/* IBM Update knowledge page — premium compact (matches hub) */

.update-detail-page {
  --discovery-text: var(--color-heading);
  --discovery-text-muted: var(--color-text-muted);
  --discovery-text-body: var(--color-text);
  --uc-accent: #0f62fe;
  --uc-accent-muted: rgba(15, 98, 254, 0.14);
  --uc-accent-border: rgba(15, 98, 254, 0.35);
  --uc-hero-accent: rgba(15, 98, 254, 0.2);
}

.update-detail-page[data-uc-accent="aix"] { --uc-accent: #0f62fe; --uc-accent-muted: rgba(15, 98, 254, 0.14); --uc-accent-border: rgba(15, 98, 254, 0.4); }
.update-detail-page[data-uc-accent="vios"] { --uc-accent: #8a3ffc; --uc-accent-muted: rgba(138, 63, 252, 0.14); --uc-accent-border: rgba(138, 63, 252, 0.38); }
.update-detail-page[data-uc-accent="flashsystem"] { --uc-accent: #009d9a; --uc-accent-muted: rgba(0, 157, 154, 0.14); --uc-accent-border: rgba(0, 157, 154, 0.38); }
.update-detail-page[data-uc-accent="redbooks"] { --uc-accent: #da1e28; --uc-accent-muted: rgba(218, 30, 40, 0.12); --uc-accent-border: rgba(218, 30, 40, 0.35); }
.update-detail-page[data-uc-accent="flrt"] { --uc-accent: #4589ff; --uc-accent-muted: rgba(69, 137, 255, 0.14); --uc-accent-border: rgba(69, 137, 255, 0.38); }
.update-detail-page[data-uc-accent="security"] { --uc-accent: #ff832b; --uc-accent-muted: rgba(255, 131, 43, 0.12); --uc-accent-border: rgba(255, 131, 43, 0.35); }

.update-detail-page .ud-state {
  width: 100%;
  max-width: var(--container-max);
  margin: 24px auto;
  padding: 0 var(--gutter);
  text-align: center;
  color: var(--discovery-text-muted);
}

.update-detail-page .ud-hero {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: 8px 0;
  box-sizing: border-box;
}

.update-detail-page .ud-hero-inner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-medium);
  padding: 14px 18px;
  border: 1px solid var(--uc-accent-border);
  border-left: 3px solid var(--uc-accent);
  background:
    linear-gradient(135deg, var(--uc-hero-accent), transparent 55%),
    var(--gradient-card);
  box-shadow: var(--shadow-soft);
  text-align: left;
}

.update-detail-page .ud-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: flex-start;
  margin-bottom: 6px;
}

.update-detail-page .ud-hero-release {
  margin: 0;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--uc-accent);
}

.update-detail-page .ud-hero-date {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--discovery-text-body);
}

.update-detail-page .ud-hero h1 {
  margin: 6px 0 4px;
  font-size: clamp(18px, 2.6vw, 26px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--discovery-text);
}

.update-detail-page .ud-hero-version {
  margin: 0;
  font-size: 13px;
  color: var(--discovery-text-body);
}

.update-detail-page .ud-wrap {
  width: 100%;
  max-width: var(--container-max);
  margin: 12px auto 32px;
  padding-inline: var(--gutter);
  box-sizing: border-box;
}

.update-detail-page .ud-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) min(220px, 22%);
  gap: 12px;
  align-items: start;
}

.update-detail-page .ud-section {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--discovery-border);
}

.update-detail-page .ud-section:last-child {
  border-bottom: 0;
}

.update-detail-page .ud-section h2 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--discovery-text);
}

.update-detail-page .ud-section h3 {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--discovery-text-muted);
}

.update-detail-page .ud-prose p {
  margin: 0 0 8px;
  color: var(--discovery-text-body);
  line-height: 1.5;
  font-size: 13px;
}

