/* Peptide Wiki Template — styles.css
 * -----------------------------------
 * Clinical · light · plush. Rebrand the whole wiki by editing the six tokens
 * at the top of :root (--pw-bg, --pw-ink, --pw-primary, --pw-teal,
 * --pw-amber, --pw-border). Nothing else uses raw color names.
 */

:root {
  /* Core clinical palette --------------------------------------------------- */
  --pw-bg:           #f6f8fb;     /* page background (off-white clinical) */
  --pw-surface:      #ffffff;     /* cards / panels */
  --pw-surface-soft: #f0f4f8;     /* subtle tinted surface */
  --pw-surface-warm: #fbf8f2;     /* parchment / reference-pad warmth */
  --pw-ink:          #1d2733;     /* primary body text */
  --pw-ink-soft:     #3e4a58;     /* secondary text (AA on white 10.3:1) */
  --pw-muted:        #5f6d7d;     /* tertiary text (AA on white 5.2:1) */
  --pw-border:       #dfe6ee;     /* standard border */
  --pw-border-soft:  #ecf1f6;     /* hairline / row separator */

  --pw-primary:      #0b6fa9;     /* clinical blue */
  --pw-primary-ink:  #074e78;     /* darker blue for links on hover */
  --pw-primary-soft: #e6f2fb;     /* primary-tinted bg (chips, callouts) */
  --pw-teal:         #1e8e84;     /* accent (3.3:1 on teal-soft) */
  --pw-teal-soft:    #e6f6f4;
  --pw-amber:        #a67222;     /* warm accent (3.8:1 on amber-soft) */
  --pw-amber-soft:   #fbf1dc;
  --pw-danger:       #c0392b;
  --pw-danger-soft:  #fdecea;
  --pw-success:      #2e8b57;

  /* Shape + shadow --------------------------------------------------------- */
  --pw-radius-sm: 6px;
  --pw-radius:    12px;
  --pw-radius-lg: 18px;
  --pw-shadow-sm: 0 1px 2px rgba(20, 40, 70, 0.05);
  --pw-shadow:    0 4px 16px rgba(15, 35, 65, 0.08);
  --pw-shadow-lg: 0 12px 36px rgba(15, 35, 65, 0.12);

  /* Type ------------------------------------------------------------------- */
  --pw-font:       "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
                   Roboto, "Helvetica Neue", Arial, sans-serif;
  --pw-font-serif: "Newsreader", "Fraunces", Georgia, "Times New Roman", serif;
  --pw-font-mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--pw-bg);
  color: var(--pw-ink);
  font-family: var(--pw-font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--pw-primary); text-decoration: none; }
a:hover { color: var(--pw-primary-ink); text-decoration: underline; }
button, input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 { font-family: var(--pw-font-serif); color: var(--pw-ink); letter-spacing: -0.005em; }

/* ── App shell ────────────────────────────────────────────────────────────── */

.pw-app {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
}

.pw-topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--pw-border);
  background: var(--pw-surface);
  box-shadow: var(--pw-shadow-sm);
  position: sticky;
  top: 0;
  z-index: 20;
}
.pw-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.pw-brand:hover { text-decoration: none; }
.pw-logo {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--pw-primary), var(--pw-teal));
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--pw-font-serif);
  font-weight: 700;
  font-size: 18px;
  box-shadow: var(--pw-shadow-sm);
}
.pw-topbar h1 {
  margin: 0;
  font-family: var(--pw-font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--pw-ink);
  letter-spacing: 0.01em;
}
.pw-topbar .pw-title-sub {
  color: var(--pw-muted);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding-left: 10px;
  border-left: 1px solid var(--pw-border);
  margin-left: 6px;
}
.pw-topbar nav {
  margin-left: auto;
  display: flex;
  gap: 4px;
}
.pw-topbar nav a {
  padding: 7px 14px;
  border-radius: var(--pw-radius-sm);
  color: var(--pw-ink-soft);
  font-weight: 500;
  font-size: 14px;
}
.pw-topbar nav a:hover { background: var(--pw-surface-soft); text-decoration: none; }
.pw-topbar nav a.active {
  background: var(--pw-primary);
  color: #fff;
}
.pw-topbar nav a.active:hover { background: var(--pw-primary-ink); }

/* Mobile: shrink the topbar so it never drives horizontal overflow. */
@media (max-width: 720px) {
  .pw-topbar { flex-wrap: wrap; gap: 8px; }
  .pw-topbar .pw-title-sub { display: none; }
  .pw-topbar nav { gap: 2px; }
  .pw-topbar nav a { padding: 6px 10px; font-size: 13px; }
}
@media (max-width: 600px) {
  .pw-topbar { padding: 10px 14px; }
  .pw-topbar h1 { font-size: 16px; }
}

