:root{--bg: #f6f7f9;--panel: #ffffff;--ink: #1b1f24;--muted: #5c6670;--line: #d9dee4;--accent: #1f6feb;--accent-ink: #ffffff;--good: #1a7f37;--bad: #c62828;--warn: #b7791f;--shaft: #eef1f5;--car: #1f6feb;--car-open: #2da44e;--wait: #d97706;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #0f1216;--panel: #171b21;--ink: #e6e9ee;--muted: #98a2ad;--line: #2b323b;--accent: #4c8dff;--good: #3fb950;--bad: #ff6b6b;--warn: #e3b341;--shaft: #1f252d;--car: #4c8dff;--car-open: #3fb950;--wait: #f0a040}}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 var(--sans)}a{color:var(--accent)}button,select,input,textarea{font:inherit;color:inherit}button{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:6px 12px;cursor:pointer}button:hover{border-color:var(--accent)}button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}button:disabled{opacity:.5;cursor:wait}button.active{outline:2px solid var(--accent)}select,input[type=text]{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:6px 8px}textarea{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:8px;font-family:var(--mono);font-size:13px;line-height:1.4;tab-size:2;resize:vertical;white-space:pre;overflow:auto}code,pre{font-family:var(--mono);font-size:13px}pre{background:var(--shaft);padding:8px;border-radius:6px;overflow-x:auto;margin:6px 0}header{padding:18px 16px 8px;max-width:1400px;margin:0 auto}header h1{margin:0;font-size:1.6rem}header p{margin:4px 0 0;color:var(--muted)}.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px}.toolbar .spacer{flex:1}main{max-width:1400px;margin:0 auto;padding:0 16px 40px;display:grid;grid-template-columns:minmax(300px,420px) 1fr;gap:16px}@media(max-width:900px){main{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px}.panel h2{margin:0 0 8px;font-size:1.05rem}.panel h3{margin:10px 0 4px;font-size:.95rem}.stack{display:flex;flex-direction:column;gap:14px;min-width:0}.panel{min-width:0}.table-wrap{overflow-x:auto}.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.row label,.muted{color:var(--muted);font-size:.9rem}.error{color:var(--bad);white-space:pre-wrap;font-family:var(--mono);font-size:13px}.warn{color:var(--warn);font-size:.9rem}.ok{color:var(--good)}details summary{cursor:pointer;color:var(--accent)}.scenario-desc{margin:6px 0}.facts{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.9rem;color:var(--muted)}.facts b{color:var(--ink)}.viz{display:grid;gap:12px}.viz.compare{grid-template-columns:1fr 1fr}@media(max-width:1100px){.viz.compare{grid-template-columns:1fr}}.viz-card{border:1px solid var(--line);border-radius:8px;padding:8px;overflow-x:auto}.viz-card .title{font-weight:600;margin-bottom:4px}.viz-card svg{display:block;max-width:100%;height:auto}.playbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}.playbar input[type=range]{flex:1;min-width:120px}.playbar .time{font-family:var(--mono);min-width:9ch;text-align:right}.floor-line{stroke:var(--line);stroke-width:1}.floor-label,.waiting-count,.shaft-label,.car-label,.axis-label,.axis-title{font-family:var(--mono);font-size:10px;fill:var(--muted)}.floor-label{text-anchor:end}.car-label{fill:#fff;font-weight:700}.shaft{fill:var(--shaft);stroke:var(--line)}.target-mark{fill:var(--accent);opacity:.18}.car{fill:var(--car)}.car.doors-open{fill:var(--car-open)}.car.head{fill:var(--car)}.waiting-dot{fill:var(--wait)}.disk-plot{fill:var(--shaft);stroke:var(--line)}.grid-line{stroke:var(--line);stroke-width:.5}.head-path{fill:none;stroke:var(--car);stroke-width:1.6}.head-path.car-1,.head-now.car-1{stroke:#8957e5}.head-path.car-2,.head-now.car-2{stroke:#bf8700}.head-path.car-3,.head-now.car-3{stroke:#cf222e}.head-now{fill:var(--panel);stroke:var(--car);stroke-width:2}.now-line{stroke:var(--muted);stroke-dasharray:3 3}.req-open{fill:none;stroke:var(--wait)}.req-board{fill:var(--wait)}.req-alight{fill:var(--good)}table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{text-align:left;padding:4px 8px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600}td.num,th.num{text-align:right;font-family:var(--mono)}td.better{color:var(--good);font-weight:700}td.worse{color:var(--bad)}.unit{color:var(--muted);font-size:.8em;margin-left:3px}.badge{display:inline-block;padding:1px 6px;border-radius:10px;font-size:.75rem;background:var(--shaft);color:var(--muted);margin-left:6px}.hidden{display:none!important}.api p{margin:4px 0}.api ul{margin:4px 0;padding-left:18px}footer{max-width:1400px;margin:0 auto;padding:0 16px 30px;color:var(--muted);font-size:.85rem}