:root {
  color-scheme: dark;
  --bg: #10120e;
  --bg-raised: #181b15;
  --bg-inset: #0c0e0a;
  --line: #31362b;
  --line-strong: #4a5140;
  --text: #ece7da;
  --muted: #a39e90;
  --faint: #736e62;
  --amber: #e0a106;
  --amber-ink: #1a1403;
  --olive: #9aaf78;
  --olive-dim: #24301c;
  --rust: #d36a52;
  --rust-dim: #3a221c;
  --preview: #c8b56a;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  --font: "Segoe UI", "Helvetica Neue", "Liberation Sans", sans-serif;
  --mono: "ui-monospace", "Cascadia Mono", "Liberation Mono", Consolas, monospace;
  --side: 232px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 var(--font);
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--amber);
  color: var(--amber-ink);
  padding: 6px 10px;
  z-index: 5;
}
.skip:focus { top: 12px; }

.app {
  display: grid;
  grid-template-columns: var(--side) 1fr;
  min-height: 100vh;
}
.side {
  background: var(--bg-inset);
  border-right: 1px solid var(--line);
  padding: 22px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { text-decoration: none; display: grid; gap: 2px; }
.brand-mark {
  font-size: 22px;
  letter-spacing: 0.14em;
  font-weight: 700;
  text-transform: uppercase;
}
.brand-mark::after {
  content: "";
  display: block;
  width: 42px;
  height: 3px;
  margin-top: 8px;
  background: var(--amber);
}
.brand-sub { color: var(--muted); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.nav { display: grid; gap: 4px; }
.nav a {
  text-decoration: none;
  padding: 8px 10px;
  border: 1px solid transparent;
  color: var(--muted);
}
.nav a[aria-current="page"] {
  color: var(--text);
  border-color: var(--line);
  background: var(--bg-raised);
}
.side-foot { margin-top: auto; display: grid; gap: 10px; }
.source-pill, .chip {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--amber);
}
.main { min-width: 0; padding: 22px 28px 48px; }
.catalogue-banner {
  margin: 0 0 18px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  background: #241e10;
  color: var(--text);
}
.catalogue-banner[data-tone="online"] { background: var(--olive-dim); border-color: #3e5230; }
.catalogue-banner[data-tone="offline"] { background: var(--rust-dim); border-color: #6a3a30; }
.top { display: flex; justify-content: space-between; gap: 16px; align-items: flex-end; margin-bottom: 16px; }
.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1 { margin: 0; font-size: 32px; font-weight: 650; letter-spacing: -0.03em; }
h2 { margin: 0 0 8px; font-size: 18px; font-weight: 650; }
.lead { margin: 8px 0 0; max-width: 68ch; color: var(--muted); }
.top-actions, .row-actions, .toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.page { display: grid; gap: 16px; }

.btn {
  background: var(--amber);
  color: var(--amber-ink);
  border: 1px solid var(--amber);
  padding: 8px 12px;
  text-decoration: none;
  cursor: pointer;
  font-weight: 650;
}
.btn.ghost, .btn.danger { background: transparent; }
.btn.ghost { color: var(--text); border-color: var(--line-strong); }
.btn.danger { color: var(--rust); border-color: var(--rust); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.banner, .notice {
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
}
.banner[data-kind="error"], .notice.warn { border-color: #6a3a30; background: var(--rust-dim); }
.banner[data-kind="ok"] { border-color: #3e5230; background: var(--olive-dim); }
.field-error { color: var(--rust); font-size: 13px; margin: 4px 0 0; }
label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
input, select, textarea {
  background: var(--bg-inset);
  border: 1px solid var(--line-strong);
  padding: 8px 10px;
  width: 100%;
}
textarea { min-height: 88px; resize: vertical; }
.form-grid, .split { display: grid; gap: 14px; }
.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.check { display: flex; align-items: center; gap: 8px; color: var(--text); }
.check input { width: auto; }

.ledger { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.ledger article, .panel {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  padding: 14px;
}
.k { margin: 0; color: var(--faint); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.v { margin: 6px 0 0; font-size: 28px; font-variant-numeric: tabular-nums; letter-spacing: -0.03em; }
.s { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.panels { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 10px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--faint); font-size: 12px; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.mono { font-family: var(--mono); font-size: 13px; }
.table-wrap, .matrix-wrap { overflow: auto; border: 1px solid var(--line); background: var(--bg-raised); }
.low { color: var(--amber); }
.badge {
  display: inline-block;
  border: 1px solid var(--line-strong);
  padding: 1px 6px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.badge.proposed { color: var(--amber); border-color: #6d5410; }
.badge.unmatched { color: var(--preview); }

.matrix { min-width: 1280px; }
.matrix th, .matrix td { white-space: nowrap; }
.matrix thead th { position: sticky; top: 0; background: #22261d; z-index: 2; }
.matrix .part-col, .matrix td.part-col {
  position: sticky;
  left: 0;
  z-index: 1;
  background: #1c2018;
  min-width: 220px;
  white-space: normal;
}
.matrix thead .part-col { z-index: 3; }
.matrix .ours { box-shadow: inset 0 2px 0 var(--amber); }
.cell { display: grid; justify-items: end; gap: 2px; min-width: 76px; }
.mark { font-size: 16px; line-height: 1; }
.mark.yes { color: var(--olive); }
.mark.no { color: var(--rust); }
.mark.wait { color: var(--faint); }
.price { font-variant-numeric: tabular-nums; }
.price.prev, .prev-tag { color: var(--preview); font-size: 11px; font-style: italic; }
.is-low { background: #2a2616; }
tr.unmatched td.part-col { background: #241e10; }
tr.inactive { color: var(--muted); }
.host { color: var(--muted); font-size: 12px; }
.state { color: var(--muted); padding: 28px 8px; }

.login-body { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: min(420px, 100%);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.login-card h1 { font-size: 28px; letter-spacing: 0.12em; text-transform: uppercase; }
summary { cursor: pointer; font-weight: 650; }
summary:hover { color: var(--amber); }
dialog {
  background: var(--bg-raised);
  color: var(--text);
  border: 1px solid var(--line-strong);
  padding: 18px;
  width: min(420px, calc(100% - 32px));
}
dialog::backdrop { background: rgba(0, 0, 0, 0.55); }
.noscript { padding: 12px; background: var(--rust-dim); }

@media (max-width: 980px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .nav { grid-auto-flow: column; overflow-x: auto; }
  .ledger, .panels, .form-grid { grid-template-columns: 1fr; }
  .main { padding: 16px; }
}