/* BI as a clinical sheet: three chapters, compact labelled rows, inline alternatives.
   Scoped to medicine profiles; preserves clinical reading-size preferences. */
#main .ph-bi-sheet { display: grid; gap: 18px; margin: 14px 0 18px; }
#main .ph-bi-chapter { min-width: 0; border: 1px solid var(--line); border-radius: 12px; background: var(--surface, #fff); overflow: hidden; scroll-margin-top: 140px; }
#main .ph-bi-chapter-heading { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--ink) 3%, var(--surface, #fff)); }
#main .ph-bi-chapter-heading > span { color: var(--muted); font-size: .75rem; font-weight: 600; letter-spacing: .08em; }
#main .ph-bi-chapter-heading h2 { margin: 0; color: var(--ink); font-size: 1.1rem; line-height: 1.4; }
#main .ph-bi-sheet .ph-bi-unit, #main .ph-bi-toolstrip .ph-bi-unit {
  display: grid; grid-template-columns: minmax(150px, 24%) minmax(0, 1fr);
  align-items: start; min-width: 0; min-height: 0; height: auto; overflow: visible;
  border: 0; border-radius: 0; box-shadow: none; background: transparent;
}
#main .ph-bi-chapter-content > .ph-bi-unit + .ph-bi-unit { border-top: 1px solid var(--line); }
#main :is(.ph-bi-sheet,.ph-bi-toolstrip) .ph-bi-unit > header {
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
  padding: 18px; min-width: 0; background: transparent; border: 0;
}
#main :is(.ph-bi-sheet,.ph-bi-toolstrip) .ph-bi-unit > header :is(h2,h3) { display: flex; align-items: center; gap: 9px; min-width: 0; margin: 0; font-size: .94rem; line-height: 1.4; }
#main .ph-bi-section-icon { flex: 0 0 26px; width: 26px; height: 26px; border-radius: 7px; }
#main .ph-bi-section-icon svg { width: 18px; height: 18px; }
#main :is(.ph-bi-sheet,.ph-bi-toolstrip) .ph-bi-status { max-width: 100%; text-align: left; white-space: normal; font-size: .75rem; line-height: 1.4; }
#main :is(.ph-bi-sheet,.ph-bi-toolstrip) .ph-bi-card-body { flex: none; min-width: 0; padding: 18px 18px 18px 0; }
#main .ph-bi-sheet .ph-bi-card-body > :first-child { margin-top: 0; }
#main .ph-bi-sheet .ph-bi-card-body > :last-child { margin-bottom: 0; }
#main .ph-bi-sheet .ph-bi-card-body > p { margin: 8px 0; line-height: 1.55; }
#main .ph-bi-sheet .ph-bi-card-body > p + p { padding-top: 0; border-top: 0; }
#main .ph-bi-sheet [data-section='dose'] { background: color-mix(in srgb, var(--card-accent) 3%, var(--surface, #fff)); }
#main .ph-bi-sheet [data-section='dose'] h3 { font-weight: 750; }
#main .ph-bi-context-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
#main .ph-bi-context-pair .ph-bi-unit { display: block; }
#main .ph-bi-context-pair .ph-bi-unit + .ph-bi-unit { border-left: 1px solid var(--line); }
#main .ph-bi-context-pair .ph-bi-unit > header { flex-direction: row; flex-wrap: wrap; align-items: center; padding-bottom: 0; }
#main .ph-bi-context-pair .ph-bi-card-body { padding: 12px 18px 18px; }
#main .ph-bi-sheet .ph-bi-alternative { padding: 12px 0 0; margin-top: 12px; border-top: 1px dashed var(--line); }
#main .ph-bi-sheet .ph-bi-alternative h4 { margin: 0 0 6px; font-size: .875rem; color: var(--ink); }
#main .ph-bi-sheet .ph-bi-alternative p { margin: 6px 0; line-height: 1.55; }
#main .ph-bi-reading-controls { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; color: var(--muted); font-size: .875rem; }
#main .ph-bi-reading-controls button { min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); font: inherit; cursor: pointer; }
#main .ph-bi-disclosure { margin: 12px 0 0; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: transparent; }
#main .ph-bi-disclosure > summary { padding: 11px 12px; min-height: 44px; box-sizing: border-box; cursor: pointer; color: var(--ink); font-weight: 600; line-height: 1.45; }
#main .ph-bi-disclosure[open] > summary { border-bottom: 1px solid var(--line); margin-bottom: 10px; }
#main .ph-bi-disclosure > :not(summary) { margin-left: 12px; margin-right: 12px; }
#main .ph-bi-disclosure > :last-child { margin-bottom: 12px; }
#main .ph-bi-rationale { border-left: 3px solid var(--card-accent); }
#main .ph-bi-toolstrip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 18px 0; }
#main .ph-bi-toolstrip .ph-bi-card-body { padding-top: 12px; padding-bottom: 12px; }
#main .ph-bi-toolstrip .ph-bi-actions { gap: 6px; }
#main :is(.ph-bi-reading-controls button,.ph-bi-disclosure > summary):hover { background: color-mix(in srgb, var(--ink) 4%, var(--surface)); }
#main :is(.ph-bi-reading-controls button,.ph-bi-disclosure > summary):focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
#main .bi-safety-summary-group p { line-height: 1.55; }
#main .bi-safety-caption { color: var(--muted); font-size: .875rem; line-height: 1.5; }
html[data-theme='dark'] #main .ph-bi-sheet .ph-bi-unit { --card-accent: #9ac8ce; }
html[data-theme='dark'] #main .ph-bi-sheet [data-tone='ok'] { --card-accent: #82cba9; }
html[data-theme='dark'] #main .ph-bi-sheet [data-tone='caution'] { --card-accent: #e8c27c; }
html[data-theme='dark'] #main .ph-bi-sheet [data-tone='danger'] { --card-accent: #eda0a5; }
@media (max-width: 680px) {
  #main .ph-bi-sheet { gap: 12px; }
  #main .ph-bi-sheet .ph-bi-unit, #main .ph-bi-toolstrip .ph-bi-unit { grid-template-columns: minmax(0, 1fr); }
  #main :is(.ph-bi-sheet,.ph-bi-toolstrip) .ph-bi-unit > header { flex-direction: row; flex-wrap: wrap; align-items: center; padding: 14px 14px 0; }
  #main :is(.ph-bi-sheet,.ph-bi-toolstrip) .ph-bi-card-body { padding: 12px 14px 14px; }
  #main .ph-bi-context-pair { grid-template-columns: minmax(0, 1fr); }
  #main .ph-bi-context-pair .ph-bi-unit + .ph-bi-unit { border-left: 0; border-top: 1px solid var(--line); }
  #main .ph-bi-chapter-heading { padding: 12px 14px; }
  #main .ph-bi-chapter { scroll-margin-top: 190px; }
}
@media print {
  #main .ph-bi-reading-controls { display: none; }
  #main .ph-bi-sheet { display: block; }
  #main .ph-bi-chapter { margin-bottom: 14px; overflow: visible; }
  #main .ph-bi-unit { break-inside: avoid; }
  #main .ph-bi-disclosure > :not(summary) { display: block !important; }
  #main .ph-bi-disclosure::details-content { content-visibility: visible; }
}