body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            background-color: #f5f5f7;
            font-family: -apple-system, BlinkMacSystemFont, sans-serif;
        }
        .container {
            text-align: center;
            background-color: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .logo {
            width: 40px;
            margin-bottom: 20px;
        }
        input {
            width: 90%;
            padding: 10px;
            margin: 10px 0;
            border: 2px solid #d2d2d7;
            border-radius: 4px;
            font-size: 16px;
        }
        button {
            width: 100%;
            padding: 10px;
            background-color: #0071e3;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            cursor: pointer;
        }
        button:hover {
            background-color: #005bb5;
        }
        .error {
            color: #ff3b30;
            font-size: 14px;
            display: none;
        }