@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--bg-dark: #0c1222;--bg-sidebar: #080d18;--bg-card: #141c2e;--bg-input: #1a2438;--bg-hover: rgba(255, 255, 255, .06);--bg-color: var(--bg-dark);--card-bg: var(--bg-card);--border-color: var(--border-dim);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-tertiary: #64748b;--accent-cyan: #22d3ee;--accent-blue: #3b82f6;--accent-color: var(--accent-cyan);--accent-glow: rgba(34, 211, 238, .12);--border-dim: rgba(148, 163, 184, .12);--border-bright: rgba(148, 163, 184, .22);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .25);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .45);--shadow-active-tab: none;--danger: #f87171;--success: #34d399;--glass-bg: rgba(12, 18, 34, .85);--glass-blur: blur(16px);--gradient-color-1: #0c1222;--gradient-color-2: #0f172a;--gradient-color-3: #111827;--gradient-color-4: #0c1222}body.light-mode{--bg-dark: #f8fafc;--bg-sidebar: #f1f5f9;--bg-card: #ffffff;--bg-input: #e2e8f0;--bg-hover: rgba(15, 23, 42, .05);--bg-color: var(--bg-dark);--card-bg: var(--bg-card);--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #64748b;--accent-cyan: #0891b2;--accent-blue: #2563eb;--accent-glow: rgba(8, 145, 178, .1);--border-dim: rgba(15, 23, 42, .08);--border-bright: rgba(15, 23, 42, .14);--glass-bg: rgba(248, 250, 252, .92);--shadow-md: 0 8px 24px rgba(15, 23, 42, .08);--shadow-lg: 0 16px 40px rgba(15, 23, 42, .1);--gradient-color-1: #f8fafc;--gradient-color-2: #f1f5f9;--gradient-color-3: #e2e8f0;--gradient-color-4: #f8fafc}body.reading-mode-1{filter:sepia(.18) saturate(.98) contrast(.98)}body.reading-mode-1:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:#f39c1208;pointer-events:none;z-index:999999;mix-blend-mode:multiply}body.reading-mode-2{filter:sepia(.35) saturate(.95) contrast(.95)}body.reading-mode-2:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:#f39c120f;pointer-events:none;z-index:999999;mix-blend-mode:multiply}body.reading-mode-3{filter:sepia(.55) saturate(.92) contrast(.92)}body.reading-mode-3:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:#f39c121a;pointer-events:none;z-index:999999;mix-blend-mode:multiply}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);line-height:1.6;height:100vh;overflow:hidden}#root{display:flex;flex-direction:column;height:100vh;width:100%;overflow:hidden}::selection{background:#22d3ee40;color:var(--text-primary)}a{color:var(--accent-cyan);text-decoration:none}a:hover{text-decoration:underline}.sources-grid{display:flex;flex-wrap:wrap;gap:.75rem}.source-item{background-color:var(--card-bg);padding:.5rem 1rem;border-radius:var(--radius-sm);font-size:.85rem;color:var(--text-secondary);border:1px solid var(--border-color);word-break:break-all;max-width:100%}.browser-layout{display:flex;height:100vh;width:100vw;background:radial-gradient(ellipse 120% 80% at 50% -20%,rgba(34,211,238,.06),transparent 50%),linear-gradient(180deg,var(--gradient-color-1) 0%,var(--gradient-color-2) 100%);color:var(--text-primary);overflow:hidden}.browser-sidebar{width:272px;background-color:var(--bg-sidebar);border-right:1px solid var(--border-dim);display:flex;flex-direction:column;flex-shrink:0;padding:12px 12px 16px;gap:8px;position:relative;z-index:10}.sidebar-navigation{display:flex;flex-direction:column;gap:2px;padding-bottom:8px;border-bottom:1px solid var(--border-dim);margin-bottom:4px}.sidebar-top{display:flex;justify-content:flex-end;padding-bottom:4px}.sidebar-actions{display:flex;gap:8px}.sidebar-action-icon{background:var(--bg-card);border:1px solid var(--border-dim);color:var(--text-tertiary);cursor:pointer;padding:8px;border-radius:8px;transition:all .2s;display:flex;align-items:center;justify-content:center}.sidebar-action-icon:hover{background-color:#f042421a;color:var(--danger);border-color:var(--danger)}.window-tabs{display:flex;flex-direction:column;gap:8px;overflow-y:auto;overflow-x:hidden;padding-bottom:20px}.window-tabs::-webkit-scrollbar{width:5px}.window-tabs::-webkit-scrollbar-track{background:transparent}.window-tabs::-webkit-scrollbar-thumb{background:var(--border-dim);border-radius:10px}.window-tabs::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.new-window-btn{width:100%;margin-top:8px;min-height:48px;border-radius:24px;background-color:#00ffff0d;border:1.5px solid var(--accent-cyan);color:var(--accent-cyan);display:flex;align-items:center;justify-content:flex-start;padding:0 