/* =============================================================================
   Equine Edu — components.css
   Reusable UI built on the tokens in core.css.
   ----------------------------------------------------------------------------
   ONE system, applied everywhere:
   - One card treatment (3 variants: solid / quiet / glass) — §3
   - One button system (primary / secondary / tertiary)     — §1
   - One hero language (organic layered, room-tinted)        — §2
   - One sidebar (soft-glass journey rail)                   — §8
   Do not add one-off component styles to pages. Extend here.
   ============================================================================= */


/* -- 1. Buttons -------------------------------------------------------------- */
/* Base = secondary treatment; variants override below. Pill silhouette. */
.btn, .btn-primary, .btn-secondary, .btn-outline,
.nav-btn, .answer-btn {
  min-height: 44px; border-radius: 999px;
  font-family: var(--font-body); font-size: 0.92rem; font-weight: 700;
  text-decoration: none; display: inline-flex; align-items: center;
  justify-content: center; gap: 8px; padding: 11px 22px;
  border: 1.5px solid var(--blue-secondary);
  background: var(--soft-white); color: var(--blue-primary); cursor: pointer;
  box-shadow: var(--shadow-rest);
  transition: background var(--motion-quick) var(--ease),
              border-color var(--motion-quick) var(--ease),
              color var(--motion-quick) var(--ease),
              transform var(--motion-quick) var(--ease),
              box-shadow var(--motion-quick) var(--ease);
}
.btn:hover, .btn-secondary:hover, .btn-outline:hover, .nav-btn:hover,
.answer-btn:hover {
  border-color: var(--blue-primary); background: var(--blue-light);
  color: var(--heading);
}

/* Primary — warm tan, the main call-to-action on a page */
.btn-primary, .btn.next, .nav-btn.next, .lesson-nav a:last-child {
  background: var(--tan); color: var(--white);
  border-color: var(--tan); padding: 11px 26px;
}
.btn-primary:hover, .btn.next:hover, .nav-btn.next:hover,
.lesson-nav a:last-child:hover {
  background: var(--leather); border-color: var(--leather);
  color: var(--white); transform: translateY(-1px);
  box-shadow: var(--shadow-raised);
}

/* Secondary — soft white, dusty blue border + text */
.btn-secondary {
  background: var(--soft-white); color: var(--blue-primary);
  border-color: var(--blue-primary);
}
.btn-secondary:hover {
  background: var(--blue-light); color: var(--heading);
  border-color: var(--blue-primary);
}

/* Tertiary — text-only, underline on hover */
.btn-outline {
  background: transparent; color: var(--blue-primary);
  border-color: transparent; box-shadow: none;
}
.btn-outline:hover {
  border-color: transparent; color: var(--leather);
  background: transparent; text-decoration: underline;
}


/* -- 2. Hero blocks ----------------------------------------------------------
   Organic layered editorial heroes. The atmosphere does the heavy lifting;
   heroes add a room-tinted wash and a soft terrain edge — no hard borders. */
.course-hero, .lesson-hero {
  background:
    radial-gradient(ellipse 760px 420px at 92% -12%, var(--room-wash) 0%, transparent 62%),
    radial-gradient(ellipse 640px 380px at -12% 108%, rgba(231, 220, 203, 0.8) 0%, transparent 65%),
    transparent;
  padding: calc(var(--nav-height) + 20px) var(--page-pad) 56px;
  position: relative; overflow: hidden;
}
/* Heroes end softly — their radial washes already fade to transparent,
   so no extra edge treatment is needed (no hard lines anywhere). */
.course-hero-inner, .lesson-hero-inner {
  max-width: var(--shell-w); margin: 0 auto; display: grid;
  grid-template-columns: minmax(0,1fr) minmax(260px,380px);
  gap: 3rem; align-items: center; position: relative; z-index: 1;
}
.lesson-hero-inner { grid-template-columns: minmax(0,1fr) 320px; }
.course-hero-text { position: relative; z-index: 1; }

.course-hero-inner:has(.course-hero-art) {
  max-width: 1120px;
  grid-template-columns: minmax(0, 720px) minmax(240px, 340px);
  justify-content: center;
  gap: clamp(2rem, 4vw, 3rem);
}

/* Eyebrow voice — course/lesson tags share the editorial eyebrow treatment */
.course-tag, .lesson-module-tag {
  display: inline-block; background: none; border: none;
  color: var(--room-accent);
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; padding: 0;
  margin-bottom: 0.65rem;
  max-width: 100%; overflow-wrap: anywhere;
}
.course-hero h1, .lesson-hero-title {
  font-family: var(--font-display); font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  color: var(--heading); line-height: 1.12; margin-bottom: 1rem;
}
.lesson-hero-title { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
.course-hero h1 span, .lesson-hero-title span { color: var(--blue-primary); }
.course-hero p, .course-hero-desc, .lesson-hero-desc {
  color: var(--body-text); font-size: var(--text-md);
  line-height: 1.7; max-width: 680px; margin-bottom: 2rem;
}

/* Page-type washes — Viewing Room / Training Barn / Quiz / Lesson heroes.
   One treatment per page type, identical across every course. (The previous
   photo-overlay version pointed at images that don't exist in the repo.) */
.hero-bg {
  min-height: 340px;
}
.hero-bg-viewing-room {
  background:
    radial-gradient(ellipse 900px 460px at 80% -20%, rgba(127, 152, 178, 0.20), transparent 64%),
    radial-gradient(ellipse 700px 400px at -10% 110%, rgba(217, 227, 236, 0.5), transparent 65%),
    transparent;
}
.hero-bg-training-barn {
  background:
    radial-gradient(ellipse 900px 460px at 80% -20%, rgba(200, 162, 122, 0.20), transparent 64%),
    radial-gradient(ellipse 700px 400px at -10% 110%, rgba(231, 220, 203, 0.85), transparent 65%),
    transparent;
}
.hero-bg-quiz {
  background:
    radial-gradient(ellipse 900px 460px at 80% -20%, rgba(92, 138, 110, 0.14), transparent 64%),
    radial-gradient(ellipse 700px 400px at -10% 110%, rgba(217, 227, 236, 0.4), transparent 65%),
    transparent;
}
.hero-bg-lesson {
  background:
    radial-gradient(ellipse 900px 460px at 80% -20%, var(--room-wash), transparent 64%),
    radial-gradient(ellipse 700px 400px at -10% 110%, rgba(231, 220, 203, 0.8), transparent 65%),
    transparent;
}

