:root {
    --bg-color: #0b1d28;
    --text-color: #f4f4f4;
    --primary-color: #ffcc00;
    --player-color: #3b82f6;
    --cpu-color: #ef4444;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Press Start 2P', cursive; /* 8-bit font */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #112233;
    border: 4px solid #fff;
    padding: 20px;
    box-shadow: 10px 10px 0px #000;
}

header h1 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 0px #000;
    text-transform: uppercase;
}

.hud {
    display: flex;
    justify-content: space-between;
    width: 800px;
    margin-bottom: 10px;
    font-size: 12px;
}

.player-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: #223344;
    padding: 10px;
    border: 2px solid #fff;
    width: 200px;
}

#player-hud {
    color: var(--player-color);
    border-color: var(--player-color);
}

#cpu-hud {
    color: var(--cpu-color);
    border-color: var(--cpu-color);
    text-align: right;
}

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

#turn-indicator {
    font-size: 14px;
    color: var(--primary-color);
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.controls-info {
    display: flex;
    gap: 20px;
    color: #00ffcc;
}

canvas {
    background-color: #87CEEB; /* Sky blue */
    border: 4px solid #fff;
    image-rendering: pixelated; /* Ensures the canvas looks blocky when scaled if needed */
}

.instructions {
    margin-top: 15px;
    font-size: 10px;
    color: #aaa;
    text-align: center;
    line-height: 1.5;
}