.case-header {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 12px 0 28px;
}

.case-title {
  font-family: var(--font-display);
  font-size: var(--text-case-title);
  color: var(--color-text);
  margin-bottom: 10px;
}

.case-context {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  color: var(--color-text-muted);
  font-size: var(--text-meta);
}

.case-status-badge {
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.case-status-badge.in-progress { color: var(--color-status-progress); border: 1px solid var(--color-status-progress); }
.case-status-badge.completed { color: var(--color-status-complete); border: 1px solid var(--color-status-complete); }

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag-chip {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  border: 1px solid var(--color-divider);
  border-radius: 3px;
  padding: 3px 9px;
}

.case-hero {
  width: 100%;
  max-height: 70vh;
  background: var(--color-bg-elevated);
  overflow: hidden;
  margin: 0 0 36px;
}

.case-hero img,
.case-hero video {
  width: 100%;
  max-height: 70vh;
  object-fit: cover;
}

.case-section {
  max-width: var(--content-max);
  margin: 0 auto;
  padding-bottom: 8px;
}

.case-general {
  font-size: var(--text-body);
  line-height: 1.75;
  color: var(--color-text);
}

.case-subhead {
  font-size: var(--text-subhead);
  font-weight: 600;
  margin: 8px 0 18px;
  color: var(--color-text);
}

.case-technical {
  font-size: var(--text-body);
  line-height: 1.75;
  color: var(--color-text);
}

.case-technical h2 {
  font-family: var(--font-body);
  font-size: var(--text-subhead);
  font-weight: 600;
  margin: 36px 0 14px;
}

.case-technical h2:first-child { margin-top: 0; }

.case-technical p { margin-bottom: 16px; }

.case-technical code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-bg-elevated);
  padding: 2px 6px;
  border-radius: 2px;
  color: var(--color-accent);
}

.case-technical pre {
  font-family: var(--font-mono);
  background: var(--color-bg-elevated);
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 16px;
}

.case-technical ul, .case-technical ol {
  margin: 0 0 16px;
  padding-left: 22px;
}

.case-technical plotly-chart,
.case-technical stl-reader,
.case-technical vtk-reader {
  margin: 24px 0;
  border: 1px solid var(--color-divider);
}

.case-technical em {
  color: var(--color-text-muted);
  font-size: 14px;
}

.case-supporting {
  max-width: 1100px;
  margin: 8px auto 0;
}

.case-supporting-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 16px;
}

@media (min-width: 640px) {
  .case-supporting-grid { grid-template-columns: repeat(2, 1fr); }
}

.case-supporting-grid figure {
  margin: 0;
  background: var(--color-bg-elevated);
}

.case-supporting-grid figcaption {
  padding: 8px 10px;
  font-size: var(--text-meta);
  color: var(--color-text-muted);
}

.case-footer {
  max-width: var(--content-max);
  margin: 0 auto;
  padding-top: 8px;
}

.case-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.case-links a {
  color: var(--color-accent);
  font-size: 15px;
  transition: opacity 150ms ease-out;
}

.case-links a:hover { opacity: 0.75; }

.case-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.case-related-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-elevated);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  aspect-ratio: 4 / 3;
}

.case-related-tile img,
.case-related-tile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.case-related-tile .tile-title {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--color-text);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
}

.case-pager {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin: 8px 0 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-divider);
}

.case-pager-link {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 48%;
  color: var(--color-text);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
}

.case-pager-link:hover { color: var(--color-accent); }

.case-pager-next { margin-left: auto; text-align: right; flex-direction: row-reverse; }

.case-pager-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.case-pager-arrow {
  font-size: 18px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.case-pager-spacer { flex: 1; }

@media (max-width: 560px) {
  .case-pager { flex-direction: column; gap: 16px; }
  .case-pager-link, .case-pager-next { max-width: 100%; }
}