:root {
  color-scheme: light;
  --bg: radial-gradient(circle at 20% 20%, rgba(52, 211, 153, 0.12), transparent 25%),
    radial-gradient(circle at 80% 0%, rgba(59, 130, 246, 0.12), transparent 25%),
    linear-gradient(135deg, #0b1224 0%, #111827 50%, #0f172a 100%);
  --card: rgba(255, 255, 255, 0.08);
  --card-strong: rgba(255, 255, 255, 0.18);
  --line: rgba(255, 255, 255, 0.14);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --accent: #34d399;
  --accent-strong: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --shadow: 0 16px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background-image: var(--bg);
  min-height: 100vh;
  color: var(--text);
}

a {
  color: inherit;
}

#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 24px;
  backdrop-filter: blur(12px);
}

.layout-grid {
  display: grid;
  gap: 16px;
}

.hero {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: center;
}

.hero-title {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 12px;
}

.hero-sub {
  color: var(--muted);
  margin: 0 0 16px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--card-strong);
  border: 1px solid var(--line);
  color: var(--muted);
}

label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: -0.01em;
}

input,
select {
  width: 100%;
  border-radius: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 15px;
}

input::placeholder {
  color: #94a3b8;
}

button {
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

button.primary {
  background: linear-gradient(135deg, #34d399, #22c55e);
  color: #0f172a;
  box-shadow: 0 10px 30px rgba(52, 211, 153, 0.4);
}

button.secondary {
  background: var(--card-strong);
  color: var(--text);
  border: 1px solid var(--line);
}

button.danger {
  background: linear-gradient(135deg, #ef4444, #f87171);
  color: #fff;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

form {
  display: grid;
  gap: 12px;
}

.rooms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.room-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  display: grid;
  gap: 10px;
}

.meta {
  color: var(--muted);
  font-size: 14px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 10px;
  background: var(--card-strong);
  color: var(--text);
  font-weight: 600;
}

.status-pill.police {
  background: rgba(52, 211, 153, 0.18);
  color: #bbf7d0;
}

.status-pill.thief {
  background: rgba(59, 130, 246, 0.15);
  color: #bfdbfe;
}

.status-pill.caught {
  background: rgba(239, 68, 68, 0.2);
  color: #fecdd3;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

.table th,
.table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}

.table th {
  color: var(--muted);
  font-weight: 600;
}

.stack {
  display: grid;
  gap: 10px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.alert {
  border-radius: 12px;
  padding: 12px 14px;
  background: rgba(239, 68, 68, 0.15);
  color: #fecdd3;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.success {
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.4);
  color: #bbf7d0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--card-strong);
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 10px;
  color: var(--muted);
  font-weight: 600;
}

.columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.rule-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.rule-item {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 12px 14px;
  border-radius: 12px;
  display: flex;
  gap: 10px;
}

.rule-item strong {
  color: var(--text);
}

.inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.timer {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--card-strong);
  border: 1px solid var(--line);
  color: var(--text);
}

.divider {
  height: 1px;
  width: 100%;
  background: var(--line);
  margin: 8px 0;
}

@media (max-width: 640px) {
  #app {
    padding: 20px 12px 60px;
  }

  button {
    width: 100%;
  }

  .actions {
    flex-direction: column;
  }
}