:root{--ink:#172027;--ink-soft:#44515a;--muted:#53636d;--line:#dbe3e7;--line-strong:#b8cad3;--surface:#f4f7f8;--paper:#fff;--cyan:#26cbe5;--blue:#3f7eb7;--primary:#2f689a;--primary-hover:#24557f;--violet:#582881;--selection:#eef8fb;--error:#8b3535;--error-bg:#fff2f1;--success:#286347;--radius:8px;color:var(--ink);background:var(--surface);font-family:"Avenir Next","Segoe UI",Helvetica,Arial,sans-serif;font-size:15px;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,textarea,select{font:inherit;color:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.52}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}button:active:not(:disabled){transform:translateY(1px)}a{color:var(--primary)}svg{fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}h1,h2,h3,p{margin-top:0}h1{font-size:28px;font-weight:650;letter-spacing:-.025em;line-height:1.25;text-wrap:balance}h2{font-size:20px;letter-spacing:-.015em}p{line-height:1.6}small{font-size:12px}button{transition:background-color .16s ease-out,color .16s ease-out}button.primary{border:0;background:var(--primary);color:white}.primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:10px 16px;border-radius:var(--radius);font-weight:600;font-size:14px}.primary:hover:not(:disabled){background:var(--primary-hover)}.secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:8px 12px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--paper);font-size:13px;font-weight:600}.secondary:hover:not(:disabled){background:var(--selection);border-color:var(--blue)}.full{width:100%}.icon-button{width:36px;height:36px;display:inline-grid;place-items:center;border:0;border-radius:var(--radius);background:transparent;color:var(--muted);flex-shrink:0}.icon-button:hover{background:var(--selection);color:var(--primary)}.text-button{display:inline-flex;align-items:center;gap:7px;border:0;padding:8px 5px;background:transparent;color:var(--primary);font-size:12px;font-weight:600}.text-button svg{width:16px;height:16px}.text-button:hover:not(:disabled){color:var(--violet);text-decoration:underline}.eyebrow{font-size:13px;font-weight:600;color:var(--primary);margin-bottom:13px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:16px;background:var(--paper);padding:12px;z-index:100}.skip-link:focus{top:12px}.loading-screen{display:grid;min-height:100dvh;place-content:center;justify-items:center;gap:24px;color:var(--muted)}.loading-content{padding:40px;color:var(--muted)}
.shell{display:flex;height:100dvh;overflow:hidden}.rail{display:flex;flex-direction:column;width:194px;flex-shrink:0;border-right:1px solid var(--line);background:var(--paper);padding:0 12px}.brand{height:77px;display:flex;align-items:center;gap:9px;text-decoration:none;padding:0 8px;flex-shrink:0}.brand img{width:129px;height:auto;display:block}.brand>span{font-size:13px;color:var(--violet);font-weight:700;border-left:1px solid var(--line-strong);padding-left:9px}.rail nav{padding-top:24px;display:grid;gap:8px}.nav-item{display:flex;align-items:center;gap:11px;min-height:46px;padding:10px 11px;width:100%;text-align:left;border:0;border-radius:var(--radius);background:transparent;color:var(--ink-soft);font-size:13px;font-weight:550;text-decoration:none;line-height:1.4}.nav-item:hover{background:var(--surface);color:var(--primary)}.nav-item.selected{background:var(--selection);color:var(--primary);font-weight:650}.nav-item.selected svg{color:var(--primary)}.rail-bottom{margin-top:auto;display:grid;gap:7px;padding-bottom:17px}.identity{margin-top:18px;padding:17px 0 0;border-top:1px solid var(--line);display:flex;align-items:center;gap:8px}.avatar{width:29px;height:29px;border-radius:50%;background:#f1eaf7;color:var(--violet);display:grid;place-items:center;font-weight:650;font-size:12px;flex-shrink:0}.identity>div{flex:1;min-width:0}.identity strong{display:block;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.identity