.pw-banner {
  padding: 10px 20px;
  background: var(--pw-amber-soft);
  border-bottom: 1px solid color-mix(in srgb, var(--pw-amber) 30%, var(--pw-amber-soft));
  color: var(--pw-ink);
  font-size: 12.5px;
  text-align: center;
}
.pw-banner strong { color: var(--pw-amber); letter-spacing: 0.08em; }
.pw-banner code {
  background: rgba(0,0,0,0.04);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--pw-font-mono);
  font-size: 11px;
}

/* ── Landing page ─────────────────────────────────────────────────────────── */

.pw-landing {
  max-width: 1040px;
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.pw-hero {
  padding: 64px 40px 56px;
  text-align: center;
  background: linear-gradient(180deg, var(--pw-surface) 0%, var(--pw-surface-soft) 100%);
  border: 1px solid var(--pw-border-soft);
  border-radius: var(--pw-radius-lg);
  margin-top: 24px;
  box-shadow: var(--pw-shadow-sm);
}
.pw-hero-kicker {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pw-primary);
  font-weight: 600;
  margin-bottom: 18px;
  padding: 5px 14px;
  background: var(--pw-primary-soft);
  border-radius: 999px;
}
.pw-hero h2 {
  font-family: var(--pw-font-serif);
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.15;
  font-weight: 500;
  max-width: 720px;
  margin: 0 auto 16px;
  color: var(--pw-ink);
  letter-spacing: -0.01em;
}
.pw-hero p {
  font-size: 17px;
  color: var(--pw-ink-soft);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.55;
}

.pw-hero-search {
  max-width: 560px;
  margin: 0 auto 20px;
  position: relative;
}
.pw-hero-search input {
  width: 100%;
  padding: 16px 52px 16px 22px;
  font-size: 16px;
  background: var(--pw-surface);
  border: 1.5px solid var(--pw-border);
  border-radius: 999px;
  box-shadow: var(--pw-shadow-sm);
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.pw-hero-search input:focus {
  border-color: var(--pw-primary);
  box-shadow: 0 0 0 4px var(--pw-primary-soft);
}
.pw-hero-search-icon {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--pw-muted);
  pointer-events: none;
}

.pw-hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 32px;
  font-size: 13px;
  color: var(--pw-muted);
  margin-top: 8px;
}
.pw-hero-stats strong { color: var(--pw-ink); font-weight: 600; }

.pw-hero-suggestions {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--pw-surface);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  box-shadow: var(--pw-shadow-lg);
  max-height: 320px;
  overflow: auto;
  text-align: left;
  z-index: 5;
  display: none;
}
.pw-hero-suggestions.show { display: block; }
.pw-hero-suggestion {
  padding: 10px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  border-bottom: 1px solid var(--pw-border-soft);
}
.pw-hero-suggestion:last-child { border-bottom: none; }
.pw-hero-suggestion:hover, .pw-hero-suggestion.kbd-active {
  background: var(--pw-primary-soft);
}
.pw-hero-suggestion b { font-weight: 600; color: var(--pw-ink); }
.pw-hero-suggestion small {
  color: var(--pw-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.pw-section-title {
  font-family: var(--pw-font-serif);
  font-size: 22px;
  color: var(--pw-ink);
  margin: 48px 0 16px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.pw-section-title small {
  font-family: var(--pw-font);
  font-size: 12px;
  font-weight: 500;
  color: var(--pw-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.pw-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}
.pw-category-card {
  background: var(--pw-surface);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: transform .12s, box-shadow .12s, border-color .12s;
  text-decoration: none;
  color: inherit;
}
.pw-category-card:hover {
  transform: translateY(-2px);
  border-color: var(--pw-primary);
  box-shadow: var(--pw-shadow);
  text-decoration: none;
}
.pw-category-icon {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--pw-primary-soft);
  color: var(--pw-primary);
  font-size: 22px;
  flex-shrink: 0;
  /* emoji glyph fills its own color, so the container color is decorative */
}
.pw-category-card[data-cat="healing"]   .pw-category-icon { background: var(--pw-teal-soft);   color: var(--pw-teal); }
.pw-category-card[data-cat="growth"]    .pw-category-icon { background: var(--pw-primary-soft);color: var(--pw-primary); }
.pw-category-card[data-cat="immune"]    .pw-category-icon { background: #e6f4ea;              color: var(--pw-success); }
.pw-category-card[data-cat="longevity"] .pw-category-icon { background: #efeaf6;              color: #7b5dac; }
.pw-category-card[data-cat="metabolic"] .pw-category-icon { background: var(--pw-amber-soft); color: var(--pw-amber); }
.pw-category-card[data-cat="neuro"]     .pw-category-icon { background: #e8ecf8;              color: #4059ad; }
.pw-category-card[data-cat="skin"]      .pw-category-icon { background: #fde8ef;              color: #c84370; }
.pw-category-card[data-cat="libido"]    .pw-category-icon { background: #fdeaea;              color: var(--pw-danger); }
.pw-category-card .pw-cat-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.pw-category-card .pw-cat-name {
  font-family: var(--pw-font-serif);
  font-size: 17px;
  color: var(--pw-ink);
  text-transform: capitalize;
}
.pw-category-card .pw-cat-count {
  font-size: 12px;
  color: var(--pw-muted);
}

