:root {
  --amber: #ffb000;
  --amber-dim: #6b4a00;
  --amber-glow: rgba(255, 176, 0, 0.45);
  --bg: #0a0806;
  --bg-panel: #120d08;
  --line: #2a2117;
  --red: #ff4d3d;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--amber);
  font-family: "Share Tech Mono", ui-monospace, monospace;
}

body {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px 16px 60px;
}

.board {
  width: 100%;
  max-width: 900px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.6), inset 0 0 60px rgba(255, 176, 0, 0.03);
  overflow: hidden;
}

.board-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 22px 14px;
  border-bottom: 1px solid var(--line);
}

.board-head h1 {
  font-family: "Silkscreen", ui-monospace, monospace;
  font-weight: 700;
  font-size: clamp(22px, 4vw, 32px);
  letter-spacing: 4px;
  margin: 0;
  text-shadow: 0 0 12px var(--amber-glow);
}

.board-head h1 .dot {
  color: var(--red);
  animation: blink 2s steps(1) infinite;
  margin-left: 4px;
}

.head-meta {
  font-size: 13px;
  color: var(--amber-dim);
  letter-spacing: 1px;
}

.head-meta .sep { margin: 0 8px; opacity: 0.5; }
#clock { color: var(--amber); }

.col-labels, .row {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 0.9fr 1fr 0.8fr;
  gap: 8px;
  padding: 10px 22px;
  align-items: center;
}

.col-labels {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--amber-dim);
  border-bottom: 1px solid var(--line);
}

.rows {
  min-height: 200px;
  max-height: 62vh;
  overflow-y: auto;
}

.row {
  font-size: 15px;
  border-bottom: 1px solid var(--line);
  animation: flicker-in 0.4s ease-out;
}

.row:nth-child(odd) { background: rgba(255, 176, 0, 0.02); }

.row .c-flight {
  font-weight: bold;
  text-shadow: 0 0 6px var(--amber-glow);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row .c-flight small {
  display: block;
  color: var(--amber-dim);
  font-weight: normal;
  font-size: 11px;
}

.row .c-brg {
  display: flex;
  align-items: center;
  gap: 6px;
}

.arrow {
  display: inline-block;
  transform-origin: center;
}

.ground-badge {
  color: var(--amber-dim);
  font-size: 11px;
  border: 1px solid var(--amber-dim);
  border-radius: 3px;
  padding: 1px 4px;
  margin-left: 6px;
}

.emergency {
  color: var(--red) !important;
  animation: blink 1s steps(1) infinite;
}

.empty, .error {
  padding: 40px 22px;
  text-align: center;
  color: var(--amber-dim);
  letter-spacing: 1px;
}

.error { color: var(--red); }

.board-foot {
  padding: 10px 22px;
  font-size: 11px;
  color: var(--amber-dim);
  letter-spacing: 1px;
  border-top: 1px solid var(--line);
}

.board-foot .sep { margin: 0 8px; opacity: 0.5; }

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.15; }
}

@keyframes flicker-in {
  0% { opacity: 0; }
  30% { opacity: 0.6; }
  45% { opacity: 0.1; }
  60% { opacity: 0.8; }
  100% { opacity: 1; }
}

@media (max-width: 640px) {
  .col-labels { display: none; }
  .row {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "flight flight"
      "type alt"
      "gs dist"
      "brg brg";
    row-gap: 4px;
    padding: 12px 16px;
  }
  .row .c-flight { grid-area: flight; }
  .row .c-type { grid-area: type; }
  .row .c-alt { grid-area: alt; }
  .row .c-gs { grid-area: gs; }
  .row .c-dist { grid-area: dist; }
  .row .c-brg { grid-area: brg; }
}