/*
Theme Name: PeptideDosages Accessibility Stage
Description: Staging-only accessibility and front-end performance refactor for PeptideDosages.
Version: 2.0.0-stage
*/

/* ─────────────────────────────────────────────────────────────
   Sub-hub type switcher (segmented control)
   Used on the three sub-hub page templates. Real anchor links to
   sibling hubs; visually matches the tab buttons on /dosages/
   (red active pill, outlined inactive buttons).
   ──────────────────────────────────────────────────────────── */
.dosage-type-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0 0 26px;
}

.dosage-type-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 60px;
  padding: 12px 10px;
  background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  color: #4a5568;
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s ease;
}

.dosage-type-nav__item i {
  font-size: 1.2rem;
}

a.dosage-type-nav__item:hover {
  border-color: #3498db;
  color: #3498db;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.dosage-type-nav__item.is-active {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: #ffffff;
  border-color: #e74c3c;
  box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
  cursor: default;
}

@media (min-width: 640px) {
  .dosage-type-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
  }

  .dosage-type-nav__item {
    flex: 1;
    max-width: 200px;
    flex-direction: row;
    gap: 10px;
    font-size: 1rem;
    padding: 15px 20px;
  }
}

/* Shared, crawlable author/date metadata for article and protocol heroes. */
.pd-content-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
}

.page-hero .pd-content-meta {
  margin-top: 18px;
}

.pd-content-meta__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  min-width: 0;
  max-width: 100%;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  color: #ffffff;
  font-size: 0.9rem;
  line-height: 1.35;
  text-align: center;
  overflow-wrap: anywhere;
  transition: background-color 0.2s ease, transform 0.2s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.pd-content-meta__item i {
  flex: 0 0 auto;
  color: #ff5a4d;
}

.pd-content-meta__item time {
  font-variant-numeric: tabular-nums;
}

.pd-content-meta__item a {
  color: #ffffff !important;
  font-weight: 700;
  text-decoration: none !important;
}

a.pd-content-meta__item {
  color: #ffffff !important;
  font-weight: 700;
  text-decoration: none !important;
}

a.pd-content-meta__item:hover {
  background-color: rgba(255, 255, 255, 0.27);
  text-decoration: underline !important;
  text-underline-offset: 3px;
  transform: translateY(-1px);
}

a.pd-content-meta__item:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
}

.pd-content-meta__item a:hover {
  text-decoration: underline !important;
  text-underline-offset: 3px;
}

.pd-content-meta__item a:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
  border-radius: 4px;
}

.pd-content-meta__item--author {
  background: rgba(52, 152, 219, 0.22);
  border-color: rgba(52, 152, 219, 0.46);
}

.pd-content-meta__item--reviewer {
  background: rgba(155, 89, 182, 0.24);
  border-color: rgba(187, 143, 206, 0.5);
}

.pd-content-meta__item--read-time {
  background: rgba(231, 76, 60, 0.22);
  border-color: rgba(231, 76, 60, 0.42);
}

.pd-content-meta__item--category {
  background: rgba(46, 204, 113, 0.22);
  border-color: rgba(46, 204, 113, 0.42);
}

/* Nonduplicated evidence/review/corrections disclosure after useful content. */
.pd-editorial-transparency {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 10px;
  max-width: 920px;
  margin: 34px auto 0;
  padding: 13px 16px;
  background: #f8fbff;
  border: 1px solid #d9e7f3;
  border-radius: 9px;
  color: #4a5568;
  font-size: 0.86rem;
  line-height: 1.5;
  text-align: center;
}

.pd-editorial-transparency strong {
  color: #1f3347;
}

.pd-editorial-transparency a {
  color: #1f6fb2;
  font-weight: 700;
}

.pd-editorial-transparency a:focus-visible {
  outline: 3px solid #3498db;
  outline-offset: 3px;
  border-radius: 3px;
}

.pd-editorial-transparency__separator {
  color: #90a4b8;
}

@media (max-width: 767px) {
  .pd-content-meta {
    gap: 8px;
  }

  .page-hero .pd-content-meta {
    margin-top: 14px;
  }

  .pd-content-meta__item {
    min-height: 36px;
    padding: 7px 12px;
    font-size: 0.8rem;
  }
}

@media (max-width: 560px) {
  .pd-editorial-transparency {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
    padding: 12px 14px;
    text-align: left;
  }

