body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #f0f0f0;
    font-family: 'Arial', sans-serif;
}

#container {
    position: absolute;
    width: 100%;
    height: 100%;
}

#info {
    position: absolute;
    top: 10px;
    width: 100%;
    text-align: center;
    color: #333;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    z-index: 100;
}

.controls {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(255,255,255,0.95);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    z-index: 101;
}

.controls h3 {
    margin: 0 0 15px 0;
    color: #333;
    font-size: 16px;
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.controls button {
    margin: 2px;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    background: #2196F3;
    color: white;
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.3);
}

.controls button:hover {
    background: #1976D2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.4);
}

.controls button:active {
    transform: translateY(0);
}

.face-group {
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(245, 245, 245, 0.8);
    border-radius: 10px;
}

.face-group h4 {
    margin: 0 0 8px 0;
    color: #555;
    font-size: 14px;
}