/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

canvas {
    touch-action: none;
    cursor: crosshair;
}

/* Drawing tool active states */
.tool-active {
    background-color: #3b82f6;
    color: white;
}

/* Color picker styling */
input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
    border-radius: 50%;
}

input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 50%;
}

/* Range input styling */
input[type="range"] {
    -webkit-appearance: none;
    height: 4px;
    background: #e5e7eb;
    border-radius: 2px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: #3b82f6;
    border-radius: 50%;
    cursor: pointer;
}

/* Responsive canvas sizes */
@media (max-width: 768px) {
    #drawing-canvas, 
    #preview-canvas {
        height: 400px;
    }
}

@media (max-width: 480px) {
    #drawing-canvas, 
    #preview-canvas {
        height: 300px;
    }
}