:root{--paper:#f7f8fa;--ink:#172b32;--muted:#62747a;--line:#dfe6e8;--green:#176b57;--light:#e7f2ed;--white:#fff;--danger:#a63333;font:15px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,select,textarea{outline-offset:3px}button{cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 14px;border-radius:8px;transition:background .15s}button:hover{background:#f0f4f3}button:disabled{opacity:.5;cursor:not-allowed}.primary{background:var(--green);border-color:var(--green);color:white}.primary:hover{background:#10523f}.ghost{background:transparent;border-color:transparent}.danger{color:var(--danger)}input,textarea,select{width:100%;background:white;border:1px solid #bcccd0;padding:10px 12px;border-radius:8px;color:var(--ink)}textarea{resize:vertical;min-height:96px}label{display:block;margin:14px 0 6px;font-size:14px;font-weight:600}label.check{display:flex;gap:9px;align-items:center;font-weight:400}.check input{width:auto}h1,h2,h3,p{margin-top:0}h1{font-size:32px;letter-spacing:-1px;line-height:1.2}h2{font-size:22px;letter-spacing:-.5px}h3{font-size:16px}a{color:var(--green)}small,.muted{color:var(--muted);font-size:13px}.eyebrow{font-size:11px;letter-spacing:1.8px;text-transform:uppercase;font-weight:700;color:var(--muted)}.brand{display:flex;gap:10px;align-items:center;font-size:20px;font-weight:700;letter-spacing:-.6px}.mark{height:32px;width:32px;border-radius:9px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:19px}.login-shell{min-height:100svh;display:grid;grid-template-columns:1fr 1fr}.login-story{background:#183b35;color:#fff;padding:clamp(30px,7vw,100px);display:flex;flex-direction:column;justify-content:space-between;gap:60px}.login-story .muted,.login-story .eyebrow{color:#a6c1b8}.login-story h1{font-size:clamp(35px,4vw,58px);max-width:520px;line-height:1.12;font-weight:550;letter-spacing:-2px}.login-story p{max-width:410px;color:#c5d9d1}.login-points{display:flex;gap:12px;flex-wrap:wrap}.tag{padding:5px 10px;border:1px solid #ffffff35;border-radius:30px;font-size:12px}.login-main{padding:32px;display:flex;align-items:center;justify-content:center}.login-card{max-width:390px;width:100%}.login-card h2{font-size:28px;margin-bottom:8px}.login-card .primary{width:100%;margin-top:18px}.login-card .google{width:100%;margin-top:24px}.divider{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);margin:22px 0}.divider:before,.divider:after{content:"";height:1px;background:var(--line);flex:1}.error{color:var(--danger);font-size:14px;margin-top:10px}.shell{height:100svh;display:grid;grid-template-columns:250px minmax(0,1fr) 300px;grid-template-rows:65px minmax(0,1fr)}.topbar{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:white;padding:0 24px;gap:12px}.topbar .account{display:flex;align-items:center;gap:12px;min-width:0}.account span{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{font-size:11px;background:var(--light);color:var(--green);padding:4px 9px;border-radius:20px;font-weight:600}.sidebar{padding:22px 14px;background:#f1f4f5;border-right:1px solid var(--line);overflow:auto;min-width:0}.sidebar .eyebrow{padding:0 10px;margin-bottom:12px}.sidebar select{margin-bottom:12px}.sidebar .new-chat{width:100%;text-align:left;background:white;margin-bottom:22px}.chat-list{display:flex;flex-direction:column;gap:5px}.chat-item{text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-color:transparent;background:transparent;width:100%;font-size:13px}.chat-item.active{background:#fff;border-color:var(--line);box-shadow:0 2px 4px #233b3b05;color:var(--green)}.sidebar-footer{border-top:1px