:root{color-scheme:light;--paper:#fff;--ink:#252b28;--muted:#777d79;--line:#e7eae7;--soft:#f6f7f5;--accent:#536b5f;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--paper);color:var(--ink);font-size:14px;line-height:1.55}a{color:inherit}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}button,a,input,textarea,select{outline-offset:4px}button{border:0}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent)}.header{height:76px;padding:0 30px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:36px;background:white}.brand{display:flex;gap:10px;align-items:center;letter-spacing:.13em;font-weight:750;font-size:18px;text-decoration:none}.brand span{font-size:26px;color:var(--accent);font-weight:400}.header nav{display:flex;gap:4px}.header nav a{padding:7px 13px;font-size:13px;color:var(--muted);text-decoration:none;border-radius:7px}.header nav a[aria-current]{background:var(--soft);color:var(--ink);font-weight:600}.header-actions{display:flex;gap:14px;align-items:center;margin-inline-start:auto}.header select{border:1px solid var(--line);border-radius:7px;background:white;font-size:12px;padding:7px}.account{font-size:11px;color:var(--muted);max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace{display:grid;grid-template-columns:228px minmax(0,1fr);min-height:calc(100dvh - 76px)}.workspace.context-open{grid-template-columns:228px minmax(0,1fr) 285px}.history{background:#fafbf9;border-inline-end:1px solid var(--line);padding:25px 17px;display:flex;flex-direction:column;gap:15px;min-width:0}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}.panel-heading h2{margin:0;font-size:13px;font-weight:600}.new-chat{border:1px solid #dde3de;display:flex;gap:9px;align-items:center;padding:9px 12px;border-radius:9px;text-align:start;background:white;font-size:13px}.new-chat:hover,.quiet-button:hover{background:var(--soft)}.search{width:100%;padding:9px 10px;background:#fff;border:1px solid var(--line);border-radius:8px;font-size:12px;min-width:0}.recent{display:flex;flex-direction:column;gap:4px}.chat-item{display:block;text-decoration:none;border-radius:8px;padding:10px;overflow:hidden}.chat-item:hover{background:#f0f2ee}.chat-item[aria-current]{background:#ecf0eb}.chat-item-title{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.chat-item time{display:block;font-size:10px;color:var(--muted);margin-top:4px}.sidebar-note{font-size:11px;color:var(--muted);margin-block-start:auto;padding-top:28px}.legacy{border-top:1px solid var(--line);padding-top:16px;font-size:11px}.legacy h3{font-size:12px}.legacy summary{cursor:pointer}.legacy label{display:flex;gap:6px;align-items:start;margin:8px 0;overflow-wrap:anywhere}.legacy .quiet-button{margin-top:12px;font-size:11px}main{display:flex;flex-direction:column;min-width:0;min-height:calc(100dvh - 76px);padding:0 32px 20px}.chat-toolbar{display:flex;align-items:center;gap:12px;min-height:65px;border-bottom:1px solid #f0f2ef}.chat-heading{display:flex;gap:12px;align-items:center;min-width:0}.chat-heading h1{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:600;max-width:380px}.toolbar-actions{display:flex;gap:18px;margin-inline-start:auto;flex-shrink:0}.text-button{background:transparent;color:var(--muted);padding:6px 0;font-size:12px;text-align:start}.text-button:hover{color:var(--ink);text-decoration:underline}.quiet-button{background:white;border:1px solid var(--line);border-radius:7px;padding:7px 11px;text-decoration:none;font-size:12px}.notice{font-size:11px;text-align:center;color:var(--muted);margin:17px auto 0}.transcript{width:100%;max-width:740px;margin:0 auto;flex:1;padding-top:25px}.welcome{padding:clamp(40px,11vh,115px) 0 50px;text-align:center;margin:auto;max-width:530px}.welcome-mark{color:var(--accent);font-size:37px;line-height:1}.welcome h2{font-size:clamp(26px,3vw,37px);font-weight:450;letter-spacing:-.04em;line-height:1.2;margin:22px 0 13px}.welcome p{font-size:14px;color:var(--muted);max-width:350px;margin:0 auto}.examples{display:flex;justify-content:center;gap:10px;margin-top:28px;flex-wrap:wrap}.example{border:1px solid var(--line);background:white;border-radius:9px;padding:9px 13px;font-size:12px;color:#59635c}.example:hover{background:var(--soft)}.message{max-width:90%;margin-bottom:27px;overflow-wrap:anywhere}.message.user{margin-inline-start:auto;background:var(--soft);border-radius:14px;padding:13px 17px;width:fit-content}.speaker{font-size:10px;color:var(--muted);margin-bottom:7px;font-weight:650;letter-spacing:.07em}.message-body{white-space:pre-wrap;line-height:1.8}.message.assistant{padding:0 3px}.composer-area{width:100%;max-width:740px;margin:0 auto;position:sticky;bottom:0;background:var(--paper);padding-top:12px}.composer{display:flex;gap:12px;align-items:flex-end;padding:14px 