.liver-chat-container-X { /* X seria o ID da turma */
    max-width: 600px;
    margin: 20px auto;
    font-family: Arial, sans-serif;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    background-color: #fdfdfd;
}

.liver-chat-messages-area {
    background-color: #f9f9f9;
    border-radius: 5px;
    padding: 15px;
    display: flex;
    flex-direction: column;
}

.liver-chat-message { /* Renomeado de .chat-message */
    margin-bottom: 10px;
    display: flex;
}

.liver-chat-message .message-bubble { /* Adicionado .liver-chat-message */
    max-width: 70%;
    padding: 8px 12px;
    border-radius: 15px;
    word-wrap: break-word;
}

.liver-chat-message.sent .message-bubble {
    background-color: #dcf8c6;
    margin-left: auto;
    border-bottom-right-radius: 5px;
}

.liver-chat-message.received .message-bubble {
    background-color: #fff;
    border: 1px solid #eee;
    margin-right: auto;
    border-bottom-left-radius: 5px;
}

.liver-chat-message .message-sender { /* Adicionado .liver-chat-message */
    font-weight: bold;
    display: block;
    margin-bottom: 3px;
    font-size: 0.9em;
    color: #555;
}
.liver-chat-message.sent .message-sender {
    color: #075e54;
}

.liver-chat-message .message-time { /* Adicionado .liver-chat-message */
    font-size: 0.75em;
    color: #aaa;
    display: block;
    text-align: right;
    margin-top: 4px;
}

.liver-chat-input-area {
    display: flex;
    margin-top: 10px;
}

#liver-chat-message-input { /* ID específico */
    flex-grow: 1;
    border: 1px solid #ccc;
    border-radius: 20px;
    margin-right: 10px;
}

#liver-chat-send-button { /* ID específico */
    background-color: #075e54;
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: background-color 0.2s;
}

#liver-chat-send-button:hover {
    background-color: #128c7e;
}