// number number of cells per side in the source picture
$dim: 9;
$pixSize: 40px;
$gridSize: calc($dim * $pixSize);

body {
    margin: 0;
    padding: 20px;
    font-family: Arial, sans-serif;
    background-color: #2c3e50;
    color: white;
    display: flex;
    gap: 30px;
    min-height: 100vh;
}

.editor-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(var(--dim), 1fr);
    grid-template-rows: repeat(var(--dim), 1fr);
    gap: 1px;
    width: $gridSize;
    height: $gridSize;
    background-color: #34495e;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.pixel {
    background-color: #fff;
    cursor: pointer;
    border: 1px solid #7f8c8d;
    transition: transform 0.1s ease;
    position: relative;
    aspect-ratio: 1;
    display: grid;
}

.pixel:hover {
    transform: scale(1.1);
    z-index: 1;
    border-color: #3498db;
}

.controls-panel {
    background: #34495e;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    width: 300px;
}

.color-picker-section {
    margin-bottom: 20px;
}

.current-color {
    width: 60px;
    height: 60px;
    border: 3px solid white;
    border-radius: 8px;
    margin: 10px 0;
    cursor: pointer;
    background-color: #000000;
}

.color-palette {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin: 10px 0;
}

.color-swatch {
    width: 28px;
    height: 28px;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 4px;
    transition: transform 0.1s ease;
}

.color-swatch:hover {
    transform: scale(1.2);
    border-color: white;
}

.color-swatch.active {
    outline: 4px solid #fff;
    border: 1px solid #000;
    /* transform: scale(1.1); */
}

.tools {
    margin: 20px 0;
}

.tool-group {
    margin: 15px 0;
}

.tool-group h3 {
    margin: 0 0 10px 0;
    color: #ecf0f1;
    font-size: 14px;
}

button {
    background: #3498db;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    margin: 2px;
    font-size: 12px;
    transition: background 0.2s ease;
}

button:hover {
    background: #2980b9;
}

button.active {
    background: #e74c3c;
}

input[type="color"] {
    width: 40px;
    height: 30px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.export-section {
    margin-top: 5px;
    padding-top: 5px;
    border-top: 1px solid #7f8c8d;
}

.preview {
    width: 100%;
    aspect-ratio: 1 / 1;
    /* height: 90px; */
    background: white;
    border: 2px solid #bdc3c7;
    border-radius: 4px;
    margin: 10px 0;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

.grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.3;
}

.drawing-mode {
    font-weight: bold;
    /* color: #e74c3c; */
    background: #383;
}