:root {
  --bg: #0a0d10;
  --panel-bg: rgba(13, 17, 20, 0.78);
  --panel-border: rgba(255, 179, 0, 0.18);
  --panel-border-cyan: rgba(0, 229, 255, 0.18);
  --text: #dbe7e6;
  --text-muted: rgba(219, 231, 230, 0.55);
  --text-dim: rgba(219, 231, 230, 0.30);

  --amber: #ffb300;
  --amber-bg: rgba(255, 179, 0, 0.10);
  --cyan: #00e5ff;
  --cyan-bg: rgba(0, 229, 255, 0.10);
  --red: #ff3b30;
  --red-bg: rgba(255, 59, 48, 0.12);
  --green: #4caf50;
  --purple: #b388ff;
  --orange: #ff6d00;
  --orange-bg: rgba(255, 109, 0, 0.12);

  --font-ui: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;

  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  overflow: hidden;
}

#map {
  position: absolute;
  inset: 0;
}

.panel {
  position: absolute;
  background: var(--panel-bg);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 0.5px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
  padding: 12px 14px;
  z-index: 10;
}

/* ── Status panel (top-left) ─────────────────────────────────────────── */

#status-panel {
  top: 16px;
  left: 16px;
  min-width: 200px;
}

#status-panel .title {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
}

#status-panel .title .amber { color: var(--amber); }

#status-panel .subtitle {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 2px;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 11px;
  font-family: var(--font-mono);
}

.status-row .label {
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.dot.live { background: var(--green); box-shadow: 0 0 6px var(--green); animation: pulse 1.6s ease infinite; }
.dot.dead { background: var(--red); }

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
}
.badge.replay { background: var(--cyan-bg); color: var(--cyan); border: 0.5px solid var(--panel-border-cyan); }
.badge.live { background: var(--amber-bg); color: var(--amber); border: 0.5px solid var(--panel-border); }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ── Aircraft detail panel (right side) ──────────────────────────────── */

#detail-panel {
  top: 16px;
  right: 16px;
  width: 300px;
  transform: translateX(340px);
  transition: transform 0.22s ease;
}
#detail-panel.open { transform: translateX(0); }

#detail-panel .close-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  background: rgba(10, 13, 16, 0.55);
  border: none;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
}
#detail-panel .close-btn:hover { color: var(--text); }

.detail-photo {
  display: block;
  width: calc(100% + 32px);
  height: 200px;
  margin: -14px -16px 10px;
  object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0;
}
.detail-photo-credit {
  margin: -6px 0 8px;
  font-size: 9px;
  color: var(--text-dim);
  text-align: right;
}

#detail-panel .callsign {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.03em;
}

#detail-panel .hex {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
}

.badge-row {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

#detail-panel .emergency-flag {
  background: var(--red-bg);
  color: var(--red);
  border: 0.5px solid rgba(255, 59, 48, 0.3);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.favorite-btn {
  background: none;
  border: 0.5px solid var(--panel-border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-ui);
}
.favorite-btn:hover {
  color: var(--text);
}
.favorite-btn.active {
  color: #ffd54a;
  border-color: rgba(255, 213, 74, 0.4);
  background: rgba(255, 179, 0, 0.08);
}
.favorite-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.badge.military {
  background: var(--orange-bg);
  color: var(--orange);
  border: 0.5px solid rgba(255, 109, 0, 0.3);
  border-radius: 6px;
  padding: 4px 8px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.identity-line {
  font-size: 12px;
  margin-top: 6px;
}
.identity-line.muted {
  color: var(--text-muted);
  font-size: 11px;
}
.identity-line:empty {
  display: none;
}
.identity-line.route {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-weight: 700;
}

.data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.section-divider {
  margin-top: 16px;
  padding-top: 10px;
  border-top: 0.5px solid rgba(255, 255, 255, 0.08);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.data-cell .label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 3px;
}

.data-cell .value {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text);
}
.data-cell .value .unit {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: 3px;
}

/* ── Alerts feed (bottom-left) ───────────────────────────────────────── */

#alerts-panel {
  bottom: 16px;
  left: 16px;
  width: 280px;
  max-height: 160px;
  overflow-y: auto;
  display: none;
}
#alerts-panel.has-alerts { display: block; }

#alerts-panel .title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.alert-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 4px 0;
  border-top: 0.5px solid rgba(255, 255, 255, 0.06);
}
.alert-row:first-child { border-top: none; }
.alert-row .type { color: var(--red); font-weight: 700; flex-shrink: 0; }
.alert-row .msg { color: var(--text-muted); }

/* ── Emergency toast (top-center) ────────────────────────────────────── */

#toast-container {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.toast {
  background: var(--red-bg);
  border: 0.5px solid rgba(255, 59, 48, 0.4);
  color: var(--red);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: 8px;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  box-shadow: 0 8px 24px rgba(255, 59, 48, 0.25);
  animation: toast-in 0.2s ease;
}

@keyframes toast-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* ── Aircraft count (bottom-right) ───────────────────────────────────── */

#count-panel {
  bottom: 16px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  padding: 8px 12px;
}
#count-panel .n { color: var(--amber); font-weight: 700; }

/* ── Legend (bottom-center) ──────────────────────────────────────────── */

#legend-panel {
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}

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

/* ── Mini controls (range/filters panels, playback bar) ──────────────── */

.mini-btn {
  background: none;
  border: 0.5px solid var(--panel-border);
  border-radius: 6px;
  padding: 2px 10px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.mini-btn:hover { color: var(--text); }
.mini-btn.active { color: var(--amber); border-color: rgba(255, 179, 0, 0.4); background: var(--amber-bg); }
.mini-btn.wide { padding: 4px 16px; font-size: 11px; }

.mini-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
}
.mini-toggle input { accent-color: var(--amber); cursor: pointer; }

.mini-input {
  width: 56px;
  background: rgba(255, 255, 255, 0.04);
  border: 0.5px solid var(--panel-border);
  border-radius: 5px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 5px;
}
.mini-input::placeholder { color: var(--text-dim); }

.status-row .value {
  font-family: var(--font-mono);
  color: var(--amber);
}

/* ── Range/coverage panel (top, next to status) ──────────────────────── */

#range-panel {
  top: 16px;
  left: 236px;
  width: 180px;
}

/* ── Filters panel (top, next to range) ───────────────────────────────── */

#filters-panel {
  top: 16px;
  left: 428px;
  width: 220px;
}
#filters-panel .status-row { gap: 8px; }
#filter-range-row input[type='range'] { vertical-align: middle; accent-color: var(--cyan); width: 90px; }
#filter-range-value { font-family: var(--font-mono); font-size: 10px; color: var(--cyan); margin-left: 4px; }

/* ── Playback scrubber bar (full-width, docked bottom) ───────────────── */

#playback-bar {
  bottom: 0;
  left: 0;
  right: 0;
  border-radius: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 20px;
  z-index: 15;
}
#playback-bar .close-btn { position: static; background: none; }
#playback-slider {
  flex: 1;
  accent-color: var(--amber);
}
.playback-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  min-width: 150px;
  text-align: center;
}
#playback-speed {
  background: rgba(255, 255, 255, 0.04);
  border: 0.5px solid var(--panel-border);
  border-radius: 5px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 5px;
}

/* MapLibre attribution stays readable on dark background */
.maplibregl-ctrl-attrib { background: rgba(10, 13, 16, 0.6) !important; color: var(--text-dim) !important; }
.maplibregl-ctrl-attrib a { color: var(--text-muted) !important; }