*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:#0f1117;color:#f0f4ff;min-height:100vh;line-height:1.6}#root{width:100%;max-width:720px;margin:0 auto;padding:48px 24px 64px}.app-header{text-align:center;margin-bottom:32px}.app-logo{height:80px;width:auto;display:block;margin:0 auto 20px}h1{font-size:1.6rem;font-weight:700;letter-spacing:-.02em;color:#f0f4ff}.card{background:#1a1d27;border:1px solid #2A2D3A;border-radius:12px;box-shadow:0 4px 24px #0000004d;padding:20px 24px}.query-section{margin-bottom:24px}.input-row{display:flex;gap:10px;align-items:stretch}.query-input{flex:1;background:#1a1d27;border:1px solid #2A2D3A;border-radius:12px;padding:14px 16px;color:#f0f4ff;font-family:Inter,system-ui,sans-serif;font-size:.95rem;outline:none;transition:border-color .15s;min-width:0}.query-input::placeholder{color:#8b92a5}.query-input:focus{border-color:#4a9eff;box-shadow:0 0 0 3px #4a9eff1f}.send-btn{background:#4a9eff;color:#fff;border:none;border-radius:12px;padding:14px 22px;font-family:Inter,system-ui,sans-serif;font-size:.95rem;font-weight:600;cursor:pointer;transition:transform .1s,background .15s;white-space:nowrap;flex-shrink:0}.send-btn:hover:not(:disabled){background:#3a8eef;transform:scale(1.02)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.loading-dots{display:flex;align-items:center;gap:6px;padding:4px 0}.loading-dots span{display:inline-block;width:8px;height:8px;border-radius:50%;background:#4a9eff;animation:pulse 1.2s ease-in-out infinite}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,80%,to{opacity:.25;transform:scale(.85)}40%{opacity:1;transform:scale(1)}}.loading-label{color:#8b92a5;font-size:.9rem;margin-left:4px}.thinking-block{background:#13151e;border-left:2px solid #2A2D3A;border-radius:6px;padding:12px 14px;margin-bottom:20px}.thinking-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.thinking-label{font-size:.7rem;font-variant:small-caps;letter-spacing:.06em;color:#8b92a5;font-style:normal}.thinking-toggle{background:none;border:none;color:#4a9eff;font-size:.75rem;font-family:Inter,system-ui,sans-serif;cursor:pointer;padding:0;line-height:1}.thinking-toggle:hover{text-decoration:underline}.thinking-body{max-height:3.6rem;overflow:hidden;transition:max-height .3s ease}.thinking-body.expanded{max-height:60rem}.thinking-text{font-size:.8rem;color:#6b7280;font-style:italic;line-height:1.5;white-space:pre-wrap}.answer-text{color:#f0f4ff;font-size:1.1rem;font-weight:400;line-height:1.8;white-space:pre-wrap;margin-bottom:16px}.answer-footer{display:flex;align-items:flex-start;flex-direction:column;gap:10px;border-top:1px solid #2A2D3A;padding-top:12px;margin-top:4px}.model-badge{align-self:flex-end;font-size:.7rem;color:#8b92a5;background:#1a1d27;border:1px solid #2A2D3A;border-radius:6px;padding:2px 8px;font-family:Inter,system-ui,sans-serif}.disclaimer{font-size:.78rem;color:#8b92a5;font-style:italic;text-align:center;width:100%}.error-card{border-color:#f8717159}.error-text{color:#f87171;font-size:.9rem}.health-section{margin-top:40px;opacity:.5}.health-section:hover{opacity:.8;transition:opacity .2s}.health-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#8b92a5;margin-bottom:8px}.health-card{padding:12px 16px}.health-card p{font-family:Courier New,monospace;font-size:.78rem;line-height:1.8}.label{color:#8b92a5}.value-ok{color:#34d399;font-weight:600}.value-time{color:#6c63ff}.loading-txt{color:#8b92a5;font-style:italic;font-size:.85rem}.auth-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}.auth-card{width:100%;max-width:420px;padding:36px 32px;display:flex;flex-direction:column;gap:14px}.auth-logo{height:60px;width:auto;display:block;margin:0 auto 