.hero-bg .course-hero-inner,
.hero-bg .lesson-hero-inner,
.hero-centered .course-hero-inner,
.hero-centered .lesson-hero-inner,
.hero-bg .course-hero-inner.local-hero-with-art,
.hero-bg .lesson-hero-inner.local-hero-with-art,
.hero-centered .course-hero-inner.local-hero-with-art,
.hero-centered .lesson-hero-inner.local-hero-with-art {
  grid-template-columns: minmax(0, 920px);
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 0;
}
.course-hero.hero-centered,
.lesson-hero.hero-centered {
  min-height: 340px;
  display: grid;
  place-items: center;
  padding-top: calc(var(--nav-height) - 20px);
  padding-bottom: 48px;
}
.hero-bg .course-hero-text, .hero-bg .lesson-hero-text,
.hero-centered .course-hero-text, .hero-centered .lesson-hero-text {
  max-width: 920px;
  margin: 0 auto;
}
.hero-bg .course-hero-desc, .hero-bg .lesson-hero-desc, .hero-bg .course-hero p,
.hero-centered .course-hero-desc, .hero-centered .lesson-hero-desc,
.hero-centered .course-hero p {
  margin-left: auto;
  margin-right: auto;
}
.hero-bg .course-meta-row, .hero-bg .hero-actions,
.hero-centered .course-meta-row, .hero-centered .hero-actions {
  justify-content: center;
}
.lesson-hero.hero-centered .lesson-hero-desc { margin-bottom: 0; }

/* Hero with side art (course landing pages) */
.course-hero.has-hero-art.hero-centered .course-hero-inner {
  grid-template-columns: minmax(0, 1fr) minmax(240px, 340px);
  text-align: left;
  gap: 3rem;
}
.course-hero.has-hero-art.hero-centered .course-hero-text {
  max-width: 760px;
  margin: 0;
}
.course-hero.has-hero-art.hero-centered .course-hero-desc,
.course-hero.has-hero-art.hero-centered .course-hero p {
  margin-left: 0;
  margin-right: 0;
}
.course-hero.has-hero-art.hero-centered .course-meta-row,
.course-hero.has-hero-art.hero-centered .hero-actions {
  justify-content: flex-start;
}
.course-hero-art {
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 1;
}
.course-hero-art img {
  width: 100%; max-width: 340px; max-height: 320px;
  object-fit: contain; display: block;
  filter: drop-shadow(0 16px 36px rgba(36, 54, 74, 0.22));
}

/* Plain lesson heroes (no .hero-bg) center themselves */
.lesson-hero:not(.hero-bg) {
  min-height: 340px;
  display: grid;
  place-items: center;
  padding-top: calc(var(--nav-height) - 20px);
  padding-bottom: 48px;
}
.lesson-hero:not(.hero-bg) .lesson-hero-inner,
.lesson-hero:not(.hero-bg) .lesson-hero-inner.local-hero-with-art {
  grid-template-columns: minmax(0, 920px);
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 0;
}
.lesson-hero:not(.hero-bg) .lesson-hero-text,
.lesson-hero:not(.hero-bg) .lesson-hero-copy {
  max-width: 920px;
  margin: 0 auto;
}
.lesson-hero:not(.hero-bg) .lesson-hero-desc {
  margin-left: auto; margin-right: auto; margin-bottom: 0;
}

/* Retired art-slot guards — older pages still contain these wrappers */
.lesson-hero-art-slot,
.page-hero-art-slot {
  display: none !important;
}
.page-hero.local-hero-with-art,
.page-hero-inner.local-hero-with-art,
.quiz-hero-inner.local-hero-with-art,
.game-hero-inner.local-hero-with-art {
  grid-template-columns: minmax(0, 920px);
  justify-content: center;
  text-align: center;
  gap: 0;
}

/* Hero meta — quiet editorial meta line */
.course-meta-row {
  display: flex; flex-wrap: nowrap; column-gap: 0; row-gap: 0.5rem;
  margin: 1.5rem 0 2rem;
}
.meta-item {
  display: inline-flex; align-items: center;
  background: transparent;
  border-right: 1px solid var(--blue-secondary);
  padding: 0 0.75rem;
  font-size: var(--text-xs); color: var(--leather-dark);
  white-space: nowrap;
}
.meta-item:first-child { padding-left: 0; }
.meta-item:last-child { border-right: 0; padding-right: 0; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 760px) {
  .course-meta-row { flex-wrap: wrap; }
  .course-hero.has-hero-art.hero-centered .course-hero-inner {
    grid-template-columns: minmax(0, 920px);
    text-align: center;
    gap: 1.5rem;
  }
  .course-hero.has-hero-art.hero-centered .course-hero-text {
    max-width: 920px; margin: 0 auto;
  }
  .course-hero.has-hero-art.hero-centered .course-hero-desc,
  .course-hero.has-hero-art.hero-centered .course-hero p {
    margin-left: auto; margin-right: auto;
  }
  .course-hero.has-hero-art.hero-centered .course-meta-row,
  .course-hero.has-hero-art.hero-centered .hero-actions {
    justify-content: center;
  }
  .course-hero.has-hero-art .course-hero-art { display: none; }
  .course-hero.hero-centered, .lesson-hero.hero-centered,
  .lesson-hero:not(.hero-bg) {
    min-height: 300px;
    padding: 40px var(--page-pad);
    padding-top: calc(var(--nav-height) + 16px);
  }
  .course-hero h1, .lesson-hero-title { max-width: 100%; }
  .course-hero p, .course-hero-desc, .lesson-hero-desc {
    font-size: 0.97rem; line-height: 1.65;
  }
}


/* -- 3. The card system -------------------------------------------------------
   ONE baseline, three variants:
   solid (default)  — interactive objects: games, quizzes, flip cards, visuals
   quiet            — reading content: de-boxed, editorial (no shadow, no fill)
   glass            — rails & panels that float over the atmosphere
   Legacy class names below are mapped onto these variants — do not invent
   new card classes; reuse one of these. */
:where(.module-card, .term-card, .visual-card, .game-panel,
       .quiz-panel, .result-panel, .outcome-item, .concept-card,
       .hero-card, .track-card) {
  background: var(--soft-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-rest);
}

/* quiet — editorial reading blocks (de-boxed) */
:where(.lesson-intro-card) {
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

