* { 
    box-sizing: border-box; 
    touch-action: none; 
}
body {
    background-color: #111;
    color: #fff;
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 10px;
    overflow: hidden;
}
h1 { 
    font-size: 18px; 
    margin: 0 0 2px 0; 
    text-transform: uppercase; 
    letter-spacing: 2px; 
    text-align: center; 
}
#tournament-hud {
    text-align: center;
    font-size: 13px;
    color: #ffff00;
    margin-bottom: 5px;
    text-transform: uppercase;
}
#hud { 
    display: flex; 
    gap: 20px; 
    font-size: 12px; 
    margin-bottom: 8px; 
}
#speedometer { 
    color: #00ff00; 
}
#surfaceDisplay { 
    font-weight: bold; 
}
#canvasContainer {
    max-width: 100%;
    max-height: 62vh;
    aspect-ratio: 2 / 3;
    position: relative;
}
canvas {
    display: block;
    width: 100%;
    height: 100%;
    border: 4px solid #fff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}
.instructions {
    margin-top: 8px;
    font-size: 10px;
    color: #aaa;
    text-align: center;
    max-width: 340px;
    line-height: 1.3;
}
.instructions b { 
    color: #39ff14; 
}