/* Container layout */
#container {
    display: flex;
    align-items: flex-start;
    gap: 20px; /* space between controls and canvas */
    padding: 10px;
}

/* Controls column */
#controls {
    display: flex;
    flex-direction: column; /* stack vertically */
    gap: 15px; /* space between each control */
    min-width: 150px;
}

/* Make labels easier to read */
#controls label {
    font-weight: bold;
}

/* Color preview box */
#colorPreview {
    width: 40px;
    height: 40px;
    border: 1px solid black;
    margin-top: 5px;
}

/* Canvas styling */
#canvas {
    border: 1px solid black;
    background-color: white;
    flex-grow: 1; /* canvas fills remaining space */
}