.mtdchat-root{--mtdchat-accent:#2563eb;--mtdchat-accent-ink:#ffffff;--mtdchat-bg:#ffffff;--mtdchat-panel:#f7f8fa;--mtdchat-ink:#16181d;--mtdchat-ink-soft:#5b6472;--mtdchat-line:#e3e6ec;--mtdchat-bubble-bot:#f1f3f7;--mtdchat-radius:16px;--mtdchat-shadow:0 18px 48px rgba(16, 24, 40, 0.18);--mtdchat-font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;position:fixed;bottom:20px;z-index:999999;font-family:var(--mtdchat-font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}.mtdchat-root.is-right{right:20px}.mtdchat-root.is-left{left:20px}@media (prefers-color-scheme:dark){.mtdchat-root:not(.is-light){--mtdchat-bg:#16181d;--mtdchat-panel:#1d2027;--mtdchat-ink:#eceef2;--mtdchat-ink-soft:#9aa3b2;--mtdchat-line:#2c313a;--mtdchat-bubble-bot:#242830;--mtdchat-shadow:0 18px 48px rgba(0, 0, 0, 0.55)}}.mtdchat-launcher{display:inline-flex;align-items:center;gap:9px;margin:0;padding:13px 19px;border:0;border-radius:999px;background:var(--mtdchat-accent);color:var(--mtdchat-accent-ink);font:inherit;font-weight:600;line-height:1;cursor:pointer;box-shadow:var(--mtdchat-shadow);transition:transform .18s ease,box-shadow .18s ease,opacity .18s ease}.mtdchat-launcher:hover{transform:translateY(-2px)}.mtdchat-launcher:focus-visible{outline:3px solid var(--mtdchat-accent);outline-offset:3px}.mtdchat-launcher svg{width:20px;height:20px;flex:0 0 auto}.mtdchat-root.is-open .mtdchat-launcher{opacity:0;pointer-events:none}@media (max-width:480px){.mtdchat-launcher-text{display:none}.mtdchat-launcher{padding:15px}}.mtdchat-panel{position:absolute;bottom:0;width:min(400px, calc(100vw - 40px));height:min(620px, calc(100vh - 100px));display:none;flex-direction:column;overflow:hidden;background:var(--mtdchat-bg);color:var(--mtdchat-ink);border:1px solid var(--mtdchat-line);border-radius:var(--mtdchat-radius);box-shadow:var(--mtdchat-shadow)}.mtdchat-root.is-right .mtdchat-panel{right:0}.mtdchat-root.is-left .mtdchat-panel{left:0}.mtdchat-root.is-open .mtdchat-panel{display:flex;animation:mtdchat-in .22s ease both}@keyframes mtdchat-in{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.mtdchat-root.is-open .mtdchat-panel{animation:none}.mtdchat-launcher{transition:none}}@media (max-width:520px){.mtdchat-root{bottom:14px}.mtdchat-root.is-right{right:14px}.mtdchat-root.is-left{left:14px}.mtdchat-root.is-open .mtdchat-panel{position:fixed;inset:0;width:100vw;height:100dvh;border:0;border-radius:0}}.mtdchat-inline{width:100%}.mtdchat-root.is-inline{position:relative;inset:auto;width:100%;height:100%}.mtdchat-root.is-inline .mtdchat-launcher{display:none}.mtdchat-root.is-inline .mtdchat-panel{position:relative;display:flex;width:100%;height:100%;animation:none}.mtdchat-header{display:flex;align-items:center;gap:10px;padding:14px 14px 14px 18px;background:var(--mtdchat-accent);color:var(--mtdchat-accent-ink);flex:0 0 auto}.mtdchat-title{margin:0;font-size:15px;font-weight:650;letter-spacing:.01em}.mtdchat-status{margin:2px 0 0;font-size:12px;opacity:.85}.mtdchat-header-text{flex:1 1 auto;min-width:0}.mtdchat-iconbtn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:0;border-radius:8px;background:rgb(255 255 255 / .16);color:inherit;cursor:pointer;flex:0 0 auto}.mtdchat-iconbtn:hover{background:rgb(255 255 255 / .28)}.mtdchat-iconbtn:focus-visible{outline:2px solid #fff;outline-offset:2px}.mtdchat-iconbtn svg{width:17px;height:17px}.mtdchat-log{flex:1 1 auto;overflow-y:auto;overscroll-behavior:contain;padding:18px 16px;background:var(--mtdchat-panel);display:flex;flex-direction:column;gap:12px}.mtdchat-msg{display:flex;max-width:88%}.mtdchat-msg.is-user{align-self:flex-end}.mtdchat-msg.is-bot{align-self:flex-start}.mtdchat-bubble{padding:11px 14px;border-radius:14px;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere}.mtdchat-msg.is-user .mtdchat-bubble{background:var(--mtdchat-accent);color:var(--mtdchat-accent-ink);border-bottom-right-radius:5px}.mtdchat-msg.is-bot .mtdchat-bubble{background:var(--mtdchat-bubble-bot);color:var(--mtdchat-ink);border:1px