pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}.hljs{color:#c9d1d9;background:#0d1117}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#ff7b72}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#d2a8ff}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#79c0ff}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#a5d6ff}.hljs-built_in,.hljs-symbol{color:#ffa657}.hljs-comment,.hljs-code,.hljs-formula{color:#8b949e}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#7ee787}.hljs-subst{color:#c9d1d9}.hljs-section{color:#1f6feb;font-weight:700}.hljs-bullet{color:#f2cc60}.hljs-emphasis{color:#c9d1d9;font-style:italic}.hljs-strong{color:#c9d1d9;font-weight:700}.hljs-addition{color:#aff5b4;background-color:#033a16}.hljs-deletion{color:#ffdcd7;background-color:#67060c}:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;color-scheme:light;--bg: #f9f9f6;--sidebar: #f0f1ed;--surface: #fff;--hover: #e9ebe5;--line: #e1e3dc;--text: #252b25;--muted: #697163;--accent: #344e3d;--accent-soft: #e3eddf;--shadow: 0 8px 30px #263b2110;--error: #a03a32;--code: #20242a}:root[data-theme=dark]{color-scheme:dark;--bg: #17181c;--sidebar: #121317;--surface: #202226;--hover: #2b2e32;--line: #303337;--text: #e8eae3;--muted: #a0a79b;--accent: #b5caaa;--accent-soft: #2c392c;--shadow: 0 8px 30px #0002;--error: #f09f94;--code: #111418}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;border:0;background:none}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}input,select,textarea{color:var(--text)}input,textarea{background:var(--surface)}a{color:inherit}textarea{resize:vertical}h1,h2,p{margin-top:0}.muted{color:var(--muted)}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:650;color:var(--muted)}.brand-mark{display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);border-radius:12px;width:42px;height:42px}.brand-dot{color:var(--accent)}.icon-button{display:inline-flex;justify-content:center;align-items:center;flex-shrink:0;width:36px;height:36px;border-radius:8px;color:var(--muted)}.icon-button:hover{background:var(--hover);color:var(--text)}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 18px;border-radius:9px;font-size:13px;font-weight:600}.primary{background:var(--accent);color:var(--bg)}.secondary{border:1px solid var(--line);background:var(--surface)}.full{width:100%}.mobile-only{display:none}.text-button{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:12px;padding:8px 0}.loading-screen{min-height:100dvh;display:grid;place-content:center;justify-items:center;gap:20px;background:var(--bg);color:var(--muted)}.login-page{min-height:100dvh;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;color:var(--text)}.login-brand{display:flex;align-items:center;gap:12px;font-size:30px;font-weight:650;letter-spacing:-1px;margin-bottom:38px}.login-card{max-width:410px;width:100%;padding:32px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.login-card h1{font-size:30px;font-weight:500;letter-spacing:-1px;margin:14px 0 10px}.login-card>.muted{font-size:13px;line-height:1.6;margin-bottom:26px}label{display:flex;flex-direction:column;gap:9px;font-size:12px;font-weight:550;margin-bottom:18px}label input,label select,label textarea{border:1px solid var(--line);border-radius:8px;padding:12px;background:var(--bg);width:100%;font-size:14px;font-weight:400;line-height:1.5}.login-footnote{text-align:center;font-size:11px;color:var(--muted);margin:20px 0 0}.powered{font-size:9px;letter-spacing:1.8px;color:var(--muted);margin:30px 0 0}.demo-note{font-size:11px;line-height:1.6;background:var(--accent-soft);padding:10px;border-radius:6px;margin:18px 0 0}.error-text{color:var(--error);font-size:12px;line-height:1.6}.workspace{height:100dvh;display:flex;overflow:hidden;background:var(--bg);color:var(--text)}aside{width:270px;flex-shrink:0;display:flex;flex-direction:column;background:var(--sidebar);border-right:1px solid var(--line);padding:26px 16px 0}.sidebar-brand{display:flex;align-items:center;gap:11px;font-size:27px;font-weight:650;letter-spacing:-1px;padding:0 9px 30px}.sidebar-brand .brand-mark{width:35px;height:35px;border-radius:10px}.sidebar-brand .mobile-only{margin-left:auto}.new-chat{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:12px;font-size:12px;font-weight:550;text-align:left}.new-chat:hover{border-color:var(--muted)}.shortcut{margin-left:auto;color:var(--muted);font-size:16px}.history-heading{display:flex;justify-content:space-between;font-size:9px;letter-spacing:1.1px;color:var(--muted);padding:28px 10px 14px}.history-heading span:last-child{letter-spacing:0}.search-input{width:100%;border:1px solid var(--line);background:var(--bg);border-radius:7px;padding:9px;font-size:12px;margin-bottom:12px}nav{flex:1;overflow-y:auto;min-height:0;scrollbar-width:thin}.chat-link{width:100%;display:flex;align-items:center;gap:10px;text-align:left;font-size:12px;color:var(--muted);padding:12px 10px;border-radius:8px;margin:3px 0}.chat-link svg{flex-shrink:0}.chat-link span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-link:hover{background:var(--hover);color:var(--text)}.chat-link.active{background:var(--accent-soft);color:var(--accent)}.history-empty{color:var(--muted);font-size:12px;line-height:1.8;padding:8px 10px;max-width:185px}.more-history{padding:12px}.sidebar-bottom{padding:14px 0 calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--line);margin-top:16px}.sidebar-setting{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--muted);padding:12px 8px;width:100%;border-radius:8px}.sidebar-setting:hover{background:var(--hover)}.profile{display:flex;align-items:center;gap:10px;margin-top:15px;padding:0 5px}.profile strong{font-size:12px;font-weight:550}.profile small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.profile .icon-button{margin-left:auto}.avatar{display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;width:33px;height:33px;background:var(--surface);font-size:12px;color:var(--accent)}.chat-main{display:flex;flex-direction:column;flex:1;min-width:0;height:100%}.topbar{height:76px;flex-shrink:0;display:flex;align-items:center;gap:12px;padding:0 35px;border-bottom:1px solid var(--line)}.topbar-title{display:flex;align-items:center;gap:12px;min-width:0;font-size:12px}.topbar-title>span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.private-badge{border:1px solid var(--line);color:var(--muted);font-size:8px;letter-spacing:1px;padding:4px 6px;border-radius:4px}.topbar-actions{display:flex;margin-left:auto;gap:2px}.message-scroller{overflow-y:auto;flex:1;min-height:0;overscroll-behavior:contain;scrollbar-width:thin}.loading-chat{text-align:center;font-size:13px;color:var(--muted);padding:70px}.welcome{max-width:780px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:50px 35px 55px}.welcome-symbol{color:var(--accent);margin-bottom:24px}.welcome .eyebrow{font-size:9px;letter-spacing:2.3px}.welcome h1{font-size:clamp(30px,3vw,43px);letter-spacing:-1.8px;font-weight:450;margin:15px 0 17px}.welcome>p{font-size:13px;line-height:1.9;color:var(--muted);margin-bottom:37px}.suggestions{width:100%;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.suggestions button{position:relative;border:1px solid var(--line);padding:18px 15px;border-radius:10px;text-align:left;background:var(--surface);transition:border-color .15s,transform .15s}.suggestions button:hover{border-color:var(--accent);transform:translateY(-2px)}.suggestions span{font-size:12px;display:block;margin-bottom:9px;font-weight:550}.suggestions small{font-size:10px;color:var(--muted)}.suggestions svg{position:absolute;right:12px;top:17px;color:var(--muted)}.messages{width:min(100%,820px);margin:auto;padding:36px 36px 16px}.message{margin-bottom:35px;min-width:0;overflow-wrap:anywhere}.message-label{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:11px;color:var(--muted)}.message-label strong{font-weight:600;color:var(--text)}.effort-label{font-size:9px;text-transform:capitalize;border-left:1px solid var(--line);padding-left:8px}.mini-mark{color:var(--accent);display:flex}.user-text{white-space:pre-wrap;font-size:14px;line-height:1.8}.from-user{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-left:35px}.from-user .message-label{margin-bottom:6px}.message-images{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}.message-images a{display:block;max-width:100%}.message-images