@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #000000;--surface: #0a0a0a;--border: rgba(255, 255, 255, .14);--border-hover: rgba(255, 255, 255, .24);--text: #ededed;--text-muted: rgba(255, 255, 255, .5);--text-dim: #333333;--accent: #ffffff;--accent-green: #4ade80;--accent-red: #f87171;--accent-yellow: #facc15;--accent-yellow-dim: rgba(250, 204, 21, .15);--accent-cyan: #38bdf8;--accent-magenta: #f472b6;--radius-chunky: 10px;--border-width-chunky: 2px;--shadow-offset: 3px;--shadow-offset-press: 1px}html{height:100%}body{height:100%;width:100%;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:13px;overflow:hidden;-webkit-font-smoothing:antialiased}#nav{position:fixed;top:16px;left:50%;transform:translate(-50%);z-index:160;display:flex;gap:10px;pointer-events:none}.tab-pill{pointer-events:auto;background:var(--surface);border:var(--border-width-chunky) solid var(--border-hover);border-radius:var(--radius-chunky);color:var(--text-muted);padding:8px 16px;cursor:pointer;font-size:13px;font-family:inherit;font-weight:500;white-space:nowrap;box-shadow:var(--shadow-offset) var(--shadow-offset) 0 0 var(--border-hover);transition:color .15s,background .15s,border-color .15s,transform .08s,box-shadow .08s}.tab-pill:hover{color:var(--text);background:#ffffff0f}.tab-pill:active{transform:translate(var(--shadow-offset-press),var(--shadow-offset-press));box-shadow:var(--shadow-offset-press) var(--shadow-offset-press) 0 0 var(--border-hover)}.tab-pill.active{color:var(--accent-cyan);background:#38bdf81f;border-color:var(--accent-cyan);box-shadow:var(--shadow-offset) var(--shadow-offset) 0 0 var(--accent-cyan);font-weight:700}.tab-pill:disabled,.tab-pill.tab-unavailable{opacity:.3;cursor:not-allowed}#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(12px);background:#1a1a1a;border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:10px 16px;font-size:13px;color:var(--text);white-space:nowrap;z-index:600;pointer-events:none;opacity:0;transition:opacity .2s,transform .2s}#toast.visible{opacity:1;transform:translate(-50%) translateY(0)}#app{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1;display:flex;flex-direction:row;gap:16px;padding:72px 16px 16px;box-sizing:border-box}#canvas-card{position:relative;flex:1;min-width:0;min-height:0;background:#0e0e0e;border:var(--border-width-chunky) solid 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3;position:relative;display:flex;align-items:center;justify-content:center;background:var(--bg);overflow:hidden}#probe-map-hint{position:absolute;bottom:14px;left:50%;transform:translate(-50%);font-size:11px;color:#ffffff8c;background:#00000073;border:1px solid rgba(255,255,255,.12);border-radius:6px;padding:5px 12px;pointer-events:none;white-space:nowrap;letter-spacing:.02em;transition:opacity .4s}#probe-map-hint.hidden{opacity:0}#phase-hover-tip{position:fixed;z-index:9999;display:none;background:#0a0a0ae0;border:1px solid rgba(255,255,255,.14);border-radius:7px;padding:7px 11px;font-size:11px;line-height:1.65;color:var(--text);white-space:pre;font-family:SF Mono,Fira Code,monospace;pointer-events:none;letter-spacing:.02em}#phase-canvas-wrap{position:relative;width:min(100%,100vh);aspect-ratio:1;flex-shrink:0}#canvas-phasemap{display:block;image-rendering:pixelated;cursor:crosshair;border-radius:4px;width:100%;height:100%}#no-gpu-msg{color:var(--text-muted);border:1px solid var(--border);border-radius:8px;padding:24px 32px;font-size:13px;text-align:center;line-height:1.6;display:none;max-width:360px}#no-gpu-msg strong{color:var(--text);display:block;margin-bottom:6px;font-size:14px}#export-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:500;background:#000000b8;align-items:center;justify-content:center}#export-overlay.active{display:flex}#export-modal{background:#0d0d0d;border:1px solid var(--border);border-radius:10px;padding:20px 24px;width:340px;display:flex;flex-direction:column;gap:14px}#export-modal-header{display:flex;align-items:center;justify-content:space-between}#export-modal-header span{font-size:13px;font-weight:600;color:var(--text)}#export-close{border:none;background:none;box-shadow:none;padding:2px 