/*
Theme Name: HeyLang
Theme URI: https://heylang.local
Author: HeyLand
Description: Theme clásico para HeyLang (Diccionario Bilingüe, Lecturas Graduadas, Videos), construido sobre el plugin heyland-content. Requiere el plugin HeyLand Content + ACF Pro activos.
Version: 0.1.0
Requires PHP: 8.0
Text Domain: heylang
*/

/* ============================================================
   HeyLang — The Living Folio
   Design System: styles.css
   Based on DESIGN.md — "The Enchanted Lexicon"
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS (CSS Custom Properties)
   ============================================================ */
:root {
  /* Primary — Forest Green */
  --c-primary:                 #124340;
  --c-on-primary:              #ffffff;
  --c-primary-container:       #2d5a57;
  --c-on-primary-container:    #a1cfcb;
  --c-primary-fixed:           #bcece7;
  --c-primary-fixed-dim:       #a1cfcb;
  --c-on-primary-fixed:        #00201e;
  --c-on-primary-fixed-var:    #204e4b;

  /* Secondary — Old Gold */
  --c-secondary:               #7d5700;
  --c-on-secondary:            #ffffff;
  --c-secondary-container:     #fec660;
  --c-on-secondary-container:  #755100;
  --c-secondary-fixed:         #ffdeaa;
  --c-secondary-fixed-dim:     #f5bd59;
  --c-on-secondary-fixed:      #271900;
  --c-on-secondary-fixed-var:  #5f4100;

  /* Tertiary — Earth / Clay */
  --c-tertiary:                #632c0e;
  --c-on-tertiary:             #ffffff;
  --c-tertiary-container:      #804222;
  --c-on-tertiary-container:   #ffb695;
  --c-tertiary-fixed:          #ffdbcc;
  --c-tertiary-fixed-dim:      #ffb694;

  /* Background & Surface — Parchment */
  --c-background:              #fef9ef;
  --c-on-background:           #1d1c16;
  --c-surface:                 #fef9ef;
  --c-on-surface:              #1d1c16;
  --c-surface-variant:         #e7e2d8;
  --c-on-surface-variant:      #404847;
  --c-surface-lowest:          #ffffff;
  --c-surface-low:             #f8f3e9;
  --c-surface-container:       #f2ede3;
  --c-surface-high:            #ece8de;
  --c-surface-highest:         #e7e2d8;
  --c-surface-dim:             #dedad0;

  /* Outline */
  --c-outline:                 #707977;
  --c-outline-variant:         #c0c8c7;

  /* Ghost border: outline-variant at 15% opacity */
  --border-ghost:              1px solid rgba(192, 200, 199, 0.15);

  /* Ambient shadow per DESIGN.md: blur 24px, spread -4px, opacity 6% */
  --shadow-ambient:            0 0 24px -4px rgba(29, 28, 22, 0.06);
  --shadow-soft:               0 2px 12px rgba(29, 28, 22, 0.05);

  /* Typography */
  --font-headline:             'Newsreader', serif;
  --font-body:                 'Work Sans', sans-serif;

  /* Border radius scale */
  --r-sm:   0.375rem;
  --r-md:   0.5rem;
  --r-lg:   0.75rem;
  --r-xl:   1rem;
  --r-2xl:  1.5rem;
  --r-3xl:  2rem;
  --r-4xl:  2.5rem;
  --r-full: 9999px;

  /* Container */
  --container-max:     80rem;
  --container-px:      2rem;
  --container-narrow:  56rem;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--c-background);
  color: var(--c-on-surface);
  min-height: 100vh;
  /* Paper grain texture per DESIGN.md at 2-3% opacity */
  background-image: radial-gradient(circle at 2px 2px, rgba(29, 28, 22, 0.025) 1px, transparent 0);
  background-size: 24px 24px;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }

/* Material Symbols */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
  line-height: 1;
  user-select: none;
}
.icon-fill { font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24; }

/* ============================================================
   3. LAYOUT
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.container--narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* ============================================================
   4. NAVIGATION — Glassmorphism (DESIGN.md §2)
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(254, 249, 239, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  /* No 1px border per DESIGN.md — use ghost border at 15% */
  border-bottom: var(--border-ghost);
}

.site-nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 1rem;
}

.site-nav__brand {
  font-family: var(--font-headline);
  font-size: 1.875rem;
  font-style: italic;
  font-weight: 700;
  color: var(--c-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.site-nav__links {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-headline);
  font-style: italic;
  font-size: 1.0625rem;
  color: rgba(29, 28, 22, 0.65);
  text-decoration: none;
  padding-bottom: 0.25rem;
  transition: color 0.2s;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: var(--c-secondary);
}

.nav-link--active {
  color: var(--c-primary);
  border-bottom-color: var(--c-secondary);
}

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ============================================================
   5. BUTTONS (DESIGN.md §5)
   ============================================================ */

/* Primary: Forest Green with gradient per DESIGN.md */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  border-radius: var(--r-xl);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s, opacity 0.2s;
  line-height: 1.25;
}

.btn-primary {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-container) 100%);
  color: var(--c-on-primary);
}
.btn-primary:hover { opacity: 0.9; }

.btn-pill { border-radius: var(--r-full); }

.btn-outline {
  background: transparent;
  color: var(--c-primary);
  border: 2px solid var(--c-primary);
}
.btn-outline:hover { background: rgba(18, 67, 64, 0.05); }

.btn-ghost {
  background: none;
  color: var(--c-primary);
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  border-radius: var(--r-lg);
  transition: color 0.2s, background-color 0.2s;
}
.btn-ghost:hover { background-color: rgba(18, 67, 64, 0.05); }

.btn-secondary {
  background-color: var(--c-secondary-container);
  color: var(--c-on-secondary-container);
}
.btn-secondary:hover { opacity: 0.9; }

.btn-block { width: 100%; display: flex; }

.btn-sm {
  padding: 0.375rem 1rem;
  font-size: 0.8125rem;
  border-radius: var(--r-lg);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.0625rem;
  border-radius: var(--r-xl);
}

/* ============================================================
   6. FOOTER — Dark bg per diccionario_buscador_actualizado
   ============================================================ */
.site-footer {
  background-color: var(--c-primary);
  padding-block: 3rem;
  margin-top: 5rem;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

.site-footer__left { text-align: center; }

.site-footer__brand {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--c-primary-fixed);
  margin-bottom: 0.375rem;
}

