.paper-library .collection-rail{grid-auto-columns:calc((100% - 14px)/2)}}@media(min-width:851px)and (max-width:1050px){.paper-library .library-toolbar .search{flex-basis:100%}.paper-library .library-toolbar .filter-bar,.paper-library .library-toolbar .select-wrap{flex:1}.paper-library .library-toolbar .select-wrap select{width:100%}}@media(max-width:850px){.paper-library .library-toolbar .search{flex:1 1 180px}.paper-library .library-toolbar .filter-bar{flex:1 1 100%}.paper-library .library-toolbar .filter-bar:not([data-expanded=true]){display:none}.paper-library .library-toolbar .filter-bar[data-expanded=true]{display:flex;order:3}.paper-library .library-toolbar .select-wrap{flex:1}.paper-library .library-toolbar .select-wrap select{width:100%}.paper-library .library-filter-toggle{display:inline-flex;align-items:center;gap:6px;min-height:44px}.paper-library .random-problem{flex:none;width:auto;border:1px solid var(--line)}.paper-library .library-toolbar .search input{font-size:var(--type-body)}}@media(max-width:700px){.home.paper-library{padding-top:18px}.collection-page-header{margin-bottom:24px}.collection-page-header>.back-link{margin-bottom:18px}.collection-page-title-row{flex-wrap:wrap;gap:18px}.collection-page-identity{gap:12px}.collection-page-mark{flex-basis:46px;height:46px;border-radius:10px}.collection-page-identity h1{font-size:25px}.collection-practice{margin-left:58px}.paper-library .practice-start,.paper-library .practice-start[data-returning]{padding:20px;grid-template-columns:minmax(0,1fr);gap:18px;margin-bottom:24px}.paper-library .practice-start h2{font-size:25px}.paper-library .practice-start .practice-recommendation{padding:18px 0 0;border-left:0;border-top:1px solid var(--line)}.paper-library .practice-recommendation .button{width:auto}.paper-library .collection-rail{grid-auto-columns:80%;gap:12px}.paper-library .library-heading h1{font-size:26px}.paper-library .library-progress>span{display:none}.paper-library .paper-categories{flex-wrap:nowrap;margin-bottom:12px}.paper-library .library-results{gap:8px;flex-wrap:wrap}.paper-library .library-result-actions{flex-wrap:wrap;gap:8px}.paper-library .library-sort select{max-width:114px}.paper-library .library-toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto 44px}.paper-library .library-toolbar .search{grid-area:1 / 1;min-width:0}.paper-library .library-filter-toggle{grid-area:1 / 2;padding-inline:8px}.paper-library .library-toolbar .filter-bar{grid-area:2 / 1 / 3 / -1;width:100%}.paper-library .random-problem{grid-area:1 / 3;justify-content:center;width:44px;height:44px;min-height:44px;padding:0;margin:0;border:1px solid var(--line);border-radius:6px}.paper-library .random-problem>span,.paper-library .search kbd{display:none}.paper-library .paper-table-grid{grid-template-columns:20px minmax(0,1fr) 66px 12px;gap:8px;padding-inline:12px}.paper-library .paper-year{display:none}.paper-library .problem-row{min-height:88px}.paper-library .paper-info strong{font-size:var(--type-list-title)}.paper-library .matching-modules{padding-left:40px}.paper-library .library-toolbar .select-wrap select{font-size:var(--type-body)}.workspace .description-scroll{padding:20px 16px}}@media(max-width:380px){.paper-library .library-results{align-items:flex-start}.paper-library .library-result-actions{width:100%;justify-content:space-between}.paper-library .paper-table-grid{gap:6px;padding-inline:9px}}:root{--control-radius:8px;--control-focus:color-mix(in srgb,var(--accent) 24%,transparent)}:where(button,a[href],summary):focus-visible{outline:2px solid var(--accent);outline-offset:3px}:where(input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=color]):not([type=file]),select,textarea):focus-visible{outline:2px solid var(--accent);outline-offset:2px}button:disabled{cursor:not-allowed}.button{min-height:44px;border-radius:var(--control-radius);transition:background-color .15s,border-color .15s,box-shadow .15s}.button:disabled{opacity:.5;filter:none}.button:disabled:hover{filter:none}.button:active:not(:disabled){box-shadow:inset 0 0 0 1px color-mix(in srgb,currentColor 18%,transparent)}button[aria-busy=true],button:disabled[aria-busy=true]{cursor:progress}:where(input,textarea)::placeholder{opacity:1}:where(.social-page,.profile-page,.settings-page,.community-page,.interview-hub) :is(input:not([type]),input[type=text],input[type=search],input[type=email],input[type=password],input[type=url],input[type=number],select,textarea){border-radius:var(--control-radius);line-height:1.6}:where(.social-page,.profile-page,.settings-page,.community-page,.interview-hub) :is(input:not([type]),input[type=text],input[type=search],input[type=email],input[type=password],input[type=url],input[type=number],select){min-height:44px}:where(.social-page,.profile-page,.settings-page,.community-page,.interview-hub,.paper-library) :is(input,select,textarea):disabled{opacity:.55;cursor:not-allowed}:where(.social-page,.profile-page,.settings-page,.community-page,.interview-hub,.paper-library) :is(input,select,textarea)[aria-invalid=true]{border-color:var(--chart-5)}:where(.community-query,.interview-search,.company-choice-search):focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--control-focus)}.paper-library .library-toolbar{padding:12px;gap:10px;background:var(--surface2);border:1px solid var(--line);border-radius:12px}.paper-library .library-toolbar :is(.search,.select-wrap){border:1px solid var(--line);border-radius:var(--control-radius);background:var(--surface);transition:border-color .15s,box-shadow .15s}.paper-library .library-toolbar :is(.search,.select-wrap):focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--control-focus)}.paper-library .library-toolbar :is(.search input,.select-wrap select):focus-visible{outline:none}.paper-library .library-toolbar .search{height:auto;min-height:46px}.paper-library .library-toolbar .search input{line-height:1.6;min-height:44px;min-width:0;color:var(--text)}.paper-library .library-toolbar .search>svg{flex-shrink:0}.paper-library .library-toolbar .search:focus-within>svg{color:var(--accent)}.paper-library .library-toolbar .select-wrap{position:relative;height:auto;min-height:46px;padding:0;min-width:0;width:128px;flex:1 1 128px}.paper-library .library-toolbar .select-wrap select{width:100%;max-width:none;min-width:0;min-height:44px;padding:8px 28px 8px 12px;border-radius:var(--control-radius);text-overflow:ellipsis}.paper-library .library-toolbar .select-wrap>svg{position:absolute;right:10px;pointer-events:none}.paper-library :is(.select-wrap,.library-sort)[data-active=true]{border-color:color-mix(in srgb,var(--accent) 55%,var(--line));background:color-mix(in srgb,var(--accent) 7%,var(--surface));color:var(--accent)}.paper-library .search-clear{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border-radius:6px;color:var(--muted);flex-shrink:0}.paper-library .search-clear:hover{background:var(--surface2);color:var(--text)}.paper-library .search input::-webkit-search-cancel-button{-webkit-appearance:none}.paper-library .library-results{gap:12px;flex-wrap:wrap;padding:14px 2px;font-size:var(--type-small)}.paper-library .library-result-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.paper-library .library-sort{display:inline-flex;align-items:center;gap:6px;padding-inline:9px;border:1px solid var(--line);border-radius:var(--control-radius);background:var(--surface);color:var(--muted)}.paper-library .library-sort select{min-height:44px;max-width:180px;padding:7px 3px;background:transparent;font-size:var(--type-control)}.paper-library .library-sort:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--control-focus)}.paper-library .library-sort select:focus-visible{outline:none}.paper-library .library-density{padding:4px;gap:3px;border-radius:9px;background:var(--surface2)}.paper-library .library-density