/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0a0a0f;
  --text: #e0ddd5;
  --text-dim: #6a6860;
  --accent: #ffb830;
  --accent-dim: rgba(255, 184, 48, 0.3);
  --surface: rgba(10, 10, 15, 0.85);
  --border: rgba(255, 255, 255, 0.08);
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  -webkit-font-smoothing: antialiased;
}

/* ── Loading Screen ──────────────────────────────────────── */
#loading {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loading.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-content {
  text-align: center;
}

.loading-pulse {
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: pulse-glow 1.5s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 4px var(--accent), 0 0 12px var(--accent-dim); transform: scale(1); }
  50% { box-shadow: 0 0 12px var(--accent), 0 0 40px var(--accent-dim); transform: scale(1.3); }
}

.loading-text {
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0% { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75% { content: '...'; }
}

/* ── Map ─────────────────────────────────────────────────── */
#map {
  position: fixed;
  inset: 0;
  z-index: 1;
}

.maplibregl-ctrl-attrib { display: none !important; }

/* ── Header ──────────────────────────────────────────────── */
#header {
  position: fixed;
  top: 20px;
  left: 24px;
  z-index: 10;
  pointer-events: none;
}

#header h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent);
  line-height: 1;
  text-shadow: 0 0 30px var(--accent-dim);
}

.subtitle {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  margin-top: 4px;
  text-transform: uppercase;
}

/* ── Clock ───────────────────────────────────────────────── */
#clock {
  position: fixed;
  top: 20px;
  right: 24px;
  z-index: 10;
  font-size: 42px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.05em;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
  pointer-events: none;
  font-variant-numeric: tabular-nums;
}

/* ── Counter ─────────────────────────────────────────────── */
#counter {
  position: fixed;
  top: 72px;
  right: 24px;
  z-index: 10;
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  pointer-events: none;
}

#active-count {
  color: var(--accent);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ── Controls ────────────────────────────────────────────── */
#controls {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.control-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.control-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}

#play-btn {
  min-width: 44px;
  text-align: center;
  font-size: 12px;
  letter-spacing: 1px;
}

#speed-controls {
  display: flex;
  gap: 4px;
}

.speed-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.speed-btn:hover {
  color: var(--text);
}

.speed-btn.active {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: rgba(255, 184, 48, 0.08);
}

/* ── Scrubber ────────────────────────────────────────────── */
#scrubber-wrap {
  flex: 1;
  min-width: 0;
}

#scrubber {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

#scrubber::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  border: none;
  box-shadow: 0 0 8px var(--accent-dim);
  cursor: grab;
}

#scrubber::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  border: none;
  box-shadow: 0 0 8px var(--accent-dim);
  cursor: grab;
}

.scrubber-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  font-size: 9px;
  color: var(--text-dim);
  opacity: 0.6;
}

/* ── Operator Panel ──────────────────────────────────────── */
#operator-panel {
  position: fixed;
  top: 90px;
  left: 24px;
  z-index: 10;
}

#operator-list {
  margin-top: 8px;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  max-height: 60vh;
  overflow-y: auto;
  min-width: 220px;
}

#operator-list.hidden {
  display: none;
}

.operator-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-dim);
  transition: all 0.15s ease;
  border: none;
  background: none;
  width: 100%;
  font-family: var(--font-mono);
  text-align: left;
}

.operator-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.operator-item.active {
  color: var(--text);
}

.operator-item.show-all {
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
  padding-bottom: 10px;
  color: var(--accent);
  font-weight: 600;
}

.operator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.operator-count {
  margin-left: auto;
  opacity: 0.5;
  font-size: 10px;
}

/* ── Train Info ──────────────────────────────────────────── */
#train-info {
  position: fixed;
  bottom: 100px;
  right: 24px;
  z-index: 10;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  min-width: 240px;
  max-width: 300px;
}

#train-info.hidden {
  display: none;
}

#train-info-close {
  position: absolute;
  top: 8px;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

#train-info-close:hover {
  color: var(--text);
}

.info-operator {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.info-route {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.info-id {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.info-progress {
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 8px;
}

.info-progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 640px) {
  /* Header — compact but legible */
  #header { top: 10px; left: 12px; }
  #header h1 { font-size: 18px; letter-spacing: 0.2em; }
  .subtitle { font-size: 9px; letter-spacing: 0.08em; }

  /* Clock & counter — right-aligned, tighter spacing */
  #clock { top: 10px; right: 12px; font-size: 24px; }
  #counter { top: 40px; right: 12px; font-size: 10px; }

  /* Controls bar — two-row layout: buttons top, scrubber bottom */
  #controls {
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px 12px;
    padding-bottom: max(10px, env(safe-area-inset-bottom));
    border-radius: 12px 12px 0 0;
    flex-wrap: wrap;
    gap: 8px;
  }

  #play-btn {
    min-width: 40px;
    padding: 8px 10px;
  }

  #speed-controls { gap: 2px; }

  .speed-btn {
    font-size: 11px;
    padding: 6px 8px;
    min-width: 36px;
    min-height: 36px;
    text-align: center;
  }

  /* Scrubber fills full width on its own row */
  #scrubber-wrap {
    order: 10;
    flex-basis: 100%;
  }

  /* Bigger thumb for touch — 44px tap target */
  #scrubber { height: 6px; }
  #scrubber::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
  }
  #scrubber::-moz-range-thumb {
    width: 22px;
    height: 22px;
  }

  /* Show fewer time labels to avoid crowding */
  .scrubber-labels { font-size: 8px; }
  .scrubber-labels span:nth-child(2n) { display: none; }

  /* Operator panel — full-width dropdown, capped height */
  #operator-panel { top: 56px; left: 12px; right: 12px; }
  #operator-toggle { font-size: 11px; padding: 6px 10px; }

  #operator-list {
    min-width: unset;
    width: 100%;
    max-height: 50vh;
    max-width: none;
  }

  .operator-item {
    padding: 8px 8px;
    font-size: 11px;
    min-height: 36px;
  }

  /* Train info — anchored above controls, full width */
  #train-info {
    bottom: auto;
    top: auto;
    right: 8px;
    left: 8px;
    max-width: none;
    min-width: unset;
    /* Position above the controls bar (~80px controls height) */
    bottom: 82px;
  }

  .info-route { font-size: 14px; }
  .info-operator { font-size: 9px; }
  .info-id { font-size: 10px; }
}

/* ── Very small screens (under 380px) ────────────────────── */
@media (max-width: 380px) {
  #header h1 { font-size: 16px; letter-spacing: 0.15em; }
  .subtitle { display: none; }
  #clock { font-size: 20px; }
  #counter { top: 36px; font-size: 9px; }

  .speed-btn {
    font-size: 10px;
    padding: 5px 6px;
    min-width: 32px;
    min-height: 32px;
  }
}