solid var(--line);margin-top:30px;padding-top:14px;display:grid;gap:4px}.sidebar-footer button{text-align:left;font-size:13px}.workspace{min-width:0;display:flex;flex-direction:column;background:white;overflow:hidden}.workspace-head{padding:22px 28px 17px;border-bottom:1px solid #edf0f1;display:flex;align-items:center;justify-content:space-between;gap:12px}.workspace-head h2{font-size:17px;margin:0}.workspace-head p{font-size:12px;color:var(--muted);margin:3px 0 0}.messages{flex:1;overflow:auto;scroll-behavior:smooth;padding:26px 32px}.welcome{max-width:570px;margin:clamp(25px,9vh,100px) auto 20px}.welcome h1{font-size:31px;letter-spacing:-1px;margin:16px 0}.welcome p{color:var(--muted)}.suggestions{display:grid;gap:10px;grid-template-columns:1fr 1fr;margin-top:28px}.suggestions button{text-align:left;font-size:13px;min-height:75px;padding:14px;background:#fafcfc}.message{max-width:840px;margin:0 auto 25px;overflow-wrap:anywhere}.message .who{display:flex;gap:10px;align-items:center;font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.message.user .body{background:#edf5f1;padding:15px 18px;border-radius:12px}.message.event{font-size:12px;color:var(--muted);border-left:2px solid var(--line);padding-left:12px}.message .body p{margin:0 0 10px}.message pre{padding:15px;background:#18302d;color:#d6e9e0;border-radius:9px;overflow:auto;max-width:100%;font:12px/1.6 ui-monospace,monospace;white-space:pre}.message code{font:13px ui-monospace,monospace;background:#edf1f2;padding:2px 4px;border-radius:4px}.message pre code{background:none;padding:0;color:inherit}.message table{border-collapse:collapse;display:block;overflow:auto;max-width:100%;font-size:13px}.message td,.message th{border:1px solid var(--line);padding:8px;text-align:left}.message h1,.message h2,.message h3{font-size:18px;letter-spacing:0}.composer-wrap{padding:12px 28px 18px;background:white;border-top:1px solid var(--line)}.composer{border:1px solid #afc6bd;border-radius:12px;padding:10px 12px;box-shadow:0 3px 15px #173b3510}.composer textarea{border:0;padding:4px;min-height:65px;max-height:200px;resize:vertical;background:transparent;font-size:14px}.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}.composer select{width:auto;max-width:180px;padding:5px;font-size:12px;border:0}.composer .primary{padding:7px 16px}.assets{padding:22px 18px;background:#fafbfc;border-left:1px solid var(--line);overflow:auto;min-width:0}.assets h3{font-size:14px}.dropzone{display:block;text-align:center;border:1px dashed #b8c8c3;border-radius:10px;padding:22px 10px;font-size:13px;color:var(--green);background:#f4f8f6;cursor:pointer}.dropzone input{display:none}.file-list{margin-top:20px;display:grid;gap:10px}.file{border:1px solid var(--line);border-radius:9px;padding:11px;background:white;overflow:hidden}.file-name{font-size:13px;font-weight:600;overflow-wrap:anywhere}.file-meta{font-size:11px;color:var(--muted);margin:4px 0 7px}.file-actions{display:flex;gap:9px;align-items:center;font-size:12px}.file-actions button{font-size:12px;padding:3px 8px}.info-box{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:26px}.status{padding:7px 12px;background:#f3f7f5;border-radius:7px;font-size:12px;color:var(--green);margin:0 auto 15px;max-width:840px}.approval{padding:15px;border:1px solid #d6ac59;background:#fff9ea;border-radius:10px;max-width:840px;margin:0 auto 15px}.approval pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px}.approval button{margin-right:8px}.mobile-only{display:none}dialog{border:1px solid