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

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Courier New', monospace;
}

.game-container {
    display: flex;
    gap: 30px;
    background: rgba(0,0,0,0.8);
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

#tetrisCanvas {
    background: #000;
    border: 3px solid #fff;
    box-shadow: 0 0 20px rgba(255,255,255,0.3);
}

.info-panel {
    color: white;
    text-align: center;
    padding: 20px;
    background: rgba(0,0,0,0.6);
    border-radius: 15px;
    min-width: 200px;
}

.info-panel h2 {
    font-size: 32px;
    margin-bottom: 20px;
    text-shadow: 0 0 10px #00ff00;
}

.info-panel p {
    font-size: 18px;
    margin: 10px 0;
}

.info-panel span {
    color: #ffd700;
    font-weight: bold;
    font-size: 24px;
}

button {
    margin: 10px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s;
}

button:hover {
    transform: scale(1.05);
}

#startBtn {
    background: #4CAF50;
    color: white;
}

#pauseBtn {
    background: #ff9800;
    color: white;
}

.controls {
    margin-top: 20px;
    font-size: 12px;
    text-align: left;
    border-top: 1px solid #fff;
    padding-top: 10px;
}

.next-piece {
    margin-top: 20px;
    text-align: center;
}

#nextCanvas {
    background: #000;
    border: 2px solid #fff;
    margin-top: 10px;
}