/* ── BioPeptidyne · Peptide Encyclopedia — Light Theme ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:        #1a1f2e;
  --ink-2:      #4a4a4a;
  --ink-3:      #5c6577;
  --ink-4:      #8a93a5;
  --bg:         #FAFAFA;
  --bg-card:    #ffffff;
  --bg-subtle:  #f4f1ea;
  --border:     #ebe6dc;
  --accent:     #3b6ea5;
  --amber:      #d4a373;
  --green:      #5b8a5b;
  --red:        #d4534f;
  --purple:     #7c3aed;
  --amber-dim:  rgba(212,163,115,.13);
  --green-dim:  rgba(91,138,91,.11);
  --purple-dim: rgba(124,58,237,.09);
  --accent-dim: rgba(59,110,165,.10);
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--ink-2); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }

/* ── RUO Banner ── */
.ruo-bar {
  background: var(--ink);
  color: rgba(255,255,255,.7);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.8px;
  padding: 9px 32px; text-align: center;
}
.ruo-bar .warn { color: #fbbf24; }

/* ── Header (mirrors main site exactly) ── */
header {
  background: transparent;
  backdrop-filter: none; -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  padding: 15px 32px;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 100;
  transition: background .4s, backdrop-filter .4s, -webkit-backdrop-filter .4s, border-color .4s;
}
header.scrolled {
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,.05);
}

.logo { display: flex; align-items: center; gap: 9px; text-decoration: none; }
.logo-icon {
  width: 26px; height: 26px; border-radius: 7px;
  background: linear-gradient(135deg, #3b6ea5, #d4a373);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 13px; font-weight: 800;
}
.logo-name { font-family: 'Instrument Serif', serif; font-style: italic; font-size: 22px; color: var(--ink); }

nav { display: flex; gap: 22px; font-size: 14px; }
nav a { color: var(--ink-3); font-weight: 500; }
nav a:hover { color: var(--ink); }
nav a.active { color: var(--accent); font-weight: 600; }
nav a.warn { color: var(--amber); }

.header-right { display: flex; align-items: center; gap: 14px; }

.lang-toggle { display: inline-flex; background: var(--bg-subtle); border-radius: 999px; padding: 3px; border: 1px solid var(--border); }
.lang-btn {
  padding: 4px 12px; border-radius: 999px; border: none;
  background: transparent; color: var(--ink-3);
  font-weight: 600; font-size: 11px; font-family: 'JetBrains Mono', monospace;
  cursor: pointer; display: inline-block;
  transition: background .15s, color .15s;
}
.lang-btn.active { background: var(--ink); color: white; }
a.lang-btn:hover { background: var(--border); color: var(--ink); }

.icon-btn {
  position: relative; cursor: pointer;
  padding: 6px; border-radius: 50%;
  transition: background .15s;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-3); text-decoration: none;
}
.icon-btn:hover { background: var(--bg-subtle); color: var(--ink); }

.btn-dark {
  background: var(--ink); color: white; border: none;
  padding: 9px 18px; font-size: 13px; font-weight: 600; border-radius: 4px;
  cursor: pointer; text-decoration: none; display: inline-block;
  transition: opacity .2s;
}
.btn-dark:hover { opacity: .85; }

.hamburger {
  display: none; flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 36px; height: 36px; background: none; border: none; padding: 0;
}
.hamburger span { display: block; width: 20px; height: 2px; background: var(--ink-3); border-radius: 2px; }

/* ── Page wrap ── */
.lib-page-wrap { max-width: 1100px; margin: 0 auto; padding: 0 32px; }

/* ── Hero — dark, like catalog header ── */
.lib-hero {
  background: var(--ink);
  padding: 60px 0 48px;
  position: relative; overflow: hidden;
}
.lib-hero::before {
  content: ''; position: absolute; top: -80px; right: -100px;
  width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(212,163,115,.12), transparent 65%);
  pointer-events: none;
}
.lib-hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.lib-hero-eyebrow::before { content: ''; display: inline-block; width: 18px; height: 1px; background: var(--amber); }
.lib-hero-title {
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 700; color: white;
  line-height: 1.1; letter-spacing: -.03em; margin-bottom: 16px;
}
.lib-hero-title em { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; color: var(--amber); }
.lib-hero-sub { font-size: 16px; color: rgba(255,255,255,.55); max-width: 580px; line-height: 1.7; margin-bottom: 36px; }
.lib-hero-stats {
  display: flex; gap: 40px; flex-wrap: wrap;
  padding-top: 28px; border-top: 1px solid rgba(255,255,255,.1);
}
.lib-stat { display: flex; flex-direction: column; gap: 3px; }
.lib-stat-num { font-family: 'JetBrains Mono', monospace; font-size: 26px; font-weight: 700; color: white; letter-spacing: -.02em; }
.lib-stat-label { font-size: 11px; color: rgba(255,255,255,.45); letter-spacing: .04em; }

