.base-color-section {
    background: #F9FAFB;
    padding: 1.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
}

.base-color-section label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    margin-bottom: 1rem;
}

.base-color-picker {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.base-color-picker span {
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    font-weight: 700;
}

.mode-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.mode-btn {
    padding: 1rem;
    border: 2px solid #E5E7EB;
    background: white;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.mode-btn .material-icons {
    font-size: 20px;
}

.mode-btn.active {
    border-color: var(--primary-purple);
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-purple));
    color: white;
}

.palette-display {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.color-box {
    aspect-ratio: 1;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.color-box:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.color-code {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.color-box:hover .color-code {
    opacity: 1;
}

.controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.controls .btn {
    flex: 1;
    min-width: 200px;
}

@media (max-width: 768px) {
    .palette-display {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }

    .mode-selector {
        grid-template-columns: 1fr;
    }

    .controls {
        flex-direction: column;
    }

    .controls .btn {
        min-width: 100%;
    }
}