/**
 * Linux Update Center — page styles (Phase 1–3).
 * Independent of css/pages/updates*.css. Reuses global tokens + components.
 */
.linux-updates-page {
  --luc-accent: #22c55e;
  --luc-accent-strong: #16a34a;
  --luc-accent-muted: rgba(34, 197, 94, 0.14);
  --luc-accent-border: rgba(34, 197, 94, 0.35);
  --luc-hero-accent: rgba(34, 197, 94, 0.18);
  --luc-card-accent: var(--luc-accent);
  --luc-rhel: #e11d48;
  --luc-rocky: #0ea5e9;
  --luc-alma: #a3e635;
  --luc-surface: var(--color-card, #131d33);
  --luc-border: var(--color-border, rgba(148, 163, 184, 0.14));
  --luc-text: var(--color-text, #cbd5e1);
  --luc-muted: var(--color-text-muted, #94a3b8);
  --luc-heading: var(--color-heading, #f8fafc);
  overflow-x: clip;
}

/* Dist landings inherit product accent (IBM Update Center pattern) */
html[data-luc-dist="rhel"] .linux-updates-page {
  --luc-accent: var(--luc-rhel);
  --luc-accent-strong: #be123c;
  --luc-accent-muted: rgba(225, 29, 72, 0.14);
  --luc-accent-border: rgba(225, 29, 72, 0.38);
  --luc-hero-accent: rgba(225, 29, 72, 0.16);
  --luc-card-accent: var(--luc-rhel);
}
html[data-luc-dist="rocky"] .linux-updates-page {
  --luc-accent: var(--luc-rocky);
  --luc-accent-strong: #0284c7;
  --luc-accent-muted: rgba(14, 165, 233, 0.14);
  --luc-accent-border: rgba(14, 165, 233, 0.4);
  --luc-hero-accent: rgba(14, 165, 233, 0.16);
  --luc-card-accent: var(--luc-rocky);
}
html[data-luc-dist="almalinux"] .linux-updates-page {
  --luc-accent: var(--luc-alma);
  --luc-accent-strong: #84cc16;
  --luc-accent-muted: rgba(163, 230, 53, 0.16);
  --luc-accent-border: rgba(163, 230, 53, 0.4);
  --luc-hero-accent: rgba(163, 230, 53, 0.14);
  --luc-card-accent: var(--luc-alma);
}

.linux-updates-page .luc-wrap {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 12px 16px 44px;
  min-width: 0;
  overflow-wrap: break-word;
}

.linux-updates-page .luc-breadcrumb {
  max-width: var(--container-max, 1200px);
  margin: 8px auto 0;
  padding: 0 16px;
  font-size: 12px;
  color: var(--luc-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
  overflow-wrap: anywhere;
}

.linux-updates-page .luc-breadcrumb a {
  color: var(--luc-muted);
  text-decoration: none;
}

.linux-updates-page .luc-breadcrumb a:hover {
  color: var(--luc-accent);
}

.linux-updates-page .luc-hero {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 8px 16px 0;
}

.linux-updates-page .luc-hero-inner {
  position: relative;
  overflow: hidden;
  padding: 16px 20px;
  border-radius: 10px;
  border: 1px solid var(--luc-accent-border);
  border-left: 3px solid var(--luc-accent);
  background:
    linear-gradient(135deg, var(--luc-hero-accent), transparent 55%),
    linear-gradient(135deg, #102018 0%, #131d33 55%, #0f172a 100%);
  box-shadow: 0 1px 0 rgba(148, 163, 184, 0.06);
}

html[data-theme="light"] .linux-updates-page .luc-hero-inner,
html.light .linux-updates-page .luc-hero-inner {
  background:
    linear-gradient(135deg, var(--luc-hero-accent), transparent 55%),
    var(--luc-surface);
}

.linux-updates-page .luc-hero-badge {
  display: inline-flex;
  align-items: center;
  margin-bottom: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--luc-accent);
  background: var(--luc-accent-muted);
  border: 1px solid var(--luc-accent-border);
  padding: 2px 8px;
  border-radius: 4px;
}

.linux-updates-page .luc-hero h1 {
  margin: 0 0 4px;
  font-size: clamp(20px, 2.8vw, 28px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--luc-heading);
  overflow-wrap: anywhere;
}

