body {
            background-color: #121212;
            color: #e0e0e0;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            min-height: 100vh;
            overflow: hidden;
        }

        header {
            text-align: center;
            padding: 40px 20px;
            width: 100%;
            background-color: #1e1e1e;
        }

        .logo {
            width: 200px;
            height: 200px;
            background-color: #333;
            border-radius: 50%;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #666;
            border: 3px dashed #555;
        }

        h1 {
            margin: 0;
            font-size: 2.5em;
        }

        main {
            text-align: center;
            padding: 40px 20px;
            flex-grow: 1;
        }

        .status {
            font-size: 1.8em;
            margin: 30px 0;
            padding: 20px;
            border-radius: 12px;
            display: inline-block;
            min-width: 300px;
        }

        .online {
            background-color: #1b5e20;
            color: #c8e6c9;
        }

        .offline {
            background-color: #b71c1c;
            color: #ffcdd2;
        }

        .download-btn {
            display: inline-block;
            margin-top: 40px;
            padding: 15px 40px;
            background-color: #2962ff;
            color: white;
            text-decoration: none;
            font-size: 1.4em;
            border-radius: 8px;
            transition: background-color 0.3s;
        }

        .download-btn:hover {
            background-color: #0039cb;
        }

        footer {
            padding: 20px;
            font-size: 0.9em;
            color: #666;
            width: 100%;
            text-align: center;
            background-color: #1e1e1e;
        }