html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #000;
}

#unity-container {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

#unity-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: #231F20;
    display: block;
}

#unity-loading-bar {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: none;
    text-align: center;
    color: #fff;
}

#unity-logo {
    font-family: Arial, sans-serif;
    font-size: 16px;
    letter-spacing: 8px;
    margin-bottom: 16px;
    opacity: 0.7;
}

#unity-progress-bar-empty {
    width: 320px;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.15);
    overflow: hidden;
}

#unity-progress-bar-full {
    width: 0%;
    height: 100%;
    border-radius: 3px;
    background: #4ecdc4;
    transition: width 0.2s;
}

#unity-footer {
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 10;
}

#unity-fullscreen-button {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    font-size: 20px;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
    user-select: none;
    opacity: 0.55;
}

#unity-fullscreen-button::before {
    content: "\26F6";
}

#unity-fullscreen-button:hover {
    opacity: 1;
}

#unity-warning {
    position: absolute;
    left: 50%;
    top: 5%;
    transform: translateX(-50%);
    background: white;
    padding: 10px 14px;
    border-radius: 6px;
    display: none;
    z-index: 20;
    font-family: Arial, sans-serif;
    font-size: 14px;
}