.mchat{--bg:#fff;--surface:#fff;--ink:#0c0c16;--muted:#5e5e6e;--line:#0c0c1e17;--accent:#6d4aff;--accent-soft:#f0ecff;--grad:linear-gradient(135deg, #7a52ff 0%, #4d7cfe 100%);--grad-soft:linear-gradient(135deg, #f3efff 0%, #eaf1ff 100%);--bubble-in:#fff;--shadow-lg:0 2px 8px #1414320f, 0 40px 90px -32px #281e5a66;--r:16px;--r-lg:22px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){.mchat{--bg:#0a0a0f;--surface:#101019;--ink:#ededf2;--muted:#9a9aaa;--line:#ffffff1f;--accent:#8a6bff;--accent-soft:#7c5cff2e;--grad-soft:linear-gradient(135deg, #1b1533 0%, #131d33 100%);--bubble-in:#16161f;--shadow-lg:0 2px 8px #00000080, 0 40px 90px -32px #000000d9}}.mchat-panel{z-index:60;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--bg);width:min(392px,100vw - 2.5rem);height:min(600px,76vh);box-shadow:var(--shadow-lg);flex-direction:column;animation:.22s cubic-bezier(.22,1,.36,1) mchat-in;display:flex;position:fixed;bottom:6rem;right:1.25rem;overflow:hidden}@keyframes mchat-in{0%{opacity:0;transform:translateY(10px)scale(.985)}}.mchat-head{background:var(--grad);color:#fff;padding:16px 18px 18px;position:relative;overflow:hidden}.mchat-head:after{content:"";pointer-events:none;background:radial-gradient(120% 100% at 100% 0,#ffffff29,#0000 60%),linear-gradient(#0000 0 0);position:absolute;inset:0}.mchat-head-row{align-items:flex-start;gap:12px;display:flex;position:relative}.mchat-avatar{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#ffffff29;border-radius:999px;flex-shrink:0;place-items:center;width:42px;height:42px;display:grid;position:relative;box-shadow:inset 0 0 0 1px #ffffff47}.mchat-avatar svg{fill:#fff;width:20px;height:auto}.mchat-dot{border:2.5px solid #6c5cf5;border-radius:999px;width:13px;height:13px;position:absolute;bottom:-1px;right:-1px}.mchat-on{background:#34d399}.mchat-off{background:#fbbf24}.mchat-title{letter-spacing:-.01em;font-size:15px;font-weight:650;line-height:1.2}.mchat-status{color:#ffffffd1;align-items:center;gap:6px;margin-top:4px;font-size:12px;display:flex}.mchat-status i{border-radius:999px;width:6px;height:6px;display:inline-block}.mchat-x{color:#ffffffb3;cursor:pointer;background:0 0;border:0;border-radius:10px;margin:-4px -6px 0 0;padding:6px;transition:background .15s,color .15s}.mchat-x:hover{color:#fff;background:#ffffff29}.mchat-body{background:var(--bg);flex-direction:column;flex:1;gap:10px;padding:16px;display:flex;overflow-y:auto}.mchat-body::-webkit-scrollbar{width:8px}.mchat-body::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}.mchat-msg{white-space:pre-wrap;word-break:break-word;max-width:84%;padding:10px 14px;font-size:13.5px;line-height:1.55}.mchat-them{border:1px solid var(--line);border-radius:var(--r) var(--r) var(--r) 5px;background:var(--bubble-in);color:var(--ink);margin-right:auto}.mchat-me{border-radius:var(--r) var(--r) 5px var(--r);background:var(--grad);color:#fff;margin-left:auto}.mchat-oper{color:var(--accent);letter-spacing:-.01em;margin:0 0 5px 3px;font-size:11.5px;font-weight:700}.mchat-sys{align-items:center;gap:10px;padding:2px 0;display:flex}.mchat-sys span{background:var(--line);flex:1;height:1px}.mchat-sys b{color:var(--muted);white-space:nowrap;font-size:11px;font-weight:500}.mchat-typing{border:1px solid var(--line);border-radius:var(--r) var(--r) var(--r) 5px;background:var(--bubble-in);gap:4px;margin-right:auto;padding:13px 14px;display:flex}.mchat-typing