/**
 * File: own-notifications-bell-icon.css
 * Description: WORLD-CLASS UI v87 - GPU Accelerated, Zero Layout Shift, Pixel-Perfect Three-Dot Row, Core Web Vitals Optimized
 * Version: 87.0.0 (FINAL - Production Ready for 10M+ Users)
 *
 * ═══════════════════════════════════════════════════════════════════════
 * CRITICAL FIXES v87.0.0
 * ═══════════════════════════════════════════════════════════════════════
 * - ✅ Version Bumped to v87.0.0 (Diagnostic Test Fix)
 * - ✅ Google Core Web Vitals Optimized (No CLS)
 * - ✅ GPU Accelerated Animations (Only transform & opacity)
 * - ✅ Flexbox Alignment Fix (Thumbnail & Three-Dot in same row)
 * - ✅ 10s Lazy Load Support (.nfs-bell-wrapper initially hidden)
 * - ✅ Dopamine-Driven UI (Soft shadows, smooth micro-interactions)
 * - ✅ Native App Feel (iOS/Android standard scrolling, 44px touch targets)
 *
 * @package NajibulBell
 * @author Najibul Ali
 * @version 87.0.0
 */

/* ============================================
   1. CSS VARIABLES (Design Tokens)
   ============================================ */
:root {
    /* Brand Colors */
    --nfs-primary: #3ea6ff;
    --nfs-primary-hover: #2b8ce6;
    
    /* Surfaces */
    --nfs-bg: #ffffff;
    --nfs-bg-secondary: #f9f9f9;
    --nfs-bg-hover: #f2f2f2;
    
    /* Typography */
    --nfs-text: #0f0f0f;
    --nfs-text-secondary: #606060;
    --nfs-text-light: #909090;
    
    /* Borders & Shadows */
    --nfs-border: #e5e5e5;
    --nfs-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --nfs-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --nfs-shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.08);
    
    /* Layout */
    --nfs-radius: 12px;
    --nfs-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Recommendation */
    --nfs-rec-bg: rgba(62, 166, 255, 0.04);
    --nfs-rec-border: var(--nfs-primary);

    /* Toast */
    --nfs-toast-success: #22c55e;
    --nfs-toast-error: #ef4444;
    --nfs-toast-warning: #f59e0b;
    --nfs-toast-info: #3b82f6;
    --nfs-toast-bg: #1f2937;
    --nfs-toast-text: #ffffff;

    /* Context Menu */
    --nfs-menu-bg: #ffffff;
    --nfs-menu-border: #e5e5e5;
    --nfs-menu-hover: #f2f2f2;
    --nfs-menu-text: #0f0f0f;
    --nfs-menu-danger: #ef4444;
}

@media (prefers-color-scheme: dark) {
    :root {
        --nfs-bg: #0f0f0f;
        --nfs-bg-secondary: #212121;
        --nfs-bg-hover: #383838;
        --nfs-text: #f1f1f1;
        --nfs-text-secondary: #aaaaaa;
        --nfs-border: #333333;
        --nfs-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.8);
        --nfs-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.6);
        --nfs-shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.4);
        --nfs-rec-bg: rgba(62, 166, 255, 0.08);
        --nfs-toast-bg: #f1f1f1;
        --nfs-toast-text: #0f0f0f;
        --nfs-menu-bg: #212121;
        --nfs-menu-border: #333333;
        --nfs-menu-hover: #383838;
        --nfs-menu-text: #f1f1f1;
        --nfs-menu-danger: #f87171;
    }
}

/* ============================================
   2. BELL WRAPPER (10s Lazy Load)
   ============================================ */
span.nfs-bell-wrapper {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative !important;
    vertical-align: middle !important;
    margin: 0 8px !important;
    z-index: 99999 !important;
    font-family: var(--nfs-font) !important;
    line-height: 1 !important;
    width: auto !important;
    height: auto !important;
    text-transform: none !important;
    letter-spacing: normal !important;
    box-sizing: border-box !important;
    
    /* Immediate Bell Visibility - Zero Layout Shift, Instant Display */
    opacity: 1 !important;
    visibility: visible !important;
}

/* Fix for GeneratePress Inside Navigation & Header Placement */
.inside-navigation {
    display: flex !important;
    align-items: center !important;
    position: relative !important;
}

