body {
            font-family: Arial, sans-serif;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100vh;
            margin: 0;
            background-color: #f5f5f5;
        }

        .login-container {
            background: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            width: 100%;
            max-width: 400px;
        }

        .logo {
            text-align: center;
            margin-bottom: 30px;
        }

        .logo img {
            width: 150px;
            height: auto;
        }

        h1 {
            color: #333;
            text-align: center;
            font-size: 24px;
            margin-top: 0;
        }

        .form-group {
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 600;
        }

        input[type="text"] {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 16px;
            box-sizing: border-box;
        }

        input[type="text"]:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 5px rgba(102, 126, 234, 0.3);
        }

        .recaptcha-wrapper {
            margin-bottom: 20px;
            display: flex;
            justify-content: center;
        }

        button {
            width: 100%;
            padding: 12px;
            background-color: #667eea;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

        button:hover {
            background-color: #5568d3;
        }

        button:active {
            background-color: #4a5cc0;
        }

        .error {
            color: #d32f2f;
            font-size: 14px;
            margin-top: 10px;
            text-align: center;
        }

        .info {
            color: #666;
            font-size: 13px;
            text-align: center;
            margin-top: 20px;
            line-height: 1.6;
        }