.site-footer__copy {
  font-size: 0.8125rem;
  color: rgba(254, 249, 239, 0.65);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.footer-link {
  font-size: 0.8125rem;
  color: rgba(254, 249, 239, 0.7);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.footer-link:hover { color: #ffffff; }

/* ============================================================
   7. BADGES & LEVEL LABELS
   ============================================================ */
.badge {
  display: inline-block;
  padding: 0.25rem 1rem;
  border-radius: var(--r-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.badge-a1 { background-color: var(--c-secondary-container); color: var(--c-on-secondary-container); }
.badge-a2 { background-color: var(--c-primary-fixed); color: var(--c-on-primary-fixed-var); }
.badge-b1 { background-color: var(--c-tertiary-container); color: var(--c-on-tertiary-container); }
.badge-tag { background-color: var(--c-secondary-fixed); color: var(--c-on-secondary-fixed-var); letter-spacing: 0.2em; font-size: 0.625rem; }
.badge-contact { background-color: var(--c-secondary-fixed); color: var(--c-on-secondary-fixed-var); }

/* ============================================================
   8. SEARCH BAR
   ============================================================ */
.search-bar {
  position: relative;
  margin-bottom: 3rem;
}

.search-input {
  width: 100%;
  background-color: var(--c-surface-highest);
  border: none;
  border-radius: var(--r-2xl);
  padding: 1.25rem 4rem 1.25rem 2rem;
  font-size: 1.125rem;
  font-family: var(--font-body);
  color: var(--c-on-surface);
  outline: none;
  transition: box-shadow 0.2s;
}
.search-input:focus { box-shadow: 0 0 0 2px rgba(18, 67, 64, 0.2); }
.search-input::placeholder { color: rgba(64, 72, 71, 0.4); }

.search-icon {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-primary);
  pointer-events: none;
  font-size: 1.75rem;
}

/* ============================================================
   9. SECTION HEADER (level sections in catalog pages)
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  /* Ink-line divider instead of solid border per DESIGN.md */
  border-bottom: var(--border-ghost);
}

.section-title {
  font-family: var(--font-headline);
  font-size: 1.875rem;
  color: var(--c-primary);
}

.section-spacer { flex-grow: 1; }

/* ============================================================
   10. PAGE HERO (centered title header)
   ============================================================ */
/* Back navigation link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--c-on-surface-variant);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.875rem;
  margin-bottom: 1.75rem;
  transition: color 0.2s;
}
.back-link:hover { color: var(--c-secondary); }
.back-link .material-symbols-outlined { font-size: 1.1rem; }

.back-link--hero {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.25rem;
}
.back-link--hero:hover { color: #ffffff; }

.page-hero {
  text-align: center;
  margin-bottom: 4rem;
}

.page-hero__eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
}

.page-hero__title {
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: normal;
  color: var(--c-primary);
  margin-bottom: 1rem;
}

.page-hero__title--xl  { font-size: clamp(2.5rem, 6vw, 4.5rem); }
.page-hero__title--lg  { font-size: clamp(2rem, 5vw, 3.5rem); }
.page-hero__title--2xl { font-size: clamp(3rem, 8vw, 6rem); }

.page-hero__subtitle {
  color: var(--c-on-surface-variant);
  max-width: 38rem;
  margin-inline: auto;
  font-size: 1.0625rem;
  line-height: 1.6;
}

/* ============================================================
   11. IMAGE HERO BANNER
   ============================================================ */
.hero-banner {
  position: relative;
  border-radius: var(--r-3xl);
  overflow: hidden;
  margin-bottom: 3rem;
}

.hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 67, 64, 0.88) 0%, rgba(18, 67, 64, 0.3) 50%, transparent 100%);
}

.hero-banner__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2.5rem 3rem;
}

/* ============================================================
   12. DICTIONARY INDEX — Sidebar + Content Layout
   ============================================================ */
.dict-layout {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* Tier Sidebar */
.dict-sidebar { flex-shrink: 0; }
.dict-sidebar__title {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(64, 72, 71, 0.6);
  font-weight: 700;
  margin-bottom: 1.5rem;
  padding-inline: 0.5rem;
}

.tier-btn {
  display: block;
  width: 100%;
  text-align: left;
  text-decoration: none;
  padding: 1.5rem;
  border-radius: var(--r-3xl);
  border: var(--border-ghost);
  background-color: var(--c-surface-low);
  color: var(--c-on-surface);
  margin-bottom: 1rem;
  cursor: pointer;
  transition: background-color 0.2s;
}
.tier-btn:hover { background-color: var(--c-surface-container); }

.tier-btn__header { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.5rem; }
.tier-btn__label-badge {
  padding: 0.25rem 0.75rem;
  border-radius: var(--r-full);
  font-weight: 700;
  font-size: 0.9375rem;
}
.tier-btn--a1 .tier-btn__label-badge { background-color: var(--c-primary-container); color: var(--c-on-primary-container); }
.tier-btn--a2 .tier-btn__label-badge { background-color: var(--c-primary-fixed); color: var(--c-primary); }
.tier-btn--b1 .tier-btn__label-badge { background-color: var(--c-tertiary-fixed); color: var(--c-tertiary); }

.tier-btn__name {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  color: var(--c-primary);
  margin-bottom: 0.25rem;
}
.tier-btn__desc {
  font-style: italic;
  font-size: 0.875rem;
  color: var(--c-on-surface-variant);
}
.tier-btn__icon { color: var(--c-primary); opacity: 0.6; }

/* A1 tier active bg */
.tier-btn--a1 { background-color: #FFF5E6; }
.tier-btn--a2 { background-color: #EEDCB5; }
.tier-btn--b1 { background-color: #CBDED1; }

/* Word List Panel */
.dict-panel {
  flex: 1;
}

.dict-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: var(--border-ghost);
}
.dict-panel__heading {
  font-family: var(--font-headline);
  font-size: 1.875rem;
  color: var(--c-primary);
  font-style: italic;
}
.dict-panel__count {
  font-size: 0.8125rem;
  color: rgba(64, 72, 71, 0.6);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.word-list-panel {
  background-color: rgba(248, 243, 233, 0.5);
  border-radius: 2.5rem;
  padding: 2.5rem;
}

.word-list {
  display: grid;
  grid-template-columns: 1fr;
  column-gap: 3rem;
  row-gap: 0;
}

