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9px;display:flex}.week-stat>strong{letter-spacing:-.06em;font-size:39px;font-weight:720;line-height:1}.week-stat>span{font-size:11px;font-weight:680;line-height:1.1}.week-stat small{color:var(--soft);margin-top:3px;font-size:9px;font-weight:530;display:block}.heatmap{grid-template-rows:repeat(7,minmax(0,1fr));grid-auto-flow:column;gap:3px;display:grid}.heatmap i,.heat-label i{aspect-ratio:1;background:#eee9f1;border-radius:3px;display:block}.heatmap i[data-level="1"],.heat-label i:nth-of-type(2){background:#d9c8f4}.heatmap i[data-level="2"],.heat-label i:nth-of-type(3){background:#ad91df}.heatmap i[data-level="3"],.heat-label i:nth-of-type(4){background:#7756c2}.heatmap i[data-future=true]{opacity:.32}.heat-label{color:var(--soft);font:400 8px var(--mono);justify-content:space-between;gap:4px;margin-top:6px;display:flex}.heat-label span:last-child{align-items:center;gap:3px;display:flex}.heat-label i{border-radius:2px;width:7px;height:7px}.mini-stats{border-block:1px solid #f1ecef;grid-template-columns:1fr 1fr;gap:6px;margin-top:8px;padding:9px 0 7px;display:grid}.mini-stats>div:last-child{border-left:1px solid #f1ecef;padding-left:8px}.mini-stats strong,.mini-stats span{display:block}.mini-stats strong{font-size:17px;line-height:1.12}.mini-stats span{color:var(--muted);font-size:9px}.rail-link{color:var(--purple-dark);justify-content:space-between;align-items:center;gap:4px;padding-top:8px;font-size:11px;font-weight:700;display:flex}.rail-link:hover{text-decoration:underline}.revision-card p{color:var(--muted);margin-top:8px;font-size:11px}.footer{color:var(--soft);justify-content:space-between;align-items:center;gap:10px;margin-top:auto;padding:17px 0 13px;font-size:10px;display:flex}.footer span:first-child{align-items:center;gap:5px;display:inline-flex}.footer i{background:#519674;width:5px;height:5px}.breadcrumbs{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;margin-top:18px;font-size:12px;display:flex}.breadcrumbs a:hover{color:var(--purple);text-decoration:underline}.path-heading{padding-top:13px}.path-heading .track-icon{margin-bottom:8px}.path-heading>.level{padding:5px 7px;font-size:10px}.lesson-list{overflow:hidden}.lesson-list>a{border-bottom:1px solid var(--line);grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:11px;padding:11px;display:grid}.lesson-list>a:last-child{border-bottom:0}.lesson-list>a:hover{background:#f8f2fe}.lesson-list strong,.lesson-list small{display:block}.lesson-list strong{font-size:15px;font-weight:690}.lesson-list small{color:var(--muted);margin-top:2px}.lesson-list>a>svg{color:var(--purple)}.lesson-index{background:var(--lavender);width:36px;height:36px;color:var(--purple);font:500 11px var(--mono);border-radius:7px;place-items:center;display:grid}.lesson-index.done{color:var(--green);background:#e4f4e9}.lesson-time{color:var(--soft);font:400 10px var(--mono);white-space:nowrap;align-items:center;gap:4px;display:inline-flex}.queue-title{margin:14px 0 8px}.queue-title span{color:var(--purple);font:500 11px var(--mono);background:var(--lavender);vertical-align:2px;border-radius:4px;margin-left:4px;padding:3px 6px;display:inline-flex}.empty{color:var(--muted);text-align:center;justify-items:center;gap:7px;padding:28px 13px;display:grid}.empty>svg{color:var(--purple)}.empty strong{color:var(--ink);font-size:16px}.progress-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.progress-metric{gap:3px;padding:14px;display:grid}.progress-metric strong{letter-spacing:-.055em;font-size:33px;line-height:1}.progress-metric span{color:var(--muted)}.progress-chart{margin-top:12px;padding:13px}.progress-chart .heatmap{max-width:580px;margin-top:12px}.lesson-tabs{border-bottom:1px solid var(--line);gap:6px;margin:-3px 0 13px;padding-bottom:8px;display:flex}.lesson-tabs a{color:var(--muted);border-radius:7px;align-items:center;gap:6px;padding:7px 13px;font-weight:660;display:inline-flex}.lesson-tabs a:hover,.lesson-tabs