* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

body {
    display: flex;
    height: 100vh;
    background-color: var(--bs-body-bg);
    overflow: hidden;
}

/* --- SIDEBAR --- */
#sidebar {
    width: 300px;
    height: 100%;
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    padding: 20px;
    position: fixed;
    left: -300px; /* Começa fechado */
    transition: 0.3s;
    z-index: 1000;
}

#sidebar.active {
    left: 0;
}

.sidebar-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 50px;
}

/* --- BOTÃO TOGGLE (DINÂMICO) --- */
#toggle-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1100;
    background: #3498db;
    color: var(--bs-body-color);
    border: none;
    border-radius: 5px;
    width: 40px;
    height: 40px;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Quando o sidebar está ativo, movemos o botão junto com ele ou mudamos o estilo */
#sidebar.active ~ #toggle-btn {
    left: 240px; /* Posiciona o X dentro ou na borda do sidebar */
    background: #e74c3c; /* Muda para vermelho quando for fechar */
}

/* --- CONTEÚDO PRINCIPAL --- */
main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    transition: margin-left 0.3s;
    width: 100%;
}

/* Área de Resposta */
#response-area {
    width: 80%;
    max-width: 800px;
    height: 60vh;
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #ccc;
    resize: none;
    font-size: 16px;
}

/* Área de Input de Pergunta */
.input-container {
    width: 100%;
    max-width: 800px;
    display: flex;
    gap: 10px;
}

input[type="text"] {
    flex-grow: 1;
    padding: 12px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    padding: 10px 20px;
    cursor: pointer;
    background: #3498db;
    color: var(--bs-body-color);
    border: none;
    border-radius: 5px;
    transition: 0.2s;
}

button:hover {
    background: #2980b9;
}

/* Botão para abrir o Sidebar */
#toggle-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1100;
}