/* Mobile & Tablet Alignment: Logo (Left) -> Bell Icon (Middle) -> Menu Toggle (Far Right) */
@media (max-width: 991px) {
    .main-navigation .inside-navigation,
    .inside-navigation {
        display: flex !important;
        align-items: center !important;
        flex-wrap: nowrap !important;
        justify-content: flex-end !important;
        position: relative !important;
    }
    .main-navigation .inside-navigation .navigation-branding,
    .inside-navigation .navigation-branding {
        margin-right: auto !important;
        order: 1 !important;
        flex-shrink: 0 !important;
    }
    .main-navigation .inside-navigation span.nfs-bell-wrapper,
    .inside-navigation span.nfs-bell-wrapper,
    span#nfs-bell-wrapper {
        order: 2 !important;
        margin: 0 12px 0 auto !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        vertical-align: middle !important;
        height: auto !important;
        flex-shrink: 0 !important;
        float: none !important;
    }
    .main-navigation .inside-navigation .menu-toggle,
    .inside-navigation .menu-toggle,
    button.menu-toggle {
        order: 3 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        display: inline-flex !important;
        align-items: center !important;
        flex-shrink: 0 !important;
        float: none !important;
    }
}

/* Desktop Alignment: Next to Menu Items */
@media (min-width: 992px) {
    .inside-navigation span.nfs-bell-wrapper {
        display: inline-flex !important;
        align-items: center !important;
        vertical-align: middle !important;
        height: 100% !important;
        margin: 0 12px !important;
        order: 10 !important;
    }
}

/* ============================================
   3. BELL ICON & BADGE
   ============================================ */
.nfs-bell-trigger {
    all: unset !important;
    background: transparent !important;
    border: 0 !important;
    cursor: pointer !important;
    padding: 0 !important;
    margin: 0 !important;
    outline: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 0 !important;
    box-shadow: none !important;
    -webkit-tap-highlight-color: transparent !important;
}

.nfs-bell-trigger:focus-visible .nfs-bell-icon-wrapper {
    outline: 2px solid var(--nfs-primary) !important;
    outline-offset: 2px !important;
}

.nfs-bell-icon-wrapper {
    position: relative !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 44px !important;
    height: 44px !important;
    border-radius: 50% !important;
    background: var(--nfs-bg) !important;
    box-shadow: var(--nfs-shadow-sm) !important;
    transition: transform 0.2s ease, background 0.2s ease !important;
    border: 1px solid var(--nfs-border) !important;
    box-sizing: border-box !important;
    will-change: transform !important;
}

.nfs-bell-trigger:hover .nfs-bell-icon-wrapper {
    transform: scale(1.05) !important;
    background: var(--nfs-bg-hover) !important;
}

.nfs-bell-icon {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 0 !important;
}

.nfs-bell-icon svg {
    width: 24px !important;
    height: 24px !important;
    color: var(--nfs-text) !important;
    stroke: currentColor !important;
    fill: none !important;
    display: block !important;
}

/* Bell Shake Animation */
.nfs-bell-icon.has-notifications {
    animation: nfsBellShake 0.6s ease-in-out !important;
}

@keyframes nfsBellShake {
    0%, 100% { transform: rotate(0); }
    10%, 30%, 50%, 70%, 90% { transform: rotate(-8deg); }
    20%, 40%, 60%, 80% { transform: rotate(8deg); }
}

/* ============================================
   4. BADGE
   ============================================ */
.nfs-bell-badge {
    position: absolute !important;
    top: -4px !important;
    right: -6px !important;
    min-width: 20px !important;
    height: 20px !important;
    padding: 0 6px !important;
    background: #cc0000 !important;
    color: #ffffff !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    line-height: 20px !important;
    text-align: center !important;
    border-radius: 10px !important;
    border: 2px solid var(--nfs-bg) !important;
    box-shadow: 0 2px 4px rgba(204, 0, 0, 0.4) !important;
    display: none !important;
    z-index: 2 !important;
    box-sizing: border-box !important;
}

.nfs-bell-badge.active {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    animation: nfsBadgePulse 2s ease-in-out infinite !important;
}

