/* Public reference pages (drugs, interactions, diseases + A–Z indexes).
   Marketing look: dark app-like glass on the site's atmosphere, theme tokens only, phone first.
   Owner decision 2026-10-19: signed-out pages are a teaser + a locked-section card (.seo-locked). */

.seo-page { position: relative; z-index: 1; padding-block: clamp(1.25rem, 4vw, 3.5rem) clamp(2rem, 6vw, 4rem); }
.seo-page, .seo-page * { min-width: 0; }
.seo-page :where(h1, h2, p, li, dd, dt, a, span) { overflow-wrap: anywhere; }
@media (max-width: 40rem) { .seo-page.mh-container { padding-inline: 1rem; } }

/* Column */
.seo-article, .seo-page > .seo-hero, .seo-page > .seo-crumbs, .seo-page > .seo-letters,
.seo-page > .seo-index, .seo-page > .seo-pager, .seo-page > .seo-cta, .seo-page > .seo-card {
  width: min(100%, 56rem); margin-inline: auto;
}
.seo-article { display: grid; gap: clamp(.9rem, 2.2vw, 1.25rem); margin-block-start: 1rem; }
.seo-page > .seo-hero { margin-block-start: 1rem; }

.seo-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem .55rem; color: var(--mh-muted); font-size: .85rem; }
.seo-crumbs a { color: var(--mh-muted-strong); }
.seo-crumbs a:hover { color: var(--mh-accent-ink, var(--mh-accent)); }
.seo-crumbs [aria-current="page"] { color: var(--mh-text); font-weight: 600; }

/* Glass surfaces */
.seo-hero, .seo-card, .seo-cta, .seo-paywall {
  position: relative; border-radius: 1.5rem; border: 1px solid var(--mh-card-border);
  background: linear-gradient(160deg, color-mix(in srgb, var(--mh-card-highlight) 100%, transparent), color-mix(in srgb, var(--mh-surface) 86%, transparent));
  box-shadow: 0 18px 50px -28px rgba(0, 0, 0, .55);
  backdrop-filter: blur(16px) saturate(1.3); -webkit-backdrop-filter: blur(16px) saturate(1.3);
}
.seo-card { padding: clamp(1.05rem, 3vw, 1.6rem); }
.seo-card h2, .seo-cta h2, .seo-paywall h2 { font-size: clamp(1.05rem, 2.4vw, 1.25rem); font-weight: 700; line-height: 1.3; margin: 0 0 .7rem; color: var(--mh-text); }
.seo-card--warn { border-color: color-mix(in srgb, #e5484d 45%, var(--mh-card-border)); }

/* Hero */
.seo-hero { display: grid; gap: .8rem; padding: clamp(1.25rem, 4vw, 2.25rem); overflow: hidden; }
.seo-hero::before {
  content: ""; position: absolute; inset: -40% -20% auto auto; width: 70%; aspect-ratio: 1; pointer-events: none;
  background: radial-gradient(circle, color-mix(in srgb, var(--mh-accent) 18%, transparent), transparent 65%);
}
.seo-hero > * { position: relative; margin: 0; }
.seo-hero h1 { font-size: clamp(1.75rem, 5.5vw, 2.9rem); line-height: 1.1; font-weight: 800; letter-spacing: -.015em; color: var(--mh-text); }
[dir="rtl"] .seo-hero h1[dir="ltr"] { text-align: right; }
.seo-lead { font-size: clamp(1rem, 2.3vw, 1.12rem); line-height: 1.65; color: var(--mh-muted-strong); max-width: 46rem; }
.seo-lede { color: var(--mh-muted-strong); line-height: 1.7; }
.seo-hero__tool .mh-btn-primary { width: fit-content; }
.seo-disclaimer {
  padding: .7rem .9rem; border-radius: .9rem; font-size: .84rem; line-height: 1.55; color: var(--mh-muted-strong);
  background: color-mix(in srgb, var(--mh-accent) 7%, transparent); border: 1px solid color-mix(in srgb, var(--mh-accent) 18%, transparent);
}
.seo-notice { color: var(--mh-muted); font-size: .85rem; }
.seo-trust { display: flex; flex-wrap: wrap; gap: .3rem 1rem; font-size: .84rem; color: var(--mh-muted); }
.seo-trust a { color: var(--mh-accent-ink, var(--mh-accent)); }

