/* ==========================================================================
   Notifications Page Styles
   ========================================================================== */

/* Notifications Header */
.notifications-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.notifications-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.notifications-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.notifications-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 var(--space-xs);
    background: var(--color-primary);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.notifications-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.mark-all-read-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.mark-all-read-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.mark-all-read-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.mark-all-read-btn svg {
    width: 16px;
    height: 16px;
}

.notifications-settings-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.notifications-settings-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.notifications-settings-btn svg {
    width: 18px;
    height: 18px;
}

/* Notification Filters */
.notification-filters {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.notification-filters::-webkit-scrollbar {
    display: none;
}

.notification-filter-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition-fast);
}

.notification-filter-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.notification-filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.notification-filter-btn svg {
    width: 14px;
    height: 14px;
}

.notification-filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
}

.notification-filter-btn:not(.active) .notification-filter-count {
    background: var(--bg-tertiary);
}

/* Notifications List */
.notifications-list {
    display: flex;
    flex-direction: column;
}

/* Notification Item */
.notification-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.notification-item:hover {
    background: var(--bg-secondary);
}

.notification-item.unread {
    background: var(--color-primary-alpha);
}

.notification-item.unread:hover {
    background: rgba(0, 150, 136, 0.15);
}

/* Unread indicator */
.notification-item.unread::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-primary);
}

/* Notification Icon */
.notification-icon {
    position: relative;
    flex-shrink: 0;
}

.notification-icon-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.notification-icon-badge {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
}

.notification-item.unread .notification-icon-badge {
    border-color: var(--color-primary-alpha);
}

.notification-icon-badge svg {
    width: 12px;
    height: 12px;
}

/* Icon badge colors by type */
.notification-icon-badge.like {
    background: var(--color-soulmate);
    color: white;
}

.notification-icon-badge.comment {
    background: var(--color-primary);
    color: white;
}

.notification-icon-badge.follow {
    background: var(--color-creator);
    color: white;
}

.notification-icon-badge.mention {
    background: var(--color-ai);
    color: #333;
}

.notification-icon-badge.repost {
    background: var(--color-fitness);
    color: white;
}

.notification-icon-badge.quote {
    background: #9c27b0;
    color: white;
}

.notification-icon-badge.reply {
    background: #2196f3;
    color: white;
}

.notification-icon-badge.system {
    background: var(--text-muted);
    color: white;
}

/* Notification Content */
.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-text {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: var(--space-xs);
}

.notification-text strong {
    font-weight: 600;
}

.notification-text .notification-highlight {
    color: var(--color-primary);
}

.notification-preview {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: 1.4;
    padding: var(--space-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--border-color);
    margin-top: var(--space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.notification-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-xs);
}

.notification-time {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Notification Actions */
.notification-actions {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
    flex-shrink: 0;
}

.notification-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
    opacity: 0;
}

.notification-item:hover .notification-action-btn {
    opacity: 1;
}

.notification-action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.notification-action-btn.delete:hover {
    background: var(--color-danger-alpha);
    color: var(--color-danger);
}

.notification-action-btn svg {
    width: 16px;
    height: 16px;
}

/* Follow Button in Notification */
.notification-follow-btn {
    padding: var(--space-xs) var(--space-md);
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.notification-follow-btn:hover {
    background: var(--color-primary-hover);
}

.notification-follow-btn.following {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.notification-follow-btn.following:hover {
    border-color: var(--color-danger);
    color: var(--color-danger);
    background: var(--color-danger-alpha);
}

/* Grouped Notifications */
.notification-group {
    border-bottom: 1px solid var(--border-color);
}

.notification-group-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.notification-group-header:hover {
    background: var(--bg-secondary);
}

.notification-group-avatars {
    display: flex;
    margin-left: 8px;
}

.notification-group-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
    margin-left: -8px;
    object-fit: cover;
}

.notification-group-avatar:first-child {
    margin-left: 0;
}

.notification-group-more {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--bg-primary);
    margin-left: -8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-secondary);
}

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

.notification-group-text {
    font-size: var(--font-size-base);
    color: var(--text-primary);
}

.notification-group-time {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Date Separator */
.notification-date-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.notification-date-separator span {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Empty State */
.notifications-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
    text-align: center;
}

.notifications-empty-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 50%;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.notifications-empty-icon svg {
    width: 40px;
    height: 40px;
}

.notifications-empty h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.notifications-empty p {
    font-size: var(--font-size-base);
    color: var(--text-muted);
    max-width: 300px;
}

/* Loading State */
.notifications-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
}

.notifications-loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Skeleton Loading */
.notification-skeleton {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.notification-skeleton-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.notification-skeleton-content {
    flex: 1;
}

.notification-skeleton-line {
    height: 14px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.notification-skeleton-line:last-child {
    width: 60%;
    margin-bottom: 0;
}

@keyframes skeleton-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Load More */
.notifications-load-more {
    display: flex;
    justify-content: center;
    padding: var(--space-lg);
}

.load-more-btn {
    padding: var(--space-sm) var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.load-more-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-muted);
}

.load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Notification Settings Dropdown */
.notification-settings-menu {
    min-width: 200px;
}

.notification-settings-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.notification-settings-item:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.notification-settings-item svg {
    width: 18px;
    height: 18px;
}

/* Real-time Notification Toast */
.notification-toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: var(--transition-normal);
}

.notification-toast:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.notification-toast-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

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

.notification-toast-text {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

/* Responsive */
@media (max-width: 768px) {
    .notifications-header {
        padding: var(--space-sm) var(--space-md);
    }

    .notifications-title {
        font-size: var(--font-size-lg);
    }

    .mark-all-read-btn span {
        display: none;
    }

    .notification-filters {
        padding: var(--space-sm) var(--space-md);
    }

    .notification-item {
        padding: var(--space-sm) var(--space-md);
    }

    .notification-action-btn {
        opacity: 1;
    }
}

@media (max-width: 480px) {
    .notification-actions {
        position: absolute;
        top: var(--space-sm);
        right: var(--space-sm);
    }

    .notification-preview {
        display: none;
    }
}