body {
    background: #040405;
    color: #ececec;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 28px 24px;
    display: grid;
    grid-template-columns: repeat(3, auto);
    grid-template-areas:
        "canvas canvas canvas"
        "slider color toggle"
        "palette palette palette";
    justify-content: center;
    align-items: center;
    gap: 18px 24px;
}
canvas {
    grid-area: canvas;
    border: 1px solid #5b5b5b;
    border-radius: 8px;
    background: #111;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.28);
}
#pixelSizeSlider {
    grid-area: slider;
    width: 240px;
    accent-color: #6f63ff;
    cursor: pointer;
}
#colorPicker {
    grid-area: color;
    width: 60px;
    height: 40px;
    border: none;
    border-radius: 5px;
    background: none;
    cursor: pointer;
}
label {
    grid-area: toggle;
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
}
input[type="checkbox"] {
    accent-color: #6f63ff;
    cursor: pointer;
}
#palette {
    grid-area: palette;

    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;

    width: 800px;
}
#palette div {
    border-radius: 7px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.26);
    transition: transform 0.12s ease;
}