* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background: #f8f9fa;
    min-height: 100vh;
}

.configurator-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
    background: white;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.viewer-section {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 600px;
}

#viewer-container {
    width: 100%;
    height: 100%;
    outline: none;
}

.controls-section {
    padding: 40px;
    background: white;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

h2 {
    font-size: 28px;
    color: #1a1a1a;
    font-weight: 600;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.control-group label {
    font-size: 14px;
    font-weight: 600;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.color-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.color-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.color-btn.active {
    border-color: #1a1a1a;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.color-btn:hover {
    transform: scale(1.05);
}

.cta-button {
    margin-top: auto;
    padding: 18px;
    background: #1a1a1a;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    background: #333;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* Mobile Responsive */
@media (max-width: 900px) {
    .configurator-container {
        grid-template-columns: 1fr;
    }
    
    .viewer-section {
        min-height: 400px;
    }
    
    .controls-section {
        padding: 30px;
    }
}