@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
        
        body {
            font-family: 'Poppins', sans-serif;
            background-color: #f8fafc;
        }
        
        .color-box {
            width: 100%;
            height: 80px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .color-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        
        .simulation-box {
            width: 100%;
            height: 60px;
            border-radius: 6px;
            margin-bottom: 8px;
        }
        
        .wcag-badge {
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }
        
        .wcag-pass {
            background-color: #d1fae5;
            color: #065f46;
        }
        
        .wcag-fail {
            background-color: #fee2e2;
            color: #b91c1c;
        }
        
        .tab-button {
            padding: 10px 16px;
            border-radius: 8px 8px 0 0;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        
        .tab-button.active {
            background-color: #ffffff;
            border-bottom: 3px solid #3b82f6;
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
        }
        
        input[type="color"] {
            -webkit-appearance: none;
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 8px;
            cursor: pointer;
        }
        
        input[type="color"]::-webkit-color-swatch-wrapper {
            padding: 0;
        }
        
        input[type="color"]::-webkit-color-swatch {
            border: none;
            border-radius: 8px;
        }
        
        .tooltip {
            position: relative;
            display: inline-block;
        }
        
        .tooltip .tooltiptext {
            visibility: hidden;
            width: 200px;
            background-color: #333;
            color: #fff;
            text-align: center;
            border-radius: 6px;
            padding: 8px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        .tooltip:hover .tooltiptext {
            visibility: visible;
            opacity: 1;
        }
        
        .suggestion-box {
            border-left: 4px solid #3b82f6;
            padding-left: 12px;
        }
        
        /* Simulation des déficiences visuelles avec des matrices de transformation */
        .protanopia {
            filter: url('#protanopia');
        }
        
        .deuteranopia {
            filter: url('#deuteranopia');
        }
        
        .tritanopia {
            filter: url('#tritanopia');
        }
        
        .achromatopsia {
            filter: url('#achromatopsia');
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        .pulse {
            animation: pulse 2s infinite;
        }