html { background: #FFFDF9; }
        html[data-theme="dark"] { background: #16130e; }
        html[data-theme="light"] { background: #f5f5f7; }
        body { opacity: 0; }
        body.ready { opacity: 1; transition: opacity 0.15s ease; }

        /* Global Skeleton Loading Screen */
        .page-skeleton {
            position: fixed;
            inset: 0;
            z-index: 9999;
            background: var(--bg-primary, #f5f5f7);
            display: flex;
            transition: opacity 0.3s ease;
        }
        .page-skeleton.hide {
            opacity: 0;
            pointer-events: none;
        }
        @keyframes sk-shimmer {
            0% { background-position: -600px 0; }
            100% { background-position: 600px 0; }
        }
        .sk-pulse {
            background: linear-gradient(90deg, var(--bg-tertiary, #e5e5ea) 25%, var(--bg-card-hover, #f9f9fb) 50%, var(--bg-tertiary, #e5e5ea) 75%);
            background-size: 1200px 100%;
            animation: sk-shimmer 1.5s ease-in-out infinite;
            border-radius: 6px;
        }
        /* Skeleton sidebar */
        .sk-sidebar {
            width: 260px;
            background: var(--bg-sidebar, #eaeaee);
            border-right: 1px solid var(--border-color, rgba(0,0,0,0.08));
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .sk-sidebar-logo { width: 140px; height: 28px; margin-bottom: 1.5rem; }
        .sk-sidebar-item { height: 36px; border-radius: 8px; }
        .sk-sidebar-item:nth-child(2) { width: 85%; }
        .sk-sidebar-item:nth-child(3) { width: 75%; }
        .sk-sidebar-item:nth-child(4) { width: 90%; }
        .sk-sidebar-item:nth-child(5) { width: 70%; }
        .sk-sidebar-item:nth-child(6) { width: 80%; }
        .sk-sidebar-item:nth-child(7) { width: 60%; margin-top: 1rem; }
        .sk-sidebar-item:nth-child(8) { width: 75%; }
        /* Skeleton main area */
        .sk-main {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .sk-header {
            height: 64px;
            border-bottom: 1px solid var(--border-color, rgba(0,0,0,0.08));
            display: flex;
            align-items: center;
            padding: 0 2rem;
            gap: 1.5rem;
        }
        .sk-search { flex: 1; max-width: 400px; height: 36px; border-radius: 18px; }
        .sk-nav-item { width: 70px; height: 18px; }
        .sk-avatar { width: 36px; height: 36px; border-radius: 50%; margin-left: auto; }
        /* Skeleton content */
        .sk-content {
            flex: 1;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            align-content: start;
        }
        .sk-content-title { grid-column: 1 / -1; width: 220px; height: 28px; margin-bottom: 0.5rem; }
        .sk-card {
            height: 120px;
            border-radius: 12px;
            border: 1px solid var(--border-color, rgba(0,0,0,0.08));
        }
        @media (max-width: 768px) {
            .sk-sidebar { display: none; }
            .sk-content { grid-template-columns: 1fr; }
        }
    
    :root {
        --font-sans: 'Inter', system-ui, sans-serif;
        --font-mono: 'JetBrains Mono', monospace;
        
        --bg-primary: #0a0a0f;
        --bg-secondary: #12121a;
        --bg-tertiary: #1a1a25;
        --bg-card: #16161f;
        --bg-card-hover: #1e1e2a;
        
        --text-primary: #ffffff;
        --text-secondary: #a1a1aa;
        --text-muted: #71717a;
        
        --accent-primary: #6366f1;
        --accent-primary-hover: #5558e6;
        --accent-secondary: #8b5cf6;
        --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
        --accent-glow: rgba(99, 102, 241, 0.4);
        
        --success: #22c55e;
        --warning: #f59e0b;
        --danger: #ef4444;
        
        --border-color: rgba(255, 255, 255, 0.08);
        --border-hover: rgba(255, 255, 255, 0.15);
        
        --radius-sm: 0.5rem;
        --radius-md: 0.75rem;
        --radius-lg: 1rem;
        --radius-xl: 1.5rem;
        
        --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
        --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
        --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
        --shadow-glow: 0 0 40px var(--accent-glow);
        
        --transition-fast: 150ms ease;
        --transition-base: 250ms ease;
        --transition-slow: 400ms ease;
        
        /* Sidebar */
        --sidebar-width: 260px;
        --sidebar-collapsed: 72px;
        --header-height: 64px;
        --bg-sidebar: #0c0c12;
        --header-bg: rgba(10, 10, 15, 0.95);

        /* Scrollbar */
        --scrollbar-track: rgba(255, 255, 255, 0.05);
        --scrollbar-thumb: rgba(99, 102, 241, 0.5);
        --scrollbar-thumb-hover: rgba(99, 102, 241, 0.7);

        /* Background glow */
        --bg-glow-1: rgba(99, 102, 241, 0.15);
        --bg-glow-2: rgba(139, 92, 246, 0.1);

        /* Inverted text for elements on accent backgrounds */
        --text-on-accent: #ffffff;
    }

    /* ===== LIGHT THEME ===== */
    /* Aligned with design-v2 tokens (design-system.css: --bg, --surface, --ink, --accent) */
    [data-theme="light"] {
        --bg-primary: #FFFDF9;
        --bg-secondary: #F5F1E8;
        --bg-tertiary: #EDE7D8;
        --bg-card: #FFFDF9;
        --bg-card-hover: #F5F1E8;

        --text-primary: #1a1611;
        --text-secondary: #4a3f33;
        --text-muted: #807260;

        --accent-primary: #2F5D3F;
        --accent-primary-hover: #1f4028;
        --accent-secondary: #8b5cf6;
        --accent-gradient: linear-gradient(135deg, #2F5D3F 0%, #6d28d9 50%, #d946ef 100%);
        --accent-glow: rgba(47, 93, 63, 0.15);
        
        --success: #16a34a;
        --warning: #d97706;
        --danger: #dc2626;
        
        --border-color: rgba(26, 22, 17, 0.12);
        --border-hover: rgba(26, 22, 17, 0.22);
        
        --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
        --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
        --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
        --shadow-glow: 0 0 40px var(--accent-glow);
        
        --bg-sidebar: #eaeaee;
        --header-bg: rgba(245, 245, 247, 0.92);

        --scrollbar-track: rgba(0, 0, 0, 0.05);
        --scrollbar-thumb: rgba(99, 102, 241, 0.35);
        --scrollbar-thumb-hover: rgba(99, 102, 241, 0.55);