button{width:44px;height:44px;border-radius:6px;box-shadow:none}.paper-library .library-density button[aria-pressed=true]{background:var(--surface);color:var(--accent);box-shadow:0 1px 3px #00000012}.paper-library .problem-rows{border:1px solid var(--line);border-top:0;border-radius:0 0 10px 10px}.paper-library .table-head{border:1px solid var(--line);border-radius:9px 9px 0 0;font-weight:550;color:var(--text-secondary)}.paper-library .problem-row{transition:background-color .15s}.paper-library .problem-row:focus-visible{outline-offset:-3px;background:var(--surface2)}.paper-library .paper-result-group:focus-within>.problem-row{background:color-mix(in srgb,var(--accent) 7%,var(--surface))}.paper-library .problem-row:active{background:color-mix(in srgb,var(--accent) 12%,var(--surface))}.paper-library .problem-row>svg:last-child{transition:transform .15s,color .15s}.paper-library .problem-row:is(:hover,:focus-visible)>svg:last-child{transform:translate(2px);color:var(--accent)}.paper-library .paper-info{min-width:0}.paper-library .paper-info :is(strong,small){overflow-wrap:anywhere}.paper-library .library-filter-toggle[aria-expanded=true]{border-color:var(--accent);color:var(--accent);background:var(--surface)}.paper-library .library-filter-toggle[aria-expanded=true]>svg:last-child{transform:rotate(180deg)}.paper-library .paper-info strong>span:first-child{font-variant-numeric:tabular-nums;color:var(--muted)}.paper-library .active-filters{gap:8px;margin:0 0 14px}.paper-library .active-filters button{display:inline-flex;align-items:center;gap:7px;min-height:36px;padding:6px 10px;border:1px solid var(--line);background:var(--surface);border-radius:7px;font-size:var(--type-small)}.paper-library .active-filters button:hover{border-color:var(--accent);color:var(--accent)}@media(pointer:coarse){.paper-library .library-density button{width:44px;height:44px}.paper-library :is(.search-clear,.library-sort select,.active-filters button){min-height:44px}}@media(max-width:600px){.paper-library .library-toolbar{padding:9px;gap:8px}.paper-library .library-result-actions{margin-left:auto}.paper-library .library-density{display:flex}.paper-library .library-sort select{max-width:140px}.paper-library .library-results{gap:10px}.paper-library .library-result-summary{flex-basis:100%}}@media(prefers-reduced-motion:reduce){.paper-library .library-toolbar :is(.search,.select-wrap),.paper-library .problem-row,.paper-library .problem-row>svg:last-child,.button,button{transition:none}.paper-library .problem-row:is(:hover,:focus-visible)>svg:last-child{transform:none}}.paper-library .library-result-actions>.text-button{min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:var(--control-radius)}.library-page-fallback{display:flex;align-items:center;justify-content:center;gap:18px;padding:18px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}.library-page-fallback .text-button{min-height:44px;padding:8px 12px}.paper-library .collections-heading{min-height:44px}.paper-library .collection-controls button{width:44px;height:44px}.library-collections-placeholder{height:212px;margin-bottom:28px;border-radius:10px;background:var(--surface2)}@media(max-width:520px){.paper-library .library-toolbar .filter-bar[data-expanded=true]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.paper-library .library-toolbar .filter-bar>.select-wrap{width:auto}.paper-library .library-toolbar .filter-bar>.select-wrap:first-child{grid-column:1/-1}.paper-library .library-result-actions{flex:1 1 100%;justify-content:space-between;margin-left:0}.paper-library .library-result-actions .library-sort{flex:1;min-width:0}.paper-library .library-sort select{max-width:none;width:100%;min-width:0}.paper-library .library-result-summary{line-height:1.8}}.paper-library .library-view-switch{display:flex;align-items:center;gap:3px;padding:4px;border:1px solid var(--line);border-radius:var(--control-radius);background:var(--surface2)}.paper-library .library-view-switch button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:8px 12px;border-radius:7px;color:var(--muted);font-size:var(--type-small);white-space:nowrap;transition:background .15s,color .15s,box-shadow .15s}.paper-library .library-view-switch button:hover{color:var(--text);background:var(--surface)}.paper-library .library-view-switch button[aria-pressed=true]{color:var(--accent);background:var(--surface);box-shadow:0 1px 3px #00000012}.paper-library .library-view-switch button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.paper-library .library-module-source{display:block;margin-top:5px;color:var(--muted);font-size:var(--type-small);line-height:1.5}@media(pointer:coarse){.paper-library .library-view-switch button{min-height:44px}}@media(max-width:520px){.paper-library .library-view-switch{flex:1 1 100%}.paper-library .library-view-switch button{flex:1}.paper-library .library-result-actions{flex-shrink:1;min-width:0}}@media(prefers-reduced-motion:reduce){.paper-library .library-view-switch button{transition:none}}:where(.social-page,.profile-page,.settings-page,.community-page,.interview-hub) :is(input:not([type]),input[type=text],input[type=search],input[type=email],input[type=password],input[type=url],input[type=number],select,textarea):hover:not(:disabled):not(:focus-visible):not([aria-invalid=true]){border-color:var(--text-secondary)}:where(.paper-library,.social-page,.profile-page,.settings-page,.community-page,.interview-hub) :is(input,textarea)::placeholder{color:var(--muted)}.button:not(:disabled):focus-visible{outline:2px solid var(--accent);outline-offset:4px;box-shadow:0 0 0 4px var(--surface)}:where(.paper-library,.profile-page,.settings-page,.social-page) .text-button{border-radius:var(--control-radius);text-underline-offset:4px}:where(.paper-library,.profile-page,.settings-page,.social-page) .text-button:hover{color:var(--accent);text-decoration:underline}.paper-library .library-toolbar :is(.search,.select-wrap):hover:not(:focus-within){border-color:var(--text-secondary)}.paper-library .library-toolbar :is(.random-problem,.library-filter-toggle){min-height:46px}.paper-library .paper-categories button{min-height:44px;transition:background-color .15s,color .15s}.paper-library .paper-categories button>span:not(.bilingual-text){padding:1px 7px;border-radius:20px;background:color-mix(in srgb,currentColor 9%,transparent);opacity:1}.paper-library .paper-result-group>.problem-row:focus-visible{background:color-mix(in srgb,var(--accent) 7%,var(--surface))}.paper-library .paper-info strong{font-weight:550}@media(prefers-reduced-motion:reduce){.paper-library .paper-categories button{transition:none}}.paper-library .library-column-sort{display:inline-flex;align-items:center;justify-content:flex-start;gap:4px;max-width:100%;min-height:44px;padding:5px 4px;border-radius:6px;color:var(--text-secondary);font:inherit;text-align:start;cursor:pointer}.paper-library .library-column-sort>svg{flex:none;color:var(--muted)}.paper-library .library-column-sort:hover{color:var(--accent);background:var(--surface)}.paper-library .library-column-sort[aria-pressed=true]{color:var(--accent);font-weight:600;background:color-mix(in srgb,var(--accent) 9%,var(--surface))}.paper-library .library-column-sort[aria-pressed=true]>svg{color:var(--accent)}.paper-library .library-column-sort:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.library-column-short{display:none}@media(max-width:700px){.paper-library .library-column-sort.paper-year,.paper-library .library-column-sort[data-sort-column=difficulty] .library-column-label{display:none}.paper-library .library-column-short{display:inline}}.library-company-column-marker{visibility:hidden}.paper-library :is(.library-sort,.library-density,.library-view-switch){align-self:center}.paper-library .library-sort{min-height:54px}.paper-library .library-sort>svg{flex:none}.paper-library :is(.library-density button,.library-view-switch