.sci-search-page,
.sci-browse-page {
  padding-top: var(--sci-space-12);
}

.sci-search-hero,
.sci-browse-hero {
  max-width: 900px;
  margin-bottom: var(--sci-space-10);
}

.sci-search-hero h1,
.sci-browse-hero h1 {
  margin: 0;
  font-family: var(--sci-font-serif);
  font-size: clamp(38px, 4vw, 52px);
  letter-spacing: -0.035em;
  line-height: 1.14;
}

.sci-browse-hero > p:last-child {
  max-width: 720px;
  margin: var(--sci-space-5) 0 0;
  color: var(--sci-text-secondary);
  font-size: 17px;
  line-height: 1.7;
}

.sci-search--hero {
  max-width: 820px;
  margin: var(--sci-space-8) 0 0;
}

.sci-search--hero label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.sci-search--hero .sci-search__row {
  gap: 0;
}

.sci-search--hero input {
  border-right: 0;
  border-radius: 0;
  font-size: 17px;
}

.sci-search--hero .sci-button {
  min-width: 104px;
  border-radius: 0;
}

.sci-search-summary,
.sci-browse-toolbar {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: var(--sci-space-5);
  border-top: 1px solid var(--sci-border-strong);
  border-bottom: 1px solid var(--sci-border);
}

.sci-search-summary p,
.sci-browse-toolbar p {
  margin: 0;
  color: var(--sci-text-secondary);
  font-size: 13px;
}

.sci-search-summary a,
.sci-browse-toolbar a {
  color: var(--sci-blue);
  font-size: 13px;
  font-weight: 680;
  text-decoration: none;
}

.sci-discovery-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  gap: var(--sci-space-10);
}

.sci-result-list .sci-story-card {
  grid-template-columns: minmax(0, 1fr) 200px;
}

.sci-discovery-rail {
  margin-top: var(--sci-space-6);
  padding-left: var(--sci-space-6);
  border-left: 1px solid var(--sci-border-strong);
}

.sci-discovery-rail h2 {
  margin: 0;
  padding-bottom: var(--sci-space-4);
  border-bottom: 1px solid var(--sci-border-strong);
  font-family: var(--sci-font-serif);
  font-size: 21px;
}

.sci-discovery-rail > a {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--sci-border);
  color: var(--sci-text);
  text-decoration: none;
}

.sci-discovery-rail > a:hover span {
  color: var(--sci-blue);
}

.sci-discovery-rail small {
  color: var(--sci-text-muted);
}

.sci-search-empty {
  max-width: 820px;
  min-height: 520px;
  padding: var(--sci-space-12) 0;
  border-top: 1px solid var(--sci-border-strong);
}

.sci-search-empty h2 {
  max-width: 720px;
  margin: 0;
  font-family: var(--sci-font-serif);
  font-size: 32px;
  line-height: 1.3;
}

.sci-search-empty > p:not(.sci-kicker) {
  max-width: 620px;
  margin: var(--sci-space-4) 0 var(--sci-space-6);
  color: var(--sci-text-secondary);
  line-height: 1.7;
}

.sci-search-empty__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sci-space-3);
}

.sci-search-recovery {
  margin-top: var(--sci-space-10);
  padding-top: var(--sci-space-5);
  border-top: 1px solid var(--sci-border);
}

.sci-search-recovery h3 {
  margin: 0 0 var(--sci-space-3);
  font-size: 14px;
}

.sci-search-recovery a {
  display: inline-flex;
  min-height: 40px;
  margin: 0 var(--sci-space-2) var(--sci-space-2) 0;
  padding-inline: var(--sci-space-4);
  align-items: center;
  border: 1px solid var(--sci-border);
  color: var(--sci-text-secondary);
  font-size: 13px;
  text-decoration: none;
}

.sci-filter-open {
  display: none;
}

.sci-editorial-filter-bar {
  display: grid;
  padding-block: var(--sci-space-5);
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  align-items: end;
  gap: var(--sci-space-4);
  border-bottom: 1px solid var(--sci-border-strong);
}

.sci-editorial-filter-bar label,
.sci-filter-drawer__body label {
  display: grid;
  gap: var(--sci-space-2);
}