small{color:var(--muted);font-size:10px}.identity .icon-button{width:29px}.area{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{height:77px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 28px;border-bottom:1px solid var(--line);background:var(--paper);font-size:14px;font-weight:600}.topbar>div{display:flex;align-items:center;gap:10px}.topbar-note{font-size:12px;color:var(--muted);font-weight:400;display:flex;align-items:center;gap:16px}.version{font-size:11px;border:1px solid var(--line);padding:4px 8px;border-radius:5px}.preview-banner{font-size:12px;padding:7px 16px;background:#fff4d8;color:#68511b;flex-shrink:0}.work-layout{display:flex;min-height:0;flex:1}.context{width:250px;flex-shrink:0;border-right:1px solid var(--line);padding:25px 17px 18px;display:flex;flex-direction:column;min-height:0;background:#f7f9fa}.context-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;font-size:13px}.count{color:var(--muted);font-weight:400;font-size:12px}.search{position:relative;display:block;margin:16px 0}.search svg{position:absolute;left:10px;top:12px;width:16px;height:16px;color:var(--muted)}.search input{width:100%;height:40px;padding:9px 9px 9px 34px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);font-size:12px}.search input::placeholder{color:var(--muted)}.history{overflow-y:auto;min-height:0;flex:1}.history-item{display:block;text-align:left;width:100%;padding:13px 11px;margin-bottom:5px;border:0;border-radius:var(--radius);background:transparent}.history-item:hover{background:#eaf0f3}.history-item.current{background:#e4f3f7}.history-item strong{display:block;font-size:12px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item span{display:block;margin-top:5px;color:var(--muted);font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.context-empty{font-size:12px;color:var(--muted);padding:13px 4px;line-height:1.7}.context-footer{display:flex;gap:9px;padding-top:20px;margin-top:20px;border-top:1px solid var(--line);color:var(--muted)}.context-footer svg{width:15px;height:15px;margin-top:3px}.context-footer p{font-size:11px;line-height:1.6;margin:0}.context-toggle{display:none}.workspace{flex:1;min-width:0;min-height:0;background:var(--paper);outline:0}
.chat-workspace{height:100%;display:flex;flex-direction:column}.assistant-header{display:flex;align-items:center;gap:12px;padding:21px 28px 19px;flex-shrink:0}.assistant-emblem{width:39px;height:39px;background:var(--selection);border-radius:10px;display:grid;place-items:center;color:var(--primary)}.assistant-header>div:nth-child(2){min-width:0}.assistant-header select{font-size:15px;font-weight:650;border:0;background:transparent;padding:1px 18px 1px 0;max-width:100%}.assistant-header p{font-size:11px;color:var(--muted);margin:3px 0 0;line-height:1.5}.private-label{margin-left:auto;font-size:10px;color:var(--muted);white-space:nowrap}.conversation{flex:1;min-height:0;overflow:auto;padding:0 32px;scroll-behavior:smooth}.chat-welcome{max-width:575px;margin:auto;padding:clamp(20px,6vh,76px) 12px 40px;text-align:center}.welcome-mark{object-fit:contain;display:block;margin:0 auto 25px}.chat-welcome .eyebrow{color:var(--violet);font-size:12px;margin-bottom:12px}.chat-welcome h1{font-size:32px;margin:0 0 13px;letter-spacing:-.03em}.welcome-description{font-size:14px;line-height:1.7;color:var(--muted);margin-bottom:30px}.prompt-list{display:flex;flex-direction:column;text-align:left;gap:0;max-width:470px;margin:auto}.prompt-list button{display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;font-size:13px;line-height:1.5;background:transparent;border:0;border-top:1px solid var(--line);padding:15px 3px;color:var(--ink-soft)}.prompt-list button:last-child{border-bottom:1px solid var(--line)}.prompt-list button svg{color:var(--primary);width:16px;height:16px}.prompt-list