:root {
    /* Cores extraídas do site principal */
    --primary-color: #2d3e30;    /* Verde escuro da barra lateral */
    --secondary-color: #e8ede9;  /* Cinza esverdeado para mensagens */
    --accent-color: #4c6b4f;     /* Verde médio para destaques */
    --background-light: #ffffff; /* Fundo limpo para leitura */
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --border-color: #d1d9d2;
    --font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

body {
    margin: 0;
    font-family: var(--font-family);
    background-color: var(--background-light);
    color: var(--text-dark);
}

.container {
    display: flex;
    height: 100vh;
    width: 100%;
}

/* --- Navbar --- */
.navbar {
    width: 280px;
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.header-logo {
    display: flex;
    gap: 5px;
    font-size: 1.2rem;
    padding: 0 10px;
}
.header-logo .ia { color: #8eb38e; } /* Um verde mais claro para o "IA" */
.navbar .divisor { border-top: 1px solid rgba(255, 255, 255, 0.2); }

.navbar button {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    padding: 12px;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background-color 0.2s ease;
}
.navbar button:hover { background-color: rgba(255, 255, 255, 0.2); }
.navbar button i { font-size: 1.2rem; }

.dropdown-content {
    display: none; /* Oculta o dropdown por padrão */
    background-color: #2d3748;
    border-radius: var(--border-radius);
    overflow: hidden;
}

/* Nova classe para exibir o dropdown via JS */
.dropdown-content.show {
    display: block;
}

.dropdown-content a {
    color: var(--text-light);
    padding: 10px 15px;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    transition: background-color 0.2s ease;
}
.dropdown-content a:hover { background-color: var(--primary-color); }

.infos {
    margin-top: auto;
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.5;
}

/* --- Chat Section --- */
.chat-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--background-light);
    position: relative;
    overflow: hidden;
}

.chat-box {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    scroll-behavior: smooth;
}

.message {
    display: flex;
    gap: 10px;
    max-width: 80%;
    animation: fadeIn 0.4s ease-out;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--text-light);
}

.bot-message .avatar { background-color: var(--primary-color); }
.user-message .avatar { background-color: var(--accent-color); }

.message-content {
    background-color: white;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}
.message-content p { margin: 0; }
.message-content a { color: var(--accent-color); }
.message-content strong { color: var(--primary-color); }

.user-message { align-self: flex-end; flex-direction: row-reverse; }
.user-message .message-content { 
    background-color: var(--accent-color); 
    color: var(--text-light); 
    border: none; 
}.user-message .message-content a { color: #90cdf4; }

/* --- Input Area --- */
.chat-input-area { padding: 15px 20px; background-color: var(--background-light); }
.chat-input-wrapper {
    display: flex;
    align-items: center;
    background-color: white;
    border-radius: 25px;
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    transition: box-shadow 0.2s ease;
}
.chat-input-wrapper:focus-within {
    box-shadow: 0 0 0 2px var(--accent-color);
    border-color: var(--accent-color);
}

#message-input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    padding: 10px;
    font-size: 1rem;
    color: var(--text-dark);
}
/* chatnormas.css ou palanqueia.css */
#send-button {
    background: var(--primary-color);
    color: white;
    border: none;           /* Remove a borda/caixa externa */
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;          /* Ativa flexbox para centralizar a seta */
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
    padding: 0;             /* Remove paddings que deslocam a seta */
    outline: none;
}

#send-button svg {
    width: 20px;            /* Ajusta o tamanho da seta */
    height: 20px;
    display: block;
}

#send-button:hover { 
    background-color: var(--accent-color); 
}

/* --- Typing Indicator --- */
.typing-indicator-container {
    padding: 0 20px;
    height: 40px;
}
.typing-indicator {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    background-color: var(--secondary-color);
    border-radius: 12px;
}
.dot {
    width: 8px; height: 8px; margin: 0 2px;
    background-color: #a0aec0;
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}
.dot:nth-child(1) { animation-delay: -0.32s; }
.dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce { 0%, 80%, 100% { transform: scale(0); } 40% { transform: scale(1.0); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Estilo para o pensamento do modelo */
pensamento {
    display: block;
    font-style: italic;
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 10px;
    border-left: 2px solid var(--accent-color);
    padding-left: 10px;
    line-height: 1.2;
}