:root{--bg:#f5f6f8;--side:#eaecf0;--card:#ffffff;--text:#252a32;--muted:#717986;--line:#d9dde3;--accent:#7b8490;--hover:#e1e4e9;--code:#eaecf0;font-family:'Segoe UI',Arial,sans-serif;color:var(--text);background:var(--bg);color-scheme:light}*{box-sizing:border-box}body{margin:0;height:100dvh;display:flex;overflow:hidden}body.dark{--bg:#17191d;--side:#111317;--card:#22252b;--text:#e6e8ed;--muted:#a0a7b3;--line:#383d46;--hover:#2b3038;--code:#111318;color-scheme:dark}button,input,select,textarea{font:inherit}button{cursor:pointer;color:inherit;border:1px solid var(--line);background:transparent;border-radius:7px;padding:8px 12px;transition:background .15s,transform .15s}button:hover{background:var(--hover)}button:active{transform:scale(.97)}button:disabled{opacity:.4;cursor:default}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}.icon{border:0;padding:6px 8px;font-size:19px;line-height:1.3;color:var(--muted)}aside{width:255px;flex-shrink:0;display:flex;flex-direction:column;padding:24px 14px 12px;background:var(--side);transition:width .2s}.brand-row{display:flex;justify-content:space-between;align-items:center;margin:0 5px 25px}.brand{font-family:Georgia,serif;font-weight:bold;font-size:26px;letter-spacing:-1px;color:var(--text);text-decoration:none}.brand span{font-weight:normal;margin-left:7px;color:var(--accent);font-size:27px}.nav-new{display:flex;align-items:center;gap:9px;font-size:13px;text-align:left;background:var(--card);border-color:var(--line)}.nav-new span{font-size:20px;line-height:20px}kbd{margin-left:auto;font-family:inherit;font-size:9px;color:var(--muted);border:1px solid var(--line);padding:2px 4px;border-radius:3px}.search{display:flex;gap:10px;align-items:center;padding:12px 9px;color:var(--muted);font-size:22px}.search input{width:100%;min-width:0;background:transparent;border:0;font-size:12px;color:var(--text);outline:none}.sidebar-caption{font-size:11px;color:var(--muted);padding:16px 10px 10px}nav{overflow:auto;flex:1}nav>div{display:flex;align-items:center;border-radius:6px;margin:2px 0}nav>div.active{background:var(--hover)}nav button{border:0;font-size:12px}nav .title{flex:1;min-width:0;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:10px}nav .delete{opacity:0;padding:6px;color:var(--muted)}nav>div:hover .delete,nav .delete:focus-visible{opacity:1}nav:empty:after{content:'As próximas conversas aparecem aqui.';display:block;font-size:11px;line-height:1.7;color:var(--muted);padding:10px}.sidebar-bottom{border-top:1px solid var(--line);margin-top:15px;padding-top:12px}.profile{width:100%;border:0;display:flex;align-items:center;gap:10px;padding:6px;font-size:12px;text-align:left}.avatar{border-radius:50%;background:#d3d7df;width:33px;height:33px;display:grid;place-items:center;color:#4c5562;font-size:10px}.profile small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.profile>span:last-child{margin-left:auto;color:var(--muted)}main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}header{height:64px;flex-shrink:0;display:flex;align-items:center;padding:14px 25px;gap:12px}#chat-title{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-actions{margin-left:auto;display:flex;align-items:center;gap:8px}#connection{font-size:10px;color:var(--muted);display:flex;gap:6px;align-items:center}#connection i{width:5px;height:5px;border-radius:50%;background:#959ba5}#connection.online i{background:#b4c3bc}.conversation{overflow:auto;flex:1;padding:25px max(28px,calc((100% - 760px)/2)) 20px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}#welcome{text-align:center;padding-top:9vh;animation:appear .5s ease}.greeting-mark{font-family:Georgia,serif;color:var(--accent);font-size:58px;line-height:1.2;animation:turn .7s ease}.overline{font-size:9px;letter-spacing:2px;color:var(--muted);margin:26px 0 14px}h1{font-family:Georgia,'Times New Roman',serif;font-size:clamp(30px,4vw,43px);font-weight:400;letter-spacing:-1.5px;margin:0 0 34px}.composer-area{padding:12px max(28px,calc((100% - 760px)/2)) 20px}main.empty .conversation{flex:0 1 auto}main.empty .composer-area{padding-top:0}form#form{border:1px solid #c8cdd5;background:var(--card);border-radius:19px;box-shadow:0 3px 12px #252a3209;padding:17px 17px 12px;transition:box-shadow .2s,border-color .2s}form#form:focus-within{border-color:#a1a9b5;box-shadow:0 4px 18px #252a320d}textarea{display:block;width:100%;background:transparent;border:0;resize:none;font-family:Georgia,'Times New Roman',serif;font-size:18px;line-height:1.6;color:var(--text);min-height:64px;max-height:240px;outline:none!important;overflow:auto}textarea::placeholder{color:#929aa7}.composer-tools{display:flex;align-items:center;gap:9px;margin-top:10px}.composer-tools>div{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.model-button{border:0;font-size:11px;text-align:left;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:85%;color:var(--muted);padding:6px}.model-button span{margin-left:8px}.send{background:var(--accent);color:#20252d;border:0;border-radius:9px;font-size:24px;line-height:24px;width:35px;height:35px;padding:4px}.send:hover{background:#c5cad3}#stop{font-size:14px}.composer-caption{font-size:10px;color:var(--muted);padding:10px 6px;display:flex;gap:8px;justify-content:center;align-items:center;line-height:1.5}#jump{font-size:10px;padding:3px 6px;white-space:nowrap}#starters{display:flex;justify-content:center;gap:8px;margin-top:7px}#starters button{background:var(--card);font-size:11px;padding:8px 12px;border-radius:8px;color:#7a8290}main:not(.empty) #starters{display:none}.message{margin:12px 0 30px;animation:appear .2s ease;font-family:Georgia,'Times New Roman',serif;font-size:18px;line-height:1.75;overflow-wrap:anywhere}.message.user{margin-left:50px;background:var(--side);padding:12px 18px;border-radius:14px;font-family:'Segoe UI',Arial,sans-serif;font-size:14px;white-space:pre-wrap}.assistant .message-body>p:first-child{margin-top:0}.message-body p{margin:10px 0 18px}.message-body h2,.message-body h3,.message-body h4{font-size:22px;line-height:1.4;font-weight:600;margin:24px 0 12px}.message-body ul,.message-body ol{padding-left:24px}.message-body blockquote{border-left:2px solid var(--accent);margin-left:0;padding-left:17px;color:var(--muted)}code{font-family:Consolas,monospace;font-size:.8em;background:var(--code);padding:2px 4px;border-radius:4px}.code-block{border:1px solid var(--line);border-radius:9px;overflow:hidden;margin:17px 0;background:var(--code)}.code-head{font:11px 'Segoe UI',sans-serif;padding:8px 13px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);color:var(--muted)}.code-head button{padding:3px 7px;font-size:10px}.code-block pre{padding:16px;margin:0;overflow:auto;line-height:1.65;white-space:pre;font:13px/1.7 Consolas,monospace}.code-block code{padding:0;background:transparent;font-size:inherit}.actions{display:flex;gap:4px;margin-top:12px}.actions button{border:0;font-size:11px;padding:4px 8px;color:var(--muted)}details{font-family:'Segoe UI',sans-serif;font-size:12px;color:var(--muted);margin:12px 0}details>div{white-space:pre-wrap;font-size:12px;line-height:1.7;padding:14px;background:var(--side);border-radius:8px;max-height:230px;overflow:auto}summary{cursor:pointer}.pending{font-family:'Segoe UI',sans-serif;font-size:12px;color:var(--muted);display:flex;gap:9px;align-items:center}.spinner{display:inline-block;color:var(--accent);font-size:25px;animation:pulse 1.7s infinite}.error{font-family:'Segoe UI',sans-serif;color:#c86e80;font-size:12px}.stats{font:10px 'Segoe UI',sans-serif;color:var(--muted);margin-top:9px}.file-chip{font-size:11px;border:1px solid var(--line);background:var(--side);border-radius:7px;padding:7px 10px;display:flex;align-items:center;gap:10px;margin-top:8px}.file-chip button{margin-left:auto;border:0;padding:0 5px}dialog{width:min(550px,94vw);border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:16px;padding:26px;max-height:90dvh;overflow:auto;box-shadow:0 25px 90px #0003}dialog::backdrop{background:#10131888;backdrop-filter:blur(4px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:10px}h2{font-family:Georgia,serif;font-size:24px;font-weight:400;margin:0}.muted{font-size:12px;color:var(--muted);line-height:1.6}dialog label{display:block;margin:17px 0;font-size:12px}dialog select,dialog input:not([type=checkbox]){display:block;width:100%;margin-top:8px;padding:10px;background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:7px;font-size:12px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.check{display:flex!important;align-items:center;gap:8px;flex-wrap:wrap}.check