:root {
  color-scheme: light;
  --color-canvas: #f4f7f8;
  --color-surface: #ffffff;
  --color-surface-muted: #f7faf9;
  --color-surface-subtle: #f7faf9;
  --color-surface-accent: #edf5f3;
  --color-focus: #0d5149;
  --color-text: #182422;
  --color-text-secondary: #44524f;
  --color-text-muted: #5f6f6c;
  --color-border: #d7e1df;
  --color-border-strong: #aebfbb;
  --color-accent: #176b61;
  --color-accent-strong: #0d5149;
  --color-accent-soft: #dcefeb;
  --color-info: #245d82;
  --color-success: #246746;
  --color-warning: #8a5a0a;
  --color-warning-soft: #fff8df;
  --color-danger: #9b2c2c;
  --shadow-subtle: 0 1px 2px rgba(15, 35, 31, 0.04), 0 10px 28px rgba(15, 35, 31, 0.05);
  --shadow-sm: 0 1px 2px rgba(15, 35, 31, 0.04), 0 10px 28px rgba(15, 35, 31, 0.05);
  --shadow-raised: 0 14px 38px rgba(15, 35, 31, 0.09);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --content-width: 1220px;
  --reading-width: 76ch;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f4f7f8;
  color: #182422;
  font-size: 16px;
  line-height: 1.55;
}

button,
input,
select {
  font: inherit;
}

a {
  color: var(--color-accent-strong);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html.no-js .js-only {
  display: none;
}

.skip-link {
  position: fixed;
  left: var(--space-4);
  top: -80px;
  z-index: 100;
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-weight: 700;
}

.skip-link:focus {
  top: var(--space-3);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.nav {
  max-width: var(--content-width);
  min-height: 68px;
  margin: auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  background: var(--color-accent);
  border-radius: 9px 3px 9px 3px;
  color: #ffffff;
  font-weight: 800;
}

.logo {
  font-size: 23px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.primary-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-left: auto;
}

.primary-links a {
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.primary-links a:hover {
  color: var(--color-accent-strong);
}

.badge {
  background: var(--color-surface-accent);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-accent-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 6px 10px;
}

main {
  max-width: var(--content-width);
  margin: auto;
  padding: var(--space-12) var(--space-6) var(--space-10);
}

.hero {
  max-width: 900px;
  margin-bottom: var(--space-8);
}

.hero h1 {
  max-width: 820px;
  margin: var(--space-2) 0 var(--space-4);
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.hero > p:not(.eyebrow) {
  max-width: 690px;
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1.65;
}

.eyebrow {
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  margin: 0 0 var(--space-2);
  text-transform: uppercase;
}

.library-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.stat-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-secondary);
  font-size: 13px;
  padding: 7px 11px;
}

.stat-item strong {
  color: var(--color-text);
}

.search-panel,
.follow-up-module,
#details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
}

.search-panel {
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
  margin-bottom: var(--space-5);
}

.section-heading h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.section-heading > p {
  max-width: 620px;
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.compact-heading {
  align-items: center;
  margin-bottom: var(--space-4);
}

.keyboard-hint {
  white-space: nowrap;
}

kbd {
  display: inline-grid;
  min-width: 25px;
  min-height: 25px;
  place-items: center;
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border-strong);
  border-radius: 5px;
  box-shadow: inset 0 -1px 0 var(--color-border-strong);
  color: var(--color-text);
  font-size: 12px;
}

.search-wrapper {
  position: relative;
  max-width: 820px;
}

.search-icon {
  position: absolute;
  top: 50%;
  left: 16px;
  width: 21px;
  height: 21px;
  transform: translateY(-50%);
  fill: none;
  stroke: var(--color-text-muted);
  stroke-linecap: round;
  stroke-width: 1.8;
  pointer-events: none;
}

#searchInput {
  width: 100%;
  min-height: 52px;
  padding: 13px 86px 13px 48px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: var(--color-surface);
  font-size: 16px;
  outline: none;
}

#searchInput::placeholder {
  color: #74817f;
}

#searchInput:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(23, 107, 97, 0.16);
}

#searchInput::-webkit-search-decoration,
#searchInput::-webkit-search-cancel-button,
#searchInput::-webkit-search-results-button {
  -webkit-appearance: none;
  appearance: none;
  display: none;
}

.search-clear {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-accent-strong);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 10px;
}

.search-clear:hover {
  background: var(--color-surface-accent);
}

.search-help {
  margin: var(--space-2) 0 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.filter-button,
.close-button {
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 8px 12px;
}