.pw-featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
}
.pw-featured-card {
  background: var(--pw-surface);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: transform .12s, box-shadow .12s, border-color .12s;
}
.pw-featured-card:hover {
  transform: translateY(-2px);
  border-color: var(--pw-primary);
  box-shadow: var(--pw-shadow);
  text-decoration: none;
}
.pw-featured-thumb {
  aspect-ratio: 1.6 / 1;
  background: var(--pw-surface-soft);
  object-fit: cover;
  border-bottom: 1px solid var(--pw-border-soft);
}
.pw-featured-thumb-fallback {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--pw-font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--pw-muted);
  background: linear-gradient(135deg, var(--pw-primary-soft), var(--pw-teal-soft));
}
.pw-featured-body { padding: 12px 14px; display: flex; flex-direction: column; gap: 4px; }
.pw-featured-name {
  font-family: var(--pw-font-serif);
  font-size: 17px;
  color: var(--pw-ink);
}
.pw-featured-tagline {
  font-size: 12px;
  color: var(--pw-ink-soft);
  line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.pw-featured-cat {
  font-size: 11.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--pw-primary);
  margin-top: 4px;
  font-weight: 600;
}

/* ── Browse (catalog + detail) ────────────────────────────────────────────── */

.pw-main {
  display: grid;
  grid-template-columns: minmax(280px, 340px) 1fr;
  min-height: 0;
}
.pw-catalog {
  border-right: 1px solid var(--pw-border);
  background: var(--pw-surface);
  overflow: auto;
  padding: 16px;
}
.pw-content {
  overflow: auto;
  padding: 0;
  background: var(--pw-bg);
}
@media (max-width: 900px) {
  .pw-main { grid-template-columns: 1fr; }
  .pw-catalog {
    border-right: none;
    border-bottom: 1px solid var(--pw-border);
    max-height: 52vh;
  }
}

.pw-filter-bar {
  position: sticky;
  top: 0;
  background: var(--pw-surface);
  padding: 4px 4px 12px;
  margin-bottom: 12px;
  z-index: 1;
}
.pw-search {
  width: 100%;
  padding: 10px 14px;
  background: var(--pw-surface);
  border: 1px solid var(--pw-border);
  border-radius: 999px;
  outline: none;
  transition: border-color .12s, box-shadow .12s;
}
.pw-search:focus {
  border-color: var(--pw-primary);
  box-shadow: 0 0 0 3px var(--pw-primary-soft);
}

.pw-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 10px;
}
.pw-chip {
  padding: 6px 14px;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  font-size: 11.5px;
  background: var(--pw-surface-soft);
  color: var(--pw-ink-soft);
  border: 1px solid var(--pw-border);
  border-radius: 999px;
  cursor: pointer;
  text-transform: capitalize;
  font-weight: 500;
  transition: all .12s;
}
@media (max-width: 600px) {
  .pw-chip { min-height: 32px; padding: 7px 14px; }
}
.pw-chip:hover { color: var(--pw-primary); border-color: var(--pw-primary); }
.pw-chip.active {
  background: var(--pw-primary);
  color: #fff;
  border-color: var(--pw-primary);
}

.pw-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pw-card {
  display: flex;
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--pw-border-soft);
  border-radius: var(--pw-radius-sm);
  background: var(--pw-surface);
  cursor: pointer;
  transition: border-color .12s, transform .12s, box-shadow .12s;
}
.pw-card:hover {
  border-color: var(--pw-primary);
  transform: translateX(2px);
  box-shadow: var(--pw-shadow-sm);
}
.pw-card.active {
  border-color: var(--pw-primary);
  background: var(--pw-primary-soft);
}
.pw-thumb {
  width: 44px;
  height: 44px;
  border-radius: var(--pw-radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--pw-surface-soft);
  border: 1px solid var(--pw-border-soft);
}
.pw-thumb-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--pw-font-serif);
  font-weight: 700;
  color: var(--pw-muted);
  font-size: 13px;
  text-transform: uppercase;
  background: var(--pw-surface-soft);
}
.pw-card-body { min-width: 0; flex: 1; }
.pw-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.pw-name { font-family: var(--pw-font-serif); font-weight: 600; color: var(--pw-ink); }
.pw-cat {
  font-size: 11px;
  color: var(--pw-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.pw-tagline {
  font-size: 12px;
  color: var(--pw-ink-soft);
  margin-top: 2px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.pw-empty {
  color: var(--pw-muted);
  text-align: center;
  padding: 24px 12px;
  font-size: 12.5px;
}

