:root{--blue:#315cf5;--text:#182338;--muted:#758094;--line:#e8ecf2}*{box-sizing:border-box}body{margin:0;color:var(--text);font-family:Inter,system-ui,-apple-system,Arial,sans-serif;font-size:15px;background:#fff}button,input,textarea{font:inherit}button{cursor:pointer;border:0;border-radius:9px;background:var(--blue);color:white;padding:12px 20px;font-weight:600}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible{outline:3px solid #9fb4ff;outline-offset:3px}input,textarea{border:1px solid var(--line);border-radius:10px;padding:13px;color:var(--text);background:white;outline:none}input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #315cf511}textarea{resize:vertical;line-height:1.6}label{display:grid;gap:8px;margin-bottom:22px}small{font-size:12px;color:var(--muted);font-weight:400}p{color:var(--muted);line-height:1.7}h1{font-size:29px;letter-spacing:-.7px;margin:0}h2{font-size:25px;letter-spacing:-.5px}h3{font-size:15px}a.brand{font-size:23px;letter-spacing:-.6px;font-weight:750;color:var(--text);text-decoration:none;white-space:nowrap}.brand span{color:var(--blue)}[hidden]{display:none!important}.layout{min-height:100dvh;display:grid;grid-template-columns:230px minmax(0,1fr) 280px}.sidebar{border-right:1px solid var(--line);padding:35px 22px 22px;display:flex;flex-direction:column;position:sticky;top:0;height:100dvh}.sidebar nav{display:grid;gap:7px;margin-top:52px}.sidebar nav button{display:flex;align-items:center;gap:12px;text-align:left;background:transparent;color:#69758a;font-weight:500;padding:13px}.sidebar nav button.selected{color:var(--blue);background:#edf2ff}.sidebar nav span{font-size:21px;width:25px;text-align:center}.user{margin-top:auto;display:flex;gap:10px;align-items:center;padding-top:22px;border-top:1px solid var(--line)}.user strong{font-size:12px;max-width:110px;display:block;overflow:hidden;text-overflow:ellipsis}.user small{display:block;margin-top:4px;font-size:10px}.avatar{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:#eaf0ff;color:var(--blue)}.icon{background:none;color:var(--muted);padding:5px;margin-left:auto;font-size:19px}main{padding:38px 38px 28px;min-width:0;display:flex;flex-direction:column}header{display:flex;justify-content:space-between;align-items:center;gap:15px;padding-bottom:22px;border-bottom:1px solid var(--line)}header p{margin:8px 0 0;font-size:13px}.status{color:#557869;font-size:11px;background:#f0f8f3;padding:8px 10px;border-radius:6px;white-space:nowrap}.page{padding-top:32px}.chat{display:flex;flex-direction:column;flex:1;min-height:550px}.welcome{margin:auto;text-align:center;padding:55px 0 75px}.spark{font-size:34px;color:var(--blue)}.welcome h2{font-size:36px;margin:14px 0}.welcome p{font-size:14px;margin:0}.suggestions{display:flex;gap:15px;justify-content:center;margin-top:30px}.suggestions button{display:flex;align-items:center;gap:15px;border:1px solid var(--line);background:#fff;color:#46536c;font-size:19px;font-weight:400;padding:18px}.suggestions button span{font-size:13px}.composer{border:1px solid #dde3ed;border-radius:15px;padding:15px;margin-top:auto;background:#fff}.composer textarea{width:100%;border:0;box-shadow:none;padding:2px 3px;min-height:88px;resize:vertical;font-size:14px}.composer>div{display:flex;justify-content:space-between;align-items:center;gap:10px}.composer small{font-size:10px}.composer button{font-size:12px;padding:11px 15px}#cancel{align-self:center;margin-top:10px}.rail{border-left:1px solid var(--line);padding:38px 25px}.railheading{font-size:14px;font-weight:650;display:flex;justify-content:space-between}.railheading span{color:var(--muted)}.rail h2{margin:22px 0 5px;font-size:25px}.rail p{font-size:12px;margin-top:5px}.rail hr{border:0;border-top:1px solid var(--line);margin:27px 0}.rail h3{margin-bottom:24px}.metric{display:grid;gap:9px;margin-bottom:25px;font-size:12px}.metric