/* ── Search input ── */
.lib-search-row { max-width: 1100px; margin: 0 auto; padding: 14px 32px 0; }
.lib-search-input {
  width: 100%; box-sizing: border-box;
  font-size: 13px; font-family: 'JetBrains Mono', monospace;
  padding: 9px 14px 9px 36px; border-radius: 8px;
  border: 1px solid var(--border); background: white;
  color: var(--ink); outline: none; transition: border-color .15s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: 12px center;
}
.lib-search-input:focus { border-color: var(--accent); }
.lib-search-input::placeholder { color: var(--ink-4); }

/* ── Filter bar — sticky, light (like catalog filter) ── */
.lib-filter-wrap {
  position: sticky; top: 57px; z-index: 50;
  background: rgba(250,250,250,.97);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.lib-filter-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 14px 32px;
  display: flex; gap: 8px; overflow-x: auto;
  scrollbar-width: none; -ms-overflow-style: none;
}
.lib-filter-inner::-webkit-scrollbar { display: none; }

.filter-chip {
  flex-shrink: 0; white-space: nowrap;
  font-size: 12.5px; font-weight: 600; font-family: 'JetBrains Mono', monospace;
  padding: 7px 18px; border-radius: 999px;
  border: 1.5px solid var(--border); background: white; color: var(--ink-3);
  cursor: pointer; transition: all .15s;
}
.filter-chip:hover { border-color: var(--ink); color: var(--ink); }
.filter-chip.active { background: var(--ink); color: white; border-color: var(--ink); font-weight: 700; }

/* ── Grid ── */
.lib-grid-wrap { padding: 36px 0 80px; }
.lib-grid-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--ink-4); letter-spacing: .06em;
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.lib-grid-meta::after { content: ''; flex: 1; height: 1px; background: var(--border); }

.lib-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* ── Compound cards — white, like main site product cards ── */
.compound-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px; padding: 20px;
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.compound-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(15,22,41,.09);
  border-color: rgba(59,110,165,.35);
}

.compound-card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; }

.cat-badge {
  font-size: 10px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; font-family: 'JetBrains Mono', monospace;
  padding: 3px 10px; border-radius: 999px;
}
.badge-metabolic { background: var(--amber-dim); color: #8a5c1b; }
.badge-repair    { background: var(--green-dim);  color: #2d6b2d; }
.badge-cognitive { background: var(--purple-dim); color: #6d28d9; }
.badge-longevity { background: var(--accent-dim); color: var(--accent); }
.badge-aesthetic { background: rgba(219,39,119,.10); color: #9d174d; }

.compound-mw { font-size: 11px; font-family: 'JetBrains Mono', monospace; color: var(--ink-4); }
.compound-name { font-family: 'JetBrains Mono', monospace; font-size: 19px; font-weight: 700; color: var(--ink); margin-bottom: 3px; letter-spacing: -.02em; }
.compound-alias { font-size: 12px; color: var(--ink-4); font-family: 'JetBrains Mono', monospace; margin-bottom: 12px; }
.compound-desc { font-size: 14.5px; color: var(--ink-3); line-height: 1.65; flex: 1; margin-bottom: 16px; }
.compound-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 14px; border-top: 1px solid var(--border); margin-top: auto;
}
.compound-stab { font-size: 10px; font-family: 'JetBrains Mono', monospace; display: flex; align-items: center; gap: 5px; color: var(--ink-4); }
.stab-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.stab-dot-high { background: var(--green); }
.stab-dot-mod  { background: var(--amber); }
.stab-dot-low  { background: var(--red); }
.stab-dot-sm   { background: var(--accent); }

.compound-cta { font-size: 13px; font-weight: 600; font-family: 'JetBrains Mono', monospace; color: var(--accent); display: flex; align-items: center; gap: 4px; transition: gap .15s; }
.compound-card:hover .compound-cta { gap: 8px; }