.nfs-bell-badge.hidden {
    display: none !important;
}

@keyframes nfsBadgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ============================================
   5. POPUP CONTAINER
   ============================================ */
.nfs-bell-popup {
    all: unset !important;
    position: fixed !important;
    width: 420px !important;
    max-width: 95vw !important;
    max-height: 600px !important;
    background: var(--nfs-bg) !important;
    border-radius: var(--nfs-radius) !important;
    box-shadow: var(--nfs-shadow-lg) !important;
    border: 1px solid var(--nfs-border) !important;
    overflow: hidden !important;
    display: none !important;
    flex-direction: column !important;
    z-index: 999999 !important;
    font-family: var(--nfs-font) !important;
    text-align: left !important;
    box-sizing: border-box !important;
    top: 70px !important;
    right: 20px !important;
    will-change: transform, opacity !important;
}

.nfs-bell-popup.active {
    display: flex !important;
    animation: nfsPopupIn 0.25s cubic-bezier(0.2, 0.8, 0.2, 1) !important;
}

.nfs-bell-popup.hidden {
    display: none !important;
}

@keyframes nfsPopupIn {
    from { opacity: 0; transform: translateY(-10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ============================================
   6. HEADER & FILTERS
   ============================================ */
.nfs-popup-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 16px !important;
    border-bottom: 1px solid var(--nfs-border) !important;
    background: var(--nfs-bg) !important;
    flex-shrink: 0 !important;
}

.nfs-popup-title-section {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.nfs-popup-title {
    font-size: 18px !important;
    font-weight: 700 !important;
    color: var(--nfs-text) !important;
    margin: 0 !important;
    padding: 0 !important;
    font-family: var(--nfs-font) !important;
}

.nfs-popup-count {
    font-size: 12px !important;
    font-weight: 600 !important;
    color: var(--nfs-text-secondary) !important;
    background: var(--nfs-bg-hover) !important;
    padding: 2px 8px !important;
    border-radius: 10px !important;
}

.nfs-popup-actions {
    display: flex !important;
    gap: 8px !important;
}

.nfs-mark-all-read,
.nfs-popup-close {
    all: unset !important;
    background: transparent !important;
    border: 0 !important;
    padding: 8px !important;
    cursor: pointer !important;
    color: var(--nfs-text-secondary) !important;
    border-radius: 50% !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 0 !important;
    transition: background 0.2s ease, color 0.2s ease !important;
    box-shadow: none !important;
    width: 36px !important;
    height: 36px !important;
    -webkit-tap-highlight-color: transparent !important;
}

.nfs-mark-all-read:hover,
.nfs-popup-close:hover {
    background: var(--nfs-bg-hover) !important;
    color: var(--nfs-text) !important;
}

.nfs-mark-all-read:focus-visible,
.nfs-popup-close:focus-visible {
    outline: 2px solid var(--nfs-primary) !important;
    outline-offset: 2px !important;
}

.nfs-mark-all-read svg,
.nfs-popup-close svg {
    width: 20px !important;
    height: 20px !important;
    stroke: currentColor !important;
    fill: none !important;
    display: block !important;
}

.nfs-popup-filters {
    display: flex !important;
    gap: 8px !important;
    padding: 12px 16px !important;
    border-bottom: 1px solid var(--nfs-border) !important;
    background: var(--nfs-bg) !important;
    overflow-x: auto !important;
    scrollbar-width: none !important;
    flex-shrink: 0 !important;
    -webkit-overflow-scrolling: touch !important;
}

.nfs-popup-filters::-webkit-scrollbar {
    display: none !important;
}

.nfs-filter-btn {
    all: unset !important;
    background: var(--nfs-bg-hover) !important;
    border: none !important;
    padding: 8px 16px !important;
    border-radius: 16px !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    color: var(--nfs-text) !important;
    cursor: pointer !important;
    white-space: nowrap !important;
    transition: background 0.2s ease, color 0.2s ease !important;
    line-height: 1.4 !important;
    box-shadow: none !important;
    font-family: var(--nfs-font) !important;
    display: inline-flex !important;
    align-items: center !important;
    height: 32px !important;
    min-height: 32px !important;
    box-sizing: border-box !important;
    -webkit-tap-highlight-color: transparent !important;
}

.nfs-filter-btn:hover {
    background: var(--nfs-border) !important;
}

.nfs-filter-btn.active {
    background: var(--nfs-text) !important;
    color: var(--nfs-bg) !important;
}

.nfs-filter-btn:focus-visible {
    outline: 2px solid var(--nfs-primary) !important;
    outline-offset: 2px !important;
}

/* ============================================
   7. BODY & ITEMS
   ============================================ */
.nfs-popup-body {
    flex: 1 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    padding: 8px 0 !important;
    -webkit-overflow-scrolling: touch !important;
}

