:root {
  --bg-base: #f4f5f7;
  --surface: #ffffff;
  --surface-soft: #fafbfc;
  --text-main: #172b4d;
  --text-muted: #6b778c;
  --border: #dfe1e6;
  --primary: #0052cc;
  --primary-soft: #deebff;
  --success: #00875a;
  --warning: #ff991f;
  --danger: #de350b;
  --legacy-accent: #7a869a;
  --legacy-soft: #f8f9fb;
  --incoming-accent: #0052cc;
  --incoming-soft: #eaf2ff;
  --radius-sm: 6px;
  --radius-md: 10px;
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-main);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5,h6 { color: var(--text-main); letter-spacing: -0.01em; }
small,.text-muted { color: var(--text-muted) !important; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-nav-inner {
  width: min(1320px, calc(100% - 1.5rem));
  margin: 0 auto;
  padding: var(--space-sm) 0 var(--space-md);
}
.brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: var(--space-xs);
}
.nav-group {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px 12px;
  background: var(--surface);
  margin-top: 8px;
}
.nav-group label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.nav-links-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.nav-links-grid a {
  text-decoration: none;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 500;
  transition: all .15s ease;
}
.nav-links-grid a:hover,
.nav-links-grid a:focus-visible {
  color: var(--primary);
  background: var(--primary-soft);
  border-color: #b3d4ff;
  outline: none;
}

.page-legacy .legacy-links { border-left: 4px solid var(--legacy-accent); background: var(--legacy-soft); }
.page-incoming .incoming-links { border-left: 4px solid var(--incoming-accent); background: var(--incoming-soft); }

.context-header {
  width: min(1320px, calc(100% - 1.5rem));
  margin: 10px auto 14px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}
.context-copy { color: #344563; font-size: .92rem; }
.page-legacy .context-header { border-color: #e4e7ec; background: #fbfcfd; }
.page-incoming .context-header { border-color: #c7dbff; background: #f5f9ff; }

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge-legacy { background: #e9edf2; color: #44546a; }
.badge-incoming { background: #dbe9ff; color: #0747a6; }
.badge-stable { background: #e3fcef; color: #006644; }
.badge-warning { background: #fff0b3; color: #7a4f01; }
.badge-critical { background: #ffebe6; color: #bf2600; }

.container,.page-shell {
  width: min(1320px, calc(100% - 1.5rem));
  margin: 0 auto;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: none;
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}
.card-header {
  background: var(--surface-soft);
  border-bottom: 1px solid var(--border);
  margin: calc(var(--space-md) * -1) calc(var(--space-md) * -1) var(--space-md);
  padding: 10px var(--space-md);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-weight: 600;
  color: var(--text-main);
}
.card-header.bg-primary,
.card-header.bg-info,
.card-header.bg-success {
  background: #f0f5ff !important;
  color: #003b8e !important;
  border-bottom-color: #c7dbff;
}

.table-responsive { border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f7f8fa;
  color: #44546a;
  font-size: 11px;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  padding: 10px 12px;
}
td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
tr:hover td { background: #fafbfc; }

label.form-label { font-size: 12px; font-weight: 600; color: #344563; }
input,select,textarea,.form-control,.form-select {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
}
input:focus,select:focus,textarea:focus,.form-control:focus,.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0,82,204,.2);
}

.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 13px;
  line-height: 1.2;
}
.btn-primary,.primary { background: var(--primary); border-color: var(--primary); }
.btn-outline-primary { color: var(--primary); border-color: #9fc1ff; }
.btn-outline-primary:hover { background: var(--primary-soft); color: #003b8e; border-color: #7eabff; }
.btn-outline-success { color: #006644; border-color: #8fd4b9; }
.btn-outline-success:hover { background: #e3fcef; color: #00523a; border-color: #62bf99; }

.alert {
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #f7f8fa;
  color: #344563;
}
.alert-info { border-color: #b3d4ff; background: #edf4ff; color: #0747a6; }
.alert-danger { border-color: #ffd5cc; background: #ffebe6; color: #bf2600; }

pre {
  background: #f7f8fa;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 0;
  max-height: 420px;
  overflow: auto;
}

#results { background: #f7f8fa; border-color: var(--border) !important; }
#results em { color: var(--text-muted) !important; font-style: italic; }

.context-banner {
  width: min(1320px, calc(100% - 1.5rem));
  margin: 0 auto 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--surface);
}
.context-banner .title { margin: 0 0 4px; font-weight: 600; color: var(--text-main); }
.context-banner .sub { margin: 0; color: var(--text-muted); }
.context-pill {
  display: inline-flex;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  margin-left: 8px;
}
.context-pill.legacy { background: #e9edf2; color: #44546a; }
.context-pill.incoming { background: #dbe9ff; color: #0747a6; }

.page-legacy .context-banner { background: #fbfcfd; }
.page-incoming .context-banner { background: #f5f9ff; }

@media (max-width: 900px) {
  .site-nav-inner,.container,.page-shell,.context-header,.context-banner { width: calc(100% - 1rem); }
}
/* Micro-pass polish: tighter typography rhythm + table readability */
body { letter-spacing: 0.005em; }

.card { transition: border-color .15s ease, background-color .15s ease; }
.card:hover { border-color: #cfd4dc; }

.card-header {
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.table-responsive {
  overflow: auto;
}

table { font-size: 13px; }
th { font-size: 10.5px; padding-top: 9px; padding-bottom: 9px; }
td { line-height: 1.4; }

.form-control, .form-select, input, select, textarea {
  min-height: 36px;
}

.btn {
  min-height: 34px;
  padding-top: 0.45rem;
  padding-bottom: 0.45rem;
}

pre code { white-space: pre-wrap; word-break: break-word; }

@media (max-width: 768px) {
  .site-nav-inner { padding-top: 10px; }
  .nav-group { padding: 8px 10px 10px; }
  .context-header { padding: 10px 12px; }
}