:root{
  --ff-deep:#1D2FE3; --ff-light:#4C7DFF; --ink:#11162A; --paper:#F7F8FC;
  --surface:#FFFFFF; --surface-2:#EEF1FC; --line:#DBE0F2; --muted:#5B6178;
  --th-fill:#E6ECFC; --th-text:#0B0B0F; --danger:#B3261E; --danger-bg:#FBEAE9;
  --ok:#1E7A46; --ok-bg:#E8F5EC;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size:15px;line-height:1.5}
a{color:var(--ff-deep)}
.topbar{display:flex;align-items:center;gap:16px;padding:14px 24px;background:#fff;border-bottom:1px solid var(--line)}
.topbar .brand{font-weight:800;color:var(--ff-deep);font-size:17px;letter-spacing:-.01em}
.topbar nav{display:flex;gap:18px;font-size:14px}
.topbar nav a{color:var(--muted);text-decoration:none;font-weight:600}
.topbar nav a.active,.topbar nav a:hover{color:var(--ink)}
.topbar .spacer{flex:1}
.wrap{max-width:880px;margin:0 auto;padding:32px 24px 80px}
.wrap.narrow{max-width:440px}
h1{font-size:24px;margin:0 0 6px}
h2{font-size:16px;margin:28px 0 10px;color:var(--ff-deep)}
p.lede{color:var(--muted);margin:0 0 24px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;margin-bottom:20px}
label{display:block;font-size:13px;font-weight:600;margin:14px 0 5px}
label:first-child{margin-top:0}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;
  font-size:14px;font-family:inherit;background:#fff;color:var(--ink)}
textarea{min-height:90px;resize:vertical}
button{cursor:pointer;font-family:inherit;font-size:14px;font-weight:700;border-radius:8px;
  border:1px solid var(--ff-deep);background:var(--ff-deep);color:#fff;padding:9px 18px}
button.secondary{background:#fff;color:var(--ff-deep)}
button.ghost{background:none;border-color:var(--line);color:var(--muted)}
button:disabled{opacity:.5;cursor:not-allowed}
button[data-danger]{background:var(--danger);border-color:var(--danger)}
.row{display:flex;gap:10px;flex-wrap:wrap}
.msg{padding:10px 14px;border-radius:8px;font-size:13.5px;margin:14px 0}
.msg.err{background:var(--danger-bg);color:var(--danger)}
.msg.ok{background:var(--ok-bg);color:var(--ok)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line)}
th{background:var(--th-fill);color:var(--th-text);font-size:12px;text-transform:uppercase;
  letter-spacing:.04em;font-weight:700}
tr:last-child td{border-bottom:none}
.pill{display:inline-block;padding:2px 10px;border-radius:100px;font-size:12px;font-weight:700}
.pill.draft{background:#EEF1FC;color:#3547C9}
.pill.approved{background:#FFF4D9;color:#8A5A00}
.pill.generated{background:var(--ok-bg);color:var(--ok)}
.pill.active{background:var(--ok-bg);color:var(--ok)}
.pill.invited{background:#FFF4D9;color:#8A5A00}
.pill.disabled{background:var(--danger-bg);color:var(--danger)}
.muted{color:var(--muted)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px}
.field-hint{font-size:12px;color:var(--muted);margin-top:3px}
.plant-row,.vendor-row{border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:10px;position:relative}
.top-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.pill.ai{background:var(--surface-2);color:var(--ff-deep);margin-left:8px}
.pill.geo{background:var(--danger-bg);color:var(--danger);margin-left:8px}
.samples-cat{margin-bottom:16px}
.samples-cat h3{font-size:13px;margin:0 0 6px;color:var(--ink)}
.samples-cat .desc{font-size:12.5px;color:var(--muted);margin:0 0 6px}
.samples-cat ul{margin:0;padding-left:18px;font-size:13.5px}
.samples-cat li{margin-bottom:4px}
.bg-vendor-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.bg-vendor-row label{flex:0 0 220px;margin:0;font-weight:500;color:var(--muted);font-size:13px}
.bg-vendor-row input{flex:1}
.row-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:2px}
.rationale{font-size:12.5px;color:var(--muted);margin:6px 0 0}
.source-list{margin:0;padding-left:18px;font-size:13.5px}
.source-list li{margin-bottom:5px}
.research-meta{font-size:12.5px;color:var(--muted);margin:0 0 10px}
.rationale-input{font-size:12.5px;color:var(--muted);border-style:dashed}