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

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

body {
    font-family: 'Press Start 2P', monospace;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    color: #ffffff;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.game-container {
    background: #000;
    border: 4px solid #00ffff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
    max-width: 900px;
    width: 100%;
}

.game-title {
    text-align: center;
    margin-bottom: 20px;
    padding: 15px;
    background: linear-gradient(135deg, #ff6b35, #ff4500, #ffff00);
    border: 3px solid #ffffff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(255, 255, 0, 0.5);
}

.game-title h1 {
    font-size: 24px;
    background: linear-gradient(45deg, #ff0000, #ffff00, #00ff00, #00ffff, #ff00ff);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbow-text 3s ease-in-out infinite;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 10px;
}

.game-title .subtitle {
    font-size: 10px;
    color: #000000;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

@keyframes rainbow-text {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.game-header {
    background: #001122;
    border: 2px solid #00ffff;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 20px;
}

.score-board {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.score-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.score-item .label {
    font-size: 10px;
    color: #ffff00;
}

.score-item .value {
    font-size: 14px;
    color: #00ff00;
    text-shadow: 0 0 10px #00ff00;
}

.game-area {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

#gameCanvas {
    border: 3px solid #ffffff;
    border-radius: 5px;
    background: #000033;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

.game-controls {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}

.instructions {
    flex: 1;
    background: #001122;
    border: 2px solid #00ffff;
    border-radius: 5px;
    padding: 15px;
}

.instructions h3 {
    color: #ffff00;
    margin-bottom: 10px;
    font-size: 12px;
}

.instructions p {
    font-size: 8px;
    line-height: 1.5;
    margin-bottom: 5px;
    color: #cccccc;
}

.instructions strong {
    color: #00ff00;
}

.mobile-controls {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.d-pad {
    display: grid;
    grid-template-rows: 1fr 1fr 1fr;
    gap: 5px;
    width: 150px;
}

.d-pad .middle-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 5px;
}

.control-btn {
    width: 45px;
    height: 45px;
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border: 2px solid #00ffff;
    border-radius: 8px;
    color: #ffffff;
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    cursor: pointer;
    transition: all 0.1s;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.control-btn:hover {
    background: linear-gradient(145deg, #3a3a3a, #2a2a2a);
    box-shadow: 0 6px 12px rgba(0, 255, 255, 0.3);
}

.control-btn:active {
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    transform: translateY(2px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.action-btn {
    background: linear-gradient(145deg, #ff6b35, #ff4500);
    border-color: #ffff00;
    font-size: 8px;
}

.action-btn:hover {
    background: linear-gradient(145deg, #ff8555, #ff6535);
}

.game-status {
    background: #001122;
    border: 2px solid #00ffff;
    border-radius: 5px;
    padding: 15px;
    text-align: center;
}

.status-message {
    font-size: 12px;
    color: #ffff00;
    text-shadow: 0 0 10px #ffff00;
    animation: pulse 2s infinite;
}

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

/* 모바일 반응형 */
@media (max-width: 768px) {
    .game-container {
        padding: 10px;
        margin: 10px;
    }
    
    #gameCanvas {
        width: 100%;
        max-width: 400px;
        height: auto;
    }
    
    .game-controls {
        flex-direction: column;
    }
    
    .score-board {
        gap: 10px;
    }
    
    .score-item .label {
        font-size: 8px;
    }
    
    .score-item .value {
        font-size: 12px;
    }
    
    .instructions {
        order: 2;
    }
    
    .mobile-controls {
        order: 1;
        margin-bottom: 10px;
    }
}

/* 게임 상태별 스타일 */
.game-over {
    animation: flash 0.5s infinite;
}

@keyframes flash {
    0%, 100% { background-color: #000033; }
    50% { background-color: #330000; }
}

.level-complete {
    animation: rainbow 2s infinite;
}

@keyframes rainbow {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

.audio-controls {
    margin-top: 10px;
    display: flex;
    justify-content: center;
}

#btn-mute {
    width: 60px;
    font-size: 16px;
    background: linear-gradient(145deg, #4a4a4a, #2a2a2a);
    border-color: #ffff00;
}

#btn-mute:hover {
    background: linear-gradient(145deg, #6a6a6a, #4a4a4a);
}

#btn-mute.muted {
    background: linear-gradient(145deg, #ff4444, #cc2222);
}