.sci-editorial-filter-bar label > span,
.sci-filter-drawer__body label > span {
  color: var(--sci-text-muted);
  font-size: 12px;
  font-weight: 680;
}

.sci-editorial-filter-bar select,
.sci-filter-drawer__body select {
  width: 100%;
  min-height: var(--sci-control-md);
  padding: 0 36px 0 var(--sci-space-3);
  border: 1px solid var(--sci-border-strong);
  border-radius: 0;
  background: var(--sci-surface);
  color: var(--sci-text);
  font: inherit;
}

.sci-filter-clear {
  min-height: var(--sci-control-md);
  padding: 0 var(--sci-space-4);
  border: 0;
  background: transparent;
  color: var(--sci-blue);
  font: inherit;
  font-size: 13px;
  font-weight: 680;
  cursor: pointer;
}

.sci-browse-results {
  min-height: 420px;
}

.sci-browse-results .sci-story-card {
  grid-template-columns: minmax(0, 1fr) 200px;
}

.sci-results-skeleton {
  display: grid;
  gap: 0;
}

.sci-results-skeleton span {
  display: block;
  height: 152px;
  border-bottom: 1px solid var(--sci-border);
  background: var(--sci-surface-subtle);
  animation: sci-discovery-pulse 1.2s ease-in-out infinite alternate;
}

.sci-browse-state {
  max-width: 720px;
  margin-top: var(--sci-space-8);
  padding: var(--sci-space-10);
  border-top: 2px solid var(--sci-border-strong);
  background: var(--sci-surface-subtle);
}

.sci-browse-state h2 {
  margin: 0;
  font-family: var(--sci-font-serif);
  font-size: 26px;
}

.sci-browse-state p {
  margin: var(--sci-space-3) 0 var(--sci-space-5);
  color: var(--sci-text-secondary);
  line-height: 1.6;
}

.sci-load-more-slot {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: center;
}

.sci-load-more-error {
  display: flex;
  width: 100%;
  padding: var(--sci-space-4);
  align-items: center;
  justify-content: space-between;
  gap: var(--sci-space-4);
  border-top: 1px solid var(--sci-warning);
  color: var(--sci-text-secondary);
}

.sci-load-more-error p {
  margin: 0;
}

.sci-load-more-error button {
  border: 0;
  background: transparent;
  color: var(--sci-blue);
  font-weight: 680;
  cursor: pointer;
}

.sci-filter-drawer,
.sci-filter-backdrop {
  display: none;
}

body.sci-filter-drawer-open {
  overflow: hidden;
}

@keyframes sci-discovery-pulse {
  from { opacity: 0.45; }
  to { opacity: 0.9; }
}

.sci-aggregation-page,
.sci-topic-page {
  padding-top: var(--sci-space-12);
}

.sci-aggregation-header,
.sci-topic-header {
  display: grid;
  padding-bottom: var(--sci-space-10);
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: var(--sci-space-10);
  border-bottom: 1px solid var(--sci-border-strong);
}

.sci-aggregation-header h1,
.sci-topic-header h1,
.sci-topic-not-found h1 {
  max-width: 860px;
  margin: 0;
  font-family: var(--sci-font-serif);
  font-size: clamp(42px, 5.2vw, 68px);
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.sci-taxonomy-description,
.sci-topic-deck {
  max-width: 760px;
  margin: var(--sci-space-5) 0 0;
  color: var(--sci-text-secondary);
  font-size: 18px;
  line-height: 1.7;
}

.sci-aggregation-count {
  margin: 0;
  color: var(--sci-text-muted);
  text-align: right;
}

.sci-aggregation-count strong {
  display: block;
  color: var(--sci-text);
  font-family: var(--sci-font-serif);
  font-size: 36px;
  font-variant-numeric: tabular-nums;
}

.sci-aggregation-count span {
  font-size: 12px;
}

.sci-section-label {
  margin: 0;
  color: var(--sci-text-muted);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.sci-aggregation-featured {
  display: grid;
  padding-block: var(--sci-space-10);
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.75fr);
  gap: var(--sci-space-10);
  border-bottom: 1px solid var(--sci-border-strong);
}

