/* ========================================
   组件样式
   ======================================== */

/* ========================================
   视频卡片
   ======================================== */

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--spacing-lg);
}

.video-card {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  background: var(--bg-card);
  transition: all var(--transition-normal);
}

.video-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.video-card:hover .video-thumb img {
  transform: scale(1.05);
}

.video-card:hover .video-play {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-darker);
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 2px 6px;
  font-size: var(--font-size-xs);
  background: rgba(0, 0, 0, 0.8);
  border-radius: 4px;
}

.video-quality {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 2px 8px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: var(--gradient-primary);
  border-radius: 4px;
}

.video-vip {
  position: absolute;
  top: 8px;
  right: 8px;
}

.video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-normal);
}

.video-play::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--primary-color);
  margin-left: 4px;
}

.video-info {
  padding: var(--spacing-md);
}

.video-title {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
}

.video-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ========================================
   分类导航
   ======================================== */

.category-nav {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  padding: var(--spacing-md) 0;
}

.category-item {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid transparent;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.category-item:hover,
.category-item.active {
  color: var(--text-primary);
  background: var(--gradient-primary);
  border-color: transparent;
}

/* ========================================
   筛选栏
   ======================================== */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.filter-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  white-space: nowrap;
}

.filter-options {
  display: flex;
  gap: var(--spacing-xs);
}

.filter-option {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-option:hover,
.filter-option.active {
  color: var(--text-primary);
  background: var(--primary-color);
  border-color: var(--primary-color);
}

/* ========================================
   分页
   ======================================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xl) 0;
}

.page-item {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.page-item:hover,
.page-item.active {
  color: var(--text-primary);
  background: var(--gradient-primary);
  border-color: transparent;
}

.page-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========================================
   VIP 套餐卡片
   ======================================== */

.vip-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.vip-card {
  position: relative;
  padding: var(--spacing-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all var(--transition-normal);
}

.vip-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.vip-card.popular {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-glow);
}

.vip-card.popular::before {
  content: '推荐';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: var(--gradient-primary);
  border-radius: 12px;
}

.vip-card-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.vip-card-price {
  margin-bottom: var(--spacing-lg);
}

.vip-card-price .amount {
  font-size: var(--font-size-hero);
  font-weight: 700;
  color: var(--primary-color);
}

.vip-card-price .unit {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.vip-card-price .original {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-decoration: line-through;
  margin-left: var(--spacing-sm);
}

.vip-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
}

.vip-features li {
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.vip-features li:last-child {
  border-bottom: none;
}

.vip-features li::before {
  content: '✓';
  margin-right: var(--spacing-sm);
  color: #4ade80;
}

/* ========================================
   评论组件
   ======================================== */

.comment-section {
  padding: var(--spacing-xl) 0;
}

.comment-form {
  margin-bottom: var(--spacing-xl);
}

.comment-input {
  width: 100%;
  min-height: 100px;
  padding: var(--spacing-md);
  font-size: var(--font-size-md);
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  resize: vertical;
  outline: none;
}

.comment-input:focus {
  border-color: var(--primary-color);
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.comment-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--border-radius);
}

.comment-avatar {
  flex-shrink: 0;
}

.comment-content {
  flex: 1;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.comment-author {
  font-weight: 500;
  color: var(--text-primary);
}

.comment-time {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.comment-text {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
  line-height: 1.6;
}

.comment-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.comment-action {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.comment-action:hover {
  color: var(--primary-color);
}

/* ========================================
   播放器容器
   ======================================== */

.player-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.player-container video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.player-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.player-big-play {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.player-big-play:hover {
  transform: scale(1.1);
}

.player-big-play::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 15px 0 15px 25px;
  border-color: transparent transparent transparent var(--primary-color);
  margin-left: 5px;
}

/* 剧集列表 */
.episode-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--bg-card);
  border-radius: var(--border-radius);
}

.episode-item {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  text-align: center;
  color: var(--text-secondary);
  background: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.episode-item:hover,
.episode-item.active {
  color: var(--text-primary);
  background: var(--gradient-primary);
  border-color: transparent;
}

/* ========================================
   用户表单
   ======================================== */

.auth-container {
  max-width: 400px;
  margin: 0 auto;
  padding: var(--spacing-xxl);
}

.auth-card {
  padding: var(--spacing-xxl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(20px);
}

.auth-title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.form-error {
  font-size: var(--font-size-xs);
  color: #ef4444;
}

.auth-footer {
  text-align: center;
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ========================================
   订单列表
   ======================================== */

.order-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.order-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.order-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.order-title {
  font-weight: 500;
}

.order-meta {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.order-status {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  border-radius: 4px;
}

.order-status.success {
  background: rgba(74, 222, 128, 0.2);
  color: #4ade80;
}

.order-status.pending {
  background: rgba(251, 191, 36, 0.2);
  color: #fbbf24;
}

.order-status.failed {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

/* ========================================
   空状态
   ======================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl);
  text-align: center;
}

.empty-icon {
  font-size: 64px;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-title {
  font-size: var(--font-size-xl);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.empty-desc {
  font-size: var(--font-size-md);
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
}

/* ========================================
   加载状态
   ======================================== */

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

/* ========================================
   消息提示
   ======================================== */

.toast {
  position: fixed;
  top: 90px;
  right: 20px;
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  animation: slideIn 0.3s ease;
}

.toast.success {
  border-color: #4ade80;
}

.toast.error {
  border-color: #ef4444;
}

.toast.warning {
  border-color: #fbbf24;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ========================================
   模态框
   ======================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

/* ========================================
   支付方式选择
   ======================================== */

.payment-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.payment-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.payment-method:hover,
.payment-method.selected {
  border-color: var(--primary-color);
}

.payment-method.selected {
  background: rgba(102, 126, 234, 0.1);
}

.payment-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: var(--bg-darker);
  border-radius: var(--border-radius);
}

.payment-info {
  flex: 1;
}

.payment-name {
  font-weight: 500;
  margin-bottom: 2px;
}

.payment-desc {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.payment-radio {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  position: relative;
}

.payment-method.selected .payment-radio {
  border-color: var(--primary-color);
}

.payment-method.selected .payment-radio::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background: var(--primary-color);
  border-radius: 50%;
}