body {
            font-family: system-ui, -apple-system, sans-serif;
            margin: 2em auto;
            max-width: 1000px;
            padding: 0 1em;
            line-height: 1.5;
        }
        .container {
            display: flex;
            flex-direction: column;
            gap: 1em;
        }
        textarea {
            width: 100%;
            height: 400px;
            margin-top: 1em;
            padding: 0.5em;
            font-family: monospace;
            border: 1px solid #ccc;
            border-radius: 4px;
            resize: vertical;
        }
        input[type="text"] {
            padding: 0.5em;
            width: 100%;
            border: 1px solid #ccc;
            border-radius: 4px;
        }
        button {
            padding: 0.5em 1em;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
        }
        button:hover {
            background-color: #45a049;
        }
        button:disabled {
            background-color: #cccccc;
            cursor: not-allowed;
        }
        .options {
            display: flex;
            flex-wrap: wrap;
            gap: 1em;
            margin: 1em 0;
        }
        .option-group {
            margin-right: 2em;
        }
        label {
            display: flex;
            align-items: center;
            gap: 0.5em;
            margin: 0.5em 0;
        }
        .spinner {
            display: none;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(0, 0, 0, 0.1);
            border-radius: 50%;
            border-top-color: #4CAF50;
            animation: spin 1s ease-in-out infinite;
            margin-left: 10px;
            vertical-align: middle;
        }
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        .status {
            margin-top: 1em;
            color: #666;
            font-size: 0.9em;
        }
        .error {
            color: #d32f2f;
        }
        .success {
            color: #388e3c;
        }
      
      .panel-footer {
    background-color: #f8f9fa; /* Light gray background */
    border-top: 1px solid #dee2e6;
    padding: 15px 20px;
    font-size: 14px;
    color: #6c757d;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
}

.panel-footer a {
    color: #007bff;
    text-decoration: none;
    margin-left: 10px;
    transition: color 0.3s;
}

.panel-footer a:hover {
    color: #0056b3;
    text-decoration: underline;
}

.panel-footer .pull-right {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}