.sci-aggregation-lead > .sci-section-label,
.sci-editor-picks > .sci-section-label {
  padding-bottom: var(--sci-space-4);
  border-bottom: 1px solid var(--sci-border-strong);
}

.sci-aggregation-lead .sci-story-card {
  padding-bottom: 0;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.92fr);
  border-bottom: 0;
}

.sci-aggregation-lead .sci-story-card h2 {
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.sci-editor-picks .sci-story-card {
  padding-block: var(--sci-space-5);
  grid-template-columns: 1fr;
}

.sci-editor-picks .sci-story-card__media {
  display: none;
}

.sci-editor-picks .sci-story-card h2 {
  font-size: 20px;
}

.sci-aggregation-grid,
.sci-topic-grid {
  display: grid;
  padding-top: var(--sci-space-10);
  grid-template-columns: minmax(0, 1.75fr) minmax(280px, 0.75fr);
  gap: var(--sci-space-12);
}

.sci-section-heading {
  display: flex;
  min-height: 42px;
  align-items: flex-start;
  justify-content: space-between;
  border-bottom: 1px solid var(--sci-border-strong);
}

.sci-section-heading > span {
  color: var(--sci-text-muted);
  font-size: 12px;
}

.sci-aggregation-stream .sci-story-card {
  grid-template-columns: minmax(0, 1fr) 180px;
}

.sci-aggregation-rail,
.sci-topic-rail {
  padding-left: var(--sci-space-7);
  border-left: 1px solid var(--sci-border-strong);
}

.sci-aggregation-rail section,
.sci-topic-rail section {
  padding: 0 0 var(--sci-space-7);
  margin-bottom: var(--sci-space-7);
  border-bottom: 1px solid var(--sci-border);
}

.sci-aggregation-rail section > p:not(.sci-section-label),
.sci-topic-rail section > p:not(.sci-section-label) {
  margin: var(--sci-space-4) 0 0;
  color: var(--sci-text-secondary);
  font-size: 14px;
  line-height: 1.65;
}

.sci-adjacent-links {
  display: grid;
  margin-top: var(--sci-space-3);
}

.sci-adjacent-links a {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--sci-border);
  color: var(--sci-text);
  text-decoration: none;
}

.sci-adjacent-links a:hover span {
  color: var(--sci-blue);
}

.sci-adjacent-links small {
  color: var(--sci-text-muted);
}

.sci-related-topic-links {
  display: grid;
  gap: var(--sci-space-3);
  margin-top: var(--sci-space-4);
}

.sci-related-topic-links a {
  display: grid;
  gap: 4px;
  padding: var(--sci-space-4) 0 var(--sci-space-4) var(--sci-space-4);
  border-left: 3px solid var(--sci-blue);
  color: var(--sci-text);
  text-decoration: none;
}

.sci-related-topic-links a:hover b,
.sci-aggregation-topic-index-link:hover {
  color: var(--sci-blue);
}

.sci-related-topic-links b {
  font-family: var(--sci-font-serif);
  font-size: 18px;
}

.sci-related-topic-links small {
  color: var(--sci-text-muted);
  font-size: 12px;
}

.sci-aggregation-topic-index-link {
  display: inline-flex;
  margin-top: var(--sci-space-5);
  color: var(--sci-blue);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.sci-taxonomy-empty,
.sci-topic-not-found {
  max-width: 760px;
  min-height: 520px;
  padding: var(--sci-space-16) 0;
}

.sci-taxonomy-empty h2 {
  margin: 0;
  font-family: var(--sci-font-serif);
  font-size: 34px;
}

.sci-taxonomy-empty > p:not(.sci-kicker),
.sci-topic-not-found > p:not(.sci-kicker) {
  max-width: 640px;
  margin: var(--sci-space-5) 0 var(--sci-space-7);
  color: var(--sci-text-secondary);
  font-size: 17px;
  line-height: 1.7;
}

.sci-topic-status {
  display: flex;
  align-items: center;
  gap: var(--sci-space-2);
  color: var(--sci-text-muted);
  font-size: 12px;
}

.sci-topic-status span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sci-success);
}

