/* Research Article — /snps/:rsid (Figma work-file "Research Article", 135:3355).
 * Big rsid header + one-line summary, then a two-column layout: a left details
 * box (labelled sections) and a right reading column (a "Your genotype / Your
 * recommendations" top panel, the article body, genotype interpretations, and
 * the full recommendations section). */

/* ============ Header ============ */
.snp-article-header { margin-bottom: var(--spacing-32); }

/* Headline composite per breakpoint: md (mobile) → lg (tablet) → xl (desktop). */
.snp-article-title {
  font-family: var(--font-family-display);
  font-weight: var(--font-weight-700);
  letter-spacing: var(--font-letter-spacing-tight);
  color: var(--text-primary);
  font-size: var(--font-size-24); /* headline-md */
  line-height: 1.15;
}
@media (min-width: 48rem) {
  .snp-article-title { font-size: var(--font-size-32); line-height: 1.15; } /* headline-lg */
}
@media (min-width: 64rem) {
  .snp-article-title { font-size: var(--font-size-60); line-height: 1; } /* headline-xl */
}
.snp-article-title-gene {
  font-size: var(--font-size-24);
  font-weight: var(--font-weight-500);
  letter-spacing: var(--font-letter-spacing-normal);
  color: var(--text-tertiary);
}
/* Tablet & mobile: drop the gene/variant suffix to 20px. */
@media (max-width: 63.999rem) {
  .snp-article-title-gene { font-size: var(--font-size-20); }
}

.snp-article-summary {
  margin-top: var(--spacing-16);
  font-family: var(--font-family-display);
  font-size: var(--font-size-24);
  font-weight: var(--font-weight-500);
  line-height: 1.33;
  color: var(--text-secondary);
}
/* Tablet & mobile: drop the summary to 20px. */
@media (max-width: 63.999rem) {
  .snp-article-summary { font-size: var(--font-size-20); }
}

/* ============ Two-column layout ============ */
.snp-article-layout {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-32);

  @media (min-width: 64rem) { flex-direction: row; align-items: flex-start; }
}

.snp-article-sidebar {
  flex-shrink: 0;
  @media (min-width: 64rem) { width: var(--width-320); }
}

.snp-article-main {
  flex: 1 1 0%;
  min-width: 0;

  & > * + * { margin-top: var(--spacing-24); }
}

/* ============ Left — details box ============ */
.snp-article-detailbox {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-32);
  padding: var(--spacing-32);
  border-radius: var(--corner-radius-xs);
  background-color: var(--background-surface-1);

  @media (min-width: 64rem) {
    position: sticky;
    top: var(--spacing-32);
  }
}

/* Mobile: tighten the card padding from 32 to 24. */
@media (max-width: 47.999rem) {
  .snp-article-detailbox { padding: var(--spacing-24); }
}

/* Fade + "Continue reading" affordance — desktop hides it entirely. */
.snp-article-detailbox-fade { display: none; }

/* Tablet & mobile: collapse the details box to a peek height, fading its
   content out to a "Continue reading" CTA. Tapping expands (detailbox_controller). */
@media (max-width: 63.999rem) {
  .snp-article-detailbox {
    position: relative;
    max-height: 196px;
    overflow: hidden;
    cursor: pointer;
  }
  .snp-article-detailbox.is-expanded {
    max-height: none;
    overflow: visible;
    cursor: default;
  }

  .snp-article-detailbox-fade {
    position: absolute;
    inset-inline: 0;
    bottom: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    height: 8rem;
    padding-bottom: var(--spacing-24);
    background-image: linear-gradient(to bottom, transparent, var(--background-surface-1) 70%);
    pointer-events: none;
  }
  .snp-article-detailbox.is-expanded .snp-article-detailbox-fade { display: none; }

  .snp-article-detailbox-more {
    padding-block: var(--spacing-8);
    padding-inline: var(--spacing-16);
    border-radius: var(--corner-radius-xs);
    background-color: var(--background-surface-2);
    font-family: var(--font-family-display);
    font-size: var(--font-size-14);
    font-weight: var(--font-weight-600);
    color: var(--text-primary);
  }
}

/* Shared eyebrow label — section headers in the box AND the top panel.
 * (Björn: "Your genotype" reuses the same header style as "Your recommendations".) */
.snp-article-eyebrow {
  font-family: var(--font-family-body);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-600);
  letter-spacing: var(--font-letter-spacing-wider);
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.snp-article-detailbox-section .snp-article-eyebrow { margin-bottom: var(--spacing-16); }

.snp-article-dl { display: flex; flex-direction: column; gap: var(--spacing-8); }
.snp-article-dl-row {
  display: flex;
  gap: var(--spacing-8);
  font-size: var(--font-size-14);
}
.snp-article-dl-row dt { flex: 0 0 6rem; color: var(--text-secondary); }
.snp-article-dl-row dd { flex: 1 1 0%; font-weight: var(--font-weight-600); color: var(--text-primary); }
.snp-article-dd--mono,
.snp-article-dd--risk { font-family: var(--font-family-mono); }
.snp-article-dd-link {
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  &:hover { color: var(--text-hover); }
}

