:root{--bg:#101418;--panel:#182028;--line:#2d3945;--ink:#eef2f5;--muted:#a3b0bc;--reach:#4fb3d9;--hot:#f0a13a}
*{box-sizing:border-box}
html{color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.top{max-width:1180px;margin:0 auto;padding:16px 20px 10px}
h1{margin:0;font-size:clamp(30px,5vw,46px);letter-spacing:-.02em;line-height:1.1}
.lede{margin:8px 0 0;max-width:760px;font-size:18px;color:var(--muted)}
.lede strong{color:var(--ink)}
.app{display:grid;grid-template-columns:minmax(0,1fr) 350px;grid-template-rows:minmax(360px,50vh) auto;gap:12px;max-width:1180px;margin:0 auto;padding:0 20px}
#map{grid-column:1;grid-row:1;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#0c1014}
.clock{grid-column:1;grid-row:2;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.clockhead{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
#play{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#26323d;color:var(--ink);font-size:16px;cursor:pointer}
#hourlabel{font-size:24px;font-weight:700;min-width:96px}
.big{margin-left:auto;font-size:26px;font-weight:700;font-variant-numeric:tabular-nums}
.big small{font-size:14px;font-weight:400;color:var(--muted)}
#hour{width:100%;margin:10px 0 2px;accent-color:var(--hot)}
.ticks{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}
#chart{height:56px;margin-top:6px}
#chart svg{width:100%;height:100%;display:block}
.legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:8px;font-size:13px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.sw{width:14px;height:14px;border-radius:3px;display:inline-block}
.ramp i{width:90px;height:10px;border-radius:3px;background:linear-gradient(90deg,#3a3226,#a56a1f,#f0a13a)}
.ramp b{font-weight:400}
#panel{grid-column:2;grid-row:1/3;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;overflow:auto}
#panel h2{margin:0;font-size:20px}
#panel h3{margin:16px 0 6px;font-size:14px;color:var(--muted);font-weight:600}
.sub{margin:2px 0 10px;color:var(--muted);font-size:14px}
.hint{color:var(--muted)}
.link{background:none;border:0;padding:0;color:var(--reach);font:inherit;text-decoration:underline;cursor:pointer}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.stat{background:#10171d;border-radius:8px;padding:8px 10px}
.stat b{display:block;font-size:22px;font-variant-numeric:tabular-nums}
.stat span{font-size:12px;color:var(--muted)}
.bars{display:flex;align-items:flex-end;gap:2px;height:64px}
.bars i{flex:1;min-height:2px;background:#566675;border-radius:2px 2px 0 0}
.bars i.on{background:var(--hot)}
.axis{display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}
.trip{font-size:13px;width:100%;margin:0}
.trip th,.trip td{padding:4px 3px;border-bottom:1px solid var(--line);text-align:right;font-weight:400}
.trip td:first-child,.trip th:first-child{text-align:left}
.trip .dest td{color:var(--ink);font-weight:600;text-align:left;border-bottom:0;padding-top:9px}
.note{font-size:12px;color:var(--muted)}
.copy{max-width:820px;margin:0 auto;padding:18px 20px 50px}
.copy h2{margin:28px 0 8px;font-size:21px}
.copy li{margin:6px 0}
table{border-collapse:collapse;width:100%}
.copy th,.copy td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:right;font-variant-numeric:tabular-nums}
.copy th:first-child,.copy td:first-child{text-align:left}
summary{cursor:pointer;color:var(--reach)}
.foot{margin-top:28px;color:var(--muted);font-size:14px}
.maplibregl-popup-content{background:var(--panel);color:var(--ink);font-size:13px}
@media (max-width:860px){
 .app{grid-template-columns:minmax(0,1fr);grid-template-rows:auto;padding:0 16px}
 #map{height:58vh;grid-row:auto}.clock,#panel{grid-column:1;grid-row:auto}
 .big{margin-left:0}
 .top,.copy{padding-left:16px;padding-right:16px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
@media (max-width:600px){.copy th,.copy td{padding:5px 4px;font-size:14px}.copy table{table-layout:fixed}.copy th{overflow-wrap:anywhere}}