/* --- THEME VARIABLES --- */
        :root {
            --bg-body: #0f172a;
            --bg-surface: #1e293b;
            --bg-element: #334155;
            --border: #475569;
            --text-main: #f8fafc;
            --text-sub: #94a3b8;
            --primary: #6366f1;
            --primary-hover: #4f46e5;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --info: #0ea5e9;
            --deleted: #64748b;
            --sidebar-width: 280px;
            --header-height: 70px;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
            --font-main: 'Inter', sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
        }

        [data-theme="light"] {
            --bg-body: #f1f5f9;
            --bg-surface: #ffffff;
            --bg-element: #e2e8f0;
            --border: #cbd5e1;
            --text-main: #0f172a;
            --text-sub: #64748b;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        }

        /* --- LAYOUT RESET --- */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Inter', sans-serif;
            transition: background-color 0.2s, border-color 0.2s, color 0.2s;
        }

        /* SMART FOCUS: Removes outline for mouse clicks but keeps it for keyboard tabbing */
        *:focus:not(:focus-visible) {
            outline: none;
        }

        /* --- SCROLLBAR STYLING --- */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-main);
            height: 100vh;
            display: flex;
            overflow: hidden;
        }

        /* Sidebar */
        .sidebar {
            width: var(--sidebar-width);
            background: var(--bg-surface);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            z-index: 20;
            box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        }

        .brand {
            height: var(--header-height);
            display: flex;
            align-items: center;
            padding: 0 24px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-main);
            gap: 12px;
            border-bottom: 1px solid var(--border);
            letter-spacing: -0.5px;
        }

        .brand i {
            color: var(--primary);
            font-size: 1.4rem;
        }

        .nav-section {
            padding: 20px 15px;
            flex: 1;
            overflow-y: auto;
        }

        .nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            color: var(--text-sub);
            font-weight: 700;
            margin: 24px 0 10px 12px;
            letter-spacing: 0.5px;
        }

        .nav-item {
            padding: 12px 16px;
            margin-bottom: 4px;
            border-radius: 8px;
            cursor: pointer;
            color: var(--text-sub);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.9rem;
            border: 1px solid transparent;
        }

        .nav-item:hover {
            background: var(--bg-element);
            color: var(--text-main);
        }

        .nav-item.active {
            background: var(--primary);
            color: white;
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
            border: 1px solid var(--primary);
        }

        .nav-item.active i {
            text-shadow: 0 0 10px rgba(255,255,255,0.5);
        }

        /* Main Content */
        .main {
            flex: 1;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .header {
            height: var(--header-height);
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 30px;
        }

        .content {
            flex: 1;
            padding: 30px;
            overflow-y: auto;
            scroll-behavior: smooth;
        }

        /* UI Elements */
        .card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
            transition: box-shadow 0.2s, transform 0.2s;
        }

        .card:hover {
            box-shadow: 0 8px 24px -4px rgba(0,0,0,0.4);
        }

        .btn {
            padding: 10px 20px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid transparent;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            transition: all 0.2s;
            white-space: nowrap;
        }

        .btn-sm {
            padding: 6px 12px;
            font-size: 0.8rem;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
            box-shadow: 0 2px 4px rgba(99, 102, 241, 0.2);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--border);
            color: var(--text-main);
        }

        .btn-outline:hover {
            border-color: var(--text-sub);
            background: var(--bg-element);
        }

        .btn-danger {
            background: rgba(239, 68, 68, 0.1);
            color: var(--danger);
            border-color: rgba(239, 68, 68, 0.2);
        }

        .btn-danger:hover {
            background: var(--danger);
            color: white;
        }

        .btn-success {
            background: var(--success);
            color: white;
        }

        .btn-success:hover {
            filter: brightness(1.1);
        }

        .form-control {
            width: 100%;
            background: var(--bg-body);
            border: 1px solid var(--border);
            color: var(--text-main);
            padding: 12px 16px;
            border-radius: 8px;
            font-family: var(--font-main);
            transition: 0.2s;
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }

        /* Keyboard focus ring for accessibility */
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* Tables */
        .table-container {
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: var(--bg-surface);
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .data-table th {
            padding: 16px 20px;
            background: var(--bg-element);
            color: var(--text-sub);
            font-size: 0.75rem;
            text-transform: uppercase;
            font-weight: 700;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }

        .data-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
            color: var(--text-main);
            font-size: 0.9rem;
            vertical-align: middle;
        }

        .data-table tr:last-child td {
            border-bottom: none;
        }

        .data-table tr:hover {
            background: var(--bg-element);
        }

        .row-deleted {
            opacity: 0.5;
            filter: grayscale(1);
        }

        /* Badges */
        .badge {
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.7rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .badge-pending {
            background: rgba(245, 158, 11, 0.15);
            color: var(--warning);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }

        .badge-approved {
            background: rgba(16, 185, 129, 0.15);
            color: var(--success);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        .badge-promoted {
            background: rgba(99, 102, 241, 0.15);
            color: var(--primary);
            border: 1px solid rgba(99, 102, 241, 0.3);
        }

        .badge-rejected {
            background: rgba(239, 68, 68, 0.15);
            color: var(--danger);
            border: 1px solid rgba(239, 68, 68, 0.3);
        }

        .badge-deleted {
            background: rgba(100, 116, 139, 0.15);
            color: var(--deleted);
            border: 1px solid rgba(100, 116, 139, 0.3);
        }

        .badge-banned {
            background: rgba(239, 68, 68, 0.2);
            color: #ef4444;
            border: 1px solid #ef4444;
            font-weight: 800;
        }

        .badge-sheet {
            background: rgba(59, 130, 246, 0.15);
            color: #3b82f6;
            border: 1px solid rgba(59, 130, 246, 0.3);
        }

        /* Bulk Actions Bar */
        #bulk-actions-bar {
            background: var(--primary);
            color: white;
            padding: 15px 25px;
            border-radius: 12px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.4);
        }

        /* Modal */
        .overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(5px);
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transition: 0.3s;
        }

        .overlay.active {
            opacity: 1;
            pointer-events: all;
        }

        .modal {
            width: 900px;
            max-width: 95vw;
            height: 85vh;
            background: var(--bg-surface);
            border-radius: 16px;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
        }

        .modal-body {
            flex: 1;
            display: flex;
            overflow: hidden;
        }

        .modal-sidebar {
            width: 220px;
            border-right: 1px solid var(--border);
            padding: 20px;
            background: var(--bg-element);
            display: flex;
            flex-direction: column;
        }

        .modal-main {
            flex: 1;
            padding: 30px;
            overflow-y: auto;
            background: var(--bg-surface);
        }

        .tab-btn {
            width: 100%;
            text-align: left;
            padding: 12px 16px;
            margin-bottom: 5px;
            border-radius: 8px;
            cursor: pointer;
            color: var(--text-sub);
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: 0.2s;
        }

        .tab-btn.active {
            background: var(--primary);
            color: white;
        }

        /* Image Proofs */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }

        .proof-item {
            border: 1px solid var(--border);
            border-radius: 8px;
            overflow: hidden;
            background: #000;
            text-align: center;
        }

        .proof-item img {
            width: 100%;
            height: 200px;
            object-fit: contain;
            cursor: zoom-in;
        }

        .proof-label {
            padding: 8px;
            font-size: 0.8rem;
            background: var(--bg-element);
            color: var(--text-sub);
            border-top: 1px solid var(--border);
        }

        /* Lightbox for zooming images */
        #lightbox {
            z-index: 200;
        }

        #lightbox img {
            max-width: 95vw;
            max-height: 95vh;
            border-radius: 8px;
            box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
        }

        /* Utilities */
        .hidden {
            display: none !important;
        }

        .fade-in {
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Stat card value emphasis */
        .stat-value {
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: -1px;
            line-height: 1;
            margin: 8px 0 4px;
            font-family: var(--font-mono);
        }
        .stat-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-sub);
        }

        /* Loading shimmer for async states */
        @keyframes shimmer {
            0% { background-position: -200% 0; }
            100% { background-position: 200% 0; }
        }
        .shimmer {
            background: linear-gradient(90deg, var(--bg-element) 25%, var(--bg-surface) 50%, var(--bg-element) 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
            border-radius: 4px;
            color: transparent;
        }