/* ── Detail monograph ─────────────────────────────────────────────────────── */

.pw-detail {
  max-width: 960px;
  margin: 0 auto;
  padding: 36px 36px 60px;
}
@media (max-width: 720px) { .pw-detail { padding: 24px 18px 40px; } }

.pw-crumb {
  font-size: 12px;
  color: var(--pw-muted);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.pw-crumb a { color: var(--pw-muted); }
.pw-crumb a:hover { color: var(--pw-primary); }

.pw-monograph-head {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px;
  align-items: start;
  padding-bottom: 28px;
  border-bottom: 2px solid var(--pw-border);
  margin-bottom: 32px;
}
@media (max-width: 620px) {
  .pw-monograph-head { grid-template-columns: 1fr; }
  .pw-hero-img { width: 100%; height: auto; max-height: 240px; }
}
.pw-hero-img {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: var(--pw-radius);
  background: var(--pw-surface);
  border: 1px solid var(--pw-border);
  box-shadow: var(--pw-shadow-sm);
}
.pw-hero-img.pw-thumb-fallback {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--pw-font-serif);
  font-size: 54px;
  font-weight: 500;
  color: var(--pw-muted);
  background: linear-gradient(135deg, var(--pw-primary-soft), var(--pw-teal-soft));
}
.pw-hero-body .pw-kicker {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pw-primary);
  font-weight: 600;
  margin-bottom: 8px;
  padding: 3px 10px;
  background: var(--pw-primary-soft);
  border-radius: 999px;
}
.pw-hero-body h1 {
  font-family: var(--pw-font-serif);
  font-size: 38px;
  font-weight: 500;
  color: var(--pw-ink);
  margin: 0 0 6px;
  letter-spacing: -0.015em;
  line-height: 1.18;
}
.pw-tagline-large {
  font-size: 16px;
  color: var(--pw-ink-soft);
  margin-bottom: 14px;
  font-family: var(--pw-font-serif);
  font-style: italic;
}
.pw-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  align-items: center;
}
.pw-meta .pw-formula {
  font-family: var(--pw-font-mono);
  font-size: 11px;
  background: var(--pw-surface-soft);
  padding: 3px 9px;
  border-radius: var(--pw-radius-sm);
  color: var(--pw-ink-soft);
  border: 1px solid var(--pw-border);
}
.pw-source {
  font-size: 12px;
  color: var(--pw-muted);
  border-bottom: 1px dotted var(--pw-muted);
  display: inline-flex;
  align-items: center;
  min-height: 24px;
}
.pw-source:hover { color: var(--pw-primary); border-color: var(--pw-primary); }

.pw-draft-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
  padding: 3px 8px;
  margin-left: 8px;
  border-radius: var(--pw-radius-sm);
  color: var(--pw-amber);
  background: var(--pw-amber-soft);
  border: 1px solid color-mix(in srgb, var(--pw-amber) 35%, transparent);
  vertical-align: middle;
}

/* Structure figure sidecar */
.pw-structure {
  margin: 18px 0 0;
  padding: 12px 14px;
  background: var(--pw-surface);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  max-width: 240px;
}
.pw-structure img {
  max-width: 220px;
  max-height: 180px;
  object-fit: contain;
  background: #fff;
  border-radius: var(--pw-radius-sm);
  padding: 4px;
}
.pw-structure figcaption {
  font-size: 11px;
  color: var(--pw-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Monograph layout: sticky TOC + flow content */
.pw-monograph-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 860px) { .pw-monograph-body { grid-template-columns: 1fr; } }

.pw-toc {
  position: sticky;
  top: 80px;
  padding: 14px 0;
  font-size: 13px;
  border-right: 1px solid var(--pw-border-soft);
  padding-right: 18px;
}
@media (max-width: 860px) {
  .pw-toc { position: static; border: 1px solid var(--pw-border); border-radius: var(--pw-radius); padding: 14px 18px; margin-bottom: 24px; }
}
.pw-toc-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--pw-muted);
  margin-bottom: 10px;
  font-weight: 600;
}
.pw-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  counter-reset: toc;
}
.pw-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 10px;
  border-radius: var(--pw-radius-sm);
  color: var(--pw-ink-soft);
  font-weight: 500;
  transition: background .12s, color .12s;
  counter-increment: toc;
}
.pw-toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--pw-font-mono);
  color: var(--pw-muted);
  font-size: 11px;
}
.pw-toc a:hover { background: var(--pw-surface-soft); color: var(--pw-primary); text-decoration: none; }
.pw-toc a.active { color: var(--pw-primary); background: var(--pw-primary-soft); }
.pw-toc a.active::before { color: var(--pw-primary); }

