.lobby {
  position: relative;
  z-index: 1;
  width: min(860px, 100%);
  margin: 0 auto;
  padding: 56px 20px 72px;
}

.lobby-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
  color: inherit;
  text-decoration: none;
}

.lobby-brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--primary) 14%, var(--panel));
  color: var(--primary-strong);
}

.lobby-brand-icon svg {
  width: 22px;
  height: 22px;
}

.lobby-brand strong {
  display: block;
  font-size: 22px;
}

.lobby-brand small {
  color: var(--muted);
  font-size: 13px;
}

.lobby-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.game-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.game-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--primary) 45%, var(--line));
}

.game-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 6px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary-strong);
}

.game-icon svg {
  width: 20px;
  height: 20px;
}

.game-name {
  font-size: 17px;
  font-weight: 800;
}

.game-desc {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.game-tags {
  display: flex;
  gap: 6px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.game-tags em {
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
}

.lobby-back {
  display: inline-block;
  margin-top: 26px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.lobby-back:hover {
  color: var(--text);
  text-decoration: underline;
}

[data-theme="dark"] .game-card,
[data-theme="dark"] .lobby-brand-icon {
  background: rgba(38, 38, 38, 0.9);
}

@media (max-width: 640px) {
  .lobby {
    padding: 32px 14px 56px;
  }

  .lobby-grid {
    grid-template-columns: 1fr;
  }
}

/* 大屏自适应：2K 及以上放宽游戏大厅，让卡片铺开。 */
@media (min-width: 1600px) {
  .lobby {
    width: min(1200px, 100%);
  }
}

@media (min-width: 2100px) {
  .lobby {
    width: min(1420px, 100%);
  }
}

@media (min-width: 3000px) {
  .lobby {
    width: min(1680px, 100%);
  }
}