:root {
            --primary-green: #28a745;
            --primary-green-dark: #1e7e34;
            --primary-green-light: #d4edda;
            --accent-orange: #fd7e14;
            --accent-blue: #007bff;
            --text-dark: #2d3436;
            --text-muted: #6c757d;
            --border-light: #e9ecef;
            --bg-light: #f8f9fa;
        }


        .modal-content {
            border: none;
            border-radius: 24px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
            overflow: hidden;
        }

        .modal-header {
            background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
            color: white;
            border: none;
            padding: 2rem;
            text-align: center;
            position: relative;
        }

        .modal-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 20"><defs><pattern id="grain" width="100" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/><circle cx="90" cy="5" r="0.5" fill="white" opacity="0.1"/><circle cx="50" cy="15" r="0.8" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="20" fill="url(%23grain)"/></svg>');
            pointer-events: none;
        }

        .modal-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        .btn-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            z-index: 2;
            transition: all 0.3s ease;
        }

        .btn-close:hover {
            background: rgba(255,255,255,0.3);
            transform: scale(1.1);
        }

        .modal-body {
            padding: 2rem;
            background: white;
        }

        .student-info {
            background: linear-gradient(135deg, var(--primary-green-light) 0%, #f8f9fa 100%);
            border-radius: 16px;
            padding: 2rem;
            margin-bottom: 2rem;
            border-left: 4px solid var(--primary-green);
        }

        .student-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }

        .inscription-id {
            font-family: 'Monaco', 'Menlo', monospace;
            background: white;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            display: inline-block;
            font-weight: 600;
            color: var(--primary-green-dark);
            border: 2px solid var(--primary-green);
        }

        .section-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .section-title i {
            color: var(--primary-green);
            font-size: 1.2rem;
        }

        .payment-option {
            transition: all 0.3s ease;
            border: 2px solid var(--border-light);
            border-radius: 16px;
            padding: 1.5rem;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            background: white;
        }

        .payment-option::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(40, 167, 69, 0.1), transparent);
            transition: left 0.6s ease;
        }

        .payment-option:hover::before {
            left: 100%;
        }

        .payment-option:hover {
            border-color: var(--primary-green);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(40, 167, 69, 0.15);
        }

        .payment-option.selected {
            border-color: var(--primary-green);
            background: linear-gradient(135deg, var(--primary-green-light) 0%, white 100%);
            transform: scale(1.02);
            box-shadow: 0 10px 30px rgba(40, 167, 69, 0.2);
        }

        .payment-option input[type="radio"] {
            position: absolute;
            opacity: 0;
            pointer-events: none;
        }

        .payment-option .check-indicator {
            position: absolute;
            top: 1rem;
            right: 1rem;
            width: 24px;
            height: 24px;
            border: 2px solid var(--border-light);
            border-radius: 50%;
            background: white;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .payment-option.selected .check-indicator {
            background: var(--primary-green);
            border-color: var(--primary-green);
            transform: scale(1.1);
        }

        .payment-option.selected .check-indicator::after {
            content: '✓';
            color: white;
            font-weight: bold;
            font-size: 14px;
        }

        .option-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.5rem;
            transition: all 0.3s ease;
        }

        /* .frequency-option{
            cursor:grab;
        } */

        .frequency-option .option-icon {
            background: linear-gradient(135deg, var(--accent-blue), #0056b3);
            color: white;
        }

        .method-option .option-icon {
            background: linear-gradient(135deg, var(--accent-orange), #dc3545);
            color: white;
        }

        .payment-option.selected .option-icon {
            transform: scale(1.1) rotate(5deg);
        }

        .option-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }

        .option-description {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.4;
        }

        .validation-summary {
            background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
            border-radius: 16px;
            padding: 2rem;
            margin-top: 2rem;
            border: 2px solid var(--primary-green);
        }

        .summary-icon {
            width: 60px;
            height: 60px;
            background: var(--primary-green);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            margin: 0 auto 1rem;
        }

        .modal-footer {
            background: var(--bg-light);
            border: none;
            padding: 2rem;
        }

        .btn-success {
            background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
            border: none;
            border-radius: 12px;
            padding: 0.75rem 2rem;
            font-weight: 600;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-success::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s ease;
        }

        .btn-success:hover::before {
            left: 100%;
        }

        .btn-success:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
        }

        .btn-secondary {
            border-radius: 12px;
            padding: 0.75rem 2rem;
            font-weight: 600;
            border: 2px solid var(--border-light);
            background: white;
            color: var(--text-muted);
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            border-color: var(--text-muted);
            color: var(--text-dark);
            transform: translateY(-1px);
        }

        .loading-container {
            text-align: center;
            padding: 3rem 2rem;
        }

        .spinner {
            width: 60px;
            height: 60px;
            border: 4px solid var(--border-light);
            border-top: 4px solid var(--primary-green);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 2rem;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .loading-dots {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }

        .loading-dot {
            width: 8px;
            height: 8px;
            background: var(--primary-green);
            border-radius: 50%;
            animation: bounce 1.4s ease-in-out infinite both;
        }

        .loading-dot:nth-child(1) { animation-delay: -0.32s; }
        .loading-dot:nth-child(2) { animation-delay: -0.16s; }

        @keyframes bounce {
            0%, 80%, 100% { transform: scale(0); }
            40% { transform: scale(1); }
        }

        @media (max-width: 768px) {
            .modal-body {
                padding: 1.5rem;
            }
            
            .student-info, .validation-summary {
                padding: 1.5rem;
            }
            
            .payment-option {
                padding: 1rem;
            }
        }