*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, sans-serif;
  background: #0f0f13;
  color: #e8e8f0;
  min-height: 100vh;
}

header {
  padding: 3rem 2rem 2rem;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

header p {
  margin-top: 0.5rem;
  color: #888;
  font-size: 1.1rem;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
}

/* ── Game grid (home page) ──────────────────────────── */

.game-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.game-card {
  display: block;
  background: #1a1a24;
  border: 1px solid #2a2a38;
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, transform 0.15s;
}

.game-card:hover {
  border-color: #6c6cff;
  transform: translateY(-2px);
}

.game-card__title {
  font-size: 1.15rem;
  font-weight: 600;
}

.game-card__description {
  margin-top: 0.4rem;
  font-size: 0.9rem;
  color: #888;
}

/* ── Individual game pages ──────────────────────────── */

.game-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid #2a2a38;
}

.game-header__back {
  color: #888;
  text-decoration: none;
  font-size: 0.9rem;
}

.game-header__back:hover {
  color: #e8e8f0;
}

.game-header__title {
  font-size: 1.25rem;
  font-weight: 600;
}

.game-canvas-wrapper {
  display: flex;
  justify-content: center;
  padding: 2rem;
}