        --bg-glow-1: rgba(99, 102, 241, 0.06);
        --bg-glow-2: rgba(139, 92, 246, 0.04);

        --text-on-accent: #ffffff;
    }

    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    /* Custom Scrollbar */
    * {
        scrollbar-width: thin;
        scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
    }
    
    *::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }
    
    *::-webkit-scrollbar-track {
        background: var(--scrollbar-track);
        border-radius: 4px;
    }
    
    *::-webkit-scrollbar-thumb {
        background: var(--scrollbar-thumb);
        border-radius: 4px;
        border: 2px solid transparent;
        background-clip: padding-box;
    }
    
    *::-webkit-scrollbar-thumb:hover {
        background: var(--scrollbar-thumb-hover);
    }
    
    *::-webkit-scrollbar-corner {
        background: transparent;
    }

    html {
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: clip;
    }

    body {
        font-family: var(--font-sans);
        background: var(--bg, var(--bg-primary));
        color: var(--ink, var(--text-primary));
        line-height: 1.6;
        min-height: 100vh;
        overflow-x: clip;
    }

    /* Background effects */
    body::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 100vh;
        background: 
            radial-gradient(ellipse 80% 50% at 50% -20%, var(--bg-glow-1), transparent),
            radial-gradient(ellipse 60% 40% at 80% 60%, var(--bg-glow-2), transparent);
        pointer-events: none;
        z-index: -1;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    img {
        max-width: 100%;
        height: auto;
    }

    button {
        font-family: inherit;
        cursor: pointer;
    }

    /* Container */
    .container {
        width: 100%;
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 1.5rem;
    }

    .container-narrow {
        max-width: 1100px;
    }

    /* Header */
    .site-header {
        position: fixed;
        top: 0;
        left: var(--sidebar-width);
        right: 0;
        z-index: 100;
        background: var(--header-bg);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-color);
        transition: left var(--transition-base);
    }

    .sidebar.collapsed ~ .main-wrapper .site-header {
        left: var(--sidebar-collapsed);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--header-height);
        gap: 2rem;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        font-weight: 800;
        font-size: 1.25rem;
        letter-spacing: -0.02em;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        background: var(--accent-gradient);
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
    }

    .logo-img {
        width: 36px;
        height: 36px;
        border-radius: var(--radius-md);
    }

    .nav-main {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-secondary);
        border-radius: var(--radius-md);
        transition: all var(--transition-fast);
    }

    .nav-link:hover {
        color: var(--text-primary);
        background: var(--bg-tertiary);
    }

    .nav-link.active {
        color: var(--text-primary);
        background: var(--bg-tertiary);
    }

    /* Nav Dropdown */
    .nav-dropdown {
        position: relative;
    }

    .nav-dropdown-menu {
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        min-width: 280px;
        max-height: 400px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-fast);
        z-index: 1000;
        margin-top: 0.5rem;
        overflow: hidden;
    }

    .nav-dropdown:hover .nav-dropdown-menu {
        opacity: 1;
        visibility: visible;
    }

    .dropdown-search {
        padding: 0.75rem;
        border-bottom: 1px solid var(--border-color);
    }

    .dropdown-search input {
        width: 100%;
        padding: 0.5rem 0.75rem;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        color: var(--text-primary);
        font-size: 0.875rem;
    }

    .dropdown-search input:focus {
        outline: none;
        border-color: var(--accent-primary);
    }

    .dropdown-items {
        max-height: 320px;
        overflow-y: auto;
        padding: 0.5rem 0;
    }

    .dropdown-group {
        padding: 0.5rem 0;
    }

    .dropdown-group-title {
        padding: 0.375rem 1rem;
        font-size: 0.6875rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--text-muted);
    }

    .dropdown-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0.5rem 1rem;
        color: var(--text-secondary);
        font-size: 0.875rem;
        transition: all var(--transition-fast);
        text-decoration: none;
    }

    .dropdown-item:hover {
        background: var(--bg-tertiary);
        color: var(--text-primary);
    }

    .dropdown-item-count {
        font-size: 0.75rem;
        color: var(--text-muted);
        background: var(--bg-tertiary);
        padding: 0.125rem 0.5rem;
        border-radius: 9999px;
    }

    .dropdown-view-all {
        border-top: 1px solid var(--border-color);
        margin-top: 0.5rem;
        padding-top: 0.75rem;
        justify-content: center;
        color: var(--accent-primary) !important;
        font-weight: 600;
    }

    .nav-dropdown-trigger {
        display: flex;
        align-items: center;
    }

    .nav-dropdown-trigger svg {
        transition: transform var(--transition-fast);
    }

    .nav-dropdown:hover .nav-dropdown-trigger svg {
        transform: rotate(180deg);
    }

    /* Search Bar */
    .search-wrapper {
        flex: 1;
        max-width: 400px;
        position: relative;
    }

    .search-input {
        width: 100%;
        padding: 0.625rem 1rem 0.625rem 2.75rem;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: 9999px;
        color: var(--text-primary);
        font-size: 0.875rem;
        transition: all var(--transition-fast);
    }

    .search-input::placeholder {
        color: var(--text-muted);
    }

    .search-input:focus {
        outline: none;
        border-color: var(--accent-primary);
        box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    }

    .search-icon {
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-muted);
        pointer-events: none;
    }

    /* Header Actions */
    .header-actions {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .header-nav {
        display: flex;
        align-items: center;
        gap: 2px;
    }

    .header-nav-link {
        position: relative;
        padding: 6px 12px;
        font-size: 13.5px;
        font-weight: 500;
        color: var(--text-muted);
        border-radius: 6px;
        transition: color 0.2s ease;
        white-space: nowrap;
    }

    .header-nav-link:hover {
        color: var(--text-primary);
    }

    .header-nav-link.active {
        color: var(--text-primary);
        font-weight: 600;
    }

    .header-nav-soon {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .soon-badge {
        font-size: 0.6rem;
        padding: 0.15rem 0.4rem;
        background: var(--bg-tertiary);
        color: var(--text-muted);
        border-radius: 9999px;
        font-weight: 600;
        text-transform: uppercase;
    }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
        font-weight: 600;
        border-radius: var(--radius-md);
        border: none;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

    .btn-primary {
        background: var(--accent-gradient);
        color: white;
        box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.3);
    }

    .btn-primary:hover {
        transform: translateY(-1px);
        box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.4);
    }

    .btn-secondary {
        background: var(--bg-tertiary);
        color: var(--text-primary);
        border: 1px solid var(--border-color);
    }

    .btn-secondary:hover {
        background: var(--bg-card-hover);
        border-color: var(--border-hover);
    }