var(--line);border-radius:14px;padding:26px;width:min(700px,calc(100vw - 28px));max-height:90svh;box-shadow:0 20px 90px #0002;color:var(--ink)}dialog::backdrop{background:#132d2866;backdrop-filter:blur(3px)}dialog .close{position:absolute;right:14px;top:12px;padding:0 9px;font-size:24px;z-index:2}dialog h2{padding-right:20px}dialog iframe{width:100%;height:60vh;border:1px solid var(--line);border-radius:8px}dialog img{max-width:100%;max-height:65vh;object-fit:contain}.settings-row{display:flex;gap:10px;align-items:center;margin:12px 0;flex-wrap:wrap}.settings-row>*{flex:1}.plugin{padding:13px 0;border-bottom:1px solid var(--line)}#notice{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#183b35;color:white;border-radius:10px;padding:12px 18px;box-shadow:0 5px 25px #0002;max-width:calc(100vw - 30px);z-index:20;font-size:13px}#notice:empty{display:none}.loading{padding:50px;text-align:center}.hidden{display:none!important}@media(min-width:1600px){.shell{grid-template-columns:280px minmax(0,1fr) 330px}.messages{padding-left:8%;padding-right:8%}}@media(max-width:1150px){.shell{grid-template-columns:220px minmax(0,1fr)}.assets{display:none}.assets.open{display:block;position:fixed;right:0;top:65px;bottom:0;width:300px;z-index:5;box-shadow:-10px 0 50px #0001}.mobile-only.assets-toggle{display:inline-block}.topbar{padding:0 16px}.messages{padding:24px}.composer-wrap{padding:12px 20px}.account .badge{display:none}}@media(max-width:700px){.login-shell{grid-template-columns:1fr}.login-story{padding:26px 24px;gap:28px}.login-story h1{font-size:32px;letter-spacing:-1px;margin:0 0 12px}.login-story p{display:none}.login-points{display:none}.login-story .muted{display:none}.login-main{padding:32px 24px}.login-card{max-width:430px}.shell{grid-template-columns:minmax(0,1fr);grid-template-rows:59px minmax(0,1fr)}.topbar{padding:0 12px}.topbar .brand{font-size:17px}.topbar .account span{display:none}.topbar .account{gap:2px}.topbar button{padding:6px 9px}.sidebar{display:none}.sidebar.open{display:block;position:fixed;left:0;top:59px;bottom:0;width:270px;z-index:6;box-shadow:10px 0 50px #0002}.assets.open{top:59px;width:min(320px,90vw)}.mobile-only{display:inline-block}.workspace-head{padding:15px 18px}.workspace-head h2{font-size:15px}.messages{padding:20px 16px}.composer-wrap{padding:10px 12px 13px}.composer select{max-width:130px}.welcome{margin-top:32px}.welcome h1{font-size:26px}.suggestions{grid-template-columns:1fr}.composer-bottom button{padding:7px 12px}.message{margin-bottom:20px}dialog{padding:22px 18px}.workspace-head .ghost{padding:5px;font-size:12px}}

@media(max-width:700px){.topbar .brand .muted{display:none}.topbar .brand{min-width:0;gap:8px}.topbar .account{flex-shrink:0}.topbar{gap:6px}}

/* Studio chat workspace */
:root{--paper:#f9f9f8;--ink:#262927;--muted:#737773;--line:#e6e7e3;--green:#216a54;--light:#edf4ef}
.shell{grid-template-columns:248px minmax(0,1fr);grid-template-rows:62px minmax(0,1fr)}
.topbar{padding:0 22px;background:#fff;border-bottom-color:#eeefeb}
.topbar .brand{font-size:19px}.mark{border-radius:10px}.topbar .assets-toggle{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:20px;padding:6px 13px}.assets-toggle[aria-expanded="true"]{background:var(--light);color:var(--green)}
.sidebar{background:#f7f7f5;border-right-color:#eeefeb;padding:23px 14px}.sidebar .eyebrow{letter-spacing:1.2px}.sidebar .new-chat{border-radius:12px;margin-bottom:17px}.sidebar select{background:#fff;border-color:#e0e2dc}.sidebar #search-chats{background:transparent;border-color:#e2e4de;font-size:13px;margin-bottom:10px}.chat-item{border-radius:9px;padding:10px 12px}.sidebar-footer{margin-top:24px}.sidebar-footer button{padding:8px 9px}
