/* Chat popup container */
#chatPopup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 320px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.35);
    overflow: hidden;
    font-family: Arial, sans-serif;
    display: none;
    flex-direction: column;
    z-index: 99999;
}

#chatHeader {
    background: #2196F3;
    color: white;
    padding: 12px;
    font-size: 16px;
    cursor: pointer;
}

#chatMessages {
    height: 260px;
    overflow-y: auto;
    padding: 10px;
    background: #fafafa;
}

.chat-message {
    padding: 6px 0;
    border-bottom: 1px solid #eee;
}

/* Input bar */
#chatInputBar {
    display: flex;
    border-top: 1px solid #ddd;
}

#chatInput {
    flex: 1;
    padding: 10px;
    border: none;
    outline: none;
}

#chatSend {
    padding: 0 18px;
    background: #2196F3;
    border: none;
    color: white;
    font-weight: bold;
    cursor: pointer;
}

/* Floating button */
#chatOpenBtn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #2196F3;
    color: white;
    font-size: 16px;
    padding: 14px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 99999;
}