.filter-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
}

.filter-count {
  display: inline-grid;
  min-width: 22px;
  min-height: 22px;
  padding: 0 5px;
  place-items: center;
  border-radius: 999px;
  background: var(--color-surface-muted);
  color: var(--color-text-muted);
  font-size: 11px;
}

.filter-button[aria-pressed="true"] {
  background: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
  color: #ffffff;
}

.filter-button[aria-pressed="true"] .filter-count {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.result-status {
  min-height: 1.5em;
  margin: var(--space-4) 0 0;
  color: #526360;
  font-size: 14px;
  font-weight: 700;
}

.follow-up-module {
  padding: var(--space-8);
  margin-bottom: var(--space-12);
  border-top: 4px solid var(--color-accent);
}

.follow-up-heading {
  align-items: flex-start;
  display: flex;
  gap: var(--space-5);
  justify-content: space-between;
}

.follow-up-heading h2,
.follow-up-result h3 {
  margin: 0;
  letter-spacing: -0.02em;
}

.module-badge,
.review-status {
  display: inline-flex;
  align-items: center;
  background: var(--color-warning-soft);
  border: 1px solid #dfc571;
  border-radius: 999px;
  color: #74470a;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
}

.follow-up-intro,
.follow-up-group-description {
  max-width: var(--reading-width);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.follow-up-controls {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: var(--space-6) 0;
  padding: var(--space-5);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.follow-up-controls label {
  color: var(--color-text-secondary);
  display: grid;
  font-size: 13px;
  font-weight: 800;
  gap: 7px;
}

.follow-up-controls select {
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: 8px;
  color: var(--color-text);
  min-width: 0;
  padding: 11px 34px 11px 12px;
  width: 100%;
}

.follow-up-controls select:focus-visible,
.follow-up-provenance summary:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.follow-up-result {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
}

.follow-up-period-label {
  color: var(--color-accent-strong);
  font-weight: 800;
}

.follow-up-results-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: var(--space-5) 0;
}

.follow-up-result-card {
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-width: 0;
  padding: var(--space-4);
}

.follow-up-result-card h4 {
  margin: 0 0 var(--space-2);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.follow-up-result-card > p {
  margin: 6px 0 0;
}

.recommendation-scheduled,
.recommendation-conditional {
  color: var(--color-accent-strong);
  font-size: 18px;
  font-weight: 800;
}

.recommendation-not_routinely_scheduled,
.recommendation-unspecified {
  color: var(--color-text-muted);
  font-weight: 700;
}

.follow-up-note,
.recommendation-strength,
.recommendation-scope,
.follow-up-reviewed-date {
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.55;
}

.recommendation-scope {
  font-weight: 800;
}

.follow-up-context {
  background: var(--color-surface-accent);
  border-left: 4px solid #6c9f98;
  border-radius: var(--radius-sm);
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
}

.follow-up-context-section h4,
.follow-up-context-section p {
  margin: 0;
}

.follow-up-context-section p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-top: var(--space-1);
}

.follow-up-provenance,
.source-disclosure {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
}

.follow-up-provenance summary,
.source-disclosure summary {
  color: var(--color-text-secondary);
  cursor: pointer;
  font-weight: 800;
}

.follow-up-provenance .review-status {
  margin-top: var(--space-2);
}

.follow-up-source-list {
  display: grid;
  gap: var(--space-3);
  padding-left: var(--space-5);
}

.follow-up-source-list span {
  display: block;
}

.reference-library {
  margin-top: var(--space-12);
}

.section-title {
  margin: 0;
}

.category-section {
  margin-bottom: var(--space-10);
}

.category-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0 0 var(--space-4);
  color: var(--color-text);
  font-size: 20px;
}

.category-title::before {
  width: 4px;
  height: 22px;
  border-radius: 99px;
  background: var(--color-accent);
  content: "";
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
}

.card {
  display: flex;
  min-height: 210px;
  width: 100%;
  flex-direction: column;
  text-align: left;
  color: inherit;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-raised);
}

.card:focus-visible,
.filter-button:focus-visible,
.close-button:focus-visible,
.search-clear:focus-visible,
a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.card-title {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-text);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.25;
}

.subcategory-label {
  display: inline-block;
  align-self: flex-start;
  background: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  color: var(--color-accent-strong);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 var(--space-3);
  padding: 5px 8px;
}

