/* 会员权限系统样式 */

/* 会员通知 */
.membership-notification {
  position: fixed;
  top: 80px;
  right: -400px;
  background: white;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  font-size: 0.95rem;
  font-weight: 600;
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 350px;
  border-left: 4px solid #667eea;
}

.membership-notification.show {
  right: 20px;
}

.membership-notification.success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border-left-color: #fff;
}

.membership-notification.warning {
  background: #fff3cd;
  color: #856404;
  border-left-color: #ffc107;
}

.membership-notification.error {
  background: #f8d7da;
  color: #721c24;
  border-left-color: #dc3545;
}

/* 会员模态框 */
.membership-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
  padding: 1rem;
}

.membership-modal.show {
  opacity: 1;
}

.membership-modal-content {
  background: white;
  border-radius: 20px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* 升级提示 */
.upgrade-prompt {
  padding: 2.5rem;
  text-align: center;
}

.upgrade-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  animation: bounce 1s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.upgrade-prompt h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 1rem 0;
}

.upgrade-reason {
  font-size: 1rem;
  color: #666;
  margin-bottom: 2rem;
}

.upgrade-benefits {
  background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  text-align: left;
}

.benefit-item {
  padding: 0.75rem 0;
  font-size: 0.95rem;
  color: #333;
  border-bottom: 1px solid #e0e0e0;
}

.benefit-item:last-child {
  border-bottom: none;
}

.upgrade-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.upgrade-btn {
  padding: 0.875rem 2rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

.upgrade-btn.primary {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.upgrade-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.upgrade-btn.secondary {
  background: #f3f4f6;
  color: #666;
}

.upgrade-btn.secondary:hover {
  background: #e5e7eb;
}

/* 会员徽章 */
.membership-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.9rem;
}

.membership-badge.free {
  background: linear-gradient(135deg, #e5e7eb 0%, #cbd5e1 100%);
  color: #475569;
}

.membership-badge.vip {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: white;
  box-shadow: 0 2px 8px rgba(251, 191, 36, 0.3);
}

.membership-badge.family {
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  color: white;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.membership-badge.admin {
  background: linear-gradient(135deg, #fdba74 0%, #f97316 100%);
  color: white;
  box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}

/* 会员权益卡片 */
.membership-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.tier-card {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border: 2px solid transparent;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column; /* 使内容纵向排列，便于按钮对齐底部 */
}

.tier-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.tier-card.vip::before {
  background: linear-gradient(90deg, #fbbf24 0%, #f59e0b 100%);
}

.tier-card.admin::before {
  background: linear-gradient(90deg, #fdba74 0%, #f97316 100%);
}

.tier-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.tier-card.current {
  border-color: #667eea;
}

.tier-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.tier-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.tier-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0;
}

.tier-price {
  font-size: 1rem;
  color: #666;
  margin: 0.5rem 0 0 0;
}

.tier-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
  flex: 1 1 auto; /* 占据剩余空间，压到按钮在底部 */
}

.tier-features li {
  padding: 0.75rem 0;
  font-size: 0.9rem;
  color: #333;
  border-bottom: 1px solid #f0f0f0;
}

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

.tier-action {
  width: 100%;
  padding: 0.875rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  margin-top: auto; /* 将按钮推至卡片底部，实现横向对齐 */
}

.tier-action.primary {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.tier-action.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.tier-action.secondary {
  background: #f3f4f6;
  color: #666;
}

.tier-action.secondary:hover {
  background: #e5e7eb;
}

.tier-action.current {
  background: #10b981;
  color: white;
  cursor: default;
}

/* 视频卡片上的标签 */
.video-expiry-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.video-expiry-badge.expiring-soon {
  background: #fef3c7;
  color: #92400e;
}

.video-expiry-badge.expired {
  background: #fee2e2;
  color: #991b1b;
}

.video-expiry-badge.featured {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: white;
}

.video-expiry-badge.shared {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
}

/* 视频操作按钮 */
.video-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.video-action-btn {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  flex: 1;
}

.video-action-btn.share {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
}

.video-action-btn.feature {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: white;
}

.video-action-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.video-action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* 会员提示横幅 */
.membership-banner {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.membership-banner.vip {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
}

.banner-content {
  flex: 1;
}

.banner-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.25rem 0;
}

.banner-subtitle {
  font-size: 0.9rem;
  opacity: 0.9;
  margin: 0;
}

.banner-action {
  padding: 0.625rem 1.5rem;
  background: white;
  color: #667eea;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: all 0.3s;
}

.banner-action:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

/* 限制提示 */
.upload-limits {
  background: linear-gradient(135deg, #fff5f7 0%, #f0f9ff 100%);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  border-left: 4px solid #f093fb;
}

.limit-title {
  font-size: 1rem;
  font-weight: 600;
  color: #1a1a1a;
  margin: 0 0 0.75rem 0;
}

.limit-items {
  display: grid;
  gap: 0.5rem;
}

.limit-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  font-size: 0.9rem;
}

.limit-label {
  color: #666;
}

.limit-value {
  font-weight: 600;
  color: #1a1a1a;
}

.limit-value.warning {
  color: #dc2626;
}

.limit-progress {
  margin-top: 0.5rem;
}

.limit-bar {
  width: 100%;
  height: 8px;
  background: #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
}

.limit-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981 0%, #059669 100%);
  border-radius: 8px;
  transition: width 0.3s ease;
}

.limit-fill.warning {
  background: linear-gradient(90deg, #fbbf24 0%, #f59e0b 100%);
}

.limit-fill.danger {
  background: linear-gradient(90deg, #ef4444 0%, #dc2626 100%);
}

/* 移动端优化 */
@media (max-width: 768px) {
  .membership-modal-content {
    max-height: 85vh;
  }

  .upgrade-prompt {
    padding: 1.5rem;
  }

  .upgrade-icon {
    font-size: 3rem;
  }

  .upgrade-prompt h2 {
    font-size: 1.5rem;
  }

  .upgrade-actions {
    flex-direction: column;
  }

  .upgrade-btn {
    width: 100%;
  }

  .membership-tiers {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .membership-banner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .banner-action {
    width: 100%;
  }
}