:root {
    --bg-color: #111;
    --ui-color: #00ff41;
    --ui-bg: rgba(0, 20, 0, 0.7);
}

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

body {
    background-color: var(--bg-color);
    color: var(--ui-color);
    font-family: 'VT323', monospace;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.game-container {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 1280px;
    aspect-ratio: 16/9;
    background: #000;
    box-shadow: 0 0 50px rgba(0, 255, 65, 0.1);
}

#gameCanvas {
    width: 100%;
    height: 100%;
    image-rendering: pixelated;
}

.ui-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hud-top {
    display: flex;
    gap: 20px;
}

.stat-box {
    background: var(--ui-bg);
    padding: 5px 10px;
    border: 1px solid var(--ui-color);
    font-size: 1.5rem;
    text-shadow: 0 0 5px var(--ui-color);
}

.controls-hint {
    align-self: center;
    background: var(--ui-bg);
    padding: 10px 20px;
    border: 1px solid var(--ui-color);
    font-size: 1.2rem;
    opacity: 0.8;
}

#minimap {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 200px;
    height: 200px;
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid var(--ui-color);
    opacity: 0.9;
}

/* CRT Scanline Effect */
.game-container::after {
    content: " ";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    z-index: 2;
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
}