/* Population / ancestry frequency bars */
.snp-article-freq { display: flex; flex-direction: column; gap: var(--spacing-8); }
.snp-article-freq-row { display: flex; align-items: center; gap: var(--spacing-4); }
.snp-article-freq-geno {
  flex: 0 0 1.5rem;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
}
.snp-article-freq-ancestry {
  flex: 0 0 6rem;
  font-size: var(--font-size-14);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.snp-article-freq-track {
  flex: 1 1 0%;
  height: var(--spacing-8);
  border-radius: var(--corner-radius-full);
  background-color: var(--background-surface-2);
}
.snp-article-freq-fill {
  height: var(--spacing-8);
  border-radius: var(--corner-radius-full);
  background-color: var(--symbol-strong);
}
.snp-article-freq-fill--muted { background-color: var(--symbol-default); }
.snp-article-freq-pct {
  flex: 0 0 2.25rem;
  text-align: right;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-12);
  color: var(--text-tertiary);
}
.snp-article-you {
  flex: 0 0 2.25rem;
  margin-left: var(--spacing-4); /* 4px row gap + 4px = 8px before the pill */
  text-align: center;
  padding-block: var(--spacing-2);
  border-radius: var(--corner-radius-xs);
  background-image: var(--brand-gradient);
  color: var(--text-light);
  font-size: var(--font-size-12);
  font-weight: var(--font-weight-600);
  letter-spacing: var(--font-letter-spacing-wide);
  text-transform: uppercase;
}
/* Reserve the "You" pill's space on the other population rows so every bar
   (track) ends at the same length. */
.snp-article-freq--pop .snp-article-freq-row:not(:has(.snp-article-you)) {
  padding-right: calc(2.25rem + var(--spacing-8));
}

/* External sources */
.snp-article-sources { display: flex; flex-wrap: wrap; gap: var(--spacing-16); }
.snp-article-source {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-4);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  &:hover { color: var(--text-hover); }
}
.snp-article-source-icon { width: 0.75rem; height: 0.75rem; color: var(--symbol-default); }

/* Tags — comma-separated inline links (Figma renders them as one fw600 run). */
.snp-article-tags { font-size: var(--font-size-14); }
.snp-article-tag {
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  &:hover { color: var(--text-hover); }
  &:not(:last-child)::after { content: ", "; color: var(--text-secondary); }
}

/* ============ Right — top panel (genotype + recommendations) ============ */
.snp-article-toppanel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  padding: var(--spacing-32);
  border-radius: var(--corner-radius-xs);
  background-color: var(--background-surface-1);
}

/* Mobile: tighten the card padding from 32 to 24. */
@media (max-width: 47.999rem) {
  .snp-article-toppanel { padding: var(--spacing-24); }
}
.snp-article-toppanel-block .snp-article-eyebrow { margin-bottom: var(--spacing-8); }

.snp-article-yourgeno {
  font-size: var(--font-size-16);
  line-height: 1.4;
  color: var(--text-secondary);
}
.snp-article-yourgeno-alleles {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-20);
  font-weight: var(--font-weight-700);
  color: var(--text-primary);
}
.snp-article-yourgeno-text { color: var(--text-primary); }

.snp-article-recpreview { display: flex; flex-direction: column; gap: var(--spacing-4); }
.snp-article-recpreview-item {
  font-family: var(--font-family-display);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
}

.snp-article-learnmore {
  align-self: flex-start;
  margin-top: var(--spacing-12);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  height: 2rem;
  padding-inline: var(--spacing-16);
  border-radius: var(--corner-radius-xs);
  background-image: var(--brand-gradient);
  color: var(--text-light);
  font-family: var(--font-family-display);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-500);
  letter-spacing: var(--font-letter-spacing-tight);
}
.snp-article-learnmore:hover { color: var(--text-light); opacity: 0.92; }
.snp-article-learnmore-icon { width: var(--spacing-16); height: var(--spacing-16); }

/* No-result / upload notices */
.snp-article-notice {
  padding: var(--spacing-24);
  border-radius: var(--corner-radius-xs);
  background-color: var(--background-surface-1);
}
.snp-article-notice--cta { text-align: center; }
.snp-article-notice-title {
  font-size: var(--font-size-18);
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  margin-bottom: var(--spacing-8);
}
.snp-article-notice-text {
  font-size: var(--font-size-14);
  color: var(--text-secondary);
}
.snp-article-notice-button {
  display: inline-block;
  margin-top: var(--spacing-16);
  padding-block: var(--spacing-8);
  padding-inline: var(--spacing-24);
  border-radius: var(--corner-radius-xs);
  background-image: var(--brand-gradient);
  color: var(--text-light);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-600);
}
.snp-article-notice-fine {
  margin-top: var(--spacing-12);
  font-size: var(--font-size-12);
  color: var(--text-tertiary);
}