.detail-meta .subcategory-label {
  margin: 0;
}

.card-description {
  display: block;
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.icd {
  display: inline-block;
  align-self: flex-start;
  margin-top: auto;
  background: #eef2f2;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 8px;
}

#details {
  padding: var(--space-8);
  margin-top: var(--space-8);
  scroll-margin-top: 84px;
}

#details[hidden] {
  display: none;
}

.detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

#details h2 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.65rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.detail-alternative {
  margin: var(--space-2) 0 0;
  color: var(--color-text-secondary);
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.detail-meta-item {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface-subtle);
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
  white-space: normal;
}

.close-button {
  flex: 0 0 auto;
  border-radius: var(--radius-sm);
  background: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
  color: #ffffff;
  font-weight: 750;
  min-height: 40px;
  padding: 9px 14px;
}

.close-button:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.review-explanation {
  max-width: var(--reading-width);
  margin: var(--space-3) 0 var(--space-4);
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.55;
}

.detail-jump-nav {
  position: sticky;
  top: 80px;
  z-index: 10;
  display: flex;
  gap: var(--space-2);
  margin: 0 calc(-1 * var(--space-8)) var(--space-5);
  padding: var(--space-3) var(--space-8);
  overflow-x: auto;
  background: rgba(255, 255, 255, 0.97);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  scrollbar-width: thin;
}

.detail-jump-nav a {
  flex: 0 0 auto;
  border-radius: 999px;
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 10px;
  text-decoration: none;
}

.detail-jump-nav a:hover,
.detail-jump-nav a:focus-visible {
  background: var(--color-surface-accent);
  color: var(--color-accent-strong);
}

.detail-content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.detail-section {
  min-width: 0;
  padding: var(--space-5);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  scroll-margin-top: 140px;
}

.detail-section--wide,
.coding-section,
.media-section,
.references-section {
  grid-column: 1 / -1;
}

.detail-section--treatment,
.detail-section--follow-up {
  border-top: 3px solid var(--color-accent);
}

.detail-section h3 {
  margin: 0 0 var(--space-3);
  color: var(--color-text);
  font-size: 17px;
}

.detail-section h4 {
  margin: var(--space-4) 0 var(--space-2);
}

.detail-section p {
  max-width: var(--reading-width);
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.detail-section ul {
  margin-bottom: 0;
  line-height: 1.65;
  padding-left: var(--space-6);
}

.structured-summary {
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.structured-field + .structured-field,
.structured-field + .structured-note,
.structured-note + .structured-field {
  margin-top: var(--space-3);
}

.structured-field h4 {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.clinical-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.clinical-tag,
.strategy-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: 700;
}

.structured-note,
.structured-list span {
  color: var(--color-text-muted);
  font-size: 13px;
}

.structured-list {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.structured-list li {
  padding-left: var(--space-1);
}

.structured-list li strong,
.structured-list li span {
  display: block;
}

.differential-list li strong {
  display: inline;
}

.differential-list li span {
  display: inline;
  margin-left: var(--space-2);
}

.treatment-tier + .treatment-tier {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.medication-detail {
  margin-top: var(--space-1);
  color: var(--color-accent-strong) !important;
  font-weight: 700;
}

.red-flag-list {
  padding: var(--space-3) var(--space-4) var(--space-3) calc(var(--space-6) + var(--space-2)) !important;
  background: var(--color-warning-soft);
  border-left: 3px solid #b7791f;
  border-radius: var(--radius-sm);
}

.source-disclosure {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.source-disclosure summary {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
}

.source-list {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-3) 0 0;
}

.source-list li {
  padding-left: var(--space-1);
}

.coding-section ul {
  margin-top: 6px;
}

.coding-note,
.reference-metadata {
  color: var(--color-text-muted);
  font-size: 13px;
  margin: 3px 0 10px;
}

.coding-warning {
  background: var(--color-warning-soft);
  border-left: 4px solid #b7791f;
  padding: 10px 12px;
}

.reference-metadata {
  line-height: 1.5;
}

.media-intro {
  margin-bottom: var(--space-4) !important;
}

.media-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.media-item {
  margin: 0;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.media-item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: var(--media-ratio, 4 / 3);
  object-fit: contain;
  background: #eef2f2;
}

.media-caption {
  padding: var(--space-4);
}

.media-caption strong,
.media-caption span {
  display: block;
}

.media-caption span {
  margin-top: var(--space-2);
  color: var(--color-text-secondary);
  font-size: 14px;
}

