.tile-configurator {
    display: grid;
    gap: 30px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

#tile-canvas {
    width: 100%;
    height: auto;
    background: #f0f0f0;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

#tile-palettes {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tile-layer {
    background: #fff;
    border: 1px solid #eee;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.tile-layer-title {
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: #333;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tile-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tile-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #fff;
    cursor: pointer;
    box-shadow: 0 0 0 1px #ddd;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    outline: none;
}

.tile-swatch:hover {
    transform: scale(1.1);
    box-shadow: 0 0 0 1px #bbb, 0 4px 6px rgba(0,0,0,0.1);
    z-index: 1;
}

.tile-swatch.active {
    transform: scale(1.15);
    border-color: #fff;
    box-shadow: 0 0 0 2px #333, 0 4px 8px rgba(0,0,0,0.15);
    z-index: 2;
}

@media (min-width: 992px) {
    .tile-configurator {
        grid-template-columns: 1.5fr 1fr;
        align-items: start;
    }
    
    #tile-canvas {
        position: sticky;
        top: 20px;
    }
}