.word-entry {
  display: flex;
  align-items: center;
  padding-block: 0.5rem;
  border-bottom: 1px solid transparent;
  text-decoration: none;
  transition: border-bottom-color 0.15s;
}
.word-entry:hover { border-bottom-color: rgba(18, 67, 64, 0.08); }

.word-entry__num {
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--c-secondary);
  margin-right: 1rem;
  width: 1.5rem;
  flex-shrink: 0;
}
.word-entry__word {
  font-size: 1.125rem;
  color: var(--c-primary);
  transition: transform 0.15s;
}
.word-entry:hover .word-entry__word { transform: translateX(4px); }

/* Pagination */
.pagination {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: var(--border-ghost);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.page-btn {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-full);
  font-family: monospace;
  font-size: 0.875rem;
  text-decoration: none;
  border: var(--border-ghost);
  color: var(--c-primary);
  transition: background-color 0.15s;
}
.page-btn:hover { background-color: var(--c-surface-container); }
.page-btn--active { background-color: var(--c-primary); color: var(--c-on-primary); border-color: var(--c-primary); }

/* ============================================================
   13. BOOK GRID
   ============================================================ */
.book-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.book-card { cursor: pointer; display: block; text-decoration: none; color: inherit; }

.book-card__cover {
  aspect-ratio: 2/3;
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-ambient);
}
.book-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.book-card:hover .book-card__cover img { transform: translateY(-4px); }

.book-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 67, 64, 0.65), transparent 60%);
  opacity: 0;
  transition: opacity 0.2s;
  display: flex;
  align-items: flex-end;
  padding: 0.75rem;
}
.book-card:hover .book-card__overlay { opacity: 1; }
.book-card__overlay-label {
  color: white;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.book-card__title {
  margin-top: 0.75rem;
  font-family: var(--font-headline);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--c-on-surface);
  transition: color 0.2s;
  line-height: 1.3;
}
.book-card:hover .book-card__title { color: var(--c-secondary); }

.book-card__author {
  font-size: 0.625rem;
  font-style: italic;
  color: var(--c-on-surface-variant);
  margin-top: 0.125rem;
}

/* ============================================================
   14. VIDEO GRID & CARDS
   ============================================================ */
.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.video-card { cursor: pointer; display: block; text-decoration: none; color: inherit; }

.video-card__thumb {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-ambient);
}
.video-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.video-card:hover .video-card__thumb img { transform: scale(1.04); }

.video-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 67, 64, 0.6), transparent 60%);
  opacity: 0.6;
}

.video-card__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
}
.video-card:hover .video-card__play { opacity: 1; }
.video-card__play .material-symbols-outlined {
  font-size: 3.75rem;
  color: white;
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.video-card__title {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  color: var(--c-on-surface);
  transition: color 0.2s;
  line-height: 1.3;
}
.video-card:hover .video-card__title { color: var(--c-secondary); }

.video-card__desc {
  font-size: 0.875rem;
  color: var(--c-on-surface-variant);
  font-style: italic;
  margin-top: 0.25rem;
}

.video-card--locked .video-card__thumb {
  background-color: var(--c-surface-container);
  border: 2px dashed rgba(112, 121, 119, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.video-card__thumb--locked {
  aspect-ratio: 16 / 9;
  border-radius: var(--r-xl);
}

.video-card__thumb--locked .material-symbols-outlined {
  margin-bottom: 0.5rem;
  color: var(--c-primary);
  font-size: 2.5rem;
}

.video-card__thumb--locked p {
  color: var(--c-on-surface-variant);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ============================================================
   15. DICTIONARY ENTRY PAGE
   ============================================================ */
.entry-layout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.entry-header {
  background-color: rgba(255, 255, 255, 0.6);
  border: var(--border-ghost);
  border-radius: var(--r-2xl);
  padding: 2rem;
}

.entry-word {
  font-family: var(--font-headline);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1;
}

.entry-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.entry-pos-badge {
  background-color: var(--c-primary);
  color: var(--c-on-primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--r-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.entry-phonetic {
  font-size: 1.75rem;
  color: var(--c-secondary);
  font-weight: 700;
  letter-spacing: 0.1em;
  font-style: italic;
}

.entry-translation {
  font-family: var(--font-headline);
  font-size: 2.25rem;
  color: rgba(18, 67, 64, 0.6);
  font-style: italic;
  font-weight: 700;
}

.entry-btn-audio {
  background-color: rgba(18, 67, 64, 0.1);
  color: var(--c-primary);
  padding: 0.75rem;
  border-radius: var(--r-2xl);
  transition: background-color 0.2s;
}
.entry-btn-audio:hover { background-color: rgba(18, 67, 64, 0.2); }

/* Context examples */
.context-list { display: flex; flex-direction: column; gap: 0.75rem; }

.context-item {
  padding: 1rem;
  background-color: var(--c-surface-low);
  border-radius: var(--r-lg);
  border-left: 4px solid var(--c-primary);
}
.context-item--secondary { border-left-color: var(--c-outline-variant); }
.context-item__en {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}
.context-item__es { font-size: 0.875rem; color: var(--c-on-surface-variant); font-style: italic; }

/* Collocations */
.collocation-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; }

.collocation-item {}
.collocation-term {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 0.5rem;
  transition: color 0.2s;
}
.collocation-item:hover .collocation-term { color: var(--c-secondary); }

.collocation-example {
  padding-left: 1rem;
  border-left: 1px solid rgba(18, 67, 64, 0.2);
}
.collocation-example__en { font-family: var(--font-headline); font-style: italic; font-size: 0.875rem; color: var(--c-on-surface); }
.collocation-example__es { font-size: 0.75rem; color: var(--c-on-surface-variant); margin-top: 0.125rem; }

/* ============================================================
   16. READING PAGE
   ============================================================ */
.reading-layout {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  align-items: flex-start;
}

.reading-main {
  background-color: var(--c-surface-low);
  border-radius: var(--r-3xl);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.reading-content {
  font-family: var(--font-headline);
  font-size: 1.3125rem;
  line-height: 1.85;
  color: rgba(29, 28, 22, 0.9);
}
.reading-content p { margin-bottom: 3rem; position: relative; }
.reading-content p:last-child { margin-bottom: 0; }

.reading-highlight {
  background-color: rgba(245, 189, 89, 0.3);
  padding-inline: 0.25rem;
  border-radius: 0.25rem;
  cursor: help;
}