.media-metadata {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 12px;
}

.media-unavailable {
  margin: 0;
  padding: var(--space-6);
  background: var(--color-warning-soft);
  color: #68440c;
  font-weight: 700;
  text-align: center;
}

.evidence-dashboard,
.quiz-module,
.case-module {
  margin-top: var(--space-10);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.review-dashboard-counts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
}

.review-stat {
  min-width: 0;
  padding: var(--space-4);
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.review-stat strong,
.review-stat span {
  display: block;
}

.review-stat strong {
  color: var(--color-accent-strong);
  font-size: 26px;
}

.review-stat span {
  margin-top: var(--space-1);
  color: var(--color-text-secondary);
  font-size: 13px;
}

.review-meaning {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.review-meaning summary,
.evidence-disclosure summary {
  cursor: pointer;
  color: var(--color-accent-strong);
  font-weight: 750;
}

.review-meaning dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.review-meaning dl div {
  padding: var(--space-3);
  background: var(--color-surface-subtle);
  border-radius: var(--radius-sm);
}

.review-meaning dt {
  font-weight: 750;
}

.review-meaning dd {
  margin: var(--space-1) 0 0;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.55;
}

.review-machine-link {
  margin: var(--space-4) 0 0;
}

.review-machine-link a,
.public-review-panel a {
  color: var(--color-accent-strong);
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.16em;
}

.public-review-panel {
  margin: 0 0 var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.quiz-app > .public-review-panel,
.follow-up-provenance .public-review-panel {
  margin-right: 0;
  margin-left: 0;
}

.public-review-panel h3 {
  margin: 0 0 var(--space-1);
  font-size: 1rem;
}

.public-review-summary {
  padding: var(--space-3) var(--space-4);
  color: var(--color-accent-strong);
  cursor: pointer;
  font-size: 14px;
  font-weight: 750;
}

.public-review-summary:hover {
  background: var(--color-surface-subtle);
}

.public-review-summary:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.public-review-content {
  padding: 0 var(--space-4) var(--space-4);
  border-top: 1px solid var(--color-border);
}

.public-review-content > h3 {
  margin-top: var(--space-4);
}

.public-review-explanation {
  max-width: var(--reading-width);
  margin: var(--space-2) 0 var(--space-3);
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.55;
}

.public-review-status {
  display: inline-block;
  margin-bottom: var(--space-2);
  padding: 4px 8px;
  border: 1px solid currentColor;
  border-radius: 999px;
}

.review-state-changes-requested,
.review-state-review-invalidated {
  border-left-color: #9a5a00;
}

.public-review-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.public-review-facts div {
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.public-review-facts dt {
  font-weight: 750;
}

.public-review-facts dd {
  margin: var(--space-1) 0 0;
  overflow-wrap: anywhere;
}

.public-review-integrity code {
  display: inline-block;
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--color-surface-muted);
  font-size: 0.88em;
}

.public-review-integrity-help {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.45;
}

.public-review-empty-history,
.public-review-technical {
  margin: var(--space-3) 0 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.public-review-technical {
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.public-review-history {
  margin: var(--space-3) 0;
}

.public-review-history-item {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.public-review-history-item h5,
.public-review-history-item p {
  margin: var(--space-1) 0;
}

.review-workflow {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0 var(--space-8) var(--space-5);
}

.review-workflow span {
  padding: 5px 9px;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: 700;
}

.evidence-disclosure {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.evidence-disclosure ul {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-5);
}

.evidence-note {
  color: var(--color-text-muted);
  font-size: 13px;
}

.quiz-disclaimer {
  padding: var(--space-3) var(--space-4);
  background: var(--color-warning-soft);
  border-left: 3px solid #9a6718;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
}

.quiz-app {
  max-width: 820px;
  margin-top: var(--space-5);
}

.quiz-progress {
  margin-bottom: var(--space-2);
  font-weight: 750;
}

.quiz-progress-track {
  height: 8px;
  margin-bottom: var(--space-5);
  overflow: hidden;
  background: var(--color-border);
  border-radius: 999px;
}

.quiz-progress-track span {
  display: block;
  height: 100%;
  background: var(--color-accent);
  border-radius: inherit;
  transition: width 180ms ease;
}

.quiz-media {
  margin: 0 0 var(--space-5);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.quiz-media img {
  display: block;
  width: 100%;
  height: auto;
  background: #f6faf8;
}

.quiz-media figcaption {
  padding: var(--space-3);
  color: var(--color-text-secondary);
  font-size: 13px;
}

.quiz-form fieldset {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  border: 0;
}

