        :root {
            --primary-color: #4f46e5;
            --secondary-color: #f59e0b;
            --success-color: #10b981;
            --info-color: #06b6d4;
            --warning-color: #f59e0b;
            --danger-color: #ef4444;
            --dark-color: #1f2937;
            --light-color: #f8fafc;
        }

        /* Global Styles */
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            line-height: 1.6;
            color: #374151;
        }

        .bg-primary {
            background-color: var(--primary-color) !important;
        }

        .text-primary {
            color: var(--primary-color) !important;
        }

        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }

        .btn-primary:hover {
            background-color: #3730a3;
            border-color: #3730a3;
        }

        /* Card Hover Effects */
        .card-hover {
            transition: all 0.3s ease;
            border: 1px solid #e5e7eb;
        }

        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            border-color: var(--primary-color);
        }

        /* Custom Shadows */
        .shadow-custom {
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #6366f1 100%);
            color: white;
            padding: 100px 0;
        }

        /* Category Cards */
        .category-card {
            background: white;
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            height: 100%;
        }

        .category-card:hover {
            border-color: var(--primary-color);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(79, 70, 229, 0.1);
        }

        .category-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary-color), #6366f1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            color: white;
            font-size: 24px;
        }

        /* Ad Cards */
        .ad-card {
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
            border: 1px solid #e5e7eb;
            height: 100%;
        }

        .ad-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .ad-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .favorite-btn {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(255, 255, 255, 0.9);
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6b7280;
            transition: all 0.3s ease;
        }

        .favorite-btn:hover {
            background: white;
            color: #ef4444;
            transform: scale(1.1);
        }

        /* Price Badge */
        .price-badge {
            background: var(--primary-color);
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
        }

        /* Search Bar */
        .search-container {
            background: white;
            border-radius: 50px;
            padding: 8px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .search-input {
            border: none;
            outline: none;
            padding: 12px 20px;
        }

        .search-btn {
            border-radius: 50px;
            padding: 12px 30px;
        }

        /* Filters */
        .filter-card {
            background: white;
            border-radius: 12px;
            border: 1px solid #e5e7eb;
        }

        /* Progress Steps */
        .step-indicator {
            display: flex;
            justify-content: space-between;
            margin-bottom: 30px;
        }

        .step {
            display: flex;
            flex-direction: column;
            align-items: center;
            flex: 1;
            position: relative;
        }

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #e5e7eb;
            color: #6b7280;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            margin-bottom: 8px;
            position: relative;
            z-index: 2;
        }

        .step.active .step-number {
            background: var(--primary-color);
            color: white;
        }

        .step.completed .step-number {
            background: var(--success-color);
            color: white;
        }

        .step-line {
            position: absolute;
            top: 20px;
            left: 50%;
            right: -50%;
            height: 2px;
            background: #e5e7eb;
            z-index: 1;
        }

        .step.completed .step-line {
            background: var(--success-color);
        }

        .step:last-child .step-line {
            display: none;
        }

        /* Authentication Pages */
        .auth-container {
            min-height: 100vh;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .auth-card {
            background: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 400px;
        }

        /* Dashboard Sidebar */
        .dashboard-sidebar {
            background: #f8fafc;
            border-right: 1px solid #e5e7eb;
            min-height: calc(100vh - 76px);
        }

        .sidebar-link {
            display: flex;
            align-items: center;
            padding: 12px 20px;
            color: #6b7280;
            text-decoration: none;
            border-radius: 8px;
            margin: 4px 12px;
            transition: all 0.3s ease;
        }

        .sidebar-link:hover,
        .sidebar-link.active {
            background: var(--primary-color);
            color: white;
        }

        .sidebar-link i {
            margin-right: 12px;
            width: 20px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }
            
            .category-card {
                padding: 20px 15px;
            }
            
            .auth-card {
                padding: 30px 20px;
                margin: 20px;
            }
        }

        /* Image Gallery */
        .gallery-main {
            height: 400px;
            background-size: cover;
            background-position: center;
            border-radius: 12px;
            margin-bottom: 15px;
        }

        .gallery-thumb {
            height: 80px;
            background-size: cover;
            background-position: center;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .gallery-thumb:hover,
        .gallery-thumb.active {
            border-color: var(--primary-color);
            transform: scale(1.05);
        }

        /* Navbar Styling */
        .navbar {
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            background: white !important;
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color) !important;
        }

        /* Footer */
        .footer {
            background: #1f2937;
            color: #d1d5db;
            padding: 50px 0 20px;
        }

        .footer h5 {
            color: white;
            margin-bottom: 20px;
        }

        .footer a {
            color: #d1d5db;
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            margin-right: 10px;
            transition: all 0.3s ease;
        }

        .social-links a:hover {
            background: var(--primary-color);
            transform: translateY(-2px);
        }