/* Key facts */
.seo-facts { display: grid; gap: .85rem; margin: 0; }
.seo-facts > div { display: grid; grid-template-columns: 1fr; gap: .3rem; padding-block-end: .85rem; border-block-end: 1px solid var(--mh-card-border); }
.seo-facts > div:last-child { border-block-end: 0; padding-block-end: 0; }
.seo-facts dt { font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--mh-muted); }
[dir="rtl"] .seo-facts dt { letter-spacing: 0; text-transform: none; }
.seo-facts dd { margin: 0; line-height: 1.6; color: var(--mh-text); }
@media (min-width: 40rem) { .seo-facts > div { grid-template-columns: minmax(9rem, 12rem) 1fr; gap: 1rem; align-items: baseline; } }
.seo-count { display: inline-block; margin-inline-end: .5rem; font-size: 1.35rem; font-weight: 800; color: var(--mh-accent-ink, var(--mh-accent)); vertical-align: middle; }

.seo-inline { display: flex; flex-wrap: wrap; gap: .4rem .9rem; list-style: none; padding: 0; margin: 0; }
.seo-inline a { color: var(--mh-accent-ink, var(--mh-accent)); }
.seo-inline--chips { gap: .45rem; margin-block-start: .5rem; }
.seo-inline--chips > li > a, .seo-inline--chips > li > span, .seo-chip-more {
  display: inline-flex; align-items: center; min-height: 2rem; padding: .25rem .8rem; border-radius: 999px; font-size: .88rem;
  border: 1px solid var(--mh-card-border); background: color-mix(in srgb, var(--mh-text) 4%, transparent); color: var(--mh-text);
}
.seo-inline--chips > li > a { border-color: color-mix(in srgb, var(--mh-accent) 35%, var(--mh-card-border)); color: var(--mh-accent-ink, var(--mh-accent)); }
.seo-inline--chips > li > a:hover { background: color-mix(in srgb, var(--mh-accent) 12%, transparent); }
.seo-chip-more { color: var(--mh-muted-strong); border-style: dashed; }
.seo-glance .seo-body p { margin: 0; font-size: 1.02rem; line-height: 1.7; }

/* Body text */
.seo-body p { line-height: 1.75; margin: 0 0 .6rem; }
.seo-body p:last-child { margin-block-end: 0; }
.seo-list { padding-inline-start: 1.2rem; list-style: disc; display: grid; gap: .35rem; line-height: 1.6; margin: 0; }
.seo-links { display: grid; grid-template-columns: 1fr; gap: .5rem 1rem; list-style: none; padding: 0; margin: 0; }
@media (min-width: 40rem) { .seo-links { grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); } }
.seo-links a { color: var(--mh-accent-ink, var(--mh-accent)); }
.seo-links a:hover { text-decoration: underline; }
.seo-meta { margin: 0 0 .6rem; color: var(--mh-muted-strong); }

/* Severity */
.seo-sev { display: inline-flex; align-items: center; gap: .3rem; padding: .12rem .6rem; border-radius: 999px; font-size: .76rem; font-weight: 700; border: 1px solid currentColor; white-space: nowrap; }
.seo-sev--contraindicated, .seo-sev--major { color: #ff6b6f; background: rgba(229, 72, 77, .1); }
.seo-sev--moderate { color: #f5a524; background: rgba(245, 165, 36, .1); }
.seo-sev--minor { color: #3ccf91; background: rgba(60, 207, 145, .1); }
.seo-hero__badge .seo-sev { font-size: .85rem; padding: .3rem .85rem; }
[data-theme="light"] .seo-sev--contraindicated, [data-theme="light"] .seo-sev--major { color: #b91c1c; }
[data-theme="light"] .seo-sev--moderate { color: #b45309; }
[data-theme="light"] .seo-sev--minor { color: #15803d; }