img{width:auto;height:auto;max-width:min(100%,240px);max-height:200px;object-fit:contain;border-radius:8px;background:var(--hover);border:1px solid var(--line);display:block}.markdown{font-size:14px;line-height:1.85;min-width:0}.markdown>*:first-child{margin-top:0}.markdown>*:last-child{margin-bottom:0}.markdown p{margin-bottom:16px}.markdown h1,.markdown h2,.markdown h3,.markdown h4{line-height:1.4;font-weight:600;margin:25px 0 12px;letter-spacing:-.4px}.markdown h1{font-size:24px}.markdown h2{font-size:20px}.markdown h3{font-size:17px}.markdown a{color:var(--accent);text-underline-offset:3px}.markdown blockquote{border-left:3px solid var(--accent);margin:16px 0;padding:3px 18px;color:var(--muted)}.markdown ul,.markdown ol{padding-left:23px}.markdown li{padding-left:3px;margin:5px 0}.markdown hr{border:0;border-top:1px solid var(--line);margin:24px 0}.markdown :not(pre)>code{background:var(--hover);padding:2px 5px;border-radius:4px;font-size:.9em;overflow-wrap:anywhere}.code-block{border:1px solid var(--line);border-radius:9px;overflow:hidden;margin:18px 0;background:var(--code);color:#e6edf3}.code-heading{padding:7px 13px;display:flex;justify-content:space-between;align-items:center;font-size:10px;background:#ffffff05;border-bottom:1px solid #ffffff0e;color:#a8b3a6}.code-heading button{font-size:10px;min-height:28px;min-width:42px;color:#c6d3c1}.markdown pre{overflow-x:auto;max-width:100%;padding:16px;margin:0;white-space:pre;tab-size:2;line-height:1.65;font-size:12px}.markdown pre code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.markdown table{display:block;overflow-x:auto;border-collapse:collapse;font-size:12px;margin:20px 0;max-width:100%}.markdown th,.markdown td{border:1px solid var(--line);padding:9px 12px;text-align:left}.markdown th{background:var(--hover)}.copy-response{display:flex;align-items:center;gap:6px;font-size:10px;color:var(--muted);margin-top:15px;padding:5px 0}.copy-response:hover{color:var(--accent)}.thinking{display:flex;align-items:center;gap:4px;padding:14px 0;color:var(--muted)}.thinking>span{width:4px;height:4px;border-radius:50%;background:var(--accent);animation:pulse 1.3s ease-in-out infinite}.thinking>span:nth-child(2){animation-delay:.2s}.thinking>span:nth-child(3){animation-delay:.4s}.thinking small{font-size:10px;margin-left:7px}.response-notice{font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:13px}.response-notice span{line-height:1.6}.response-notice .text-button{flex-shrink:0}.composer-area{width:min(100%,820px);margin:0 auto;padding:10px 35px calc(18px + env(safe-area-inset-bottom));flex-shrink:0}.composer-box{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:15px 13px 10px}.composer-box:focus-within{border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}.composer-box textarea{border:0;outline:none;background:transparent;resize:none;width:100%;min-height:42px;max-height:180px;padding:4px 3px 10px;font-size:14px;line-height:1.6;overflow-y:auto}.composer-box textarea::placeholder{color:var(--muted)}.composer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:7px}.composer-options{display:flex;align-items:center;min-width:0;gap:7px}.toolbar-divider{height:17px;border-left:1px solid var(--line);margin:0 1px}.composer-options select{border:0;border-radius:6px;background:transparent;font-size:11px;font-weight:500;max-width:180px;padding:7px 4px;cursor:pointer;color:var(--muted)}.composer-options select:hover{background:var(--hover);color:var(--text)}.composer-options option,.composer-options optgroup{background:var(--surface);color:var(--text)}.composer-options .model-select{color:var(--text)}.send-button{display:grid;place-items:center;border-radius:9px;width:35px;height:35px;background:var(--accent);color:var(--bg);flex-shrink:0}.send-button:disabled{background:var(--hover);color:var(--muted);opacity:1}.stop-button{background:var(--accent-soft);color:var(--accent)}.composer-footnote{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:9px;padding:12px 3px 0}.composer-footnote>span:last-child{font-size:8px;letter-spacing:1.1px;display:flex;align-items:center;gap:6px}.connection-dot{width:4px;height:4px;display:inline-block;border-radius:50%;background:var(--accent)}.attachment-tray{display:flex;gap:8px;margin:0 