:root {
  --bg: #0b0d12;
  --panel: #161a22;
  --border: #262b36;
  --text: #e8eaed;
  --muted: #8a90a0;
  --green: #3ddc84;
  --jq-orange: #ff6600;
  --amber: #f5b942;
  --gray: #565d6d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 1.1rem;
  margin: 0;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#last-poll {
  font-size: 0.8rem;
  color: var(--muted);
}

#refresh-btn,
#subscribe-link {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
}

#refresh-btn:hover,
#subscribe-link:hover {
  border-color: var(--jq-orange);
  color: var(--jq-orange);
}

#refresh-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

#map {
  height: 340px;
  width: 100%;
  background: #10131a;
}

#map .leaflet-tile-pane {
  filter: invert(92%) hue-rotate(180deg) brightness(0.95) contrast(0.9);
}

#map .leaflet-marker-icon,
#map .leaflet-overlay-pane {
  filter: none;
}

main#cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  padding: 1.25rem 1.5rem 2rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.reg {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge.unseen { background: rgba(86,93,109,0.2); color: var(--gray); }
.badge.grounded { background: rgba(86,93,109,0.25); color: #aeb4c2; }
.badge.airborne_other { background: rgba(255,102,0,0.15); color: var(--jq-orange); }
.badge.en_route { background: rgba(61,220,132,0.15); color: var(--green); }
.badge.landed { background: rgba(245,185,66,0.18); color: var(--amber); }

.route {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.flight-no {
  color: var(--muted);
  font-size: 0.8rem;
}

.eta {
  margin-top: 0.6rem;
  font-size: 1.4rem;
  font-weight: 600;
}

.eta small {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--muted);
  display: block;
  margin-top: 0.1rem;
}

.meta {
  margin-top: 0.6rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.empty {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 1rem 1.5rem;
}