* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #ffffff;
  color: #111111;
  font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.hub-header {
  text-align: center;
  padding: 40px 20px 28px;
}

.hub-header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 20px 64px;
}

.game-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .game-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .game-grid { grid-template-columns: repeat(3, 1fr); }
}

.card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  border-color: #ddd;
}

.card a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.card-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #f5f5f5;
  overflow: hidden;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: 16px 18px 20px;
}

.card-body h2 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card-body p {
  margin: 0;
  font-size: 14px;
  color: #666;
  line-height: 1.5;
}

.empty {
  text-align: center;
  color: #999;
  padding: 32px 0;
}

.hub-footer {
  text-align: center;
  padding: 24px 20px 48px;
  font-size: 13px;
}

.hub-footer a {
  color: #888;
  text-decoration: none;
}

.hub-footer a:hover {
  color: #111;
}