.linux-updates-page .luc-hero p {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--luc-muted);
  max-width: 72ch;
}

.linux-updates-page .luc-hero-note {
  margin-top: 6px !important;
  font-size: 11px !important;
  line-height: 1.4;
  opacity: 0.92;
}

.linux-updates-page .luc-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 14px;
}

.linux-updates-page .luc-subnav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  min-width: 44px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--luc-border);
  background: transparent;
  color: var(--luc-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}

.linux-updates-page .luc-subnav a:hover,
.linux-updates-page .luc-subnav a[aria-current="page"] {
  border-color: rgba(34, 197, 94, 0.45);
  background: var(--luc-accent-muted);
  color: var(--luc-heading);
}

.linux-updates-page .luc-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.linux-updates-page .luc-stat {
  position: relative;
  padding: 10px 12px 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--luc-border);
  background: var(--luc-surface);
  min-height: 52px;
  min-width: 0;
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.linux-updates-page .luc-stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--luc-accent);
  opacity: 0.85;
}

.linux-updates-page .luc-stat:hover {
  border-color: var(--luc-accent-border);
  transform: translateY(-1px);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.12);
}

.linux-updates-page .luc-stat dt {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--luc-muted);
  margin: 0 0 2px;
}

.linux-updates-page .luc-stat dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--luc-heading);
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.linux-updates-page .luc-stat-sub {
  display: block;
  margin-top: 2px;
  font-size: 10px;
  color: var(--luc-muted);
  line-height: 1.3;
  min-height: 14px;
  overflow-wrap: anywhere;
}

.linux-updates-page .luc-landing-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
  margin: 0 0 14px;
}

.linux-updates-page .luc-highlight-card {
  border: 1px solid var(--luc-border);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--luc-surface);
  min-width: 0;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.linux-updates-page .luc-highlight-card:hover {
  border-color: rgba(34, 197, 94, 0.45);
  transform: translateY(-1px);
}

.linux-updates-page .luc-highlight-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--luc-muted);
  margin-bottom: 2px;
}

.linux-updates-page .luc-highlight-value {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--luc-heading);
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.linux-updates-page .luc-highlight-sub {
  display: block;
  margin-top: 2px;
  font-size: 10px;
  color: var(--luc-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.linux-updates-page .luc-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: center;
  margin-bottom: 10px;
}

.linux-updates-page .luc-search {
  flex: 1 1 220px;
  min-width: 0;
  width: auto;
  max-width: min(480px, 100%);
  box-sizing: border-box;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--luc-border);
  background: var(--color-surface, #0f172a);
  color: var(--luc-heading);
}

.linux-updates-page .luc-sort-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.linux-updates-page .luc-sort-wrap > label {
  font-size: 11px;
  font-weight: 600;
  color: var(--luc-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.linux-updates-page .luc-toolbar #luc-sort,
.linux-updates-page .luc-sort-wrap #luc-sort {
  flex: 0 0 auto;
  min-width: 148px;
  max-width: 200px;
  min-height: 40px;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--luc-border);
  background: var(--luc-surface);
  color: var(--luc-text);
  font-size: 13px;
  box-sizing: border-box;
}

.linux-updates-page .luc-toolbar .btn {
  flex: 0 0 auto;
  min-height: 40px;
}

.linux-updates-page .luc-search:focus-visible {
  outline: 2px solid var(--luc-accent);
  outline-offset: 2px;
}

.linux-updates-page .luc-filter-block {
  margin-bottom: 8px;
}

.linux-updates-page .luc-filter-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--luc-muted);
  margin-bottom: 5px;
}

.linux-updates-page .luc-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.linux-updates-page .luc-filters .chip,
.linux-updates-page .chip {
  border-color: var(--luc-border);
}

.linux-updates-page .chip.active,
.linux-updates-page .chip[aria-pressed="true"] {
  border-color: rgba(34, 197, 94, 0.5);
  background: var(--luc-accent-muted);
  color: var(--luc-heading);
}

.linux-updates-page .luc-section-title {
  margin: 22px 0 10px;
  font-size: 18px;
  color: var(--luc-heading);
}