    .btn-ghost {
        background: transparent;
        color: var(--text-secondary);
    }

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

    .btn-sm {
        padding: 0.375rem 0.875rem;
        font-size: 0.8125rem;
    }

    .btn-lg {
        padding: 0.875rem 1.75rem;
        font-size: 1rem;
    }

    /* Header Icons & Dropdowns */
    .header-actions {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .header-icon-wrapper {
        position: relative;
    }
    
    .header-icon-btn {
        width: 40px;
        height: 40px;
        border-radius: var(--radius-md);
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary);
        cursor: pointer;
        transition: all var(--transition-fast);
        position: relative;
        text-decoration: none;
    }
    
    .header-icon-btn:hover {
        background: var(--bg-card-hover);
        color: var(--text-primary);
    }

    /* Theme Toggle */
    .theme-toggle {
        width: 40px;
        height: 40px;
        border-radius: var(--radius-md);
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary);
        cursor: pointer;
        transition: all var(--transition-fast);
        position: relative;
    }
    .theme-toggle:hover {
        background: var(--bg-card-hover);
        color: var(--text-primary);
    }
    .theme-toggle .icon-sun,
    .theme-toggle .icon-moon { position: absolute; transition: all 0.3s ease; }
    .theme-toggle .icon-sun { opacity: 0; transform: rotate(-90deg) scale(0); }
    .theme-toggle .icon-moon { opacity: 1; transform: rotate(0) scale(1); }
    [data-theme="light"] .theme-toggle .icon-sun { opacity: 1; transform: rotate(0) scale(1); }
    [data-theme="light"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(90deg) scale(0); }
    
    .header-badge {
        position: absolute;
        top: -4px;
        right: -4px;
        min-width: 18px;
        height: 18px;
        background: var(--danger);
        color: white;
        font-size: 0.65rem;
        font-weight: 700;
        border-radius: 999px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 4px;
    }
    
    .header-user-btn {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--accent-gradient);
        border: none;
        cursor: pointer;
        padding: 0;
        overflow: hidden;
    }
    
    .header-user-avatar {
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-weight: 600;
        font-size: 1rem;
    }
    
    .header-user-avatar img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .header-dropdown {
        position: absolute;
        top: calc(100% + 8px);
        right: 0;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        min-width: 280px;
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-fast);
        z-index: 1000;
    }
    
    .header-dropdown.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .dropdown-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.875rem 1rem;
        border-bottom: 1px solid var(--border-color);
        font-weight: 600;
        font-size: 0.9rem;
    }
    
    .dropdown-header a {
        font-size: 0.8rem;
        color: var(--accent-primary);
        font-weight: 500;
    }
    
    .dropdown-header-actions {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }
    
    .mark-all-read-btn {
        background: none;
        border: none;
        color: var(--text-muted);
        cursor: pointer;
        padding: 0.25rem;
        border-radius: 4px;
        transition: all 0.15s;
        font-size: 0.85rem;
    }
    
    .mark-all-read-btn:hover {
        color: var(--accent-primary);
        background: rgba(139, 92, 246, 0.1);
    }
    
    .dropdown-content {
        max-height: 320px;
        overflow-y: auto;
    }
    
    .dropdown-loading {
        padding: 2rem;
        text-align: center;
        color: var(--text-muted);
    }
    
    .dropdown-user-info {
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .dropdown-user-name {
        display: block;
        font-weight: 600;
        color: var(--text-primary);
    }
    
    .dropdown-user-email {
        display: block;
        font-size: 0.8rem;
        color: var(--text-muted);
        margin-top: 0.125rem;
    }
    
    .dropdown-divider {
        height: 1px;
        background: var(--border-color);
        margin: 0.25rem 0;
    }
    
    .dropdown-item {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.625rem 1rem;
        color: var(--text-secondary);
        font-size: 0.875rem;
        transition: all var(--transition-fast);
    }
    
    .dropdown-item:hover {
        background: var(--bg-tertiary);
        color: var(--text-primary);
    }
    
    .dropdown-item i {
        width: 16px;
        text-align: center;
    }
    
    .dropdown-item-danger {
        color: var(--danger);
    }
    
    .dropdown-item-danger:hover {
        background: rgba(239, 68, 68, 0.1);
    }
    
    /* Notification dropdown items */
    .notif-dropdown-item {
        display: flex;
        gap: 0.75rem;
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--border-color);
        transition: background var(--transition-fast);
    }
    
    .notif-dropdown-item:hover {
        background: var(--bg-tertiary);
    }
    
    .notif-dropdown-item.unread {
        background: rgba(99, 102, 241, 0.05);
    }
    
    .notif-dropdown-icon {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--bg-tertiary);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        color: var(--accent-primary);
        font-size: 0.875rem;
    }
    
    .notif-dropdown-item.unread .notif-dropdown-icon {
        background: var(--accent-primary);
        color: white;
    }
    
    .notif-dropdown-content {
        flex: 1;
        min-width: 0;
    }
    
    .notif-dropdown-title {
        font-size: 0.8rem;
        font-weight: 500;
        color: var(--text-primary);
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .notif-dropdown-time {
        font-size: 0.7rem;
        color: var(--text-muted);
        margin-top: 0.25rem;
    }
    
    .notif-empty {
        padding: 2rem;
        text-align: center;
        color: var(--text-muted);
        font-size: 0.875rem;
    }

    /* Main Content — design-v2 layout has sticky topbar inside .main-area */
    /* so we no longer need padding-top to clear a fixed header. */
    .main-content {
        min-height: calc(100vh - 72px - 200px);
        padding: 0;
    }
    
    /* Alternative: explicit class for pages needing extra padding */
    .page-content-padded {
        padding-top: 2rem;
    }

    /* Sections */
    .section {
        padding: 3rem 0;
    }

    .section-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 1.5rem;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
        font-weight: 700;
        letter-spacing: -0.02em;
    }

    .section-subtitle {
        color: var(--text-secondary);
        margin-top: 0.25rem;
    }

    /* Tool Cards */
    .tools-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.25rem;
    }

    .tool-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: all var(--transition-base);
        position: relative;
    }

    .tool-card:hover {
        background: var(--bg-card-hover);
        border-color: var(--border-hover);
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }

    .tool-card-link {
        display: block;
        padding: 1.25rem;
    }

    .tool-card-header {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 1rem;
        margin-bottom: 1rem;
    }

    .tool-logo {
        width: 56px;
        height: 56px;
        border-radius: var(--radius-md);
        background: white;
        flex-shrink: 0;
        padding: 2px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .tool-logo img {
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
    }

