.mq-root{--mq-accent:#3b82f6;--mq-accent-deep:#1d5fd4;--mq-grad:linear-gradient(135deg, #4a8bf7 0%, #2e6fe0 100%);--mq-shell:#1b1c1f;--mq-shell-2:#232427;--mq-shell-line:#313338;--mq-canvas:#f6f6f4;--mq-surface:#fff;--mq-border:#e4e4e0;--mq-text-1:#1e1f22;--mq-text-2:#3c3e43;--mq-text-3:#6b6e75;font-family:var(--font-ui,"Wanted Sans Variable", -apple-system, system-ui, sans-serif)}.mq-bubble{z-index:2147483000;background:var(--mq-grad);color:#fff;cursor:pointer;border:none;border-radius:18px;justify-content:center;align-items:center;width:56px;height:56px;transition:transform .16s cubic-bezier(.2,0,0,1),box-shadow .16s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 6px 20px #2e6fe061,0 2px 6px #1018282e}.mq-bubble:hover{transform:translateY(-2px)scale(1.03);box-shadow:0 10px 28px #2e6fe075,0 3px 8px #10182833}.mq-bubble:active{transform:translateY(0)scale(.98)}.mq-bubble-mark{font-size:25px;line-height:1}.mq-bubble-dot{background:#34d399;border:2px solid #2e6fe0;border-radius:50%;width:9px;height:9px;position:absolute;top:11px;right:11px}.mq-overlay{z-index:2147483001;display:flex;position:fixed;inset:0}.mq-backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#10121652;position:absolute;inset:0}.mq-panel{background:var(--mq-canvas);flex-direction:column;width:100%;max-width:100vw;height:100%;margin:auto;animation:.22s cubic-bezier(.2,0,0,1) mq-rise;display:flex;position:relative;overflow:hidden}@keyframes mq-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.mq-head{background:var(--mq-shell);color:#fff;border-bottom:1px solid var(--mq-shell-line);flex-shrink:0;justify-content:space-between;align-items:center;height:56px;padding:0 18px;display:flex}.mq-brand{align-items:center;gap:10px;display:flex}.mq-brand-mark{background:var(--mq-grad);border-radius:9px;justify-content:center;align-items:center;width:30px;height:30px;font-size:16px;display:flex;box-shadow:0 1px 6px #3b82f666}.mq-brand-name{letter-spacing:-.02em;font-size:15px;font-weight:700}.mq-brand-sub{color:#8a8d94;letter-spacing:.02em;font-size:11px}.mq-close{color:#c7c9ce;cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;font-size:15px;display:flex}.mq-close:hover{background:var(--mq-shell-2);color:#fff}.mq-thread{flex-direction:column;flex:1;gap:16px;padding:28px 18px 16px;display:flex;overflow-y:auto}.mq-row{align-items:flex-start;gap:10px;width:100%;max-width:760px;margin:0 auto;display:flex}.mq-row-user{flex-direction:row-reverse}.mq-avatar{background:var(--mq-grad);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;margin-top:1px;font-size:14px;display:flex}.mq-bubble-msg{color:var(--mq-text-1);white-space:pre-wrap;word-break:break-word;border-radius:14px;max-width:80%;padding:11px 14px;font-size:14px;line-height:1.6}.mq-row-mercury .mq-bubble-msg{background:var(--mq-surface);border:1px solid var(--mq-border);border-top-left-radius:4px}.mq-row-user .mq-bubble-msg{background:var(--mq-accent);color:#fff;border-top-right-radius:4px}.mq-typing{align-items:center;gap:4px;padding:2px 0;display:inline-flex}.mq-typing i{background:var(--mq-text-3);border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite both mq-blink}.mq-typing i:nth-child(2){animation-delay:.18s}.mq-typing i:nth-child(3){animation-delay:.36s}@keyframes mq-blink{0%,80%,to{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}.mq-composer{border-top:1px solid var(--mq-border);background:var(--mq-surface);flex-shrink:0;align-items:flex-end;gap:10px;padding:12px 18px;display:flex}.mq-composer-inner{align-items:flex-end;gap:10px;width:100%;max-width:760px;margin:0 auto;display:flex}.mq-input{resize:none;border:1px solid var(--mq-border);font:inherit;color:var(--mq-text-1);background:var(--mq-canvas);border-radius:12px;outline:none;flex:1;max-height:160px;padding:11px 14px;font-size:14px;line-height:1.5}.mq-input:focus{border-color:var(--mq-accent);box-shadow:0 0 0 3px #3b82f629}.mq-send{background:var(--mq-grad);color:#fff;cursor:pointer;border:none;border-radius:11px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:17px;font-weight:700;display:flex}.mq-send:disabled{opacity:.4;cursor:not-allowed}.mq-foot{width:100%;max-width:760px;color:var(--mq-text-3);text-align:center;margin:6px auto 0;font-size:11px}@media (min-width:720px){.mq-panel{border-radius:18px;max-width:960px;height:min(880px,94vh);margin:auto;box-shadow:0 24px 70px #10182847}}