* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: monospace;
    background: #fff;
    color: #000;
    line-height: 1.4;
    padding: 20px;
    min-width: 320px;
}

.upload-wrapper {
    margin-bottom: 20px;
}

input[type="file"] {
    display: none;
}

.upload-btn {
    display: inline-block;
    padding: 8px 16px;
    text-decoration: underline;
    font-size: 12px;
    cursor: pointer;
}

.upload-btn:hover {
    background: #000;
    color: #fff;
}

canvas {
    display: block;
    margin: 10px 0;
    max-width: 100%;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.main-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.main-item {
    flex: 1;
    min-width: 150px;
    max-width: 200px;
}

.main-item canvas {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid #000;
}

.main-item-label {
    font-size: 11px;
    text-align: center;
    padding: 4px 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.cell {
    display: flex;
    flex-direction: row;
    align-items: stretch;
}

.cell-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.cell canvas {
    width: 100%;
    height: auto;
    display: block;
}

.algo-label {
    font-size: 12px;
    padding: 4px 0;
}

.palette-label {
    font-size: 12px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
}