.workspace{position:relative;background:#fff}.workspace-head{border-bottom:0;display:grid;grid-template-columns:minmax(100px,1fr) auto auto;padding:18px 30px;gap:18px}.workspace-head h2{font-size:15px;max-width:100%;overflow-wrap:anywhere}.workspace-head p{font-size:11px}.model-controls{display:flex;align-items:flex-start;gap:10px;min-width:0}.model-controls>div{min-width:0}.model-controls label{font-size:10px;color:var(--muted);margin:0 0 2px;padding-left:9px;font-weight:500}.model-controls select{width:auto;max-width:190px;padding:6px 27px 6px 9px;border-color:#e6e8e2;border-radius:9px;font-size:13px;background:#fafbf9;min-height:35px}.model-controls .effort-field select{min-width:100px}.workspace-head #rename-chat{font-size:11px;padding:6px;align-self:center}.messages{padding:25px max(28px,calc((100% - 800px)/2));scroll-padding-bottom:20px}.welcome{max-width:700px;margin:clamp(28px,10vh,100px) auto 30px;text-align:center}.welcome .badge{background:transparent;color:var(--muted);font-size:12px;font-weight:500}.welcome h1{font-size:34px;letter-spacing:-1.1px;font-weight:600;margin:15px 0 14px}.welcome>p{font-size:14px;max-width:470px;margin:0 auto}.suggestions{margin:30px auto 0;max-width:630px;gap:12px}.suggestions button{background:#fff;border-color:#e7e9e3;border-radius:14px;min-height:70px;padding:15px 18px;line-height:1.55;color:#555d56}.suggestions button:hover{background:#f7f9f5;border-color:#cdd7cd}.message{max-width:800px;margin-bottom:32px}.message .who{font-size:11px;text-transform:none;letter-spacing:0;font-weight:500;color:#737973;gap:0;flex-wrap:wrap}.message.assistant .who{color:var(--green)}.message.user{display:flex;flex-direction:column;align-items:flex-end}.message.user .body{background:#f1f3ee;border-radius:21px 21px 5px 21px;max-width:90%;padding:13px 20px}.message .body{line-height:1.75;min-width:0}.message.user .who{justify-content:flex-end}.effort-meta{font-weight:400}.status{background:#f4f7f2;color:#55725d;border-radius:12px}
.composer-wrap{border:0;background:#fff;padding:12px max(28px,calc((100% - 800px)/2)) 18px}.composer{padding:13px 15px 10px;border:1px solid #dce1d7;border-radius:25px;background:#fff;box-shadow:0 5px 22px #1c31200a}.composer:focus-within{border-color:#a6bda9;box-shadow:0 4px 22px #1c31200d}.composer textarea{font-size:15px;min-height:64px;padding:5px 7px;outline:none;resize:vertical;max-height:180px}.composer-bottom{gap:8px}.composer-bottom>div{display:flex;gap:6px;align-items:center}.composer .attach{border:0;display:flex;align-items:center;gap:5px;border-radius:30px;padding:6px 10px;font-size:24px;line-height:1.1;background:#f6f7f3;color:#556251}.attach span{font-size:12px}.composer .primary{border-radius:24px;padding:9px 16px;font-size:13px;background:#216a54}.composer #stop{font-size:12px;padding:7px 10px;border-radius:20px}.assets{display:none}.shell.files-open{grid-template-columns:248px minmax(0,1fr) 285px}.shell.files-open .assets.open{display:block;position:static;width:auto;box-shadow:none;background:#fafbf9;padding:24px 17px}.assets .dropzone{border-radius:14px;background:#f5f8f2}.file{border-radius:12px}.info-box{line-height:1.65}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.continuity{padding:17px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:18px 0}.continuity .body,.archive-content .body{overflow-wrap:anywhere;line-height:1.75}.continuity .body pre,.archive-content