.reading-aside {
  width: 100%;
}

.reading-tools {
  background-color: var(--c-surface-high);
  border-radius: var(--r-2xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.tool-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background-color: var(--c-surface-lowest);
  border-radius: var(--r-xl);
  border: var(--border-ghost);
  transition: border-color 0.2s;
  margin-bottom: 0.75rem;
  cursor: pointer;
}
.tool-btn:last-child { margin-bottom: 0; }
.tool-btn:hover { border-color: rgba(125, 87, 0, 0.3); }
.tool-btn__left { display: flex; align-items: center; gap: 0.75rem; }
.tool-btn__label { font-weight: 500; color: var(--c-on-surface); font-size: 0.9375rem; }
.tool-btn__sublabel { font-size: 0.6875rem; color: rgba(64, 72, 71, 0.7); line-height: 1.3; }

/* ============================================================
   17. VIDEO PLAYER PAGE
   ============================================================ */
.video-player-wrap {
  background-color: var(--c-on-surface);
  border-radius: var(--r-3xl);
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
  border: 4px solid var(--c-surface-high);
  box-shadow: var(--shadow-ambient);
}

.video-player-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.player-live-badge {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  background-color: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--r-full);
  padding: 0.375rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  font-size: 0.875rem;
}

.player-controls {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 40%, rgba(0,0,0,0.15) 100%);
}

.player-progress {
  height: 0.375rem;
  width: 100%;
  background-color: rgba(255,255,255,0.2);
  border-radius: var(--r-full);
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.player-progress__fill {
  height: 100%;
  width: 45%;
  background-color: var(--c-secondary);
}

.player-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 0.75rem 1rem;
  border-radius: var(--r-2xl);
  border: 1px solid rgba(255,255,255,0.1);
}

.player-controls-left { display: flex; align-items: center; gap: 0.75rem; }
.player-controls-right { display: flex; align-items: center; gap: 0.25rem; }

.player-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--r-full);
  transition: color 0.15s;
  line-height: 1;
}
.player-btn:hover { color: white; }
.player-btn--play {
  background-color: var(--c-secondary);
  color: var(--c-on-secondary);
  padding: 0.75rem;
}
.player-btn--play:hover { opacity: 0.9; }
.player-timecode { color: rgba(255,255,255,0.9); font-size: 0.75rem; font-family: monospace; margin-left: 0.5rem; }

/* Vocabulary panel */
.vocab-panel {
  background-color: var(--c-surface-low);
  border-radius: var(--r-3xl);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.vocab-deco {
  position: absolute;
  right: -1rem;
  bottom: -1rem;
  opacity: 0.1;
  font-size: 7.5rem;
  pointer-events: none;
  color: var(--c-primary);
}

.vocab-item { padding-bottom: 2rem; }
.vocab-item:last-child { padding-bottom: 0; }

.vocab-word {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-tertiary);
  margin-right: 0.5rem;
}
.vocab-translation { color: var(--c-on-surface-variant); font-style: italic; }

.vocab-example {
  padding-left: 1rem;
  border-left: 2px solid rgba(125, 87, 0, 0.3);
  margin-top: 0.5rem;
}
.vocab-example p { font-size: 0.875rem; color: var(--c-on-surface-variant); margin-bottom: 0.25rem; }

/* ============================================================
   18. CONTACT FORM
   ============================================================ */
.contact-card {
  background-color: var(--c-surface-low);
  border-radius: var(--r-3xl);
  padding: 3rem;
  box-shadow: var(--shadow-ambient);
  position: relative;
  overflow: hidden;
}

.contact-header { text-align: center; margin-bottom: 2.5rem; }
.contact-divider {
  width: 6rem;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--c-tertiary), transparent);
  margin: 1rem auto 0;
}

.contact-deco {
  position: absolute;
  opacity: 0.08;
  pointer-events: none;
  color: var(--c-primary);
}
.contact-deco--br { bottom: 1rem; right: 1.5rem; font-size: 6rem; }
.contact-deco--tl { top: 2.5rem; left: 1.5rem; font-size: 4rem; transform: rotate(12deg); }

.form-group { margin-bottom: 1.5rem; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-tertiary);
  margin-bottom: 0.5rem;
  padding-inline: 0.25rem;
}
.form-input,
.form-textarea {
  width: 100%;
  background-color: var(--c-surface-highest);
  border: none;
  border-radius: var(--r-lg);
  padding: 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--c-on-surface);
  outline: none;
  transition: box-shadow 0.2s;
}
.form-input:focus,
.form-textarea:focus { box-shadow: 0 0 0 2px rgba(125, 87, 0, 0.3); }
.form-input::placeholder,
.form-textarea::placeholder { color: rgba(64, 72, 71, 0.4); }
.form-textarea { resize: none; }

.form-grid-2 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }

/* ============================================================
   19. PRICING
   ============================================================ */
.pricing-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: stretch;
  justify-content: center;
  max-width: 56rem;
  margin-inline: auto;
  margin-bottom: 5rem;
}

.pricing-card {
  background-color: var(--c-surface-low);
  border-radius: var(--r-3xl);
  padding: 2rem;
  border: var(--border-ghost);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.pricing-card--featured {
  background-color: var(--c-surface-highest);
  border: 2px solid var(--c-secondary);
  border-radius: var(--r-4xl);
  padding: 2.5rem;
}

.pricing-tag {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background-color: var(--c-secondary);
  color: var(--c-on-secondary);
  padding: 0.25rem 1rem;
  border-radius: var(--r-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.pricing-name {
  font-family: var(--font-headline);
  font-size: 2.5rem;
  font-style: italic;
  color: var(--c-on-surface);
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}
.pricing-card--featured .pricing-name { font-size: 3rem; }

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 2rem;
}
.pricing-amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--c-primary);
}
.pricing-card--featured .pricing-amount { font-size: 3rem; }
.pricing-period { font-size: 0.875rem; color: var(--c-on-surface-variant); }

.pricing-features { flex-grow: 1; margin-bottom: 2rem; display: flex; flex-direction: column; gap: 1rem; }
.pricing-feature { display: flex; align-items: flex-start; gap: 0.75rem; }
.pricing-feature .material-symbols-outlined { font-size: 1.25rem; color: var(--c-secondary); flex-shrink: 0; margin-top: 0.125rem; }
.pricing-feature span { color: var(--c-on-surface-variant); }
.pricing-card--featured .pricing-feature span { color: var(--c-on-surface); font-weight: 500; }