.update-detail-page .ud-summary-label {
  margin: 0 0 8px;
  font-size: 11px;
  line-height: 1.4;
  color: var(--discovery-text-body);
}

.update-detail-page .ud-source-trust {
  margin: 0 0 10px;
  font-size: 11px;
  line-height: 1.4;
  color: var(--discovery-text-body);
}

.update-detail-page .ud-source-trust-label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 10px;
}

.update-detail-page .ud-source-trust-value {
  color: var(--discovery-text-body);
}

.update-detail-page .ud-operational-notice {
  margin: 0 0 10px;
  padding: 8px 10px;
  border: 1px solid var(--discovery-border);
  border-radius: var(--radius-medium);
  background: var(--gradient-card);
  font-size: 11px;
  line-height: 1.45;
  color: var(--discovery-text-muted);
}

.update-detail-page .ud-operational-notice-heading {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--discovery-text-muted);
}

.update-detail-page .ud-operational-notice p:last-child {
  margin: 0;
}

@media print {
  .update-detail-page .ud-operational-notice {
    display: none !important;
  }
}

.update-detail-page .ud-why-row {
  margin-bottom: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-medium);
  border: 1px solid var(--discovery-border);
  background: rgba(255, 255, 255, 0.02);
}

.update-detail-page .ud-why-row dt {
  font-weight: 600;
  font-size: 12px;
  margin-bottom: 3px;
  color: var(--discovery-text);
}

.update-detail-page .ud-why-row dd {
  margin: 0;
  color: var(--discovery-text-muted);
  line-height: 1.45;
  font-size: 12px;
}

.update-detail-page .ud-why-row dd ul {
  margin: 4px 0 0;
  padding-left: 1.1rem;
}

.update-detail-page .ud-tech-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.update-detail-page .ud-tech-table th,
.update-detail-page .ud-tech-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--discovery-border);
  text-align: left;
  vertical-align: top;
}

.update-detail-page .ud-tech-table th {
  width: 36%;
  font-weight: 600;
  color: var(--discovery-text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.update-detail-page .ud-learning-list,
.update-detail-page .ud-related-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.update-detail-page .ud-learning-compact {
  font-size: 12px;
  line-height: 1.4;
  color: var(--discovery-text-muted);
}

.update-detail-page .ud-learning-inline-link {
  color: var(--uc-accent);
  text-decoration: none;
  font-weight: 500;
}

.update-detail-page .ud-learning-inline-link:hover,
.update-detail-page .ud-learning-inline-link:focus-visible {
  text-decoration: underline;
  outline: none;
}

.update-detail-page .ud-related-block {
  margin-bottom: 12px;
}

.update-detail-page .ud-related-list li {
  margin-bottom: 4px;
  font-size: 12px;
}

.update-detail-page .ud-related-list a {
  color: var(--discovery-text-muted);
  text-decoration: none;
}

.update-detail-page .ud-related-list a:hover {
  color: var(--uc-accent);
}

.update-detail-page .ud-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 0;
}

.update-detail-page .ud-action-row .btn {
  min-height: 34px;
  font-size: 12px;
}

.update-detail-page .ud-hub-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.update-detail-page .ud-hub-chips .chip {
  font-size: 11px;
  min-height: 28px;
}

.update-detail-page #ud-loading,
.update-detail-page #ud-page,
.update-detail-page #ud-error {
  min-height: 480px;
}

.update-detail-page #ud-main.ud-wrap {
  min-height: 520px;
}

.update-detail-page .ud-sidebar .uc-sidebar-panel {
  padding: 10px 12px;
}

@media (max-width: 960px) {
  .update-detail-page .ud-layout {
    grid-template-columns: 1fr;
  }

  .update-detail-page .ud-sidebar {
    position: static;
  }
}

@media (max-width: 600px) {
  .update-detail-page .ud-action-row .btn {
    flex: 1 1 45%;
    justify-content: center;
  }
}

