body {
            background-color: #f8f9fa; /* Light background */
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .navbar {
            background-color: #007bff; /* Primary color */
        }
        .navbar-brand {
            color: #ffffff !important;
            font-weight: bold;
        }
        .container {
            flex: 1;
            padding-top: 30px;
            padding-bottom: 30px;
        }
        .card {
            border-radius: 0.75rem;
            box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
        }
        .btn-primary {
            background-color: #007bff;
            border-color: #007bff;
        }
        .btn-primary:hover {
            background-color: #0056b3;
            border-color: #0056b3;
        }
        textarea {
            min-height: 200px; /* Aumenta a altura da caixa de texto */
        }
        .results-section {
            display: none; /* Escondido inicialmente */
            animation: fadeIn 0.5s ease-in-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .spinner-border {
            display: none; /* Escondido inicialmente */
            margin: 20px auto;
            color: #007bff;
        }
        .alert-danger {
            display: none; /* Escondido inicialmente */
            margin-top: 15px;
        }
        footer {
            background-color: #343a40; /* Dark background for footer */
            color: #ffffff;
            padding: 20px 0;
            text-align: center;
            margin-top: auto; /* Push footer to bottom */
        }
        .history-item {
            cursor: pointer;
            transition: background-color 0.2s ease;
        }
        .history-item:hover {
            background-color: #e9ecef; /* Light gray on hover */
        }
        .truncate-text {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 100%; /* Garante que o truncamento funcione dentro da coluna */
        }