2px 12px}.attachment-preview{position:relative}.attachment-preview img{width:62px;height:62px;object-fit:cover;border:1px solid var(--line);border-radius:7px}.attachment-preview button{position:absolute;right:-4px;top:-4px;width:23px;height:23px;background:var(--text);color:var(--bg);border-radius:50%;display:grid;place-items:center}.toast{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;line-height:1.6;border-radius:9px;padding:6px 10px;margin-bottom:10px;background:var(--surface);border:1px solid var(--line)}.error-toast{color:var(--error)}.status-notice{font-size:11px;color:var(--muted);padding:0 3px 10px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.settings-dialog{width:calc(100% - 32px);max-width:540px;max-height:calc(100dvh - 50px);border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--text);padding:28px;box-shadow:0 25px 80px #0004}.settings-dialog::backdrop{background:#080d0b88;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;gap:20px;margin-bottom:20px}.dialog-heading h2{font-size:25px;font-weight:500;margin:8px 0;letter-spacing:-.7px}.settings-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:15px}.settings-description{font-size:11px;line-height:1.7}.dialog-footer{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}@keyframes pulse{0%,80%,to{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}@media(min-width:1500px){aside{width:290px}.welcome{padding-bottom:80px}}@media(max-width:1000px){aside{width:235px;padding-inline:12px}.topbar{padding-inline:22px}.welcome{padding-inline:25px}.suggestions{gap:8px}.suggestions button{padding:16px 12px}.suggestions small{font-size:9px}.suggestions svg{display:none}.composer-area,.messages{padding-inline:24px}}@media(max-width:760px){.mobile-only{display:inline-flex}aside{position:fixed;left:0;top:0;bottom:0;z-index:30;width:285px;transform:translate(-100%);transition:transform .2s ease;padding-top:22px}aside.open{transform:translate(0)}.sidebar-backdrop{position:fixed;inset:0;background:#080d0b88;z-index:29}.topbar{height:64px;padding:0 12px;gap:8px}.topbar-title{font-size:12px}.private-badge{display:none}.icon-button{width:42px;height:42px}.topbar-actions{gap:0}.topbar-actions .icon-button{width:35px}.welcome{padding:35px 22px 30px}.welcome h1{font-size:34px}.welcome-symbol{margin-bottom:20px}.welcome>p{font-size:13px;margin-bottom:26px}.suggestions{grid-template-columns:1fr;gap:8px;max-width:370px}.suggestions button{padding:14px 17px}.suggestions span{font-size:13px;margin-bottom:5px}.suggestions small{font-size:11px}.suggestions svg{display:block;top:23px}.composer-area{padding:8px 12px calc(10px + env(safe-area-inset-bottom))}.composer-box{padding:10px 9px 7px}.composer-box textarea{font-size:16px;min-height:46px}.composer-options{gap:2px}.toolbar-divider{margin-right:4px}.composer-options select{font-size:12px;min-height:42px;padding:7px 2px}.model-select{max-width:146px!important}.effort-select{max-width:108px!important}.attach-button{width:32px}.send-button{width:40px;height:40px}.composer-footnote{font-size:8px;padding-top:9px}.messages{padding:25px 18px 8px}.message{margin-bottom:28px}.from-user{margin-left:14px;padding:15px 16px}.markdown,.user-text{font-size:15px}.message-label{font-size:12px}.effort-label{font-size:10px}.copy-response{min-height:40px;font-size:11px}.code-heading button{min-height:36px}.chat-link{font-size:13px;min-height:44px}.new-chat{min-height:46px}.sidebar-setting{font-size:12px}label input,label select,label textarea{font-size:16px}.settings-dialog{padding:23px}.settings-grid{grid-template-columns:1fr;gap:0}.settings-description{font-size:12px}.login-card{padding:26px}.login-card label{font-size:13px}}@media(max-width:390px){.composer-options select{font-size:11px}.model-select{max-width:128px!important}.effort-select{max-width:95px!important}.toolbar-divider{display:none}.welcome h1{font-size:30px}}@media(max-height:700px)and (max-width:760px){.welcome{padding-top:22px}.welcome-symbol{display:none}.welcome>p{margin-bottom:18px}.suggestions button{padding-block:10px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}