4px}.auth-heading{font-size:1.3rem;font-weight:700;text-align:center;color:#f0f4ff;margin:0}.auth-sub{font-size:.85rem;color:#8b92a5;text-align:center;margin:0}.auth-tabs{display:flex;gap:0;background:#13151e;border-radius:8px;padding:3px;border:1px solid #2A2D3A}.auth-tab-btn{flex:1;background:transparent;border:none;border-radius:6px;padding:8px 12px;color:#8b92a5;font-size:.875rem;font-family:Inter,system-ui,sans-serif;font-weight:500;cursor:pointer;transition:background .15s,color .15s}.auth-tab-btn.active{background:#2a2d3a;color:#f0f4ff}.auth-input{width:100%;background:#13151e;border:1px solid #2A2D3A;border-radius:10px;padding:12px 14px;color:#f0f4ff;font-family:Inter,system-ui,sans-serif;font-size:.9rem;outline:none;transition:border-color .15s}.auth-input::placeholder{color:#8b92a5}.auth-input:focus{border-color:#4a9eff;box-shadow:0 0 0 3px #4a9eff1a}.auth-input:disabled{opacity:.6}.auth-btn-primary{width:100%;background:#4a9eff;color:#fff;border:none;border-radius:10px;padding:12px;font-family:Inter,system-ui,sans-serif;font-size:.9rem;font-weight:600;cursor:pointer;transition:background .15s,transform .1s}.auth-btn-primary:hover:not(:disabled){background:#3a8eef;transform:scale(1.01)}.auth-btn-primary:disabled{opacity:.6;cursor:not-allowed}.auth-btn-google{width:100%;background:#1a1d27;color:#f0f4ff;border:1px solid #2A2D3A;border-radius:10px;padding:11px;font-family:Inter,system-ui,sans-serif;font-size:.9rem;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:background .15s,border-color .15s}.auth-btn-google:hover:not(:disabled){background:#13151e;border-color:#4a9eff}.auth-btn-google:disabled{opacity:.6;cursor:not-allowed}.auth-divider{display:flex;align-items:center;gap:12px;margin:2px 0}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:#2a2d3a}.auth-divider span{color:#8b92a5;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em}.auth-error{color:#f87171;font-size:.82rem;margin:-4px 0}.auth-success{color:#34d399;font-size:.82rem;margin:-4px 0}.password-wrap{position:relative;width:100%}.password-input{padding-right:42px;width:100%}.password-eye{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:#8b92a5;cursor:pointer;padding:2px;display:flex;align-items:center;justify-content:center;transition:color .15s}.password-eye:hover{color:#f0f4ff}.signup-success-block{display:flex;flex-direction:column;gap:0}.resend-block{display:flex;flex-direction:column;gap:6px;margin-top:12px;padding:12px 14px;background:#13151e;border:1px solid #2A2D3A;border-radius:8px}.resend-hint{font-size:.78rem;color:#8b92a5;font-style:italic}.resend-label{font-size:.78rem;color:#8b92a5;margin-top:4px}.auth-forgot-link{background:none;border:none;color:#4a9eff;font-size:.8rem;font-family:Inter,system-ui,sans-serif;cursor:pointer;text-align:center;padding:0;margin-top:-4px}.auth-forgot-link:hover{text-decoration:underline}.user-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding:10px 14px;background:#1a1d27;border:1px solid #2A2D3A;border-radius:10px}.user-info{display:flex;align-items:center;gap:10px}.user-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover}.user-avatar-placeholder{width:28px;height:28px;border-radius:50%;background:#4a9eff;color:#fff;font-size:.8rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.user-email{font-size:.82rem;color:#8b92a5;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.signout-btn{background:transparent;border:1px solid #2A2D3A;border-radius:7px;color:#8b92a5;font-size:.78rem;font-family:Inter,system-ui,sans-serif;padding:5px 12px;cursor:pointer;transition:border-color .15s,color .15s}.signout-btn:hover{border-color:#4a9eff;color:#f0f4ff}.app-tabs{display:flex;gap:0;background:#13151e;border-radius:8px;padding:3px;border:1px solid #2A2D3A;margin-bottom:24px;width:fit-content}.app-tab-btn{background:transparent;border:none;border-radius:6px;padding:7px 