/* glass — floating panels over the atmosphere */
:where(.module-sidebar, .key-terms, .lesson-notes, .whats-next) {
  background: rgba(252, 250, 247, 0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-rest);
}

/* Shared interactive hover — identical on every hoverable card */
:where(.module-card, .course-module, .module-item):hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-raised);
  border-color: rgba(127, 152, 178, 0.48);
}

/* Nested surfaces — white cards/buttons sitting INSIDE a large white panel
   get the ambient halo (--shadow-nested) so they read as their own layer
   instead of blending into the parent. ONE rule, applied platform-wide:
   - parents: every white container panel (lesson visuals, games, quizzes)
   - children: any *-card class, plus the recurring white option/choice
     buttons used across course games. Course pages must NOT redefine
     box-shadow on these inline — this rule is the single source of truth.
   Note: both [class$="-card"] AND [class*="-card "] are required — the
   attribute selector tests the full class string, so a card that also
   carries another class (e.g. "pattern-card motion-reveal") only matches
   the [class*="-card "] form. */
:where(.visual-card, .game-panel, .quiz-panel, .game-shell, .game-card,
       .game-play-area, .quiz-card, .key-terms)
  :where([class$="-card"], [class*="-card "]):not(.visual-card):not(.lesson-intro-card):not(.flip-card):not(.game-intro-card),
.visual-card .flip-front,
.visual-card .flip-back,
:where(.visual-card, .game-panel, .quiz-panel, .game-shell, .game-card,
       .game-play-area, .quiz-card)
  :where(.game-option, .choice-btn, .opt-btn, .ans-btn, .region-btn,
         .bucket-btn, .step-tile, .choice, .prompt, .word-bank-wrap,
         .mem-card-front, .mem-front, .mem-back) {
  border: 1px solid var(--border-mid);
  box-shadow: var(--shadow-nested);
}
.quiz-panel .answer-btn {
  border: 1px solid var(--border-mid);
  box-shadow: var(--shadow-nested);
}
.answer-btn {
  border: 1px solid var(--border-mid);
  box-shadow: var(--shadow-nested);
}

/* White intro/instruction cards that sit directly on the cream page
   (Training Barn intros, game intros) lift with the standard rest shadow —
   identical treatment to every other top-level card. */
.barn-intro,
.game-intro-card {
  box-shadow: var(--shadow-rest);
}

/* Legacy surface registry — older course pages defined these one-off
   classes in page-level <style> blocks before the shared elevation system
   existed. They are registered here so every one of them receives the
   standard treatment without per-page CSS. Do NOT add to these lists for
   new pages — new pages must use the standard card classes above. */

/* a) top-level white surfaces sitting on the cream page → rest shadow */
.game-header,
.term-queue,
.crossword-shell,
.view-art,
.study-note,
.tree-card,
.region-btn,
.reference-term,
.no-results {
  box-shadow: var(--shadow-rest);
}

/* b) white surfaces nested inside a white panel → ambient halo */
.timeline-step,
.callout-item,
.game-box,
.compare-panel,
.discipline-visual,
.compare-intro,
.scenario-intro,
.ws-word-panel,
.ws-reset,
.correct-order-reveal,
.check-item {
  box-shadow: var(--shadow-nested);
}


/* -- 4. Module cards (grid) -------------------------------------------------- */
.module-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem;
}
.module-card {
  min-height: 210px; padding: 1.2rem; text-decoration: none;
  color: inherit; display: flex; flex-direction: column;
  justify-content: space-between;
  transition: transform var(--motion-quick) var(--ease),
              box-shadow var(--motion-quick) var(--ease),
              border-color var(--motion-quick) var(--ease);
}
.module-icon {
  width: 42px; height: 42px; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--blue-secondary), var(--blue-primary));
  color: var(--white); display: flex; align-items: center;
  justify-content: center; font-weight: 800; margin-bottom: 0.85rem;
}
.module-card h3 {
  font-family: var(--font-display); font-size: 1.1rem;
  line-height: 1.2; margin-bottom: 0.45rem;
}
.module-card p {
  color: var(--body-text); line-height: 1.55; font-size: 0.88rem;
}
.module-footer {
  display: flex; justify-content: space-between;
  color: var(--muted-text); font-size: var(--text-xs); margin-top: 1rem;
}


/* -- 5. Module list (rows) --------------------------------------------------- */
.module-list {
  display: flex; flex-direction: column; gap: 0.75rem;
}
.course-module {
  background: var(--soft-white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1rem 1.25rem;
  display: grid; grid-template-columns: 44px 1fr auto 24px;
  gap: 1rem; align-items: center; text-decoration: none;
  box-shadow: var(--shadow-rest);
  transition: transform var(--motion-quick) var(--ease),
              box-shadow var(--motion-quick) var(--ease),
              border-color var(--motion-quick) var(--ease);
}
.module-item {
  background: var(--soft-white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.25rem;
  display: flex; align-items: center; gap: 1rem;
  text-decoration: none; cursor: pointer; color: inherit;
  box-shadow: var(--shadow-rest);
  transition: transform var(--motion-quick) var(--ease),
              border-color var(--motion-quick) var(--ease),
              box-shadow var(--motion-quick) var(--ease);
}
.module-info { flex: 1; min-width: 0; }
.module-num, .sidebar-num {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--soft-white); border: 1.5px solid var(--border-mid);
  color: var(--muted-text); font-family: var(--font-display);
  font-weight: 800; display: flex; align-items: center;
  justify-content: center; font-size: 0.85rem; flex-shrink: 0;
}
.module-item .module-num {
  background: var(--blue-primary); color: var(--white);
  border-color: var(--blue-primary); width: 32px; height: 32px; font-size: 0.8rem;
}
.course-module:first-child .module-num {
  background: var(--tan); border-color: var(--tan); color: var(--white);
}
.module-title {
  font-size: 1rem; font-weight: 700;
  color: var(--heading); margin-bottom: 0.2rem;
}
.module-desc {
  font-size: 0.88rem; color: var(--body-text); line-height: 1.55;
}
.module-type, .module-duration {
  font-size: var(--text-xs); color: var(--muted-text);
  white-space: nowrap; flex-shrink: 0;
}
.module-arrow {
  color: var(--room-accent); font-weight: 800; font-size: 1.1rem; flex-shrink: 0;
}


