html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background: #ccc;
    font-family: sans-serif;
}

#unity-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#ipad {
    height: calc(100vh - 160px);
    padding: 36px;
    background: #1a1a1a;
    border-radius: 32px;
    border: 2px solid #c0c0c0;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(192, 192, 192, 0.8);
    position: relative;
}

#unity-canvas {
    background: #ccc;
    height: 100%;
    border-radius: 10px;
    aspect-ratio: 1918 / 1440;
    user-select: none;
}

#loading-bar-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    transition: opacity 0.3s ease;
}

#loading-label {
    color: #333;
    font-size: 15px;
    text-align: center;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

#loading-bar {
    width: 240px;
    height: 2px;
    background: rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

#loading-progress {
    height: 100%;
    background: #333;
    width: 0%;
    transition: width 0.3s ease;
}