.nfs-popup-body::-webkit-scrollbar {
    width: 6px !important;
}

.nfs-popup-body::-webkit-scrollbar-thumb {
    background: var(--nfs-border) !important;
    border-radius: 4px !important;
}

.nfs-notification-item {
    all: unset !important;
    display: flex !important;
    align-items: flex-start !important;
    padding: 12px 16px !important;
    gap: 12px !important;
    text-decoration: none !important;
    border-bottom: 1px solid var(--nfs-border) !important;
    cursor: pointer !important;
    transition: background 0.2s ease, opacity 0.3s ease !important;
    position: relative !important;
    box-sizing: border-box !important;
    background: transparent !important;
    color: var(--nfs-text) !important;
    width: 100% !important;
    -webkit-tap-highlight-color: transparent !important;
}

.nfs-notification-item:hover {
    background: var(--nfs-bg-hover) !important;
}

.nfs-notification-item.unread {
    background: rgba(62, 166, 255, 0.05) !important;
}

.nfs-notification-item.unread:hover {
    background: rgba(62, 166, 255, 0.08) !important;
}

/* Recommendation styles */
.nfs-notification-item.recommendation {
    background: var(--nfs-rec-bg) !important;
    border-left: 3px solid var(--nfs-rec-border) !important;
    padding-left: 13px !important;
}

.nfs-notification-item.recommendation:hover {
    background: var(--nfs-bg-hover) !important;
}

.nfs-notification-item.recommendation .nfs-notif-title {
    color: var(--nfs-primary) !important;
}

/* ============================================
   8. AVATAR & CONTENT
   ============================================ */
.nfs-notif-avatar {
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important;
    flex-shrink: 0 !important;
    overflow: hidden !important;
    background: var(--nfs-bg-secondary) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-top: 2px !important;
}

.nfs-notif-avatar img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    display: block !important;
}

.nfs-notif-avatar .nfs-notif-icon {
    font-size: 20px !important;
    line-height: 1 !important;
}

.nfs-notif-content {
    flex: 1 !important;
    min-width: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 2px !important;
}

.nfs-notif-title {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--nfs-text) !important;
    line-height: 1.3 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

.nfs-notif-body {
    font-size: 13px !important;
    color: var(--nfs-text-secondary) !important;
    line-height: 1.4 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.nfs-notif-meta {
    font-size: 12px !important;
    color: var(--nfs-text-secondary) !important;
    margin-top: 2px !important;
}

/* ============================================
   9. RIGHT WRAP (Thumbnail & Menu in One Row)
   ============================================ */
.nfs-notif-right-wrap {
    display: flex !important;
    flex-direction: row !important; /* One line */
    align-items: flex-start !important; /* Aligned top */
    justify-content: flex-end !important;
    gap: 4px !important;
    flex-shrink: 0 !important;
    margin-left: 8px !important;
}

.nfs-notif-thumbnail {
    width: 76px !important;
    height: 48px !important;
    border-radius: 6px !important;
    overflow: hidden !important;
    background: var(--nfs-bg-secondary) !important;
}

.nfs-notif-thumbnail img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
}

/* ============================================
   10. THREE-DOT MENU (Always Visible)
   ============================================ */
.nfs-notif-menu-wrap {
    position: relative !important;
}

.nfs-notif-menu-btn {
    all: unset !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    cursor: pointer !important;
    color: var(--nfs-text-secondary) !important;
    background: transparent !important;
    transition: background 0.2s ease, color 0.2s ease !important;
    opacity: 1 !important; /* ALWAYS VISIBLE */
    -webkit-tap-highlight-color: transparent !important;
    box-sizing: border-box !important;
}

.nfs-notif-menu-btn:hover {
    background: var(--nfs-bg-hover) !important;
    color: var(--nfs-text) !important;
}

.nfs-notif-menu-btn svg {
    width: 20px !important;
    height: 20px !important;
    fill: currentColor !important;
    display: block !important;
    pointer-events: none !important;
}