.pw-sections { display: flex; flex-direction: column; gap: 44px; }

.pw-section {
  scroll-margin-top: 72px;
}
.pw-section-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--pw-border);
}
.pw-section-num {
  font-family: var(--pw-font-mono);
  color: var(--pw-primary);
  font-size: 13px;
  letter-spacing: 0.05em;
}
.pw-section-header h2 {
  font-family: var(--pw-font-serif);
  font-size: 24px;
  font-weight: 500;
  margin: 0;
  color: var(--pw-ink);
}

.pw-prose p { margin: 0 0 12px; color: var(--pw-ink); }
.pw-prose p:last-child { margin-bottom: 0; }
.pw-bullets { margin: 8px 0; padding-left: 22px; }
.pw-bullets li { margin: 5px 0; color: var(--pw-ink); }
.pw-cautions li { color: var(--pw-danger); }

.pw-kv-list {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 10px 18px;
  margin: 14px 0;
  font-size: 14px;
  background: var(--pw-surface);
  padding: 16px 20px;
  border-radius: var(--pw-radius);
  border: 1px solid var(--pw-border);
}
.pw-kv-list dt {
  color: var(--pw-muted);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
  padding-top: 3px;
  font-weight: 600;
}
.pw-kv-list dd {
  margin: 0;
  color: var(--pw-ink);
}
@media (max-width: 520px) {
  .pw-kv-list { grid-template-columns: 1fr; gap: 2px 0; }
  .pw-kv-list dt { padding-top: 10px; }
  .pw-kv-list dt:first-of-type { padding-top: 0; }
}

.pw-missing {
  color: var(--pw-muted);
  font-style: italic;
  padding: 12px 0;
}

/* Callouts */
.pw-callout {
  display: flex;
  gap: 12px;
  padding: 14px 18px;
  background: var(--pw-amber-soft);
  border-left: 4px solid var(--pw-amber);
  border-radius: var(--pw-radius-sm);
  margin: 14px 0;
  font-size: 13.5px;
  color: var(--pw-ink);
}
.pw-callout.clinical { background: var(--pw-primary-soft); border-left-color: var(--pw-primary); }
.pw-callout .pw-callout-icon {
  font-size: 18px;
  flex-shrink: 0;
  line-height: 1;
}
.pw-callout b { display: block; margin-bottom: 3px; }

/* Gallery */
.pw-gallery {
  margin: 18px 0 0;
  padding: 18px;
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  background: var(--pw-surface);
}
.pw-gallery h3 {
  margin: 0 0 12px;
  font-family: var(--pw-font);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pw-muted);
  font-weight: 600;
}
.pw-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.pw-gallery-tile {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
  background: var(--pw-surface-soft);
  border: 1px solid var(--pw-border-soft);
  border-radius: var(--pw-radius-sm);
  text-decoration: none;
  color: var(--pw-ink-soft);
  transition: border-color .12s, transform .12s;
}
.pw-gallery-tile:hover { border-color: var(--pw-primary); transform: translateY(-1px); }
.pw-gallery-tile img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: var(--pw-radius-sm);
  background: #fff;
}
.pw-gallery-tile span { font-size: 11px; line-height: 1.3; color: var(--pw-muted); }

/* References */
.pw-references { list-style: none; padding: 0; margin: 0; counter-reset: ref; }
.pw-references li {
  position: relative;
  padding: 12px 0 12px 42px;
  border-bottom: 1px solid var(--pw-border-soft);
  font-size: 13.5px;
  color: var(--pw-ink);
  counter-increment: ref;
}
.pw-references li:last-child { border-bottom: none; }
.pw-references li::before {
  position: absolute;
  left: 0;
  top: 12px;
  content: counter(ref);
  font-family: var(--pw-font-mono);
  font-size: 12px;
  color: #fff;
  background: var(--pw-primary);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
.pw-references li a { color: var(--pw-ink); }
.pw-references li a:hover { color: var(--pw-primary); }
.pw-references .pw-ref-year {
  color: var(--pw-muted);
  font-size: 11.5px;
  margin-left: 8px;
  font-family: var(--pw-font-mono);
}