/* Locked part */
.seo-locked { display: grid; gap: clamp(.9rem, 2.2vw, 1.25rem); }
.seo-paywall {
  display: grid; gap: 1rem; padding: clamp(1.25rem, 4vw, 2rem); overflow: hidden;
  border-color: color-mix(in srgb, var(--mh-accent) 38%, var(--mh-card-border));
  background:
    radial-gradient(120% 80% at 100% 0%, color-mix(in srgb, var(--mh-accent) 14%, transparent), transparent 60%),
    radial-gradient(90% 70% at 0% 100%, color-mix(in srgb, var(--mh-accent-secondary, var(--mh-accent)) 10%, transparent), transparent 60%),
    linear-gradient(160deg, var(--mh-card-highlight), color-mix(in srgb, var(--mh-surface) 90%, transparent));
}
.seo-paywall__head { display: flex; align-items: center; gap: .85rem; }
.seo-paywall__head h2 { margin: 0; }
.seo-paywall__icon {
  flex: none; display: grid; place-items: center; width: 2.9rem; height: 2.9rem; border-radius: 1rem; color: #04131f;
  background: linear-gradient(135deg, var(--mh-accent), var(--mh-accent-secondary, var(--mh-accent)));
  box-shadow: 0 10px 28px -10px color-mix(in srgb, var(--mh-accent) 70%, transparent);
}
.seo-paywall__badge { margin: 0 0 .15rem; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--mh-accent-ink, var(--mh-accent)); }
[dir="rtl"] .seo-paywall__badge { letter-spacing: 0; text-transform: none; }
.seo-paywall__lead { margin: 0; line-height: 1.65; color: var(--mh-muted-strong); }
.seo-locked-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; gap: .55rem; }
@media (min-width: 40rem) { .seo-locked-list { grid-template-columns: 1fr 1fr; } }
.seo-locked-list li {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: .35rem .75rem; padding: .75rem .9rem; border-radius: 1rem;
  border: 1px solid var(--mh-card-border); background: color-mix(in srgb, var(--mh-text) 3%, transparent);
}
.seo-locked-list__title { font-weight: 600; font-size: .94rem; line-height: 1.35; color: var(--mh-text); }
.seo-locked-list__lock { color: var(--mh-accent-ink, var(--mh-accent)); display: inline-flex; }
.seo-locked-list__ghost { grid-column: 1 / -1; display: grid; gap: .3rem; }
.seo-locked-list__ghost i { display: block; height: .42rem; border-radius: 999px; background: linear-gradient(90deg, color-mix(in srgb, var(--mh-text) 14%, transparent), color-mix(in srgb, var(--mh-text) 5%, transparent)); }
.seo-locked-list__ghost i:last-child { width: 62%; }
.seo-paywall__actions { display: flex; flex-wrap: wrap; gap: .65rem; }
.seo-paywall__actions > a { flex: 1 1 12rem; justify-content: center; text-align: center; }
.seo-paywall__note { margin: 0; font-size: .84rem; color: var(--mh-muted); }

/* FAQ, CTA, signed-in extras */
.seo-faq-item { padding-block: .6rem; border-block-end: 1px solid var(--mh-card-border); }
.seo-faq-item:last-child { border-block-end: 0; }
.seo-faq-item summary { cursor: pointer; font-weight: 600; }
.seo-faq-item p { margin-block-start: .5rem; }
.seo-checks { list-style: none; padding: 0; margin: .4rem 0 0; display: grid; gap: .35rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr)); }
.seo-checks li { position: relative; padding-inline-start: 1.5rem; line-height: 1.5; }
.seo-checks li::before { content: ""; position: absolute; inset-inline-start: .2rem; top: .45em; width: .7rem; height: .7rem; border-radius: .2rem; border: 2px solid var(--mh-accent); }
.seo-cta { padding: clamp(1.2rem, 3.5vw, 2rem); border-color: color-mix(in srgb, var(--mh-accent) 26%, var(--mh-card-border)); }
.seo-cta p { margin: 0; color: var(--mh-muted-strong); line-height: 1.6; }
.seo-cta__actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-block-start: 1rem; }
.seo-cta__actions > a { flex: 1 1 10rem; justify-content: center; }
@media (min-width: 40rem) { .seo-cta__actions > a { flex: 0 0 auto; } }
.seo-back { margin: .25rem 0 0; font-size: .9rem; }
.seo-back a { color: var(--mh-muted-strong); }
.seo-back a:hover { color: var(--mh-accent-ink, var(--mh-accent)); }

/* A–Z indexes */
.seo-letters { display: flex; flex-wrap: wrap; gap: .4rem; margin-block: 1.25rem; }
.seo-letters a { min-width: 2.3rem; min-height: 2.3rem; display: inline-grid; place-items: center; padding: .2rem .55rem; border: 1px solid var(--mh-card-border); border-radius: .75rem; background: color-mix(in srgb, var(--mh-text) 3%, transparent); }
.seo-letters a:hover { border-color: var(--mh-accent); color: var(--mh-accent-ink, var(--mh-accent)); }
.seo-letters a[aria-current="page"] { background: var(--mh-accent); border-color: var(--mh-accent); color: #04131f; font-weight: 700; }
.seo-index { padding: clamp(1rem, 3vw, 1.5rem); border-radius: 1.5rem; border: 1px solid var(--mh-card-border); background: linear-gradient(160deg, var(--mh-card-highlight), color-mix(in srgb, var(--mh-surface) 86%, transparent)); }
.seo-pager { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 1rem; margin-block: 1.5rem; }
.seo-pager a { color: var(--mh-accent-ink, var(--mh-accent)); }
/* Phone: the locked list stays compact (titles + lock, no placeholder bars). */
@media (max-width: 39.99rem) {
  .seo-locked-list { gap: .4rem; }
  .seo-locked-list li { padding: .6rem .8rem; border-radius: .85rem; }
  .seo-locked-list__ghost { display: none; }
}

