:root{color-scheme:light;--ink:#17202a;--muted:#65717e;--line:#e8ebee;--soft:#f6f7f8;--accent:#176e62;--accent-soft:#e8f4f1;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#fff;color:var(--ink)}body{font-size:14px;line-height:1.5}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:#cde9e2;color:#142821}.app{display:grid;grid-template-columns:308px minmax(0,1fr);height:100dvh;min-height:480px}.sidebar{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line);background:#fff}.sidebar-head{padding:27px 24px 17px}.brand{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.09em;font-weight:600;white-space:nowrap}.brand strong{font-weight:800}.brand-mark{display:grid;place-items:center;width:26px;height:26px;border-radius:7px;background:var(--ink);color:white;font-size:14px;letter-spacing:0;font-weight:700}.sidebar-head p{margin:18px 0 0;color:var(--muted);font-size:12px}.search-wrap{padding:7px 18px 22px}.search-wrap label{display:block;margin:0 6px 7px;font-size:11px;color:var(--muted);font-weight:600}.search-wrap input{width:100%;height:39px;border:1px solid var(--line);border-radius:9px;background:var(--soft);padding:0 12px;color:var(--ink);outline:none}.search-wrap input::placeholder{color:#89939c}.search-wrap input:focus{background:#fff;border-color:var(--accent)}.list-head{display:flex;justify-content:space-between;align-items:baseline;padding:0 24px 10px}.list-head h1{margin:0;font-size:12px;font-weight:700}.list-head span,.section-title span{color:var(--muted);font-size:11px}.threads{min-height:0;overflow:auto;padding:0 9px 14px;scrollbar-color:#cbd3d8 transparent;scrollbar-width:thin}.thread{display:block;width:100%;border:0;background:transparent;text-align:left;padding:13px 15px;border-radius:9px;color:var(--ink)}.thread:hover{background:var(--soft)}.thread.active{background:var(--accent-soft)}.thread-title{display:block;font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-date{display:block;margin-top:3px;color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}.empty{padding:20px 15px;color:var(--muted);font-size:13px}.sidebar-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid var(--line);padding:13px 24px;min-height:55px}.subtle{border:0;background:none;padding:3px 0;color:var(--accent);font-size:12px;font-weight:600}.subtle:hover{text-decoration:underline;text-underline-offset:3px}.connection{margin-left:auto;color:var(--muted);font-size:11px;white-space:nowrap}.connection::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:7px;background:#b9c1c7;vertical-align:1px}.connection.ok::before{background:#2da58c}.main{display:flex;flex-direction:column;min-width:0;min-height:0}.topbar{display:flex;align-items:center;gap:14px;padding:0 29px;height:72px;min-height:72px;border-bottom:1px solid var(--line)}.topbar-title{display:flex;flex-direction:column;min-width:0}.topbar-label{font-size:10px;color:var(--muted);line-height:1.2}.topbar-title #active-title{font-size:14px;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.details-toggle{margin-left:auto;border:1px solid var(--line);background:white;border-radius:7px;padding:7px 10px;color:var(--muted);font-size:11px;display:none}.back{display:none;border:0;background:none;padding:4px;color:var(--ink)}.back svg{width:20px;height:20px}.content{display:grid;grid-template-columns:minmax(0,1fr) 276px;min-height:0;flex:1}.conversation{min-height:0;overflow:auto;scrollbar-color:#cbd3d8 transparent;scrollbar-width:thin}.welcome{max-width:720px;margin:clamp(70px,14vh,150px) auto 0;padding:0 45px}.welcome-rule{width:33px;height:3px;background:var(--accent);margin-bottom:28px}.welcome h2{margin:0;font-size:clamp(26px,3vw,40px);font-weight:630;line-height:1.18;letter-spacing:-.035em}.welcome p{max-width:48ch;margin:19px 0;color:var(--muted);font-size:14px;line-height:1.65}.messages{max-width:780px;margin:auto;padding:31px 45px 20px}.message{padding:20px 0;border-bottom:1px solid var(--line)}.message:first-child{padding-top:0}.message-role{display:flex;align-items:center;gap:8px;margin-bottom:10px;color:var(--muted);font-size:11px;font-weight:700}.message-role::before{content:"";display:block;width:6px;height:6px;border-radius:50%;background:#b1bbc2}.message.assistant .message-role::before{background:var(--accent)}.message-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.65;max-width:72ch}.message-footer{max-width:780px;margin:auto;padding:0 