.linux-updates-page .luc-muted {
  color: var(--luc-muted);
  font-size: 13px;
}

.linux-updates-page .luc-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.linux-updates-page .luc-product-card,
.linux-updates-page .luc-category-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--luc-border);
  background: var(--luc-surface);
  text-decoration: none;
  color: inherit;
  min-height: 96px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.linux-updates-page .luc-product-card:hover,
.linux-updates-page .luc-category-card:hover {
  border-color: rgba(34, 197, 94, 0.45);
  transform: translateY(-1px);
}

.linux-updates-page .luc-product-card.luc-accent-rhel {
  border-left: 3px solid var(--luc-rhel);
}
.linux-updates-page .luc-product-card.luc-accent-rocky {
  border-left: 3px solid var(--luc-rocky);
}
.linux-updates-page .luc-product-card.luc-accent-alma {
  border-left: 3px solid var(--luc-alma);
}

.linux-updates-page .luc-product-label,
.linux-updates-page .luc-category-label {
  font-weight: 700;
  color: var(--luc-heading);
}

.linux-updates-page .luc-product-desc,
.linux-updates-page .luc-category-desc {
  font-size: 12px;
  color: var(--luc-muted);
  line-height: 1.4;
}

.linux-updates-page .luc-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.linux-updates-page .luc-card {
  position: relative;
  padding: 12px 12px 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--luc-border);
  background: var(--luc-surface);
  content-visibility: auto;
  contain-intrinsic-size: auto 140px;
  min-width: 0;
  overflow: hidden;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.linux-updates-page .luc-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: var(--luc-card-accent, var(--luc-accent));
  opacity: 0.22;
  transition: opacity 0.18s ease;
}

.linux-updates-page .luc-card[data-luc-accent="rhel"] {
  --luc-card-accent: var(--luc-rhel);
}
.linux-updates-page .luc-card[data-luc-accent="rocky"] {
  --luc-card-accent: var(--luc-rocky);
}
.linux-updates-page .luc-card[data-luc-accent="alma"],
.linux-updates-page .luc-card[data-luc-accent="almalinux"] {
  --luc-card-accent: var(--luc-alma);
}

.linux-updates-page .luc-card:hover,
.linux-updates-page .luc-card:focus-within {
  border-color: var(--luc-accent-border);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.1);
}

.linux-updates-page .luc-card:hover::before,
.linux-updates-page .luc-card:focus-within::before {
  opacity: 0.72;
}

.linux-updates-page .luc-card--skeleton {
  min-height: 120px;
  background: linear-gradient(
    90deg,
    rgba(148, 163, 184, 0.06),
    rgba(148, 163, 184, 0.12),
    rgba(148, 163, 184, 0.06)
  );
  background-size: 200% 100%;
  animation: luc-shimmer 1.2s ease-in-out infinite;
}

@keyframes luc-shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .linux-updates-page .luc-card--skeleton {
    animation: none;
  }
  .linux-updates-page .luc-stat,
  .linux-updates-page .luc-card,
  .linux-updates-page .luc-highlight-card {
    transition: none;
  }
  .linux-updates-page .luc-stat:hover {
    transform: none;
  }
  .linux-updates-page .luc-product-card:hover,
  .linux-updates-page .luc-category-card:hover {
    transform: none;
  }
}

.linux-updates-page .luc-card-top {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 6px;
  align-items: center;
  margin-bottom: 6px;
}

.linux-updates-page .luc-badge {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 1px 7px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: capitalize;
  border: 1px solid var(--luc-border);
  overflow-wrap: anywhere;
  white-space: normal;
  line-height: 1.35;
}

.linux-updates-page .luc-badge--sev-critical {
  color: #fecaca;
  border-color: rgba(239, 68, 68, 0.5);
  background: rgba(239, 68, 68, 0.15);
}
.linux-updates-page .luc-badge--sev-important {
  color: #fed7aa;
  border-color: rgba(249, 115, 22, 0.45);
  background: rgba(249, 115, 22, 0.14);
}
.linux-updates-page .luc-badge--sev-moderate {
  color: #fde68a;
  border-color: rgba(234, 179, 8, 0.45);
  background: rgba(234, 179, 8, 0.12);
}
.linux-updates-page .luc-badge--sev-low,
.linux-updates-page .luc-badge--sev-none {
  color: var(--luc-muted);
}