.pricing-footnote { text-align: center; font-size: 0.75rem; color: var(--c-on-surface-variant); font-style: italic; margin-top: 1.5rem; }

/* ============================================================
   20. LANDING PAGE SECTIONS
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.feature-card {
  background-color: white;
  padding: 2rem;
  border-radius: var(--r-3xl);
  box-shadow: var(--shadow-ambient);
  border: var(--border-ghost);
  transition: background-color 0.2s;
}
.feature-card:hover { background-color: rgba(18, 67, 64, 0.03); }

.feature-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--r-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.feature-icon--gold   { background-color: rgba(255, 222, 170, 0.5); }
.feature-icon--teal   { background-color: rgba(188, 236, 231, 0.5); }
.feature-icon--peach  { background-color: rgba(255, 219, 204, 0.5); }

.feature-icon .material-symbols-outlined { font-size: 1.875rem; color: var(--c-primary); }

.feature-title { font-family: var(--font-headline); font-size: 1.5rem; font-weight: 700; color: var(--c-primary); margin-bottom: 0.75rem; }
.feature-desc { color: var(--c-on-surface-variant); line-height: 1.6; }

/* CTA Dark Section */
.cta-section {
  background-color: var(--c-primary);
  border-radius: var(--r-3xl);
  padding: 4rem 2rem;
  text-align: center;
  margin-block: 1.5rem;
}
.cta-section__title {
  font-family: var(--font-headline);
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--c-on-primary);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}
.cta-section__subtitle {
  color: var(--c-primary-fixed);
  font-size: 1.0625rem;
  max-width: 32rem;
  margin-inline: auto;
  margin-bottom: 3rem;
}

/* ============================================================
   21. FAB — Floating Action Button
   ============================================================ */
.fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--c-secondary-container);
  color: var(--c-on-secondary-container);
  padding: 1rem;
  border-radius: var(--r-full);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0;
  z-index: 50;
  transition: background-color 0.2s, gap 0.2s;
  box-shadow: var(--shadow-ambient);
  overflow: hidden;
  max-width: 3.5rem;
}
.fab:hover { background-color: var(--c-secondary-fixed); gap: 0.5rem; max-width: 14rem; }
.fab__label {
  font-weight: 700;
  white-space: nowrap;
  font-size: 0;
  transition: font-size 0.2s;
}
.fab:hover .fab__label { font-size: 0.875rem; }

/* ============================================================
   22. GLASS PANEL (Dictionary entry / sidebar items)
   ============================================================ */
.glass-panel {
  background-color: rgba(255, 255, 255, 0.6);
  border: var(--border-ghost);
  border-radius: var(--r-2xl);
  padding: 2rem;
}

/* ============================================================
   23. MISC UTILITIES
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

.text-primary         { color: var(--c-primary); }
.text-secondary       { color: var(--c-secondary); }
.text-secondary-fixed { color: var(--c-secondary-fixed); }
.text-tertiary        { color: var(--c-tertiary); }
.text-on-surface      { color: var(--c-on-surface); }
.text-muted           { color: var(--c-on-surface-variant); }
.text-on-primary      { color: var(--c-on-primary); }
.text-white           { color: #ffffff; }

.bg-surface-low       { background-color: var(--c-surface-low); }
.bg-surface-container { background-color: var(--c-surface-container); }
.bg-surface-high      { background-color: var(--c-surface-high); }
.bg-primary           { background-color: var(--c-primary); }

.font-headline  { font-family: var(--font-headline); }
.italic         { font-style: italic; }
.font-bold      { font-weight: 700; }

.text-center  { text-align: center; }
.text-sm      { font-size: 0.875rem; }
.text-xs      { font-size: 0.75rem; }
.text-lg      { font-size: 1.125rem; }

.mt-1  { margin-top: 0.25rem; }
.mt-2  { margin-top: 0.5rem; }
.mt-4  { margin-top: 1rem; }
.mt-6  { margin-top: 1.5rem; }
.mt-8  { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }
.mt-20 { margin-top: 5rem; }

.mb-2  { margin-bottom: 0.5rem; }
.mb-4  { margin-bottom: 1rem; }
.mb-6  { margin-bottom: 1.5rem; }
.mb-8  { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mb-20 { margin-bottom: 5rem; }
.mb-24 { margin-bottom: 6rem; }

.py-12 { padding-block: 3rem; }
.py-16 { padding-block: 4rem; }
.py-20 { padding-block: 5rem; }
.py-24 { padding-block: 6rem; }
.py-32 { padding-block: 8rem; }

.section-space { margin-bottom: 6rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.grow { flex-grow: 1; }
.shrink-0 { flex-shrink: 0; }

.w-full { width: 100%; }
.max-w-2xl { max-width: 42rem; margin-inline: auto; }
.max-w-3xl { max-width: 48rem; margin-inline: auto; }
.max-w-sm { max-width: 24rem; }

.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.sticky-top { position: sticky; top: 6rem; }

.rounded-full { border-radius: var(--r-full); }
.border-b-deco {
  padding-bottom: 1rem;
  border-bottom: var(--border-ghost);
  margin-bottom: 2rem;
}

.section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  color: rgba(64, 72, 71, 0.6);
  border-left: 2px solid var(--c-secondary);
  padding-left: 0.75rem;
  margin-bottom: 1.5rem;
  display: block;
}

/* ============================================================
   24. LANDING HERO
   ============================================================ */
.landing-hero {
  position: relative;
  width: 100%;
  min-height: 560px;
  background-image: url('assets/images/background-16-9.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.landing-hero__overlay {
  position: absolute;
  inset: 0;
  
}

.landing-hero__content {
  position: relative;
  z-index: 1;
  padding-block: 5rem;
}

.landing-hero__text-img {
  display: block;
  width: 100%;
  max-width: 520px;
  margin-bottom: 2.25rem;
}

.landing-hero__btn {
  display: block;
  height: 62px;
  width: auto;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.landing-hero__btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

/* ============================================================
   25. RESPONSIVE BREAKPOINTS
   ============================================================ */

@media (min-width: 640px) {
  .book-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .site-nav__links { display: flex; }
  .book-grid { grid-template-columns: repeat(4, 1fr); }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .collocation-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { flex-direction: row; align-items: flex-end; }
  .site-footer__inner { flex-direction: row; justify-content: space-between; align-items: center; }
  .site-footer__left { text-align: left; }
  .site-footer__links { justify-content: flex-end; }
  .dict-layout { flex-direction: row; }
  .dict-sidebar { width: 20rem; }
  .word-list { grid-template-columns: repeat(2, 1fr); }
  .reading-layout { flex-direction: row; }
  .reading-main { flex: 1 1 0; padding: 4rem; }
  .reading-aside { width: 18rem; flex-shrink: 0; }
}