.sci-topic-update {
  position: relative;
  display: grid;
  padding: var(--sci-space-6) 0 var(--sci-space-7) var(--sci-space-7);
  grid-template-columns: 104px minmax(0, 1fr);
  gap: var(--sci-space-6);
  border-bottom: 1px solid var(--sci-border);
}

.sci-topic-update::before {
  position: absolute;
  top: 31px;
  left: 0;
  width: 7px;
  height: 7px;
  border: 2px solid var(--sci-bg);
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--sci-blue);
  background: var(--sci-blue);
  content: "";
}

.sci-topic-update time {
  color: var(--sci-text-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.sci-topic-update div > span {
  color: var(--sci-blue);
  font-size: 12px;
  font-weight: 700;
}

.sci-topic-update h2 {
  margin: var(--sci-space-2) 0 0;
  font-family: var(--sci-font-serif);
  font-size: 23px;
  line-height: 1.35;
}

.sci-topic-update h2 a {
  color: var(--sci-text);
  text-decoration: none;
}

.sci-topic-update h2 a:hover {
  color: var(--sci-blue);
}

.sci-topic-update p {
  margin: var(--sci-space-3) 0 0;
  color: var(--sci-text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.sci-topic-categories {
  display: flex;
  margin-top: var(--sci-space-4);
  flex-wrap: wrap;
  gap: var(--sci-space-2);
}

.sci-topic-categories a {
  padding: 7px 10px;
  border: 1px solid var(--sci-border);
  color: var(--sci-text-secondary);
  font-size: 12px;
  text-decoration: none;
}

.sci-topic-subscribe-panel {
  padding: var(--sci-space-6) !important;
  border: 0 !important;
  background: var(--sci-blue-soft);
}

.sci-topic-subscribe-panel .sci-button {
  width: 100%;
  margin-top: var(--sci-space-5);
}

.sci-topic-empty {
  padding: var(--sci-space-10) 0;
}

.sci-topic-empty h2 {
  margin: 0;
  font-family: var(--sci-font-serif);
  font-size: 28px;
}

.sci-topic-empty p,
.sci-aggregation-note {
  color: var(--sci-text-secondary);
}

.sci-topics-page {
  padding-top: var(--sci-space-10);
  padding-bottom: var(--sci-space-16);
}

.sci-topics-header {
  max-width: 860px;
  padding-bottom: clamp(32px, 3vw, 44px);
}

.sci-topics-header h1 {
  margin: var(--sci-space-3) 0 var(--sci-space-5);
  font-family: var(--sci-font-serif);
  font-size: clamp(48px, 6vw, 78px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.06;
}

.sci-topics-header > p:last-child {
  max-width: 680px;
  color: var(--sci-text-secondary);
  font-size: 17px;
  line-height: 1.75;
}

.sci-topics-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: clamp(34px, 5vw, 68px);
  border-top: 1px solid var(--sci-border-strong);
}

.sci-topics-active {
  min-width: 0;
  padding-top: var(--sci-space-6);
}

.sci-topics-entry {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(245px, 0.85fr);
  gap: clamp(26px, 4vw, 58px);
  padding: clamp(30px, 4vw, 46px) 0;
  border-bottom: 1px solid var(--sci-border);
}

.sci-topics-entry__summary {
  position: relative;
  padding-left: var(--sci-space-5);
}

.sci-topics-entry__summary::before {
  position: absolute;
  top: 2px;
  bottom: 3px;
  left: 0;
  width: 3px;
  background: var(--sci-blue);
  content: "";
}

.sci-topics-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sci-space-3);
  color: var(--sci-text-muted);
  font-size: 12px;
}

.sci-topics-entry__meta span {
  color: var(--sci-blue);
  font-weight: 700;
}

.sci-topics-entry__meta time::before {
  display: inline-block;
  width: 1px;
  height: 12px;
  margin-right: var(--sci-space-3);
  background: var(--sci-border-strong);
  content: "";
  vertical-align: -2px;
}

.sci-topics-entry h2 {
  margin: var(--sci-space-3) 0;
  font-family: var(--sci-font-serif);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.sci-topics-entry h2 a,
.sci-topics-entry__updates a,
.sci-topics-category-list a {
  color: var(--sci-text);
  text-decoration: none;
}