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var(--border);border-radius:4px;background:#000}#export-progress-label{font-size:11px;color:var(--text-muted);font-family:SF Mono,Fira Code,monospace;text-align:center}#export-cancel{width:100%;color:var(--text-muted)}.tile-hint{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;background:var(--bg);pointer-events:none;transition:opacity .4s;z-index:1}.tile-hint.hidden{opacity:0}.tile-hint-arrow{font-size:24px;color:#ffffff4d}.tile-hint-text{font-size:13px;color:#ffffff4d;letter-spacing:.04em}.settings-fab{display:none;position:fixed;bottom:20px;right:20px;z-index:160;width:52px;height:52px;padding:0;border-radius:50%;align-items:center;justify-content:center;font-size:20px;background:var(--surface);border-color:var(--border-hover)}.settings-fab.active{color:var(--accent-cyan);border-color:var(--accent-cyan);box-shadow:var(--shadow-offset) var(--shadow-offset) 0 0 var(--accent-cyan)}#physics-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:140;display:none;pointer-events:none}#physics-backdrop.active{display:block}#page-tech{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2;overflow-y:auto;background:var(--bg);padding:0 16px 16px;box-sizing:border-box;align-items:flex-start}.tech-content{max-width:900px;margin:88px auto 24px;padding:40px 40px 48px;background:#0e0e0e;border:var(--border-width-chunky) solid var(--border-hover);border-radius:var(--radius-chunky);overflow-x:clip}.tech-content h1{font-size:22px;font-weight:600;color:var(--text);margin-bottom:10px;letter-spacing:-.02em}.tech-intro{font-size:14px;line-height:1.75;color:var(--text-muted);margin-bottom:36px;max-width:600px}details.tech-section{border-top:1px solid var(--border)}details.tech-section:last-of-type{border-bottom:1px solid var(--border)}.tech-summary{display:flex;align-items:baseline;gap:12px;padding:16px 0;cursor:pointer;list-style:none;-webkit-user-select:none;user-select:none;transition:color .15s}.tech-summary::-webkit-details-marker{display:none}.tech-summary-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text);transition:color .15s;flex-shrink:0}.tech-summary:after{content:"›";font-size:18px;font-weight:300;margin-left:auto;color:var(--text-muted);transition:transform .2s;line-height:1;flex-shrink:0}details[open]>.tech-summary:after{transform:rotate(90deg)}.tech-summary:hover .tech-summary-label{color:var(--accent)}.tech-body{padding-bottom:32px}.tech-body p{font-size:14px;line-height:1.8;color:var(--text);margin-bottom:16px;max-width:600px}.tech-body p:last-child{margin-bottom:0}.tech-diagram{width:100%;max-width:480px;margin:20px 0 24px;display:block}.tech-table{font-family:SF Mono,Fira Code,Courier New,monospace;font-size:11.5px;line-height:1.7;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:14px 18px;margin:14px 0;white-space:pre;overflow-x:auto}.tech-inline{font-family:SF Mono,Fira Code,Courier New,monospace;font-size:11.5px;background:#ffffff0f;border-radius:3px;padding:1px 5px}.tech-body .katex-display{margin:1.4em 0;overflow-x:auto;overflow-y:hidden}.tech-body .katex{font-size:1.05em}.tech-credit{margin-top:28px;font-size:12px;color:var(--text-muted);text-align:center}.tech-credit a{color:var(--text-muted);text-decoration:none;transition:color .15s}.tech-credit a:hover{color:var(--text)}@media (max-width: 767px){#nav{top:10px;gap:6px}.tab-pill{padding:6px 12px;font-size:12px}#app{padding:56px 8px 8px;gap:0}#panels{position:fixed;top:0;bottom:0;left:0;width:min(300px,85vw);max-height:none;gap:0;transform:translate(-110%);transition:transform .25s ease;z-index:210}#panels.sheet-open{transform:translate(0)}.panel{border-radius:0;border:none;box-shadow:none;background:var(--surface);padding:14px 16px 20px}#panel-top{border-radius:0 var(--radius-chunky) 0 0}#panel-bottom{border-top:1px solid var(--border);border-radius:0 0 var(--radius-chunky) 0}.settings-fab{display:flex;left:20px;right:auto}#physics-backdrop.active{background:#0000008c;pointer-events:auto}#page-tech{padding:0 8px 8px}.tech-content{margin:64px auto 16px;padding:28px 22px 36px}}