* {
    box-sizing: border-box;
}

body {
    font-family: 'Courier New', monospace;
    background-color: #000;
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #fff;
}

.game-title {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #fff;
    letter-spacing: 2px;
}

.game-container {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    max-width: 600px;
}

.game-board {
    border: 2px solid #fff;
    background-color: #000;
}

.info-panel {
    background-color: #000;
    border: 2px solid #fff;
    padding: 15px;
    color: #fff;
    width: 180px;
    font-size: 14px;
}

.score-display {
    margin-bottom: 15px;
}

.score-display div {
    margin: 5px 0;
    font-weight: bold;
}

.next-piece {
    margin: 15px 0;
}

.next-piece h3 {
    margin: 0 0 10px 0;
    font-size: 14px;
    font-weight: bold;
}

.next-canvas {
    border: 1px solid #fff;
    background-color: #000;
    display: block;
    margin: 0 auto;
}

.controls {
    margin-top: 15px;
}

.controls h3 {
    margin: 0 0 10px 0;
    font-size: 14px;
    font-weight: bold;
}

.control-item {
    margin: 3px 0;
    font-size: 12px;
}

.pause-btn {
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    padding: 8px 16px;
    font-size: 12px;
    cursor: pointer;
    margin-bottom: 15px;
    width: 100%;
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

.pause-btn:hover {
    background-color: #fff;
    color: #000;
}

.game-over {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #000;
    border: 3px solid #fff;
    color: #fff;
    padding: 30px;
    text-align: center;
    display: none;
    z-index: 1000;
    font-family: 'Courier New', monospace;
}

.game-over h2 {
    color: #fff;
    margin: 0 0 20px 0;
    font-size: 24px;
}

.restart-btn {
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    padding: 12px 24px;
    font-size: 14px;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

.restart-btn:hover {
    background-color: #fff;
    color: #000;
}

@media (max-width: 768px) {
    .game-container {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .info-panel {
        width: 300px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    
    .score-display {
        flex: 1;
        margin-right: 10px;
    }
    
    .next-piece {
        flex: 1;
        margin: 0;
    }
    
    .controls {
        width: 100%;
        margin-top: 10px;
    }
}