.sci-topics-entry h2 a:hover,
.sci-topics-entry__updates a:hover,
.sci-topics-category-list a:hover {
  color: var(--sci-blue);
}

.sci-topics-entry__summary > p {
  margin: 0;
  color: var(--sci-text-secondary);
  font-size: 15px;
  line-height: 1.72;
}

.sci-topics-entry__summary small {
  display: block;
  margin-top: var(--sci-space-4);
  color: var(--sci-text-muted);
  font-size: 12px;
  line-height: 1.65;
}

.sci-topics-entry__updates {
  padding-top: var(--sci-space-1);
}

.sci-topics-entry__updates .sci-section-label {
  margin: 0 0 var(--sci-space-3);
}

.sci-topics-entry__updates ol {
  display: grid;
  gap: var(--sci-space-3);
  margin: 0;
  padding-left: 18px;
}

.sci-topics-entry__updates li {
  padding-left: 2px;
  color: var(--sci-text);
  font-size: 14px;
  line-height: 1.55;
}

.sci-topics-entry__updates time {
  display: block;
  margin-top: 2px;
  color: var(--sci-text-muted);
  font-size: 12px;
}

.sci-topics-entry__empty {
  color: var(--sci-text-muted);
  font-size: 14px;
}

.sci-topics-rail {
  min-width: 0;
  padding-top: var(--sci-space-6);
  padding-left: clamp(26px, 4vw, 44px);
  border-left: 1px solid var(--sci-border-strong);
}

.sci-topics-category-list {
  margin: var(--sci-space-4) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--sci-border);
}

.sci-topics-category-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: var(--sci-space-2);
  padding: var(--sci-space-4) 0;
  border-bottom: 1px solid var(--sci-border);
}

.sci-topics-category-list li > span {
  color: var(--sci-blue);
  font-size: 12px;
  font-weight: 700;
}

.sci-topics-category-list a {
  font-family: var(--sci-font-serif);
  font-size: 17px;
  line-height: 1.35;
}

.sci-topics-category-list small {
  color: var(--sci-text-muted);
  font-size: 12px;
}

.sci-topics-review-note {
  margin-top: var(--sci-space-9);
  padding-top: var(--sci-space-5);
  border-top: 1px solid var(--sci-border-strong);
}

.sci-topics-review-note p:last-child,
.sci-topics-archive > p:last-child {
  margin: var(--sci-space-3) 0 0;
  color: var(--sci-text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.sci-topics-archive {
  margin-top: var(--sci-space-10);
  padding: var(--sci-space-6) 0;
  border-top: 1px solid var(--sci-border-strong);
  border-bottom: 1px solid var(--sci-border);
}

@media (max-width: 1023px) {
  .sci-discovery-layout {
    grid-template-columns: 1fr;
  }

  .sci-discovery-rail {
    padding: var(--sci-space-6) 0 0;
    border-top: 1px solid var(--sci-border-strong);
    border-left: 0;
  }

  .sci-editorial-filter-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sci-aggregation-featured {
    grid-template-columns: 1fr;
  }

  .sci-aggregation-grid,
  .sci-topic-grid {
    grid-template-columns: 1fr;
  }

  .sci-aggregation-rail,
  .sci-topic-rail {
    padding: var(--sci-space-7) 0 0;
    border-top: 1px solid var(--sci-border-strong);
    border-left: 0;
  }
}

@media (max-width: 767px) {
  .sci-search-page,
  .sci-browse-page,
  .sci-aggregation-page,
  .sci-topic-page {
    padding-top: var(--sci-space-10);
  }

  .sci-search-hero h1,
  .sci-browse-hero h1 {
    font-size: 36px;
  }

  .sci-aggregation-header,
  .sci-topic-header {
    grid-template-columns: 1fr;
    gap: var(--sci-space-5);
  }

  .sci-aggregation-header h1,
  .sci-topic-header h1,
  .sci-topic-not-found h1 {
    font-size: 38px;
  }

  .sci-aggregation-count {
    display: flex;
    align-items: baseline;
    gap: var(--sci-space-2);
    text-align: left;
  }

