:root {
  color-scheme: light dark;
  --bg: #12161c;
  --panel: #1b212b;
  --text: #e8ecf1;
  --muted: #8b96a5;
  --accent: #4fa3ff;
  --border: #2a3240;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  padding: 24px 16px 48px;
}
main {
  max-width: 480px;
  margin: 0 auto;
}
h1 {
  font-size: 1.4rem;
  margin-bottom: 4px;
}
.sub {
  color: var(--muted);
  margin-top: 0;
  margin-bottom: 24px;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}
input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0f1319;
  color: var(--text);
  font-size: 1rem;
}
button {
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #0a0e14;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: default; }
button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.row { display: flex; gap: 8px; align-items: center; justify-content: space-between; }
.table-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.table-row:last-child { border-bottom: none; }
.muted { color: var(--muted); font-size: 0.85rem; }
.error { color: #ff6b6b; margin-top: 8px; font-size: 0.9rem; }
.seat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}
.seat-chip {
  padding: 8px;
  border-radius: 8px;
  background: #0f1319;
  border: 1px solid var(--border);
  text-align: center;
  font-size: 0.9rem;
}
.seat-chip.filled { border-color: var(--accent); }
.seat-chip.me { background: rgba(79, 163, 255, 0.15); }