:root {
  --ink: #1d2a2f; --ink-2: #4c5c62; --line: #d9d3c7; --paper: #f7f3ec; --card: #fffdf9;
  --clay: #c2562f; --clay-soft: #f6e3d9; --sage: #5c7c5a; --sage-soft: #e3ece0;
  --amber: #b7791f; --amber-soft: #f8ecd5; --red: #a8322d; --red-soft: #f7dedc; --sky: #3f6e8c; --sky-soft: #dde9f1;
  --radius: 12px; --shadow: 0 1px 2px #1d2a2f14, 0 8px 24px #1d2a2f0d;
  --display: "Fraunces", Georgia, serif; --body: "Manrope", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.5 var(--body); }
a { color: var(--clay); }
h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -0.01em; margin: 0 0 .4em; }
h1 { font-size: 2.6rem; line-height: 1.1; } h2 { font-size: 1.5rem; } h3 { font-size: 1.1rem; }
.muted { color: var(--ink-2); } .small { font-size: .85rem; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
header.top { background: var(--ink); color: #fff; }
header.top .wrap { display: flex; align-items: center; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font: 600 1.25rem var(--display); }
.brand svg { width: 30px; height: 30px; }
header.top nav { margin-left: auto; display: flex; gap: 14px; align-items: center; }
header.top nav a, header.top nav button { color: #e9e2d6; background: none; border: 0; font: inherit; cursor: pointer; text-decoration: none; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 10px; border: 1px solid var(--ink);
  background: var(--ink); color: #fff; font: 600 14px var(--body); cursor: pointer; text-decoration: none; }
.btn.clay { background: var(--clay); border-color: var(--clay); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.grid { display: grid; gap: 16px; } .g2 { grid-template-columns: 1fr 1fr; } .g3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 800px) { .g2, .g3 { grid-template-columns: 1fr; } h1 { font-size: 2rem; } }
label { display: block; font-weight: 600; font-size: .85rem; margin: 10px 0 4px; }
input, select, textarea { width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px; background: #fff; font: inherit; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--clay-soft); border-color: var(--clay); }
.check { display: flex; gap: 8px; align-items: center; font-weight: 500; margin: 6px 0; }
.check input { width: auto; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: .78rem; font-weight: 700; }
.pill.Concept { background: var(--sky-soft); color: var(--sky); }
.pill.Under.review, .pill.review { background: var(--amber-soft); color: var(--amber); }
.pill.Approved { background: var(--sage-soft); color: var(--sage); }
.pill.Superseded { background: #eee; color: #666; }
.s-within { color: var(--sage); } .s-confirm { color: var(--amber); } .s-conflict { color: var(--red); } .s-missing { color: var(--sky); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-2); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.tabs button { border: 1px solid var(--line); background: #fff; border-radius: 99px; padding: 6px 14px; font: 600 14px var(--body); cursor: pointer; color: var(--ink); }
.tabs button.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.plan { width: 100%; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
#three { width: 100%; height: 420px; border-radius: var(--radius); border: 1px solid var(--line); background: #eef0ec; }
.notice { background: var(--amber-soft); border: 1px solid #ecd3a8; color: #6b4a12; padding: 10px 14px; border-radius: 10px; font-size: .9rem; }
.error { background: var(--red-soft); color: var(--red); padding: 10px 14px; border-radius: 10px; margin: 10px 0; }
.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: .9rem; }
.kv dt { color: var(--ink-2); } .kv dd { margin: 0; font-weight: 600; }
.hero { padding: 64px 0 40px; }
.hero .tag { font: italic 600 1.1rem var(--display); color: var(--clay); }
.steps { counter-reset: s; }
.steps .card h3::before { counter-increment: s; content: counter(s) ". "; color: var(--clay); }
footer { padding: 32px 0; color: var(--ink-2); font-size: .85rem; }
.empty { text-align: center; padding: 40px; color: var(--ink-2); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.chip { margin: 0; font-weight: 500; cursor: pointer; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span { display: inline-block; padding: 7px 14px; border: 1px solid var(--line); border-radius: 99px; background: #fff; }
.chip input:checked + span { background: var(--clay-soft); border-color: var(--clay); color: var(--clay); font-weight: 700; }
.chip input:checked + span::before { content: "✓ "; }
.chip input:focus-visible + span { outline: 2px solid var(--clay); }