.pw-footer {
  margin-top: 36px;
  padding: 14px 18px;
  border-top: 1px solid var(--pw-border);
  color: var(--pw-muted);
  font-size: 11.5px;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  flex-wrap: wrap;
}
.pw-local { color: var(--pw-amber); }

.pw-detail-empty {
  padding: 80px 12px;
  text-align: center;
  color: var(--pw-muted);
  font-size: 14px;
  font-family: var(--pw-font-serif);
  font-style: italic;
}

/* ── Dose calculator + graphical syringe ──────────────────────────────────── */

.pw-calc {
  background: linear-gradient(180deg, var(--pw-surface) 0%, var(--pw-primary-soft) 140%);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius-lg);
  padding: 20px 22px 22px;
  margin: 8px 0 22px;
  box-shadow: var(--pw-shadow-sm);
}
.pw-calc-hd {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--pw-border-soft);
  padding-bottom: 10px;
}
.pw-calc-hd-title {
  font-family: var(--pw-font-serif);
  font-size: 16px;
  color: var(--pw-ink);
  font-weight: 500;
}
.pw-calc-hd-title::before {
  content: "🧪";
  margin-right: 6px;
  font-size: 14px;
}
.pw-calc-unit {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pw-primary);
  background: var(--pw-primary-soft);
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.pw-calc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}
@media (max-width: 520px) { .pw-calc-grid { grid-template-columns: 1fr; } }
.pw-calc-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: var(--pw-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.pw-in {
  width: 100%;
  padding: 8px 11px;
  background: var(--pw-surface);
  color: var(--pw-ink);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius-sm);
  outline: none;
  font-size: 14px;
  font-family: var(--pw-font-mono);
  transition: border-color .12s, box-shadow .12s;
}
.pw-in:focus {
  border-color: var(--pw-primary);
  box-shadow: 0 0 0 3px var(--pw-primary-soft);
}

.pw-calc-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 24px;
  border-radius: 3px;
  background: linear-gradient(var(--pw-border), var(--pw-border)) center/100% 6px no-repeat;
  outline: none;
  margin: 6px 0 14px;
  cursor: pointer;
}
.pw-calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--pw-primary);
  border: 3px solid #fff;
  box-shadow: var(--pw-shadow-sm);
  cursor: pointer;
}
.pw-calc-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--pw-primary);
  border: 3px solid #fff;
  box-shadow: var(--pw-shadow-sm);
  cursor: pointer;
}

.pw-calc-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.pw-calc-preset {
  padding: 4px 12px;
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  font-size: 11.5px;
  background: var(--pw-surface);
  color: var(--pw-primary);
  border: 1px solid var(--pw-primary);
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  transition: all .12s;
}
.pw-calc-preset:hover { background: var(--pw-primary); color: #fff; }

/* Graphical syringe block */
.pw-syringe-wrap {
  background: var(--pw-surface);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}
.pw-syringe-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pw-muted);
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.pw-syringe-label strong {
  font-family: var(--pw-font-serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--pw-primary);
  text-transform: none;
  letter-spacing: 0;
}
.pw-syringe-svg {
  width: 100%;
  max-width: 560px;
  height: auto;
  display: block;
  margin: 6px auto 0;
}

/* Syringe part colors (reference the SVG class names) */
.pw-syringe-body { fill: #fbfcfd; stroke: var(--pw-border); stroke-width: 1.4; }
.pw-syringe-flange { fill: #eef3f8; stroke: var(--pw-border); stroke-width: 1.2; }
.pw-syringe-needle { stroke: #8a99a9; stroke-width: 1.2; fill: #c2cbd5; }
.pw-syringe-tip { fill: #8a99a9; }
.pw-syringe-plunger-rod { fill: #e5ecf3; stroke: var(--pw-border); stroke-width: 1.2; }
.pw-syringe-plunger-head { fill: #4c7f9b; stroke: #315f76; stroke-width: 1.2; }
.pw-syringe-liquid { fill: var(--pw-primary); opacity: 0.82; transition: width 0.25s ease, x 0.25s ease; }
.pw-syringe-tick { stroke: var(--pw-ink-soft); stroke-width: 1; }
.pw-syringe-tick-major { stroke: var(--pw-ink); stroke-width: 1.4; }
.pw-syringe-tick-label {
  fill: var(--pw-ink-soft);
  font-family: var(--pw-font-mono);
  font-size: 9px;
}

.pw-calc-out {
  display: grid;
  /* auto-fit keeps the stat tiles from overflowing when the sections
     column is narrower than 4×130px (small tablets, narrow laptops). */
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.pw-calc-stat {
  background: var(--pw-surface);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
}
.pw-calc-stat span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--pw-muted);
  font-weight: 600;
}
.pw-calc-stat strong {
  font-family: var(--pw-font-serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--pw-primary);
  line-height: 1.2;
}
.pw-calc-stat small { font-size: 11px; color: var(--pw-muted); }

