@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Noto+Sans+KR:wght@400;700&display=swap');

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Noto Sans KR', sans-serif;
    background: radial-gradient(ellipse at center, #0a0a2e 0%, #000 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.game-header {
    width: 100%;
    max-width: 520px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
}

.game-header h1 {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.85rem;
    color: #fbbf24;
    margin: 0;
    letter-spacing: 1px;
}

.back-link {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: #f472b6;
}

.game-wrap {
    position: relative;
    border: 3px solid #334155;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(251, 191, 36, 0.15), inset 0 0 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

#galaga-canvas {
    display: block;
    background: #000;
    image-rendering: pixelated;
}

.hud {
    width: 100%;
    max-width: 520px;
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0.25rem;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    color: #e2e8f0;
}

.controls-info {
    max-width: 520px;
    text-align: center;
    padding: 1rem;
    font-size: 0.8rem;
    color: #64748b;
    line-height: 1.8;
}

.controls-info kbd {
    background: #1e293b;
    border: 1px solid #475569;
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.75rem;
    color: #cbd5e1;
}