#mt-chat-bubble{position:fixed;right:20px;bottom:20px;width:64px;height:64px;border-radius:50%;background:#f97316;border:2px solid #f97316;padding:0;overflow:hidden;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.4);z-index:9998;transition:transform .2s}
#mt-chat-bubble img{width:100%;height:100%;object-fit:cover;display:block}
#mt-chat-bubble:hover{transform:scale(1.08)}
#mt-chat-panel{position:fixed;right:20px;bottom:90px;width:360px;max-width:calc(100vw - 32px);height:520px;max-height:calc(100vh - 120px);background:#0f1629;border:1px solid rgba(255,255,255,.1);border-radius:16px;box-shadow:0 16px 48px rgba(0,0,0,.5);z-index:9999;display:none;flex-direction:column;overflow:hidden;font-family:'DM Sans',sans-serif}
#mt-chat-panel.open{display:flex}
.mt-chat-head{background:#f97316;color:#fff;padding:12px 16px;font-weight:700;display:flex;align-items:center;justify-content:space-between}
.mt-chat-head .head-title{display:flex;align-items:center;gap:10px}
.mt-chat-head .head-title img{width:34px;height:34px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,.6)}
.mt-chat-head .head-title .name{display:flex;flex-direction:column;line-height:1.1}
.mt-chat-head .head-title .name small{font-weight:400;font-size:11px;opacity:.85}
.mt-chat-head .close{background:none;border:none;color:#fff;font-size:22px;cursor:pointer;line-height:1}
.mt-chat-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}
.mt-msg{max-width:80%;padding:9px 12px;border-radius:12px;font-size:14px;line-height:1.45;white-space:pre-wrap;word-wrap:break-word}
.mt-msg.bot{background:rgba(255,255,255,.08);color:#e5e7eb;align-self:flex-start;border-bottom-left-radius:4px}
.mt-msg.user{background:#f97316;color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.mt-msg a{color:#fdba74;text-decoration:underline}
.mt-typing{align-self:flex-start;color:#9ca3af;font-size:13px;padding:4px 12px}
.mt-chat-foot{display:flex;gap:8px;padding:10px;border-top:1px solid rgba(255,255,255,.08)}
.mt-chat-foot input{flex:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:20px;color:#fff;padding:9px 14px;font-size:14px;outline:none}
.mt-chat-foot button{background:#f97316;border:none;color:#fff;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:16px}