.lib-empty { text-align: center; padding: 64px 24px; grid-column: 1/-1; color: var(--ink-4); font-family: 'JetBrains Mono', monospace; font-size: 13px; }

/* ── Related articles ── */
.articles-band { padding: 52px 0; border-top: 1px solid var(--border); }
.articles-band-title { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-4); margin-bottom: 20px; }
.articles-row { display: flex; gap: 14px; flex-wrap: wrap; }
.article-pill {
  display: flex; align-items: center; gap: 12px;
  background: white; border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 18px;
  color: var(--ink-2); font-size: 13.5px;
  transition: border-color .15s, transform .15s; max-width: 340px;
}
.article-pill:hover { border-color: var(--accent); transform: translateY(-2px); }
.article-pill-icon { font-size: 20px; flex-shrink: 0; }
.article-pill-label { font-size: 11.5px; color: var(--ink-4); margin-top: 2px; font-family: 'JetBrains Mono', monospace; }

/* ── Calculator CTA strip — dark ── */
.calc-cta-strip { background: var(--ink); padding: 56px 32px; }
.calc-cta-inner { max-width: 900px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.calc-cta-eyebrow { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--green); margin-bottom: 8px; }
.calc-cta-title { font-size: 22px; font-weight: 700; color: white; margin-bottom: 6px; }
.calc-cta-sub { font-size: 14px; color: rgba(255,255,255,.55); }
.btn-calc {
  flex-shrink: 0;
  background: var(--accent); color: white; border: none;
  padding: 13px 28px; font-size: 14px; font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  border-radius: 4px; cursor: pointer;
  display: inline-block; transition: opacity .15s;
}
.btn-calc:hover { opacity: .85; }

/* ── Footer — mirrors main site ── */
footer.site-footer { background: #0a1220; color: rgba(255,255,255,.6); padding: 0 32px 28px; }

.footer-support-wrap {
  max-width: 1100px; margin: 0 auto;
  padding: 44px 0 40px; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 40px;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 48px;
}
.footer-support-text { flex: 1; }
.footer-support-eyebrow { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--amber); letter-spacing: 1.5px; font-weight: 700; margin-bottom: 10px; }
.footer-support-title { font-family: 'Instrument Serif', serif; font-style: italic; font-size: 26px; color: white; line-height: 1.2; margin-bottom: 10px; }
.footer-support-title em { color: var(--amber); font-style: italic; }
.footer-support-body { font-size: 13.5px; color: rgba(255,255,255,.5); max-width: 360px; line-height: 1.65; }
.footer-support-channels { display: flex; flex-direction: column; gap: 7px; min-width: 270px; }
.footer-channel {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: 10px;
  border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.03);
  transition: background .15s, border-color .15s;
}
.footer-channel:hover { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.18); }
.footer-channel-label { font-size: 12px; font-weight: 700; color: white; width: 72px; flex-shrink: 0; }
.footer-channel-val { font-size: 11.5px; font-family: 'JetBrains Mono', monospace; color: rgba(255,255,255,.55); flex: 1; }
.footer-channel-sub { font-size: 10px; color: rgba(255,255,255,.3); white-space: nowrap; }

.footer-grid { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 32px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 9px; margin-bottom: 14px; }
.footer-brand .logo-name { color: white; font-size: 22px; }
.footer-tagline { font-size: 13px; color: rgba(255,255,255,.5); line-height: 1.65; max-width: 300px; }
.footer-col-h { font-size: 11px; color: rgba(255,255,255,.4); font-family: 'JetBrains Mono', monospace; letter-spacing: 1.2px; margin-bottom: 14px; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,.65); font-size: 13.5px; transition: color .15s; }
.footer-col a:hover { color: white; }

.footer-bottom {
  max-width: 1100px; margin: 0 auto;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 12px;
  font-size: 11.5px; color: rgba(255,255,255,.4); font-family: 'JetBrains Mono', monospace;
}
.footer-dmca-row { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; max-width: 380px; }
.footer-dmca-badge { display: inline-flex; align-items: center; gap: 5px; background: rgba(59,110,165,.15); border: 1px solid rgba(59,110,165,.3); border-radius: 4px; padding: 3px 8px; }
.dmca-shield { font-size: 10px; color: var(--accent); }
.dmca-label { font-family: 'JetBrains Mono', monospace; font-size: 9px; font-weight: 700; letter-spacing: .1em; color: #5a8dbf; }
.footer-ip-notice { font-size: 9px; color: rgba(255,255,255,.25); line-height: 1.5; text-align: right; }

