body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background: #f7f7f7;
  color: #333;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background: #1f2937;
  color: white;
  padding: 2em 1em;
  text-align: center;
}

main {
  flex: 1;
  padding: 2em;
  display: grid;
  gap: 2em;
  max-width: 800px;
  margin: auto;
}

.game-card {
  background: white;
  padding: 1.5em;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.game-card h2 {
  margin-top: 0;
}

.play-button {
  display: inline-block;
  margin-top: 1em;
  padding: 0.6em 1.2em;
  background: #2563eb;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: background 0.2s ease;
}

.play-button:hover {
  background: #1d4ed8;
}

footer {
  text-align: center;
  padding: 1em;
  background: #e5e7eb;
  font-size: 0.9em;
}