/* ========================================
 * 独立消息中心页面样式
 * ======================================== */

/* 消息侧边栏 */
.message-sidebar {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 80px;
}

.sidebar-title {
  font-size: 20px;
  font-weight: 700;
  color: #212529;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid #f0f0f0;
  display: flex;
  align-items: center;
}

.sidebar-title i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 快捷统计卡片 */
.quick-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.stat-item {
  background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
  border: 1px solid #e9ecef;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.stat-item:hover::before {
  transform: scaleX(1);
}

.stat-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.stat-item.unread-stat {
  background: linear-gradient(135deg, #fff5f0 0%, #fff 100%);
  border-color: #ffd0c0;
}

.stat-item.unread-stat::before {
  background: linear-gradient(90deg, #ff6b6b, #ffa502);
}

.stat-item.total-stat {
  background: linear-gradient(135deg, #f0f4ff 0%, #fff 100%);
  border-color: #c0d0ff;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 22px;
  color: #fff;
  transition: all 0.3s ease;
}

.unread-stat .stat-icon {
  background: linear-gradient(135deg, #ff6b6b 0%, #ffa502 100%);
  box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.total-stat .stat-icon {
  background: var(--gradient-primary);
  box-shadow: 0 4px 12px var(--primary-light);
}

.stat-item:hover .stat-icon {
  transform: scale(1.1) rotate(5deg);
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: #212529;
  line-height: 1;
  margin-bottom: 4px;
}

.unread-stat .stat-value {
  color: #ff6b6b;
}

.total-stat .stat-value {
  color: #667eea;
}

.stat-label {
  font-size: 12px;
  color: #6c757d;
  font-weight: 500;
}

/* 子标题 */
.section-subtitle {
  font-size: 14px;
  font-weight: 600;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  padding-left: 4px;
}

/* 分类导航 */
.message-category-nav .nav-link {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  margin-bottom: 8px;
  border: none;
  border-radius: 12px;
  background: #f8f9fa;
  color: #495057;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.message-category-nav .nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: transparent;
  transition: all 0.3s ease;
  border-radius: 0 4px 4px 0;
}

.nav-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-right: 12px;
  background: #fff;
  color: #6c757d;
  transition: all 0.3s ease;
}

.order-icon {
  color: var(--primary-color);
  background: var(--primary-light);
}

.system-icon {
  color: var(--warning-color);
  background: var(--warning-light);
}

.activity-icon {
  color: var(--danger-color);
  background: var(--danger-light);
}

.unread-icon {
  color: var(--danger-color);
  background: var(--danger-light);
}

.nav-text {
  flex: 1;
  text-align: left;
}

.nav-badge {
  background: #e9ecef;
  color: #6c757d;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  min-width: 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.nav-badge.bg-danger {
  background: #ff6b6b;
  color: #fff;
  box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
}

.message-category-nav .nav-link:hover {
  background: #e9ecef;
  transform: translateX(4px);
}

.message-category-nav .nav-link:hover::before {
  background: var(--primary-color);
}

.message-category-nav .nav-link:hover .nav-icon {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.message-category-nav .nav-link.active {
  background: var(--gradient-primary);
  color: var(--text-on-primary);
  box-shadow: 0 4px 16px var(--primary-light);
}

.message-category-nav .nav-link.active::before {
  background: rgba(255, 255, 255, 0.5);
}

.message-category-nav .nav-link.active .nav-icon {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.message-category-nav .nav-link.active .nav-badge {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-on-primary);
  box-shadow: 0 2px 8px rgba(255, 255, 255, 0.3);
}

.message-category-nav .nav-link.special-unread.active {
  background: linear-gradient(135deg, var(--danger-color) 0%, var(--warning-color) 100%);
  box-shadow: 0 4px 16px var(--danger-light);
}

.message-category-nav .nav-link.special-unread.active .nav-badge {
  background: #fff;
  color: var(--danger-color);
}

/* 主内容区 */
.message-main-content {
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid #f8f9fa;
}

.message-header h5 {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
}

.message-actions .btn {
  border-radius: 20px;
  padding: 8px 16px;
}

/* 消息列表 */
.message-list {
  min-height: 300px;
}

.message-item {
  display: flex;
  padding: 20px;
  margin-bottom: 16px;
  background: #fff;
  border: 1px solid #e9ecef;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.message-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: #e9ecef;
  transition: all 0.3s ease;
}

.message-item:hover {
  border-color: var(--primary-color);
  box-shadow: 0 4px 16px var(--primary-light);
  transform: translateX(4px);
}

.message-item:hover::before {
  background: var(--primary-color);
}

.message-item.unread {
  background: linear-gradient(to right, var(--primary-light), var(--bg-primary));
}

.message-item.unread::before {
  background: var(--primary-color);
  box-shadow: 0 0 12px var(--primary-color);
}

.message-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-on-primary);
  font-size: 26px;
  margin-right: 18px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px var(--primary-light);
}

.message-content {
  flex: 1;
  min-width: 0;
}

.message-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.message-title {
  font-size: 16px;
  font-weight: 600;
  color: #212529;
  margin: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-badges {
  display: flex;
  gap: 8px;
  margin-left: 16px;
}