16px;gap:12px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1)}.new-window-btn:hover{background-color:#00ffff1a;box-shadow:0 0 15px var(--accent-glow);transform:translateY(-1px)}.btn-label{font-size:14px;font-weight:600}.window-tab{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-md);cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease;color:var(--text-secondary);position:relative;border:1px solid transparent}.window-tab:hover:not(.active){background-color:var(--bg-hover);color:var(--text-primary)}.window-tab.active{background-color:var(--bg-card);color:var(--text-primary);border-color:var(--border-bright);box-shadow:var(--shadow-sm)}.tab-actions-hover{display:flex;align-items:center;gap:4px;margin-left:auto;opacity:0;transition:opacity .2s ease}.window-tab:hover .tab-actions-hover{opacity:1}.edit-tab-btn,.close-tab-btn{background:transparent;border:none;color:var(--text-tertiary);cursor:pointer;padding:4px;border-radius:4px;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.edit-tab-btn:hover{background-color:#00ffff26;color:var(--accent-cyan)}.close-tab-btn:hover{background-color:#f0424233;color:var(--danger)}.tab-icon{display:flex;align-items:center;justify-content:center;opacity:.7}.active .tab-icon{opacity:1;color:var(--accent-blue)}.tab-title{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:130px}.tab-title-input{background:#ffffff14;border:1px solid var(--accent-blue);border-radius:12px;color:var(--text-primary);font-family:inherit;font-size:13px;padding:2px 8px;width:100%;outline:none}.main-content{flex:1;display:flex;flex-direction:column;position:relative;overflow:hidden;background-color:var(--bg-dark);z-index:1}.main-header{height:60px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-dim);background-color:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);z-index:10}.header-brand{display:flex;align-items:center;gap:14px}.brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-blue) 100%);color:#0c1222;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 4px 14px var(--accent-glow)}.brand-text-group{display:flex;flex-direction:column;gap:0;line-height:1.2}.brand-name{font-size:17px;font-weight:700;color:var(--text-primary);letter-spacing:-.03em}.brand-tagline{font-size:11px;font-weight:500;color:var(--text-tertiary);letter-spacing:.02em}.model-selector{position:relative;margin-left:8px}.model-btn{background:transparent;border:none;color:var(--text-secondary);display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.model-btn:hover{background-color:#ffffff0d;color:var(--text-primary)}.model-name{color:var(--text-primary)}.model-menu{position:absolute;top:calc(100% + 8px);left:0;background-color:var(--bg-card);border:1px solid var(--border-dim);border-radius:12px;padding:8px;min-width:220px;box-shadow:0 10px 30px #00000080;z-index:100;display:flex;flex-direction:column;gap:4px}.model-option{display:flex;flex-direction:column;padding:10px 12px;border-radius:8px;cursor:pointer;transition:all .2s;border:1px solid transparent}.model-option:hover{background-color:#ffffff0d}.model-option.selected{background-color:#00f2fe0d;border-color:#00f2fe33}.option-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2px}.option-title{font-size:14px;font-weight:600;color:var(--text-primary)}.option-desc{font-size:11px;color:var(--text-tertiary);line-height:1.4}.check-icon{color:var(--accent-cyan)}.chevron-down{font-size:10px;opacity:.5}.share-btn{background:var(--bg-card);border:1px solid var(--border-bright);color:var(--text-primary);display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-md);font-size:13px;font-weight:600;cursor:pointer;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease}.share-btn:hover{background-color:var(--bg-hover);border-color:var(--accent-cyan);box-shadow:0 0 0 3px var(--accent-glow)}.header-actions{display:flex;align-items:center;gap:10px}.theme-toggle-btn{background:var(--bg-card);border:1px solid var(--border-bright);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.theme-toggle-btn:hover{background-color:var(--bg-input);color:var(--accent-cyan);border-color:var(--accent-cyan);box-shadow:0 0 12px var(--accent-glow);transform:translateY(-1px)}.theme-toggle-btn.active{background-color:#00ffff1a;color:var(--accent-cyan);border-color:var(--accent-cyan);box-shadow:0 