.rt_chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid #ccc;
    border-radius: 4px;
    overflow: hidden;
}
.rt_chat-header {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    background-color: #f5f5f5;
    border-bottom: 1px solid #ccc;
}
.rt_chat-messages {
    overflow-y: scroll;
    padding: 10px;
    height: 100%;
}
.rt_chat-message {
    display: flex;
    align-items: flex-start;
    margin-bottom: 10px;
}
.rt_chat-message-avatar {
    margin-right: 10px;
}
.rt_chat-message-avatar img {
    display: block;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #f5f5f5;
}
.rt_chat-message-content {
    display: flex;
    flex-direction: column;
}
.rt_chat-message-meta {
    margin-bottom: 5px;
}
.rt_chat-message-author {
    font-weight: bold;
}
.rt_chat-message-timestamp {
    font-size: 12px;
    color: #999;
    margin-left: 10px;
}
.rt_chat-message-text {
    margin: 0;
    padding: 10px;
    border-radius: 4px;
    background-color: #f5f5f5;
}
.rt_chat-message-action a {
    font-size: 11px;
    color: #999 !important;
    margin-left: 10px;
}
.rt_chat-input {
    display: flex;
    align-items: center;
    padding: 10px;
    background-color: #f5f5f5;
}
.rt_chat-input input {
    flex: 1;
    margin-right: 10px;
    padding: 8px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
}
.rt_chat-input button {
    display: inline-block;
    background: #2a9df4;
    color: #fff;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}
.rt_chat-input button:disabled {
    background: #ccc !important;
}
.rt_chat-input button:hover {
    background: #187bcd;
}