        /* Pulse animation for warning badges */
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }
        .badge-pending {
            animation: pulse 2.5s ease-in-out infinite;
        }
        .badge-pending:hover {
            animation: none;
        }

        .checkbox-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .custom-checkbox {
            width: 18px;
            height: 18px;
            cursor: pointer;
            accent-color: var(--primary);
        }

        /* Duplicate Comparison Styles */
        .comparison-grid {
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border);
            border-radius: 8px;
            overflow: hidden;
            background: var(--bg-surface);
        }

        .comp-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            border-bottom: 1px solid var(--border);
        }

        /* Headers are now just a specific type of row */
        .header-row {
            background: var(--bg-element);
            color: var(--text-sub);
            font-size: 0.8rem;
            text-transform: uppercase;
            font-weight: 700;
        }

        .comp-header {
            padding: 10px 15px;
            text-align: center;
        }

        .comp-header:first-child {
            border-right: 1px solid var(--border);
        }

        /* Labels spanning full width */
        .comp-label {
            grid-column: 1 / -1;
            background: rgba(99, 102, 241, 0.05);
            padding: 5px 15px;
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
            border-bottom: 1px solid var(--border);
        }

        .comp-cell {
            padding: 12px 15px;
            font-size: 0.9rem;
            color: var(--text-main);
            word-break: break-word;
        }

        .cell-new {
            border-right: 1px solid var(--border);
        }

        /* Remove bottom border from last actual row if needed, 
           but since we generate them dynamically, keeping it is usually fine or handled by last-child */
        #comp-content .comp-row:last-child {
            border-bottom: none;
        }

        .diff-highlight {
            background: rgba(239, 68, 68, 0.1);
            color: #ef4444;
        }

        /* ============================================
           PREMIUM LOGIN PAGE
        ============================================ */
        .login-overlay {
            position: fixed;
            inset: 0;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-body);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
        }

        .login-overlay.active {
            opacity: 1;
            pointer-events: all;
        }

        /* Animated orb background */
        .login-bg {
            position: absolute;
            inset: 0;
            overflow: hidden;
            pointer-events: none;
        }

        .login-orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            animation: orbFloat 8s ease-in-out infinite;
        }

        .orb-1 {
            width: 500px; height: 500px;
            background: radial-gradient(circle, rgba(99,102,241,0.25) 0%, transparent 70%);
            top: -150px; left: -100px;
            animation-delay: 0s;
        }

        .orb-2 {
            width: 400px; height: 400px;
            background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, transparent 70%);
            bottom: -100px; right: -100px;
            animation-delay: -3s;
        }

        .orb-3 {
            width: 300px; height: 300px;
            background: radial-gradient(circle, rgba(245,158,11,0.1) 0%, transparent 70%);
            top: 40%; left: 60%;
            animation-delay: -5s;
        }

        @keyframes orbFloat {
            0%, 100% { transform: translate(0, 0) scale(1); }
            33% { transform: translate(30px, -20px) scale(1.05); }
            66% { transform: translate(-20px, 15px) scale(0.97); }
        }

        /* Login card */
        .login-card {
            position: relative;
            width: 440px;
            max-width: calc(100vw - 40px);
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 32px 64px -12px rgba(0,0,0,0.5), 0 0 0 1px rgba(99,102,241,0.1);
            animation: cardSlideIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
        }

        @keyframes cardSlideIn {
            from { opacity: 0; transform: translateY(30px) scale(0.96); }
            to   { opacity: 1; transform: translateY(0) scale(1); }
        }

        .login-header {
            text-align: center;
            margin-bottom: 32px;
        }

        .login-logo {
            width: 72px; height: 72px;
            background: linear-gradient(135deg, var(--primary), #8b5cf6);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 24px rgba(99,102,241,0.35);
            font-size: 2rem;
            color: white;
            animation: logoPulse 3s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%, 100% { box-shadow: 0 8px 24px rgba(99,102,241,0.35); }
            50% { box-shadow: 0 8px 32px rgba(99,102,241,0.55); }
        }