solid var(--mtdchat-line);border-bottom-left-radius:5px}.mtdchat-msg.is-error .mtdchat-bubble{background:#fdecec;color:#8a1c1c;border-color:#f5c2c2}.mtdchat-bubble p{margin:0 0 .6em}.mtdchat-bubble p:last-child{margin-bottom:0}.mtdchat-bubble ul,.mtdchat-bubble ol{margin:.3em 0 .6em;padding-left:1.3em}.mtdchat-bubble li{margin:.18em 0}.mtdchat-bubble a{color:inherit;text-decoration:underline}.mtdchat-bubble code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;background:rgb(127 127 127 / .16);padding:.12em .38em;border-radius:4px}.mtdchat-bubble pre{margin:.5em 0;padding:10px 12px;border-radius:9px;background:rgb(127 127 127 / .16);overflow-x:auto;white-space:pre}.mtdchat-bubble pre code{background:none;padding:0;font-size:.85em}.mtdchat-reasoning{margin:8px 0 0;font-size:13px;color:var(--mtdchat-ink-soft)}.mtdchat-reasoning summary{cursor:pointer;font-weight:600}.mtdchat-reasoning div{margin-top:6px;padding:9px 11px;border-left:3px solid var(--mtdchat-line);background:rgb(127 127 127 / .08);border-radius:0 8px 8px 0;white-space:pre-wrap}.mtdchat-typing{display:inline-flex;gap:4px;align-items:center;padding:4px 2px}.mtdchat-typing span{width:7px;height:7px;border-radius:50%;background:var(--mtdchat-ink-soft);animation:mtdchat-blink 1.3s infinite ease-in-out both}.mtdchat-typing span:nth-child(2){animation-delay:.18s}.mtdchat-typing span:nth-child(3){animation-delay:.36s}@keyframes mtdchat-blink{0%,80%,100%{opacity:.25;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.mtdchat-form{flex:0 0 auto;display:flex;align-items:flex-end;gap:8px;padding:12px;background:var(--mtdchat-bg);border-top:1px solid var(--mtdchat-line)}.mtdchat-input{flex:1 1 auto;min-height:42px;max-height:132px;padding:11px 13px;border:1px solid var(--mtdchat-line);border-radius:11px;background:var(--mtdchat-panel);color:var(--mtdchat-ink);font:inherit;line-height:1.45;resize:none;overflow-y:auto;box-sizing:border-box}.mtdchat-input:focus{outline:none;border-color:var(--mtdchat-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--mtdchat-accent) 22%,transparent)}.mtdchat-input::placeholder{color:var(--mtdchat-ink-soft);opacity:1}.mtdchat-send{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;flex:0 0 auto;padding:0;border:0;border-radius:11px;background:var(--mtdchat-accent);color:var(--mtdchat-accent-ink);cursor:pointer;transition:opacity .15s ease}.mtdchat-send:disabled{opacity:.45;cursor:not-allowed}.mtdchat-send:focus-visible{outline:3px solid var(--mtdchat-accent);outline-offset:2px}.mtdchat-send svg{width:19px;height:19px}.mtdchat-foot{flex:0 0 auto;margin:0;padding:0 12px 10px;background:var(--mtdchat-bg);color:var(--mtdchat-ink-soft);font-size:11.5px;text-align:center}.mtdchat-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.mtdchat-gate{display:none;padding:18px 16px;overflow-y:auto}.mtdchat-root.is-gated .mtdchat-gate{display:block}.mtdchat-root.is-gated .mtdchat-log,.mtdchat-root.is-gated .mtdchat-form{display:none}.mtdchat-gate-card{display:flex;flex-direction:column;gap:10px}.mtdchat-gate-title{margin:0;font-weight:700;font-size:16px;color:var(--mtdchat-ink)}.mtdchat-gate-text{margin:0;font-size:14px;color:var(--mtdchat-ink-soft)}.mtdchat-gate-input{width:100%;box-sizing:border-box;margin:0;padding:11px 13px;border:1px solid var(--mtdchat-line);border-radius:10px;background:var(--mtdchat-bg);color:var(--mtdchat-ink);font:inherit;font-size:14px}.mtdchat-gate-input:focus{outline:2px solid var(--mtdchat-accent);outline-offset:1px;border-color:var(--mtdchat-accent)}.mtdchat-gate-btn{margin:2px 0 0;padding:12px 16px;border:0;border-radius:10px;background:var(--mtdchat-accent);color:var(--mtdchat-accent-ink);font:inherit;font-weight:600;font-size:15px;cursor:pointer}.mtdchat-gate-btn:disabled{opacity:.6;cursor:wait}.mtdchat-gate-error{display:none;margin:0;font-size:13px;color:#b42318}.mtdchat-gate-privacy{margin:0;font-size:12px;color:var(--mtdchat-ink-soft)}