/* Cores do chat */
:root {
    --chat-primary-bg: #2C2B3E; 
    --chat-header-bg: linear-gradient(90deg, #E65100, #5C4ADF); 
    --chat-toggle-bg: #E65100; 
    --chat-button-color: #5C4ADF; 
    --message-client-bg: #44435b; 
    --message-support-bg: #5C4ADF; 
}

/* 1. Container Principal Flutuante */
#chat-widget-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000; 
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

/* 2. Botão de Abrir/Fechar */
#chat-toggle-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: var(--chat-toggle-bg);
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.open-icon { display: block; }
.close-icon { display: none; }

#chat-widget-container.chat-open .open-icon { display: none; }
#chat-widget-container.chat-open .close-icon { display: block; }
#chat-widget-container.chat-open #chat-toggle-button {
    background: var(--chat-button-color);
}

/* 3. Janela do Chat */
#chat-window {
    width: 320px; 
    height: 400px; 
    background-color: var(--chat-primary-bg);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
    
    /* CHAVE 1: Começa oculto */
    display: none; 
    
    flex-direction: column;
    margin-bottom: 10px; 
    overflow: hidden;
}

/* CHAVE 2: Torna-se visível quando a classe 'chat-open' é adicionada pelo JS */
#chat-widget-container.chat-open #chat-window { 
    display: flex; 
}

/* 4. Header da Janela */
#chat-header {
    background: var(--chat-header-bg);
    color: white;
    padding: 10px 15px;
    font-size: 0.9em;
    font-weight: bold;
    text-align: center;
}

/* 5. Área das Mensagens */
#chat-messages {
    flex-grow: 1;
    padding: 15px;
    overflow-y: auto; 
    background-color: #333246; 
}

/* 6. Estilo das Mensagens */
.message-bubble {
    padding: 8px 12px;
    margin-bottom: 10px;
    border-radius: 15px;
    max-width: 80%;
    word-wrap: break-word;
    font-size: 0.9em;
    line-height: 1.4;
}

.message-cliente {
    background-color: var(--message-client-bg);
    color: white;
    margin-left: auto; 
    border-bottom-right-radius: 2px;
}

.message-suporte {
    background-color: var(--message-support-bg);
    color: white;
    margin-right: auto; 
    border-bottom-left-radius: 2px;
}

.message-timestamp {
    display: block;
    font-size: 0.7em;
    color: #b0b0b0;
    margin-top: 4px;
    text-align: right;
}

.message-suporte .message-timestamp { text-align: left; }

/* 7. Área de Input */
#chat-input-area {
    display: flex;
    border-top: 1px solid #4d4c6b;
    padding: 8px;
    background-color: var(--chat-primary-bg);
}

#chat-input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #5C4ADF;
    border-radius: 5px;
    margin-right: 8px;
    background-color: #44435b;
    color: white;
    font-size: 1em;
}

#chat-send-button {
    background-color: var(--chat-button-color);
    color: white;
    border: none;
    border-radius: 5px;
    padding: 10px 15px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s ease;
}

@media (min-width: 768px) {
    #chat-window {
        width: 380px; 
        height: 480px; 
    }
}