/* Live train radar page. Full-viewport map layout — separate from styles.css
   because the board's centered-column body rules conflict with a map page. */

/* keep in sync with styles.css :root */
:root {
  --bg: #0b1020;
  --bg-soft: #141a2e;
  --card: #1b2238;
  --card-hi: #243a2e;
  --text: #eef2ff;
  --muted: #97a1c4;
  --accent: #ffd23f;
  --accent-soft: #3ddc84;
  --line: #2a3350;
  --danger: #ff6b6b;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

#map { position: fixed; inset: 0; background: var(--bg); }

/* Vehicle overlay: clicks fall through to the map; hit-testing runs on map clicks. */
#radar {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
}

/* ---------- top bar ---------- */

.radar-top {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: calc(10px + env(safe-area-inset-top)) 14px 10px;
  background: rgba(11, 16, 32, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.radar-bar {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* vehicle-type filter chips */
.radar-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.modechip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s, opacity 0.15s;
}
.modechip__i { font-size: 0.95rem; filter: grayscale(0.7); }
.modechip[aria-pressed="true"] {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(255, 210, 63, 0.1);
}
.modechip[aria-pressed="true"] .modechip__i { filter: none; }
.modechip[aria-pressed="false"] { opacity: 0.55; }
.modechip:active { transform: scale(0.96); }

.radar-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  text-decoration: none;
  font-size: 1.1rem;
  flex: none;
}
.radar-back:hover { border-color: var(--accent); }

.radar-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.2px;
  flex: 1 1 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.radar-count {
  color: var(--muted);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* live pill — same look as the board (copied from styles.css) */
.live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 10px 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  font-weight: 700;
  letter-spacing: 0.1em;
  font-size: 0.7rem;
  flex: none;
}
.live__dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent-soft);
  box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.7);
  animation: pulse 1.8s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.7); }
  70%  { box-shadow: 0 0 0 10px rgba(61, 220, 132, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0); }
}
.live--ok .live__text { color: var(--accent-soft); }
.live--loading .live__dot { background: var(--accent); animation: pulse-amber 1s ease-out infinite; }
.live--loading .live__text { color: var(--accent); }
@keyframes pulse-amber {
  0%   { box-shadow: 0 0 0 0 rgba(255, 210, 63, 0.7); }
  70%  { box-shadow: 0 0 0 9px rgba(255, 210, 63, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 210, 63, 0); }
}
.live--error .live__dot { background: var(--danger); animation: none; }
.live--error .live__text { color: var(--danger); }

/* ---------- toast ---------- */

.radar-toast {
  position: fixed;
  top: calc(104px + env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  max-width: min(92vw, 480px);
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--danger);
  background: rgba(11, 16, 32, 0.92);
  color: var(--text);
  font-size: 0.85rem;
  text-align: center;
  box-shadow: var(--shadow);
}

/* ---------- bottom sheet ---------- */

.sheet {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 30;
  max-height: 62vh;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: var(--shadow);
  padding: 6px 16px calc(16px + env(safe-area-inset-bottom));
  transform: translateY(105%);
  transition: transform 0.25s ease;
}
.sheet--open { transform: none; }
.sheet[hidden] { display: block; visibility: hidden; }
.sheet--open[hidden] { visibility: visible; }

.sheet__grab {
  width: 44px; height: 5px;
  border-radius: 3px;
  background: var(--line);
  margin: 6px auto 10px;
}

.sheet__close {
  position: absolute;
  top: 10px; right: 12px;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
}
.sheet__close:hover { border-color: var(--accent); color: var(--text); }

@media (min-width: 720px) {
  .sheet {
    left: auto;
    right: 16px;
    bottom: 16px;
    width: 380px;
    max-height: min(70vh, 640px);
    border-radius: var(--radius);
    border-bottom: 1px solid var(--line);
    transform: translateY(calc(100% + 24px));
  }
  .sheet--open { transform: none; }
}

/* ---------- panel content ---------- */

.sheet__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-right: 34px;
}

.sheet__badge {
  flex: none;
  min-width: 44px;
  padding: 6px 10px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  text-align: center;
}

.sheet__route { font-weight: 800; font-size: 1.02rem; line-height: 1.3; }
.sheet__route .arrow { color: var(--accent); margin: 0 4px; }
.sheet__sub {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}
.sheet__sub .delay-late { color: var(--danger); font-weight: 700; }
.sheet__sub .delay-ok { color: var(--accent-soft); font-weight: 700; }

.sheet__section {
  margin: 14px 0 4px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* stop list */
.stops { list-style: none; margin: 6px 0 0; padding: 0; }
.stop {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 0.92rem;
}
.stop__time {
  flex: none;
  width: 52px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.stop__name { flex: 1 1 auto; min-width: 0; }
.stop__delay { flex: none; font-size: 0.78rem; font-weight: 700; color: var(--danger); }
.stop--past { opacity: 0.45; }
.stop--next {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
}

/* wagon strip */
.wagons {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: 8px 2px 10px;
  -webkit-overflow-scrolling: touch;
}
.wagon {
  flex: none;
  min-width: 52px;
  padding: 8px 6px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  text-align: center;
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.35;
}
.wagon__icon { display: block; font-size: 1.05rem; }
.wagon--loco { border-color: var(--accent); color: var(--text); }
.wagon--first { border-color: var(--accent-soft); }
.wagon__tags { display: block; font-size: 0.62rem; letter-spacing: 0.02em; }
.wagons-note { color: var(--muted); font-size: 0.8rem; margin: 4px 0 0; }

.sheet__credit {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
}
.sheet__credit a { color: var(--muted); }

/* ---------- key setup sheet ---------- */

.sheet--keys { z-index: 40; }
.keys__title { margin: 0 0 6px; font-size: 1.05rem; }
.keys__text { margin: 0 0 12px; color: var(--muted); font-size: 0.88rem; line-height: 1.45; }
.keys__text a { color: var(--accent); }
.keys__field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.keys__field input {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 0.95rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.keys__field input:focus { outline: none; border-color: var(--accent); }
.keys__save {
  width: 100%;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #1a1300;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
}
.keys__save:active { transform: scale(0.98); }

/* ---------- maplibre chrome on dark ---------- */

.maplibregl-ctrl-attrib {
  background: rgba(11, 16, 32, 0.6) !important;
  color: var(--muted);
}
.maplibregl-ctrl-attrib a { color: var(--muted); }
.maplibregl-ctrl-group {
  background: var(--bg-soft) !important;
  border: 1px solid var(--line);
}
.maplibregl-ctrl-group button + button { border-top: 1px solid var(--line); }
.maplibregl-ctrl button .maplibregl-ctrl-icon { filter: invert(0.85); }
.maplibregl-canvas { outline: none; }

@media (prefers-reduced-motion: reduce) {
  .sheet { transition: none; }
  .live__dot { animation: none !important; }
}