14px 12px 18px;border:1px solid #dbe0db;border-radius:15px;box-shadow:0 4px 20px #25362a04;background:#fff}.composer:focus-within{border-color:#8d9e90}.composer textarea{width:100%;resize:vertical;min-height:48px;max-height:180px;background:none;border:0;outline:none;padding:2px;line-height:1.6;unicode-bidi:plaintext;text-align:start}.send{background:var(--ink);color:white;border-radius:8px;padding:9px 13px;font-size:12px;flex-shrink:0}.composer-hint{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:10px;margin:9px 3px 0}.feedback,.error{font-size:12px;margin:5px 3px 8px}.feedback{min-height:18px;color:var(--muted)}.error{color:#8c473c}.references{display:flex;gap:8px;flex-wrap:wrap}.reference{display:flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:9px;padding:8px 10px;background:#fafbf9;font-size:11px;max-width:100%}.reference-title{max-width:195px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reference time{font-size:9px;color:var(--muted);display:block}.reference a{font-size:10px}.icon-button{background:transparent;padding:3px 6px;font-size:20px;line-height:1;color:var(--muted)}.context{border-inline-start:1px solid var(--line);padding:24px 20px;min-width:0}.context section{margin-top:23px;padding-top:20px;border-top:1px solid var(--line)}.context h3{font-size:11px;font-weight:650;margin:0 0 9px}.muted,.empty{font-size:12px;color:var(--muted)}.memory,.task{margin:12px 0;font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}.memory strong{font-size:10px;display:block;font-weight:500;color:var(--muted)}.task small{display:block;color:var(--muted)}.artifact{border:1px solid var(--line);border-radius:7px;font-size:12px;margin:10px 0}.artifact summary{padding:9px;cursor:pointer}.artifact pre{padding:0 9px 9px;margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;max-height:300px;overflow:auto}.source-choice{display:flex;gap:7px;font-size:12px;align-items:start;margin-bottom:10px;overflow-wrap:anywhere}.context-preview{font-size:11px;border:1px solid var(--line);border-radius:7px;padding:10px;margin-top:12px;max-height:360px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere}.context-preview h4{font-size:12px;margin:0 0 5px}.context-preview p{margin:9px 0}.context-preview time{font-size:10px;color:var(--muted)}.rename-panel,.copy-fallback{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding-top:13px;font-size:12px}.rename-panel input,.copy-fallback input{min-width:0;flex:1;padding:7px;border:1px solid var(--line);border-radius:6px}.copy-fallback input{width:100%;font-size:11px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}#show-history,.drawer-close{display:none}.scrim{position:fixed;inset:76px 0 0;background:#17241c25;z-index:9}
@media(max-width:1180px){.workspace.context-open{grid-template-columns:210px minmax(0,1fr)}.history{padding-inline:13px}.workspace{grid-template-columns:210px minmax(0,1fr)}.context{position:fixed;inset-block:76px 0;inset-inline-end:0;width:min(320px,90vw);background:white;overflow-y:auto;z-index:10}.chat-heading h1{max-width:230px}main{padding-inline:24px}.account{max-width:150px}.header{gap:25px}}
@media(max-width:760px){.header{height:68px;padding-inline:18px;gap:18px}.header nav a{padding:6px 8px}.brand{font-size:16px;gap:6px}.brand span{font-size:22px}.header-actions{gap:8px}.account{display:none}.header select{max-width:77px}.workspace,.workspace.context-open{display:block;min-height:calc(100dvh - 68px)}.history{display:none;position:fixed;inset-block:68px 0;inset-inline-start:0;width:min(295px,90vw);overflow-y:auto;z-index:10}.history.is-open{display:flex}.context{inset-block-start:68px}main{min-height:calc(100dvh - 68px);padding-inline:18px;padding-bottom:15px}.chat-toolbar{flex-wrap:wrap;gap:6px 14px;padding-block:10px}.chat-heading{order:3;width:100%}.chat-heading h1{max-width:calc(100vw - 140px)}.toolbar-actions{gap:13px}.text-button{font-size:11px}#show-history,.drawer-close{display:block}.notice{font-size:10px;text-align:start}.welcome{padding-top:50px}.message{max-width:96%}.composer{padding-inline:12px}.composer-hint{font-size:9px}.composer-hint span:last-child{display:none}.scrim{inset-block-start:68px}.header #sign-in{font-size:10px;padding:6px}.welcome h2{font-size:30px}}
@media(max-width:520px){.header{padding-inline:12px;gap:8px}.brand{font-size:14px;letter-spacing:.07em}.brand span{display:none}.header nav{gap:0}.header nav a{font-size:12px;padding:6px 8px}.header-actions{flex-direction:column;gap:3px;align-items:flex-end}.header select{padding:4px;font-size:11px}.header #sign-in{font-size:9px;padding:3px 5px;white-space:nowrap}}
.identity-warning{max-width:520px;margin:100px auto;padding:24px;color:var(--muted);font-size:14px;text-align:center}
