:root {
  color-scheme: dark;
  --bg: #091321;
  --panel: #101e30;
  --panel-soft: #16283d;
  --text: #e8f0fa;
  --muted: #9bb0c9;
  --border: #2a4260;
  --accent: #8bbcff;
}

* {
  box-sizing: border-box;
}

html,
body,
.app-shell,
#map {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.6 "Departure Mono", Consolas, monospace;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(275px, 340px) 1fr;
}

.panel {
  z-index: 1000;
  overflow-y: auto;
  padding: 1.25rem;
  background: var(--panel);
  border-right: 1px solid var(--border);
}

.back-link,
a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: #fff;
}

.back-link {
  display: inline-block;
  margin-bottom: 2.5rem;
  font-size: 11px;
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 0.12em;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.2;
}

h2 {
  margin-bottom: 0.6rem;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.intro,
.note,
.sources {
  color: var(--muted);
  font-size: 11px;
}

.status {
  margin: 1.25rem 0;
  padding: 0.65rem 0.75rem;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 11px;
}

.filters,
.legend {
  margin: 1.5rem 0;
}

.filters label {
  display: block;
  margin: 0.45rem 0;
  color: var(--muted);
  cursor: pointer;
}

.filters input {
  accent-color: var(--accent);
  margin-right: 0.45rem;
}

.legend div {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0.4rem 0;
  color: var(--muted);
  font-size: 11px;
}

.line-swatch {
  display: inline-block;
  width: 24px;
  height: 0;
  border-top: 3px solid;
}

.line-swatch--operational {
  border-color: #ff9f1c;
}

.line-swatch--tourist {
  border-color: #35e58b;
}

.line-swatch--suspended {
  border-color: #ffe047;
  border-top-style: dashed;
}

.line-swatch--historical {
  border-color: #d7e2ee;
  border-top-style: dashed;
}

.line-swatch--planned {
  border-color: #d09cff;
  border-top-style: dotted;
}

.line-swatch--official {
  border-color: #a8b8c9;
  border-top-width: 1px;
}

.note {
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.sources {
  margin-bottom: 0;
  font-size: 10px;
}

.leaflet-control-attribution {
  font-size: 10px;
}

.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
  background: #132238;
  color: #e8f0fa;
}

.leaflet-popup-content a {
  color: #8bbcff;
}

.railway-popup h3 {
  margin: 0 0 0.4rem;
  font-size: 14px;
}

.railway-popup p {
  margin: 0.2rem 0;
}

@media (max-width: 700px) {
  body {
    overflow: auto;
  }

  .app-shell {
    display: block;
  }

  .panel {
    max-height: 44vh;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  #map {
    height: 56vh;
    min-height: 360px;
  }

  .back-link {
    margin-bottom: 1rem;
  }
}