:root{color-scheme:light dark;--bg: #f5f6f8;--card: #ffffff;--tile: #fafbfc;--fg: #14161a;--muted: #6b7280;--line: #e4e7eb;--line-strong: #d3d8de;--green: #14874a;--green-soft: #e4f4ea;--grey: #b3bac3;--red: #c0392b;--red-soft: #fdeceb;--amber: #a9721a;--amber-soft: #fdf6e6;--radius: 14px;--radius-sm: 10px;--shadow: 0 1px 2px rgb(16 24 40 / 4%), 0 10px 28px -14px rgb(16 24 40 / 14%);--shadow-lift: 0 2px 4px rgb(16 24 40 / 6%), 0 14px 34px -14px rgb(16 24 40 / 20%);--focus: 0 0 0 3px rgb(20 22 26 / 14%)}@media (prefers-color-scheme: dark){:root{--bg: #0c0f14;--card: #151a21;--tile: #1a2029;--fg: #e8edf3;--muted: #939daa;--line: #262d37;--line-strong: #333c48;--green: #3fb950;--green-soft: #10281a;--grey: #616c7a;--red: #f85149;--red-soft: #2a1416;--amber: #d5a12a;--amber-soft: #2a2110;--shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 10px 28px -14px rgb(0 0 0 / 60%);--shadow-lift: 0 2px 4px rgb(0 0 0 / 50%), 0 14px 34px -14px rgb(0 0 0 / 70%);--focus: 0 0 0 3px rgb(232 237 243 / 18%)}}*{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;text-rendering:optimizeLegibility}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--tile);border:1px solid var(--line);padding:1px 5px;border-radius:5px}:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px}.page{max-width:940px;margin:0 auto;padding:40px 20px 72px}.head{display:flex;align-items:center;gap:14px;margin-bottom:26px}.head-mark{flex:0 0 auto;width:42px;height:42px;border-radius:12px;background:var(--fg);color:var(--card);display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:.02em}.head h1{margin:0;font-size:25px;font-weight:700;letter-spacing:-.022em}.head-sub{margin:2px 0 0;color:var(--muted);font-size:14px}.lookup{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);margin-bottom:22px}.lookup label{color:var(--muted);font-size:14px}.lookup input{flex:1 1 140px;min-width:120px;padding:9px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--tile);color:inherit;font:inherit;font-variant-numeric:tabular-nums;transition:border-color .15s ease}.lookup input:focus{border-color:var(--fg)}.lookup button{padding:9px 18px;border:1px solid var(--fg);border-radius:var(--radius-sm);background:var(--fg);color:var(--card);font:inherit;font-weight:600;cursor:pointer;transition:opacity .15s ease,transform .06s ease}.lookup button:hover:not(:disabled){opacity:.88}.lookup button:active:not(:disabled){transform:translateY(1px)}.lookup button:disabled{opacity:.5;cursor:default}.notice{color:var(--muted)}.notice-error{padding:16px;border:1px solid var(--line);border-left:3px solid var(--red);border-radius:var(--radius);background:var(--card);color:var(--fg)}.notice-error strong{color:var(--red)}.notice-error p{margin:6px 0 0;color:var(--muted)}.summary{margin-bottom:20px}.summary h2{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 6px;font-size:20px;letter-spacing:-.015em}.state-pill{padding:2px 11px;border:1px solid var(--line-strong);border-radius:999px;background:var(--tile);color:var(--muted);font-size:13px;font-weight:600;letter-spacing:0}.summary-outcome{margin:0;color:var(--muted)}.summary-outcome a{color:var(--fg);text-underline-offset:3px}.summary-unknown{color:var(--amber);max-width:62ch}.route{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);padding:18px;margin-bottom:20px}.route-clock{display:flex;flex-direction:column;gap:3px;margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}.route-clock-label{font-weight:650;font-size:15px;letter-spacing:-.01em}.route-clock.is-open .route-clock-label{color:var(--red)}.route-clock-note{color:var(--muted);font-size:13.5px;max-width:62ch}.route-line{display:flex;align-items:flex-start;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:thin}.route-stop{display:flex;align-items:center;flex:0 0 auto}.route-edge{display:block;width:34px;height:3px;border-radius:2px;background:var(--line-strong);margin-top:15px;transition:background .2s ease}.route-edge.edge-passed{background:var(--green)}.route-station{display:flex;flex-direction:column;align-items:center;gap:3px;width:92px;padding:5px 2px;border:0;background:none;color:inherit;font:inherit;cursor:pointer;border-radius:var(--radius-sm);transition:background .15s ease}.route-station:hover{background:var(--tile)}.route-station.is-selected{background:var(--green-soft)}.route-dot{width:16px;height:16px;border-radius:50%;border:3px solid var(--grey);background:var(--card);transition:border-color .2s ease,background .2s ease,box-shadow .2s ease}.route-name{font-size:13px;text-align:center;line-height:1.25}.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:var(--card);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:var(--line)}.st-depot-idle .route-name{color:var(--muted)}.route-outlets{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-strong);font-size:13px}.outlet{padding:3px 10px;border:1px solid var(--line);border-radius:999px;background:var(--tile)}.outlet-reachable{color:var(--green);border-color:color-mix(in srgb,var(--green) 35%,var(--line))}.outlet-taken{color:var(--fg);font-weight:650;border-color:var(--line-strong)}.outlet-blocked{color:var(--muted)}.outlet-forever{color:var(--red);border-color:color-mix(in srgb,var(--red) 35%,var(--line))}.outlet-forever-note{font-size:11.5px;opacity:.85}.route-hint{margin:14px 0 0;color:var(--muted);font-size:13.5px;max-width:68ch}.numbers{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);padding:18px;margin-bottom:20px}.numbers h3{margin:0 0 14px;font-size:16px;letter-spacing:-.01em}.numbers dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(186px,1fr));gap:10px;margin:0}.row{display:flex;flex-direction:column;gap:3px;padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--tile)}.row dt{color:var(--muted);font-size:12px;line-height:1.35}.row dd{margin:0;font-variant-numeric:tabular-nums;font-size:16px;font-weight:600;letter-spacing:-.01em}.row.is-key{border-color:var(--line-strong)}.row.is-key dd{font-size:19px}.unit{color:var(--muted);font-size:12px;font-weight:400}.history,.chat{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}.history h3,.chat h3{margin:0 0 8px;font-size:16px;letter-spacing:-.01em}.history-note{margin:0 0 6px;color:var(--muted);font-size:13.5px;max-width:68ch}.chat{border-color:color-mix(in srgb,var(--amber) 30%,var(--line));background:var(--amber-soft)}.chat-warning{margin:0;font-size:13.5px;max-width:68ch}.foot{margin-top:26px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:12.5px}.foot p{margin:3px 0}.foot code{background:transparent;border:0;padding:0;color:var(--fg)}@media (max-width: 620px){.page{padding:26px 16px 56px}.head h1{font-size:22px}.route{padding:14px}.route-station{width:74px}.route-edge{width:18px}.route-solidity{display:none}.numbers dl{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}