span{color:var(--muted)}.metric strong{font-size:13px;font-weight:500}progress{width:100%;height:5px;border:0;border-radius:5px;overflow:hidden;background:#edf1f6}progress::-webkit-progress-bar{background:#edf1f6}progress::-webkit-progress-value{background:var(--blue)}progress::-moz-progress-bar{background:var(--blue)}.secondary{width:100%;background:white;border:1px solid var(--line);color:var(--text);font-size:12px;margin-top:14px}.railnote{margin-top:35px;font-size:11px;color:#657189;line-height:1.8}.railnote span{color:#6b9c7e}.railnote small{font-size:10px;margin-left:12px}.settings{max-width:740px;line-height:1.7}.settings>h2{margin-top:7px}.settings input:not([type=checkbox]),.settings textarea{width:100%}.settings form{margin-top:30px;max-width:580px}.note{margin-top:35px;padding-top:25px;border-top:1px solid var(--line)}.check{display:flex;gap:13px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line)}.check input{accent-color:var(--blue);width:18px;height:18px;margin-top:4px}.check strong,.check small{display:block}.plans{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:28px 0}.plans article{border:1px solid var(--line);padding:23px;border-radius:12px}.plans strong{font-size:25px}.plans p{font-size:13px}.plans button{width:100%;font-size:12px}.notice{font-size:12px;color:#798394}.link{background:none;color:var(--blue);padding:9px;font-weight:500;font-size:13px}.auth{min-height:100dvh;display:grid;place-items:center;padding:30px}.auth form{width:min(100%,390px)}.auth .brand{display:block;margin-bottom:45px}.auth h1{font-size:27px}.auth p{font-size:13px;margin-bottom:30px}.auth label{font-size:13px}.auth button{width:100%}.auth .notice{margin-top:25px;font-size:11px}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}#messages{display:grid;gap:22px;padding-bottom:25px}.message{padding:16px 20px;border-radius:12px;background:#f5f7fb;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7;font-size:14px}.message.assistant{background:#fff;border:1px solid var(--line)}.message small{display:block;margin-top:10px}.message.error{border-color:#eedad7;color:#a34c42}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#172338;color:#fff;padding:13px 22px;border-radius:10px;font-size:13px;box-shadow:0 5px 20px #0002;max-width:90vw;z-index:10}.quota-row{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}
@media(min-width:1500px){.layout{grid-template-columns:260px minmax(0,1fr) 310px}main{padding:40px 50px}.rail{padding:40px 30px}}@media(max-width:1100px){.layout{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding:25px 14px}.brand{font-size:21px!important}.rail{display:none}main{padding:28px}.status{font-size:10px}}@media(max-width:650px){.layout{display:block}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:18px 18px 10px}.sidebar nav{display:flex;gap:4px;margin-top:18px;overflow:auto}.sidebar nav button{white-space:nowrap;padding:9px;font-size:11px}.sidebar nav span{display:none}.user{position:absolute;top:20px;right:16px;border:0;padding:0}.user div{display:none}.user .avatar{width:26px;height:26px}.icon{margin:0}.sidebar .brand{font-size:20px!important}main{padding:22px 18px}header{align-items:flex-start;gap:8px}h1{font-size:24px}header p{font-size:11px}.status{font-size:9px;padding:7px}.chat{min-height:calc(100dvh - 215px);padding-top:22px}.welcome{padding:40px 0}.welcome h2{font-size:30px}.welcome p{font-size:12px}.suggestions{gap:8px}.suggestions button{padding:12px;gap:8px}.suggestions button span{font-size:11px}.composer small{font-size:8px}.composer button{padding:10px}.plans{gap:10px}.plans article{padding:15px}.plans strong{font-size:21px}.plans small{display:block}.settings h2{font-size:22px}.message{padding:14px;font-size:13px}}

.status.unavailable{color:#94642b;background:#fff7e8}