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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
}

.game-container {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    background: rgba(0, 0, 0, 0.3);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

h1 {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 20px;
}

.game-board {
    background: #000;
    border: 3px solid #333;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

#tetris {
    display: block;
    background: #000;
}

.game-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 200px;
}

.score, .level, .lines {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.score h3, .level h3, .lines h3 {
    margin-bottom: 5px;
    font-size: 1.2em;
}

.score span, .level span, .lines span {
    font-size: 1.5em;
    font-weight: bold;
    color: #FFE138;
}

.controls {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.controls h3 {
    margin-bottom: 10px;
    text-align: center;
    color: #FFE138;
}

.controls p {
    margin: 5px 0;
    font-size: 0.9em;
    text-align: center;
}

@media (max-width: 768px) {
    .game-container {
        flex-direction: column;
        align-items: center;
        padding: 20px;
        gap: 20px;
    }
    
    h1 {
        position: static;
        transform: none;
        margin-bottom: 20px;
    }
    
    .game-info {
        width: 100%;
        max-width: 300px;
    }
}