body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #1a1a1a;
    color: white;
    font-family: Arial, sans-serif;
}

#grid {
    display: grid;
    grid-template-columns: repeat(32, 16px);
    grid-template-rows: repeat(32, 16px);
    border: 2px solid white;
}

.pixel {
    width: 16px;
    height: 16px;
    background: transparent;
    border: 1px solid #333;
}

.pixel:hover {
    outline: 1px solid white;
}

.controls {
    margin-top: 15px;
}

button {
    padding: 8px 12px;
    cursor: pointer;
}

#grid,
.pixel {
    user-select: none;
    -webkit-user-select: none;
    -webkit-user-drag: none;
}