:root {
            --background-color: #202124;
            --secondary-text-color: #9aa0a6;
            --text-color: #e8eaed;
            --blue-button-bg: #8ab4f8;
            --blue-button-text: #202124;
            --blue-button-hover: #93bcf9;
        }

        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--background-color);
            color: var(--secondary-text-color);
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            height: 100vh;
            overflow: hidden;
            cursor: default;
            user-select: none;
            -webkit-user-select: none;
        }

        .interstitial-wrapper {
            margin-top: 12vh;
            max-width: 600px;
            padding: 0 24px;
            width: 100%;
            box-sizing: border-box;
        }

        .icon {
            width: 72px;
            height: 72px;
            fill: var(--secondary-text-color);
            margin-bottom: 25px;
            margin-left: -5px;
            transition: opacity 0.2s;
        }

        .icon.muted { opacity: 0.5; }

        h1 {
            font-size: 24px;
            font-weight: 500;
            color: var(--secondary-text-color);
            margin: 0 0 16px;
            line-height: 1.25;
            letter-spacing: 0.2px;
        }

        p {
            font-size: 15px;
            color: var(--secondary-text-color);
            margin: 0 0 24px;
            line-height: 1.5;
        }

        .error-code {
            font-size: 13px;
            color: var(--secondary-text-color);
            text-transform: uppercase;
            margin-top: 10px;
            margin-bottom: 40px;
        }

        .button {
            background-color: var(--blue-button-bg);
            color: var(--blue-button-text);
            border: none;
            border-radius: 20px;
            padding: 10px 24px;
            font-family: inherit;
            font-size: 14px;
            font-weight: 500;
            cursor: default;
            outline: none;
        }

        .button:hover { background-color: var(--blue-button-hover); }

        #diag-console {
            display: none;
            text-align: left;
            background-color: #111;
            color: #4af626; 
            padding: 15px;
            border-radius: 5px;
            font-family: 'Courier New', Courier, monospace;
            font-size: 13px;
            line-height: 1.4;
            margin-bottom: 30px;
            box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
            white-space: pre-wrap;
            word-wrap: break-word;
        }

        .diag-alert { color: #ff4444; font-weight: bold; }
        .diag-clean { color: #4af626; font-weight: bold; }

        #player { position: absolute; left: -9999px; visibility: hidden; }