:root{--bg: #0a0e14;--bg-elev: #0d1017;--bg-elev-2: #11151c;--border: #1f2430;--border-strong: #2d3340;--fg: #cbccc6;--fg-dim: #707a8c;--fg-mute: #4d5566;--accent: #ffb454;--accent-2: #39bae6;--accent-3: #c2d94c;--accent-4: #f07178;--accent-5: #d2a6ff;--mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;--serif: "EB Garamond", Georgia, serif;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent-2);text-decoration:none}a:hover{color:var(--accent)}button{font-family:inherit;cursor:pointer}code,kbd,.mono{font-family:var(--mono)}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:12px;padding:10px 20px;background:var(--bg-elev);border-bottom:1px solid var(--border)}.topbar .brand{font-family:var(--mono);font-weight:700;color:var(--accent);letter-spacing:-.5px}.topbar .brand .cursor{color:var(--accent-3);animation:blink 1s steps(1) infinite}@keyframes blink{50%{opacity:0}}.topbar .grow{flex:1}.search{background:var(--bg);border:1px solid var(--border-strong);color:var(--fg);padding:6px 10px;border-radius:4px;font-family:var(--mono);width:280px}.search:focus{outline:none;border-color:var(--accent-2)}.filters{display:flex;flex-wrap:wrap;gap:6px;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--bg-elev-2)}.chip{background:transparent;border:1px solid var(--border-strong);color:var(--fg-dim);padding:4px 10px;border-radius:999px;font-size:12px;font-family:var(--mono);transition:all .12s}.chip:hover{color:var(--fg);border-color:var(--fg-mute)}.chip.active{background:var(--accent);color:var(--bg);border-color:var(--accent)}.chip.level.active{background:var(--accent-3);color:var(--bg);border-color:var(--accent-3)}.chip.surface.active{background:var(--accent-5);color:var(--bg);border-color:var(--accent-5)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;padding:20px}.card{display:block;background:var(--bg-elev);border:1px solid var(--border);border-radius:6px;padding:14px;transition:all .15s;position:relative;overflow:hidden}.card:hover{border-color:var(--accent-2);transform:translateY(-2px);color:var(--fg)}.card .head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.card .title{font-weight:600;color:var(--fg);font-size:15px}.card .stars{color:var(--accent);font-size:11px;letter-spacing:1px;white-space:nowrap}.card .tex{margin:8px 0;padding:6px 8px;background:var(--bg);border-radius:3px;border:1px solid var(--border);overflow-x:auto;font-size:13px;color:var(--accent-3)}.card .tex .katex{color:var(--accent-3)}.card .blurb{color:var(--fg-dim);font-size:12px}.card .foot{margin-top:10px;display:flex;justify-content:space-between;gap:6px;font-family:var(--mono);font-size:10px;color:var(--fg-mute)}.card .domain-tag{color:var(--accent-2)}.card .surf-tag{color:var(--accent-5)}.empty{text-align:center;padding:60px 20px;color:var(--fg-mute);font-family:var(--mono)}.detail{display:grid;grid-template-rows:auto 1fr;height:100vh}.detail-bar{display:flex;align-items:center;gap:14px;padding:10px 20px;background:var(--bg-elev);border-bottom:1px solid var(--border);font-family:var(--mono);font-size:12px;color:var(--fg-dim)}.detail-bar .crumb{color:var(--accent-2)}.detail-bar .grow{flex:1}.detail-bar .mode-toggle{display:flex;border:1px solid var(--border-strong);border-radius:4px;overflow:hidden}.detail-bar .mode-toggle button{background:transparent;border:0;color:var(--fg-dim);padding:4px 10px;font-family:var(--mono);font-size:12px}.detail-bar .mode-toggle button.active{background:var(--accent);color:var(--bg)}.detail-bar .nav-arrow{background:transparent;border:1px solid var(--border-strong);color:var(--fg-dim);padding:3px 8px;border-radius:3px}.detail-bar .nav-arrow:hover{color:var(--fg);border-color:var(--accent-2)}.detail-body{display:grid;grid-template-columns:360px 1fr;min-height:0}.detail-body.play{grid-template-columns:1fr;position:relative}.notes-pane{overflow-y:auto;padding:20px;background:var(--bg-elev-2);border-right:1px solid var(--border)}.notes-pane h1{font-family:var(--mono);font-size:18px;color:var(--accent);margin-bottom:4px}.notes-pane .tex-block{margin:14px 0;padding:12px;background:var(--bg);border-left:3px solid var(--accent);border-radius:3px;overflow-x:auto}.notes-pane .meta-line{font-family:var(--mono);font-size:11px;color:var(--fg-mute);margin-bottom:14px}.notes-pane .notes-content{color:var(--fg-dim);font-size:13px;line-height:1.7}.notes-pane .notes-content p{margin-bottom:10px}.notes-pane .notes-content code{background:var(--bg);padding:1px 4px;border-radius:2px;color:var(--accent-3);font-size:12px}.canvas-pane{display:flex;flex-direction:column;min-height:0;background:#000}.canvas-wrap{flex:1;min-height:0;position:relative;overflow:hidden}.canvas-wrap canvas{width:100%;height:100%;display:block}.params-pane{background:var(--bg-elev-2);border-top:1px solid var(--border);padding:12px 20px;max-height:38vh;overflow-y:auto}.params-pane.floating{position:absolute;right:16px;top:16px;bottom:16px;width:280px;border:1px