.content-freshness { margin: 0; color: var(--text-muted); font-size: var(--text-sm); }
.registry-controls, .guide-controls { display: grid; grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(150px, .8fr)) auto; gap: var(--space-3); align-items: end; padding: var(--space-4); border: 1px solid var(--border-default); border-radius: var(--radius-card); background: var(--surface-default); }
.registry-controls label, .guide-controls label { display: grid; gap: var(--space-1); min-width: 0; }
.registry-controls label > span, .guide-controls label > span { color: var(--text-muted); font-size: var(--text-xs); font-weight: var(--font-weight-bold); text-transform: uppercase; letter-spacing: .04em; }
.registry-controls input, .registry-controls select, .guide-controls input, .guide-controls select { width: 100%; min-height: 44px; padding: 9px 11px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--surface-default); color: var(--text-default); font: inherit; }
.registry-results { margin: var(--space-3) 0; color: var(--text-muted); font-size: var(--text-sm); }

.guide-controls {
  position: sticky;
  top: var(--space-3);
  z-index: 5;
  box-shadow: var(--shadow-card);
}

.guide-controls__pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  grid-column: 1 / -1;
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-default);
}

.guide-controls__pills > span:first-child {
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
}

.guide-controls__pills .guide-pill {
  min-height: 40px;
  padding: 5px 12px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  background: var(--surface-subtle);
  color: var(--text-default);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  box-shadow: none;
  cursor: pointer;
}

.guide-controls__pills .guide-pill:hover {
  border-color: var(--border-strong);
  background: var(--surface-subtle);
  color: var(--text-default);
  transform: none;
}

.guide-results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.guide-results-bar .registry-results {
  margin: 0;
}

.guide-results-bar select {
  width: auto;
  min-height: 40px;
  padding: 6px 10px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--surface-default);
  color: var(--text-default);
  font-size: var(--text-sm);
}
.registry-status { display: inline-flex; width: fit-content; padding: 3px 8px; border-radius: var(--radius-pill); background: var(--surface-subtle); font-size: var(--text-xs); font-weight: var(--font-weight-bold); text-transform: capitalize; }
.registry-status--active { background: var(--color-pass-soft); color: var(--color-pass); }
.registry-status--uncertain { background: var(--color-review-soft); color: var(--color-review); }
.registry-status--deprecated { background: var(--color-block-soft); color: var(--color-block); }
.crawler-registry__cards { display: none; }
.crawler-record__heading { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); }
.crawler-record__heading h2 { margin: 0; font-size: var(--type-scale-h3); }
.crawler-record dl, .guide-card__meta, .stewardship-grid, .methodology-release dl { display: grid; gap: 0; margin: var(--space-3) 0 0; border-top: 1px solid var(--border-default); }
.crawler-record dl > div, .guide-card__meta > div, .stewardship-grid > div, .methodology-release dl > div { display: grid; grid-template-columns: minmax(110px, .7fr) minmax(0, 1.3fr); gap: var(--space-3); padding-block: var(--space-2); border-bottom: 1px solid var(--border-default); }
.crawler-record dt, .guide-card__meta dt, .stewardship-grid dt, .methodology-release dt { color: var(--text-muted); font-size: var(--text-xs); font-weight: var(--font-weight-bold); }
.crawler-record dd, .guide-card__meta dd, .stewardship-grid dd, .methodology-release dd { margin: 0; overflow-wrap: anywhere; }
.registry-empty { padding: var(--space-5); border: 1px dashed var(--border-strong); border-radius: var(--radius-card); color: var(--text-muted); text-align: center; }
.guide-article__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 280px);
  align-items: start;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

/* Long code lines and Markdown tables must never establish the article track's
 * intrinsic width. Without this containment a single technical example can
 * widen the whole mobile document instead of scrolling locally. */
.guide-article__body {
  min-width: 0;
}

.guide-article__body pre {
  max-width: 100%;
}

.guide-article__rail {
  position: sticky;
  top: var(--space-4);
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  background: var(--surface-default);
}