.message-badges .badge {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 12px;
}

.message-preview {
  color: #6c757d;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.message-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid #f8f9fa;
}

.message-time {
  color: #adb5bd;
  font-size: 13px;
}

.message-footer .btn-link {
  font-size: 13px;
  padding: 4px 8px;
  text-decoration: none;
}

.message-footer .btn-link:hover {
  text-decoration: underline;
}

/* 分页 */
.message-pagination .pagination {
  margin-bottom: 0;
}

.message-pagination .page-link {
  border-radius: 8px;
  margin: 0 4px;
  border-color: #e9ecef;
  color: #495057;
}

.message-pagination .page-link:hover {
  background: #f8f9fa;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.message-pagination .page-item.active .page-link {
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: 0 4px 12px var(--primary-light);
}

/* 加载状态 */
.loading-state {
  text-align: center;
  padding: 60px 20px;
}

.loading-state p {
  color: #6c757d;
  margin-top: 16px;
  font-size: 14px;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 80px 20px;
}

.empty-state i {
  color: #dee2e6;
  font-size: 80px;
  display: block;
  margin-bottom: 24px;
}

.empty-state h5 {
  color: #adb5bd;
  font-size: 18px;
  margin-bottom: 12px;
}

.empty-state p {
  color: #ced4da;
  font-size: 14px;
}

/* 消息详情模态框 */
.message-detail-info {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 20px;
}

.message-detail-info small {
  color: #6c757d;
  font-size: 13px;
}

.message-detail-info .badge {
  font-size: 13px;
  padding: 6px 12px;
}

.message-detail-content {
  line-height: 1.8;
  color: #495057;
  font-size: 15px;
  min-height: 150px;
  padding: 16px;
  background: #fff;
  border-radius: 8px;
}

.message-detail-actions {
  display: flex;
  gap: 12px;
}

/* 响应式 */
@media (max-width: 992px) {
  .message-sidebar {
    position: static;
    margin-bottom: 24px;
  }

  .message-item {
    padding: 16px;
  }

  .message-icon {
    width: 48px;
    height: 48px;
    font-size: 22px;
    margin-right: 14px;
  }
}

@media (max-width: 768px) {
  .message-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .message-item {
    flex-direction: column;
    padding: 14px;
  }

  .message-icon {
    width: 44px;
    height: 44px;
    font-size: 20px;
    margin-right: 0;
    margin-bottom: 12px;
    align-self: center;
  }

  .message-content {
    width: 100%;
  }

  .message-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .message-badges {
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
  }

  .message-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .message-footer .btn-link {
    width: 100%;
    text-align: left;
  }

  .sidebar-title {
    font-size: 16px;
  }

  .message-category-nav .nav-link {
    padding: 10px 14px;
    font-size: 13px;
  }

  .message-category-nav .nav-link i {
    font-size: 16px;
  }
}

/* ==================== 暗色主题适配 ==================== */
[data-theme="dark"] .message-sidebar {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .sidebar-title {
  color: var(--text-primary);
  border-color: var(--border-color);
}

[data-theme="dark"] .stat-item {
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
  border-color: var(--border-color);
}

[data-theme="dark"] .stat-item:hover {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

[data-theme="dark"] .stat-item.unread-stat {
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.15), var(--bg-secondary));
  border-color: rgba(248, 113, 113, 0.3);
}

[data-theme="dark"] .stat-item.total-stat {
  background: linear-gradient(135deg, var(--primary-light), var(--bg-secondary));
  border-color: rgba(156, 163, 175, 0.3);
}

[data-theme="dark"] .stat-value {
  color: var(--text-primary);
}

[data-theme="dark"] .stat-label {
  color: var(--text-secondary);
}

[data-theme="dark"] .message-category-nav .nav-link {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .message-category-nav .nav-link:hover {
  background: var(--bg-secondary);
}

[data-theme="dark"] .message-category-nav .nav-link.active .nav-icon {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

[data-theme="dark"] .message-main-content {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .message-header {
  border-color: var(--border-color);
}

[data-theme="dark"] .message-header h5 {
  color: var(--text-primary);
}

[data-theme="dark"] .message-item {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .message-item:hover {
  background: var(--bg-tertiary);
}

[data-theme="dark"] .message-title {
  color: var(--text-primary);
}

[data-theme="dark"] .message-preview {
  color: var(--text-secondary);
}

[data-theme="dark"] .message-footer {
  border-color: var(--border-color);
}

[data-theme="dark"] .message-time {
  color: var(--text-tertiary);
}

[data-theme="dark"] .message-detail-info {
  background: var(--bg-tertiary);
}

[data-theme="dark"] .message-detail-info small {
  color: var(--text-secondary);
}

[data-theme="dark"] .message-detail-content {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

[data-theme="dark"] .empty-state i {
  color: var(--border-color);
}

[data-theme="dark"] .empty-state h5 {
  color: var(--text-tertiary);
}

[data-theme="dark"] .empty-state p {
  color: var(--text-light);
}