.pw-calc-note {
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--pw-amber-soft);
  border-left: 3px solid var(--pw-amber);
  color: var(--pw-ink);
  font-size: 12px;
  border-radius: var(--pw-radius-sm);
  font-style: italic;
}

/* ── Admin editor ─────────────────────────────────────────────────────────── */

.pw-editing .pw-monograph-head { grid-template-columns: 1fr; }
.pw-edit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
@media (max-width: 900px) { .pw-edit-grid { grid-template-columns: 1fr; } }
.pw-edit-grid fieldset {
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  padding: 14px 16px;
  background: var(--pw-surface);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pw-edit-grid legend {
  padding: 0 8px;
  color: var(--pw-primary);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}
.pw-edit-grid small { color: var(--pw-muted); font-size: 11.5px; margin-top: 4px; }
.pw-edit-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: var(--pw-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.pw-ta {
  width: 100%;
  background: var(--pw-surface);
  color: var(--pw-ink);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius-sm);
  padding: 8px 10px;
  outline: none;
  resize: vertical;
  font-family: var(--pw-font-mono);
  font-size: 12px;
  line-height: 1.55;
}
.pw-ta:focus, .pw-in:focus { border-color: var(--pw-primary); box-shadow: 0 0 0 3px var(--pw-primary-soft); }

.pw-edit-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--pw-border);
}
.pw-btn {
  padding: 9px 18px;
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius-sm);
  background: var(--pw-surface);
  color: var(--pw-ink);
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: all .12s;
}
.pw-btn:hover { border-color: var(--pw-primary); color: var(--pw-primary); }
.pw-btn-primary {
  background: var(--pw-primary);
  color: #fff;
  border-color: var(--pw-primary);
}
.pw-btn-primary:hover { background: var(--pw-primary-ink); color: #fff; border-color: var(--pw-primary-ink); }
.pw-hint {
  color: var(--pw-muted);
  font-size: 11.5px;
  margin-left: auto;
}
.pw-hint code {
  background: var(--pw-surface-soft);
  padding: 1px 6px;
  border-radius: 3px;
  font-family: var(--pw-font-mono);
  font-size: 11px;
}

/* ── Toast ─────────────────────────────────────────────────────────────────── */

.pw-toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--pw-ink);
  color: #fff;
  border-radius: var(--pw-radius);
  padding: 12px 18px;
  font-size: 13px;
  box-shadow: var(--pw-shadow-lg);
  transform: translateY(20px);
  opacity: 0;
  transition: transform .2s, opacity .2s;
  z-index: 50;
}
.pw-toast.show { transform: translateY(0); opacity: 1; }
.pw-toast.err { background: var(--pw-danger); }

.pw-landing-footer {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--pw-border);
  color: var(--pw-muted);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── Admin badge + maintainer credit ───────────────────────────── */
.pw-admin-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px 4px 4px;
  margin-left: 4px;
  background: var(--pw-primary-soft);
  border: 1px solid color-mix(in srgb, var(--pw-primary) 22%, transparent);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--pw-ink);
  line-height: 1.2;
}
.pw-admin-badge .pw-admin-name { font-weight: 600; line-height: 1.2; }
.pw-admin-badge .pw-admin-role {
  font-size: 11px;
  color: var(--pw-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  padding-left: 8px;
  border-left: 1px solid color-mix(in srgb, var(--pw-primary) 25%, transparent);
  line-height: 1.2;
}
.pw-admin-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pw-primary), var(--pw-teal));
  color: #fff;
  font-family: var(--pw-font-serif);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  box-shadow: var(--pw-shadow-sm);
  flex-shrink: 0;
}
.pw-admin-avatar-sm { width: 20px; height: 20px; font-size: 11px; }

/* Peer row — credit footer shows all admins equally, no overlap, no hierarchy. */
.pw-admin-peers {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.pw-admin-avatar-0 { background: linear-gradient(135deg, var(--pw-primary), var(--pw-teal)); }
.pw-admin-avatar-1 { background: linear-gradient(135deg, var(--pw-teal), var(--pw-amber)); }
.pw-admin-avatar-2 { background: linear-gradient(135deg, var(--pw-amber), #7b5dac); }
.pw-admin-avatar-3 { background: linear-gradient(135deg, #7b5dac, var(--pw-primary)); }

