:root{--ink:#0f1b2d;--ink2:#41506a;--bg:#f4f7fb;--card:#fff;--brand:#ff5a36;--brand2:#ff8a3d;--teal:#0e8f7d;--navy:#13233d;--line:#e3e8f0;--warn:#8a5a00;--bad:#9f1239;--ok:#08715f}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;z-index:9}
.skip:focus{left:8px}
.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{background:var(--navy);color:#d5deea;padding:22px 16px;display:flex;flex-direction:column;gap:18px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:20px;letter-spacing:-.4px}
.brand b{color:#ff8a3d}
.side nav{display:flex;flex-direction:column;gap:4px}
.side nav a{text-decoration:none;padding:9px 12px;border-radius:10px;color:#c5d0e0;font-weight:600}
.side nav a:hover,.side nav a.on{background:rgba(255,255,255,.08);color:#fff}
.side .foot{margin-top:auto;font-size:13px;color:#93a0b5}
.side .foot a{color:#fff}
.main{padding:28px 28px 64px;max-width:1100px}
.top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:22px}
h1{font-size:clamp(28px,3vw,36px);letter-spacing:-.8px;line-height:1.15;margin:0 0 6px}
h2{font-size:22px;letter-spacing:-.4px;margin:0 0 8px}
.muted{color:var(--ink2)}
.eyebrow{color:#c2391a;font-weight:700;font-size:12px;letter-spacing:1.2px;text-transform:uppercase}
.banner{border-radius:14px;padding:12px 14px;margin-bottom:16px;font-size:14.5px}
.banner.demo{background:#fff7e6;border:1px solid #ffe2a8}
.banner.bad{background:#fff1f2;border:1px solid #fecdd3;color:#9f1239}
.banner.ok{background:#e7f7f3;border:1px solid #b7e7dc;color:#065f46}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.grid.two{grid-template-columns:1fr 1fr}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}
.stat b{display:block;font-size:28px;letter-spacing:-.6px;margin-top:4px}
.stat span{color:var(--ink2);font-size:13px}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;letter-spacing:.4px;text-transform:uppercase;color:var(--ink2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:700;padding:11px 16px;border-radius:999px;text-decoration:none}
.btn-p{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.btn-g{background:#fff;border:1.5px solid var(--line)}
.btn-bad{background:#fff;color:var(--bad);border:1.5px solid #fecdd3}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
form.stack{display:grid;gap:12px}
label{display:grid;gap:6px;font-weight:600;font-size:14px}
input,select,textarea{width:100%;padding:11px 12px;border:1.5px solid var(--line);border-radius:12px;background:#fff}
textarea{min-height:120px;resize:vertical}
.help{font-weight:500;color:var(--ink2);font-size:13px}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.checks label{display:flex;align-items:center;gap:6px;font-weight:600;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 10px}
.checks input{width:auto}
.steps{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.steps span{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700}
.steps span.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.steps span.done{background:#e7f7f3;color:var(--ok)}
.err{color:var(--bad);font-weight:700}
.pill{display:inline-block;border-radius:999px;padding:2px 8px;font-size:12px;font-weight:700;background:#eef2f7}
.pill.ok{background:#e7f7f3;color:var(--ok)}
.pill.warn{background:#fff7e6;color:var(--warn)}
.pill.bad{background:#fff1f2;color:var(--bad)}
pre,code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
pre.snip{background:var(--navy);color:#fff;padding:14px;border-radius:12px;overflow:auto;font-size:13px}
.login{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(900px 500px at 90% -10%,rgba(255,90,54,.28),transparent 60%),#0d1828}
.login .card{width:min(460px,100%)}
.login h1{color:var(--ink)}
.article{max-width:760px;margin:0 auto;padding:40px 20px 80px}
.draft{background:#fff1f2;border:1px solid #fecdd3;color:#9f1239;padding:12px 14px;border-radius:12px;font-weight:700}
.chat-page{min-height:100vh;display:grid;place-items:center;padding:18px;background:#e9eef5}
.chat-page.embed{padding:0;background:#f4f6fa;place-items:stretch}
.chat{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;width:min(420px,100%);height:min(640px,100vh);box-shadow:0 24px 50px -24px rgba(15,27,45,.35)}
.embed .chat{width:100%;height:100vh;border:0;border-radius:0;box-shadow:none}
.chat-h{background:var(--navy);color:#fff;padding:14px 16px;display:flex;gap:10px;align-items:center}
.av{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));font-weight:800}
.chat-h small{display:block;color:#a9b6cb}
.demo-chip{margin-left:auto;background:#ffd23f;color:#3b2c00;font-size:11px;font-weight:800;padding:3px 8px;border-radius:6px}
.msgs{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:8px;background:#f4f6fa}
.b{max-width:86%;padding:9px 12px;border-radius:16px;white-space:pre-wrap}
.b.u{align-self:flex-end;background:#c93b17;color:#fff;border-bottom-right-radius:4px}
.b.a{align-self:flex-start;background:#fff;border-bottom-left-radius:4px}
.b.o{align-self:flex-start;background:#e7f7f3;border-bottom-left-radius:4px}
.sys{align-self:center;background:#fff7e6;color:#8a5a00;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:700;text-align:center}
.hand{align-self:center;background:#fff1ec;color:#9f1239;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:700;text-align:center}
.qr{display:flex;flex-wrap:wrap;gap:6px;padding:8px 10px 0}
.qr button{border:1.5px solid #ffd0c3;background:#fff7f4;color:#c2401f;border-radius:999px;padding:6px 10px;cursor:pointer;font-weight:600}
.inp{display:flex;gap:8px;padding:10px}
.inp input{border-radius:999px}
.inp button{border:0;border-radius:50%;width:44px;height:44px;background:var(--brand);color:#fff;cursor:pointer;flex:none}
.chat-foot{font-size:11px;color:#5f6b80;text-align:center;padding:0 10px 10px}
.empty{padding:18px;color:var(--ink2)}
@media(max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{padding:12px}
  .side nav{flex-direction:row;overflow:auto}
  .grid,.grid.two{grid-template-columns:1fr 1fr}
  .main{padding:18px 14px 48px}
}
@media(max-width:600px){.grid{grid-template-columns:1fr}}