:root{--bg:#f6f7f9;--card:#fff;--ink:#1d232b;--muted:#5d6874;--line:#dde2e8;--acc:#2f6f8f;--acc2:#e8f1f5;--err:#a3332b;--errbg:#fbeceb}
@media (prefers-color-scheme:dark){:root{--bg:#14181d;--card:#1c2128;--ink:#e4e8ec;--muted:#9aa5b1;--line:#2d343d;--acc:#6fb3d2;--acc2:#1e2c35;--err:#f09a92;--errbg:#3a1f1d}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--card);border-bottom:1px solid var(--line)}
.brand{font-weight:600}nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}nav a{color:var(--acc);text-decoration:none}.who{color:var(--muted)}
nav form{margin:0}button.link{background:none;border:0;color:var(--acc);padding:0;font:inherit;cursor:pointer}
main{max-width:1200px;margin:0 auto;padding:16px}footer{max-width:1200px;margin:0 auto;padding:8px 16px 24px;color:var(--muted);font-size:13px}
h1{font-size:22px;margin:4px 0 12px}h2{font-size:17px;margin:0 0 10px}h3{font-size:14px;margin:12px 0 6px;color:var(--muted)}
section,aside,.login{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px;margin-bottom:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(210px,100%),1fr));gap:10px}.field{display:flex;flex-direction:column;gap:4px}.field.wide{margin-top:10px}
label{font-size:13px;color:var(--muted)}.check{display:flex;gap:8px;align-items:flex-start;color:var(--ink);font-size:14px}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(280px,100%),1fr));gap:6px 14px;margin-bottom:8px}
input,select,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:7px 8px;width:100%}
.check input{width:auto;margin-top:3px}button{font:inherit;background:var(--acc);color:#fff;border:0;border-radius:6px;padding:9px 16px;cursor:pointer}
button:disabled{opacity:.5}.actions{position:sticky;bottom:0;padding:10px 0;background:var(--bg)}
table{border-collapse:collapse;width:100%;font-size:14px}td,th{padding:5px 6px;border-bottom:1px solid var(--line);text-align:left}.num{text-align:right;font-variant-numeric:tabular-nums}
table.palp td:nth-child(2) select{width:auto}table.palp .check{white-space:nowrap}
@media (max-width:520px){table.palp td,table.palp th{padding:4px 3px;font-size:13px}}
main{overflow-wrap:anywhere}.list a{color:var(--acc)}
.error{background:var(--errbg);color:var(--err);border-radius:6px;padding:8px 10px;margin-bottom:10px}.hint,.meta{color:var(--muted);font-size:13px}
.login{max-width:360px;margin:40px auto;display:flex;flex-direction:column;gap:8px}.login button{margin-top:8px}
.cols{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:14px}@media (max-width:860px){.cols{grid-template-columns:1fr}}
.disclaimer{background:var(--acc2);border-radius:6px;padding:8px 10px;margin-bottom:10px;font-size:14px}
#chat{display:flex;flex-direction:column;gap:10px;margin-bottom:10px}.msg{white-space:pre-wrap;border-radius:8px;padding:10px 12px;border:1px solid var(--line);background:var(--card)}
.msg.user{align-self:flex-end;background:var(--acc2);max-width:85%}.msg.pending{color:var(--muted)}
#ask{display:flex;gap:8px;align-items:flex-end;position:sticky;bottom:0;background:var(--bg);padding:8px 0}#ask textarea{flex:1}
pre{white-space:pre-wrap;font-size:12px;color:var(--muted)}details{margin-top:10px}
.msg.assistant h2,.msg.assistant h3,.msg.assistant h4{margin:14px 0 6px;font-size:15px}.msg.assistant p{margin:4px 0}.msg .tbl{overflow-x:auto;margin:6px 0}.msg .tbl table{border-collapse:collapse;font-size:13px;min-width:100%}.msg .tbl th,.msg .tbl td{border:1px solid var(--line);padding:4px 6px;vertical-align:top;text-align:left}.msg .li{margin:2px 0}
.msg .flow{border:1px solid var(--line);border-radius:10px;padding:12px;margin:8px 0;text-align:center}.msg .flow .node{border:1px solid var(--line);border-radius:8px;padding:8px 10px}.msg .flow .node small{display:block;color:var(--muted);font-size:12px;margin-top:2px}.msg .flow .node.key{background:rgba(200,80,60,.08);border-color:rgba(200,80,60,.35)}.msg .flow .arrow{color:var(--muted);font-size:13px;margin:4px 0}