/* -- 6. Section header — editorial opener ------------------------------------ */
.section-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 1rem; margin-bottom: 1.4rem;
}
.section-label {
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 2px;
  color: var(--room-accent); text-transform: uppercase; margin-bottom: 0.4rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl); color: var(--heading);
  margin-bottom: 0.75rem;
}
.section-desc, .section-sub {
  color: var(--body-text); line-height: 1.65;
  max-width: var(--measure); font-size: 0.95rem; margin-bottom: 2rem;
}


/* -- 7. Outcomes, concepts, terms, lesson content ----------------------------- */
.outcomes-grid, .term-grid, .concept-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0.85rem;
}
.outcome-item {
  display: flex; align-items: flex-start; gap: 8px; padding: 0.85rem 1rem;
  color: var(--body-text); line-height: 1.55; font-size: 0.9rem;
}
.outcome-check {
  color: var(--room-accent); font-weight: 800; flex-shrink: 0; margin-top: 1px;
}
.concept-card { padding: 1.1rem; }
.concept-card img {
  /* uniform card image regardless of source aspect ratio (e.g. 4:3 vs the square
     trail-riding photo); courses with a per-page override keep it (higher specificity) */
  width: 100%; height: 200px; object-fit: cover; display: block;
}
.concept-card span {
  display: block; color: var(--room-accent); font-size: var(--text-xs);
  font-weight: 700; letter-spacing: 1.3px; text-transform: uppercase;
  margin-bottom: 0.45rem;
}
.concept-card h3, .term-card h4 {
  font-family: var(--font-display); font-size: 1.05rem;
  color: var(--heading); line-height: 1.25; margin-bottom: 0.35rem;
}
.concept-card p, .term-card p {
  color: var(--body-text); font-size: 0.92rem; line-height: 1.6;
}
.concept-card p + p,
.term-card p + p {
  margin-top: 0.75rem;
}

/* Reading blocks — lesson-intro is editorial prose, not a box */
.lesson-intro-card { padding: 0.5rem 0 0; max-width: var(--measure); }
.lesson-intro-card h2 {
  font-family: var(--font-display); font-size: var(--text-xl);
  color: var(--heading); margin-bottom: 1rem;
}
.lesson-intro-card p {
  color: var(--body-text); font-size: var(--text-md);
  line-height: 1.75; margin-bottom: 0.9rem;
}

/* Interactive / visual blocks stay carded */
.visual-card, .game-panel, .quiz-panel, .result-panel { padding: 1.75rem; }
.visual-card h2, .game-panel h2, .quiz-panel h2, .result-panel h2,
.key-terms h3, .lesson-notes h3 {
  font-family: var(--font-display); font-size: 1.25rem;
  color: var(--heading); margin-bottom: 1rem;
  padding-bottom: 0.8rem; border-bottom: 1px solid var(--border);
}
.visual-card p, .game-panel p, .quiz-panel p {
  color: var(--body-text); line-height: 1.75; margin-bottom: 0.9rem;
}
.visual-card p:last-child, .game-panel p:last-child, .quiz-panel p:last-child {
  margin-bottom: 0;
}
/* Bullet/number lists inside reading and content cards — spacing to match prose */
.lesson-intro-card ul, .lesson-intro-card ol,
.visual-card ul, .visual-card ol,
.game-panel ul, .quiz-panel ul {
  margin: 0 0 1rem; padding-left: 1.4rem;
  color: var(--body-text); line-height: 1.75;
}
.lesson-intro-card li, .lesson-intro-card ol li,
.visual-card li, .visual-card ol li,
.game-panel li, .quiz-panel li {
  margin-bottom: 0.5rem;
}
.lesson-intro-card li:last-child, .visual-card li:last-child,
.game-panel li:last-child, .quiz-panel li:last-child {
  margin-bottom: 0;
}
.key-terms, .lesson-notes { padding: 1.5rem; }

.key-term-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0.9rem;
}
.term-card { padding: 1rem; }
.term-card h4 { color: var(--heading); font-size: 0.95rem; margin-bottom: 0.35rem; }
.term-card p { color: var(--body-text); font-size: 0.9rem; line-height: 1.6; }
.term-name {
  font-family: var(--font-display); color: var(--heading);
  font-size: 1.05rem; margin-bottom: 0.25rem;
}
.term-def {
  color: var(--body-text); line-height: 1.6; font-size: 0.92rem;
}

/* Part-grid — labeled body-region cards (e.g. "Front Leg / Knee") used on
   anatomy overview pages. Standardized here so every instance shares one
   gap and breakpoint. */
.part-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0.75rem;
  margin-top: 0.5rem;
}
.part-item {
  background: var(--soft-white); border: 1px solid var(--border-mid);
  border-left: 3px solid var(--tan); border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow-rest);
}
.part-item h3 {
  font-family: var(--font-display); color: var(--heading);
  font-size: 1rem; margin-bottom: 0.2rem;
}
.part-item p {
  color: var(--body-text); font-size: 0.84rem; line-height: 1.55; margin: 0;
}
.part-region {
  display: block; font-size: 0.62rem; font-weight: 800; letter-spacing: 1px;
  text-transform: uppercase; color: var(--tan); margin-bottom: 0.18rem;
}
@media (max-width: 640px) {
  .part-grid { grid-template-columns: 1fr; }
}

/* Vocab-grid — simple term/definition cards (no category tag), used on
   anatomy region tabs. */
.vocab-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0.65rem;
  margin-top: 1.5rem;
}
.vocab-card {
  background: var(--soft-white); border: 1px solid var(--border-mid);
  border-radius: var(--radius); padding: 0.85rem 1rem;
  box-shadow: var(--shadow-rest);
}
.vocab-term {
  font-family: var(--font-display); font-size: 0.95rem; color: var(--heading);
  font-weight: 700; margin-bottom: 0.35rem;
}
.vocab-def {
  font-size: 0.83rem; color: var(--body-text); line-height: 1.6;
}
@media (max-width: 620px) {
  .vocab-grid { grid-template-columns: 1fr; }
}

