/* Style 1: Moderne avec animation */
        .checkbox-wrapper-modern {
            display: block;
            margin-bottom: 15px;
        }

        .checkbox-wrapper-modern input[type="checkbox"] {
            display: none;
        }

        .checkbox-wrapper-modern label {
            display: flex;
            align-items: center;
            cursor: pointer;
            font-size: 1.05em;
            color: #333;
            transition: all 0.3s ease;
            padding: 12px;
            border-radius: 8px;
        }

        .checkbox-wrapper-modern label:hover {
            background: rgba(102, 126, 234, 0.05);
        }

        .checkbox-wrapper-modern .checkmark {
            width: 24px;
            height: 24px;
            border: 2px solid #667eea;
            border-radius: 6px;
            margin-right: 12px;
            position: relative;
            transition: all 0.3s ease;
        }

        .checkbox-wrapper-modern input[type="checkbox"]:checked + label .checkmark {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-color: #667eea;
            animation: checkBounce 0.4s ease;
        }

        .checkbox-wrapper-modern .checkmark::after {
            content: '';
            position: absolute;
            display: none;
            left: 7px;
            top: 3px;
            width: 6px;
            height: 12px;
            border: solid white;
            border-width: 0 2px 2px 0;
            transform: rotate(45deg);
        }

        .checkbox-wrapper-modern input[type="checkbox"]:checked + label .checkmark::after {
            display: block;
        }

        @keyframes checkBounce {
            0% { transform: scale(1); }
            50% { transform: scale(1.2); }
            100% { transform: scale(1); }
        }