  .pd-editorial-transparency__separator {
    display: none;
  }
}

/* Contextual internal links between research, protocol variants, and guides. */
.pd-inline-context {
  max-width: 750px;
  margin: 0 auto 26px !important;
  padding: 14px 16px;
  background: #f7fbff;
  border: 1px solid #d9e7f3;
  border-left: 4px solid #3498db;
  border-radius: 8px;
  color: #34495e !important;
  line-height: 1.65 !important;
}

.pd-inline-context a {
  font-weight: 700;
}

.pd-contextual-links {
  max-width: 100%;
  margin: 42px auto 12px;
  padding: 24px;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  border: 1px solid #d9e7f3;
  border-radius: 12px;
  box-shadow: 0 3px 14px rgba(31, 59, 87, 0.07);
}

.pd-contextual-links__title {
  margin: 0 0 7px !important;
  padding: 0 !important;
  border: 0 !important;
  color: #1f3347 !important;
  font-size: 1.3rem !important;
  font-weight: 700 !important;
  line-height: 1.35 !important;
}

.pd-contextual-links__title i {
  margin-right: 6px;
  color: #3498db;
}

.pd-contextual-links__intro {
  max-width: none !important;
  margin: 0 0 19px !important;
  color: #526579 !important;
  font-size: 0.98rem !important;
  line-height: 1.65 !important;
}

.pd-contextual-links__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
}

.pd-contextual-links__group {
  padding: 15px 16px;
  background: #ffffff;
  border: 1px solid #e2eaf1;
  border-radius: 9px;
}

.pd-contextual-links__label {
  max-width: none !important;
  margin: 0 0 9px !important;
  color: #1f3347 !important;
  font-size: 0.95rem !important;
  font-weight: 800 !important;
  line-height: 1.35 !important;
  text-transform: uppercase;
  letter-spacing: 0.035em;
}

.pd-contextual-links ul,
.post-content .pd-contextual-links ul,
.page-content .pd-contextual-links ul {
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
}

.pd-contextual-links li,
.post-content .pd-contextual-links li,
.page-content .pd-contextual-links li {
  margin: 0 !important;
  padding: 0 !important;
  font-size: 0.96rem !important;
  line-height: 1.45 !important;
}

.pd-contextual-links li + li {
  margin-top: 7px !important;
}

.pd-contextual-links li::before,
.post-content .pd-contextual-links li::before,
.page-content .pd-contextual-links li::before {
  content: none !important;
  display: none !important;
}

.pd-contextual-links a {
  display: block;
  padding: 8px 10px;
  background: #f8fbfe;
  border: 1px solid #e1ecf4 !important;
  border-radius: 7px;
  color: #236fa5 !important;
  font-weight: 650 !important;
  text-decoration: none !important;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.pd-contextual-links a:hover,
.pd-contextual-links a:focus-visible {
  background: #eef7fd;
  border-color: #3498db !important;
  transform: translateY(-1px);
}

@media (max-width: 700px) {
  .pd-contextual-links {
    margin-top: 32px;
    padding: 18px 15px;
  }

  .pd-contextual-links__grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Accessibility foundation
   -------------------------------------------------------------------------- */
:root {
  --pd-focus: #e74c3c;
}

.screen-reader-text,
.pd-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.screen-reader-text:focus,
.pd-visually-hidden:focus {
  position: fixed !important;
  top: 12px !important;
  left: 12px !important;
  z-index: 100000 !important;
  width: auto !important;
  height: auto !important;
  padding: 12px 16px !important;
  margin: 0 !important;
  clip: auto !important;
  overflow: visible !important;
  white-space: normal !important;
  background: #ffffff !important;
  color: #172b3a !important;
  border: 2px solid var(--pd-focus) !important;
  border-radius: 6px !important;
}

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--pd-focus) !important;
  outline-offset: 3px !important;
}

#main-content:focus {
  outline: none;
}

#main-content :where(h2, h3, h4, h5, h6)[id] {
  scroll-margin-top: 112px;
}

.table-scroll-wrapper[tabindex="0"]:focus-visible,
.table-responsive[tabindex="0"]:focus-visible,
.wp-block-table[tabindex="0"]:focus-visible {
  outline: 3px solid var(--pd-focus) !important;
  outline-offset: 4px !important;
}

[hidden] {
  display: none !important;
}

@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}