.notes-list {
  list-style: none; display: flex; flex-direction: column; gap: 0.85rem;
  margin: 0.5rem 0 1.1rem;
}
.notes-list:last-child { margin-bottom: 0; }
.notes-list li {
  position: relative; padding-left: 1.35rem;
  color: var(--body-text); line-height: 1.65; font-size: 0.94rem;
}
.notes-list li::before {
  content: ''; position: absolute; left: 0; top: 0.65em;
  width: 8px; height: 8px; border-radius: 50%; background: var(--room-accent);
}
.notes-list li strong, .notes-body strong {
  color: var(--heading); font-weight: 700;
}
.notes-body { color: var(--body-text); line-height: 1.7; }
.notes-highlight {
  background: var(--room-wash); border-left: 3px solid var(--room-accent);
  padding: 0.9rem 1.1rem; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 1rem; color: var(--heading);
  line-height: 1.6; font-size: 0.9rem;
}


/* -- 8. Sidebar — soft-glass journey rail ------------------------------------ */
.module-sidebar { overflow: hidden; }
.module-sidebar-header {
  background: transparent; padding: 1rem 1.25rem; display: flex;
  align-items: center; justify-content: space-between; gap: 1rem;
  border-bottom: 1px solid var(--border);
}
.module-sidebar-header h3 {
  font-family: var(--font-display);
  font-size: 1.02rem; font-weight: 700; color: var(--heading);
}
.module-sidebar-header a {
  font-size: 0.82rem; color: var(--blue-primary);
  text-decoration: none; white-space: nowrap;
}
.module-sidebar-header a:hover { color: var(--leather); }

/* Progress — the trail fill */
.sidebar-progress {
  padding: 0.9rem 1.25rem; border-bottom: 1px solid var(--border);
}
.sidebar-progress-track {
  height: 6px; background: rgba(36, 54, 74, 0.07); border-radius: 999px; overflow: hidden;
}
.sidebar-progress-fill {
  height: 100%; background: var(--room-accent); border-radius: 999px;
  transition: width var(--motion-soft) var(--ease);
}
.sidebar-progress-label {
  margin-top: 0.5rem; font-size: var(--text-xs); color: var(--muted-text);
  font-weight: 600; letter-spacing: 0.2px;
}

/* The journey trail — stops connected by a path */
.module-sidebar-list {
  list-style: none; max-height: 430px; overflow-y: auto;
  position: relative;
}
.module-sidebar-list::before {
  content: ''; position: absolute;
  left: calc(1.25rem + 12px); top: 22px; bottom: 22px;
  width: 2px;
  background: repeating-linear-gradient(
    180deg, var(--border-mid) 0 6px, transparent 6px 11px);
  pointer-events: none;
}
.sidebar-module {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.8rem 1.25rem;
  border-left: 3px solid transparent;
  text-decoration: none;
  position: relative;
  transition: background var(--motion-quick) var(--ease),
              border-color var(--motion-quick) var(--ease);
}
.sidebar-module:hover { background: rgba(36, 54, 74, 0.04); }
.sidebar-module.active {
  background: var(--room-wash); border-left: 3px solid var(--room-accent);
}
.sidebar-num {
  width: 26px; height: 26px; font-size: 0.72rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 999px; flex-shrink: 0;
  background: var(--soft-white); border: 1.5px solid var(--border-mid);
  color: var(--muted-text); font-weight: 700;
  position: relative; z-index: 1;
}
.sidebar-module.active .sidebar-num {
  background: var(--room-accent); border-color: var(--room-accent); color: var(--white);
}
.sidebar-module.is-complete .sidebar-num {
  background: var(--success); border-color: var(--success); color: var(--white);
}
.sidebar-module-info { flex: 1; min-width: 0; }
.sidebar-module-title {
  font-size: 0.9rem; font-weight: 600; color: var(--heading);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-module-type {
  font-size: var(--text-xs); color: var(--muted-text); margin-top: 2px;
}


/* -- 9. Whats-next ------------------------------------------------------------ */
.whats-next { padding: 1.25rem; }
.whats-next h3 {
  font-size: var(--text-xs); font-weight: 700;
  color: var(--muted-text); text-transform: uppercase;
  letter-spacing: 1.4px; margin-bottom: 0.75rem;
}
.next-lesson-title {
  font-family: var(--font-display); font-size: 1.15rem;
  color: var(--heading); margin-bottom: 0.5rem;
}
.next-lesson-desc {
  font-size: 0.9rem; color: var(--body-text);
  line-height: 1.6; margin-bottom: 1rem;
}


/* -- 10. Hero card (course landing side panel) -------------------------------- */
.hero-card {
  overflow: hidden; box-shadow: var(--shadow-float);
  position: relative; z-index: 2;
}
.hero-card-image {
  min-height: 180px; background: var(--cream-secondary);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.hero-card-image img {
  width: 100%; max-width: 260px; height: auto;
  filter: drop-shadow(0 12px 26px rgba(36, 54, 74, 0.14));
}
.hero-card-top {
  background: var(--blue-primary); border-bottom: 2px solid var(--tan);
  padding: 1.35rem; text-align: center;
}
.hero-card-title {
  font-family: var(--font-display); font-size: 2.1rem;
  color: var(--white); line-height: 1;
}
.hero-card-sub {
  font-size: var(--text-xs); color: rgba(255,255,255,0.78); margin-top: 0.35rem;
}
.hero-card-body { padding: 1.35rem; }
.hero-card-body ul {
  list-style: none; display: grid; gap: 0.75rem;
}
.hero-card-body li {
  font-size: 0.86rem; color: var(--body-text); line-height: 1.5;
}
.hero-card-body li::before {
  content: '✓'; color: var(--success); font-weight: 800; margin-right: 0.45rem;
}


/* -- 11. Flip cards ----------------------------------------------------------- */
.flip-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem;
}
.flip-card {
  min-height: 170px; perspective: 1000px; border: 0;
  background: transparent; cursor: pointer;
  font-family: var(--font-body); text-align: left;
}
.flip-inner {
  position: relative; height: 100%;
  transform-style: preserve-3d; transition: transform 0.26s var(--ease);
}
.flip-card.flipped .flip-inner { transform: rotateY(180deg); }
.flip-front, .flip-back {
  position: absolute; inset: 0; backface-visibility: hidden;
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  background: var(--soft-white); padding: 1rem;
  display: flex; flex-direction: column; justify-content: center;
  box-shadow: var(--shadow-rest);
}
.flip-front h3, .flip-back h3 {
  font-family: var(--font-display); margin-bottom: 0.5rem;
}
.flip-front p, .flip-back p {
  color: var(--body-text); line-height: 1.55; font-size: 0.9rem;
}
.flip-back {
  transform: rotateY(180deg); background: var(--blue-light);
  border-color: rgba(127, 152, 178, 0.4);
}


/* -- 11b. Lesson tab system ------------------------------------------------------
   THE canonical tab pattern (modeled on the Face Markings lesson):
     <div class="lesson-intro-card"> intro </div>          ← above, never inside
     <div class="tab-system" id="...">
       <div class="tab-bar" role="tablist"> .tab-btn[aria-controls] … </div>
       <div class="tab-panel active" id="...">
         <div class="tab-intro"> short description </div>
         <div class="visual-card"> tab content </div>
       </div> …
     </div>
     <div class="tab-bar tab-bar--jump"> .tab-btn[data-jump-target] … </div>
   Switching + jump-scroll behavior is wired globally by layout.js
   (window.switchTab / window.jumpToTab). Do not add per-page tab CSS or JS. */
.tab-system {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.tab-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  gap: 0.5rem;
  background: var(--soft-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.4rem;
  box-shadow: var(--shadow-rest);
}
.tab-btn,
.part-tab,
.saddle-view-tab {
  min-height: 48px;
  border: 0;
  border-radius: var(--radius);
  background: var(--cream-bg);
  color: var(--body-text);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 800;
  line-height: 1.25;
  padding: 0.85rem 1rem;
  transition: background var(--motion-quick) var(--ease),
              color var(--motion-quick) var(--ease),
              box-shadow var(--motion-quick) var(--ease);
}
.tab-btn.active,
.part-tab.active,
.saddle-view-tab.active {
  background: var(--blue-primary);
  color: var(--white);
  box-shadow: none;
}
.tab-btn:not(.active):hover,
.part-tab:not(.active):hover,
.saddle-view-tab:not(.active):hover {
  background: rgba(36, 54, 74, 0.06);
  color: var(--heading);
}
.tab-panel,
.part-panel {
  display: none;
}
.tab-panel.active,
.part-panel.active {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.tab-intro {
  padding: 1.25rem 1.5rem;
  background: rgba(252, 250, 247, 0.7);
  border-left: 3px solid var(--room-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--body-text);
  line-height: 1.7;
}
.tab-bar--jump {
  margin-bottom: 1.5rem;
}
.lesson-intro-card + .tab-system {
  margin-top: 0.5rem;
}
/* Tabs always stay on ONE line — buttons compress on smaller screens */
@media (max-width: 900px) {
  .tab-btn, .part-tab, .saddle-view-tab {
    font-size: 0.74rem;
    padding: 0.6rem 0.4rem;
    min-height: 42px;
  }
}
@media (max-width: 560px) {
  .tab-btn, .part-tab, .saddle-view-tab {
    font-size: 0.62rem;
    letter-spacing: 0;
    padding: 0.5rem 0.25rem;
    min-height: 38px;
  }
  .tab-bar {
    gap: 0.3rem;
    padding: 0.3rem;
  }
}


/* -- 12. Quiz ------------------------------------------------------------------ */

/* Legacy .quiz-panel / .answer-btn system (game pages) — kept for compat */
.quiz-panel, .result-panel { margin-bottom: 1.5rem; }
.quiz-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.25rem; }
.result-panel { display: none; text-align: center; }
.result-panel.visible { display: block; }
.result-score { font-family: var(--font-display); font-size: 2.4rem; color: var(--room-accent); }
.answer-btn {
  width: 100%; margin: 0.4rem 0;
  justify-content: flex-start; text-align: left;
  border-radius: var(--radius);
  padding: 0.7rem 1rem; font-weight: 500;
}
.answer-btn.correct {
  background: var(--success-bg); border-color: var(--success-bd); color: var(--success);
}
.answer-btn.wrong {
  background: var(--error-bg); border-color: var(--error-bd); color: var(--error);
}
.answer-btn.disabled { pointer-events: none; opacity: 0.7; }
.quiz-score {
  display: none; margin-top: 1rem; padding: 1rem;
  background: var(--soft-white); border: 1px solid var(--border);
  border-radius: var(--radius); text-align: center;
}
.quiz-score.visible { display: block; }
.quiz-score-num { font-family: var(--font-display); font-size: 2rem; color: var(--room-accent); }
.quiz-score-msg { color: var(--body-text); font-size: 0.9rem; margin-top: 0.25rem; }

/* Quiz card system — .quiz-card pages (test-your-knowledge)
   The card elevation, header chrome, option cards, feedback strip, and
   results panel are defined here once and applied to every quiz page.
   Individual quiz HTML files must NOT carry inline <style> blocks for
   these classes — components.css is the single source of truth. */

/* Required Equine EDU quiz standard:
   - every course quiz uses this shared .quiz-card shell
   - every attempt delivers 15 questions
   - every quiz pulls from a 40-question bank
   - quiz behavior is controlled by assets/js/quiz-standard.js */

/* Container */
.quiz-card {
  background: var(--soft-white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--room-accent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raised);
  overflow: hidden;
}

/* Header row — question counter + live score */
.quiz-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.75rem;
  background: var(--soft-white);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--room-accent);
}

/* Question text */
.quiz-question {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--heading);
  line-height: 1.45;
  padding: 1.75rem 1.75rem 0;
  margin-bottom: 1.4rem;
}

/* Options grid */
.quiz-options {
  display: grid;
  gap: 0.6rem;
  padding: 0 1.75rem;
}

/* Individual answer option — mini card with ambient halo */
.quiz-option {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.95rem 1.2rem;
  border: 1.5px solid var(--border-mid);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.93rem;
  color: var(--heading);
  background: var(--white);
  text-align: left;
  width: 100%;
  font-family: var(--font-body);
  line-height: 1.5;
  box-shadow: var(--shadow-nested);
  transition: background var(--motion-quick) var(--ease),
              border-color var(--motion-quick) var(--ease),
              box-shadow var(--motion-quick) var(--ease),
              transform var(--motion-quick) var(--ease);
}
.quiz-option::before {
  content: '';
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 2px solid var(--border-mid);
  flex-shrink: 0;
  transition: background var(--motion-quick) var(--ease),
              border-color var(--motion-quick) var(--ease);
}
.quiz-option:hover:not(:disabled) {
  background: var(--cream-secondary);
  border-color: var(--tan);
  box-shadow: var(--shadow-rest);
  transform: translateY(-1px);
}
.quiz-option:hover:not(:disabled)::before {
  background: var(--tan);
  border-color: var(--tan);
}
.quiz-option.correct-ans {
  background: var(--success-bg);
  border-color: var(--success-bd);
  color: var(--success);
}
.quiz-option.correct-ans::before {
  background: var(--success);
  border-color: var(--success);
}
.quiz-option.wrong-ans {
  background: var(--error-bg);
  border-color: var(--error-bd);
  color: var(--error);
}
.quiz-option.wrong-ans::before {
  background: var(--error);
  border-color: var(--error);
}
.quiz-option:disabled { cursor: default; }