        .login-title {
            margin: 0 0 6px;
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--text-main);
        }

        .login-subtitle {
            margin: 0;
            font-size: 0.85rem;
            color: var(--text-sub);
        }

        /* Form */
        .login-form {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .login-field {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .login-label {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-sub);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .login-label i {
            color: var(--primary);
            width: 12px;
        }

        .login-input {
            width: 100%;
            background: var(--bg-body);
            border: 1.5px solid var(--border);
            color: var(--text-main);
            padding: 13px 16px;
            border-radius: 10px;
            font-family: var(--font-main);
            font-size: 0.95rem;
            transition: border-color 0.2s, box-shadow 0.2s;
            box-sizing: border-box;
        }

        .login-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
            outline: none;
        }

        /* Password wrapper with toggle */
        .login-input-wrap {
            position: relative;
        }

        .login-input-wrap .login-input {
            padding-right: 48px;
        }

        .pw-toggle {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--text-sub);
            cursor: pointer;
            padding: 4px;
            font-size: 0.95rem;
            transition: color 0.2s;
        }

        .pw-toggle:hover { color: var(--primary); }

        /* Attempts warning */
        .login-attempts-warn {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.3);
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 0.82rem;
            color: var(--warning);
        }

        /* Submit button */
        .login-btn {
            width: 100%;
            height: 50px;
            background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-family: var(--font-main);
            transition: filter 0.2s, transform 0.15s, box-shadow 0.2s;
            box-shadow: 0 4px 16px rgba(99,102,241,0.3);
            margin-top: 4px;
        }

        .login-btn:hover:not(:disabled) {
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(99,102,241,0.4);
        }

        .login-btn:active:not(:disabled) {
            transform: translateY(0);
        }

        .login-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }

        /* Error box */
        .login-error {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.25);
            color: var(--danger);
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 0.88rem;
            margin-top: 12px;
        }

        @keyframes loginShake {
            0%, 100% { transform: translateX(0); }
            15% { transform: translateX(-8px); }
            30% { transform: translateX(8px); }
            45% { transform: translateX(-6px); }
            60% { transform: translateX(6px); }
            75% { transform: translateX(-3px); }
            90% { transform: translateX(3px); }
        }

        .login-error-shake {
            animation: loginShake 0.5s cubic-bezier(.36,.07,.19,.97) both;
        }

        /* Footer */
        .login-footer {
            text-align: center;
            margin-top: 24px;
            font-size: 0.78rem;
            color: var(--text-sub);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        /* ============================================
           MOBILE SIDEBAR
        ============================================ */
        .mobile-menu-btn {
            display: none;
            position: fixed;
            top: 15px;
            left: 15px;
            z-index: 50;
            width: 42px;
            height: 42px;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-main);
            font-size: 1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
            transition: all 0.2s;
        }

        .mobile-menu-btn:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        .sidebar-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.6);
            z-index: 19;
            backdrop-filter: blur(2px);
        }

        /* ============================================
           RESPONSIVE BREAKPOINTS
        ============================================ */
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }

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

            .sidebar {
                position: fixed;
                top: 0;
                left: 0;
                height: 100%;
                z-index: 20;
                transform: translateX(-100%);
                transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            }

            .sidebar.sidebar-open {
                transform: translateX(0);
                box-shadow: 4px 0 30px rgba(0,0,0,0.4);
            }

            .main {
                width: 100%;
            }

            .header {
                padding: 0 15px 0 65px;
            }

            .content {
                padding: 20px 15px;
            }

            /* Modal full-screen on mobile */
            .modal {
                width: 100vw;
                height: 100vh;
                max-width: 100vw;
                border-radius: 0;
            }

            .modal-body {
                flex-direction: column;
            }

            .modal-sidebar {
                width: 100%;
                flex-direction: row;
                padding: 10px;
                gap: 5px;
                border-right: none;
                border-bottom: 1px solid var(--border);
            }

            .tab-btn {
                flex: 1;
                justify-content: center;
                padding: 8px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 480px) {
            .login-card {
                padding: 28px 24px;
            }
        }