.guide-article__rail nav {
  display: grid;
  gap: 8px;
}

.guide-article__rail nav a {
  color: var(--text-default);
  font-size: var(--text-sm);
  line-height: 1.3;
}

.guide-article__rail nav a.is-nested {
  padding-left: var(--space-3);
  color: var(--text-muted);
  font-size: var(--text-xs);
}

@media (max-width: 900px) {
  .guide-article__layout { grid-template-columns: minmax(0, 1fr); }
  .guide-article__rail { position: static; }
}

.guide-card {
  display: grid;
  align-content: start;
}
.guide-card--access.guide-card::after { background: linear-gradient(180deg, #167446, transparent 75%); }
.guide-card--content.guide-card::after { background: linear-gradient(180deg, #925400, transparent 75%); }
.guide-card--structure.guide-card::after { background: linear-gradient(180deg, #164a8a, transparent 75%); }
.guide-card--identity.guide-card::after { background: linear-gradient(180deg, #63449a, transparent 75%); }
.guide-card--verification.guide-card::after { background: linear-gradient(180deg, #176c76, transparent 75%); }

.guide-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); }

.guide-card__badge { flex: 0 0 auto; padding: 4px 10px; border-radius: var(--radius-pill); background: var(--surface-subtle); color: var(--text-muted); font-size: var(--text-xs); font-weight: var(--font-weight-bold); white-space: nowrap; }
.guide-card__badge--editorial { background: var(--color-accent-soft); color: var(--color-accent); }
.guide-card__badge--openai { background: #e7f5ed; color: #167446; }
.guide-card__badge--anthropic { background: #fff2dc; color: #925400; }
.guide-card__badge--google { background: #e7f0fb; color: #1c4c9c; }

.guide-card__dimensions { display: flex; flex-wrap: wrap; gap: var(--space-1); margin-top: var(--space-4); }
.guide-card__dimensions span { padding: 3px 7px; border-radius: var(--radius-pill); background: var(--surface-subtle); color: var(--text-muted); font-size: var(--text-xs); font-weight: var(--font-weight-bold); }
.guide-card h2 a::after { content: ''; }
.guide-card .text-link { margin-top: auto; padding-top: var(--space-3); font-weight: var(--font-weight-bold); }
.methodology-release { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: var(--space-6); padding: var(--space-6); border: 1px solid var(--border-strong); border-radius: var(--radius-card); background: var(--surface-default); }
.methodology-release h2, .methodology-release p { margin-top: 0; }
.methodology-release dl { margin: 0; }
.methodology-release .cta-actions { grid-column: 1 / -1; }
.stewardship-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-block: var(--space-5); }
.stewardship-grid > div { display: block; padding: var(--space-3); }
.stewardship-grid dd { margin-top: var(--space-1); }
.stewardship-providers { display: flex; flex-wrap: wrap; gap: var(--space-1); margin-top: var(--space-2); }
.change-entry { padding-block: var(--space-5); border-top: 1px solid var(--border-default); }
.change-entry h2 { margin-top: var(--space-1); }
.trust-operations .resource-card { display: grid; align-content: start; }
.trust-operations .text-link { margin-top: auto; padding-top: var(--space-3); font-weight: var(--font-weight-bold); }
[hidden] { display: none !important; }
@media (max-width: 1000px) {
  .registry-controls, .guide-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .methodology-release { grid-template-columns: 1fr; }
  .methodology-release .cta-actions { grid-column: auto; }
}
@media (max-width: 720px) {
  .registry-controls, .guide-controls { grid-template-columns: 1fr; }
  .guide-controls { position: static; }
  .guide-results-bar { flex-wrap: wrap; }
  .crawler-registry__table { display: none; }
  .crawler-registry__cards { display: grid; gap: var(--space-3); }
  .stewardship-grid { grid-template-columns: 1fr; }
  .crawler-record dl > div, .guide-card__meta > div, .methodology-release dl > div { grid-template-columns: 1fr; gap: 2px; }

  /* Technical comparison tables stay readable by scrolling inside their own
   * box instead of forcing the entire guide wider than the phone viewport. */
  .guide-article__body table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
  }
}