.quiz-form legend {
  margin-bottom: var(--space-3);
  font-size: 21px;
  font-weight: 750;
  line-height: 1.4;
}

.quiz-option {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.quiz-option:focus-within {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.quiz-option input {
  flex: 0 0 auto;
  margin-top: 3px;
}

.quiz-feedback {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface-subtle);
  border-left: 4px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
}

.quiz-feedback.is-correct { border-left-color: #25745f; }
.quiz-feedback.is-incorrect { border-left-color: #9a6718; }

.quiz-source-list {
  padding-left: var(--space-5);
}

.quiz-review-state {
  color: var(--color-text-muted);
  font-size: 13px;
}

.quiz-actions {
  margin-top: var(--space-4);
}

.quiz-button {
  min-height: 44px;
  padding: 10px 18px;
  background: var(--color-accent-strong);
  border: 0;
  border-radius: var(--radius-sm);
  color: #fff;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.quiz-result {
  padding: var(--space-6);
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.no-result {
  display: none;
  padding: var(--space-10);
  background: var(--color-surface);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  text-align: center;
}

.no-result strong,
.no-result span {
  display: block;
}

.no-result span {
  margin-top: var(--space-1);
  font-size: 14px;
}

.notice {
  margin-top: var(--space-12);
  padding: var(--space-5);
  background: var(--color-warning-soft);
  border: 1px solid #e6d48d;
  border-radius: var(--radius-md);
  line-height: 1.65;
  font-size: 14px;
}

footer {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: #526360;
  font-size: 14px;
}

@media (min-width: 1400px) {
  :root {
    --content-width: 1320px;
  }
}

@media (max-width: 900px) {
  .brand,
  .nav-oss,
  .badge {
    flex-shrink: 0;
  }

  .primary-links {
    display: flex;
    flex: 1 1 auto;
    min-width: 0;
    margin-left: var(--space-3);
    gap: var(--space-3);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
  }

  .primary-links a {
    flex: 0 0 auto;
  }

  .badge {
    margin-left: 0;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-2);
  }

  .follow-up-controls {
    grid-template-columns: 1fr 1fr;
  }

  .follow-up-controls label:last-child {
    grid-column: 1 / -1;
  }

  .review-dashboard-counts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  html {
    scroll-padding-top: 72px;
  }

  .nav {
    flex-wrap: wrap;
    column-gap: var(--space-3);
    row-gap: var(--space-2);
    min-height: 60px;
    min-width: 0;
    padding: var(--space-2) var(--space-4);
  }

  .primary-links {
    flex: 1 0 100%;
    order: 1;
    margin-left: 0;
    max-width: 100%;
  }

  .primary-links a:focus-visible {
    scroll-margin-inline: 12px;
  }

  .badge {
    font-size: 11px;
  }

  main {
    padding: var(--space-8) var(--space-4);
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero > p:not(.eyebrow) {
    font-size: 16px;
  }

  .search-panel,
  .evidence-dashboard,
  .quiz-module,
  .case-module,
  .follow-up-module,
  #details {
    padding: var(--space-5);
  }

  .keyboard-hint {
    display: none;
  }

  .category-filters {
    flex-wrap: nowrap;
    margin-right: calc(-1 * var(--space-5));
    padding: 0 var(--space-5) var(--space-2) 0;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .filter-button {
    flex: 0 0 auto;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 0;
    padding: var(--space-5);
  }

  .detail-header {
    flex-direction: column-reverse;
    gap: var(--space-3);
  }

  .close-button {
    align-self: flex-end;
  }

  .detail-jump-nav {
    top: 60px;
    margin-right: calc(-1 * var(--space-5));
    margin-left: calc(-1 * var(--space-5));
    padding-right: var(--space-5);
    padding-left: var(--space-5);
  }

  .detail-content {
    grid-template-columns: 1fr;
  }

  .detail-section--wide,
  .coding-section,
  .media-section,
  .references-section {
    grid-column: auto;
  }

  .follow-up-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .module-badge {
    align-self: flex-start;
    white-space: normal;
  }

  .follow-up-controls,
  .follow-up-results-grid {
    grid-template-columns: 1fr;
  }

  .follow-up-controls label:last-child {
    grid-column: auto;
  }

  .media-gallery {
    grid-template-columns: 1fr;
  }

  .review-dashboard-counts,
  .review-meaning dl,
  .public-review-facts {
    grid-template-columns: 1fr;
  }

  .review-workflow {
    margin-right: var(--space-5);
    margin-left: var(--space-5);
  }