0 12px var(--accent-glow)}.reading-toggle-btn-step{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px;padding-top:2px}.backlight-indicator-bars{display:flex;gap:2.5px;justify-content:center;align-items:center;height:4px;width:18px;margin-top:-1px}.backlight-indicator-bars .bar{display:inline-block;width:4px;height:3px;background-color:var(--text-tertiary);border-radius:1px;transition:all .25s ease;opacity:.35}.backlight-indicator-bars .bar.lit{background-color:var(--accent-cyan);opacity:1;box-shadow:0 0 5px var(--accent-cyan)}.reading-toggle-btn-step.intensity-1{background-color:#00ffff0a;color:var(--accent-cyan);border-color:#0ff3}.reading-toggle-btn-step.intensity-2{background-color:#00ffff14;color:var(--accent-cyan);border-color:#0ff6}.reading-toggle-btn-step.intensity-3{background-color:#00ffff26;color:var(--accent-cyan);border-color:var(--accent-cyan);box-shadow:0 0 12px var(--accent-glow)}.user-info{display:flex;align-items:center;gap:10px;padding:4px 4px 4px 12px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:20px}.user-name{font-size:13px;font-weight:600;color:var(--text-primary);white-space:nowrap}.logout-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.12);color:#fff9;border-radius:14px;padding:4px 12px;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s}.logout-btn:hover{background:#ef444426;border-color:#ef444466;color:#f87171}.admin-dashboard-btn{background:#00b4d81a;border-color:#00b4d866;color:#00b4d8}.admin-dashboard-btn:hover{background:#00b4d833;border-color:#00b4d8}.chat-container{flex:1;overflow-y:auto;overflow-x:hidden;padding-bottom:140px;scroll-behavior:smooth}.chat-container::-webkit-scrollbar{width:6px}.chat-container::-webkit-scrollbar-track{background:transparent}.chat-container::-webkit-scrollbar-thumb{background:var(--border-bright);border-radius:10px}.messages-list{max-width:768px;margin:0 auto;padding:32px 24px 48px;display:flex;flex-direction:column;gap:32px}.empty-state{height:80%;display:flex;align-items:center;justify-content:center;text-align:center}.empty-logo{display:flex;flex-direction:column;align-items:center;gap:20px}.empty-logo svg{color:var(--accent-color);filter:drop-shadow(0 0 15px rgba(0,119,194,.3))}.hero-text{font-size:28px;font-weight:600;color:var(--text-primary);letter-spacing:-.03em;max-width:420px;line-height:1.25}.hero-subtext{font-size:15px;color:var(--text-secondary);font-weight:400;max-width:480px;line-height:1.5}.message-wrapper{display:flex;width:100%;gap:16px;animation:fadeIn .3s ease-out;margin-bottom:8px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.user-wrapper{justify-content:flex-end}.assistant-wrapper{justify-content:flex-start}.message-bubble{max-width:85%;padding:4px 0;font-size:16px;line-height:1.6;position:relative;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.user-bubble{background:var(--bg-card);border:1px solid var(--border-bright);border-radius:var(--radius-lg) var(--radius-lg) 4px var(--radius-lg);padding:12px 16px;max-width:80%;width:fit-content;color:var(--text-primary);box-shadow:var(--shadow-sm);margin-left:auto;line-height:1.55}.assistant-bubble{background-color:transparent;color:var(--text-primary);width:100%}.assistant-avatar{width:32px;height:32px;border-radius:var(--radius-sm);background:linear-gradient(135deg,#22d3ee26,#3b82f626);border:1px solid var(--border-bright);color:var(--accent-cyan);display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:4px}.assistant-avatar svg{width:20px;height:20px}.message-content{overflow-wrap:break-word}.message-content p{margin-bottom:.5em}.message-content p:last-child{margin-bottom:0}.message-bubble:hover .message-footer{opacity:1}.message-footer{display:flex;align-items:center;min-height:0}.sources-inline{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--text-tertiary);margin-top:4px}.copy-msg-btn{position:absolute;bottom:8px;right:12px;background:var(--bg-card);border:1px solid var(--border-dim);color:var(--text-tertiary);cursor:pointer;padding:6px;border-radius:8px;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .2s;z-index:5}.copy-msg-btn:hover{background-color:var(--bg-input);color:var(--text-primary);border-color:var(--accent-blue)}.message-content p{margin-bottom:1.2rem}.message-content table{width:100%;border-collapse:collapse;margin:1.5rem 0;background-color:#ffffff08;border-radius:12px;overflow:hidden;border:1px