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

body {
    background: #1a1a2e;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    overflow: hidden;
}

#game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

#hud {
    display: flex;
    gap: 24px;
    background: rgba(0, 0, 0, 0.7);
    padding: 10px 24px;
    border-radius: 12px;
    border: 2px solid #4a6fa5;
    backdrop-filter: blur(4px);
}

.hud-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
}

.hud-icon {
    font-size: 22px;
}

#controls-info {
    color: #aaa;
    font-size: 14px;
    padding: 6px 16px;
    background: rgba(0,0,0,0.5);
    border-radius: 8px;
}

kbd {
    background: #333;
    border: 1px solid #555;
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 12px;
    color: #ddd;
    margin: 0 2px;
}

canvas {
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(74, 111, 165, 0.3);
}