/* IBM AIX & Power Update Center — discovery family */

.uc-hero {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: 24px 0;
  box-sizing: border-box;
}

.uc-hero-inner {
  position: relative;
  overflow: hidden;
  text-align: center;
  border-radius: var(--radius-xlarge);
  padding: clamp(40px, 5vw, 48px) clamp(24px, 3vw, 32px);
  border: 1px solid var(--discovery-border);
  background: var(--discovery-ambient-hero-panel), var(--gradient-card);
  box-shadow: var(--shadow-medium), var(--shadow-inset);
}

.uc-hero-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    500px 180px at 50% -30px,
    rgba(56, 189, 248, 0.18),
    transparent
  );
  pointer-events: none;
}

.uc-hero h1 {
  position: relative;
  z-index: 1;
  margin: 12px 0 10px;
  font-size: clamp(28px, 4.2vw, 42px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradient-heading);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.uc-hero p {
  position: relative;
  z-index: 1;
  margin: 0 auto;
  max-width: 52ch;
  color: var(--discovery-text-muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.55;
}

.uc-hero-note {
  margin-top: 12px !important;
  font-size: 13px !important;
  color: var(--discovery-text-accent) !important;
}

.uc-wrap {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 28px var(--gutter) 64px;
  box-sizing: border-box;
}

.uc-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.uc-stat {
  border: 1px solid var(--discovery-border);
  border-radius: var(--radius-medium);
  background: var(--gradient-card);
  padding: 16px 18px;
  min-height: 88px;
}

.uc-stat-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--discovery-text-muted);
  margin-bottom: 6px;
}

.uc-stat-value {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--discovery-text);
  line-height: 1.2;
}

.uc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 28px;
  align-items: start;
}

.uc-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.uc-search {
  flex: 1 1 280px;
  max-width: 520px;
}

.uc-sort-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.uc-sort-wrap label {
  font-size: 13px;
  font-weight: 600;
  color: var(--discovery-text-muted);
}

.uc-sort-wrap select {
  min-height: 44px;
  border-radius: var(--radius-medium);
  border: 1px solid var(--discovery-border-strong);
  background: var(--discovery-search-bg);
  color: var(--discovery-text);
  padding: 0 12px;
  font: inherit;
}

.uc-sort-wrap select:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.uc-filter-block {
  margin-bottom: 12px;
}

.uc-filter-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--discovery-text-muted);
  margin-bottom: 8px;
}

.uc-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.uc-status {
  min-height: 1.25em;
  margin: 8px 0 16px;
  font-size: 13px;
  color: var(--discovery-text-muted);
}

.uc-list {
  display: grid;
  gap: 16px;
  content-visibility: auto;
  contain-intrinsic-size: auto 240px;
}

.uc-card {
  border: 1px solid var(--discovery-border);
  border-radius: var(--radius-large);
  background: var(--gradient-card);
  padding: 20px 22px;
  box-shadow: var(--shadow-soft);
  transition:
    border-color var(--duration-theme) var(--ease-theme),
    box-shadow var(--duration-theme) var(--ease-theme);
}

.uc-card:focus-visible,
.uc-card--focus {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.uc-card:hover {
  border-color: var(--discovery-border-strong);
  box-shadow: var(--shadow-medium);
}

.uc-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.uc-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  border: 1px solid var(--discovery-border-strong);
  background: var(--color-primary-muted);
  color: var(--discovery-text-accent);
}

.uc-badge--product {
  background: transparent;
  color: var(--discovery-text);
}

.uc-card-title {
  margin: 0 0 8px;
  font-size: 1.15rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--discovery-text);
}

.uc-card-meta {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--discovery-text-muted);
}

.uc-card-summary {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--discovery-text);
}

.uc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}

.uc-tags li {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--discovery-border);
  color: var(--discovery-text-muted);
}

.uc-related {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: var(--radius-medium);
  border: 1px dashed var(--discovery-border-strong);
  background: var(--color-primary-muted);
}

.uc-related-label {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--discovery-text-accent);
}

.uc-related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.uc-related-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  font-size: 14px;
}

.uc-related-type {
  color: var(--discovery-text-accent);
  font-weight: 700;
}

.uc-related-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--discovery-text-muted);
}

.uc-related-list a {
  color: var(--discovery-text);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.uc-related-list a:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.uc-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.uc-card-actions .btn {
  min-height: 44px;
}

.uc-btn-bookmark.is-active {
  border-color: var(--discovery-text-accent);
  color: var(--discovery-text-accent);
}

.uc-load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.uc-state {
  border: 1px solid var(--discovery-border);
  border-radius: var(--radius-large);
  background: var(--gradient-card);
  padding: 36px 24px;
  text-align: center;
}

.uc-state h2 {
  margin: 0 0 8px;
  font-size: 1.25rem;
  color: var(--discovery-text);
}

.uc-state p {
  margin: 0 auto 16px;
  max-width: 36ch;
  color: var(--discovery-text-muted);
}

/* Skeletons */
.uc-card--skeleton {
  min-height: 180px;
  pointer-events: none;
}

.uc-skel {
  display: block;
  border-radius: 6px;
  background: linear-gradient(
    90deg,
    var(--discovery-border) 0%,
    var(--color-primary-muted) 50%,
    var(--discovery-border) 100%
  );
  background-size: 200% 100%;
  animation: uc-shimmer 1.2s ease-in-out infinite;
}

.uc-skel-badges {
  width: 40%;
  height: 22px;
  margin-bottom: 14px;
}

.uc-skel-title {
  width: 78%;
  height: 22px;
  margin-bottom: 12px;
}

.uc-skel-meta {
  width: 36%;
  height: 14px;
  margin-bottom: 14px;
}

.uc-skel-summary {
  width: 100%;
  height: 14px;
  margin-bottom: 8px;
}

.uc-skel-summary.short {
  width: 62%;
}

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

@media (prefers-reduced-motion: reduce) {
  .uc-skel {
    animation: none;
  }
}

/* Sidebar */
.uc-sidebar {
  position: sticky;
  top: 88px;
  display: grid;
  gap: 16px;
}

.uc-sidebar-panel {
  border: 1px solid var(--discovery-border);
  border-radius: var(--radius-large);
  background: var(--gradient-card);
  padding: 16px 18px;
}

.uc-sidebar-panel h2 {
  margin: 0 0 12px;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: var(--discovery-text);
}

.uc-sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.uc-sidebar-list li {
  display: grid;
  gap: 2px;
}

.uc-sidebar-link {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0;
  margin: 0;
  text-align: left;
  font: inherit;
  color: var(--discovery-text);
  cursor: pointer;
  text-decoration: none;
  line-height: 1.35;
}

.uc-sidebar-link:hover {
  color: var(--discovery-text-accent);
}

.uc-sidebar-link:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.uc-muted {
  font-size: 12px;
  color: var(--discovery-text-muted);
}

.uc-sidebar-empty {
  font-size: 13px;
  color: var(--discovery-text-muted);
}

.uc-quick-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 1100px) {
  .uc-layout {
    grid-template-columns: 1fr;
  }

  .uc-sidebar {
    position: static;
    order: -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .uc-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .uc-sidebar {
    grid-template-columns: 1fr;
  }

  .uc-card-actions {
    flex-direction: column;
  }

  .uc-card-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 420px) {
  .uc-stats {
    grid-template-columns: 1fr;
  }
}