/* ─── MONOGRAPH PAGE ─────────────────────────────── */
.mono-hero { background: var(--ink); border-bottom: 1px solid rgba(255,255,255,.08); padding: 52px 0 40px; }
.mono-breadcrumb { display: flex; align-items: center; gap: 6px; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: rgba(255,255,255,.45); margin-bottom: 20px; }
.mono-breadcrumb a { color: rgba(255,255,255,.45); }
.mono-breadcrumb a:hover { color: rgba(255,255,255,.8); }
.mono-breadcrumb-sep { color: rgba(255,255,255,.2); }
.mono-cat-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.mono-cat-badge { font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-family: 'JetBrains Mono', monospace; padding: 3px 9px; border-radius: 4px; }
.mono-compound-id { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: rgba(255,255,255,.4); }
.mono-title { font-family: 'JetBrains Mono', monospace; font-size: clamp(24px, 4vw, 40px); font-weight: 700; color: white; letter-spacing: -.03em; margin-bottom: 8px; }
.mono-subtitle { font-size: 15px; color: rgba(255,255,255,.55); margin-bottom: 24px; max-width: 680px; line-height: 1.6; }
.mono-data-row { display: flex; gap: 24px; flex-wrap: wrap; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }
.mono-datum { display: flex; flex-direction: column; gap: 3px; }
.mono-datum-label { font-size: 10px; font-family: 'JetBrains Mono', monospace; color: rgba(255,255,255,.4); letter-spacing: .06em; text-transform: uppercase; }
.mono-datum-val { font-size: 14px; font-family: 'JetBrains Mono', monospace; color: rgba(255,255,255,.8); font-weight: 600; }

.mono-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; padding: 44px 0 80px; }
.mono-sidebar { position: sticky; top: 80px; }

.mono-section { margin-bottom: 48px; }
.mono-section-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-4); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.mono-section-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.mono-section h2 { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 14px; letter-spacing: -.02em; }
.mono-section p { font-size: 14px; line-height: 1.75; color: var(--ink-3); margin-bottom: 12px; }
.mono-section p:last-child { margin-bottom: 0; }

.yt-wrap { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 10px; border: 1px solid var(--border); background: var(--bg-subtle); }
.yt-wrap iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }
.yt-placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: var(--ink-4); font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: .04em; }
.yt-placeholder-icon { width: 52px; height: 52px; border-radius: 50%; background: white; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--ink-3); }
.yt-bpd-badge { position: absolute; top: 12px; left: 12px; z-index: 2; background: rgba(255,255,255,.9); border: 1px solid var(--border); border-radius: 5px; padding: 4px 10px; font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-3); display: flex; align-items: center; gap: 6px; }
.yt-bpd-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); }
.yt-caption { font-size: 12px; color: var(--ink-4); margin-top: 10px; font-family: 'JetBrains Mono', monospace; display: flex; align-items: center; gap: 6px; }

.moa-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 16px; }
.moa-card { background: white; border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.moa-card-num { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--accent); font-weight: 700; margin-bottom: 6px; }
.moa-card-title { font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.moa-card-body { font-size: 12px; color: var(--ink-3); line-height: 1.6; }

.dose-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 14px; }
.dose-table th { text-align: left; padding: 8px 12px; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-4); border-bottom: 1px solid var(--border); background: var(--bg-subtle); }
.dose-table td { padding: 10px 12px; color: var(--ink-3); border-bottom: 1px solid var(--border); vertical-align: top; }
.dose-table td:first-child { color: var(--ink-2); font-weight: 600; }
.dose-table tr:last-child td { border-bottom: none; }
.dose-table tr:hover td { background: var(--bg-subtle); }
.dose-note { font-size: 11px; color: var(--ink-4); margin-top: 10px; font-family: 'JetBrains Mono', monospace; line-height: 1.6; }

