:root {
  --paper: #14161c; --ink: #f0ecdf; --muted: #a3a29a; --line: #3a3d45;
  --card: #1c1f26; --acid: #d7ff4f; --cyan: #50d7d3; --coral: #ff6b4a; --purple: #8f75ec;
  --green: #46c05c; --amber: #dfa437;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.5; }
a { color: inherit; }
.top { max-width: 1240px; margin: 0 auto; padding: 18px 26px; display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; }
.top a.back { font: 600 13px var(--mono); text-decoration: none; color: var(--purple); }
.top h1 { margin: 0; font-size: clamp(1.4rem, 3vw, 2rem); letter-spacing: -.03em; }
.top .eyebrow { color: var(--purple); font: 700 11px var(--mono); text-transform: uppercase; letter-spacing: .12em; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 26px 40px; display: grid; grid-template-columns: 320px 1fr; gap: 16px; }
@media (max-width: 900px) { .wrap { grid-template-columns: 1fr; } }
.panel, .map-frame { background: var(--card); border: 1px solid var(--ink); box-shadow: 6px 6px 0 var(--ink); }
.panel { padding: 18px; align-self: start; display: flex; flex-direction: column; max-height: 680px; }
.panel h2 { margin: 0 0 4px; font-size: 1rem; letter-spacing: -.02em; }
.panel p.hint { margin: 0 0 12px; color: var(--muted); font-size: .85rem; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.filters button { padding: 6px 10px; border: 1px solid var(--ink); background: var(--card); color: var(--ink); cursor: pointer; font: 600 12px var(--mono); }
.filters button[aria-pressed="true"] { background: var(--acid); color: var(--paper); box-shadow: 3px 3px 0 var(--ink); }
.filters button:hover { background: var(--cyan); color: var(--paper); }
.readout { margin: 0 0 10px; display: flex; gap: 18px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 8px 0; }
.readout div { display: flex; flex-direction: column; }
.readout dt { font: 700 10px var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.readout dd { margin: 0; font: 600 15px var(--mono); }
.route-list { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
.route-list li { border: 1px solid var(--line); margin-bottom: 8px; }
.route-list button { display: block; width: 100%; text-align: left; padding: 9px 11px; border: 0; background: var(--card); color: var(--ink); cursor: pointer; font-family: var(--sans); }
.route-list li.selected { border-color: var(--ink); box-shadow: 3px 3px 0 var(--ink); }
.route-list li.selected button { background: var(--acid); color: var(--paper); }
.route-list button:hover { background: var(--cyan); color: var(--paper); }
.route-name { display: flex; align-items: center; gap: 7px; font-weight: 700; font-size: .85rem; letter-spacing: -.01em; }
.route-dot { width: 10px; height: 10px; border: 1px solid var(--ink); flex: none; }
.route-meta { margin-top: 2px; color: var(--muted); font: 500 11px var(--mono); }
.map-frame { position: relative; min-height: 620px; }
#map { position: absolute; inset: 0; background: #101318; }
.maplibregl-map { font-family: var(--sans); }
.maplibregl-popup-content { border-radius: 0; border: 1px solid var(--ink); box-shadow: 4px 4px 0 var(--ink); background: var(--card); padding: 12px 14px; font-family: var(--sans); }
.maplibregl-popup-close-button { font-size: 16px; padding: 2px 7px; }
.maplibregl-popup-tip { display: none; }
.popup h3 { margin: 0 0 2px; font-size: .95rem; letter-spacing: -.02em; }
.popup .cat { display: inline-block; margin-bottom: 8px; padding: 1px 7px; border: 1px solid var(--ink); font: 700 10px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: #fff; }
.popup .endpoints { margin: 0 0 8px; font: 600 12px var(--mono); }
.popup .specs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 14px; margin: 0 0 8px; }
.popup .specs dt { font: 700 10px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.popup .specs dd { margin: 0; font: 600 13px var(--mono); }
.popup .blurb { margin: 0; font-size: .8rem; color: var(--muted); max-width: 280px; }
footer { max-width: 1240px; margin: 0 auto; padding: 0 26px 40px; color: var(--muted); font-size: .85rem; }
footer code { font-family: var(--mono); }