button:hover{background:var(--selection);color:var(--primary)}.message{max-width:720px;margin:25px auto 30px}.message-label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--primary);font-weight:650;margin-bottom:12px}.message-label svg{width:16px;height:16px}.message.user{background:var(--surface);border-radius:12px;padding:17px 21px}.message.user .message-label{color:var(--muted);margin-bottom:7px}.prose{font-size:14px;line-height:1.75;overflow-wrap:anywhere}.prose p{white-space:pre-wrap;margin:0 0 15px;line-height:inherit}.prose p:last-child{margin-bottom:0}.prose h3{font-size:16px;margin:24px 0 10px}.prose code{font-size:12px;background:var(--surface);padding:2px 4px;border-radius:3px}.copy-message{margin-top:11px}.thinking{display:flex;align-items:center;gap:10px;max-width:720px;margin:20px auto;font-size:13px;color:var(--muted)}.thinking span{width:7px;height:7px;background:var(--blue);border-radius:50%;animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{50%{opacity:.3}}.composer-area{flex-shrink:0;padding:10px 32px 20px;max-width:850px;width:100%;margin:auto}.composer-area form{display:flex;align-items:flex-end;gap:10px;border:1px solid var(--line-strong);border-radius:12px;padding:13px;background:var(--paper)}.composer-area form:focus-within{border-color:var(--primary)}.composer-area textarea{border:0;outline:0!important;resize:vertical;min-height:48px;max-height:160px;flex:1;width:0;padding:4px;font-size:14px;line-height:1.6;background:transparent}.composer-area textarea::placeholder{color:var(--muted)}.send{width:39px;height:39px;min-height:39px;padding:0;border-radius:8px}.composer-note{font-size:10px;color:var(--muted);line-height:1.55;margin:9px 2px 0}.composer-note span{display:block;margin-top:2px}.error{padding:12px 14px;border:1px solid #e8c5c2;border-radius:var(--radius);background:var(--error-bg);color:var(--error);font-size:13px;line-height:1.5;margin:0 0 14px}.error[hidden]{display:none}.notice{display:flex;align-items:center;gap:8px;padding:10px 0;color:var(--success);font-size:13px;line-height:1.5;margin-bottom:8px}.notice svg{width:17px;height:17px}.retry-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);margin:0 0 12px}
.studio-brief{width:290px;overflow-y:auto}.studio-brief .context-head{margin-bottom:12px}.studio-brief form{flex-shrink:0}label{display:grid;gap:7px;font-size:12px;font-weight:600;color:var(--ink-soft)}input,select,textarea{border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--paper);padding:11px 12px;min-width:0}input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}textarea{resize:vertical;line-height:1.6}.studio-brief label{margin-bottom:17px}.studio-brief select,.studio-brief input,.studio-brief textarea{width:100%;font-size:13px;font-weight:400}.studio-brief textarea{min-height:130px}.field-hint{font-size:11px;line-height:1.6;color:var(--muted);margin-top:-6px;margin-bottom:18px}.saved-head{display:flex;align-items:center;justify-content:space-between;margin:30px 0 10px;padding-top:22px;border-top:1px solid var(--line)}.saved-head h2{font-size:12px;font-weight:600;margin:0}.saved-head span{font-size:11px;color:var(--muted)}.studio-brief .history{flex:0 0 auto;max-height:300px;min-height:80px}.studio-workspace{height:100%;overflow-y:auto;background:var(--surface);padding:32px;display:flex;flex-direction:column}.studio-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}.studio-heading .eyebrow{font-size:12px;margin-bottom:9px;color:var(--violet)}.studio-heading h1{font-size:25px;margin:0 0 7px}.studio-heading p:last-child{font-size:13px;color:var(--muted);margin:0}.draft-badge{font-size:11px;color:var(--muted);line-height:1.5;text-align:right}.document{background:var(--paper);border:1px solid var(--line);border-radius:12px;display:flex;flex:1;flex-direction:column;min-height:430px}.document-toolbar{padding:15px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line)}.document-toolbar