body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: radial-gradient(circle at top, #0b1220, #09101a 40%, #05070d 100%);
  color: #f5f7ff;
}

main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem;
}

h1 {
  margin-bottom: 0.5rem;
}

section {
  border: 1px solid rgba(255,255,255,0.08);
  padding: 1.25rem;
  border-radius: 1rem;
  background: rgba(10, 16, 32, 0.88);
  margin-bottom: 1rem;
}

button {
  border: none;
  border-radius: 0.75rem;
  padding: 0.85rem 1rem;
  background: #4c60ff;
  color: white;
  cursor: pointer;
  font-weight: 700;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.hidden {
  display: none;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.form-grid label {
  display: grid;
  gap: 0.5rem;
  min-width: 180px;
}

.room-controls {
  grid-template-columns: minmax(180px, 1fr) repeat(5, auto);
  align-items: end;
}

..card-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.table-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.table-box {
  flex: 1;
  min-width: 220px;
  padding: 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.table-box strong {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.card {
  width: 3rem;
  height: 4rem;
  border-radius: 0.75rem;
  background: rgba(255,255,255,0.08);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.card.red {
  color: #f76c6c;
}

.card.black {
  color: #f3f4ff;
}

.player-row,
.action-row,
.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

textarea {
  width: 100%;
  min-height: 8rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: #f5f7ff;
  padding: 0.8rem;
  resize: none;
}

input[type="text"] {
  flex: 1;
  min-width: 220px;
  border-radius: 0.75rem;
  border: 1px solid rgba(255,255,255,0.12);
  padding: 0.85rem;
  background: rgba(255,255,255,0.04);
  color: #f5f7ff;
}