20px;color:#8b92a5;font-size:.875rem;font-family:Inter,system-ui,sans-serif;font-weight:500;cursor:pointer;transition:background .15s,color .15s;min-width:72px}.app-tab-btn.active{background:#2a2d3a;color:#f0f4ff}.session-loading{min-height:100vh;display:flex;align-items:center;justify-content:center}.history-section{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}.history-card{padding:16px 20px;cursor:pointer;transition:border-color .15s}.history-card:hover{border-color:#4a9eff}.history-card-header{display:flex;flex-direction:column;gap:8px}.history-query-text{font-size:.95rem;color:#f0f4ff;line-height:1.5}.history-query-text.clamped{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.history-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.history-time{font-size:.75rem;color:#8b92a5}.history-expand-icon{font-size:.65rem;color:#8b92a5;margin-left:auto}.history-answer{margin-top:14px;padding-top:14px;border-top:1px solid #2A2D3A}.history-empty{color:#8b92a5;font-size:.9rem;text-align:center;padding:32px 0}.skeleton-card{height:80px;background:#1a1d27;border:1px solid #2A2D3A;border-radius:12px;animation:skeleton-pulse 1.5s ease-in-out infinite}@keyframes skeleton-pulse{0%,to{opacity:.4}50%{opacity:.7}}@media(max-width:480px){#root{padding:32px 16px 48px}.auth-card{padding:28px 20px}}.chat-layout{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;background:#0f1117;overflow:hidden}.sidebar{width:260px;flex-shrink:0;background:#13151e;border-right:1px solid #2A2D3A;display:flex;flex-direction:column;overflow:hidden;transition:width .2s ease}.sidebar.sidebar-hidden{width:0}.sidebar-header{display:flex;align-items:center;gap:10px;padding:16px;border-bottom:1px solid #2A2D3A;flex-shrink:0}.sidebar-logo{height:28px;width:auto;flex-shrink:0}.sidebar-brand{font-size:.9rem;font-weight:700;color:#f0f4ff;white-space:nowrap;overflow:hidden}.new-chat-btn{margin:10px;padding:10px 14px;background:transparent;border:1px solid #2A2D3A;border-radius:8px;color:#c4c9d8;font-family:Inter,system-ui,sans-serif;font-size:.85rem;font-weight:500;cursor:pointer;text-align:left;white-space:nowrap;overflow:hidden;flex-shrink:0;transition:background .15s,border-color .15s,color .15s}.new-chat-btn:hover{background:#1a1d27;border-color:#4a9eff;color:#f0f4ff}.conv-list{flex:1;overflow-y:auto;overflow-x:hidden;padding:4px 8px 16px}.conv-item{display:flex;align-items:center;gap:6px;padding:9px 8px;border-radius:7px;cursor:pointer;position:relative;border-left:2px solid transparent;transition:background .12s}.conv-item:hover{background:#1a1d27}.conv-item.active{background:#1a1d27;border-left-color:#4a9eff}.conv-title{flex:1;font-size:.82rem;color:#c4c9d8;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.conv-item.active .conv-title{color:#f0f4ff}.conv-delete{opacity:0;background:none;border:none;color:#6b7280;cursor:pointer;padding:3px;border-radius:4px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:opacity .12s,color .12s}.conv-item:hover .conv-delete{opacity:1}.conv-delete:hover{color:#f87171}.conv-empty{font-size:.8rem;color:#6b7280;padding:12px 8px;font-style:italic}.conv-skeleton{height:36px;background:#1a1d27;border-radius:7px;margin:4px 0;animation:skeleton-pulse 1.5s ease-in-out infinite}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:99}.chat-main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.chat-header{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid #2A2D3A;background:#0f1117;flex-shrink:0}.sidebar-toggle{background:none;border:none;color:#8b92a5;cursor:pointer;padding:6px;border-radius:6px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:color .15s,background .15s}.sidebar-toggle:hover{color:#f0f4ff;background:#1a1d27}.thread{flex:1;overflow-y:auto;padding:24px 