/* Modal Overlay */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            backdrop-filter: blur(5px);
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* Modal Content */
        .modal-container {
            width: 100%;
            max-width: 28rem;
            margin: 1rem;
            background-color: white;
            border-radius: 0.75rem;
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1),
                        0 10px 10px -5px rgba(0, 0, 0, 0.04);
            transform: translateY(20px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-overlay.active .modal-container {
            transform: translateY(0);
        }

        /* Modal Header */
        .modal-header {
            padding: 1.5rem;
            border-bottom: 1px solid #e5e7eb;
            position: relative;
        }

        .modal-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: #111827;
            margin: 0;
        }

        .close-modal {
            position: absolute;
            top: 1rem;
            right: 1rem;
            cursor: pointer;
            font-size: 1.5rem;
            color: #666;
            background: none;
            border: none;
            padding: 0;
        }

        /* Modal Body */
        .modal-body {
            padding: 1.5rem;
        }

        /* Responsive Adjustments */
        @media (max-width: 640px) {
            .modal-container {
                margin: 0.5rem;
                max-width: 95%;
            }
            
            .modal-body {
                padding: 1rem;
            }
        }

        /* Prevent scrolling when modal is open */
        body.modal-open {
            overflow: hidden;
        }

        /* Animation Classes */
        @keyframes modalFadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .modal-animate-in {
            animation: modalFadeIn 0.3s ease-out forwards;
        }

        /* Loading Spinner */
        .spinner {
            display: inline-block;
            width: 1rem;
            height: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s ease-in-out infinite;
        }

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