:root {
    --bg-dark: #0a0a0f;
    --bg-purple: #1a0f2e;
    --neon-cyan: #00ffff;
    --neon-magenta: #ff00ff;
    --neon-purple: #9d00ff;
    --neon-pink: #ff10f0;
    --neon-blue: #0080ff;
    --neon-green: #00ff41;
    --neon-orange: #ff6b00;
    --neon-yellow: #ffff00;
    --neon-red: #ff0033;
    --text-white: #ffffff;

    --font-pixel: 'Courier New', Courier, monospace;
    /* Placeholder until font is loaded */
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: var(--font-pixel);
    overflow: hidden;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.game-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 100%;
    max-height: 800px;
    border: 2px solid var(--neon-cyan);
    box-shadow: 0 0 15px var(--neon-cyan);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

canvas {
    width: 100%;
    height: auto;
    image-rendering: pixelated;
    flex-grow: 1;
}

.hud {
    padding: 10px;
    border-bottom: 1px solid var(--neon-magenta);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.hud-item {
    color: var(--neon-cyan);
    text-transform: uppercase;
}

.hud-value {
    color: var(--neon-yellow);
    font-weight: bold;
}

.controls-mobile {
    padding: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
    border-top: 1px solid var(--neon-magenta);
}

.btn-ctrl {
    width: 60px;
    height: 60px;
    border: 2px solid var(--neon-cyan);
    background: transparent;
    color: var(--neon-cyan);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-cyan);
    cursor: pointer;
}

.btn-ctrl:active {
    background: var(--neon-cyan);
    color: var(--bg-dark);
}

.glitch {
    position: relative;
    animation: glitch 1s linear infinite;
}

@keyframes glitch {

    2%,
    64% {
        transform: translate(2px, 0) skew(0deg);
    }

    4%,
    60% {
        transform: translate(-2px, 0) skew(0deg);
    }

    62% {
        transform: translate(0, 0) skew(5deg);
    }
}