@media (min-width: 1024px) {
  .book-grid { grid-template-columns: repeat(6, 1fr); }
  .book-grid--8 { grid-template-columns: repeat(8, 1fr); }
  .video-grid { grid-template-columns: repeat(4, 1fr); }
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .collocation-grid { grid-template-columns: repeat(3, 1fr); }
  .entry-layout { display: grid; grid-template-columns: 1fr 1fr; }
  .entry-layout--wide { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   26. VUE APPLICATION ADAPTERS
   ============================================================ */

#app {
  min-height: 100vh;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-main {
  flex: 1;
}

.site-nav__brand-group {
  display: flex;
  align-items: center;
  gap: 2rem;
  min-width: 0;
}

.site-nav__user {
  display: none;
  color: var(--c-on-surface-variant);
  font-size: 0.875rem;
  font-weight: 600;
}

.router-link-exact-active.nav-link {
  color: var(--c-primary);
  border-bottom-color: var(--c-secondary);
}

.btn-primary {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-container) 100%);
  color: var(--c-on-primary);
}

.btn-secondary {
  background-color: var(--c-secondary-container);
  color: var(--c-on-secondary-container);
}

.btn-tertiary {
  background: transparent;
  color: var(--c-primary);
  box-shadow: inset 0 0 0 1px rgba(192, 200, 199, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--c-primary);
}

.btn-block {
  width: 100%;
}

.surface-card {
  background-color: var(--c-surface-low);
  border-radius: var(--r-3xl);
  box-shadow: var(--shadow-soft);
}

.surface-card--high {
  background-color: var(--c-surface-highest);
}

.state-panel {
  padding: 2rem;
  border-radius: var(--r-2xl);
  background-color: var(--c-surface-low);
  color: var(--c-on-surface-variant);
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.state-panel--error {
  color: #93000a;
  background-color: #ffdad6;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.page-shell {
  padding-block: 3rem 6rem;
}

.home-feature-card {
  background-color: transparent;
}

.auth-shell {
  padding-block: 4rem 6rem;
}

.auth-layout {
  display: grid;
  gap: 1.5rem;
  align-items: stretch;
}

.auth-intro,
.auth-card,
.import-panel,
.import-history,
.modal-content {
  background-color: var(--c-surface-low);
  border-radius: var(--r-3xl);
  box-shadow: var(--shadow-ambient);
}

.auth-intro,
.auth-card,
.import-panel,
.import-history {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.auth-intro {
  position: relative;
  overflow: hidden;
}

.auth-intro::after {
  content: "auto_stories";
  position: absolute;
  right: -0.5rem;
  bottom: -1.5rem;
  font-family: "Material Symbols Outlined";
  font-size: 8rem;
  line-height: 1;
  color: rgba(18, 67, 64, 0.08);
}

.auth-title,
.auth-card__title {
  font-family: var(--font-headline);
  color: var(--c-primary);
  font-style: italic;
}

.auth-title {
  margin-top: 1rem;
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  line-height: 0.95;
}

.auth-copy,
.auth-card__copy {
  margin-top: 1rem;
  color: var(--c-on-surface-variant);
  line-height: 1.7;
}

.auth-list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.auth-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
}

.auth-list__icon {
  display: inline-flex;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-lg);
  background-color: rgba(188, 236, 231, 0.45);
  color: var(--c-primary);
}

.auth-list__title {
  color: var(--c-primary);
  font-size: 1rem;
}

.auth-list__text {
  margin-top: 0.25rem;
  color: var(--c-on-surface-variant);
  font-size: 0.875rem;
  line-height: 1.55;
}

.auth-card__header {
  margin-bottom: 2rem;
}

.auth-card__title {
  margin-top: 0.75rem;
  font-size: clamp(2rem, 5vw, 3rem);
}

.auth-form,
.contact-form,
.import-form {
  display: grid;
  gap: 1.25rem;
}

.auth-footnote {
  margin-top: 1.5rem;
  color: var(--c-on-surface-variant);
  text-align: center;
}

.auth-footnote a {
  color: var(--c-secondary);
  font-weight: 700;
}

.form-message {
  color: var(--c-tertiary);
  font-weight: 700;
}

.form-message--success {
  color: var(--c-primary);
}

.contact-title {
  margin-top: 1rem;
  font-family: var(--font-headline);
  color: var(--c-tertiary);
  font-size: 2.5rem;
  font-style: italic;
}

.detail-page {
  padding-block: 2rem 6rem;
}

.detail-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.detail-stack {
  display: grid;
  gap: 1.5rem;
}

.detail-card {
  background-color: var(--c-surface-low);
  border-radius: var(--r-3xl);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow-soft);
}

.detail-card__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.detail-kicker {
  color: var(--c-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.detail-card__title {
  margin-top: 0.25rem;
  font-family: var(--font-headline);
  color: var(--c-primary);
  font-size: 1.875rem;
  font-style: italic;
}

.detail-chip,
.detail-stat__value,
.dictionary-card__chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-full);
  background-color: var(--c-primary-fixed);
  color: var(--c-on-primary-fixed-var);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
}

.detail-prose,
.viewer__text,
.detail-list {
  color: var(--c-on-surface);
  line-height: 1.8;
}

.detail-list {
  display: grid;
  gap: 0.75rem;
  list-style: disc;
  padding-left: 1.25rem;
}

.detail-stats {
  display: grid;
  gap: 0.75rem;
}

.detail-stat {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.8rem 0;
}

.detail-stat__label {
  color: var(--c-on-surface-variant);
  font-size: 0.875rem;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.detail-actions--stacked {
  display: grid;
}

.detail-action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  border-radius: var(--r-xl);
  background-color: var(--c-primary);
  color: var(--c-on-primary);
  font-weight: 700;
  padding: 0.75rem 1rem;
}

.detail-action-button--soft {
  background-color: var(--c-secondary-container);
  color: var(--c-on-secondary-container);
}

.detail-action-button.is-active {
  box-shadow: 0 0 0 3px rgba(125, 87, 0, 0.2);
}