    .tool-badges {
        display: flex;
        gap: 0.375rem;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .badge {
        display: inline-flex;
        align-items: center;
        padding: 0.25rem 0.625rem;
        font-size: 0.6875rem;
        font-weight: 600;
        border-radius: 9999px;
        text-transform: uppercase;
        letter-spacing: 0.025em;
    }

    .badge-verified {
        background: rgba(34, 197, 94, 0.15);
        color: var(--success);
    }

    .badge-featured {
        background: var(--accent-gradient);
        color: white;
    }

    .badge-free {
        background: rgba(59, 130, 246, 0.15);
        color: #60a5fa;
    }

    .badge-new {
        background: rgba(245, 158, 11, 0.15);
        color: var(--warning);
    }

    .tool-name {
        font-size: 1.0625rem;
        font-weight: 700;
        margin-bottom: 0.375rem;
        line-height: 1.3;
    }

    .tool-tagline {
        font-size: 0.875rem;
        color: var(--text-secondary);
        line-height: 1.5;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .tool-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid var(--border-color);
        font-size: 0.8125rem;
    }

    .tool-category {
        color: var(--text-muted);
    }

    .tool-rating {
        display: flex;
        align-items: center;
        gap: 0.25rem;
        color: var(--warning);
        font-weight: 600;
    }

    .tool-pricing {
        font-size: 0.75rem;
        color: var(--accent-primary);
        font-weight: 600;
    }

    /* Categories */
    .categories-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }

    .category-card {
        display: flex;
        align-items: center;
        gap: 1rem;
        padding: 1rem 1.25rem;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        transition: all var(--transition-fast);
    }

    .category-card:hover {
        background: var(--bg-card-hover);
        border-color: var(--border-hover);
        transform: translateX(4px);
    }

    .category-icon {
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--bg-tertiary);
        border-radius: var(--radius-md);
        font-size: 1.25rem;
    }

    .category-info h3 {
        font-size: 0.9375rem;
        font-weight: 600;
    }

    .category-count {
        font-size: 0.75rem;
        color: var(--text-muted);
    }

    /* Tags */
    .tags-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .tag {
        padding: 0.375rem 0.875rem;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: 9999px;
        font-size: 0.8125rem;
        color: var(--text-secondary);
        transition: all var(--transition-fast);
    }

    .tag:hover {
        background: var(--bg-card-hover);
        color: var(--text-primary);
        border-color: var(--accent-primary);
    }

    /* Footer */
    .site-footer {
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
        padding: 3rem 0 2rem;
        margin-top: auto;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr repeat(3, 1fr);
        gap: 3rem;
    }

    .footer-brand p {
        color: var(--text-secondary);
        font-size: 0.875rem;
        margin-top: 1rem;
        max-width: 300px;
    }

    .footer-heading {
        font-size: 0.875rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--text-muted);
        margin-bottom: 1rem;
    }

    .footer-links {
        list-style: none;
    }

    .footer-links li {
        margin-bottom: 0.5rem;
    }

    .footer-links a {
        color: var(--text-secondary);
        font-size: 0.875rem;
        transition: color var(--transition-fast);
    }

    .footer-links a:hover {
        color: var(--text-primary);
    }

    .footer-bottom {
        margin-top: 2.5rem;
        padding-top: 1.5rem;
        border-top: 1px solid var(--border-color);
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.8125rem;
        color: var(--text-muted);
    }

    /* Pagination */
    .pagination {
        display: flex;
        justify-content: center;
        gap: 0.375rem;
        margin-top: 2rem;
    }

    .pagination a, .pagination span {
        min-width: 2.5rem;
        height: 2.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-md);
        font-size: 0.875rem;
        font-weight: 500;
        transition: all var(--transition-fast);
    }

    .pagination a {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        color: var(--text-secondary);
    }

    .pagination a:hover {
        background: var(--bg-card-hover);
        color: var(--text-primary);
    }

    .pagination .active {
        background: var(--accent-primary);
        color: white;
        border: none;
    }

    /* Utilities */
    .text-gradient {
        background: var(--accent-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .visually-hidden {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        border: 0;
    }

    /* Mobile menu button - hidden on desktop by default */
    .mobile-menu-btn {
        display: none;
    }

    /* Mobile logo - hidden on desktop */
    .header-logo-mobile {
        display: none;
    }
    
    /* Mobile menu - hidden by default */
    .mobile-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        z-index: 50;
        overflow-y: auto;
        padding: 80px 1rem 1rem 1rem;
    }
    
    .mobile-menu-search {
        margin-bottom: 1.5rem;
    }
    
    .mobile-menu-search input {
        width: 100%;
        padding: 0.875rem 1rem;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        color: var(--text-primary);
        font-size: 1rem;
    }
    
    .mobile-menu-nav {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .mobile-menu-nav a {
        display: flex;
        align-items: center;
        padding: 1rem;
        color: var(--text-secondary);
        font-size: 1rem;
        font-weight: 500;
        border-radius: var(--radius-md);
        transition: all var(--transition-fast);
    }
    
    .mobile-menu-nav a:hover,
    .mobile-menu-nav a.active {
        background: var(--bg-tertiary);
        color: var(--text-primary);
    }
    
    .mobile-menu-divider {
        height: 1px;
        background: var(--border-color);
        margin: 1rem 0;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .nav-main {
            gap: 0.25rem;
        }
        
        .nav-link {
            padding: 0.5rem 0.75rem;
            font-size: 0.85rem;
        }
        
        .search-wrapper {
            max-width: 280px;
        }
    }

    @media (max-width: 768px) {
        /* Container - prevent overflow */
        .container {
            padding: 0 1rem;
            max-width: 100%;
            overflow-x: hidden;
        }
        
        .main-content {
            overflow-x: hidden;
            max-width: 100vw;
        }
        
        /* Header */
        .header-inner {
            height: 56px;
            gap: 0.5rem;
            justify-content: space-between;
        }

        /* Hide nav on mobile */
        .nav-main {
            display: none;
        }

        /* Hide desktop search */
        .search-wrapper {
            display: none;
        }

        /* Hide header nav on mobile */
        .header-nav {
            display: none;
        }
        
        /* Header actions - mobile */
        .header-actions {
            gap: 0.5rem;
            margin-left: auto;
            display: flex;
            align-items: center;
        }
        
        /* Show Sign In on mobile as small button */
        .header-actions .btn-ghost {
            display: flex;
            padding: 0.5rem 0.75rem;
            font-size: 0.75rem;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
        }
        
        .header-actions .btn-primary {
            padding: 0.5rem 0.75rem;
            font-size: 0.75rem;
        }
        