solid var(--border-color)}.message-content th,.message-content td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-color)}.message-content th{background-color:#ffffff0d;font-weight:600;color:var(--accent-color)}.message-content img{max-width:100%;border-radius:16px;margin:20px 0;border:4px solid var(--card-bg);box-shadow:0 10px 30px #0006}.input-area{position:absolute;bottom:0;left:0;width:100%;padding:16px 24px 24px;background:linear-gradient(0deg,var(--bg-color) 55%,transparent)}.input-form{max-width:768px;margin:0 auto;background-color:var(--bg-card);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:var(--radius-xl);padding:6px 8px 6px 4px;display:flex;align-items:flex-end;box-shadow:var(--shadow-lg);border:1px solid var(--border-bright);transition:border-color .2s ease,box-shadow .2s ease}.input-form:focus-within{border-color:#22d3ee73;box-shadow:var(--shadow-lg),0 0 0 3px var(--accent-glow)}.chat-input{flex:1;background:transparent;border:none;color:var(--text-primary);padding:10px 15px;font-size:16px;outline:none;resize:none;min-height:24px;max-height:200px;font-family:inherit;line-height:1.5}.attach-btn,.voice-btn{color:var(--text-tertiary);background:transparent;border:none;cursor:pointer;padding:8px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s}.attach-btn:hover,.voice-btn:hover{background-color:var(--bg-card);color:var(--text-primary)}.send-btn{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));color:#0c1222;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease;border:none;cursor:pointer;flex-shrink:0}.send-btn:hover:not(:disabled){transform:scale(1.04);box-shadow:0 4px 16px var(--accent-glow)}.send-btn:disabled{opacity:.45;cursor:not-allowed}.legal-footer{text-align:center;font-size:12px;color:var(--text-tertiary);margin-top:12px;max-width:768px;margin-left:auto;margin-right:auto}.legal-footer a{color:var(--text-secondary);text-underline-offset:2px}.legal-footer a:hover{color:var(--accent-cyan)}.typing-dot{width:10px;height:10px;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));border-radius:50%;position:relative;box-shadow:0 0 15px var(--accent-cyan);animation:bounce .6s infinite alternate}.typing-dot:after{content:"";position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;border-radius:50%;background:#fff;opacity:0;animation:sparkle 1.2s infinite}@keyframes sparkle{0%,to{transform:scale(1);opacity:0}50%{transform:scale(1.8);opacity:.4}}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-10px)}}.sidebar-top-btn{display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;background:transparent;border:none;border-radius:var(--radius-md);color:var(--text-secondary);font-size:13px;font-weight:500;text-align:left;cursor:pointer;transition:background .15s ease,color .15s ease}.sidebar-top-btn:first-child{background:var(--bg-card);border:1px solid var(--border-bright);color:var(--text-primary);font-weight:600;margin-bottom:4px}.sidebar-top-btn:first-child:hover{background:var(--bg-hover);border-color:var(--accent-cyan)}.sidebar-top-btn:hover:not(:first-child){background-color:var(--bg-hover);color:var(--text-primary)}.sidebar-top-btn svg{color:var(--text-tertiary);flex-shrink:0;opacity:.9}.sidebar-top-btn.active{background-color:var(--bg-card);color:var(--text-primary)}.sidebar-search-container{display:flex;align-items:center;position:relative;width:calc(100% - 16px);margin-top:4px}.sidebar-search-input{width:100%;padding:8px 32px 8px 12px;background-color:var(--bg-hover);border:1.5px solid var(--border-dim);border-radius:8px;color:var(--text-primary);font-size:13px;outline:none;transition:border-color .2s}.sidebar-search-input:focus{border-color:var(--accent-cyan)}.clear-search-btn{position:absolute;right:10px;background:transparent;border:none;color:var(--text-tertiary);font-size:16px;cursor:pointer;outline:none}.clear-search-btn:hover{color:var(--text-primary)}.recents-header{font-size:11px;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;padding:12px 12px 6px}.sidebar-profile{margin-top:auto;border-top:1px solid var(--border-dim);padding:12px 16px 12px 0;width:100%}.profile-container{display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:8px;cursor:pointer;transition:background .2s;width:100%}.profile-container:hover{background-color:var(--bg-hover)}.profile-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));color:#0c1222;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0}.profile-avatar.guest{background-color:var(--border-dim);color:var(--text-secondary);box-shadow:none}.profile-info{display:flex;flex-direction:column;flex-grow:1;min-width:0}.profile-name{font-size:13.5px;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-sub{font-size:11px;color:var(--text-tertiary)}.logout-btn{background:transparent;border:none;color:var(--text-tertiary);cursor:pointer;padding:6px;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .2s}.logout-btn:hover{background-color:#f0424226;color:var(--danger)}@media (max-width: 900px){.browser-sidebar{width:68px}.tab-title{display:none}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner{display:inline-block;box-sizing:border-box}.suggestion-container{display:flex;flex-direction:column;align-items:center;gap:24px;width:100%;max-width:800px;margin-top:32px;animation:fadeIn .6s ease-out}.suggestion-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;width:100%}.suggestion-card{background:var(--bg-card);border:1px solid var(--border-dim);border-radius:var(--radius-lg);padding:18px 20px;text-align:left;cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;display:flex;flex-direction:column;gap:10px;position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}.suggestion-card:hover{transform:translateY(-2px);border-color:var(--border-bright);box-shadow:var(--shadow-md)}.suggestion-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(0,242,254,.05) 0%,transparent 100%);opacity:0;transition:opacity .3s ease}.suggestion-card:hover:before{opacity:1}.suggestion-card-header{display:flex;align-items:center;gap:12px}.suggestion-icon{width:40px;height:40px;border-radius:var(--radius-md);background:var(--bg-hover);color:var(--accent-cyan);display:flex;align-items:center;justify-content:center;font-size:18px;transition:background .2s ease}.suggestion-card:hover .suggestion-icon{background:var(--accent-glow)}.suggestion-title{font-size:15px;font-weight:700;color:var(--text-primary);margin:0}.suggestion-desc{font-size:12.5px;color:var(--text-tertiary);line-height:1.5;margin:0}.suggestion-card:hover .suggestion-desc{color:var(--text-secondary)}.upload-popover{position:absolute;bottom:44px;left:0;width:320px;background:var(--bg-card);border:1px solid var(--border-dim);border-radius:16px;box-shadow:0 10px 30px #0006;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:100;overflow:hidden;display:flex;flex-direction:column}.upload-popover-header{padding:12px 16px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-tertiary);border-bottom:1px solid var(--border-dim)}.upload-popover-options{display:flex;flex-direction:column;padding:6px}.upload-popover-option{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;cursor:pointer;transition:all .2s ease}.upload-popover-option:hover{background-color:var(--bg-hover)}.popover-option-icon{font-size:20px;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background-color:#ffffff0d;transition:all .2s ease}.upload-popover-option:hover .popover-option-icon{background-color:#00f2fe26;transform:scale(1.05)}.popover-option-text{display:flex;flex-direction:column;gap:2px}.popover-option-title{font-size:13.5px;font-weight:600;color:var(--text-primary)}.popover-option-desc{font-size:10.5px;color:var(--text-tertiary);line-height:1.3}.attached-file-badge{display:flex;align-items:center;gap:8px;background:#00f2fe14;border:1px solid rgba(0,242,254,.2);border-radius:20px;padding:6px 12px;width:fit-content;margin-bottom:12px;animation:slideUp .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px #00f2fe0d}.file-badge-icon{font-size:14px}.file-badge-name{font-size:12.5px;font-weight:600;color:var(--accent-cyan);max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-badge-remove{background:transparent;border:none;color:var(--text-tertiary);font-size:16px;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center;line-height:1;transition:color .2s ease}.file-badge-remove:hover{color:#ff4d4d}@keyframes slideUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.voice-btn.listening{background:#ff4d4d26!important;color:#ff4d4d!important;border-color:#ff4d4d4d!important;box-shadow:0 0 16px #ff4d4d33!important}.voice-wave-container{display:flex;align-items:flex-end;gap:3px;width:24px;height:24px;justify-content:center;padding-bottom:4px}.voice-wave-bar{width:3px;height:8px;background-color:#ff4d4d;border-radius:2px;animation:voicePulse 