/* Light theme: solid fills + dark text for WCAG AA contrast */
html[data-theme="light"] .linux-updates-page .luc-badge--sev-critical,
html.light .linux-updates-page .luc-badge--sev-critical {
  color: #7f1d1d;
  border-color: rgba(185, 28, 28, 0.55);
  background: #fecaca;
}
html[data-theme="light"] .linux-updates-page .luc-badge--sev-important,
html.light .linux-updates-page .luc-badge--sev-important {
  color: #7c2d12;
  border-color: rgba(194, 65, 12, 0.5);
  background: #fed7aa;
}
html[data-theme="light"] .linux-updates-page .luc-badge--sev-moderate,
html.light .linux-updates-page .luc-badge--sev-moderate {
  color: #713f12;
  border-color: rgba(161, 98, 7, 0.5);
  background: #fde68a;
}

/* Screen-reader only (LUC pages do not load linux-common.css) */
.linux-updates-page .visually-hidden,
.linux-updates-page .sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.linux-updates-page .luc-suggest-item.is-active,
.linux-updates-page .luc-suggest-item[aria-selected="true"] {
  background: var(--luc-accent-muted);
  outline: 2px solid var(--luc-accent);
  outline-offset: -2px;
}

.linux-updates-page .luc-card-title {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.linux-updates-page .luc-card-title a {
  color: var(--luc-heading);
  text-decoration: none;
}

.linux-updates-page .luc-card-title a:hover {
  color: var(--luc-accent);
}

.linux-updates-page .luc-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin: 0 0 4px;
  font-size: 11px;
  color: var(--luc-muted);
}

.linux-updates-page .luc-card-summary {
  margin: 0 0 8px;
  font-size: 12px;
  line-height: 1.45;
  color: var(--luc-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.9em;
}

.linux-updates-page .luc-card-date {
  margin-left: 0;
  font-size: 11px;
  color: var(--luc-muted);
  white-space: nowrap;
}

@media (min-width: 480px) {
  .linux-updates-page .luc-card-top .luc-card-date {
    margin-left: auto;
  }
}

.linux-updates-page .luc-state {
  padding: 28px 18px;
  border-radius: 10px;
  border: 1px dashed var(--luc-border);
  text-align: center;
  background: rgba(15, 23, 42, 0.4);
}

.linux-updates-page .luc-state h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.linux-updates-page .luc-status {
  margin: 8px 0 12px;
  font-size: 12px;
  color: var(--luc-muted);
}

.linux-updates-page .luc-detail-dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0;
}

.linux-updates-page .luc-detail-dl div {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--luc-border);
  background: var(--luc-surface);
}

.linux-updates-page .luc-detail-dl dt {
  font-size: 11px;
  color: var(--luc-muted);
  margin: 0 0 4px;
}

.linux-updates-page .luc-detail-dl dd {
  margin: 0;
  font-weight: 600;
  color: var(--luc-heading);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.linux-updates-page .luc-learning {
  margin-top: 20px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--luc-border);
  background: var(--luc-surface);
}

.linux-updates-page .luc-analytics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.linux-updates-page .luc-analytics-card {
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--luc-border);
  background: var(--luc-surface);
}

.linux-updates-page .luc-analytics-card h3 {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--luc-muted);
  font-weight: 600;
}

.linux-updates-page .luc-analytics-value {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--luc-heading);
}

.linux-updates-page .luc-disclaimer {
  max-width: var(--container-max, 1200px);
  margin: 0 auto 24px;
  padding: 0 16px;
  font-size: 12px;
  color: var(--luc-muted);
}

.linux-updates-page .luc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) min(220px, 22%);
  gap: 14px;
  align-items: start;
}

.linux-updates-page .luc-sidebar {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--luc-border);
  background: var(--luc-surface);
  height: fit-content;
  position: sticky;
  top: 12px;
}

.linux-updates-page .luc-sidebar h2 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--luc-muted);
}

.linux-updates-page .luc-sidebar ul {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  color: var(--luc-text);
}

.linux-updates-page .luc-sidebar li + li {
  margin-top: 4px;
}

.linux-updates-page .luc-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--luc-border);
  font-size: 11px;
  color: var(--luc-muted);
  overflow-wrap: anywhere;
  white-space: normal;
  line-height: 1.3;
  box-sizing: border-box;
}

.linux-updates-page a.luc-chip,
.linux-updates-page .luc-chip--link,
.linux-updates-page .luc-chip--cve {
  min-height: 44px;
  padding: 6px 10px;
}