45px 40px}.details{border-left:1px solid var(--line);padding:28px 22px;overflow:auto;scrollbar-width:thin}.detail-section+.detail-section{margin-top:37px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:19px}.section-title h2{margin:0;font-size:12px;font-weight:700}.refresh{border:0;background:none;padding:0 4px;color:var(--muted);font-size:11px;line-height:1}.refresh:hover{color:var(--accent)}.limit+.limit{margin-top:23px}.limit-top{display:flex;justify-content:space-between;align-items:baseline;gap:6px;font-size:12px}.limit-top strong{font-size:17px;font-weight:650;font-variant-numeric:tabular-nums}.bar{height:5px;background:#e8eeec;border-radius:5px;margin:9px 0 5px;overflow:hidden}.bar span{display:block;height:100%;background:var(--accent);border-radius:5px}.limit-reset{color:var(--muted);font-size:11px}.model{padding:13px 0;border-top:1px solid var(--line)}.model:first-child{border-top:0;padding-top:0}.model-name{font-size:12px;font-weight:650}.model-id{color:var(--muted);font-size:11px}.efforts{display:flex;flex-wrap:wrap;gap:4px;margin-top:7px}.effort{color:#4b5963;background:var(--soft);border-radius:4px;padding:2px 5px;font-size:10px}.details-note{margin-top:29px;color:var(--muted);font-size:11px;line-height:1.5}.muted{color:var(--muted);font-size:12px}
@media(max-width:1050px){.content{grid-template-columns:minmax(0,1fr)}.details{display:none;position:absolute;z-index:2;top:72px;right:0;bottom:0;width:min(320px,100%);background:white;box-shadow:-12px 0 32px rgba(15,35,46,.08)}.details.open{display:block}.details-toggle{display:block}}
@media(max-width:680px){.app{display:block;min-height:100dvh;height:100dvh}.sidebar{height:100%}.main{display:none;height:100%}.app.has-thread .sidebar{display:none}.app.has-thread .main{display:flex}.topbar{height:63px;min-height:63px;padding:0 17px}.back{display:block}.content{flex:1}.details{top:63px}.welcome{margin:75px auto;padding:0 25px}.messages{padding:24px 21px 20px}.message-footer{padding:0 21px 35px}.message-text{font-size:13px}.sidebar-head{padding-top:max(25px,env(safe-area-inset-top))}.sidebar-foot{padding-bottom:max(13px,env(safe-area-inset-bottom))}}
[hidden]{display:none!important}
.auth-screen{min-height:100dvh;display:grid;place-items:center;padding:24px;background:#fff}.auth-card{width:min(100%,390px);padding:12px 0}.auth-card h1{font-size:30px;letter-spacing:-.03em;line-height:1.15;margin:55px 0 13px;font-weight:650}.auth-card>p{color:var(--muted);line-height:1.6}.auth-card label{display:block;margin:30px 0 8px;font-size:12px;font-weight:600}.auth-card input{width:100%;padding:12px;border:1px solid var(--line);border-radius:9px;background:var(--soft);color:var(--ink)}.primary{margin-top:30px;min-height:44px;width:100%;border:0;border-radius:9px;background:var(--ink);color:#fff;font-weight:650}.primary:hover{background:#29423f}.primary:disabled{opacity:.55;cursor:wait}.auth-card .auth-note{font-size:11px;margin-top:26px}.auth-error{font-size:12px;color:#a32d33!important;margin:14px 0 0}.account-toggle{margin-left:10px;background:transparent;border:1px solid var(--line);border-radius:7px;padding:7px 10px;font-size:11px;color:var(--ink)}.account-toggle:hover{background:var(--soft)}.account-dialog{width:min(440px,calc(100vw - 28px));max-height:min(720px,calc(100dvh - 28px));border:0;border-radius:14px;padding:25px;background:#fff;color:var(--ink);box-shadow:0 18px 70px rgba(22,37,45,.18)}.account-dialog::backdrop{background:rgba(16,29,36,.32)}.account-head,.account-section-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.account-head h2{margin:0;font-size:18px;letter-spacing:-.02em}.account-head button,.account-row button{background:none;border:0;color:var(--accent);font-size:11px;font-weight:600}.account-dialog section{margin-top:27px}.account-dialog h3{margin:0 0 10px;font-size:12px}.account-row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding:10px 0;font-size:12px}.account-row span{min-width:0;overflow-wrap:anywhere}.account-row small{display:block;color:var(--muted);font-size:10px}.account-row button{white-space:nowrap}.logout{width:100%;margin-top:26px;padding:11px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;font-size:12px}.logout:hover{background:var(--soft)}
@media(max-width:680px){.account-toggle{margin-left:0}.auth-card h1{margin-top:43px}.account-dialog{padding:20px}}