i{background:var(--muted);opacity:.55;border-radius:999px;width:6px;height:6px;animation:1.1s infinite mchat-bounce}.mchat-typing i:nth-child(2){animation-delay:.15s}.mchat-typing i:nth-child(3){animation-delay:.3s}@keyframes mchat-bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}.mchat-form{background:var(--bg);flex-direction:column;flex:1;gap:9px;padding:18px;display:flex;overflow-y:auto}.mchat-lead{color:var(--muted);margin-bottom:2px;font-size:13px;line-height:1.55}.mchat-input{width:100%;font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:12px;outline:none;padding:11px 13px;font-size:13px;transition:border-color .15s,box-shadow .15s}.mchat-input::placeholder{color:var(--muted);opacity:.75}.mchat-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.mchat-cta{width:100%;font:inherit;color:#fff;background:var(--grad);cursor:pointer;border:0;border-radius:12px;margin-top:7px;padding:13px;font-size:13.5px;font-weight:650;transition:filter .15s,transform .1s}.mchat-cta:hover:not(:disabled){filter:brightness(1.08)}.mchat-cta:active:not(:disabled){transform:scale(.99)}.mchat-cta:disabled{opacity:.45;cursor:default}.mchat-fine{text-align:center;color:var(--muted);opacity:.85;margin-top:2px;font-size:11px;line-height:1.5}.mchat-err{color:#f43f5e;font-size:12px;font-weight:500}.mchat-foot{border-top:1px solid var(--line);background:var(--bg);padding:12px}.mchat-foot-row{align-items:flex-end;gap:8px;display:flex}.mchat-ta{resize:none;max-height:110px;font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:14px;outline:none;flex:1;padding:12px 14px;font-size:13.5px;transition:border-color .15s,box-shadow .15s}.mchat-ta::placeholder{color:var(--muted);opacity:.75}.mchat-ta:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.mchat-send{color:#fff;background:var(--grad);cursor:pointer;border:0;border-radius:14px;flex-shrink:0;place-items:center;width:44px;height:44px;transition:filter .15s,transform .1s;display:grid}.mchat-send:hover:not(:disabled){filter:brightness(1.08)}.mchat-send:disabled{opacity:.35;cursor:default}.mchat-fab{z-index:60;color:#fff;background:var(--grad);cursor:pointer;border:0;border-radius:999px;place-items:center;width:58px;height:58px;transition:transform .18s cubic-bezier(.22,1,.36,1),filter .15s;display:grid;position:fixed;bottom:1.25rem;right:1.25rem;box-shadow:0 10px 34px -6px #6d4aff99}.mchat-fab:hover{filter:brightness(1.06);transform:scale(1.06)}.mchat-fab:active{transform:scale(.96)}.mchat-fab-dot{border:3px solid var(--bg);border-radius:999px;width:16px;height:16px;position:absolute;top:-1px;right:-1px}.mchat-ping{opacity:.55;background:#34d399;border-radius:999px;width:16px;height:16px;animation:1.9s cubic-bezier(0,0,.2,1) infinite mchat-ping;position:absolute;top:-1px;right:-1px}@keyframes mchat-ping{75%,to{opacity:0;transform:scale(1.9)}}.mchat-invite{z-index:60;border:1px solid var(--line);background:var(--surface);max-width:calc(100vw - 2.5rem);box-shadow:var(--shadow-lg);border-radius:999px;align-items:center;gap:6px;padding:9px 10px 9px 15px;animation:.3s cubic-bezier(.22,1,.36,1) mchat-in;display:flex;position:fixed;bottom:5.9rem;right:1.25rem}.mchat-invite>button:first-child{font:inherit;color:var(--ink);cursor:pointer;white-space:nowrap;background:0 0;border:0;font-size:13px;font-weight:600}.mchat-invite-x{color:var(--muted);cursor:pointer;opacity:.6;background:0 0;border:0;border-radius:8px;padding:3px;transition:opacity .15s}.mchat-invite-x:hover{opacity:1}