1.2s ease-in-out infinite alternate}.voice-wave-bar:nth-child(2){animation-delay:.2s;height:14px}.voice-wave-bar:nth-child(3){animation-delay:.4s;height:10px}@keyframes voicePulse{0%{height:4px}to{height:18px}}.copy-msg-btn.speaking{color:var(--accent-cyan)!important;background-color:#00f2fe26!important;border-color:#00f2fe4d!important;box-shadow:0 0 8px #00f2fe1a!important}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.33"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.auth-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#080d18a6;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:24px}.auth-modal{background:var(--bg-card);border:1px solid var(--border-bright);border-radius:var(--radius-xl);padding:36px 32px;width:100%;max-width:400px;position:relative;box-shadow:var(--shadow-lg)}.auth-close{position:absolute;top:14px;right:16px;background:var(--bg-hover);border:none;color:var(--text-tertiary);font-size:20px;width:32px;height:32px;border-radius:var(--radius-sm);cursor:pointer;line-height:1;transition:color .15s ease,background .15s ease;display:flex;align-items:center;justify-content:center}.auth-close:hover{color:var(--text-primary);background:var(--bg-input)}.auth-header{text-align:center;margin-bottom:24px}.auth-logo{width:48px;height:48px;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:#0c1222}.auth-header h2{color:var(--text-primary);font-size:20px;font-weight:700;margin:0 0 6px;letter-spacing:-.02em}.auth-subtext{color:var(--text-secondary);font-size:13px;margin:0;line-height:1.5}.google-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;background:var(--text-primary);color:var(--bg-dark);border:none;border-radius:var(--radius-md);padding:11px 16px;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .15s ease,transform .1s ease}body.light-mode .google-btn{background:#fff;color:#0f172a;border:1px solid var(--border-dim)}.google-btn:hover:not(:disabled){opacity:.92}.google-btn:active:not(:disabled){transform:scale(.99)}.google-btn:disabled{opacity:.55;cursor:not-allowed}.auth-divider{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--text-tertiary);font-size:12px;font-weight:500}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-dim)}.auth-form{display:flex;flex-direction:column;gap:14px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:12px;font-weight:600;color:var(--text-secondary)}.form-group input{background:var(--bg-input);border:1px solid var(--border-dim);border-radius:var(--radius-md);padding:10px 14px;color:var(--text-primary);font-size:14px;font-family:inherit;outline:none;transition:border-color .15s ease,box-shadow .15s ease}.form-group input:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 3px var(--accent-glow)}.form-group input::placeholder{color:var(--text-tertiary)}.auth-error{background:#f871711a;border:1px solid rgba(248,113,113,.25);border-radius:var(--radius-sm);color:var(--danger);font-size:13px;padding:8px 12px;margin:0}.auth-submit-btn{width:100%;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));color:#0c1222;border:none;border-radius:var(--radius-md);padding:12px;font-size:14px;font-weight:700;font-family:inherit;cursor:pointer;margin-top:4px;transition:opacity .15s ease,transform .1s ease}.auth-submit-btn:hover:not(:disabled){opacity:.92}.auth-submit-btn:active:not(:disabled){transform:scale(.99)}.auth-submit-btn:disabled{opacity:.55;cursor:not-allowed}.auth-toggle{text-align:center;margin:18px 0 0;font-size:13px;color:var(--text-tertiary)}.auth-toggle button{background:none;border:none;color:var(--accent-cyan);cursor:pointer;font-size:13px;font-weight:600;padding:0;font-family:inherit}.auth-toggle button:hover{text-decoration:underline;text-underline-offset:2px}.admin-page{min-height:100vh;background:var(--bg-dark);color:var(--text-primary);font-family:var(--font-family);display:flex;flex-direction:column}.admin-header{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;border-bottom:1px solid var(--border-dim);background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}.admin-brand{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:700;color:var(--text-primary);letter-spacing:-.02em}.admin-back-btn{background:var(--bg-card);border:1px solid