button,.active-filters button){transition:background-color .15s,color .15s,box-shadow .15s}.paper-library :is(.library-density button,.library-view-switch button):active{box-shadow:inset 0 0 0 1px var(--line)}.paper-library .active-filters button{min-height:44px;border-radius:var(--control-radius);text-align:start;overflow-wrap:anywhere;max-width:100%}.paper-library .active-filters button>svg{flex:none}.paper-library .library-toolbar .search input::placeholder{color:var(--muted)}.paper-library :is(.library-view-switch,.library-density) button[aria-pressed=true]{font-weight:600}@media(prefers-reduced-motion:reduce){.paper-library :is(.library-density button,.library-view-switch button,.active-filters button){transition:none}}.paper-library .active-filters button{min-width:0;gap:8px}.paper-library .library-filter-kind{flex:none;color:var(--muted);font-size:var(--type-meta);font-weight:400;white-space:nowrap}.paper-library .library-filter-value{min-width:0;max-width:18rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}.paper-library .active-filters button:hover .library-filter-value{color:var(--accent)}:where(.social-page,.profile-page,.settings-page,.community-page,.interview-hub,.paper-library,.workspace) :is(input:not([type]),input[type=text],input[type=search],input[type=email],input[type=password],input[type=url],input[type=number],select,textarea):not(.cm-textfield){box-sizing:border-box;max-width:100%;border-radius:var(--control-radius);color:var(--text);font-family:var(--font-sans);transition:border-color .15s,box-shadow .15s}:where(.social-page,.profile-page,.settings-page,.community-page,.interview-hub,.paper-library) :is(input:not([type]),input[type=text],input[type=search],input[type=email],input[type=password],input[type=url],input[type=number],select){min-height:44px;padding:8px 11px;line-height:1.5}:where(.social-page,.profile-page,.settings-page,.community-page,.interview-hub,.paper-library,.workspace) select:not([multiple]):not([size]){-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238b9099' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:31px;cursor:pointer}.paper-library .select-wrap select{background-image:none;padding-right:4px}.paper-library .select-wrap:focus-within{outline:none}:where(.social-page,.profile-page,.settings-page,.community-page,.interview-hub,.paper-library,.workspace) :is(input,select,textarea):disabled{cursor:not-allowed;opacity:.6}:where(.button,.text-button,.icon-button){border-radius:var(--control-radius)}.button{min-height:44px}.button:disabled,.text-button:disabled,.icon-button:disabled{cursor:not-allowed;box-shadow:none;transform:none;text-decoration:none}:where(button,summary)[aria-busy=true]{cursor:progress}@media(hover:hover){:where(.social-page,.profile-page,.settings-page,.community-page,.interview-hub) :is(input:not([type]),input[type=text],input[type=search],input[type=email],input[type=password],input[type=url],input[type=number],select,textarea):not(:disabled):hover{border-color:color-mix(in srgb,var(--text-secondary) 45%,var(--line))}}:is(input,select,textarea)[aria-invalid=true]:not(:disabled){border-color:var(--red,#d65363)}:is(input,select,textarea)[aria-invalid=true]:focus-visible{outline-color:var(--red,#d65363)}:where(summary){transition:color .15s,background-color .15s,border-color .15s}@media(prefers-reduced-motion:no-preference){:is(.workspace-layout-popover,.editor-tool-actions){animation:control-surface-enter .14s ease-out}@keyframes control-surface-enter{0%{opacity:0}to{opacity:1}}}@media(pointer:coarse){:where(.social-page,.profile-page,.settings-page,.community-page,.interview-hub,.paper-library) :is(input:not([type]),input[type=text],input[type=search],input[type=email],input[type=password],input[type=url],input[type=number],select),.button{min-height:44px}}@media(prefers-reduced-motion:reduce){:where(input,select,textarea,button,summary){transition:none!important}}