20px;display:flex;flex-direction:column;gap:12px}.thread-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:40px 20px;color:#8b92a5}.thread-empty h2{font-size:1.4rem;font-weight:700;color:#f0f4ff;letter-spacing:-.02em}.thread-empty p{font-size:.95rem}.thread-logo{height:64px;width:auto;opacity:.75}.thread-loading{display:flex;align-items:center;justify-content:center;padding:48px 0}.message{display:flex;flex-direction:column;max-width:82%}.message.user{align-self:flex-end}.message.assistant{align-self:flex-start}.message-bubble{padding:14px 18px;border-radius:18px;line-height:1.7}.message.user .message-bubble{background:#4a9eff;color:#fff;border-bottom-right-radius:4px}.message.assistant .message-bubble{background:#1a1d27;border:1px solid #2A2D3A;color:#f0f4ff;border-bottom-left-radius:4px}.message-text{font-size:.97rem;white-space:pre-wrap;margin:0}.answer-content{font-size:.97rem;line-height:1.7;color:#f0f4ff}.answer-content p{margin-bottom:.75rem}.answer-content p:last-child{margin-bottom:0}.answer-content strong{color:#f0f4ff;font-weight:600}.answer-content em{font-style:italic}.answer-content ul,.answer-content ol{padding-left:1.5rem;margin-bottom:.75rem}.answer-content li{margin-bottom:.25rem}.answer-content code{background:#0f1117;padding:2px 6px;border-radius:4px;font-family:Courier New,monospace;font-size:.85em;color:#c4c9d8}.answer-content pre{background:#0f1117;border:1px solid #2A2D3A;border-radius:8px;padding:14px 16px;overflow-x:auto;margin-bottom:.75rem}.answer-content pre code{background:none;padding:0;font-size:.88em}.answer-content a{color:#4a9eff;text-decoration:none}.answer-content a:hover{text-decoration:underline}.answer-content h1,.answer-content h2,.answer-content h3{color:#f0f4ff;font-weight:600;margin-bottom:.5rem;margin-top:1rem;line-height:1.3}.answer-content h1{font-size:1.15rem}.answer-content h2{font-size:1.05rem}.answer-content h3{font-size:.98rem}.answer-content blockquote{border-left:3px solid #2A2D3A;padding-left:1rem;color:#8b92a5;margin:.5rem 0 .75rem;font-style:italic}.answer-content hr{border:none;border-top:1px solid #2A2D3A;margin:1rem 0}.message-footer{display:flex;align-items:flex-start;flex-wrap:wrap;gap:8px;margin-top:12px;padding-top:10px;border-top:1px solid #2A2D3A}.chat-input-bar{padding:12px 20px 16px;border-top:1px solid #2A2D3A;background:#0f1117;flex-shrink:0}.chat-error{margin-bottom:8px;font-size:.85rem}.chat-input-row{display:flex;gap:10px;align-items:stretch}.chat-input{flex:1;background:#1a1d27;border:1px solid #2A2D3A;border-radius:12px;padding:13px 16px;color:#f0f4ff;font-family:Inter,system-ui,sans-serif;font-size:.95rem;outline:none;transition:border-color .15s;min-width:0}.chat-input::placeholder{color:#8b92a5}.chat-input:focus{border-color:#4a9eff;box-shadow:0 0 0 3px #4a9eff1f}.chat-input:disabled{opacity:.6}.chat-send-btn{background:#4a9eff;color:#fff;border:none;border-radius:12px;padding:13px 22px;font-family:Inter,system-ui,sans-serif;font-size:.95rem;font-weight:600;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:background .15s,transform .1s}.chat-send-btn:hover:not(:disabled){background:#3a8eef;transform:scale(1.02)}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed}@media(max-width:768px){.sidebar-overlay{display:block}.sidebar{position:absolute;left:0;top:0;bottom:0;z-index:100;width:260px!important;transition:transform .25s ease;transform:translate(0);box-shadow:4px 0 20px #0006}.sidebar.sidebar-hidden{transform:translate(-100%);box-shadow:none}.thread{padding:16px 12px}.message{max-width:92%}.chat-input-bar{padding:10px 12px 14px}}.model-responses{margin-top:14px;border-top:1px solid #2A2D3A;padding-top:10px}.model-responses-toggle{background:none;border:none;cursor:pointer;padding:0;width:100%;text-align:left;font-family:Inter,system-ui,sans-serif}.model-badges-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.model-time-badge{font-size:.72rem;color:#8b92a5;background:#13151e;border:1px