:root{color-scheme:light;--bg: #f5f7fb;--surface: #ffffff;--surface2: #f0f2f7;--text: #1a1d26;--textSoft: #3a3f4d;--muted: #6b7280;--border: #e2e5ed;--accent: #5b4cdb;--accentLight: #eeeaff;--accentSoft: rgba(91, 76, 219, .12);--teal: #0891b2;--tealLight: #ecfeff;--danger: #dc2626;--dangerLight: #fef2f2;--success: #16a34a;--successLight: #f0fdf4;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow: 0 4px 20px rgba(0, 0, 0, .07);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .1);--radius: 14px;--radius-sm: 10px;--radius-xs: 8px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;width:100%;max-width:100%}body{margin:0;overflow-x:hidden;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.5}a{color:var(--accent)}.app{height:100vh;height:100dvh;min-height:0;max-height:100dvh;display:grid;grid-template-columns:280px 1fr;gap:12px;padding:12px;max-width:100vw;overflow:hidden}.app>.card{min-width:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}.sidebar{display:flex;flex-direction:column;min-height:0;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:14px 14px 12px;border-bottom:1px solid var(--border);background:var(--surface)}.brand{display:flex;flex-direction:column;gap:1px}.brandTitle{font-size:15px;font-weight:700;color:var(--text);letter-spacing:-.2px}.brandSub{font-size:11px;color:var(--muted);letter-spacing:.1px}.topbarActions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end;min-width:0;max-width:100%}.userEmail{font-size:11px;color:var(--muted);max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btnNewChatTopbar{flex:1 1 100%;width:100%;min-width:0}.sidebarCompactSpace{min-height:8px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:var(--radius-sm);padding:9px 14px;cursor:pointer;font-size:13px;font-weight:600;transition:background .15s,box-shadow .15s,transform .08s}.btn:hover{background:var(--surface2);box-shadow:var(--shadow-sm)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;pointer-events:none}.btnAccent{border-color:var(--accent);background:var(--accent);color:#fff}.btnAccent:hover{background:#4a3bbf;box-shadow:0 2px 8px #5b4cdb4d}.btnDanger{border-color:var(--danger);color:var(--danger);background:var(--dangerLight)}.btnDanger:hover{background:#fee2e2}.btnSm{padding:5px 10px;font-size:12px;border-radius:var(--radius-xs)}.btnVoiceListening{border-color:var(--danger);background:var(--dangerLight);color:var(--danger);animation:voicePulse 1.2s ease-in-out infinite}@keyframes voicePulse{0%,to{box-shadow:0 0 #dc262640}50%{box-shadow:0 0 0 6px #dc262600}}.navTabs{display:flex;gap:4px;padding:8px 10px;border-bottom:1px solid var(--border);flex-wrap:wrap;background:var(--surface2)}.navTabGroup{display:flex;gap:4px;flex-wrap:wrap;align-items:center}.navTabGroupPrimary{flex:1 1 100%}.navTabGroupSecondary{flex:1 1 100%;padding-top:5px;border-top:1px solid var(--border)}.navTab{flex:1 1 0%;min-width:0;padding:6px;border-radius:var(--radius-xs);border:1px solid transparent;background:var(--surface);color:var(--textSoft);font-size:11px;font-weight:600;cursor:pointer;transition:background .15s,color .15s,border-color .15s;white-space:nowrap;text-align:center;overflow:hidden;text-overflow:ellipsis}.navTab:hover{background:var(--accentLight);color:var(--accent)}.navTabActive{border-color:var(--accent);background:var(--accentLight);color:var(--accent);font-weight:700}.navTabModel{flex:0 0 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4px;border-radius:999px;background:var(--danger);color:#fff;font-size:9px;font-weight:700;line-height:16px;text-align:center}.chatRow{display:flex;flex-direction:column;gap:3px;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid transparent;background:var(--surface);cursor:pointer;text-align:left;width:100%;transition:background .12s,border-color .12s}.chatRow:hover{background:var(--surface2)}.chatRowActive{border-color:var(--accent);background:var(--accentLight)}.chatRowTitle{font-size:13px;font-weight:650;color:var(--text)}.chatRowMeta{font-size:11px;color:var(--muted);display:flex;gap:10px}.chatRowLine{display:flex;align-items:stretch;gap:6px}.chatRowMainBtn{flex:1}.chatRowDeleteBtn{flex:0 0 auto;align-self:center;min-width:34px;padding:6px 8px}.list{padding:10px;display:flex;flex-direction:column;gap:6px;overflow:auto}.main{display:grid;grid-template-rows:auto 1fr auto;min-height:0;min-width:0}.mainHeader{padding:14px;border-bottom:1px solid 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var(--border)}.chatDrawerTitle{font-size:17px;font-weight:700}.chatDrawerList{padding:10px;overflow:auto;display:flex;flex-direction:column;gap:6px}.messages{padding:16px;overflow:auto;overflow-x:hidden;display:flex;flex-direction:column;gap:12px;min-height:0;min-width:0;background:var(--bg)}.bubble{max-width:min(780px,100%);width:100%;min-width:0;padding:14px 16px;border-radius:18px;border:1px solid var(--border);background:var(--surface);white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;word-break:break-all;-webkit-hyphens:auto;hyphens:auto;line-height:1.55;font-size:14px;color:var(--text);box-shadow:var(--shadow-sm)}.bubbleUser{margin-left:auto;margin-right:0;align-self:flex-end;width:auto;max-width:min(780px,92%);border-color:var(--accent);background:var(--accentLight);color:var(--text)}.bubbleMeta{margin-top:8px;font-size:11px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px}.bubbleImgBtn{display:block;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;padding:0;margin:0;cursor:pointer;border-radius:12px;max-width:min(100%,520px);text-align:left}.bubbleImgBtn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.bubbleImg{display:block;max-width:min(100%,520px);max-height:360px;margin-top:10px;border-radius:12px;object-fit:contain;border:1px solid var(--border)}.bubbleImgBtn 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thinkingPulse{0%,80%,to{opacity:.25;transform:scale(.85)}40%{opacity:1;transform:scale(1.1)}}.thinkingLabel{font-size:12px;color:var(--muted);font-style:italic}.imgLightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#000c;display:flex;align-items:center;justify-content:center;padding:24px;cursor:zoom-out}.imgLightboxImg{max-width:min(96vw,1200px);max-height:92vh;object-fit:contain;border-radius:12px;cursor:default;box-shadow:0 8px 40px #0000004d}.imgLightboxClose{position:fixed;top:16px;right:16px;z-index:101;width:42px;height:42px;border-radius:var(--radius-sm);border:none;background:#fffffff2;color:#333;font-size:22px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}.imgLightboxClose:hover{background:#fff}.composer{border-top:1px solid var(--border);padding:12px 14px;padding-bottom:calc(12px + env(safe-area-inset-bottom,0px));display:grid;grid-template-columns:1fr 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env(safe-area-inset-bottom,0px));background:var(--surface);min-width:0;overflow-x:hidden}.sidebarHint{padding:12px;font-size:12px}.mainScroll{overflow:auto;min-height:0;flex:1;display:flex;flex-direction:column}.card.main{min-height:0}.card.main:has(>.mainScroll:only-child){display:flex;flex-direction:column}.card.main:has(>.mainScroll:only-child)>.mainScroll{flex:1;min-height:0}.titleInput{width:100%;max-width:520px;background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);padding:10px 12px;font-size:13px;outline:none;transition:border-color .15s}.titleInput:focus{border-color:var(--accent)}.select{background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);padding:10px 12px;font-size:13px;outline:none;box-sizing:border-box;max-width:100%}.modelSearchInput{width:100%;background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);padding:10px 