/* Sign-out button inside the signed-in badge. */
.pw-admin-signout {
  margin-left: 8px;
  padding: 4px 12px;
  min-height: 26px;
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--pw-primary) 30%, transparent);
  color: var(--pw-primary-ink);
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all .12s;
}
.pw-admin-signout:hover { background: var(--pw-primary); color: #fff; }
@media (max-width: 600px) {
  .pw-admin-signout { min-height: 32px; padding: 6px 14px; }
}

.pw-admin-credit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--pw-muted);
}
.pw-admin-credit strong { color: var(--pw-ink); font-weight: 600; }

/* Tighten below 720px so the editor topbar (logo + "Editor" + badge + 3-link
   nav) still fits without forcing horizontal overflow. */
@media (max-width: 720px) {
  .pw-admin-badge .pw-admin-role { display: none; }
  .pw-admin-badge { font-size: 12px; }
}

/* ── Sign-in card (admin.html gate) ─────────────────────────────── */
.pw-main-signin {
  grid-template-columns: 1fr;
  place-items: center;
  padding: 40px 20px 60px;
  min-height: calc(100vh - 120px);
}
.pw-signin-wrap {
  background: transparent !important;
  padding: 0 !important;
}
.pw-signin {
  width: 100%;
  max-width: 460px;
  background: var(--pw-surface);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius-lg);
  box-shadow: var(--pw-shadow);
  padding: 32px 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.pw-signin h2 {
  font-family: var(--pw-font-serif);
  font-size: 24px;
  font-weight: 500;
  margin: 0;
  color: var(--pw-ink);
  letter-spacing: -0.01em;
}
.pw-signin > p {
  margin: 0;
  color: var(--pw-ink-soft);
  font-size: 13.5px;
  line-height: 1.55;
}
.pw-signin-who {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pw-signin-opt {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  cursor: pointer;
  transition: border-color .12s, background .12s;
  background: var(--pw-surface);
}
.pw-signin-opt:hover { border-color: var(--pw-primary); }
.pw-signin-opt input[type="radio"] {
  accent-color: var(--pw-primary);
  width: 16px;
  height: 16px;
  margin: 0;
  flex-shrink: 0;
}
.pw-signin-opt:has(input:checked) {
  border-color: var(--pw-primary);
  background: var(--pw-primary-soft);
}
.pw-signin-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.pw-signin-meta strong {
  font-family: var(--pw-font-serif);
  font-size: 16px;
  color: var(--pw-ink);
  font-weight: 500;
}
.pw-signin-meta small {
  font-size: 12px;
  color: var(--pw-muted);
  font-family: var(--pw-font-mono);
}
.pw-signin-pw {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11.5px;
  color: var(--pw-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.pw-signin-pw input {
  padding: 10px 12px;
  background: var(--pw-surface);
  color: var(--pw-ink);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius-sm);
  outline: none;
  font-size: 14px;
  font-family: var(--pw-font-mono);
  letter-spacing: 0.05em;
  text-transform: none;
  font-weight: 400;
}
.pw-signin-pw input:focus {
  border-color: var(--pw-primary);
  box-shadow: 0 0 0 3px var(--pw-primary-soft);
}
.pw-signin-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.pw-signin-actions .pw-btn { min-width: 120px; }
.pw-signin-err {
  color: var(--pw-danger);
  font-size: 12.5px;
  opacity: 0;
  transition: opacity .12s;
}
.pw-signin-err.show { opacity: 1; }
.pw-signin-hint {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--pw-border-soft);
  color: var(--pw-muted);
  font-size: 11.5px;
}
.pw-signin-hint code {
  background: var(--pw-surface-soft);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--pw-font-mono);
  font-size: 11px;
}

/* Mobile hero/layout overrides belong at the end of the file so the cascade
   wins over the base `.pw-landing`, `.pw-hero`, `.pw-hero h2`, and `.pw-hero p`
   rules above. */
@media (max-width: 600px) {
  .pw-landing { padding: 12px 14px 40px; }
  .pw-hero { padding: 40px 18px 36px; }
  .pw-source { min-height: 32px; }
  .pw-calc-slider { height: 32px; }
  .pw-calc-slider::-webkit-slider-thumb { width: 28px; height: 28px; }
  .pw-calc-slider::-moz-range-thumb { width: 28px; height: 28px; }
  .pw-calc-preset { min-height: 32px; padding: 7px 14px; }
}
@media (max-width: 400px) {
  .pw-landing { padding: 10px 10px 36px; }
  .pw-hero { padding: 32px 12px 26px; }
  .pw-hero h2 { font-size: 26px; }
  .pw-hero p {
    font-size: 15px;
    margin-bottom: 26px;
    max-width: 100%;
  }
  .pw-hero-stats { font-size: 12px; gap: 10px 22px; }
  .pw-section-title { font-size: 19px; margin-top: 36px; }
}