  .quiz-app > .public-review-panel,
  .follow-up-provenance .public-review-panel {
    margin-right: 0;
    margin-left: 0;
  }
}



/* Goal 10 — public OSS surface, about/status, feedback CTAs */
.nav-oss {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-3);
}

.nav-oss a {
  color: var(--color-text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.nav-oss a:hover,
.nav-oss a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

.hero-status {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border: 1px solid #e6d48d;
  border-left: 4px solid #c9a227;
  border-radius: var(--radius-md);
  background: var(--color-warning-soft);
  color: #5c4b12;
  font-size: 14px;
  line-height: 1.55;
  max-width: 52rem;
}

.clinical-feedback {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.clinical-feedback--dashboard {
  margin-top: var(--space-6);
}

.clinical-feedback-lede {
  margin: 0 0 var(--space-3);
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-text);
}

.clinical-feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.clinical-feedback-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--color-accent);
  background: #eef7f4;
  color: #0f4f43;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.clinical-feedback-link:hover,
.clinical-feedback-link:focus-visible {
  background: #dcefe9;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.clinical-feedback-help {
  margin: var(--space-3) 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: #526360;
}

.about-section {
  margin-top: var(--space-12);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-5);
}

.about-grid h3 {
  margin: 0 0 var(--space-2);
  font-size: 17px;
}

.about-grid p,
.about-list {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
}

.about-list {
  padding-left: 1.2rem;
}

.about-list li + li {
  margin-top: var(--space-2);
}

.about-oss-links {
  margin: var(--space-3) 0 0;
  padding-left: 1.2rem;
  font-size: 14px;
  line-height: 1.7;
}

.about-oss-links a {
  color: var(--color-accent);
}

.site-footer {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: #526360;
  font-size: 14px;
}

.site-footer p {
  margin: 0 0 var(--space-3);
}

.footer-oss {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-4);
}

.footer-oss a {
  color: #3f5f57;
  font-weight: 600;
  text-decoration: none;
}

.footer-oss a:hover,
.footer-oss a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

@media (max-width: 900px) {
  .nav-oss {
    margin-left: auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .clinical-feedback-actions {
    flex-direction: column;
  }

  .clinical-feedback-link {
    justify-content: center;
  }

  .about-section {
    padding: var(--space-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .card {
    transition: none;
  }

  .quiz-progress-track span {
    transition: none;
  }
}


.case-module {
  margin-top: var(--space-10);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.case-disclaimer,
.case-inline-disclaimer {
  max-width: var(--reading-width);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.case-filters {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: var(--space-4) 0;
}

.case-filter {
  display: grid;
  gap: var(--space-2);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.case-filter select,
.case-filter input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  font: inherit;
  background: var(--color-surface);
}

.case-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.case-card,
.case-diff,
.case-diagnosis-panel,
.case-provenance {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-subtle);
  overflow-wrap: anywhere;
}

.case-review-badge {
  display: inline-flex;
  margin: 0 0 var(--space-2);
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--color-warning-soft);
  border: 1px solid #dfc571;
  color: #74470a;
  font-size: 12px;
  font-weight: 700;
}

.case-button,
.case-button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-accent-strong);
  background: var(--color-accent-strong);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.case-button-secondary {
  background: transparent;
  color: var(--color-accent-strong);
  margin-bottom: var(--space-4);
}

.case-figure {
  margin: var(--space-4) 0;
}

.case-figure img {
  display: block;
  width: min(100%, 720px);
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.case-disclosure {
  margin: var(--space-3) 0;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.case-disclosure summary {
  cursor: pointer;
  font-weight: 750;
  color: var(--color-accent-strong);
}

.case-reveal {
  margin: var(--space-5) 0;
  padding: var(--space-4);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
}

.case-reveal-status,
.case-meta,
.case-site,
.case-attribution,
.case-mod-note,
.case-confidence,
.case-action {
  color: var(--color-text-secondary);
}

.case-step-nav {
  margin: var(--space-4) 0;
}

.case-steps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.case-step-tab {
  min-height: 44px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-accent-strong);
  background: var(--color-surface);
  color: var(--color-accent-strong);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.case-step-tab[aria-current="step"] {
  background: var(--color-accent-strong);
  color: #fff;
}

.case-step {
  max-width: var(--reading-width);
}

.case-step-intro,
.case-kind-note,
.case-review-note,
.case-zoom-status {
  color: var(--color-text);
  line-height: 1.6;
}