/* Feedback strip — shown after answering */
.quiz-feedback {
  display: none;
  margin: 1rem 1.75rem 0;
  font-size: 0.87rem;
  line-height: 1.65;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius);
}
.quiz-feedback.show { display: block; }
.quiz-feedback.correct {
  background: var(--success-bg);
  color: var(--success);
  border-left: 3px solid var(--success);
}
.quiz-feedback.incorrect {
  background: var(--error-bg);
  color: var(--error);
  border-left: 3px solid var(--error);
}

/* Next Question button row — uses .actions from game.css; padding wrapper */
.quiz-card .actions {
  padding: 1.25rem 1.75rem 1.75rem;
  margin: 0;
  max-width: none;
}
.quiz-card .actions button.primary {
  border-radius: var(--radius);
  font-size: 0.9rem;
  padding: 0.85rem 1.5rem;
}

/* Results panel */
.quiz-score-panel {
  background: var(--heading);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  display: none;
  margin-top: 1.5rem;
  box-shadow: var(--shadow-raised);
}
.quiz-score-panel.show { display: block; }
.score-number {
  font-family: var(--font-display);
  font-size: 3.4rem;
  color: var(--tan);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.score-label {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 1.1rem;
}
.score-message {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 400px;
  margin: 0 auto 1.75rem;
}
.btn-retake {
  background: var(--tan);
  color: var(--white);
  border: none;
  padding: 0.85rem 2.2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--motion-quick) var(--ease),
              transform var(--motion-quick) var(--ease);
}
.btn-retake:hover {
  background: var(--leather);
  transform: translateY(-1px);
}

@media (max-width: 760px) {
  .quiz-question { font-size: 1.1rem; padding: 1.25rem 1.25rem 0; }
  .quiz-top { padding: 0.75rem 1.25rem; }
  .quiz-options { padding: 0 1.25rem; }
  .quiz-feedback { margin: 0.85rem 1.25rem 0; }
  .quiz-card .actions { padding: 1rem 1.25rem 1.25rem; }
}

/* Show-your-knowledge format — all questions visible, submit at end.
   Shares the score panel treatment above; unique layout/block styles live here. */
.quiz-layout {
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 2.5rem var(--page-pad) 5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 5rem;
  align-items: start;
}
.quiz-main { min-width: 0; }
.quiz-header { margin-bottom: 2rem; }
.quiz-header h2 {
  font-family: var(--font-display); font-size: 1.6rem;
  color: var(--heading); margin-bottom: 0.5rem;
}
.quiz-header p { color: var(--body-text); font-size: 0.9rem; line-height: 1.7; }

/* Individual question block — same elevated card feel as .quiz-card */
.q-block {
  background: var(--soft-white);
  border: 1px solid var(--border);
  border-left: 3px solid var(--room-accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-rest);
  transition: border-color var(--motion-quick) var(--ease),
              box-shadow var(--motion-quick) var(--ease);
}
.q-number {
  font-size: var(--text-xs); font-weight: 800;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--room-accent); margin-bottom: 0.6rem;
}
.q-text {
  font-size: 0.97rem; font-weight: 600;
  color: var(--heading); line-height: 1.5; margin-bottom: 1rem;
}
.q-options { display: grid; gap: 0.5rem; }

/* Answer option — consistent with .quiz-option */
.q-option {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  border: 1.5px solid var(--border-mid);
  border-radius: var(--radius);
  cursor: pointer; font-size: 0.9rem; color: var(--heading);
  background: var(--white); text-align: left; width: 100%;
  font-family: var(--font-body); font-weight: 600; line-height: 1.5;
  box-shadow: var(--shadow-nested);
  transition: background var(--motion-quick) var(--ease),
              border-color var(--motion-quick) var(--ease),
              transform var(--motion-quick) var(--ease);
}
.q-option::before {
  content: ''; width: 10px; height: 10px; border-radius: 50%;
  border: 2px solid var(--border-mid); flex-shrink: 0;
  transition: background var(--motion-quick) var(--ease),
              border-color var(--motion-quick) var(--ease);
}
.q-option:hover:not(:disabled) {
  background: var(--cream-secondary); border-color: var(--tan);
  transform: translateY(-1px);
}
.q-option:hover:not(:disabled)::before { background: var(--tan); border-color: var(--tan); }
.q-option.selected {
  border-color: var(--heading); background: var(--heading); color: var(--white);
}
.q-option.selected::before { background: var(--white); border-color: var(--white); }
.q-option.correct-ans { border-color: var(--success-bd); background: var(--success-bg); color: var(--success); }
.q-option.correct-ans::before { background: var(--success); border-color: var(--success); }
.q-option.wrong-ans { border-color: var(--error-bd); background: var(--error-bg); color: var(--error); }
.q-option.wrong-ans::before { background: var(--error); border-color: var(--error); }
.q-option:disabled { cursor: default; }

.q-feedback {
  display: none; margin-top: 0.85rem; font-size: 0.85rem;
  line-height: 1.65; padding: 0.75rem 1rem; border-radius: var(--radius);
}
.q-feedback.show { display: block; }
.q-feedback.correct { background: var(--success-bg); color: var(--success); border-left: 3px solid var(--success); }
.q-feedback.incorrect { background: var(--error-bg); color: var(--error); border-left: 3px solid var(--error); }

/* Submit row */
.quiz-submit-row { margin-top: 1.5rem; }
.btn-submit {
  background: var(--heading); color: var(--white); border: none;
  padding: 0.85rem 2rem; border-radius: var(--radius);
  font-family: var(--font-body); font-weight: 700; font-size: 0.9rem;
  cursor: pointer; transition: opacity var(--motion-quick) var(--ease);
}
.btn-submit:hover { opacity: 0.88; }

@media (max-width: 1050px) {
  .quiz-layout { grid-template-columns: 1fr; gap: 2rem; }
}


