#macd-chat-btn{position:fixed;right:18px;bottom:18px;z-index:999;background:#a48fe0;color:#131a33;border:none;border-radius:50px;padding:.8rem 1.2rem;font-family:'Inter',system-ui,sans-serif;font-weight:600;font-size:.95rem;cursor:pointer;box-shadow:0 4px 18px rgba(0,0,0,.45)}
#macd-chat{position:fixed;right:18px;bottom:78px;z-index:999;width:340px;max-width:calc(100vw - 36px);height:480px;max-height:calc(100vh - 110px);display:none;flex-direction:column;background:#1a2342;border:1px solid #2a3560;border-radius:12px;overflow:hidden;box-shadow:0 10px 40px rgba(0,0,0,.55);font-family:'Inter',system-ui,sans-serif}
#macd-chat.open{display:flex}
#macd-chat header{background:#131a33;padding:.7rem .9rem;border-bottom:1px solid #2a3560}
#macd-chat header .t{color:#eef1f7;font-weight:600;font-size:.9rem}
#macd-chat header .ai-notice{color:#9aa7c7;font-size:.72rem;margin-top:.15rem}
#macd-chat-log{flex:1;overflow-y:auto;padding:.8rem;display:flex;flex-direction:column;gap:.55rem}
#macd-chat-log .msg{max-width:85%;padding:.55rem .75rem;border-radius:10px;font-size:.85rem;line-height:1.35;white-space:pre-wrap}
#macd-chat-log .bot{background:#131a33;color:#eef1f7;border:1px solid #2a3560;align-self:flex-start}
#macd-chat-log .user{background:#a48fe0;color:#131a33;align-self:flex-end}
#macd-chat-opts{display:flex;flex-wrap:wrap;gap:.4rem;padding:.5rem .8rem;border-top:1px solid #2a3560;background:#1a2342}
#macd-chat-opts button{background:#131a33;color:#a48fe0;border:1px solid #8a72cf;border-radius:20px;padding:.35rem .7rem;font-size:.78rem;cursor:pointer}
#macd-chat-opts button:hover{background:#8a72cf;color:#fff}
#macd-chat-input{display:flex;border-top:1px solid #2a3560;background:#131a33}
#macd-chat-input input{flex:1;background:transparent;border:none;color:#eef1f7;padding:.7rem .8rem;font-size:.85rem;outline:none}
#macd-chat-input button{background:#a48fe0;color:#131a33;border:none;padding:0 1rem;font-weight:600;cursor:pointer}