:root {
  --bg: #0f172a;
  --card: #1e293b;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #f59e0b;
  --error: #ef4444;
  --success: #22c55e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
}

.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.status {
  text-align: center;
  margin-bottom: 1rem;
  min-height: 1.5rem;
  color: var(--success);
}

.prompt {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  text-align: center;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input[type="number"], input[type="password"] {
  padding: 1rem;
  font-size: 1.5rem;
  border-radius: 0.5rem;
  border: 2px solid var(--card);
  background: var(--card);
  color: var(--text);
  text-align: center;
  -moz-appearance: textfield;
}

input::-webkit-outer-spin-button, input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

button {
  padding: 1rem;
  font-size: 1.25rem;
  background: var(--accent);
  border: none;
  border-radius: 0.5rem;
  color: #111;
  font-weight: 600;
  cursor: pointer;
}

button:active { transform: translateY(1px); }

.error {
  color: var(--error);
  text-align: center;
  min-height: 1.5rem;
  margin-top: 0.5rem;
}

.deadline {
  text-align: center;
  color: var(--muted);
  margin-top: 2rem;
  font-size: 0.9rem;
}

.winner {
  text-align: center;
  padding: 2rem;
  background: var(--card);
  border-radius: 1rem;
}
.trophy { font-size: 4rem; margin: 0.5rem 0; }
.winner-label { color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.winner-car { font-size: 2.5rem; color: var(--accent); font-weight: 700; }

/* Admin styles */
.leaderboard { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.leaderboard th, .leaderboard td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--card);
}
.leaderboard tr.winner-row { background: rgba(245, 158, 11, 0.15); font-weight: 700; }
.actions { margin-top: 1.5rem; display: flex; gap: 0.75rem; }
.actions a, .actions button { flex: 1; text-align: center; text-decoration: none; }