/* ============ 首页样式 ============ */

/* 搜索栏 */
.search-section {
  margin-bottom: var(--gap-xl);
}

.search-bar {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 10px 20px;
  transition: all var(--transition-fast);
  max-width: 500px;
  margin: 0 auto;
}

.search-bar:focus-within {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
}

.search-bar input::placeholder {
  color: var(--text-muted);
}

.search-icon {
  color: var(--text-secondary);
  margin-right: 10px;
  font-size: 1.1rem;
}

/* 分类标签 */
.categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-xl);
}

.cat-tag {
  padding: 6px 18px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.cat-tag:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: var(--neon-cyan-dim);
}

.cat-tag.active {
  background: var(--neon-cyan-dim);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
}

/* 游戏网格 */
.games-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-lg);
}

.game-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--gap-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.game-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, var(--neon-cyan-dim), var(--neon-pink-dim));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.game-card:hover {
  transform: translateY(-4px);
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow-neon);
}

.game-card:hover::before {
  opacity: 1;
}

.game-card > * {
  position: relative;
  z-index: 1;
}

.game-icon {
  font-size: 3.5rem;
  margin-bottom: var(--gap-sm);
  transition: transform var(--transition-normal);
}

.game-card:hover .game-icon {
  transform: scale(1.15);
}

.game-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.game-category {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: var(--radius-xl);
  background: var(--neon-cyan-dim);
  color: var(--neon-cyan);
  margin-bottom: var(--gap-sm);
  font-weight: 500;
}

.game-meta {
  display: flex;
  align-items: center;
  gap: var(--gap-md);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.game-meta .stars {
  color: var(--neon-yellow);
}

/* 搜索无结果 */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.no-results .icon {
  font-size: 3rem;
  margin-bottom: var(--gap-md);
}

.no-results .text {
  font-size: 1.1rem;
}

/* ============ 游戏详情页 ============ */
.game-detail {
  max-width: 800px;
  margin: 0 auto;
}

.game-detail-header {
  display: flex;
  align-items: center;
  gap: var(--gap-lg);
  margin-bottom: var(--gap-xl);
}

.game-detail-icon {
  font-size: 5rem;
}

.game-detail-info h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.game-detail-info .category-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-xl);
  background: var(--neon-cyan-dim);
  color: var(--neon-cyan);
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: var(--gap-sm);
}

.game-detail-stats {
  display: flex;
  gap: var(--gap-lg);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.game-detail-desc {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--gap-xl);
  padding: var(--gap-lg);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.game-detail-actions {
  display: flex;
  gap: var(--gap-md);
}

/* ============ 游戏游玩页 ============ */
.game-play {
  max-width: 800px;
  margin: 0 auto;
}

.game-play-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--gap-md);
  flex-wrap: wrap;
  gap: var(--gap-sm);
}

.game-play-title {
  font-size: 1.3rem;
  font-weight: 700;
}

.game-play-scores {
  display: flex;
  gap: var(--gap-lg);
}

.score-item {
  text-align: center;
}

.score-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.score-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--neon-cyan);
  font-family: var(--font-display);
}

.game-canvas-container {
  background: #000;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  overflow: hidden;
  position: relative;
}

.game-canvas-container canvas {
  display: block;
  width: 100%;
  height: auto;
}

.game-controls {
  display: flex;
  gap: var(--gap-sm);
  margin-top: var(--gap-md);
  justify-content: center;
}

.game-back {
  margin-top: var(--gap-lg);
  text-align: center;
}

/* 未登录提示 */
.login-required {
  text-align: center;
  padding: var(--gap-xl);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.login-required .icon {
  font-size: 3rem;
  margin-bottom: var(--gap-md);
}

.login-required h3 {
  font-size: 1.3rem;
  margin-bottom: var(--gap-sm);
}

.login-required p {
  color: var(--text-secondary);
  margin-bottom: var(--gap-lg);
}

.login-required .actions {
  display: flex;
  gap: var(--gap-sm);
  justify-content: center;
}