@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/2c55a0e60120577a-s.03ez25a9g3i0n.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/9c72aa0f40e4eef8-s.3i9rha7jpxn0q.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/ad66f9afd8947f86-s.2o7ko1d-5m1xu.woff2)format("woff2");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/5476f68d60460930-s.1ee5w62fj497l.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/2bbe8d2671613f1f-s.1way2z9fj6cig.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/1bffadaabf893a1e-s.0szrwpqb9mkwe.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/83afe278b6a6bb3c-s.p.45535valc9rzk.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter Fallback;src:local(Arial);ascent-override:90.44%;descent-override:22.52%;line-gap-override:0.0%;size-adjust:107.12%}.inter_b2991b2-module__9mH_6q__className{font-family:Inter,Inter Fallback;font-style:normal}.inter_b2991b2-module__9mH_6q__variable{--font-sans:"Inter", "Inter Fallback"}
:root{--background:#000;--card:#0a0a0a;--border:#1f1f1f;--input:#1f1f1f;--ring:#2e2e2e;--foreground:#ededed;--muted-foreground:#8f8f8f;--primary:#fff;--primary-foreground:#000;--secondary:#111;--accent:#141414;--accent-foreground:#ededed;--success:#34d399;--success-bg:#34d39914;--success-border:#34d3994d;--radius:.625rem}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font-sans), Inter, system-ui, -apple-system, sans-serif;background:var(--background);color:var(--foreground);-webkit-font-smoothing:antialiased}
.container{max-width:640px;min-height:100vh;margin:0 auto;padding:24px 20px 64px}.content-column{max-width:640px;margin:0 auto;padding:24px 20px 64px}.topbar{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;gap:14px;padding:16px 20px;display:flex}.crumb{min-width:0;color:inherit;align-items:center;gap:10px;text-decoration:none;display:flex}.app-switcher{background:var(--card);border:1px solid var(--border);border-radius:8px;flex-shrink:0;gap:2px;padding:2px;display:flex}.app-switcher-item{color:var(--muted-foreground);border-radius:6px;padding:5px 12px;font-size:12.5px;font-weight:500;text-decoration:none;transition:background-color .15s,color .15s}.app-switcher-item.is-active{background:var(--accent);color:var(--foreground)}.crumb-mark{background:var(--card);border:1px solid var(--border);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:15px;display:flex}.crumb-text{align-items:baseline;gap:6px;min-width:0;font-size:13px;display:flex;overflow:hidden}.crumb-text strong{color:var(--foreground);white-space:nowrap;font-weight:600}.crumb-text span{color:var(--muted-foreground);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.badge{white-space:nowrap;border-radius:999px;flex-shrink:0;align-items:center;gap:6px;padding:3px 10px;font-size:11px;font-weight:500;display:inline-flex}.badge-neutral{background:var(--secondary);border:1px solid var(--border);color:var(--foreground)}.badge-dot{background:currentColor;border-radius:999px;width:6px;height:6px}.hero-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px 24px;box-shadow:0 1px 3px #0000004d}.eyebrow{text-transform:uppercase;letter-spacing:.06em;color:var(--muted-foreground);margin-bottom:8px;font-size:11px;font-weight:600}.hero-card h1{letter-spacing:-.02em;color:var(--foreground);margin-bottom:8px;font-size:30px;font-weight:700}.hero-card p{color:var(--muted-foreground);max-width:46ch;font-size:14px;line-height:1.55}.stats-row{border-top:1px solid var(--border);flex-wrap:wrap;gap:28px;margin-top:24px;padding-top:20px;display:flex}.stat-label{text-transform:uppercase;letter-spacing:.06em;color:var(--muted-foreground);margin-bottom:4px;font-size:10.5px;font-weight:600}.stat-value{color:var(--foreground);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700}.subjects-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:24px;display:grid}.subject-card{background:var(--card);border:1px solid var(--border);cursor:pointer;text-align:left;color:inherit;border-radius:10px;flex-direction:column;align-items:flex-start;padding:18px;text-decoration:none;transition:border-color .15s,background-color .15s;display:flex}.subject-card:hover{border-color:var(--ring);background:var(--accent)}.subject-card h2{color:var(--foreground);font-size:15px;font-weight:600}.card-count{color:var(--muted-foreground);margin-top:2px;font-size:12.5px}.btn{cursor:pointer;border:1px solid #0000;border-radius:7px;align-items:center;gap:6px;padding:7px 14px;font-family:inherit;font-size:12.5px;font-weight:500;transition:background-color .15s,border-color .15s,opacity .15s;display:inline-flex}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--primary);color:var(--primary-foreground);border-color:var(--primary)}.btn-primary:hover:not(:disabled){opacity:.88}.btn-ghost{color:var(--foreground);border-color:var(--border);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--accent);border-color:var(--ring)}.btn-small{margin-top:14px;padding:5px 