.runtime-details{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:4px 13px;color:var(--muted);font-size:10px;margin:7px auto 0;max-width:740px}.runtime-model{max-width:100%;overflow-wrap:anywhere}.runtime-amount{white-space:nowrap}.runtime-reset{opacity:.8}.message-sources{display:flex;align-items:baseline;flex-wrap:wrap;gap:5px 9px;font-size:11px;color:var(--muted);margin-top:11px}.source-link{text-underline-offset:3px;overflow-wrap:anywhere}.context-permission{padding-block-end:12px;border-block-end:1px solid var(--line);margin-block-end:14px}.context-permission input{accent-color:var(--accent);margin-top:3px}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Keep every navigation destination reachable on narrow screens. */
.header nav{min-width:0;overflow-x:auto;white-space:nowrap}.header nav a{flex-shrink:0}

.workflow-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-block:8px 12px}.workflow-bar label{font-size:12px;color:var(--muted)}.workflow-bar select{max-width:min(100%,380px);min-width:150px;border:1px solid var(--line);border-radius:8px;padding:7px;background:var(--paper);text-align:start}.workflow-bar p{margin:0;flex-basis:100%;font-size:11px;color:var(--muted)}.workflow-runs{width:min(100%,850px);margin-inline:auto}.workflow-card{border:1px solid var(--line);border-radius:12px;padding:15px;margin-block:12px;background:#fbfcfa;font-size:12px}.workflow-card-head{display:flex;justify-content:space-between;gap:16px;margin-block-end:12px}.workflow-state{color:var(--accent)}.workflow-card .quiet-button{display:inline-block;margin-block:4px;margin-inline-end:8px}.workflow-steps{padding-inline-start:20px;color:var(--muted)}.workflow-active{color:var(--accent);font-weight:650}.workflow-arguments{overflow:auto;max-height:200px;background:white;border-radius:7px;padding:10px;text-align:left}.workflow-error{font-size:12px;color:#8d4139}.workflow-card p{overflow-wrap:anywhere}

/* The transcript owns scrolling; the composer always occupies its own row. */
:root{--muted:#626c65}
body{height:100dvh;overflow:hidden;display:flex;flex-direction:column}
.header{height:58px;min-height:58px;padding-inline:24px;gap:28px;flex-shrink:0}
.brand{font-size:16px}.brand span{font-size:23px}
.workspace,.workspace.context-open{height:calc(100dvh - 58px);min-height:0;flex:1;overflow:hidden}
.history,.context{min-height:0;overflow-y:auto}.history{padding-block:20px}
main{height:100%;min-height:0;overflow:hidden;padding:0 28px 16px}
main>*{flex-shrink:0}.chat-toolbar{min-height:58px}.notice{margin:10px auto 0;min-height:17px}.runtime-details{min-height:17px;margin-block:3px 0;font-variant-numeric:tabular-nums}
.transcript{min-height:0;flex:1 1 0;max-width:none;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding:28px max(12px,calc((100% - 740px)/2)) 18px;scroll-padding-block:24px}
.welcome{padding-block:clamp(24px,6vh,64px);max-width:530px}.welcome h2{font-size:32px}
.composer-area{position:static;flex-shrink:0;padding-top:10px;border-top:1px solid var(--line)}
.workflow-bar{margin-block:0 8px;gap:6px 10px}.workflow-bar label{font-size:11px}.workflow-bar select{padding:6px 9px;font-size:12px}.workflow-bar p{font-size:10px;line-height:1.5}
.feedback{min-height:18px;margin-block:3px 6px}.composer textarea{min-height:42px;max-height:min(150px,20dvh)}
.workflow-card{margin-block:10px;padding:14px}.workflow-card-head{align-items:baseline}.workflow-steps{line-height:1.9}
.scrim{inset-block-start:58px}
@media(max-width:1180px){.context{inset-block-start:58px}}
@media(max-width:760px){.header{height:60px;min-height:60px;padding-inline:12px;gap:10px}.workspace,.workspace.context-open{height:calc(100dvh - 60px);min-height:0}.history,.context,.scrim{inset-block-start:60px}main{min-height:0;padding-inline:16px;padding-bottom:10px}.transcript{padding:20px 0 12px}.chat-toolbar{min-height:64px}.welcome{padding-block:24px}.welcome h2{font-size:27px}.runtime-details{font-size:9px;gap:2px 9px}.workflow-bar p{display:none}.workflow-bar select{min-width:0;flex:1;max-width:100%}.composer-hint{margin-block-start:6px}.composer textarea{max-height:100px}.notice{margin-block-start:6px}.composer-area{padding-top:8px}}
@media(max-height:600px){.welcome-mark{display:none}.welcome{padding-block:10px}.welcome h2{margin-block:8px;font-size:24px}.examples{margin-block-start:14px}.runtime-details{display:none}.composer textarea{min-height:30px}.composer{padding-block:8px}.workflow-bar{margin-block-end:4px}.workflow-bar p{display:none}}
/* Long linked-chat lists/errors remain reachable without pushing Send offscreen. */
.composer-area{max-height:50dvh;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}
.references{max-height:100px;overflow-y:auto;margin-block-end:4px}