var(--border-bright);color:var(--text-secondary);border-radius:var(--radius-md);padding:8px 14px;font-size:13px;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.admin-back-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--accent-cyan)}.admin-tabs{display:flex;gap:4px;padding:12px 28px 0;border-bottom:1px solid var(--border-dim)}.admin-tab{background:none;border:none;border-bottom:2px solid transparent;color:var(--text-tertiary);font-size:14px;font-weight:600;font-family:inherit;padding:8px 16px 12px;cursor:pointer;transition:color .15s ease,border-color .15s ease}.admin-tab.active{color:var(--accent-cyan);border-bottom-color:var(--accent-cyan)}.admin-tab:hover:not(.active){color:var(--text-primary)}.admin-body{padding:28px;flex:1;overflow-y:auto}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.metric-card{background:var(--bg-card);border:1px solid var(--border-dim);border-radius:var(--radius-lg);padding:20px;display:flex;flex-direction:column;gap:8px;transition:border-color .15s ease,box-shadow .15s ease}.metric-card:hover{border-color:var(--border-bright);box-shadow:var(--shadow-sm)}.metric-icon{font-size:22px}.metric-value{font-size:28px;font-weight:700;color:var(--text-primary);line-height:1;letter-spacing:-.03em}.metric-label{font-size:12px;color:var(--text-tertiary);font-weight:500}.admin-card{background:var(--bg-card);border:1px solid var(--border-dim);border-radius:var(--radius-lg);padding:20px 24px;margin-bottom:20px}.admin-card h3{font-size:15px;font-weight:700;color:var(--text-primary);margin:0 0 16px;display:flex;align-items:center;gap:8px}.table-wrap{overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table th{text-align:left;color:var(--text-tertiary);font-weight:600;font-size:11px;letter-spacing:.04em;text-transform:uppercase;padding:8px 12px;border-bottom:1px solid var(--border-dim)}.admin-table td{padding:10px 12px;color:var(--text-secondary);border-bottom:1px solid var(--border-dim);vertical-align:middle}.admin-table tr:hover td{background:var(--bg-hover)}.query-cell{max-width:300px;word-break:break-word;color:var(--text-primary)}.time-cell{white-space:nowrap;color:var(--text-tertiary);font-size:12px}.user-chip{background:var(--accent-glow);color:var(--accent-cyan);border-radius:20px;padding:2px 10px;font-size:12px;font-weight:500;white-space:nowrap}.badge{background:var(--bg-hover);border-radius:20px;padding:2px 10px;font-size:12px;color:var(--text-primary)}.rag-yes{color:var(--success);font-weight:600}.rag-no{color:var(--text-tertiary)}.empty-table{color:var(--text-tertiary);font-size:13px}.bar-chart{display:flex;align-items:flex-end;gap:10px;height:120px;padding-top:10px}.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end;gap:4px}.bar-fill{width:100%;background:linear-gradient(180deg,var(--accent-cyan),var(--accent-blue));border-radius:4px 4px 0 0;min-height:4px;transition:height .4s ease}.bar-count{font-size:11px;color:var(--text-secondary)}.bar-label{font-size:10px;color:var(--text-tertiary)}.logs-header-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.total-badge{background:var(--accent-glow);color:var(--accent-cyan);border-radius:20px;padding:2px 10px;font-size:12px;font-weight:600;margin-left:8px}.refresh-btn{background:var(--bg-hover);border:1px solid var(--border-dim);color:var(--text-secondary);border-radius:var(--radius-sm);padding:6px 12px;font-size:12px;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s ease,color .15s ease}.refresh-btn:hover{background:var(--bg-input);color:var(--text-primary)}.admin-loading{color:var(--text-tertiary);font-size:14px;padding:20px 0}.pagination{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:16px;font-size:13px;color:var(--text-tertiary)}.pagination button{background:var(--bg-card);border:1px solid var(--border-dim);color:var(--text-secondary);border-radius:var(--radius-sm);padding:6px 14px;font-size:13px;font-family:inherit;cursor:pointer;transition:background .15s ease,border-color .15s ease}.pagination button:disabled{opacity:.35;cursor:not-allowed}.pagination button:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-bright)}.status-pill{margin-left:8px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.02em;border:1px solid transparent}.status-online{background:#34d3991f;color:var(--success);border-color:#34d39940}.status-offline{background:#f871711f;color:var(--danger);border-color:#f8717140}