.linux-updates-page .luc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

@media (max-width: 960px) {
  .linux-updates-page .luc-layout {
    grid-template-columns: 1fr;
  }
  .linux-updates-page .luc-stats,
  .linux-updates-page .luc-grid,
  .linux-updates-page .luc-analytics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .linux-updates-page .luc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .linux-updates-page .luc-stats,
  .linux-updates-page .luc-list,
  .linux-updates-page .luc-grid,
  .linux-updates-page .luc-analytics-grid,
  .linux-updates-page .luc-detail-dl {
    grid-template-columns: 1fr;
  }
}

/* —— Phase 3: dashboard, health, search suggestions, charts —— */
.linux-updates-page #luc-health,
.linux-updates-page .luc-health {
  margin: 0 0 14px;
  min-height: 0;
}

.linux-updates-page .luc-fh {
  display: grid;
  gap: 8px;
  margin: 0;
  position: relative;
  padding: 10px 12px 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--luc-border);
  background: var(--luc-surface);
  font-size: 12px;
  line-height: 1.35;
  color: var(--luc-muted);
  min-height: 0;
  box-sizing: border-box;
  overflow: hidden;
}

.linux-updates-page .luc-fh::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--luc-accent);
  opacity: 0.85;
}

.linux-updates-page .luc-fh--degraded::before {
  background: #f59e0b;
}

.linux-updates-page .luc-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0 0 16px;
  padding: 12px 14px;
  border: 1px solid var(--luc-border);
  border-radius: 8px;
  background: var(--luc-surface);
  box-sizing: border-box;
}

.linux-updates-page .luc-controls .luc-toolbar {
  margin-bottom: 0;
}

.linux-updates-page .luc-controls .luc-suggest {
  margin: 0;
}

.linux-updates-page .luc-controls .luc-toolbar-extra {
  margin: 0;
  padding: 10px 0 0;
  border: none;
  border-top: 1px solid var(--luc-border);
  border-radius: 0;
  background: transparent;
}

html[data-theme="light"] .linux-updates-page .luc-fh,
html.light .linux-updates-page .luc-fh {
  background: var(--luc-surface);
}

.linux-updates-page .luc-fh--ok {
  border-color: rgba(34, 197, 94, 0.45);
}

.linux-updates-page .luc-fh--degraded {
  border-color: rgba(245, 158, 11, 0.45);
}

.linux-updates-page .luc-fh-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.linux-updates-page .luc-fh-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #42be65;
  box-shadow: 0 0 0 3px rgba(66, 190, 101, 0.18);
  flex-shrink: 0;
}

.linux-updates-page .luc-fh-dot[data-tone="degraded"] {
  background: #f1c21b;
  box-shadow: 0 0 0 3px rgba(241, 194, 27, 0.2);
}

.linux-updates-page .luc-fh-brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--luc-text);
}

.linux-updates-page .luc-fh-badge {
  margin-left: auto;
  font-weight: 700;
  text-transform: capitalize;
  font-size: 11px;
}

.linux-updates-page .luc-fh-badge[data-tone="ok"] {
  color: #42be65;
}

.linux-updates-page .luc-fh-badge[data-tone="degraded"] {
  color: #f1c21b;
}

.linux-updates-page .luc-fh-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 12px;
  margin: 0;
}

.linux-updates-page .luc-fh-grid > div {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.linux-updates-page .luc-fh-grid dt {
  margin: 0;
  font-size: 11px;
  font-weight: 500;
  color: var(--luc-muted);
}

.linux-updates-page .luc-fh-grid dd {
  margin: 0;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--luc-text);
  overflow-wrap: anywhere;
}