.detail-progress {
  display: grid;
  gap: 0.5rem;
}

.detail-progress__track,
.catalog-progress__track {
  height: 0.65rem;
  overflow: hidden;
  border-radius: var(--r-full);
  background-color: var(--c-surface-highest);
}

.detail-progress__fill,
.catalog-progress__fill {
  height: 100%;
  border-radius: inherit;
  background-color: var(--c-secondary);
}

.detail-progress__label,
.detail-feedback,
.detail-slider-label {
  color: var(--c-on-surface-variant);
  font-size: 0.875rem;
}

.detail-slider-wrap {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.detail-slider {
  width: 100%;
  accent-color: var(--c-secondary);
}

.detail-feedback--success {
  color: var(--c-primary);
  font-weight: 700;
}

.reading-hero-banner {
  height: 20rem;
}

.video-hero-banner {
  height: 25rem;
}

.hero-banner__content--split {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
}

.hero-crumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.875rem;
}

.hero-crumbs a {
  color: inherit;
}

.hero-title {
  max-width: 50rem;
  color: #ffffff;
  font-family: var(--font-headline);
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-style: italic;
  font-weight: 700;
  line-height: 1.1;
}

.hero-author {
  margin-top: 0.5rem;
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-style: italic;
  font-weight: 300;
}

.hero-chapter,
.hero-scene {
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.05em;
}

.hero-meta {
  color: rgba(255, 255, 255, 0.9);
  text-align: right;
}

.hero-year {
  font-family: var(--font-headline);
  font-size: 2rem;
  font-style: italic;
}

.hero-edition {
  opacity: 0.7;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
}

.reading-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: var(--border-ghost);
}

.reading-icon {
  display: flex;
  width: 3rem;
  height: 3rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-full);
  background-color: var(--c-primary-fixed-dim);
  color: var(--c-primary);
}

.reading-bookmark {
  display: inline-flex;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-full);
  color: var(--c-on-surface-variant);
}

.reading-bookmark:hover {
  background-color: var(--c-surface-highest);
}

.reading-drop-quote {
  position: absolute;
  left: -2rem;
  top: 0;
  color: rgba(125, 87, 0, 0.1);
  font-family: var(--font-headline);
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.reading-tools__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  color: var(--c-primary);
  font-family: var(--font-headline);
  font-size: 1.25rem;
}

.video-detail-narrow {
  padding-inline: 2rem;
}

.video-player-wrap--native {
  aspect-ratio: auto;
  padding: 0;
  border: 4px solid var(--c-surface-high);
}

.video-player-wrap--native .video-player-container,
.video-player-wrap--native .video-wrapper {
  gap: 0;
}

.video-player-wrap--native .video-player {
  display: block;
  aspect-ratio: 16 / 9;
  height: auto;
  border-radius: calc(var(--r-3xl) - 0.35rem);
  box-shadow: none;
}

.video-player-wrap--native .player-info {
  padding: 1rem;
  color: rgba(255, 255, 255, 0.78);
}

.vocab-title {
  position: relative;
  z-index: 1;
  margin-bottom: 2rem;
  color: var(--c-primary);
  font-family: var(--font-headline);
  font-size: 1.875rem;
  font-style: italic;
}

.vocab-content {
  position: relative;
  z-index: 1;
}

.dictionary-figure-label {
  color: var(--c-on-surface-variant);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
}

.dictionary-section-heading {
  color: var(--c-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.detail-media-grid {
  display: grid;
  gap: 1rem;
}

.detail-media-item {
  overflow: hidden;
  border-radius: var(--r-xl);
  background-color: var(--c-surface-highest);
}

.catalog-toolbar {
  display: grid;
  gap: 1rem;
  margin-bottom: 3rem;
}

.catalog-toolbar__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border-radius: var(--r-2xl);
  background-color: var(--c-surface-low);
  color: var(--c-primary);
  font-weight: 700;
  padding: 0.85rem 1rem;
}

.catalog-toolbar__count-label {
  color: var(--c-on-surface-variant);
  font-weight: 500;
}

.catalog-empty {
  margin-top: 2rem;
}

.catalog-pagination,
.dictionary-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
}

.catalog-pagination__info,
.dictionary-pagination__info {
  color: var(--c-on-surface-variant);
  font-size: 0.875rem;
}

.book-card__cover {
  background:
    linear-gradient(135deg, rgba(18, 67, 64, 0.75), rgba(125, 87, 0, 0.35)),
    var(--card-cover, var(--c-surface-highest));
}

.book-card__cover {
  aspect-ratio: 2 / 3;
  display: block;
  padding: 0;
}

.book-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-card__cover-placeholder,
.video-card__thumb-placeholder {
  display: grid;
  gap: 0.75rem;
  width: 100%;
  color: white;
}

.book-card__cover-placeholder .material-symbols-outlined,
.video-card__thumb-placeholder .material-symbols-outlined {
  font-size: 2.5rem;
}

.book-card__level,
.video-card__level {
  width: fit-content;
  border-radius: var(--r-full);
  background-color: rgba(255, 255, 255, 0.85);
  color: var(--c-primary);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.6rem;
}

.book-card__summary {
  margin-top: 0.35rem;
  color: var(--c-on-surface-variant);
  font-size: 0.75rem;
  line-height: 1.45;
}

.catalog-progress {
  display: grid;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.catalog-progress__text {
  color: var(--c-on-surface-variant);
  font-size: 0.75rem;
}

.dictionary-modal,
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 1rem;
  background-color: rgba(29, 28, 22, 0.45);
}

.dictionary-modal__content,
.modal-content {
  width: min(100%, 36rem);
  padding: 2rem;
}

.dictionary-modal__title {
  font-family: var(--font-headline);
  color: var(--c-primary);
  font-size: 2rem;
  font-style: italic;
}

.dictionary-modal__copy {
  margin-top: 0.75rem;
  color: var(--c-on-surface-variant);
}

.dictionary-modal__options {
  display: grid;
  gap: 1rem;
  margin-block: 1.5rem;
}

.dictionary-modal__option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.audio-player {
  display: grid;
  gap: 1rem;
}

.audio-player__controls {
  display: grid;
  gap: 1rem;
}

.audio-player__play {
  min-height: 2.75rem;
  border-radius: var(--r-xl);
  background-color: var(--c-secondary-container);
  color: var(--c-on-secondary-container);
  font-weight: 800;
}

.audio-player__timeline {
  position: relative;
}

.audio-player__track {
  height: 0.7rem;
  border-radius: var(--r-full);
  background-color: var(--c-surface-highest);
  overflow: hidden;
}