a[aria-current=step]{background:var(--lavender);color:var(--purple-dark)}.lesson-grid{grid-template-columns:minmax(0,1fr) minmax(216px,265px);align-items:start;gap:12px;display:grid}.lesson-paper{min-width:0;padding:clamp(14px,2vw,23px)}.lesson-paper h2{letter-spacing:-.04em;margin:5px 0 8px;font-size:clamp(21px,3vw,29px);font-weight:720;line-height:1.12}.lesson-paper p{color:var(--muted);max-width:720px;margin:0 0 9px}.lesson-paper h3{margin:13px 0 6px;font-weight:720}.content-label{color:var(--purple-dark);font:500 9px var(--mono);letter-spacing:.09em;align-items:center;gap:5px;display:inline-flex}.concept-diagram{background:#f4eefc;border:1px solid #eae0f6;border-radius:8px;flex-wrap:wrap;align-items:center;gap:6px;margin:13px 0;padding:13px;display:flex}.concept-diagram>div{align-items:center;gap:6px;display:flex}.concept-diagram 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svg{color:var(--purple)}.search-results a span{min-width:0}.search-results small{white-space:nowrap;text-overflow:ellipsis;color:var(--muted);display:block;overflow:hidden}@media (min-width:1350px){.app-shell{grid-template-columns:222px minmax(0,1fr)}.dashboard-grid{grid-template-columns:minmax(0,1fr) minmax(250px,285px);gap:18px}.hero{min-height:274px}.hero-content{padding:28px}.path-card{min-height:170px;padding:13px}}@media (max-width:1050px){.app-shell{grid-template-columns:170px minmax(0,1fr)}.brand{padding-inline:13px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 205px;gap:10px}.hero-content{padding:14px}.path-cards{gap:6px}.path-card{padding:8px}.level{font-size:7px}}@media (max-width:870px){.app-shell{grid-template-columns:58px minmax(0,1fr)}.brand{padding-inline:10px}.brand>span:last-child,.sidebar-label,.sidebar-profile>div,.sidebar-new{display:none}.sidebar-content{padding:6px}.sidebar nav a{justify-content:center}.sidebar nav a 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code{background:var(--lavender);overflow-wrap:anywhere;border-radius:4px;margin-top:4px;padding:4px;display:block}.inline-editor{border:1px solid #e0d7eb;border-radius:9px;margin:14px 0 9px;overflow:hidden}.editor-title{color:#f5eaff;background:#282235;align-items:center;gap:7px;padding:9px 12px;display:flex}.editor-title span{font:11px var(--mono);color:#ddd1ef;margin-left:auto}.inline-editor textarea{color:#f1e7fa;min-height:230px;font:13px/1.65 var(--mono);tab-size:2;white-space:pre;background:#1f1b2b;border:0;border-radius:0;padding:13px;display:block}.editor-actions{background:var(--paper);flex-wrap:wrap;gap:8px;padding:9px;display:flex}.external-lab{color:var(--muted);margin:12px 0}.external-lab summary{cursor:pointer;color:var(--purple-dark);font-weight:680}.experiment{border:1px solid var(--line);background:#fbf8ff;border-radius:9px;margin:17px 0;padding:13px}.experiment textarea{margin:5px 0 8px;display:block}.practice-actions{flex-wrap:wrap;align-items:end;gap:9px;margin:8px 0 10px;display:flex}.practice-actions label{gap:4px;display:grid}.practice-actions select{padding:6px}.prediction-comparison{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:9px;display:grid}.prediction-comparison div{border:1px solid var(--line);background:#fff;border-radius:7px;min-width:0;padding:8px}.prediction-comparison span{font-size:11px;font-weight:690}.prediction-comparison pre{font:11px/1.55 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere}.lesson-sources{margin:12px 0}.owner-screen{place-items:center;min-height:100vh;padding:18px;display:grid}.owner-card{gap:10px;width:min(100%,410px);padding:24px;display:grid}.owner-card h1{letter-spacing:-.05em;font-size:28px;font-weight:740}.owner-card input,.plan-form input[type=number]{border:1px solid var(--line);background:#fff;border-radius:7px;width:100%;padding:8px}.locked-lesson{border-bottom:1px solid var(--line);opacity:.72;grid-template-columns:auto 1fr;align-items:center;gap:11px;padding:11px;display:grid}.locked-lesson:last-child{border-bottom:0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}