/* Legacy one-line health (kept for any static markup) */
.linux-updates-page .luc-health--ok {
  border-color: rgba(34, 197, 94, 0.45);
  background: rgba(34, 197, 94, 0.08);
}
.linux-updates-page .luc-health--degraded {
  border-color: rgba(245, 158, 11, 0.45);
  background: rgba(245, 158, 11, 0.08);
}
.linux-updates-page .luc-suggest {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 12px;
}
.linux-updates-page .luc-suggest[hidden] { display: none !important; }
.linux-updates-page .luc-suggest-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--luc-border);
  background: var(--luc-surface);
  color: var(--luc-text);
  border-radius: 8px;
  padding: 8px 12px;
  min-height: 44px;
  max-width: 100%;
  font-size: 12px;
  cursor: pointer;
  overflow-wrap: anywhere;
  box-sizing: border-box;
}
.linux-updates-page .luc-suggest-item:hover,
.linux-updates-page .luc-suggest-item:focus-visible {
  border-color: var(--luc-accent);
  outline: 2px solid rgba(34, 197, 94, 0.35);
  outline-offset: 1px;
}
.linux-updates-page .luc-mark {
  background: rgba(34, 197, 94, 0.28);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}
.linux-updates-page .luc-toolbar-extra {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px 10px;
  margin: 0 0 12px;
  padding: 10px 12px;
  align-items: end;
  border: 1px solid var(--luc-border);
  border-radius: 8px;
  background: rgba(19, 29, 51, 0.45);
}

html[data-theme="light"] .linux-updates-page .luc-toolbar-extra,
html.light .linux-updates-page .luc-toolbar-extra {
  background: var(--luc-surface);
}
.linux-updates-page .luc-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.linux-updates-page .luc-toolbar-extra label,
.linux-updates-page .luc-field label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--luc-muted);
}
.linux-updates-page .luc-toolbar-extra select,
.linux-updates-page .luc-toolbar-extra input[type="date"],
.linux-updates-page .luc-field select,
.linux-updates-page .luc-field input[type="date"] {
  width: 100%;
  background: var(--luc-surface);
  color: var(--luc-text);
  border: 1px solid var(--luc-border);
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 13px;
  min-height: 40px;
  max-width: 100%;
  box-sizing: border-box;
}
@media (max-width: 960px) {
  .linux-updates-page .luc-toolbar-extra {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 520px) {
  .linux-updates-page .luc-toolbar-extra {
    grid-template-columns: 1fr;
  }
  .linux-updates-page .luc-search {
    max-width: 100%;
    flex-basis: 100%;
  }
  .linux-updates-page .luc-toolbar #luc-sort,
  .linux-updates-page .luc-sort-wrap {
    flex: 1 1 auto;
    max-width: none;
  }
  .linux-updates-page .luc-sort-wrap #luc-sort {
    flex: 1 1 auto;
    max-width: none;
    min-width: 0;
  }
}
.linux-updates-page .luc-dist-card,
.linux-updates-page .luc-product-card {
  text-decoration: none;
}
.linux-updates-page .luc-grid--dist {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.linux-updates-page .luc-dash-section { margin: 18px 0; }
.linux-updates-page .luc-chip--link {
  text-decoration: none;
  margin: 0 6px 6px 0;
}
.linux-updates-page .luc-chip--link:hover { color: var(--luc-accent); border-color: var(--luc-accent); }
.linux-updates-page .luc-analytics-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}
.linux-updates-page .luc-analytics-panel {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--luc-border);
  background: var(--luc-surface);
}
.linux-updates-page .luc-analytics-panel h3 {
  margin: 0 0 10px;
  font-size: 14px;
}
.linux-updates-page .luc-bars { display: grid; gap: 8px; }
.linux-updates-page .luc-bar-row {
  display: grid;
  grid-template-columns: minmax(72px, 120px) 1fr 40px;
  gap: 8px;
  align-items: center;
  font-size: 12px;
}
.linux-updates-page .luc-bar-label { color: var(--luc-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.linux-updates-page .luc-bar-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.16);
  overflow: hidden;
}
.linux-updates-page .luc-bar-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--luc-accent-strong), var(--luc-accent));
}
.linux-updates-page .luc-bar-count { text-align: right; color: var(--luc-muted); }
.linux-updates-page .luc-more-wrap { margin: 14px 0 8px; text-align: center; }
.linux-updates-page .luc-pkg-list,
.linux-updates-page .luc-ref-list {
  margin: 0 0 16px;
  padding-left: 18px;
  font-size: 13px;
}
.linux-updates-page .luc-pkg-list code {
  font-size: 12px;
  word-break: break-all;
}
@media (max-width: 960px) {
  .linux-updates-page .luc-grid--dist,
  .linux-updates-page .luc-analytics-panels {
    grid-template-columns: 1fr;
  }
  .linux-updates-page .luc-bar-row {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "label count"
      "track track";
  }
  .linux-updates-page .luc-bar-label { grid-area: label; }
  .linux-updates-page .luc-bar-count { grid-area: count; }
  .linux-updates-page .luc-bar-track { grid-area: track; }
}