.audio-player__fill {
  height: 100%;
  background-color: var(--c-primary);
}

.audio-player__seek {
  position: absolute;
  inset: -0.45rem 0 auto;
  width: 100%;
  opacity: 0;
}

.audio-player__time {
  color: var(--c-on-surface-variant);
  font-size: 0.875rem;
}

.audio-player__speed,
.viewer__select {
  min-height: 2.5rem;
  border: none;
  border-radius: var(--r-lg);
  background-color: var(--c-surface-highest);
  color: var(--c-on-surface);
  padding-inline: 0.75rem;
}

.video-player-container,
.video-wrapper {
  display: grid;
  gap: 1rem;
}

.video-player {
  width: 100%;
  overflow: hidden;
  border-radius: var(--r-3xl);
  background-color: var(--c-on-surface);
  box-shadow: var(--shadow-ambient);
}

.player-info {
  color: var(--c-on-surface-variant);
  font-size: 0.875rem;
}

.info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.viewer {
  display: grid;
  gap: 1rem;
}

.viewer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.viewer__button {
  min-height: 2.75rem;
  border-radius: var(--r-xl);
  background-color: var(--c-surface-highest);
  color: var(--c-primary);
  font-weight: 800;
  padding-inline: 1rem;
}

.viewer__button--active {
  background-color: var(--c-primary-fixed);
}

.viewer__panel {
  display: grid;
  gap: 1.25rem;
  border-radius: var(--r-2xl);
  background-color: var(--c-surface-container);
  padding: 1.25rem;
}

.viewer__label {
  margin-bottom: 0.5rem;
  color: var(--c-secondary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.viewer__text--soft {
  color: var(--c-on-surface-variant);
  font-style: italic;
}

.viewer__lines,
.viewer__items {
  display: grid;
  gap: 0.75rem;
  max-height: 28rem;
  overflow: auto;
}

.viewer__line,
.viewer__item {
  border-radius: var(--r-xl);
  background-color: var(--c-surface-lowest);
  padding: 0.9rem 1rem;
}

.viewer__item {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: 1rem;
}

.viewer__time {
  color: var(--c-secondary);
  font-family: monospace;
  font-size: 0.75rem;
  font-weight: 700;
}

.import-grid {
  display: grid;
  gap: 2rem;
}

.import-table-wrap {
  overflow-x: auto;
}

.template-table,
.imports-table table {
  width: 100%;
  border-collapse: collapse;
  min-width: 42rem;
}

.template-table th,
.template-table td,
.imports-table th,
.imports-table td {
  padding: 0.9rem;
  text-align: left;
  vertical-align: top;
}

.template-table th,
.imports-table th {
  color: var(--c-primary);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.template-table tr,
.imports-table tr {
  background-color: var(--c-surface-lowest);
}

.template-table tbody tr + tr td,
.imports-table tbody tr + tr td {
  border-top: 0.5rem solid var(--c-surface-low);
}

.status-badge,
.content-badge {
  display: inline-flex;
  border-radius: var(--r-full);
  background-color: var(--c-primary-fixed);
  color: var(--c-primary);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.35rem 0.7rem;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  font-family: var(--font-headline);
  color: var(--c-primary);
  font-size: 2rem;
  font-style: italic;
}

.detail-row {
  display: grid;
  gap: 0.35rem;
  padding-block: 0.75rem;
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.18s ease;
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}

@media (min-width: 640px) {
  .catalog-toolbar {
    display: flex;
    align-items: flex-end;
  }

  .catalog-toolbar .search-bar {
    flex: 1;
    min-width: 0;
    margin-bottom: 0;
  }

  .catalog-toolbar .form-group {
    width: 14rem;
    flex-shrink: 0;
    margin-bottom: 0;
  }

  .catalog-toolbar .search-input {
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  .catalog-toolbar .catalog-toolbar__count {
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  .audio-player__controls {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center;
  }

  .detail-media-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .site-nav__user {
    display: inline-flex;
  }

  .auth-layout {
    grid-template-columns: minmax(0, 0.95fr) minmax(22rem, 1fr);
  }
}

@media (min-width: 1024px) {
  .detail-grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(18rem, 0.8fr);
  }

  .import-grid {
    grid-template-columns: minmax(20rem, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }
}

/* ============================================================
   27. GUTENBERG / PAGE BUILDER COMPATIBILITY
   page.php envuelve the_content() en .container (ver page.php); estas
   reglas permiten que los bloques "wide"/"full" del editor rompan ese
   ancho, como en cualquier theme clásico compatible con Gutenberg.
   ============================================================ */
.container .alignwide {
  margin-left: calc((var(--container-max) - 100%) / -2 * 0.5);
  margin-right: calc((var(--container-max) - 100%) / -2 * 0.5);
  max-width: var(--container-max);
}

.container .alignfull {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  max-width: 100vw;
}

/* ============================================================
   28. WORD PLAYER (page-reproductor.php / page-palabras-aprendidas.php)
   ============================================================ */
.word-player {
  max-width: 40rem;
  margin: 0 auto;
}

.word-player__controls-top {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.word-player-btn {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 1px solid var(--c-outline-variant);
  background-color: var(--c-surface);
  color: var(--c-on-surface-variant);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.word-player-btn.active {
  background-color: var(--c-primary);
  border-color: var(--c-primary);
  color: white;
}

.word-player-card-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.word-player-nav {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--c-on-surface-variant);
  cursor: pointer;
  padding: 0.5rem;
}

.word-player-nav .material-symbols-outlined {
  font-size: 2rem;
}

.word-player-nav:disabled {
  opacity: 0.25;
  cursor: default;
}

.word-player-card {
  flex: 1;
  text-align: center;
  padding: 3rem 2rem;
}

.word-player-card__term {
  font-family: var(--font-headline);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-style: italic;
  color: var(--c-primary);
  margin: 1rem 0;
}

.word-player-card__translation {
  font-size: 1.25rem;
  color: var(--c-on-surface-variant);
  margin-bottom: 1.5rem;
  transition: opacity 0.15s;
}

.word-player-card__translation.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.word-player-progress {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8125rem;
  color: var(--c-on-surface-variant);
}

.word-player-empty {
  padding: 3rem 2rem;
}

.learned-word-entry {
  justify-content: space-between;
  gap: 1rem;
}

.learned-word-entry__translation {
  flex: 1;
}