.case-kind-section,
.case-summary,
.case-teaching {
  margin: var(--space-4) 0;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.case-kind-section-observation {
  background: var(--color-surface-accent);
}

.case-kind-section-interpretation {
  background: #f3f6fb;
}

.case-kind-list {
  margin: var(--space-3) 0 0;
  padding-left: 1.2rem;
}

.case-kind-list li {
  margin: var(--space-2) 0;
}

.case-kind {
  display: inline-block;
  margin-right: var(--space-2);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  vertical-align: baseline;
}

.case-kind-observation {
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
}

.case-kind-interpretation {
  background: #e7eef8;
  color: #10263f;
}

.case-kind-feature {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}

.case-zoom-controls,
.case-pager {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin: var(--space-3) 0;
}

.case-zoom-button,
.case-pager .case-button,
.case-pager .case-button-secondary {
  margin-bottom: 0;
  min-height: 44px;
}

.case-zoom-viewport {
  overflow: auto;
  max-height: min(70vh, 640px);
  max-height: min(70dvh, 640px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
}

.case-zoom-viewport:focus-visible,
.case-step-tab:focus-visible,
.case-button:focus-visible,
.case-disclosure summary:focus-visible {
  outline: 3px solid var(--color-text);
  outline-offset: 3px;
}

.case-zoom-viewport img {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  border: 0;
  border-radius: 0;
}

.case-empty,
.js-fallback {
  margin: var(--space-3) 0;
  padding: var(--space-3);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: var(--color-surface);
}


.case-compare {
  margin-top: var(--space-4);
}

.case-compare-panel {
  margin: 0 0 var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.case-compare .case-button-secondary {
  display: flex;
  width: 100%;
  margin-bottom: var(--space-3);
  text-align: start;
}

.case-compare-panel:focus-visible {
  outline: 2px solid var(--color-accent-strong);
  outline-offset: 2px;
}

.case-diagnosis-panel[hidden] {
  display: none;
}

.case-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

@media (max-width: 900px) {
  .case-filters,
  .case-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .case-module {
    padding: var(--space-4);
  }

  .case-step-tab,
  .case-pager .case-button,
  .case-pager .case-button-secondary,
  .case-reveal .case-button,
  .case-zoom-button,
  .case-pattern-toggle,
  .case-pattern-panel .case-button {
    width: 100%;
  }
}

@supports not selector(:focus-visible) {
  .card:focus,
  .filter-button:focus,
  .close-button:focus,
  .search-clear:focus,
  .follow-up-controls select:focus,
  .follow-up-provenance summary:focus,
  .detail-jump-nav a:focus,
  .public-review-summary:focus,
  .nav-oss a:focus,
  .clinical-feedback-link:focus,
  .footer-oss a:focus,
  .case-zoom-viewport:focus,
  .case-step-tab:focus,
  .case-button:focus,
  .case-disclosure summary:focus,
  .quiz-option:focus-within {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
  }
}

.case-impression {
  margin: 0 0 var(--space-4);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.case-impression-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.case-filter textarea {
  width: 100%;
  min-height: 88px;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font: inherit;
  background: var(--color-surface);
}

.case-teacher-filters {
  margin: 0 0 var(--space-4);
}

.case-button[aria-pressed="true"] {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

.case-impression .case-button:focus-visible,
.case-teacher-filters summary:focus-visible,
.case-filter textarea:focus-visible {
  outline: 2px solid var(--color-focus, currentColor);
  outline-offset: 2px;
}

.case-teaching-type {
  margin: 0;
  font-weight: 700;
  color: var(--color-text);
}

.case-feature-weight {
  margin: 0 0 var(--space-2);
  font-weight: 700;
}

.case-hint {
  margin-top: var(--space-3);
}

.case-pattern-study {
  margin-top: var(--space-4);
}

.case-pattern {
  margin: 0 0 var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border, #d0d0d0);
}

.case-pattern-panel {
  margin-top: var(--space-3);
}

.case-pattern-panel h6 {
  margin-bottom: var(--space-1);
}

.case-view,
.case-pattern-group {
  margin: var(--space-4) 0;
}

.case-view-integration {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.case-pattern-context {
  margin: var(--space-4) 0;
  padding: var(--space-3);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  background: transparent;
}

.case-pattern-context summary {
  cursor: pointer;
  font-weight: 600;
}

.case-pattern-artifact h6 {
  font-weight: 500;
}

.case-context-disclosure summary:focus-visible,
.case-pattern-group h5:focus-visible {
  outline: 3px solid var(--color-text);
  outline-offset: 3px;
}