pre{white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%;font-size:12px;background:#f5f6f3;padding:13px;border-radius:9px}.continuity>p:last-child{margin:12px 0 0}.history-search{display:flex;gap:8px;margin:18px 0}.history-search input{min-width:0}.history-list{display:grid;gap:8px}.history-item{text-align:left;display:grid;gap:4px;width:100%;padding:13px;border-radius:12px;overflow-wrap:anywhere;min-width:0}.history-item strong{font-size:14px}.history-item span{font-size:11px;color:var(--muted)}.history-item p{font-size:12px;line-height:1.55;max-height:4.65em;overflow:hidden;margin:0;color:#667067}.history-pagination{display:flex;justify-content:space-between;gap:12px;margin:16px 0}.history-pagination button{font-size:12px}.archive-content{border-top:1px solid var(--line);padding-top:20px;margin-top:20px}.history-view h3{font-size:15px}.history-view .body h1,.history-view .body h2,.history-view .body h3{font-size:17px}
@media(min-width:1600px){.shell{grid-template-columns:260px minmax(0,1fr)}.shell.files-open{grid-template-columns:260px minmax(0,1fr) 310px}}
@media(max-width:1150px){.shell,.shell.files-open{grid-template-columns:220px minmax(0,1fr)}.shell.files-open .assets.open{position:fixed;top:62px;bottom:0;right:0;width:min(320px,90vw);z-index:5;box-shadow:-10px 0 50px #0002}.workspace-head{grid-template-columns:minmax(0,1fr) auto;padding:16px 22px;gap:12px}.workspace-head #rename-chat{grid-column:1/-1;justify-self:start;padding:0}.model-controls{gap:7px}.model-controls select{max-width:170px}.messages{padding:22px}.composer-wrap{padding:12px 22px 16px}.topbar{padding:0 16px}.account .badge{display:none}}
@media(max-width:850px){.workspace-head{grid-template-columns:minmax(0,1fr);gap:12px}.model-controls{justify-self:start}.workspace-head #rename-chat{position:absolute;right:18px;top:18px;max-width:95px}.workspace-head>div:first-child{padding-right:75px}.welcome{margin-top:35px}.welcome h1{font-size:29px}.topbar .account span{max-width:150px}.topbar .brand .muted{display:none}}
@media(max-width:700px){.shell,.shell.files-open{grid-template-columns:minmax(0,1fr);grid-template-rows:59px minmax(0,1fr)}.topbar{padding:0 10px}.topbar .brand{font-size:17px}.topbar .account{gap:3px}.topbar .account span{display:none}.topbar button{font-size:12px;padding:6px 8px}.topbar .assets-toggle{padding:5px 9px}.sidebar.open{top:59px;width:min(285px,88vw)}.shell.files-open .assets.open{top:59px}.workspace-head{padding:14px 17px 10px;gap:11px}.workspace-head h2{font-size:14px}.workspace-head p{font-size:11px}.workspace-head #rename-chat{top:15px;right:16px;font-size:10px}.model-controls{gap:10px;width:100%;max-width:100%}.model-controls .model-field{flex:1}.model-controls select{font-size:12px;max-width:100%;width:100%;padding:7px 23px 7px 9px}.model-controls .effort-field{width:114px;flex:none}.model-controls label{font-size:10px}.messages{padding:18px 17px}.welcome{margin-top:26px}.welcome h1{font-size:27px}.welcome>p{font-size:13px}.suggestions{grid-template-columns:1fr;gap:8px;margin-top:22px}.suggestions button{min-height:52px;padding:12px 14px;font-size:12px}.composer-wrap{padding:10px 12px 12px}.composer{padding:10px 11px 9px;border-radius:22px}.composer textarea{min-height:56px;font-size:14px}.composer .primary{font-size:12px;padding:8px 13px}.composer .attach{padding:5px 8px}.message.user .body{max-width:95%;padding:12px 16px}.message{margin-bottom:26px}.history-search{gap:6px}.history-search button{padding:8px 10px}.history-view>p{font-size:12px}dialog{padding:22px 18px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}