/* ================================================================
   Signed-out redesign layer (DESIGN.md): pro.css tokens for the reference pages (pro.css is loaded for
   every visitor here). Calm document surfaces instead of glass, sentence-case labels, real store badges.
   ================================================================ */
.seo-page {
  --mh-text: var(--pr-ink);
  --mh-muted: var(--pr-ink-3);
  --mh-muted-strong: var(--pr-ink-2);
  --mh-accent: var(--pr-accent);
  --mh-accent-ink: var(--pr-link);
  --mh-card-border: var(--pr-line);
  padding-block: 32px var(--pr-section);
}
.seo-page .seo-hero, .seo-page .seo-card, .seo-page .seo-cta, .seo-page .seo-index {
  border-radius: 22px; border-color: var(--pr-line); background: var(--pr-raised); box-shadow: none;
  -webkit-backdrop-filter: none; backdrop-filter: none;
}
:root[data-theme="dark"] .seo-page :is(.seo-hero, .seo-card, .seo-cta, .seo-index) { background: color-mix(in srgb, var(--pr-raised) 86%, transparent); }
.seo-page .seo-hero { padding: 32px; gap: 14px; }
@media (max-width: 479px) { .seo-page .seo-hero { padding: 22px 18px; } }
.seo-page .seo-hero::before { display: none; }
.seo-page .seo-hero .mh-eyebrow { font-size: var(--pr-t-small); }
.seo-page .seo-hero h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.25rem); font-weight: 600; letter-spacing: -.03em; line-height: 1.08; }
:root[dir="rtl"] .seo-page .seo-hero h1 { letter-spacing: 0; line-height: 1.3; font-weight: 700; }
.seo-page .seo-card h2, .seo-page .seo-cta h2, .seo-page .seo-paywall h2 { font-size: 1.25rem; font-weight: 600; letter-spacing: -.01em; }
.seo-page .seo-facts dt { font-size: var(--pr-t-small); font-weight: 600; letter-spacing: 0; text-transform: none; color: var(--pr-ink-2); }
.seo-page .seo-disclaimer { border-radius: 12px; background: var(--pr-accent-soft); border-color: transparent; color: var(--pr-ink-2); }
.seo-page .seo-inline--chips > li > a, .seo-page .seo-inline--chips > li > span, .seo-page .seo-chip-more { border-radius: 10px; min-height: 36px; }
.seo-page .seo-sev { border-radius: 6px; font-weight: 600; }
.seo-page .seo-paywall {
  border-radius: 24px; border-color: var(--pr-line-2); box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none;
  background: radial-gradient(90% 70% at 100% 0%, rgba(0, 217, 255, .14), transparent 65%), var(--pr-bg-2);
}
.seo-page .seo-paywall__icon { border-radius: 14px; background: var(--pr-accent); color: var(--pr-on-accent); box-shadow: none; }
.seo-page .seo-paywall__badge { letter-spacing: 0; text-transform: none; font-size: var(--pr-t-caption); font-weight: 600; }
.seo-page .seo-locked-list li { border-radius: 14px; background: var(--pr-glass); }
.seo-page .seo-paywall__stores { display: grid; gap: 12px; padding-top: 16px; border-top: 1px solid var(--pr-line); }
.seo-page .seo-paywall__stores p { margin: 0; font-size: var(--pr-t-small); color: var(--pr-ink-2); }
.seo-page .seo-cta {
  padding: 36px; border-radius: 28px; border-color: var(--pr-line);
  background: radial-gradient(60% 90% at 100% 0%, rgba(0, 217, 255, .18), transparent 70%), radial-gradient(50% 80% at 0% 100%, rgba(33, 230, 193, .12), transparent 70%), var(--pr-raised);
}
.seo-page .seo-cta .hm-stores { margin-top: 20px; }
.seo-page .seo-letters a { border-radius: 10px; border-color: var(--pr-line); background: transparent; }
.seo-page .seo-letters a[aria-current="page"] { background: var(--pr-ink); border-color: var(--pr-ink); color: var(--pr-bg); }
.seo-page .seo-links a { color: var(--pr-link); }
@media (hover: hover) { .seo-page .seo-card, .seo-page .seo-paywall { transition: border-color .3s var(--pr-ease); } .seo-page .seo-card:hover { border-color: var(--pr-line-2); } }