solid #2A2D3A;border-radius:5px;padding:2px 8px;white-space:nowrap}.synthesis-badge{font-size:.72rem;color:#a78bfa;background:#a78bfa1a;border:1px solid rgba(167,139,250,.25);border-radius:5px;padding:2px 8px;white-space:nowrap}.expand-hint{font-size:.72rem;color:#4a9eff;margin-left:auto;white-space:nowrap}.model-panels{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.model-panel{background:#13151e;border:1px solid #2A2D3A;border-radius:8px;padding:12px 14px;overflow:hidden}.model-panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid #2A2D3A}.model-panel-header span:first-child{font-size:.78rem;font-weight:600;color:#c4c9d8}.model-panel-ms{font-size:.7rem;color:#8b92a5;font-family:Courier New,monospace}.model-panel-content{font-size:.88rem!important;line-height:1.6!important;max-height:320px;overflow-y:auto}@media(max-width:640px){.model-panels{grid-template-columns:1fr}}.user-bubble-wrap{position:relative;display:inline-flex;flex-direction:column;align-items:flex-end;gap:4px}.edit-pencil-btn{position:absolute;top:7px;right:9px;opacity:0;transition:opacity .15s;background:#2a2d3a;border:1px solid #3A3D4A;border-radius:6px;color:#c4c9d8;padding:4px 6px;cursor:pointer;display:flex;align-items:center;z-index:1}.user-bubble-wrap:hover .edit-pencil-btn{opacity:1}.edit-pencil-btn:hover{background:#3a3d4a;color:#f0f4ff}.edit-mode-container{display:flex;flex-direction:column;gap:8px;width:100%;max-width:560px}.edit-textarea{width:100%;background:#1a1d27;border:1px solid #4A9EFF;border-radius:12px;padding:12px 14px;color:#f0f4ff;font-family:Inter,system-ui,sans-serif;font-size:.95rem;resize:vertical;min-height:70px;outline:none;line-height:1.6;box-shadow:0 0 0 3px #4a9eff1f}.edit-actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}.edit-save-btn{background:#4a9eff;color:#fff;border:none;border-radius:8px;padding:7px 14px;font-size:.85rem;font-weight:600;font-family:Inter,system-ui,sans-serif;cursor:pointer;transition:background .15s}.edit-save-btn:hover:not(:disabled){background:#3a8eef}.edit-save-btn:disabled{opacity:.5;cursor:not-allowed}.edit-cancel-btn{background:transparent;color:#8b92a5;border:1px solid #2A2D3A;border-radius:8px;padding:7px 14px;font-size:.85rem;font-family:Inter,system-ui,sans-serif;cursor:pointer;transition:border-color .15s,color .15s}.edit-cancel-btn:hover{border-color:#4a9eff;color:#f0f4ff}.edit-revert-btn{background:transparent;color:#f87171;border:1px solid rgba(248,113,113,.35);border-radius:8px;padding:7px 14px;font-size:.85rem;font-family:Inter,system-ui,sans-serif;cursor:pointer;transition:border-color .15s,background .15s}.edit-revert-btn:hover{border-color:#f87171;background:#f8717114}.edited-badge-wrap{position:relative}.edited-badge{background:transparent;border:none;color:#8b92a5;font-size:.7rem;font-family:Inter,system-ui,sans-serif;cursor:pointer;padding:0;line-height:1}.edited-badge:hover{color:#c4c9d8;text-decoration:underline}.edit-popover{position:absolute;right:0;bottom:calc(100% + 8px);background:#1a1d27;border:1px solid #2A2D3A;border-radius:10px;padding:12px 14px;min-width:240px;max-width:340px;z-index:20;display:flex;flex-direction:column;gap:8px;box-shadow:0 4px 20px #00000073}.edit-popover-original{font-size:.78rem;color:#8b92a5;padding-bottom:8px;border-bottom:1px solid #2A2D3A;line-height:1.5}.edit-popover-original strong{color:#c4c9d8;font-weight:600}.edit-popover-row{display:flex;flex-direction:column;gap:2px}.edit-popover-ver{font-size:.7rem;font-weight:600;color:#c4c9d8;text-transform:uppercase;letter-spacing:.04em}.edit-popover-text{font-size:.78rem;color:#8b92a5;line-height:1.4}.edit-popover-time{font-size:.7rem;color:#6b7280}