:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top, #1f8f45, #0f4f24 60%, #0b3519);
  color: #f6f6f6;
  display: grid;
  place-items: center;
}

.game {
  width: min(920px, 92vw);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 1.5rem;
  backdrop-filter: blur(4px);
}

h1 {
  margin: 0 0 1rem;
  text-align: center;
}

.status-panel {
  background: rgba(0, 0, 0, 0.25);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  text-align: center;
}

#statusMessage {
  margin: 0;
  font-weight: 600;
}

.table {
  display: grid;
  gap: 1rem;
}

.hand {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 1rem;
}

.hand h2 {
  margin-top: 0;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  min-height: 82px;
}

.card {
  width: 54px;
  height: 74px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: #fff;
  color: #111;
  display: grid;
  place-items: center;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.card.red {
  color: #b71c1c;
}

.score {
  margin: 0.75rem 0 0;
  font-weight: 600;
}

.controls {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

button {
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  border: none;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease;
}

button:hover:enabled {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}