  .sci-aggregation-count strong {
    font-size: 28px;
  }

  .sci-aggregation-featured {
    padding-block: var(--sci-space-8);
    gap: var(--sci-space-8);
  }

  .sci-aggregation-lead .sci-story-card {
    grid-template-columns: 1fr;
  }

  .sci-aggregation-lead .sci-story-card__media {
    display: block;
    grid-column: 1;
    grid-row: 2;
    margin-top: var(--sci-space-4);
  }

  .sci-aggregation-lead .sci-story-card h2 {
    font-size: 29px;
  }

  .sci-aggregation-grid,
  .sci-topic-grid {
    padding-top: var(--sci-space-8);
    gap: var(--sci-space-8);
  }

  .sci-aggregation-stream .sci-story-card {
    grid-template-columns: minmax(0, 1fr) 112px;
  }

  .sci-topic-update {
    padding-left: var(--sci-space-5);
    grid-template-columns: 1fr;
    gap: var(--sci-space-2);
  }

  .sci-topic-update p {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .sci-search--hero .sci-search__row {
    flex-direction: row;
  }

  .sci-search--hero input {
    min-width: 0;
  }

  .sci-search--hero .sci-button {
    min-width: 72px;
    padding-inline: var(--sci-space-3);
  }

  .sci-search-summary {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: var(--sci-space-1);
  }

  .sci-result-list .sci-story-card,
  .sci-browse-results .sci-story-card {
    grid-template-columns: minmax(0, 1fr) 112px;
  }

  .sci-search-empty h2 {
    font-size: 28px;
  }

  .sci-browse-toolbar {
    position: sticky;
    z-index: 20;
    top: var(--sci-header-mobile);
    background: var(--sci-bg);
  }

  .sci-filter-open {
    display: inline-flex;
  }

  .sci-editorial-filter-bar {
    display: none;
  }

  .sci-filter-backdrop {
    position: fixed;
    z-index: 11000;
    inset: 0;
    display: block;
    background: rgba(17, 24, 39, 0.42);
  }

  .sci-filter-backdrop[hidden],
  .sci-filter-drawer[hidden] {
    display: none;
  }

  .sci-filter-drawer {
    position: fixed;
    z-index: 11001;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    max-height: min(86vh, 720px);
    padding-bottom: env(safe-area-inset-bottom);
    grid-template-rows: auto minmax(0, 1fr) auto;
    border-top: 3px solid var(--sci-blue);
    background: var(--sci-bg);
    box-shadow: var(--sci-shadow-drawer);
  }

  .sci-filter-drawer__head {
    display: flex;
    min-height: 64px;
    padding-inline: var(--sci-space-5);
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--sci-border);
  }

  .sci-filter-drawer__head h2 {
    margin: 0;
    font-family: var(--sci-font-serif);
    font-size: 22px;
  }

  .sci-filter-drawer__head button {
    width: var(--sci-control-md);
    height: var(--sci-control-md);
    border: 0;
    background: transparent;
    font-size: 28px;
  }

  .sci-filter-drawer__body {
    display: grid;
    overflow-y: auto;
    padding: var(--sci-space-5);
    gap: var(--sci-space-5);
  }

  .sci-filter-drawer__actions {
    display: grid;
    padding: var(--sci-space-4) var(--sci-space-5);
    grid-template-columns: 0.75fr 1.25fr;
    gap: var(--sci-space-3);
    border-top: 1px solid var(--sci-border);
    background: var(--sci-bg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sci-results-skeleton span {
    animation: none;
  }
}

@media (max-width: 980px) {
  .sci-topics-layout {
    grid-template-columns: 1fr;
  }

  .sci-topics-rail {
    padding: var(--sci-space-7) 0 0;
    border-top: 1px solid var(--sci-border-strong);
    border-left: 0;
  }
}

@media (max-width: 767px) {
  .sci-topics-page {
    padding-top: var(--sci-space-10);
  }

  .sci-topics-header h1 {
    font-size: 38px;
  }

  .sci-topics-header > p:last-child {
    font-size: 16px;
  }

  .sci-topics-entry {
    grid-template-columns: 1fr;
    gap: var(--sci-space-5);
  }

  .sci-topics-entry h2 {
    font-size: 30px;
  }
}