.citation-list { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.citation-item { background: var(--bg-subtle); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; display: flex; gap: 14px; }
.cite-num { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--accent); font-weight: 700; flex-shrink: 0; padding-top: 1px; }
.cite-authors { font-size: 12px; color: var(--ink-3); margin-bottom: 4px; }
.cite-title { font-size: 13px; color: var(--ink-2); font-weight: 500; margin-bottom: 4px; line-height: 1.45; }
.cite-journal { font-size: 11px; color: var(--ink-4); font-family: 'JetBrains Mono', monospace; }
.cite-link { font-size: 11px; color: var(--accent); margin-left: 8px; font-family: 'JetBrains Mono', monospace; }

.sidebar-card { background: white; border: 1px solid var(--border); border-radius: 10px; padding: 18px; margin-bottom: 14px; }
.sidebar-card-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-4); margin-bottom: 14px; display: flex; align-items: center; gap: 6px; }
.sidebar-card-label .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--green); flex-shrink: 0; }

.stab-bars { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.stab-bar-row { display: flex; align-items: center; gap: 10px; }
.stab-bar-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-4); width: 52px; flex-shrink: 0; }
.stab-bar-track { flex: 1; height: 5px; background: var(--border); border-radius: 3px; overflow: hidden; }
.stab-bar-fill { height: 100%; border-radius: 3px; transition: width .6s ease; }
.stab-bar-val { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-3); width: 44px; text-align: right; flex-shrink: 0; }

.stab-half-lives { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.stab-hl-item { background: var(--bg-subtle); border-radius: 6px; padding: 10px 12px; }
.stab-hl-label { font-size: 10px; font-family: 'JetBrains Mono', monospace; color: var(--ink-4); margin-bottom: 4px; }
.stab-hl-val { font-size: 16px; font-family: 'JetBrains Mono', monospace; font-weight: 700; color: var(--ink); }
.stab-hl-unit { font-size: 10px; color: var(--ink-4); margin-left: 2px; }

.stab-calc-link { display: flex; align-items: center; justify-content: center; gap: 6px; background: rgba(91,138,91,.08); border: 1px solid rgba(91,138,91,.2); color: var(--green); border-radius: 6px; padding: 9px 14px; font-size: 12px; font-weight: 600; font-family: 'JetBrains Mono', monospace; transition: background .15s; }
.stab-calc-link:hover { background: rgba(91,138,91,.14); }

.compound-data { display: flex; flex-direction: column; }
.compound-data-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 12px; }
.compound-data-row:last-child { border-bottom: none; }
.compound-data-key { color: var(--ink-4); font-family: 'JetBrains Mono', monospace; font-size: 11px; }
.compound-data-val { color: var(--ink); font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 600; }

.sidebar-order-btn { display: flex; align-items: center; justify-content: center; gap: 8px; background: var(--accent); color: white; border-radius: 8px; padding: 12px 20px; width: 100%; font-size: 14px; font-weight: 700; margin-bottom: 8px; transition: opacity .15s; }
.sidebar-order-btn:hover { opacity: .85; }
.sidebar-order-note { font-size: 11px; color: var(--ink-4); text-align: center; font-family: 'JetBrains Mono', monospace; line-height: 1.6; }

/* ── Dark-hero category badges (inside .mono-hero dark background) ── */
.mono-hero .badge-metabolic { background:rgba(212,163,115,.22); color:#f0c88a; border:1px solid rgba(212,163,115,.3); }
.mono-hero .badge-repair    { background:rgba(91,138,91,.22);   color:#7dc97d; border:1px solid rgba(91,138,91,.3);   }
.mono-hero .badge-cognitive { background:rgba(124,58,237,.22);  color:#c4a8ff; border:1px solid rgba(124,58,237,.3);  }
.mono-hero .badge-longevity { background:rgba(59,110,165,.22);  color:#7eb8f7; border:1px solid rgba(59,110,165,.3);  }
.mono-hero .badge-aesthetic { background:rgba(219,39,119,.22);  color:#f9a8d4; border:1px solid rgba(219,39,119,.3);  }

/* ── Expert / Creator Cards — Bright Scientific Style ── */
.creator-grid { display:flex; flex-direction:column; gap:24px; margin-top:16px; }

/* Wrapper for one complete creator block */
.creator-entry {
  background:white; border:1px solid var(--border); border-radius:12px;
  overflow:hidden;
  transition:border-color .15s, box-shadow .15s;
}
.creator-entry:hover { border-color:rgba(59,110,165,.35); box-shadow:0 6px 24px rgba(59,110,165,.08); }