/* -- 13. Diagram stage (interactive lesson visuals) ---------------------------- */
.diagram-stage {
  min-height: 360px;
  background: var(--white);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  position: relative; overflow: hidden; padding: 1rem;
}
.visual-instructions {
  color: var(--body-text); line-height: 1.65; margin-bottom: 1rem;
}


/* -- 14. Card imagery — lifted off the card, pops on hover ---------------------
   Course cards (All Courses page) and activity tiles (Training Barn pages).
   The artwork carries its own warm shadow so it reads as a layer above the
   card; hovering the card scales the image toward the viewer and deepens
   the tile's action button. */
.lesson-card .lesson-card-thumb,
.activity-card .activity-card-image {
  box-shadow: 0 8px 22px rgba(94, 71, 52, 0.26), 0 2px 8px rgba(94, 71, 52, 0.15);
  overflow: hidden;
}
.lesson-card-thumb img,
.lesson-card-thumb svg,
.activity-card-image img,
.activity-card-image svg {
  transition: transform var(--motion-soft) var(--ease);
  will-change: transform;
}
.lesson-card:not(.coming-soon):hover .lesson-card-thumb img,
.lesson-card:not(.coming-soon):hover .lesson-card-thumb svg,
.activity-card:hover .activity-card-image img,
.activity-card:hover .activity-card-image svg {
  transform: scale(1.05);
}

/* Activity tile footer ("Play Now") — same tan button treatment as the
   course-card. */

/* -- 15. Lesson inline components ---------------------------------------------
   Reusable prose-level components for lesson pages (catalog, study, etc.)
   Use these instead of per-page <style> blocks.
   --------------------------------------------------------------------------- */

/* Placeholder image strip (5 decorative boxes on first lesson pages) */
.lesson-mini-strip {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.7rem;
  margin: -0.5rem 0 0.75rem;
}
.strip-placeholder {
  width: 100px;
  height: 118px;
  background: rgba(127,152,178,0.10);
  border-radius: var(--radius);
  border: 1px solid rgba(127,152,178,0.22);
  flex-shrink: 0;
}
@media (max-width: 560px) {
  .lesson-mini-strip { gap: 0.4rem; }
  .strip-placeholder { width: 56px; height: 66px; }
}

/* ee-u-e6b583bc — Did You Know body text (paired with ee-u-36082faa box) */
.ee-u-e6b583bc { font-size: 0.9rem; color: var(--body-text); line-height: 1.65; margin: 0; }

/* Callout bar — "Don't confuse" distinction notes and rule callouts */
.callout-bar {
  background: var(--soft-white);
  border-left: 4px solid var(--tan);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin: 1.25rem 0;
}
.callout-bar p {
  color: var(--body-text);
  font-size: .91rem;
  line-height: 1.65;
  margin: 0;
}
.callout-bar p + p {
  margin-top: 0.75rem;
}
.callout-bar strong {
  color: var(--heading);
}

/* Quick-check — inline details/summary reveal toggle */
.quick-check {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 1rem 0;
  background: var(--white);
  overflow: hidden;
}
.quick-check summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--heading);
  padding: .75rem 1rem;
  font-size: .9rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.quick-check summary::before {
  content: '\25B8';
  font-size: .75rem;
  color: var(--tan);
  flex-shrink: 0;
}
.quick-check[open] summary::before {
  content: '\25BE';
}
.quick-check p {
  padding: .1rem 1rem .85rem;
  color: var(--body-text);
  font-size: .9rem;
  line-height: 1.65;
  margin: 0;
}

/* Barn note — closing "in the barn" context panel */
.barn-note {
  background: var(--soft-white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--heading);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 1.2rem 1.4rem;
  margin: 1.75rem 0;
}
.barn-note h3 {
  font-family: var(--font-display);
  color: var(--heading);
  font-size: 1.05rem;
  margin-bottom: .4rem;
}
.barn-note p {
  color: var(--body-text);
  font-size: .91rem;
  line-height: 1.7;
  margin: 0;
}
.barn-note p + p {
  margin-top: 0.75rem;
}

body[class*="ee-page-courses-"] .concept-card p + p,
body[class*="ee-page-courses-"] .term-card p + p,
body[class*="ee-page-courses-"] .callout-bar p + p,
body[class*="ee-page-courses-"] .barn-note p + p {
  margin-top: 0.75rem;
}

/* ─── Study Guide components ──────────────────────────────────────────────── */

/* How-to-use instruction strip at top of study guide */
.study-rule {
  background: var(--soft-white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--heading);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 1rem 1.25rem;
  margin-bottom: 1.75rem;
}
.study-rule p {
  color: var(--body-text);
  font-size: .93rem;
  line-height: 1.65;
  margin: 0;
}
.study-rule strong {
  color: var(--heading);
}

/* Section divider within the visual-card on study guide pages */
.study-section {
  margin: 2rem 0 .75rem;
}
.study-section h2 {
  font-family: var(--font-display);
  color: var(--heading);
  font-size: 1.2rem;
  margin-bottom: .6rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: .35rem;
}

/* Reveal (prompt → answer) accordion used in study guides */
.reveal {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: .6rem 0;
  background: var(--white);
  overflow: hidden;
}
.reveal summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--heading);
  padding: .75rem 1rem;
  font-size: .92rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.reveal summary::before {
  content: '\25B8';
  font-size: .75rem;
  color: var(--tan);
  flex-shrink: 0;
}
.reveal[open] summary::before {
  content: '\25BE';
}
.reveal p {
  padding: .1rem 1rem .85rem;
  color: var(--body-text);
  font-size: .91rem;
  line-height: 1.65;
  margin: 0;
}

/* Ready panel — bottom CTA linking to test */
.ready-panel {
  background: var(--soft-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.5rem;
  margin: 2rem 0;
}
.ready-panel h3 {
  font-family: var(--font-display);
  color: var(--heading);
  font-size: 1.1rem;
  margin-bottom: .5rem;
}
.ready-panel p {
  color: var(--body-text);
  font-size: .91rem;
  line-height: 1.7;
  margin: 0;
}

/* Course quiz image (image-based Test Your Knowledge questions) */
.quiz-image {
  display: block; max-width: 320px; width: 100%; max-height: 260px;
  object-fit: contain; margin: 0 auto var(--space-5);
  border-radius: var(--radius, 12px); border: 1px solid var(--border); background: var(--cream-bg);
}