.case-modality-status {
  margin: 0 0 var(--space-3);
  font-weight: 700;
}

.case-dermoscopy-toggle:focus-visible {
  outline: 3px solid var(--color-text);
  outline-offset: 3px;
}

.case-pair-stage {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.case-pair-stage .case-view {
  margin: 0;
}

@media (min-width: 900px) {
  .case-pair-stage.is-open {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (max-width: 899px) {
  .case-pair-stage.is-open {
    grid-template-columns: 1fr;
  }
}

/* Goal 28 mixed-case screening training */
.training-module {
  margin-top: var(--space-10);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.training-app {
  max-width: 880px;
  overflow-wrap: anywhere;
}

.training-app h3,
.training-app h4,
.training-app h5 {
  margin: var(--space-4) 0 var(--space-2);
  line-height: 1.3;
}

.training-app p,
.training-app li {
  line-height: 1.6;
}

.training-lede {
  color: var(--color-text-secondary);
}

.training-notices {
  margin: var(--space-3) 0;
  padding: var(--space-3) var(--space-4);
  border-left: 3px solid var(--color-border-strong);
  background: var(--color-surface-subtle);
  color: var(--color-text-secondary);
  font-size: 14px;
}

.training-notices p {
  margin: var(--space-1) 0;
}

.training-status-line {
  font-weight: 700;
  color: #74470a;
}

.training-hint,
.training-small {
  color: var(--color-text-secondary);
  font-size: 14px;
}

.training-choice {
  margin: var(--space-3) 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.training-choice legend {
  padding: 0 var(--space-1);
  font-weight: 700;
}

.training-choice-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}

.training-option {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  flex: 1 1 220px;
}

.training-option input {
  width: 20px;
  height: 20px;
  margin: 0;
}

.training-option label {
  font-weight: 600;
  cursor: pointer;
}

.training-option-summary {
  flex-basis: 100%;
  margin: 0 0 var(--space-2) 28px;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.training-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin: var(--space-2) var(--space-2) var(--space-2) 0;
  padding: 8px 16px;
  border: 1px solid var(--color-accent-strong);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-accent-strong);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.training-primary {
  background: var(--color-accent-strong);
  color: #fff;
}

.training-quiet {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.training-button:disabled {
  opacity: 0.6;
  cursor: default;
}

.training-app :focus-visible,
.training-app [tabindex="-1"]:focus {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.training-session-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.training-progress {
  margin: 0;
  font-weight: 700;
}

.training-case {
  margin-top: var(--space-2);
}

.training-images {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.training-figure {
  flex: 1 1 280px;
  min-width: 0;
  max-width: 560px;
  margin: 0;
}

.training-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
}

.training-figure figcaption {
  margin-top: var(--space-1);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.training-facts {
  margin: var(--space-2) 0;
  padding-left: 1.2em;
}

.training-section {
  margin-top: var(--space-4);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.training-app textarea,
.training-app select {
  display: block;
  width: 100%;
  max-width: 100%;
  min-height: 44px;
  margin: var(--space-2) 0;
  padding: 8px 10px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font: inherit;
  background: var(--color-surface);
  box-sizing: border-box;
}

.training-app label {
  display: inline-block;
  margin-top: var(--space-2);
}

.training-derm-panel[hidden],
.training-hint-panel[hidden] {
  display: none;
}

.training-reveal {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface-subtle);
}

.training-reveal .training-section:first-child {
  margin-top: 0;
  border-top: 0;
}

.training-diagnosis {
  font-size: 20px;
  font-weight: 700;
}

.training-pull,
.training-comparison {
  margin: var(--space-3) 0;
  padding: var(--space-3) var(--space-4);
  border-left: 3px solid var(--color-info);
  background: var(--color-surface);
}

.training-pattern-list {
  padding-left: 1.2em;
}

.training-pattern-list li {
  margin-bottom: var(--space-2);
}

.training-pattern-list p {
  margin: var(--space-1) 0 0;
}

.training-details {
  margin: var(--space-3) 0;
}

.training-details summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
}

.training-actions {
  margin-top: var(--space-4);
}

.training-error {
  color: var(--color-danger);
  font-weight: 700;
}

@media (max-width: 640px) {
  .training-module {
    padding: var(--space-4);
  }

  .training-button {
    width: 100%;
    margin-right: 0;
  }

  .training-figure {
    flex-basis: 100%;
  }
}