/* Profile header row */
.creator-header {
  display:flex; align-items:flex-start; gap:14px;
  padding:18px 20px 14px;
  border-bottom:1px solid var(--border);
}
.creator-avatar {
  width:46px; height:46px; border-radius:50%; flex-shrink:0;
  background:var(--accent-dim); border:1px solid rgba(59,110,165,.2);
  display:flex; align-items:center; justify-content:center;
  font-family:'JetBrains Mono',monospace; font-size:14px; font-weight:700;
  color:var(--accent); text-decoration:none;
  transition:background .15s;
}
.creator-avatar:hover { background:rgba(59,110,165,.18); }
.creator-meta { flex:1; min-width:0; }
.creator-name { font-size:14px; font-weight:700; color:var(--ink); margin-bottom:3px; }
.creator-specialty { font-size:11px; font-family:'JetBrains Mono',monospace; color:var(--ink-4); margin-bottom:8px; line-height:1.4; }
.creator-channel-link { display:inline-flex; align-items:center; gap:6px; text-decoration:none; }
.creator-yt-badge {
  font-family:'JetBrains Mono',monospace; font-size:9px; font-weight:700; letter-spacing:.06em;
  color:var(--accent); background:var(--accent-dim); border:1px solid rgba(59,110,165,.2);
  border-radius:3px; padding:2px 7px;
}
.creator-channel-name { font-size:12px; font-family:'JetBrains Mono',monospace; color:var(--ink-4); }
.creator-ext-arrow { font-size:13px; color:var(--ink-4); transition:color .15s; }
.creator-channel-link:hover .creator-ext-arrow { color:var(--accent); }
.creator-channel-link:hover .creator-channel-name { color:var(--accent); }

/* ── YouTube Thumbnail Card — bright scientific ── */
.yt-thumb-card {
  display:flex; gap:0; text-decoration:none; color:inherit;
  border-bottom:1px solid var(--border);
  transition:background .15s;
}
.yt-thumb-card:hover { background:#f8fafd; }
.yt-thumb-img-wrap {
  position:relative; width:180px; flex-shrink:0;
  overflow:hidden; background:var(--bg-subtle);
}
.yt-thumb-img { width:100%; height:100%; object-fit:cover; display:block; }
.yt-thumb-play {
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background:rgba(0,0,0,.35); opacity:0; transition:opacity .15s;
}
.yt-thumb-card:hover .yt-thumb-play { opacity:1; }
.yt-thumb-info { flex:1; padding:14px 18px; display:flex; flex-direction:column; justify-content:center; gap:4px; }
.yt-thumb-channel-label { font-family:'JetBrains Mono',monospace; font-size:10px; font-weight:700; letter-spacing:.06em; color:var(--accent); text-transform:uppercase; }
.yt-thumb-title { font-size:13px; font-weight:600; color:var(--ink); line-height:1.4; }
.yt-thumb-cta { font-size:11px; font-family:'JetBrains Mono',monospace; color:var(--ink-4); margin-top:6px; transition:color .15s; }
.yt-thumb-card:hover .yt-thumb-cta { color:var(--accent); }

/* ── Expert Note Block — bright scientific academic style ── */
.expert-note-block {
  padding:18px 20px;
  background:#f6f9fd;
  border-left:3px solid var(--accent);
}
.expert-note-eyebrow {
  display:flex; align-items:center; gap:6px;
  font-family:'JetBrains Mono',monospace; font-size:9.5px; font-weight:700;
  letter-spacing:.08em; text-transform:uppercase; color:var(--accent);
  margin-bottom:10px;
}
.expert-note-text {
  font-size:13px; color:var(--ink-3); line-height:1.8;
  margin:0;
}

/* ── Related Research Articles inside monograph ── */
.mono-articles-row { display:flex; flex-direction:column; gap:10px; margin-top:16px; }
.mono-article-pill {
  display:flex; align-items:center; gap:14px;
  background:white; border:1px solid var(--border); border-radius:10px;
  padding:14px 18px; text-decoration:none; color:inherit;
  transition:border-color .15s, transform .12s;
}
.mono-article-pill:hover { border-color:var(--accent); transform:translateX(3px); }
.mono-article-pill-icon { font-size:22px; flex-shrink:0; }
.mono-article-pill-title { font-size:14px; font-weight:600; color:var(--ink); margin-bottom:3px; }
.mono-article-pill-tag { font-size:11px; font-family:'JetBrains Mono',monospace; color:var(--ink-4); }

