body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }
        
        /* Modal Styles */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.75);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            padding: 20px;
            overflow-y: auto;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        
        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        .modal-content {
            background: white;
            border-radius: 16px;
            max-width: 900px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            transform: scale(0.9);
            transition: transform 0.3s ease;
        }
        
        .modal-overlay.active .modal-content {
            transform: scale(1);
        }
        
        .modal-header {
            position: sticky;
            top: 0;
            background: white;
            z-index: 10;
            border-bottom: 1px solid #e5e7eb;
            border-radius: 16px 16px 0 0;
        }
        
        /* Success Animation */
        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .success-message {
            animation: slideIn 0.5s ease-out;
        }
        
        .fade-in {
            animation: fadeIn 0.3s ease-in;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }