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15px;font-size:14.5px;line-height:1.7}.kb-msg-user{background:var(--primary);color:#fff;border-bottom-right-radius:4px;margin-left:auto}.kb-msg-bot{background:var(--bg);border:1px solid var(--border);border-bottom-left-radius:4px}.kb-msg p{margin:0 0 8px}.kb-msg p:last-child{margin-bottom:0}.kb-typing{color:var(--text-soft);font-size:13px;display:inline-block}.kb-cite-wrap{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.kb-cite{color:var(--kb-info);background:color-mix(in srgb, var(--kb-info) 12%, transparent);border:1px solid color-mix(in srgb, var(--kb-info) 30%, transparent);cursor:pointer;border-radius:999px;align-items:center;gap:4px;padding:3px 10px;font-size:12px;text-decoration:none;display:inline-flex}.kb-cite:before{content:"🔗";font-size:11px}.kb-cite:hover{filter:brightness(.96)}.kb-chip{cursor:pointer;color:var(--primary);background:var(--primary-soft);border:1px solid #0000;border-radius:999px;padding:7px 13px;font-size:13px;transition:opacity .18s,transform .18s}.kb-chip:hover{opacity:.92;transform:translateY(-2px)}.kb-chip:disabled{opacity:.5;cursor:not-allowed;transform:none}.kb-ask-w{border-top:1px solid var(--border);background:var(--surface);align-items:flex-end;gap:8px;padding:10px 14px 14px;display:flex}.kb-input-w{width:100%;color:var(--text);background:var(--bg);border:1px solid var(--border);resize:none;border-radius:12px;outline:none;flex:1;min-height:44px;max-height:120px;padding:11px 14px;font-family:inherit;font-size:14.5px;line-height:1.5}.kb-input-w:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.kb-input-w::placeholder{color:var(--text-soft)}.kb-send{border-radius:12px;flex:none;padding:11px 16px}.kb-btn{cursor:pointer;border:1px solid #0000;align-items:center;gap:8px;font-size:14px;font-weight:600;transition:transform .18s,box-shadow .18s,opacity .18s;display:inline-flex}.kb-btn-primary{background:var(--primary);color:#fff}.kb-btn-primary:hover{box-shadow:var(--shadow);opacity:.94;transform:translateY(-2px)}.kb-btn-primary:disabled{opacity:.55;cursor:not-allowed;transform:none}@media (width<=640px){.kb-fab{bottom:16px;right:16px}.kb-pop{z-index:72;border:none;border-radius:0;width:100%;height:100%;max-height:none;animation:none;position:fixed;inset:0}.kb-thread-w{flex:1;max-height:none}}