        .header-actions .btn-primary span {
            display: none;
        }
        
        .header-actions .btn-primary svg {
            margin: 0;
        }

        /* Mobile logo - show on mobile */
        .header-logo-mobile {
            display: flex;
            align-items: center;
        }

        .header-logo-mobile img {
            height: 28px;
            width: auto;
        }

        /* Mobile menu button - show on mobile */
        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            color: var(--text-primary);
            cursor: pointer;
            flex-shrink: 0;
            margin-left: 0.75rem;
        }

        /* Hero text responsive */
        .hero-title {
            font-size: 1.75rem !important;
            line-height: 1.2 !important;
        }
        
        .hero-subtitle {
            font-size: 0.9rem !important;
        }

        /* Main content — design-v2 has sticky topbar, no extra top padding needed */
        .main-content {
            padding: 0;
        }

        /* Sections */
        .section {
            padding: 1.5rem 0;
        }
        
        .section-header {
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: 1.25rem;
        }

        /* Tool cards */
        .tools-grid {
            grid-template-columns: 1fr;
            gap: 1rem;
        }

        /* Footer */
        .site-footer {
            padding: 1.5rem 0 1rem;
        }
        
        .footer-grid {
            grid-template-columns: 1fr 1fr 1fr;
            gap: 0.75rem;
        }
        
        .footer-brand {
            grid-column: span 3;
            text-align: center;
        }
        
        .footer-brand .logo {
            justify-content: center;
        }
        
        .footer-brand .logo span {
            font-size: 0.875rem;
        }
        
        .footer-brand .logo-img {
            height: 20px;
        }
        
        .footer-brand p {
            font-size: 0.75rem;
            margin: 0.5rem auto 0;
            max-width: 260px;
        }
        
        .footer-heading {
            font-size: 0.625rem;
            margin-bottom: 0.5rem;
        }
        
        .footer-links li {
            margin-bottom: 0.2rem;
        }
        
        .footer-links a {
            font-size: 0.6875rem;
        }

        .footer-bottom {
            flex-direction: column;
            gap: 0.375rem;
            text-align: center;
            margin-top: 1.25rem;
            padding-top: 0.75rem;
            font-size: 0.6875rem;
        }

        /* Buttons */
        .btn {
            padding: 0.625rem 1rem;
        }
        
        .btn-lg {
            padding: 0.75rem 1.25rem;
            font-size: 0.9375rem;
        }

        /* Pagination */
        .pagination {
            flex-wrap: wrap;
        }
        
        .pagination a, .pagination span {
            min-width: 2.25rem;
            height: 2.25rem;
            font-size: 0.8125rem;
        }
    }

    @media (max-width: 480px) {
        /* Extra small screens */
        .container {
            padding: 0 0.75rem;
        }
        
        .header-inner {
            height: 56px;
        }
        
        .logo {
            font-size: 0.9375rem;
        }
        
        .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 0.875rem;
        }
        
        .header-actions .btn-primary {
            padding: 0.5rem 0.75rem;
            font-size: 0.75rem;
        }
        
        .mobile-menu-btn {
            width: 36px;
            height: 36px;
        }
        
        .section-title {
            font-size: 1.125rem;
        }
        
        .tools-grid {
            gap: 0.75rem;
        }
    }

    /* ==================== MOBILE BOTTOM NAVIGATION ==================== */
    .mobile-bottom-nav {
        display: none; /* Hidden on desktop */
    }

    @media (max-width: 768px) {
        .mobile-bottom-nav {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-primary);
            border-top: 1px solid var(--border-color);
            padding: 0.25rem 0;
            padding-bottom: env(safe-area-inset-bottom, 0.25rem);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .bnav-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 0.125rem;
            padding: 0.375rem 0;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.625rem;
            font-weight: 500;
            transition: color 0.15s;
            position: relative;
            -webkit-tap-highlight-color: transparent;
        }

        .bnav-item svg { transition: transform 0.15s; }
        .bnav-item:active svg { transform: scale(0.9); }

        .bnav-item.active {
            color: var(--accent-color, #6366f1);
        }

        .bnav-item.active svg {
            stroke-width: 2.2;
        }

        .bnav-avatar {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            object-fit: cover;
        }

        .bnav-item.active .bnav-avatar {
            box-shadow: 0 0 0 2px var(--accent-color, #6366f1);
        }

        .bnav-badge {
            position: absolute;
            top: 0;
            right: 50%;
            transform: translateX(calc(50% + 8px));
            background: #ef4444;
            color: #fff;
            font-size: 0.5625rem;
            font-weight: 700;
            min-width: 16px;
            height: 16px;
            line-height: 16px;
            text-align: center;
            border-radius: 8px;
            padding: 0 4px;
        }

        /* Add bottom padding to main content for bottom nav */
        .main-content {
            padding-bottom: 72px !important;
        }

        /* Hide footer on mobile to save space (optional, show only important links) */
        .site-footer {
            padding-bottom: 72px;
        }

        /* Simplified mobile header */
        .header-inner {
            height: 48px !important;
            gap: 0.5rem !important;
        }

        .header-logo-mobile img {
            height: 30px !important;
        }

        /* Theme toggle - compact on mobile */
        .theme-toggle {
            width: 32px !important;
            height: 32px !important;
        }
        .theme-toggle svg {
            width: 15px;
            height: 15px;
        }

        /* Compact notification & message icons */
        .header-icon-btn {
            width: 32px !important;
            height: 32px !important;
            font-size: 0.8125rem !important;
        }

        /* Compact user dropdown trigger */
        .user-avatar-btn img,
        .user-avatar-btn .avatar-placeholder {
            width: 28px !important;
            height: 28px !important;
        }

        /* Hide desktop sign-in / submit buttons, use bottom nav instead */
        .header-actions .btn-ghost {
            display: none !important;
        }

        .header-actions .btn-primary {
            display: none !important;
        }
        
        /* Show submit as compact icon button on mobile */
        .header-actions .btn-primary.mobile-submit-btn {
            display: flex !important;
            width: 32px !important;
            height: 32px !important;
            padding: 0 !important;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md) !important;
            font-size: 0 !important;
        }
        .header-actions .btn-primary.mobile-submit-btn span {
            display: none !important;
        }
        .header-actions .btn-primary.mobile-submit-btn svg {
            width: 16px !important;
            height: 16px !important;
            margin: 0 !important;
        }
        