/* ── Coming Soon page ── */
.soon-wrap { padding:60px 0 80px; }
.soon-card {
  max-width:600px; margin:0 auto;
  background:white; border:1px solid var(--border); border-radius:16px;
  padding:48px 40px; text-align:center;
}
.soon-icon { width:64px; height:64px; border-radius:50%; background:var(--bg-subtle); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; color:var(--ink-4); margin:0 auto 20px; }
.soon-eyebrow { font-family:'JetBrains Mono',monospace; font-size:10px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-4); margin-bottom:10px; }
.soon-title { font-size:22px; font-weight:700; color:var(--ink); letter-spacing:-.02em; margin-bottom:14px; line-height:1.3; }
.soon-desc { font-size:14px; color:var(--ink-3); line-height:1.7; margin-bottom:28px; }
.soon-actions { display:flex; gap:10px; justify-content:center; flex-wrap:wrap; }
.soon-btn-primary { background:var(--ink); color:white; padding:10px 20px; border-radius:4px; font-size:13px; font-weight:600; font-family:'JetBrains Mono',monospace; transition:opacity .15s; }
.soon-btn-primary:hover { opacity:.85; }
.soon-btn-secondary { background:white; color:var(--accent); border:1.5px solid var(--accent); padding:10px 20px; border-radius:4px; font-size:13px; font-weight:600; font-family:'JetBrains Mono',monospace; transition:background .15s; }
.soon-btn-secondary:hover { background:var(--accent-dim); }

/* ── Monograph back bar ── */
/* ── Catalog CTA Banner ── */
.mono-catalog-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: var(--accent); border-radius: 12px; padding: 24px 28px; margin-top: 40px;
  flex-wrap: wrap;
}
.mono-catalog-cta-left { flex: 1; min-width: 0; }
.mono-catalog-cta-eyebrow {
  font-family: 'JetBrains Mono', monospace; font-size: 10px; font-weight: 700;
  color: rgba(255,255,255,.7); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px;
}
.mono-catalog-cta-title { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.mono-catalog-cta-sub { font-size: 12px; color: rgba(255,255,255,.75); }
.mono-catalog-cta-btn {
  background: #fff; color: var(--accent); font-size: 14px; font-weight: 700;
  padding: 12px 22px; border-radius: 8px; text-decoration: none; white-space: nowrap;
  transition: background .15s;
}
.mono-catalog-cta-btn:hover { background: #f0f4ff; }

.mono-back-bar { border-top:1px solid var(--border); background:var(--bg-card); padding:24px 32px; }
.mono-back-inner { max-width:1100px; margin:0 auto; display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.mono-back-link { font-family:'JetBrains Mono',monospace; font-size:13px; color:var(--ink-3); display:flex; align-items:center; gap:6px; transition:color .15s; }
.mono-back-link:hover { color:var(--accent); }
.mono-back-id { font-family:'JetBrains Mono',monospace; font-size:10px; color:var(--ink-4); letter-spacing:.06em; }

/* ── Responsive ── */
@media (max-width: 960px) {
  .lib-grid { grid-template-columns: repeat(2, 1fr); }
  .mono-layout { grid-template-columns: 1fr; }
  .mono-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  nav { display: none; }
  .hamburger { display: flex; }
  .footer-support-wrap { flex-direction: column; gap: 24px; }
  .footer-support-channels { min-width: unset; width: 100%; }
}
@media (max-width: 640px) {
  header { padding: 12px 16px; }
  .lib-page-wrap { padding: 0 16px; }
  .lib-hero { padding: 44px 0 36px; }
  .lib-hero-stats { gap: 24px; }
  .lib-search-row { padding: 12px 16px 0; }
  .lib-filter-inner { padding: 10px 16px; }
  .lib-grid { grid-template-columns: 1fr; }
  .lib-grid-wrap { padding: 24px 0 60px; }
  .calc-cta-strip { padding: 36px 16px; }
  .calc-cta-inner { flex-direction: column; text-align: center; }
  footer.site-footer { padding: 0 16px 20px; }
  .footer-support-wrap { padding: 32px 0 28px; margin-bottom: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .footer-dmca-row { align-items: flex-start; }
  .footer-ip-notice { text-align: left; }
  .moa-grid { grid-template-columns: 1fr; }
}