.modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(5px);
            animation: fadeIn 0.3s ease;
        }
 
        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }
 
        .modal.show {
            display: flex;
            align-items: center;
            justify-content: center;
        }
 
        .modal-content {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            border-radius: 16px;
            padding: 40px;
            width: 90%;
            max-width: 450px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.1);
            animation: slideUp 0.4s ease;
        }
 
        @keyframes slideUp {
            from {
                transform: translateY(50px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }
 
        .modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.1);
            border: none;
            color: white;
            font-size: 28px;
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
 
        .modal-close:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: rotate(90deg);
        }
 
        .modal-header {
            margin-bottom: 30px;
        }
 
        .modal-title {
            color: white;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }
 
        .modal-subtitle {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }
 
        .form-group {
            margin-bottom: 20px;
        }
 
        .form-label {
            display: block;
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
 
        .form-input,
        .form-select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            color: white;
            font-size: 14px;
            transition: all 0.3s ease;
        }
 
        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
 
        .form-input:focus,
        .form-select:focus {
            outline: none;
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(0, 217, 255, 0.5);
            box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
        }
 
        .form-select {
            cursor: pointer;
        }
 
        .form-select option {
            background: #1e3c72;
            color: white;
        }
 
        .radio-group {
            display: flex;
            gap: 20px;
            margin-top: 10px;
        }
 
        .radio-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
 
        .radio-item input[type="radio"] {
            cursor: pointer;
            width: 18px;
            height: 18px;
        }
 
        .radio-item label {
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            cursor: pointer;
        }
 
        .form-button {
            width: 100%;
            padding: 14px;
            margin-top: 10px;
            background: linear-gradient(135deg, #00d9ff 0%, #0099cc 100%);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
        }
 
        .form-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 217, 255, 0.5);
        }
 
        .form-button:active {
            transform: translateY(0);
        }
 
        .success-message {
            display: none;
            padding: 20px;
            background: rgba(52, 211, 153, 0.1);
            border: 1px solid rgba(52, 211, 153, 0.5);
            border-radius: 8px;
            color: #34d399;
            text-align: center;
            margin-top: 15px;
            font-weight: 600;
        }
 
        .error-message {
            display: none;
            padding: 12px;
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.5);
            border-radius: 8px;
            color: #ef4444;
            font-size: 13px;
            margin-bottom: 15px;
        }
 
        @media (max-width: 768px) {
            .modal-content {
                width: 95%;
                padding: 30px 20px;
            }
 
            .exp-grid {
                grid-template-columns: 1fr;
            }
 
            .modal-title {
                font-size: 20px;
            }
        }