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.chatbot-bubble{background:var(--bg-alt);color:var(--text);border:1px solid var(--border);border-bottom-left-radius:4px}.chatbot-text{white-space:pre-wrap}.chatbot-timestamp{font-family:var(--mono);opacity:.65;text-align:right;margin-top:4px;font-size:10px;display:block}.chatbot-bubble.typing{align-items:center;gap:4px;padding:10px 14px;display:flex}.typing-dot{background:var(--text-3);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite both typingBlink}.typing-dot:first-child{animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingBlink{0%,80%,to{opacity:.4;transform:scale(.6)}40%{opacity:1;transform:scale(1.1)}}.chatbot-papers-list{flex-direction:column;gap:10px;margin-top:4px;display:flex}.chatbot-paper-card{background:var(--bg-alt);border:1px solid var(--border-dark);border-radius:10px;padding:12px;transition:border-color .2s}.chatbot-paper-card:hover{border-color:var(--accent)}.chatbot-paper-meta{font-family:var(--mono);color:var(--text-3);align-items:center;gap:8px;margin-bottom:4px;font-size:11px;display:flex}.chatbot-paper-year{background:var(--bg-code);color:var(--accent);border-radius:4px;padding:2px 6px;font-weight:600}.chatbot-paper-venue{color:var(--text-2)}.chatbot-paper-citations{color:var(--amber);margin-left:auto;font-weight:600}.chatbot-paper-title{color:var(--text);margin-bottom:4px;font-size:13px;font-weight:700;line-height:1.3}.chatbot-paper-authors{color:var(--text-2);margin-bottom:6px;font-size:11px}.chatbot-paper-abstract{color:var(--text-3);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:8px;font-size:11px;line-height:1.4;display:-webkit-box;overflow:hidden}.chatbot-paper-actions{gap:8px;display:flex}.chatbot-btn-link{font-family:var(--mono);border-radius:5px;padding:4px 10px;font-size:11px;font-weight:500;text-decoration:none;transition:all .15s}.chatbot-btn-link.pdf{background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent)}.chatbot-btn-link.pdf:hover{background:var(--accent);color:#fff}.chatbot-btn-link.arxiv{background:var(--bg-code);color:var(--text);border:1px solid var(--border)}.chatbot-btn-link.arxiv:hover{border-color:var(--text-2);background:var(--border)}.chatbot-suggestions{flex-wrap:wrap;gap:6px;margin-top:4px;display:flex}.chatbot-chip{font-family:var(--mono);background:var(--bg-alt);color:var(--text-2);border:1px solid var(--border);text-align:left;border-radius:16px;padding:6px 10px;font-size:11px;transition:all .2s}.chatbot-chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}.chatbot-input-container{background:var(--bg-alt);border-top:1px solid var(--border);align-items:center;gap:8px;padding:12px 14px;display:flex}.chatbot-input{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:8px;outline:none;flex:1;padding:10px 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