input{border:0;padding:7px 0;min-width:0;flex:1;font-weight:600;font-size:16px;background:transparent}.document-toolbar .primary{font-size:12px;min-height:38px;padding:8px 12px;white-space:nowrap}.document-toolbar .primary svg{width:16px;height:16px}.document-meta{display:flex;justify-content:space-between;gap:20px;padding:19px 27px 0;color:var(--muted);font-size:11px}.document-meta span:first-child{color:var(--violet);font-weight:600}.document>textarea{flex:1;width:100%;min-height:310px;border:0;border-radius:0;padding:28px;font-size:15px;line-height:1.85;resize:vertical;background:transparent}.document>textarea:focus-visible{outline-offset:-4px}.document-footer{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 21px;font-size:11px;color:var(--muted)}.document-footer>div{display:flex;gap:15px}.studio-note{font-size:11px;line-height:1.6;color:var(--muted);margin:15px 1px 0}.knowledge-page{height:100%;overflow:auto;padding:42px 6%;max-width:1040px}.knowledge-page h1{font-size:30px;line-height:1.3;margin-bottom:17px}.knowledge-page .lead{max-width:65ch;color:var(--muted);font-size:14px}.knowledge-page dl{margin-top:36px}.knowledge-page dl>div{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:21px 0;border-top:1px solid var(--line);font-size:14px;line-height:1.7}.knowledge-page dt{color:var(--muted);font-size:12px;font-weight:600}.knowledge-page dd{margin:0}.knowledge-page dd small{display:block;margin-top:8px;color:var(--muted);line-height:1.6}.knowledge-page ul{margin:0;padding-left:18px}.knowledge-page a{display:flex;gap:8px;align-items:center;font-size:13px;padding:4px 0}.knowledge-page a svg{width:13px;height:13px}.knowledge-limit{margin-top:22px;padding:24px;background:var(--selection);border-radius:12px}.knowledge-limit h2{font-size:16px}.knowledge-limit p{font-size:13px;max-width:70ch}.knowledge-limit p:last-child{margin-bottom:0}
.login-page{display:grid;grid-template-columns:1.1fr 1fr;min-height:100dvh}.login-intro{display:flex;flex-direction:column;background:var(--surface);padding:32px 7vw}.login-intro .brand{padding:0}.login-intro .brand img{width:164px}.login-copy{margin:auto 0;padding:70px 0}.login-copy h1{font-size:36px;line-height:1.3;letter-spacing:-.03em;margin:0 0 23px}.login-copy>p:not(.eyebrow){font-size:15px;line-height:1.8;max-width:44ch;color:var(--muted)}.login-features{display:flex;gap:30px;margin-top:35px;padding-top:27px;border-top:1px solid var(--line)}.login-features span{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--primary)}.login-foot{font-size:11px;color:var(--muted);margin:0}.login-panel{display:grid;place-items:center;background:var(--paper);padding:50px 30px}.login-panel form{width:100%;max-width:345px}.login-panel h2{font-size:27px;margin:0 0 10px}.login-panel form>p:not(.eyebrow){color:var(--muted);font-size:13px}.login-panel label{margin-top:25px;font-size:13px}.login-panel input{min-height:47px;font-size:14px}.login-panel .primary{width:100%;justify-content:space-between;margin-top:28px;min-height:47px}.login-panel .fine-print{font-size:11px!important;line-height:1.7;margin-top:22px}.login-panel .error{margin-top:20px;color:var(--error)!important}
@media(min-width:1650px){.rail{width:216px}.context{width:280px}.studio-brief{width:325px}.chat-welcome{padding-top:8vh}.conversation{padding:0 8%}.composer-area{max-width:920px}}
@media(max-width:1180px){.rail{width:170px;padding:0 9px}.brand img{width:111px}.brand>span{padding-left:7px}.context{width:215px;padding:21px 13px}.studio-brief{width:260px}.private-label{display:none}.topbar{padding:0 22px}.studio-workspace{padding:24px}.studio-heading{align-items:flex-start}.draft-badge{max-width:90px}.document-toolbar{padding:13px}.document-toolbar .primary{padding:8px}.document-toolbar .primary svg{display:none}.identity strong{font-size:11px}.identity small{font-size:9px}}
