#gzai-chat-handle {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: #005fa3;
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 12px 0 0 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transition: background 0.3s;
}
#gzai-chat-handle:hover { background: #0077cc; }
#gzai-chat-widget {
    position: fixed;
    bottom: 20px;
    right: -360px;
    width: 340px;
    max-height: 500px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    font-family: system-ui, sans-serif;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 9999;
    transition: right 0.4s ease-in-out;
}
#gzai-chat-widget.active { right: 20px; }
#gzai-chat-header { background: #005fa3; color: #fff; padding: 10px; text-align: center; font-weight: bold; }
#gzai-chat-body { flex: 1; padding: 10px; overflow-y: auto; background: #f9f9f9; }
#gzai-chat-input { display: flex; border-top: 1px solid #ddd; }
#gzai-user-input { flex: 1; border: none; padding: 10px; font-size: 14px; outline: none; }
#gzai-send-btn { background: #005fa3; color: white; border: none; padding: 10px 16px; cursor: pointer; transition: background 0.3s; }
#gzai-send-btn:hover { background: #0077cc; }
.gzai-msg-user { background: #0077cc; color: white; padding: 8px 12px; margin: 6px 0; border-radius: 12px; align-self: flex-end; }
.gzai-msg-ai { background: #e5e5e5; color: #000; padding: 8px 12px; margin: 6px 0; border-radius: 12px; align-self: flex-start; }