/* Phase 3: documentation-style detail */
.update-detail-page .ud-section h2 {
  font-size: 1rem;
  border-bottom: 1px solid var(--discovery-border);
  padding-bottom: 6px;
}

.update-detail-page .ud-collapse {
  border: 0;
}

.update-detail-page .ud-collapse > summary {
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--discovery-text);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--discovery-border);
  list-style: none;
}

.update-detail-page .ud-collapse > summary::-webkit-details-marker {
  display: none;
}

.update-detail-page .ud-collapse > summary::after {
  content: "▾";
  float: right;
  color: var(--discovery-text-muted);
  font-size: 12px;
  transition: transform 0.15s ease;
}

.update-detail-page .ud-collapse:not([open]) > summary::after {
  transform: rotate(-90deg);
}

.update-detail-page .ud-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.update-detail-page .ud-timeline li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--discovery-border);
  background: rgba(255, 255, 255, 0.02);
  font-size: 12px;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.update-detail-page .ud-timeline li.is-current {
  border-color: var(--uc-accent-border);
  background: var(--uc-accent-muted);
}

.update-detail-page .ud-timeline a {
  font-weight: 700;
  color: var(--uc-accent);
  text-decoration: none;
}

.update-detail-page .ud-timeline a:hover {
  text-decoration: underline;
}

.update-detail-page .ud-timeline time {
  font-size: 10px;
  color: var(--discovery-text-muted);
}

.update-detail-page .ud-official-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.uc-ext-icon {
  display: inline-block;
  vertical-align: -2px;
  margin-left: 4px;
  opacity: 0.85;
}

.update-detail-page .uc-star {
  color: var(--uc-accent);
}

.update-detail-page .ud-intel-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 4px 0 6px;
}

.update-detail-page .ui-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--discovery-border);
}

.update-detail-page .ui-badge--type {
  color: var(--uc-accent);
  background: var(--uc-accent-muted);
  border-color: var(--uc-accent-border);
}

.update-detail-page .ui-badge--risk-critical {
  color: #fa4d56;
  background: rgba(250, 77, 86, 0.12);
  border-color: rgba(250, 77, 86, 0.35);
}

.update-detail-page .ui-badge--risk-recommended {
  color: #4589ff;
  background: rgba(69, 137, 255, 0.12);
  border-color: rgba(69, 137, 255, 0.35);
}

.update-detail-page .ui-badge--risk-routine {
  color: #009d9a;
  background: rgba(0, 157, 154, 0.12);
  border-color: rgba(0, 157, 154, 0.35);
}

.update-detail-page .ui-badge--risk-informational {
  color: var(--discovery-text-muted);
  background: rgba(148, 163, 184, 0.1);
}

.update-detail-page .ui-list-host ul,
.update-detail-page .ud-prose ul {
  margin: 0;
  padding-left: 1.15rem;
}

.update-detail-page .ui-list-host li,
.update-detail-page .ud-prose li {
  margin-bottom: 4px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--discovery-text-muted);
}

.update-detail-page .ui-lead {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--discovery-text);
}

.update-detail-page .ui-date-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.update-detail-page .ui-date-timeline li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--discovery-border);
  background: rgba(255, 255, 255, 0.02);
  font-size: 12px;
}

.update-detail-page .ui-tl-label {
  font-weight: 700;
  color: var(--discovery-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 10px;
}

.update-detail-page .ud-faq-item {
  border: 1px solid var(--discovery-border);
  border-radius: var(--radius-medium);
  padding: 8px 12px;
  margin-bottom: 6px;
  background: rgba(255, 255, 255, 0.02);
}

.update-detail-page .ud-faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  line-height: 1.4;
}

.update-detail-page .ud-faq-item p {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--discovery-text-muted);
  line-height: 1.45;
}

@media (prefers-reduced-motion: reduce) {
  .update-detail-page .ud-collapse > summary::after,
  .update-detail-page .ud-timeline li {
    transition: none;
  }
}