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

body {
    background: #000;
    overflow: hidden;
    font-family: 'VT323', monospace;
    cursor: default;
    -webkit-user-select: none;
    user-select: none;
}

canvas {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
}

#ui-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 10;
}

.btn {
    pointer-events: all;
    cursor: pointer;
    font-family: 'VT323', monospace;
    border: none;
    outline: none;
    transition: all 0.1s;
}

.btn:hover {
    filter: brightness(1.3);
}

.btn:active {
    filter: brightness(0.8);
    transform: scale(0.97);
}

.footer-link {
    position: fixed;
    bottom: 4px;
    right: 8px;
    z-index: 100;
    pointer-events: all;
}

.footer-link a {
    color: #333;
    font-family: 'VT323', monospace;
    font-size: 12px;
    text-decoration: none;
}

.footer-link a:hover {
    color: #666;
}