12px;font-size:12px}.chapter-flashcards{margin-top:20px}.study-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.progress-track{background:var(--border);border-radius:999px;height:3px;margin-bottom:28px;overflow:hidden}.progress-fill{background:var(--foreground);border-radius:inherit;height:100%;transition:width .25s}.flashcard{background:var(--card);border:1px solid var(--border);text-align:center;cursor:pointer;border-radius:16px;flex-direction:column;justify-content:center;align-items:center;gap:18px;min-height:300px;padding:40px 32px;transition:border-color .15s;display:flex}.flashcard:hover{border-color:var(--ring)}.flashcard-label{text-transform:uppercase;letter-spacing:.06em;color:var(--muted-foreground);font-size:11px;font-weight:600}.flashcard-label.is-answer{color:var(--success)}.flashcard-text{color:var(--foreground);max-width:44ch;font-size:21px;font-weight:600;line-height:1.45}.flashcard-hint{color:var(--muted-foreground);font-size:11.5px}.controls{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:24px;display:flex}.state-message{text-align:center;color:var(--muted-foreground);padding:120px 20px;font-size:14px}.note-nav{flex-wrap:wrap;gap:6px;margin-bottom:24px;display:flex}.note-nav-item{border:1px solid var(--border);color:var(--muted-foreground);background:var(--card);border-radius:7px;padding:6px 12px;font-size:12px;font-weight:500;text-decoration:none;transition:border-color .15s,color .15s,background-color .15s}.note-nav-item:hover{border-color:var(--ring);color:var(--foreground)}.note-nav-item.is-active{background:var(--accent);color:var(--foreground);border-color:var(--ring)}.md-body{color:var(--foreground);margin-top:20px;font-size:14.5px;line-height:1.65}.md-body h1,.md-body h2,.md-body h3{letter-spacing:-.01em;color:var(--foreground);margin:28px 0 12px;font-weight:700}.md-body h1{font-size:22px}.md-body h2{font-size:18px}.md-body h3{font-size:15.5px}.md-body p{margin:12px 0}.md-body ul,.md-body ol{margin:12px 0;padding-left:22px}.md-body li{margin:4px 0}.md-body a{color:var(--foreground);text-decoration:underline;-webkit-text-decoration-color:var(--border);text-decoration-color:var(--border);text-underline-offset:2px}.md-body a:hover{-webkit-text-decoration-color:var(--muted-foreground);text-decoration-color:var(--muted-foreground)}.md-body strong{font-weight:700}.md-body hr{border:none;border-top:1px solid var(--border);margin:24px 0}.md-body table{border-collapse:collapse;width:100%;margin:16px 0;font-size:13.5px}.md-body th,.md-body td{border:1px solid var(--border);text-align:left;padding:8px 10px}.md-body th{background:var(--secondary);color:var(--muted-foreground);text-transform:uppercase;letter-spacing:.03em;font-size:11px;font-weight:600}.code-block{background:var(--secondary);border:1px solid var(--border);border-radius:8px;margin:12px 0;padding:12px;overflow-x:auto}.code-block code{background:0 0;border:none;padding:0}.md-body code{background:var(--secondary);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-size:.9em}.md-body blockquote{border-left:2px solid var(--border);color:var(--muted-foreground);margin:12px 0;padding-left:14px}.wikilink-unresolved{color:var(--muted-foreground);border-bottom:1px dashed var(--border)}.callout{border:1px solid var(--border);border-left:3px solid var(--ring);background:var(--card);border-radius:8px;margin:16px 0;padding:12px 16px}.callout-title{text-transform:uppercase;letter-spacing:.05em;color:var(--muted-foreground);margin-bottom:6px;font-size:11px;font-weight:600}.callout .md-body{margin-top:0;font-size:13.5px}.callout-tip{border-left-color:var(--success)}.callout-warning{border-left-color:#f59e0b}.callout-quote{border-left-color:var(--muted-foreground)}.dataview-list{flex-direction:column;gap:4px;margin:16px 0;padding:0;list-style:none;display:flex}.dataview-list li a{border:1px solid var(--border);color:var(--foreground);border-radius:7px;padding:8px 12px;font-size:13.5px;text-decoration:none;transition:border-color .15s,background-color .15s;display:block}.dataview-list li a:hover{border-color:var(--ring);background:var(--accent)}.dataview-raw{background:var(--secondary);border:1px solid var(--border);color:var(--muted-foreground);white-space:pre-wrap;border-radius:8px;padding:12px;font-size:12px;overflow-x:auto}.cours-shell{flex-direction:column;height:100vh;display:flex;overflow:hidden}.topbar-btn,.graph-link{background:var(--card);border:1px solid var(--border);color:var(--foreground);cursor:pointer;border-radius:8px;flex-shrink:0;align-items:center;gap:4px;padding:6px 