.configurateur-tableau-pro {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.controle-groupe {
    margin-bottom: 30px;
}

.controle-groupe label {
    display: block;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

select, input[type="file"] {
    width: 100%;
    max-width: 400px;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s;
}

select:focus, input[type="file"]:focus {
    outline: none;
    border-color: #4CAF50;
}

.categories, .dimensions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btn-categorie, .btn-dimension {
    padding: 12px 24px;
    border: 2px solid #e0e0e0;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-categorie:hover, .btn-dimension:hover {
    background: #f5f5f5;
    transform: translateY(-2px);
}

.btn-categorie.active, .btn-dimension.active {
    background: #333;
    color: white;
    border-color: #333;
}

/* Aperçu */
.preview-container {
    position: relative;
    margin: 40px 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

#canvas-preview {
    width: 100%;
    display: block;
}

.dimension-label {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 15px;
    backdrop-filter: blur(10px);
}

#btn-export {
    display: block;
    margin: 20px auto 0;
    padding: 15px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

#btn-export:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

@media (max-width: 768px) {
    .dimensions {
        flex-direction: column;
    }
    
    .btn-dimension {
        width: 100%;
    }
}