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

body {
    background: #1a1a1a;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

#gameContainer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

#gameCanvas {
    border: 2px solid #333;
    background: #2a2a2a;
    image-rendering: crisp-edges;
    cursor: crosshair;
}

#info {
    color: #fff;
    font-size: 14px;
    text-align: center;
}

#controls {
    color: #999;
    font-size: 12px;
    text-align: center;
}

.unselectable-item {
    -webkit-user-select: none; /* Safari */
    -moz-user-select: none;    /* Firefox */
    -ms-user-select: none;     /* Internet Explorer/Edge */
    user-select: none;         /* Standard syntax */
}