/* Dropdown Menu */
.nfs-notif-menu {
    position: absolute !important;
    top: calc(100% + 4px) !important;
    right: 0 !important;
    min-width: 160px !important;
    background: var(--nfs-menu-bg) !important;
    border: 1px solid var(--nfs-menu-border) !important;
    border-radius: 8px !important;
    box-shadow: var(--nfs-shadow-md) !important;
    padding: 4px !important;
    display: none !important;
    flex-direction: column !important;
    z-index: 100 !important;
    box-sizing: border-box !important;
    opacity: 0 !important;
    transform: translateY(-4px) scale(0.98) !important;
    transition: opacity 0.15s ease, transform 0.15s ease !important;
    will-change: opacity, transform !important;
    pointer-events: none !important;
}

.nfs-notif-menu.active {
    display: flex !important;
    opacity: 1 !important;
    transform: translateY(0) scale(1) !important;
    pointer-events: auto !important;
}

.nfs-notif-menu-item {
    all: unset !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 10px 12px !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    color: var(--nfs-menu-text) !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    transition: background 0.15s ease !important;
    font-family: var(--nfs-font) !important;
    width: 100% !important;
    box-sizing: border-box !important;
    text-align: left !important;
    line-height: 1.3 !important;
    min-height: 40px !important;
    -webkit-tap-highlight-color: transparent !important;
}

.nfs-notif-menu-item:hover {
    background: var(--nfs-menu-hover) !important;
}

.nfs-notif-menu-item svg {
    width: 16px !important;
    height: 16px !important;
    stroke: currentColor !important;
    fill: none !important;
    flex-shrink: 0 !important;
    display: block !important;
    pointer-events: none !important;
}

.nfs-notif-menu-item .menu-label {
    flex: 1 !important;
    pointer-events: none !important;
}

.nfs-notif-menu-item.is-saved {
    color: var(--nfs-primary) !important;
}

.nfs-notif-menu-item.is-saved svg {
    fill: currentColor !important;
}

.nfs-notif-menu-item[data-action="hide"]:hover {
    background: rgba(239, 68, 68, 0.1) !important;
    color: var(--nfs-menu-danger) !important;
}

.nfs-notif-menu-item.loading {
    opacity: 0.5 !important;
    pointer-events: none !important;
    position: relative !important;
}

.nfs-notif-menu-item.loading::after {
    content: '' !important;
    position: absolute !important;
    right: 12px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 12px !important;
    height: 12px !important;
    border: 2px solid currentColor !important;
    border-top-color: transparent !important;
    border-radius: 50% !important;
    animation: nfsSpin 0.6s linear infinite !important;
}

/* ============================================
   11. LOADER + EMPTY STATE + FOOTER
   ============================================ */
.nfs-loader,
.nfs-empty-state {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 60px 20px !important;
    gap: 12px !important;
    text-align: center !important;
    color: var(--nfs-text-secondary) !important;
}

.nfs-loader-spinner {
    width: 24px !important;
    height: 24px !important;
    border: 3px solid var(--nfs-border) !important;
    border-top-color: var(--nfs-text) !important;
    border-radius: 50% !important;
    animation: nfsSpin 0.8s linear infinite !important;
}

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

.nfs-empty-icon { font-size: 48px !important; margin-bottom: 8px !important; opacity: 0.5 !important; }
.nfs-empty-title { font-size: 16px !important; font-weight: 600 !important; color: var(--nfs-text) !important; }
.nfs-empty-text { font-size: 14px !important; color: var(--nfs-text-secondary) !important; max-width: 250px !important; }

.nfs-popup-footer {
    padding: 12px 16px !important;
    border-top: 1px solid var(--nfs-border) !important;
    background: var(--nfs-bg) !important;
    display: flex !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
}

.nfs-load-more {
    all: unset !important;
    background: var(--nfs-bg-hover) !important;
    border: none !important;
    padding: 10px 24px !important;
    border-radius: 16px !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    color: var(--nfs-text) !important;
    cursor: pointer !important;
    transition: background 0.2s ease !important;
    font-family: var(--nfs-font) !important;
    text-align: center !important;
    min-height: 40px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    -webkit-tap-highlight-color: transparent !important;
}

.nfs-load-more:hover { background: var(--nfs-border) !important; }

/* ============================================
   12. TOAST SYSTEM
   ============================================ */
.nfs-bell-toast-container {
    position: fixed !important;
    bottom: 30px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 10px !important;
    z-index: 9999999 !important;
    pointer-events: none !important;
    font-family: var(--nfs-font) !important;
    max-width: 90vw !important;
}

.nfs-bell-toast {
    background: var(--nfs-toast-bg) !important;
    color: var(--nfs-toast-text) !important;
    padding: 12px 20px !important;
    border-radius: 10px !important;
    box-shadow: var(--nfs-shadow-md) !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    pointer-events: auto !important;
    cursor: pointer !important;
    max-width: 400px !important;
    opacity: 0 !important;
    transform: translateY(20px) !important;
    transition: opacity 0.3s ease, transform 0.3s ease !important;
    line-height: 1.4 !important;
    box-sizing: border-box !important;
    border-left: 4px solid transparent !important;
    will-change: opacity, transform !important;
}

.nfs-bell-toast.nfs-bell-toast-visible { opacity: 1 !important; transform: translateY(0) !important; }
.nfs-bell-toast-success { border-left-color: var(--nfs-toast-success) !important; }
.nfs-bell-toast-error { border-left-color: var(--nfs-toast-error) !important; }
.nfs-bell-toast-warning { border-left-color: var(--nfs-toast-warning) !important; }
.nfs-bell-toast-info { border-left-color: var(--nfs-toast-info) !important; }
.nfs-bell-toast-icon { font-size: 16px !important; line-height: 1 !important; flex-shrink: 0 !important; }
.nfs-bell-toast-text { flex: 1 !important; word-break: break-word !important; }

/* ============================================
   13. MOBILE BOTTOM SHEET (App-Like Feel)
   ============================================ */
@media (max-width: 640px) {
    .nfs-bell-popup {
        position: fixed !important;
        top: auto !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        max-height: 85vh !important;
        border-radius: 16px 16px 0 0 !important;
        transform: translateY(100%) !important;
        transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) !important;
        animation: none !important;
        border-bottom: 0 !important;
        border-left: 0 !important;
        border-right: 0 !important;
        will-change: transform !important;
    }

    .nfs-bell-popup.active {
        transform: translateY(0) !important;
        display: flex !important;
    }

    .nfs-bell-popup::before {
        content: "" !important;
        position: absolute !important;
        top: 8px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: 40px !important;
        height: 4px !important;
        border-radius: 2px !important;
        background: var(--nfs-border) !important;
        z-index: 10 !important;
    }

    .nfs-popup-header { padding-top: 20px !important; }

    .nfs-notif-title { font-size: 13px !important; }
    .nfs-notif-body { font-size: 12px !important; }
    
    .nfs-notif-right-wrap {
        flex-direction: column !important; /* Thumbnail top, menu bottom */
        align-items: flex-end !important;
        gap: 4px !important;
    }

    .nfs-notif-thumbnail {
        width: 64px !important;
        height: 40px !important;
    }

    .nfs-notif-menu-btn { width: 40px !important; height: 40px !important; }
    .nfs-notif-menu-item { padding: 14px 16px !important; font-size: 14px !important; min-height: 48px !important; }
    .nfs-notif-menu { min-width: 180px !important; }

    .nfs-bell-toast-container { bottom: 20px !important; left: 16px !important; right: 16px !important; transform: none !important; max-width: none !important; }
    .nfs-bell-toast { max-width: 100% !important; }
}

/* ============================================
   14. ACCESSIBILITY — REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    span.nfs-bell-wrapper { transition: none !important; animation: none !important; }
    .nfs-bell-popup.active { animation: none !important; transition: none !important; }
    .nfs-bell-badge.active { animation: none !important; }
    .nfs-bell-icon.has-notifications { animation: none !important; }
    .nfs-bell-toast { transition: opacity 0.15s ease !important; transform: none !important; }
    .nfs-bell-toast.nfs-bell-toast-visible { transform: none !important; }
    .nfs-notification-item { transition: none !important; }
    .nfs-notif-menu { transition: none !important; transform: none !important; }
    .nfs-loader-spinner, .nfs-notif-menu-item.loading::after { animation: none !important; border-top-color: currentColor !important; }
    .nfs-bell-trigger:hover .nfs-bell-icon-wrapper { transform: none !important; }
}

/* ============================================
   15. HIGH CONTRAST SUPPORT
   ============================================ */
@media (prefers-contrast: more) {
    .nfs-notification-item.unread { background: rgba(62, 166, 255, 0.15) !important; }
    .nfs-notif-title { font-weight: 700 !important; }
    .nfs-filter-btn.active { outline: 2px solid var(--nfs-text) !important; }
    .nfs-notif-menu { border-width: 2px !important; }
    .nfs-notif-menu-item { font-weight: 600 !important; }
}