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560px){.adminAccountsForm{flex-direction:row;flex-wrap:wrap;align-items:flex-end}.adminAccountsForm .titleInput{flex:1;min-width:180px;max-width:none}.adminAccountsForm .btnAccent{flex-shrink:0}}.adminAccountsList{list-style:none;margin:0;padding:0;font-size:13px}.adminAccountsList li{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 14px;border-radius:var(--radius-xs);border:1px solid var(--border);margin-bottom:6px;background:var(--surface);transition:box-shadow .12s}.adminAccountsList li:hover{box-shadow:var(--shadow-sm)}@media (max-width: 920px){.app{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);padding:8px;gap:8px}.appChatTab .sidebar{max-height:min(34vh,280px)}.appOtherTab .sidebar{max-height:none}.sidebar{min-height:0;flex-shrink:0}.card.sidebar,.main{min-height:0}.titleInput{max-width:100%}.userEmail{max-width:min(140px,40vw)}.topbar{padding:10px 12px 8px;gap:8px}.brandSub{display:none}.navTabs{flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;gap:4px;padding:6px 8px;scrollbar-width:none}.navTabs::-webkit-scrollbar{display:none}.navTabGroup,.navTabGroupPrimary,.navTabGroupSecondary{flex:0 0 auto;flex-wrap:nowrap}.navTabGroupSecondary{padding-top:0;border-top:none;padding-left:4px;margin-left:2px;border-left:1px solid var(--border)}.navTab{flex:0 0 auto;min-width:0;padding:6px 10px;font-size:11px;overflow:visible;text-overflow:clip}.messages{padding:10px;gap:10px}.bubble{padding:12px 14px;font-size:13px}.composer{padding:10px 12px;padding-bottom:calc(8px + env(safe-area-inset-bottom,0px))}.textarea{min-height:44px;max-height:120px;padding:10px;font-size:14px}.chatFooterHint{padding:6px 10px calc(4px + env(safe-area-inset-bottom,0px));font-size:11px;gap:4px}.chatFooterHelpLong{display:none}.mainHeaderChat{padding:8px 12px}.currentChatLabel{font-size:14px}.chatModelStrip{font-size:11px;flex-wrap:wrap;align-items:flex-start}.chatModelStripText{white-space:normal;overflow:visible;text-overflow:unset}.btnNewChatTopbar{padding:7px 10px;font-size:12px}}@media (max-width: 920px) and (orientation: landscape){.app{padding:4px;gap:4px}.appChatTab .sidebar{max-height:min(26vh,120px)}.topbar{padding:6px 8px}.brandTitle{font-size:13px}.navTab{padding:4px 8px;font-size:10px}.messages{padding:6px}.textarea{max-height:72px;min-height:40px}.chatFooterHint{padding:2px 6px;font-size:9px}.chatModelStrip{padding:4px 8px;font-size:10px}}@media (max-width: 520px){.app{width:100%;max-width:100%;padding:6px;gap:6px}.card{width:100%;max-width:100%}.topbarActions{width:100%;justify-content:flex-start}.navTabs{flex-wrap:wrap;overflow-x:visible;overflow-y:visible;gap:6px}.navTabGroup,.navTabGroupPrimary,.navTabGroupSecondary{flex-wrap:wrap}.navTabGroupSecondary{border-left:none;margin-left:0;padding-left:0;width:100%}.navTab{flex:0 1 auto;max-width:100%;min-width:0}.composer{grid-template-columns:1fr}.composerActions{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;min-width:0}.composerActions>.btn{width:100%;min-width:0;max-width:100%;padding-left:8px;padding-right:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.composerActions>.btn.btnAccent{font-size:11px}.messages,.bubble,.mainHeader,.chatModelStrip,.chatFooterHint{max-width:100%;min-width:0}.hint.chatFooterHint{padding-left:10px;padding-right:10px}.chatDocCtx{display:inline-flex;max-width:100%}.adminAccountsList li{flex-direction:column;align-items:stretch}.imgLightboxClose{top:calc(12px + env(safe-area-inset-top,0px));right:calc(12px + env(safe-area-inset-right,0px))}.modelPickPage{padding:14px 10px 24px}.modelManualRow{flex-direction:column;align-items:stretch}.modelManualRow>.modelManualInput{width:100%}.modelManualRow>.btn{width:100%}.modelSearchInput{font-size:14px}.docCard{padding:14px}}