:root {
  --bg: #0d1117; --panel: #151b23; --rule: #2b3440; --ink: #e6edf3; --dim: #8b98a5;
  --pup: #f0b429; --tail: #3fb6a8; --seen: #e5534b; --route: #3a4654;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 var(--mono); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
a { color: var(--ink); }
.dim { color: var(--dim); } .small { font-size: 12px; }
.top { border-bottom: 1px solid var(--rule); position: sticky; top: 0; background: var(--bg); z-index: 2; }
.top .wrap { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; }
.brand { font-weight: 700; letter-spacing: .08em; }
nav { display: flex; gap: 14px; } nav a { color: var(--dim); text-decoration: none; } nav a:hover { color: var(--ink); }
.hero { padding: 28px 0 8px; }
h1 { font-size: 28px; margin: 0 0 8px; letter-spacing: .02em; }
.lede { max-width: 720px; color: var(--dim); margin: 0 0 16px; } .lede b { color: var(--ink); font-weight: 400; }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; }
.facts > div { background: var(--panel); padding: 10px 12px; display: flex; flex-direction: column; gap: 2px; }
.facts .k { font-size: 11px; color: var(--dim); letter-spacing: .08em; } .facts .v { font-weight: 700; }
@media (max-width: 700px) { .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); } h1 { font-size: 22px; } }
.panel { background: var(--panel); border: 1px solid var(--rule); border-radius: 6px; padding: 16px; margin: 16px 0; scroll-margin-top: 56px; }
.ph { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
h2 { font-size: 15px; letter-spacing: .1em; margin: 0; }
h3 { font-size: 12px; letter-spacing: .1em; color: var(--dim); font-weight: 400; margin: 14px 0 6px; }
.chip { font-size: 11px; letter-spacing: .08em; border: 1px solid var(--rule); border-radius: 3px; padding: 2px 6px; color: var(--dim); }
.chip.ok { color: var(--tail); border-color: var(--tail); } .chip.bad { color: var(--seen); border-color: var(--seen); }
.live-grid, .train-grid, .two { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 20px; }
.train-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.two { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); }
@media (max-width: 820px) { .live-grid, .train-grid, .two { grid-template-columns: minmax(0, 1fr); } }
.map svg, .trace svg { display: block; width: 100%; height: auto; }
.route { fill: none; stroke: var(--route); stroke-width: 1.2; stroke-linejoin: round; }
.gate { fill: none; stroke: var(--pup); stroke-width: .5; stroke-dasharray: 1 1; }
.ring { fill: none; stroke: var(--dim); stroke-width: .3; stroke-dasharray: 1.2 1; }
.view { fill: var(--seen); fill-opacity: .16; stroke: var(--seen); stroke-width: .3; }
.pupdot { fill: var(--pup); stroke: var(--bg); stroke-width: .5; }
.trail { fill: none; stroke: var(--pup); stroke-opacity: .5; stroke-width: .6; }
.pl { stroke: var(--bg); stroke-width: .5; }
.pl.tail { fill: var(--tail); } .pl.seen { fill: var(--seen); }
.pl.near { fill: none; stroke: var(--dim); stroke-width: .4; }
.heatdot { fill: var(--seen); fill-opacity: .45; }
.lbl { fill: var(--ink); font: 3px var(--mono); paint-order: stroke; stroke: var(--bg); stroke-width: .8; }
.key i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin: 0 4px -1px 10px; }
.key i:first-child { margin-left: 0; }
.k-pup { background: var(--pup); } .k-tail { background: var(--tail); } .k-seen { background: var(--seen); }
.k-near { border: 1px solid var(--dim); } .k-ring { border: 1px dashed var(--dim); }
.k-view { background: rgba(229, 83, 75, .25); border: 1px solid var(--seen); border-radius: 10px 10px 0 0 !important; }
.table-wrap { overflow-x: auto; } .table-wrap.scroll { max-height: 340px; overflow-y: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 6px; border-top: 1px solid var(--rule); white-space: nowrap; }
th { color: var(--dim); font-weight: 400; font-size: 11px; letter-spacing: .06em; border-top: 0; position: sticky; top: 0; background: var(--panel); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.pick { cursor: pointer; } tr.pick:hover td { background: #1b232d; } tr.sel td { background: #1f2a36; }
tr.pick:focus-visible { outline: 1px solid var(--tail); outline-offset: -1px; }
.bar { display: inline-block; width: 64px; height: 8px; background: var(--rule); border-radius: 2px; vertical-align: middle; overflow: hidden; margin-right: 6px; }
.bar i { display: block; height: 100%; background: var(--seen); }
.why-caught { color: var(--seen); } .why-lost, .why-feed { color: var(--dim); } .why-open { color: var(--tail); }
.trace .band { fill: var(--seen); fill-opacity: .1; }
.trace .lost { fill: var(--dim); fill-opacity: .08; }
.trace .ideal { stroke: var(--tail); stroke-dasharray: 3 3; stroke-width: 1; }
.trace .line { fill: none; stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; }
.trace .spot { fill: var(--seen); stroke: var(--panel); stroke-width: 2; }
.trace .axis { fill: var(--dim); font: 10px var(--mono); }
.trace .grid { stroke: var(--rule); stroke-width: 1; }
.race { border-top: 1px solid var(--rule); padding: 10px 0; }
.race:first-child { border-top: 0; }
.race .head { display: flex; gap: 10px; flex-wrap: wrap; align-items: baseline; }
.race .kind { font-size: 11px; letter-spacing: .08em; border: 1px solid var(--rule); border-radius: 3px; padding: 1px 5px; }
.race .kind.official { color: var(--pup); border-color: var(--pup); }
.rules ol { padding-left: 20px; margin: 10px 0 0; } .rules li { margin: 6px 0; color: var(--dim); } .rules b { color: var(--ink); font-weight: 400; }
footer { padding: 8px 0 32px; }
.empty { color: var(--dim); padding: 8px 6px; }