:root {
  /* Valbridge palette: deep navy + warm gold accent on a soft neutral background */
  --vb-navy: #1a2b4a;
  --vb-navy-2: #243a63;
  --vb-accent: #d97706;
  --vb-accent-2: #b45309;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #fafbfc;
  --border: #e2e5ec;
  --border-strong: #c8cdd6;
  --text: #1f2937;
  --muted: #6b7280;
  --ok: #047857;
  --ok-bg: #d1fae5;
  --err: #b91c1c;
  --err-bg: #fee2e2;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --info: #1d4ed8;
  --info-bg: #dbeafe;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 4px 12px rgba(15, 23, 42, .06);
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14.5px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

/* ---------- header ---------- */
.site-header {
  background: linear-gradient(180deg, var(--vb-navy) 0%, var(--vb-navy-2) 100%);
  color: #fff;
  border-bottom: 3px solid var(--vb-accent);
  box-shadow: 0 2px 8px rgba(15, 23, 42, .15);
}
.site-header .inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: .85rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  display: flex; align-items: center; gap: .7rem;
  text-decoration: none; color: #fff;
}
.brand-mark {
  width: 32px; height: 32px;
  border-radius: 6px;
  background: var(--vb-accent);
  display: grid; place-items: center;
  font-weight: 700; color: var(--vb-navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px; letter-spacing: .02em;
}
.brand-text { line-height: 1.1; }
.brand-text .wordmark {
  font-size: 1.05rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
}
.brand-text .tag {
  font-size: .72rem; opacity: .75;
  letter-spacing: .06em; text-transform: uppercase;
}
.spacer { flex: 1; }
.site-header nav a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: .9rem;
  margin-left: 1rem;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .15s, color .15s;
}
.site-header nav a:hover { color: #fff; border-bottom-color: var(--vb-accent); }

/* ---------- layout ---------- */
main {
  max-width: 1180px;
  margin: 1.75rem auto 3rem;
  padding: 0 1.5rem;
}
.page-title { margin: 0 0 .25rem; font-size: 1.45rem; font-weight: 600; color: var(--vb-navy); }
.page-sub { color: var(--muted); margin: 0 0 1.5rem; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
}
h2 {
  font-size: 1.05rem;
  margin: 1.25rem 0 .5rem;
  color: var(--vb-navy);
  font-weight: 600;
}

/* ---------- forms ---------- */
form { display: grid; gap: 1rem; }
form .row { display: grid; gap: .35rem; }
label { font-size: .82rem; font-weight: 600; color: #374151; letter-spacing: .01em; }
input[type="text"], input[type="file"] {
  font: inherit;
  padding: .55rem .7rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  width: 100%;
  max-width: 32rem;
  transition: border-color .15s, box-shadow .15s;
}
input[type="text"]:focus, input[type="file"]:focus {
  outline: none;
  border-color: var(--vb-navy-2);
  box-shadow: 0 0 0 3px rgba(36, 58, 99, .15);
}
input[type="file"] { padding: .35rem .5rem; cursor: pointer; }
.field-hint { font-size: .8rem; color: var(--muted); }

button, .btn {
  font: inherit;
  font-weight: 600;
  padding: .55rem 1.1rem;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  transition: background .15s, border-color .15s, transform .05s;
}
button[type="submit"], .btn-primary {
  background: var(--vb-navy);
  color: #fff;
}
button[type="submit"]:hover, .btn-primary:hover {
  background: var(--vb-navy-2);
}
button[type="submit"]:active { transform: translateY(1px); }
.btn-accent { background: var(--vb-accent); color: #fff; }
.btn-accent:hover { background: var(--vb-accent-2); }
.btn-secondary {
  background: var(--surface);
  color: var(--vb-navy);
  border-color: var(--border-strong);
}
.btn-secondary:hover { background: var(--surface-2); border-color: var(--vb-navy); }

