:root{--bg: #ffffff;--fg: #1a1d21;--muted: #6b7280;--line: #d7dbe0;--green: #1f8a4c;--green-soft: #e6f4ea;--grey: #b6bcc4;--red: #c0392b;--red-soft: #fdecea;--amber: #b7791f;--radius: 8px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:#f3f4f6;padding:1px 5px;border-radius:4px}.page{max-width:940px;margin:0 auto;padding:32px 20px 64px}.head h1{margin:0 0 4px;font-size:26px;letter-spacing:-.01em}.head-sub{margin:0 0 24px;color:var(--muted)}.lookup{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:22px}.lookup label{color:var(--muted)}.lookup input{flex:1 1 140px;min-width:120px;padding:7px 10px;border:1px solid var(--line);border-radius:6px;font:inherit;font-variant-numeric:tabular-nums}.lookup button{padding:8px 16px;border:1px solid var(--fg);border-radius:6px;background:var(--fg);color:#fff;font:inherit;cursor:pointer}.lookup button:disabled{opacity:.55;cursor:default}.notice{color:var(--muted)}.notice-error{padding:14px 16px;border:1px solid #f0c2bd;border-radius:var(--radius);background:var(--red-soft);color:#7d2a20}.notice-error p{margin:6px 0 0}.summary h2{margin:0 0 6px;font-size:19px}.summary-outcome{margin:0 0 18px;color:var(--muted)}.summary-unknown{color:var(--amber);max-width:60ch}.route{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:24px}.route-clock{display:flex;flex-direction:column;gap:4px;margin-bottom:18px;font-variant-numeric:tabular-nums}.route-clock-label{font-weight:600}.route-clock.is-open .route-clock-label{color:var(--red)}.route-clock-note{color:var(--muted);max-width:62ch}.route-line{display:flex;align-items:flex-start;overflow-x:auto;padding-bottom:6px}.route-stop{display:flex;align-items:center;flex:0 0 auto}.route-edge{display:block;width:34px;height:3px;background:var(--grey)}.route-edge.edge-passed{background:var(--green)}.route-station{display:flex;flex-direction:column;align-items:center;gap:2px;width:92px;padding:4px 2px;border:0;background:none;font:inherit;cursor:pointer;border-radius:6px}.route-station:hover{background:#f6f7f8}.route-station.is-selected{background:var(--green-soft)}.route-dot{width:15px;height:15px;border-radius:50%;border:3px solid var(--grey);background:#fff}.route-name{font-size:13px;text-align:center;line-height:1.2}.route-solidity{font-size:10.5px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.st-passed .route-dot{border-color:var(--green);background:var(--green)}.st-passed .route-name{color:var(--green)}.st-current .route-dot{border-color:var(--green);background:#fff;box-shadow:0 0 0 4px var(--green-soft);animation:pulse 1.8s ease-in-out infinite}.st-current .route-name{color:var(--green);font-weight:600}@keyframes pulse{0%,to{box-shadow:0 0 0 3px var(--green-soft)}50%{box-shadow:0 0 0 7px var(--green-soft)}}.st-ahead .route-dot{border-color:var(--grey)}.st-ahead .route-name{color:var(--muted)}.st-skipped .route-dot{border-style:dashed;border-color:var(--grey)}.st-skipped .route-name{color:var(--muted)}.st-depot-open .route-dot{border-color:var(--red);background:var(--red)}.st-depot-open .route-name{color:var(--red);font-weight:600}.st-depot-idle .route-dot{border-color:var(--grey);background:#f0f1f3}.st-depot-idle .route-name{color:var(--muted)}.route-outlets{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:13px}.outlet-reachable{color:var(--green)}.outlet-taken{color:var(--fg);font-weight:600}.outlet-blocked{color:var(--grey)}.outlet-forever{color:var(--red)}.outlet-forever-note{font-size:11.5px;opacity:.85}.route-hint{margin:12px 0 0;color:var(--muted);max-width:68ch}.numbers{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:24px}.numbers h3{margin:0 0 12px;font-size:16px}.numbers dl{margin:0}.row{display:flex;justify-content:space-between;gap:16px;padding:5px 0;border-bottom:1px solid #f1f2f4}.row:last-child{border-bottom:0}.row dt{color:var(--muted)}.row dd{margin:0;font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}.unit{color:var(--muted);font-size:12px}.history,.chat{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}.history h3,.chat h3{margin:0 0 8px;font-size:16px}.history-note{margin:0 0 6px;color:var(--muted);max-width:68ch}.chat{border-color:#f0d9a8;background:#fffdf5}.chat-warning{margin:0;max-width:68ch}.foot{margin-top:28px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.foot p{margin:2px 0}@media (max-width: 620px){.route-station{width:74px}.route-edge{width:18px}.route-solidity{display:none}}