@media(max-width:960px){.context-toggle{display:inline-grid}.context{display:none}.show-context .context{display:flex;width:260px}.show-context .workspace{display:none}.show-context .context{flex:1;border:0}.topbar-note{font-size:11px}.topbar-note .version{display:none}.studio-heading{gap:12px}.composer-area{padding:10px 24px 17px}.conversation{padding:0 24px}.knowledge-page{padding:30px}.studio-brief .history{max-height:none;flex:1}.chat-welcome{padding-top:5vh}}
@media(max-width:640px){.shell{flex-direction:column}.rail{width:100%;height:auto;flex-shrink:0;padding:0 14px;display:flex;flex-direction:row;border-right:0;border-bottom:1px solid var(--line);align-items:center}.brand{height:62px;padding:0;gap:6px}.brand img{width:94px}.brand>span{font-size:11px;padding-left:6px}.rail nav{display:flex;padding:0;margin-left:auto;gap:5px}.nav-item{padding:8px;min-height:42px;gap:6px;width:auto;font-size:11px}.rail nav .nav-item svg{width:17px;height:17px}.rail-bottom{display:none}.topbar{height:49px;padding:0 14px;font-size:12px}.topbar-note{font-size:10px}.topbar-note::after{content:""}.preview-banner{font-size:10px;padding:5px 14px}.assistant-header{padding:17px 18px;gap:9px}.assistant-emblem{width:32px;height:32px;border-radius:8px}.assistant-header select{font-size:14px}.assistant-header p{font-size:10px;max-width:38ch}.conversation{padding:0 18px}.chat-welcome{padding:28px 0}.welcome-mark{width:46px;height:46px;margin-bottom:19px}.chat-welcome h1{font-size:28px}.welcome-description{font-size:12px;margin-bottom:24px}.prompt-list button{font-size:12px;padding:13px 2px;gap:12px}.composer-area{padding:8px 14px 12px}.composer-area textarea{font-size:16px;min-height:46px}.composer-area form{padding:9px}.composer-note{font-size:9px}.composer-note span{display:none}.message{margin-top:15px;margin-bottom:24px}.message.user{padding:14px 16px}.prose{font-size:14px}.studio-workspace{padding:22px 15px}.studio-heading{margin-bottom:22px}.studio-heading h1{font-size:23px}.studio-heading p:last-child{font-size:12px}.studio-heading .eyebrow{font-size:11px}.draft-badge{font-size:10px;max-width:78px}.document{min-height:450px}.document-toolbar{flex-wrap:wrap;gap:8px}.document-toolbar input{font-size:15px;width:100%;flex:1 1 100%}.document-toolbar .primary{margin-left:auto}.document-meta{padding:16px 18px 0;font-size:10px}.document>textarea{padding:23px 18px;font-size:16px;line-height:1.7}.document-footer{padding:10px 13px}.document-footer>div{gap:8px}.document-footer .text-button{font-size:11px}.studio-note{font-size:10px}.knowledge-page{padding:26px 20px}.knowledge-page h1{font-size:25px}.knowledge-page dl>div{grid-template-columns:1fr;gap:7px;padding:16px 0}.knowledge-limit{padding:18px}.login-page{grid-template-columns:1fr}.login-intro{padding:10px 24px}.login-intro .brand{height:64px}.login-intro .brand img{width:132px}.login-copy,.login-foot{display:none}.login-panel{padding:42px 25px;align-items:start}.login-panel h2{font-size:26px}.retry-row{font-size:11px}.show-context .context{padding:20px}.show-context .context .history-item strong{font-size:14px}.show-context .context .history-item span{font-size:11px}.studio-brief input,.studio-brief textarea,.studio-brief select{font-size:16px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.mobile-tools{display:none!important}
@media(max-height:800px){.chat-welcome{padding-top:22px;padding-bottom:20px}.welcome-mark{width:44px;height:44px;margin-bottom:16px}.welcome-description{margin-bottom:20px}.chat-welcome h1{font-size:28px}.prompt-list button{padding-top:12px;padding-bottom:12px}}
@media(max-width:640px){.mobile-tools{display:flex!important;gap:4px}.topbar-note{display:none}.composer-note{font-size:11px}.identity small{font-size:11px}.history-item span{font-size:11px}.preview-banner{font-size:11px}}