        /* Notification & user dropdowns - fixed overlay on mobile */
        .header-dropdown {
            position: fixed !important;
            top: 48px !important;
            left: 0 !important;
            right: 0 !important;
            max-height: calc(100vh - 48px - 60px) !important;
            overflow-y: auto !important;
            border-radius: 0 !important;
            min-width: 0 !important;
            border-left: none !important;
            border-right: none !important;
        }
        
        /* Backdrop when dropdown open */
        .header-dropdown.active::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.3);
            z-index: -1;
        }

        /* Search overlay with close button */
        .search-wrapper.mobile-search-open .search-close-btn {
            display: flex !important;
        }

        /* Make mobile menu btn smaller */
        .mobile-menu-btn {
            width: 32px !important;
            height: 32px !important;
            margin-left: 0 !important;
        }

        /* Mobile search button in header */
        .mobile-search-btn {
            display: flex !important;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            color: var(--text-secondary);
            cursor: pointer;
            flex-shrink: 0;
        }

        /* Mobile search overlay */
        .search-wrapper.mobile-search-open {
            display: flex !important;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1001;
            max-width: 100% !important;
            padding: 0.5rem;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            animation: slideDown 0.2s ease;
        }

        .search-wrapper.mobile-search-open .search-input {
            font-size: 16px !important; /* Prevent zoom on iOS */
        }

        @keyframes slideDown {
            from { transform: translateY(-100%); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }
    }

    /* Hide mobile search button on desktop */
    .mobile-search-btn {
        display: none;
    }
    
    /* Search close button - hidden by default */
    .search-close-btn {
        display: none;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        color: var(--text-secondary);
        cursor: pointer;
        flex-shrink: 0;
        margin-left: 0.25rem;
    }
    .search-close-btn:hover {
        background: var(--bg-card-hover);
        color: var(--text-primary);
    }

    /* ==================== HORIZONTAL SCROLL INDICATORS ==================== */
    .hscroll-fade {
        position: relative;
    }
    
    .hscroll-fade::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        width: 40px;
        background: linear-gradient(to left, var(--bg-primary) 0%, transparent 100%);
        pointer-events: none;
        z-index: 2;
        opacity: 1;
        transition: opacity 0.2s;
    }
    
    .hscroll-fade.scrolled-end::after {
        opacity: 0;
    }
    
    /* Background variants for different sections */
    .hero-new .hscroll-fade::after {
        background: linear-gradient(to left, var(--bg-primary) 0%, transparent 100%);
    }
    
    .feed-section .hscroll-fade::after {
        background: linear-gradient(to left, var(--bg-primary) 0%, transparent 100%);
    }

    /* Loading animation */
    @keyframes pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.5; }
    }

    .loading {
        animation: pulse 1.5s ease-in-out infinite;
    }

    /* ==================== SIDEBAR ==================== */
    .app-layout {
        display: flex;
        min-height: 100vh;
        overflow-x: hidden;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: var(--sidebar-width);
        background: var(--bg-sidebar);
        display: flex;
        flex-direction: column;
        z-index: 100;
        transition: width var(--transition-base), transform var(--transition-base);
    }

    .sidebar::after {
        content: '';
        position: absolute;
        right: 0;
        top: 0;
        bottom: 0;
        width: 1px;
        background: var(--border-color);
        z-index: 1;
    }

    .sidebar.collapsed {
        width: var(--sidebar-collapsed);
        overflow: visible;
    }

    .sidebar.collapsed .sidebar-text,
    .sidebar.collapsed .sidebar-section-title,
    .sidebar.collapsed .sidebar-logo-text,
    .sidebar.collapsed .nav-badge,
    .sidebar.collapsed .sidebar-usecase-toggle svg {
        display: none;
    }

    .sidebar.collapsed .sidebar-header {
        padding: 2rem;
        justify-content: center;
        gap: 0;
    }

    .sidebar.collapsed .sidebar-logo {
        margin: 0;
    }

    .sidebar.collapsed .sidebar-toggle {
        position: absolute;
        right: -16px;
        top: 16px;
        transform: rotate(180deg);
        background: var(--bg-primary);
        border: 1px solid var(--border-color);
        border-radius: 6px;
        width: 30px;
        height: 30px;
        z-index: 5;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary);
    }

    .sidebar.collapsed .sidebar-toggle:hover {
        color: var(--text-primary);
        border-color: var(--text-muted);
    }

    .sidebar.collapsed .sidebar-toggle svg {
        position: relative;
        left: 5px;
    }

    .sidebar.collapsed .sidebar-toggle:hover {
        background: var(--bg-tertiary);
        border-color: var(--text-muted);
        color: var(--text-primary);
    }

    .sidebar.collapsed .sidebar-nav-item,
    .sidebar.collapsed .sidebar-usecase-toggle {
        justify-content: center;
        padding: 0.75rem 0;
        margin: 0.25rem auto;
        width: calc(100% - 1rem);
        position: relative;
    }

    .sidebar.collapsed .sidebar-nav-icon {
        margin-right: 0;
        width: 24px;
        height: 24px;
        font-size: 1.125rem;
    }

    .sidebar.collapsed .sidebar-section {
        padding: 0;
        margin-bottom: 1rem;
        padding-bottom: 0.75rem;
        border-bottom: 1px solid var(--border-color);
    }

    .sidebar.collapsed .sidebar-section:last-child {
        border-bottom: none;
        margin-bottom: 0;
    }

    .sidebar.collapsed .sidebar-section-title {
        height: 0;
        margin: 0;
        padding: 0;
        overflow: hidden;
    }

    .sidebar.collapsed .sidebar-nav {
        overflow-y: auto;
        overflow-x: visible;
        padding: 1rem 0;
    }

    .sidebar.collapsed .sidebar-nav::-webkit-scrollbar {
        width: 0;
        display: none;
    }

    /* Tooltip for collapsed sidebar - will be positioned by JS */
    .sidebar-tooltip {
        position: fixed;
        background: var(--bg-card);
        color: var(--text-primary);
        padding: 0.5rem 0.75rem;
        border-radius: var(--radius-sm);
        font-size: 0.8125rem;
        font-weight: 500;
        white-space: nowrap;
        z-index: 9999;
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border-color);
        pointer-events: none;
        opacity: 0;
        transition: opacity var(--transition-fast);
    }

    .sidebar-tooltip.visible {
        opacity: 1;
    }

    .sidebar.collapsed .sidebar-footer {
        overflow: visible;
    }

    .sidebar.collapsed .sidebar-search,
    .sidebar.collapsed .sidebar-submenu,
    .sidebar.collapsed .sidebar-usecase-wrapper {
        display: none;
    }

    .sidebar.collapsed .sidebar-footer {
        padding: 1rem;
        display: flex;
        justify-content: center;
    }