/* ——— Phase 4: learning, lifecycle, tools, print ——— */
.linux-updates-page .luc-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 12px 0 4px;
}

.linux-updates-page .luc-tools .btn {
  min-height: 44px;
}
.linux-updates-page .luc-tools-status {
  font-size: 12px;
  color: var(--luc-muted);
}
.linux-updates-page .luc-learning-topics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 12px;
}
.linux-updates-page .luc-learning-card {
  padding: 14px;
  border: 1px solid var(--luc-border);
  border-radius: 10px;
  background: var(--luc-surface);
}
.linux-updates-page .luc-learning-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}
.linux-updates-page .luc-learning-card ul {
  margin: 8px 0 0;
  padding-left: 18px;
  font-size: 13px;
}
.linux-updates-page .luc-related-content {
  margin-top: 18px;
}
.linux-updates-page .luc-related-block {
  margin-bottom: 14px;
}
.linux-updates-page .luc-related-list {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
}
.linux-updates-page .luc-life-versions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr));
  gap: 12px;
  margin: 10px 0 20px;
}
.linux-updates-page .luc-life-card {
  padding: 12px;
  border: 1px solid var(--luc-border);
  border-radius: 10px;
  background: var(--luc-surface);
}
.linux-updates-page .luc-life-card header {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}
.linux-updates-page .luc-life-status--supported {
  border-color: #16a34a;
  color: #16a34a;
}
.linux-updates-page .luc-life-status--retired {
  border-color: #dc2626;
  color: #dc2626;
}
.linux-updates-page .luc-chip--cve {
  text-decoration: none;
}
@media (max-width: 960px) {
  .linux-updates-page .luc-learning-topics {
    grid-template-columns: 1fr;
  }
}

/* —— Responsive polish: phones, tablets, ultra-wide containment —— */
@media (max-width: 820px) {
  .linux-updates-page .luc-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .linux-updates-page .luc-wrap {
    padding: 12px 12px 40px;
  }

  .linux-updates-page .luc-breadcrumb,
  .linux-updates-page .luc-hero,
  .linux-updates-page .luc-disclaimer {
    padding-left: 12px;
    padding-right: 12px;
  }

  .linux-updates-page .luc-hero-inner {
    padding: 14px 14px;
  }

  .linux-updates-page .luc-subnav {
    gap: 6px;
    margin: 12px 0 14px;
  }

  .linux-updates-page .luc-subnav a {
    flex: 1 1 calc(50% - 6px);
    justify-content: center;
    text-align: center;
  }

  .linux-updates-page .luc-tools .btn,
  .linux-updates-page .luc-toolbar .btn,
  .linux-updates-page .luc-more-wrap .btn {
    flex: 1 1 auto;
    min-height: 44px;
    justify-content: center;
  }

  .linux-updates-page .luc-analytics-value {
    font-size: 20px;
  }

  .linux-updates-page .luc-card {
    padding: 12px;
  }

  .linux-updates-page .luc-card-date {
    white-space: normal;
  }
}

@supports not (overflow-x: clip) {
  .linux-updates-page {
    overflow-x: hidden;
  }
}

@media print {
  .linux-updates-page .home-header,
  .linux-updates-page .luc-subnav,
  .linux-updates-page .luc-tools,
  .linux-updates-page .luc-sidebar,
  .linux-updates-page #footer-container,
  .linux-updates-page .skip-link {
    display: none !important;
  }
  .linux-updates-page .luc-wrap {
    max-width: none;
  }
  .linux-updates-page .luc-card {
    break-inside: avoid;
  }
}

/* ——— v1.0 RC: focus / contrast polish ——— */
.linux-updates-page .chip:focus-visible,
.linux-updates-page .luc-chip:focus-visible,
.linux-updates-page .btn:focus-visible,
.linux-updates-page .luc-subnav a:focus-visible {
  outline: 2px solid var(--luc-accent);
  outline-offset: 2px;
}
.linux-updates-page .luc-state:focus {
  outline: none;
}
.linux-updates-page .luc-mark {
  background: rgba(250, 204, 21, 0.35);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}