:root {
  color-scheme: dark;
  --bg: #14181c;
  --panel: #1d242b;
  --ink: #e7ece8;
  --muted: #93a099;
  --line: #3c4742;
  --halt: #d64545;
  --fahrt: #3faf62;
  --lock: #f4f1e8;
  --occ: #e0a106;
  --amber: #f0b429;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
header, main { padding: 16px 20px; }
header { display: flex; justify-content: space-between; align-items: end; border-bottom: 1px solid var(--line); }
h1 { margin: 0; font-size: 28px; letter-spacing: 0.04em; }
.eyebrow { margin: 0 0 4px; color: var(--amber); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; }
#clock { font-variant-numeric: tabular-nums; font-size: 42px; color: var(--amber); }
.header-side { display: flex; gap: 18px; align-items: center; }
button, input { font: inherit; }
button { background: #2a3430; color: var(--ink); border: 1px solid var(--line); border-radius: 4px; padding: 8px 12px; cursor: pointer; }
button.primary { background: #245c38; border-color: #2f7a4a; }
button.warn { background: #6d3030; }
input { width: 100%; background: #101417; color: var(--ink); border: 1px solid var(--line); border-radius: 4px; padding: 8px; }
.banner { margin: 12px 20px; padding: 10px 12px; background: #2a2416; color: var(--amber); }
#auth { max-width: 440px; }
form { display: grid; gap: 10px; }
#desk { display: grid; grid-template-columns: 280px 1fr; gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px; margin-bottom: 12px; }
.card h2, .card h3 { margin: 0 0 8px; font-size: 15px; }
.station { display: block; width: 100%; text-align: left; margin-bottom: 8px; }
.station.active { outline: 1px solid var(--amber); }
svg { width: 100%; height: auto; background: #101417; border-radius: 6px; }
.rail { stroke: #667068; stroke-width: 5; stroke-linecap: round; }
.rail.locked { stroke: var(--lock); }
.rail.occupied { stroke: var(--occ); }
.track-label, .end-label { fill: #9aa59c; font-size: 12px; }
.zug rect { fill: #e0a106; stroke: #1a1404; }
.zug text { fill: #1a1404; font-size: 13px; font-weight: 700; }
.train-list { display: grid; gap: 8px; }
.train-card { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 8px 0; border-bottom: 1px solid #2a3330; }
.train-card p { margin: 4px 0 0; color: var(--ink); }
.signal { cursor: pointer; }
.signal circle { stroke: #0c0f11; stroke-width: 2; }
.signal.halt circle { fill: var(--halt); }
.signal.fahrt circle { fill: var(--fahrt); }
.signal.picked circle { stroke: var(--amber); stroke-width: 3; }
.point { fill: #8d9790; }
.point.locked { fill: var(--lock); }
.point.bad { fill: var(--halt); }
.muted { color: var(--muted); font-size: 13px; }
.late { color: var(--halt); }
.row { display: flex; justify-content: space-between; gap: 8px; padding: 4px 0; border-bottom: 1px solid #2a3330; }
.tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.error { color: var(--halt); min-height: 1.2em; }
@media (max-width: 860px) {
  #desk { grid-template-columns: 1fr; }
  #clock { font-size: 28px; }
}