small{display:block;width:100%;color:var(--muted);margin-left:24px}.dialog-actions{display:flex;justify-content:space-between;gap:10px;margin-top:22px;font-size:12px}.primary{background:var(--accent);color:white;border:0}.security-note{margin-top:22px;padding-top:15px;border-top:1px solid var(--line);font-size:10px;color:var(--muted);line-height:1.7}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:12px 20px;background:var(--text);color:var(--bg);border-radius:10px;font-size:12px;z-index:10;box-shadow:0 4px 20px #0002}.sr-only{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden}body.collapsed aside{display:none}@keyframes appear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes turn{from{transform:rotate(-40deg);opacity:0}to{transform:rotate(0);opacity:1}}@keyframes pulse{50%{opacity:.35;transform:rotate(30deg)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}@media(max-width:900px){aside{width:220px}header{padding:13px 18px}.conversation{padding-left:22px;padding-right:22px}.composer-area{padding-left:22px;padding-right:22px}#welcome{padding-top:7vh}}@media(max-width:650px){aside{position:absolute;inset:0 auto 0 0;z-index:5;width:255px;box-shadow:15px 0 40px #0002}body:not(.mobile-open) aside{display:none}header{height:55px}#expand{display:block!important}#connection{display:none}.conversation{padding:18px 18px 10px}.composer-area{padding:10px 14px 12px}#welcome{padding-top:10vh}h1{font-size:32px}#starters{flex-wrap:wrap;gap:6px}#starters button{font-size:10px}.message{font-size:17px}.message.user{margin-left:25px}textarea{font-size:17px}.overline{font-size:8px}.greeting-mark{font-size:48px}nav .delete{opacity:1}}
body{background:var(--bg);color:var(--text)}
.conversation{overflow-anchor:none;min-height:0;overscroll-behavior:contain}.composer-caption{min-height:35px}#jump{position:absolute;bottom:180px;left:50%;transform:translateX(-50%);background:var(--card);box-shadow:0 3px 15px #0002;padding:8px 14px;z-index:2}
.knowledge-button{font-size:12px;text-align:left;border:0;padding:10px;color:var(--muted)}#memory-notes{font-family:inherit;font-size:13px;min-height:110px;border:1px solid var(--line);border-radius:7px;background:var(--card);padding:10px;margin-top:8px}details a{display:block;color:var(--accent);font-size:12px;margin:8px 0;overflow-wrap:anywhere}
.approval-card{font:12px/1.6 Segoe UI,sans-serif;border:1px solid var(--accent);background:var(--card);padding:16px;border-radius:12px;margin:18px 0}.approval-card h3{font-size:16px;margin:0 0 8px}.approval-card pre{max-height:250px;overflow:auto;background:var(--code);padding:12px;white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.6 Consolas,monospace}.approval-card p{overflow-wrap:anywhere}.approval-controls{display:flex;gap:10px;margin-top:12px}

body.dark{--accent:#d5d9e0}.brand{font-family:Segoe UI,Arial,sans-serif;font-weight:650;letter-spacing:-1.2px;font-size:24px}.brand .os-wordmark{display:inline-block;font:500 11px Segoe UI,sans-serif;letter-spacing:1px;color:var(--text);border:1px solid var(--line);border-radius:5px;padding:3px 5px;vertical-align:middle;margin-left:7px}.send,.primary{background:linear-gradient(145deg,#f1f2f4,#b8bfc9);color:#20252d;border:1px solid #c6cbd3}.send:hover,.primary:hover{background:linear-gradient(145deg,#ffffff,#c7ced8)}.greeting-mark{color:var(--accent)}
.research-status{font-size:10px;color:var(--muted);padding:5px 9px;background:var(--side)}@media(max-width:650px){.research-status{font-size:9px;max-width:130px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}}
.recall-button{font-size:10px;color:var(--muted);padding:5px 7px;white-space:nowrap}.recall-button[aria-pressed=true]{background:var(--hover);color:var(--text);border-color:var(--accent)}.topic-separator{border-top:1px dashed var(--line);padding:15px 0;margin:20px 0;text-align:center;font-size:11px;color:var(--muted)}@media(max-width:760px){.composer-tools>div{flex-wrap:wrap}.recall-button{font-size:9px}.header-actions{gap:2px}.header-actions .research-status{max-width:100px}}
.builder-link{display:flex;align-items:center;text-decoration:none;margin-bottom:8px;color:inherit;}