solid var(--border-strong);border-radius:6px;background:#0d1017eb;backdrop-filter:blur(8px);max-height:none}.formula-floating{position:absolute;left:16px;top:16px;background:#0d1017eb;backdrop-filter:blur(8px);border:1px solid var(--border-strong);border-radius:6px;padding:10px 14px;max-width:50%}.formula-floating .title{color:var(--accent);font-family:var(--mono);font-size:12px;margin-bottom:4px}.param{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;padding:6px 0;font-family:var(--mono);font-size:12px}.param .label{color:var(--fg-dim)}.param .val{color:var(--accent-3);min-width:60px;text-align:right}.param input[type=range]{grid-column:1 / -1;width:100%;accent-color:var(--accent)}.param input[type=number]{background:var(--bg);border:1px solid var(--border);color:var(--fg);padding:2px 6px;font-family:var(--mono);width:80px}.param select{background:var(--bg);border:1px solid var(--border);color:var(--fg);padding:3px 6px;font-family:var(--mono);width:100%;grid-column:1 / -1}.param input[type=checkbox]{accent-color:var(--accent)}.param input[type=color]{width:32px;height:22px;padding:0;border:1px solid var(--border);background:transparent}.katex{color:var(--fg)}.katex .mord,.katex .mop,.katex .mbin,.katex .mrel{color:inherit}.lang-switcher{display:flex;border:1px solid var(--border-strong);border-radius:4px;overflow:hidden;margin-left:8px}.lang-switcher .lang-btn{background:transparent;border:0;color:var(--fg-dim);padding:4px 8px;font-family:var(--mono);font-size:11px;border-right:1px solid var(--border)}.lang-switcher .lang-btn:last-child{border-right:0}.lang-switcher .lang-btn:hover{color:var(--fg)}.lang-switcher .lang-btn.active{background:var(--accent-2);color:var(--bg)}.breadcrumbs{padding:8px 20px;background:var(--bg-elev-2);border-bottom:1px solid var(--border);font-family:var(--mono);font-size:11px;color:var(--fg-mute);display:flex;flex-wrap:wrap;gap:6px;align-items:center}.breadcrumbs .crumb-sep{color:var(--fg-mute)}.breadcrumbs .crumb-link{color:var(--accent-2);text-decoration:none;cursor:pointer;background:transparent;border:0;font:inherit;padding:0}.breadcrumbs .crumb-link:hover{color:var(--accent)}.breadcrumbs .crumb-current{color:var(--fg)}.breadcrumbs .crumb-count{color:var(--fg-mute);margin-left:4px}.detail-bar .crumb-current{color:var(--fg)}.detail-bar a{transition:color .12s}.detail-bar .crumb-sep{color:var(--fg-mute)}.brand-link{display:inline-flex;align-items:center;gap:8px;text-decoration:none}.brand-link:hover .brand{color:var(--accent-2)}.brand-link .logo{display:block;animation:spin 12s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.brand-link:hover .logo{animation-duration:3s}@media (max-width: 720px){body{font-size:13px}.topbar{flex-wrap:wrap;padding:8px 12px;gap:8px}.topbar .brand-link{order:1}.topbar .lang-switcher{order:2;margin-left:auto}.topbar .tagline,.topbar .grow{display:none}.search{width:100%;order:4;flex-basis:100%;font-size:13px;padding:8px 10px}.filters{padding:8px 12px;gap:4px;overflow-x:auto;-webkit-overflow-scrolling:touch}.chip{padding:3px 8px;font-size:11px}.breadcrumbs{padding:6px 12px;font-size:10px;overflow-x:auto;white-space:nowrap}.grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px;padding:12px}.card{padding:10px;border-radius:4px}.card .title{font-size:13px}.card .tex{font-size:11px;padding:4px 6px}.card .blurb{font-size:11px}.card .foot{font-size:9px}.detail-bar{flex-wrap:wrap;padding:8px 10px;gap:6px;font-size:10px}.detail-bar .crumb-current,.detail-bar .grow{display:none}.detail-bar .lang-switcher .lang-btn,.detail-bar .mode-toggle button{padding:3px 6px;font-size:10px}.detail-bar .nav-arrow{padding:2px 6px;font-size:11px}.detail-body{grid-template-columns:1fr;grid-template-rows:auto 1fr}.detail-body.play{grid-template-rows:1fr}.notes-pane{border-right:0;border-bottom:1px solid var(--border);padding:12px;max-height:38vh;overflow-y:auto}.notes-pane h1{font-size:15px}.notes-pane .meta-line{font-size:10px;margin-bottom:8px}.notes-pane .tex-block{padding:8px;margin:8px 0;font-size:12px}.notes-pane .notes-content{font-size:12px}.canvas-pane{min-height:50vh}.params-pane{padding:8px 12px;max-height:30vh}.params-pane.floating{position:absolute;right:8px;top:8px;bottom:8px;width:200px;padding:8px 10px;font-size:11px}.formula-floating{left:8px;top:8px;padding:6px 10px;max-width:60%;font-size:11px}.param{padding:4px 0;font-size:11px}.param .label{font-size:11px}.param .val{min-width:50px;font-size:10px}.param select,.param input[type=number]{font-size:11px;padding:2px 4px}}@media (max-width: 420px){.grid{grid-template-columns:1fr 1fr}.params-pane.floating{width:160px;padding:6px 8px}.formula-floating{max-width:50%;padding:4px 8px}}@media (pointer: coarse){.chip,.lang-btn,.nav-arrow,.mode-toggle button{min-height:32px;padding:6px 10px}.param input[type=range]{height:28px}}