/* ============ Article body ============ */
/* prose styling lives in objects/_prose.css; the body carries `prose`. The
 * Figma constrains the text measure to ~672px (the right column reserves a
 * margin gutter for citations). */
.snp-article-body {
  max-width: var(--width-672);
  color: var(--text-secondary);
}

/* Sidenote annotations (Tufte-style margin notes) read as tertiary. */
.annotated-prose .sidenote-annotation { color: var(--text-tertiary); }

/* ============ Section headings ============ */
.snp-article-h2 {
  font-family: var(--font-family-display);
  font-size: var(--font-size-24);
  font-weight: var(--font-weight-700);
  letter-spacing: var(--font-letter-spacing-tight);
  color: var(--text-primary);
}
.snp-article-section-sub {
  margin-top: var(--spacing-8);
  font-family: var(--font-family-display);
  font-size: var(--font-size-20);
  font-weight: var(--font-weight-500);
  color: var(--text-secondary);
}

/* ============ Interactions (drugs / nutrients) ============ */
.snp-article-interactions { margin-top: var(--spacing-16); }
.snp-article-interactions > * + * {
  margin-top: var(--spacing-12);
  padding-top: var(--spacing-12);
  border-top: var(--stroke-weight-1) solid var(--border-subtle);
}
.snp-article-interaction-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-8);
}
.snp-article-interaction-name { font-weight: var(--font-weight-600); color: var(--text-primary); }
.snp-article-interaction-tag {
  padding-inline: var(--spacing-8);
  padding-block: var(--spacing-2);
  border-radius: var(--corner-radius-xs);
  background-color: var(--background-surface-2);
  font-size: var(--font-size-12);
  font-weight: var(--font-weight-600);
  color: var(--text-secondary);
}
.snp-article-interaction-desc {
  margin-top: var(--spacing-4);
  font-size: var(--font-size-14);
  color: var(--text-secondary);
}

/* ============ Genotype interpretations ============ */
.snp-article-genotypes {
  margin-top: var(--spacing-16);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-24);
}
.snp-article-genotype-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}
.snp-article-genotype-alleles {
  font-family: var(--font-family-display);
  font-size: var(--font-size-24);
  font-weight: var(--font-weight-700);
  letter-spacing: var(--font-letter-spacing-tight);
  color: var(--text-primary);
}
.snp-article-genotype-nick {
  font-size: var(--font-size-16);
  color: var(--text-secondary);
}
.snp-article-genotype-tag {
  padding-inline: var(--spacing-4);
  padding-block: var(--spacing-2);
  border-radius: var(--corner-radius-xs);
  background-color: var(--background-surface-2);
  font-size: var(--font-size-12);
  font-weight: var(--font-weight-600);
  letter-spacing: var(--font-letter-spacing-wide);
  text-transform: uppercase;
  color: var(--text-secondary);
}
.snp-article-genotype-tag--you {
  background-color: transparent;
  background-image: var(--brand-gradient);
  color: var(--text-light);
}
.snp-article-genotype-headline {
  font-family: var(--font-family-display);
  font-size: var(--font-size-20);
  font-weight: var(--font-weight-700);
  letter-spacing: var(--font-letter-spacing-tight);
  color: var(--text-primary);
  margin-bottom: var(--spacing-8);
}
/* prose styling lives in objects/_prose.css; carries `prose prose-sm`. */
.snp-article-genotype-body { max-width: none; color: var(--text-secondary); }

/* ============ Key references ============ */
.snp-article-references { margin-top: var(--spacing-16); display: flex; flex-direction: column; gap: var(--spacing-12); }
.snp-article-reference { font-size: var(--font-size-14); }
.snp-article-reference-link {
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  &:hover { color: var(--text-hover); }
}
.snp-article-reference-summary { margin-top: var(--spacing-2); color: var(--text-secondary); }

/* ============ Your recommendations (full section) ============ */
.snp-article-recs-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-16);
}
/* Mobile: stack the heading text and the genotype badge into two rows. */
@media (max-width: 47.999rem) {
  .snp-article-recs-head { flex-direction: column; }
}
.snp-article-recs-badge {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-4);
  text-align: right;
}
.snp-article-recs-badge-alleles {
  font-family: var(--font-family-display);
  font-size: var(--font-size-24);
  font-weight: var(--font-weight-700);
  letter-spacing: var(--font-letter-spacing-tight);
  color: var(--text-primary);
}
.snp-article-recs-group { margin-top: var(--spacing-16); }
.snp-article-recs-group-heading {
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  margin-bottom: var(--spacing-8);
}
.snp-article-recs-preview-title { font-weight: var(--font-weight-600); color: var(--text-primary); }
.snp-article-recs-preview-summary { margin-top: var(--spacing-2); color: var(--text-secondary); }
.snp-article-recs-preview-clip {
  position: relative;
  margin-top: var(--spacing-8);
  max-height: 5rem;
  overflow: hidden;
}
.snp-article-recs-preview-fade {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: var(--spacing-48);
  background-image: linear-gradient(to bottom, transparent, var(--background-base));
}