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1.1rem;height:52px;background:var(--accent);color:var(--bg);border:none;border-radius:26px;cursor:pointer;font-family:var(--sans);font-size:.85rem;font-weight:600;box-shadow:0 8px 32px #00d4aa61;transition:transform .18s ease,box-shadow .18s ease,padding .18s ease}.chat-fab:hover{transform:translateY(-2px);box-shadow:0 12px 40px #00d4aa80}.chat-fab--open{padding:0;width:52px;border-radius:50%;justify-content:center}.chat-fab__label{white-space:nowrap}.chat-panel{position:fixed;bottom:5.5rem;right:1.75rem;z-index:8999;width:clamp(300px,90vw,380px);height:clamp(420px,70vh,560px);background:var(--surface);border:1px solid var(--border-mid);border-radius:18px;box-shadow:0 24px 80px #0009;display:flex;flex-direction:column;overflow:hidden;animation:panelIn .22s cubic-bezier(.34,1.56,.64,1) both}@keyframes panelIn{0%{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.chat-panel__header{display:flex;align-items:center;gap:.75rem;padding:1rem 1rem .9rem;border-bottom:1px solid var(--border);background:var(--surface-2);flex-shrink:0}.chat-panel__avatar{width:38px;height:38px;border-radius:50%;background:var(--accent);color:var(--bg);font-family:var(--mono);font-size:.7rem;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0;letter-spacing:.05em}.chat-panel__info{flex:1;min-width:0}.chat-panel__name{font-family:var(--sans);font-size:.9rem;font-weight:600;color:var(--text);line-height:1.2}.chat-panel__status{font-family:var(--mono);font-size:.65rem;color:var(--accent);letter-spacing:.05em;margin-top:.1rem}.chat-panel__close{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:.25rem;display:flex;align-items:center;border-radius:6px;transition:color .15s}.chat-panel__close:hover{color:var(--text)}.chat-panel__body{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.6rem;scrollbar-width:thin;scrollbar-color:var(--border-mid) transparent}.chat-panel__error{font-family:var(--mono);font-size:.72rem;color:#ff6b6b;background:#ff6b6b14;border:1px solid rgba(255,107,107,.25);border-radius:8px;padding:.6rem .75rem;line-height:1.4}.chat-msg{max-width:82%;padding:.6rem .85rem;border-radius:14px;font-family:var(--sans);font-size:.875rem;line-height:1.5;word-break:break-word;animation:msgIn .18s ease both}@keyframes msgIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.chat-msg--bot{align-self:flex-start;background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-bottom-left-radius:4px}.chat-msg--user{align-self:flex-end;background:var(--accent);color:var(--bg);font-weight:500;border-bottom-right-radius:4px}.chat-msg--typing{display:flex;align-items:center;gap:5px;padding:.75rem 1rem;min-width:56px}.chat-msg--typing span{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--text-muted);animation:typingDot 1.2s ease infinite}.chat-msg--typing span:nth-child(2){animation-delay:.15s}.chat-msg--typing span:nth-child(3){animation-delay:.3s}.chat-panel__footer{display:flex;align-items:flex-end;gap:.5rem;padding:.75rem .85rem;border-top:1px solid var(--border);background:var(--surface-2);flex-shrink:0}.chat-panel__input{flex:1;background:var(--bg);border:1px solid var(--border-mid);border-radius:10px;padding:.6rem .75rem;color:var(--text);font-family:var(--sans);font-size:.875rem;line-height:1.4;resize:none;max-height:96px;overflow-y:auto;transition:border-color .15s}.chat-panel__input::placeholder{color:var(--text-muted)}.chat-panel__input:focus{outline:none;border-color:var(--accent-border)}.chat-panel__input:disabled{opacity:.5;cursor:not-allowed}.chat-panel__send{width:38px;height:38px;border-radius:50%;background:var(--accent);color:var(--bg);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:opacity .15s,transform .15s}.chat-panel__send:hover:not(:disabled){transform:scale(1.07)}.chat-panel__send:disabled{opacity:.35;cursor:not-allowed}@media (max-width: 480px){.chat-panel{right:.75rem;left:.75rem;width:auto;bottom:5rem}.chat-fab{right:1rem;bottom:1.25rem}}