10px;font-size:12.5px;line-height:1;text-decoration:none;display:inline-flex}.graph-link:hover,.topbar-btn:hover{border-color:var(--ring);background:var(--accent)}.quick-switcher-kbd{color:var(--muted-foreground);font-size:10px}.shell-body{flex:1;min-height:0;display:flex;position:relative}.sidebar{background:var(--card);border-right:1px solid var(--border);z-index:40;flex-shrink:0;width:260px;max-width:80vw;padding:70px 8px 40px;transition:transform .2s;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;transform:translate(-100%)}.sidebar.is-open{transform:translate(0)}.sidebar-overlay{z-index:30;background:#0009;position:fixed;inset:0}.sidebar-tree{padding-left:4px;list-style:none}.sidebar-tree .sidebar-tree{padding-left:14px}.sidebar-row{border-radius:6px;align-items:center;gap:2px;margin:1px 2px;display:flex}.sidebar-row:hover,.sidebar-row.is-active{background:var(--accent)}.sidebar-row.is-active .sidebar-label{color:var(--foreground);font-weight:600}.sidebar-chevron{width:18px;height:26px;color:var(--muted-foreground);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;font-size:10px;display:flex}.sidebar-label{min-width:0;color:var(--foreground);text-align:left;cursor:pointer;white-space:nowrap;text-overflow:ellipsis;background:0 0;border:none;flex:1;padding:7px 6px 7px 2px;font-size:13px;overflow:hidden}.sidebar>.sidebar-tree>li>.sidebar-row .sidebar-label{font-weight:600}.sidebar-row-leaf .sidebar-label{color:var(--muted-foreground);padding-top:6px;padding-bottom:6px;font-size:12.5px;font-weight:400}.sidebar-row-leaf.is-active .sidebar-label{color:var(--foreground)}.shell-main{flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.shell-content{flex:1;min-height:0;overflow-y:auto}.tab-bar{border-bottom:1px solid var(--border);flex-shrink:0;display:flex;overflow-x:auto}.tab{border-right:1px solid var(--border);cursor:pointer;white-space:nowrap;color:var(--muted-foreground);border-top:2px solid #0000;flex-shrink:0;align-items:center;gap:8px;max-width:200px;padding:10px 10px 9px 14px;font-size:12.5px;display:flex}.tab:hover{color:var(--foreground)}.tab.is-active{color:var(--foreground);background:var(--card);border-top-color:var(--foreground)}.tab-title{text-overflow:ellipsis;overflow:hidden}.tab-close{color:inherit;opacity:.6;background:0 0;border:none;border-radius:4px;flex-shrink:0;padding:3px 5px;font-size:14px;line-height:1}.tab-close:hover{opacity:1;background:var(--accent)}.graph-wrap{width:100%;height:100%;position:relative}.graph-canvas{touch-action:none;cursor:grab;width:100%;height:100%;display:block}.graph-hint{color:var(--muted-foreground);border:1px solid var(--border);pointer-events:none;background:#0a0a0ab3;border-radius:7px;padding:6px 10px;font-size:11.5px;position:absolute;bottom:14px;left:16px}.right-sidebar{background:var(--card);border-left:1px solid var(--border);z-index:40;flex-shrink:0;width:260px;max-width:80vw;padding:16px 14px 40px;position:fixed;top:0;bottom:0;right:0;overflow-y:auto}.right-sidebar-section{margin-bottom:24px}.right-sidebar-title{text-transform:uppercase;letter-spacing:.05em;color:var(--muted-foreground);margin-bottom:8px;font-size:10.5px;font-weight:600}.right-sidebar-empty{color:var(--muted-foreground);font-size:12px}.outline-list{list-style:none}.outline-item{text-align:left;width:100%;color:var(--foreground);cursor:pointer;white-space:nowrap;text-overflow:ellipsis;background:0 0;border:none;border-radius:6px;padding:5px 6px;font-size:12.5px;display:block;overflow:hidden}.outline-item:hover{background:var(--accent)}.quick-switcher-overlay{z-index:60;background:#0009;justify-content:center;align-items:flex-start;padding-top:12vh;display:flex;position:fixed;inset:0}.quick-switcher{background:var(--card);border:1px solid var(--border);border-radius:12px;width:90%;max-width:480px;overflow:hidden;box-shadow:0 20px 60px #00000080}.quick-switcher-input{border:none;border-bottom:1px solid var(--border);width:100%;color:var(--foreground);background:0 0;padding:14px 16px;font-family:inherit;font-size:14px}.quick-switcher-input:focus{outline:none}.quick-switcher-list{max-height:50vh;padding:6px;list-style:none;overflow-y:auto}.quick-switcher-empty{color:var(--muted-foreground);padding:12px;font-size:12.5px}.quick-switcher-item{width:100%;color:var(--foreground);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:7px;justify-content:space-between;align-items:center;gap:10px;padding:8px 10px;font-size:13px;display:flex}.quick-switcher-item-title{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.quick-switcher-item-subject{color:var(--muted-foreground);flex-shrink:0;font-size:11px}.quick-switcher-item.is-selected{background:var(--accent)}@media (min-width:768px){.sidebar{max-width:none;padding:12px 8px 40px;position:static;transform:none}.sidebar-overlay,.sidebar-toggle{display:none}.right-sidebar{max-width:none;position:static}}