.actions { display: flex; gap: .6rem; align-items: center; }

/* ---------- status panel ---------- */
.status {
  background: var(--surface-2);
  padding: .7rem .9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .85rem;
  white-space: pre-wrap;
  color: var(--muted);
  min-height: 2rem;
}
.status:empty::before { content: "Ready."; }
.status.error { color: var(--err); border-color: #f4c4c4; background: var(--err-bg); }
.status.success { color: var(--ok); border-color: #b4dcc7; background: var(--ok-bg); }

/* ---------- pills / badges ---------- */
.pill {
  display: inline-flex; align-items: center;
  padding: .15rem .6rem; border-radius: 999px;
  font-size: .78rem; font-weight: 600;
  letter-spacing: .03em;
  background: var(--info-bg); color: var(--info);
  border: 1px solid transparent;
}
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.err { background: var(--err-bg); color: var(--err); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.muted { background: #eef0f4; color: var(--muted); }

.state-badge {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .35rem .8rem; border-radius: 999px;
  font-weight: 600; font-size: .9rem;
  background: var(--info-bg); color: var(--info);
  border: 1px solid transparent;
}
.state-badge::before {
  content: ""; width: 8px; height: 8px; border-radius: 999px;
  background: currentColor;
}
.state-badge.ok { background: var(--ok-bg); color: var(--ok); }
.state-badge.err { background: var(--err-bg); color: var(--err); }
.state-badge.pending::before { animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .35; transform: scale(.8); }
}

/* ---------- summary stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .75rem;
  margin: .75rem 0 1.25rem;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .8rem 1rem;
}
.stat .label { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.stat .value { font-size: 1.4rem; font-weight: 600; color: var(--vb-navy); margin-top: .15rem; }
.stat.err .value { color: var(--err); }
.stat.warn .value { color: var(--warn); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); }
table {
  border-collapse: collapse;
  width: 100%;
  font-size: .87rem;
}
thead th {
  background: var(--surface-2);
  text-align: left;
  font-weight: 600;
  color: var(--vb-navy);
  padding: .6rem .75rem;
  border-bottom: 1px solid var(--border);
  font-size: .78rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
tbody td {
  padding: .55rem .75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
tbody tr:nth-child(2n) td { background: var(--surface-2); }
tbody tr:hover td { background: #fff7eb; }
tbody tr:last-child td { border-bottom: 0; }
.empty {
  padding: 1.25rem;
  color: var(--muted);
  font-style: italic;
  text-align: center;
}

/* ---------- inline code ---------- */
code {
  background: #eef1f5;
  color: var(--vb-navy);
  padding: 1px .35rem;
  border-radius: 3px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .85em;
}

/* ---------- download list ---------- */
.downloads { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.downloads li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .6rem .8rem;
  display: flex; align-items: center; gap: .6rem;
}
.downloads .icon {
  width: 28px; height: 28px; border-radius: 4px;
  background: var(--vb-navy);
  display: grid; place-items: center;
  color: #fff; font-size: .7rem; font-weight: 700;
  letter-spacing: .03em;
}
.downloads .icon.json { background: var(--info); }
.downloads .icon.xlsx { background: var(--ok); }
.downloads .icon.html { background: var(--vb-accent); }
.downloads .icon.intermediate { background: var(--vb-navy); }
.downloads a {
  color: var(--vb-navy);
  text-decoration: none;
  font-weight: 600;
  flex: 1;
}
.downloads a:hover { color: var(--vb-accent); }
.downloads .desc { color: var(--muted); font-size: .82rem; font-weight: 400; display: block; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: .8rem;
  padding: 1rem 1.5rem;
  text-align: center;
}
.site-footer code { font-size: .8em; }

/* ---------- helpers ---------- */
.muted { color: var(--muted); }
.row-inline { display: flex; gap: .75rem; align-items: end; flex-wrap: wrap; }
.row-inline > * { flex: 0 0 auto; }
hr.subtle { border: 0; border-top: 1px solid var(--border); margin: 1.25rem 0; }