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32px);height:560px;max-height:calc(100vh - 32px);background:#fff;border:1px solid var(--htf-line);border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.28);overflow:hidden}.htf.is-open .htf__panel{display:flex;animation:.18s htf-rise}@keyframes htf-rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.htf__head{display:flex;align-items:center;gap:.6rem;padding:.8rem .9rem;background:linear-gradient(135deg,var(--htf-crimson) 0,var(--htf-crimson-dark) 100%);color:#fff;border-bottom:2px solid var(--htf-gold)}.htf__avatar{width:38px;height:38px;flex:0 0 auto;border-radius:50%;background:rgba(255,255,255,.16);color:#fff;display:grid;place-items:center}.htf__avatar svg{width:22px;height:22px;display:block}.htf__head-meta{flex:1 1 auto;min-width:0}.htf__title{margin:0;font-size:.98rem;font-weight:700;line-height:1.2}.htf__sub{margin:0;font-size:.76rem;color:rgba(255,255,255,.85)}.htf__close{flex:0 0 auto;width:30px;height:30px;border:0;border-radius:50%;background:rgba(255,255,255,.16);color:#fff;font-size:1.2rem;line-height:1;cursor:pointer}.htf__close:hover{background:rgba(255,255,255,.28)}.htf__body{flex:1 1 auto;overflow-y:auto;padding:.9rem;background:#f8f9fb;display:flex;flex-direction:column;gap:.55rem;-webkit-overflow-scrolling:touch}.htf-msg{max-width:88%;padding:.55rem .75rem;border-radius:14px;font-size:.9rem;line-height:1.45;word-wrap:break-word}.htf-msg--bot{align-self:flex-start;background:var(--htf-bot-bg);border:1px solid var(--htf-line);color:var(--htf-ink);border-bottom-left-radius:4px}.htf-msg--user{align-self:flex-end;background:var(--htf-crimson);color:#fff;border-bottom-right-radius:4px;white-space:pre-wrap}.htf-links{display:flex;flex-direction:column;gap:.45rem;margin-top:.55rem}.htf-link{display:block;text-decoration:none;color:inherit;border:1px solid var(--htf-line);border-radius:11px;padding:.5rem .65rem;background:#fff;transition:border-color .15s,transform 50ms}.htf-link:hover{border-color:var(--htf-crimson)}.htf-link:active{transform:scale(.99)}.htf-link__title{display:flex;align-items:center;gap:.3rem;font-weight:700;font-size:.88rem;color:var(--htf-crimson)}.htf-link__title::after{content:"\2192";margin-left:auto;opacity:.5}.htf-link__text{font-size:.8rem;color:var(--htf-muted);margin-top:.15rem;line-height:1.4}.htf-chips{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.55rem}.htf-chip{border:1px solid var(--htf-crimson);color:var(--htf-crimson);background:#fff;border-radius:999px;padding:.35rem .7rem;font:inherit;font-size:.8rem;cursor:pointer;line-height:1.2}.htf-chip:hover{background:var(--htf-crimson);color:#fff}.htf-typing{align-self:flex-start;display:inline-flex;gap:4px;padding:.55rem .7rem;background:var(--htf-bot-bg);border:1px solid var(--htf-line);border-radius:14px 14px 14px 4px}.htf-typing span{width:6px;height:6px;border-radius:50%;background:var(--htf-crimson);opacity:.4;animation:1.2s infinite both htf-blink}.htf-typing span:nth-child(2){animation-delay:.2s}.htf-typing span:nth-child(3){animation-delay:.4s}@keyframes htf-blink{0%,100%,80%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}.htf__foot{flex:0 0 auto;border-top:1px solid var(--htf-line);background:#fff;padding:.6rem}.htf__row{display:flex;gap:.5rem;align-items:flex-end}.htf__input{flex:1 1 auto;resize:none;min-height:2.75rem;max-height:7rem;padding:.6rem .7rem;border:1px solid var(--htf-line);border-radius:10px;font:inherit;font-size:16px;line-height:1.35;color:var(--htf-ink);outline:0}.htf__input:focus{border-color:var(--htf-crimson)}.htf__send{flex:0 0 auto;height:2.75rem;min-width:2.75rem;padding:0 .9rem;border:0;border-radius:10px;background:var(--htf-crimson);color:#fff;font-weight:600;font-size:.9rem;cursor:pointer}.htf__send:hover{background:var(--htf-crimson-dark)}.htf__send:disabled{opacity:.5;cursor:not-allowed}@media (max-width:480px){.htf__panel{left:0;top:0;bottom:0;width:100vw;max-width:100vw;height:100dvh;max-height:none;border-radius:0;border:0}.htf__launcher-text{display:none}.htf__launcher{padding:.7rem}html.htf-open,html.htf-open body{overflow:hidden;height:100%}}@media (prefers-reduced-motion:reduce){.htf-typing span,.htf.is-open .htf__panel{animation:none}}