    .sidebar.collapsed .sidebar-footer-user {
        justify-content: center;
    }

    .sidebar.collapsed .sidebar-user {
        justify-content: center;
        padding: 0;
        gap: 0;
        flex: 0;
    }

    .sidebar.collapsed .sidebar-user-info,
    .sidebar.collapsed .sidebar-logout {
        display: none;
    }

    .sidebar-header {
        padding: 2rem;
        border-bottom: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--header-height);
        min-height: var(--header-height);
        position: relative;
        overflow: visible;
        z-index: 10;
    }

    .sidebar-logo {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .sidebar-logo-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
        border-radius: var(--radius-md);
    }

    .sidebar-logo-text {
        font-weight: 800;
        font-size: 1.1rem;
        letter-spacing: -0.02em;
        white-space: nowrap;
        transition: opacity var(--transition-base), width var(--transition-base);
    }

    .sidebar-toggle {
        width: 28px;
        height: 28px;
        border: none;
        background: var(--bg-tertiary);
        border-radius: var(--radius-sm);
        color: var(--text-secondary);
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all var(--transition-fast);
        flex-shrink: 0;
    }

    .sidebar-toggle:hover {
        background: var(--bg-card-hover);
        color: var(--text-primary);
    }

    .sidebar.collapsed .sidebar-toggle {
        transform: rotate(180deg);
    }

    .sidebar-nav {
        flex: 1;
        overflow-y: auto;
        padding: 1rem 0;
        /* Hide scrollbar but keep functionality */
        scrollbar-width: none; /* Firefox */
        -ms-overflow-style: none; /* IE/Edge */
    }

    .sidebar-nav::-webkit-scrollbar {
        display: none; /* Chrome/Safari/Opera */
    }

    /* Fade effect at bottom to indicate more content */
    .sidebar-nav::after {
        content: '';
        position: sticky;
        bottom: 0;
        left: 0;
        right: 0;
        height: 60px;
        background: linear-gradient(to top, var(--bg-sidebar) 0%, var(--bg-sidebar) 15%, transparent 100%);
        pointer-events: none;
        display: block;
        margin-top: -60px;
        z-index: 2;
    }

    .sidebar-section {
        margin-bottom: 1.5rem;
    }

    .sidebar-section-title {
        padding: 0 1.25rem;
        margin-bottom: 0.5rem;
        font-size: 0.65rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        color: var(--text-muted);
        white-space: nowrap;
        transition: opacity var(--transition-base);
    }

    .sidebar-nav-item {
        display: flex;
        align-items: center;
        padding: 0.625rem 1.25rem;
        margin: 0.125rem 0.75rem;
        color: var(--text-secondary);
        font-size: 0.875rem;
        font-weight: 500;
        border-radius: var(--radius-md);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

    .sidebar-nav-item:hover {
        background: var(--bg-tertiary);
        color: var(--text-primary);
    }

    .sidebar-nav-item.active {
        background: rgba(99, 102, 241, 0.15);
        color: var(--accent-primary);
    }

    .sidebar-nav-icon {
        width: 20px;
        height: 20px;
        margin-right: 0.75rem;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.95rem;
        flex-shrink: 0;
        transition: margin var(--transition-base);
    }

    .sidebar-nav-icon i {
        background: var(--accent-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .sidebar-nav-item:hover .sidebar-nav-icon i {
        background: linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #e879f9 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .sidebar-nav-item.active .sidebar-nav-icon i {
        background: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .sidebar-text {
        transition: opacity var(--transition-base), width var(--transition-base);
    }

    .nav-badge {
        margin-left: auto;
        padding: 0.125rem 0.5rem;
        font-size: 0.625rem;
        font-weight: 700;
        background: var(--accent-gradient);
        border-radius: 9999px;
        color: white;
        transition: opacity var(--transition-base);
    }

    .nav-badge.soon {
        background: var(--bg-tertiary);
        color: var(--text-muted);
    }

    .nav-badge.new {
        background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
        color: white;
        animation: pulse-badge 2s ease-in-out infinite;
    }

    @keyframes pulse-badge {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.7; }
    }

    .sidebar-footer {
        padding: 1rem 1.25rem;
        border-top: 1px solid var(--border-color);
    }

    .sidebar-footer-user {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.5rem;
    }

    .sidebar-user {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.5rem;
        border-radius: var(--radius-md);
        transition: background var(--transition-fast);
        flex: 1;
        min-width: 0;
    }

    .sidebar-logout {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: var(--radius-md);
        color: var(--text-muted);
        transition: all var(--transition-fast);
        flex-shrink: 0;
    }

    .sidebar-logout:hover {
        background: rgba(239, 68, 68, 0.15);
        color: var(--danger);
    }

    .sidebar-user:hover {
        background: var(--bg-tertiary);
    }

    .sidebar-user-avatar {
        width: 36px;
        height: 36px;
        min-width: 36px;
        border-radius: 50%;
        background: var(--accent-gradient);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 0.875rem;
        color: white;
    }

    .sidebar-user-info {
        overflow: hidden;
    }

    .sidebar-user-name {
        font-weight: 600;
        font-size: 0.875rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .sidebar-user-role {
        font-size: 0.75rem;
        color: var(--text-muted);
    }

    /* ═══ PRO USER STYLES ═══ */
    .pro-name {
        background: linear-gradient(135deg, #8b5cf6, #d946ef, #f59e0b);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .pro-avatar {
        background: linear-gradient(135deg, #8b5cf6, #d946ef) !important;
        box-shadow: 0 0 0 2px rgba(139,92,246,0.3);
    }
    .sidebar-pro-badge {
        color: #d946ef !important;
        font-weight: 700;
        font-size: 0.7rem;
        display: flex;
        align-items: center;
        gap: 3px;
    }
    .sidebar-pro-badge i { font-size: 0.6rem; }
    .sidebar-go-pro {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        border-radius: 8px;
        color: #d946ef;
        text-decoration: none;
        transition: all 0.2s;
        font-size: 14px;
        flex-shrink: 0;
    }
    .sidebar-go-pro:hover { background: rgba(217,70,239,0.1); color: #c026d3; }
    .sidebar-go-pro i { font-size: 14px; }

    .dropdown-pro-tag {
        display: inline-flex;
        align-items: center;
        gap: 3px;
        font-size: 10px;
        font-weight: 700;
        color: #d946ef;
        background: rgba(217,70,239,0.1);
        padding: 1px 7px;
        border-radius: 4px;
        margin-left: 4px;
    }
    .dropdown-pro-tag i { font-size: 8px; }
    .dropdown-item-pro {
        color: #d946ef !important;
        font-weight: 600 !important;
    }
    .dropdown-item-pro:hover {
        background: rgba(217,70,239,0.08) !important;
    }

    .sidebar-mini-footer {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
        gap: 0.25rem;
        padding: 0.75rem 1rem;
        border-top: 1px solid var(--border-color);
    }

    .sidebar-mini-footer a {
        font-size: 0.625rem;
        color: var(--text-muted);
        text-decoration: none;
        transition: color 0.15s;
    }

    .sidebar-mini-footer a:hover {
        color: var(--text-secondary);
    }

    .sidebar-mini-footer span {
        font-size: 0.5rem;
        color: var(--text-muted);
        opacity: 0.4;
    }

    .main-wrapper {
        flex: 1;
        margin-left: var(--sidebar-width);
        transition: margin-left var(--transition-base);
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }

    .sidebar.collapsed ~ .main-wrapper {
        margin-left: var(--sidebar-collapsed);
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.6);
        z-index: 99;
    }

    /* Sidebar search for use cases */
    .sidebar-search {
        padding: 0 0.75rem;
        margin-bottom: 0.5rem;
    }

    .sidebar-search input {
        width: 100%;
        padding: 0.5rem 0.75rem;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        color: var(--text-primary);
        font-size: 0.8rem;
    }

    .sidebar-search input:focus {
        outline: none;
        border-color: var(--accent-primary);
    }

    .sidebar-submenu {
        max-height: 200px;
        overflow-y: auto;
        margin: 0 0.75rem;
        padding: 0.25rem 0;
        background: var(--bg-tertiary);
        border-radius: var(--radius-sm);
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .sidebar-submenu::-webkit-scrollbar {
        display: none;
    }

    .sidebar-submenu-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
        color: var(--text-secondary);
        transition: all var(--transition-fast);
    }

    .sidebar-submenu-item:hover {
        background: var(--bg-card-hover);
        color: var(--text-primary);
    }

    .sidebar-submenu-count {
        font-size: 0.7rem;
        color: var(--text-muted);
        background: var(--bg-secondary);
        padding: 0.125rem 0.375rem;
        border-radius: 9999px;
    }

    /* Use Cases Toggle */
    .sidebar-usecase-toggle {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        cursor: pointer;
    }

    .sidebar-usecase-toggle svg {
        transition: transform var(--transition-fast);
    }

    .sidebar-usecase-toggle.open svg {
        transform: rotate(180deg);
    }

    .sidebar-usecase-wrapper {
        display: none;
        margin-top: 0.5rem;
    }

    .sidebar-usecase-wrapper.open {
        display: block;
    }

    /* Desktop sidebar responsive */
    @media (max-width: 1024px) {
        .sidebar {
            transform: translateX(-100%);
        }

        .sidebar.mobile-open {
            transform: translateX(0);
        }

        .sidebar-overlay.active {
            display: block;
        }

        .main-wrapper {
            margin-left: 0 !important;
        }

        /* Hide sidebar toggle on mobile - it's for desktop only */
        .sidebar-toggle,
        .sidebar .sidebar-toggle,
        .sidebar-header .sidebar-toggle,
        #sidebarToggle {
            display: none !important;
            visibility: hidden !important;
            opacity: 0 !important;
            width: 0 !important;
            height: 0 !important;
            overflow: hidden !important;
        }

        /* Fix header position on mobile */
        .site-header {
            left: 0 !important;
        }

        /* Sidebar header adjustment without toggle */
        .sidebar-header {
            display: none;
        }
    }

    /* Autocomplete dropdown */
    .autocomplete-dropdown {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        margin-top: 0.5rem;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
        overflow: hidden;
        z-index: 100;
        display: none;
    }

    .autocomplete-dropdown.active {
        display: block;
    }

    .autocomplete-item {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.75rem 1rem;
        cursor: pointer;
        transition: background var(--transition-fast);
    }

    .autocomplete-item:hover {
        background: var(--bg-tertiary);
    }

    .autocomplete-item img {
        width: 32px;
        height: 32px;
        border-radius: var(--radius-sm);
        object-fit: cover;
    }

    .autocomplete-type {
        font-size: 0.6875rem;
        color: var(--text-muted);
        text-transform: uppercase;
    }

    /* ===== PRO USER STYLES (Global) ===== */
    .pro-user-badge {
        display: inline-flex;
        align-items: center;
        gap: 2px;
        font-size: 0.625rem;
        font-weight: 700;
        letter-spacing: 0.03em;
        color: #a78bfa;
        background: linear-gradient(135deg, rgba(139,92,246,0.15), rgba(99,102,241,0.15));
        border: 1px solid rgba(139,92,246,0.25);
        padding: 2px 8px;
        border-radius: 100px;
        white-space: nowrap;
        vertical-align: middle;
        margin-left: 4px;
    }
    
    /* Pro gradient username */
    .pro-username {
        background: linear-gradient(135deg, #818cf8, #a78bfa, #c084fc);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        font-weight: 600;
    }
    
    /* Pro avatar border glow */
    .pro-avatar-ring {
        position: relative;
    }
    .pro-avatar-ring::before {
        content: '';
        position: absolute;
        inset: -3px;
        border-radius: 50%;
        background: linear-gradient(135deg, #6366f1, #a855f7, #6366f1);
        background-size: 200% 200%;
        animation: proGlow 3s ease infinite;
        z-index: 0;
    }
    .pro-avatar-ring > *:first-child,
    .pro-avatar-ring > img {
        position: relative;
        z-index: 1;
    }
    @keyframes proGlow {
        0%, 100% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
    }
    
    /* Pro profile banner */
    .pro-profile-banner {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.75rem;
        font-weight: 600;
        color: #a78bfa;
        background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(168,85,247,0.1));
        border: 1px solid rgba(139,92,246,0.2);
        padding: 4px 12px;
        border-radius: 8px;
        margin-top: 6px;
    }
    
    /* Pro comment highlight */
    .pro-comment {
        border-left: 2px solid #8b5cf6;
        background: linear-gradient(135deg, rgba(99,102,241,0.03), rgba(139,92,246,0.03));
    }
    
    /* Dark theme adjustments */
    [data-theme="light"] .pro-user-badge {
        color: #7c3aed;
        background: linear-gradient(135deg, rgba(139,92,246,0.1), rgba(99,102,241,0.1));
        border-color: rgba(139,92,246,0.2);
    }
    [data-theme="light"] .pro-username {
        background: linear-gradient(135deg, #6366f1, #7c3aed, #9333ea);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }