/* ==========================================================================
   AutoPortofolio Edukasi Pemula — Design System (Dark Premium Editorial)
   Terinspirasi dari gaya visual public/edukasi/margin-edukasi.php:
   background hampir hitam #0b0c0e, aksen brass-gold #c6a36a, tipografi Inter
   besar dengan tracking rapat, border tipis, minim emoji.
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --edu-bg:            #0b0c0e;
  --edu-surface:       #121418;
  --edu-surface-2:     #171a1f;
  --edu-text:          #f2eee6;
  --edu-text-2:        #d0ccc4;
  --edu-text-3:        #c8c4bb;
  --edu-gold:          #c6a36a;
  --edu-gold-strong:   #d8b87a;
  --edu-border:        rgba(255,255,255,0.10);
  --edu-border-strong: rgba(255,255,255,0.16);
  --edu-success:       #9ebd9b;
  --edu-warning:       #c6a36a;
  --edu-danger:        #d9796b;
  --edu-font:          'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
}

/* ---------- Global theme override (header/footer ikut gelap) ---------- */
:root {
  --background-color: #0b0c0e !important;
  --default-color: #d0ccc4 !important;
  --heading-color: #f2eee6 !important;
  --accent-color: #c6a36a !important;
  --accent-color-rgb: 198,163,106 !important;
  --surface-color: #121418 !important;
  --contrast-color: #f2eee6 !important;
  --light-bg-color: #0b0c0e !important;
  --dark-bg-color: #0b0c0e !important;
  --text-color: #d0ccc4 !important;
  --nav-bg-color: #0b0c0e !important;
  --nav-color: #d0ccc4 !important;
  --nav-mobile-background-color: #0b0c0e !important;
  --nav-dropdown-background-color: #121418 !important;
  --nav-dropdown-color: #d0ccc4 !important;
  --border-light: rgba(255,255,255,0.10) !important;
  --border-medium: rgba(255,255,255,0.16) !important;
  --bs-body-bg: #0b0c0e !important;
  --bs-body-color: #d0ccc4 !important;
  --bs-body-bg-rgb: 11,12,14 !important;
  --bs-emphasis-color: #f2eee6 !important;
  --bs-link-color: #c6a36a !important;
}
html { background: #0b0c0e !important; color: #d0ccc4 !important; }
body {
  background: #0b0c0e !important;
  color: #d0ccc4 !important;
  font-family: var(--edu-font);
}

/* ---------- Reset scoped ---------- */
#edu-app, #edu-app *, #edu-app *::before, #edu-app *::after { box-sizing: border-box; }

/* ---------- App Shell ---------- */
#edu-app {
  font-family: var(--edu-font) !important;
  color: var(--edu-text-2) !important;
  background: var(--edu-bg) !important;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
#edu-app h1, #edu-app h2, #edu-app h3, #edu-app h4 {
  font-family: var(--edu-font) !important;
  font-weight: 700 !important;
  line-height: 1.05;
  letter-spacing: -0.05em;
  color: var(--edu-text) !important;
  margin: 0;
}
#edu-app p { margin: 0 0 1rem; }
#edu-app a { color: var(--edu-gold) !important; text-decoration: none; }
#edu-app a:hover { color: var(--edu-gold-strong) !important; }
#edu-app strong { color: var(--edu-text) !important; font-weight: 700; }
#edu-app em { font-style: italic; color: var(--edu-gold) !important; }

/* ---------- Views ---------- */
.edu-view {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
  animation: eduFadeIn 0.45s ease both;
}
.edu-view[hidden] { display: none !important; }

@keyframes eduFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Eyebrow ---------- */
.edu-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--edu-gold);
}

/* ---------- Buttons ---------- */
.edu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--edu-font);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  padding: 0.95rem 1.7rem;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  min-height: 48px;
  -webkit-tap-highlight-color: transparent;
}
.edu-btn:active { transform: scale(0.98); }

.edu-btn--primary {
  background: var(--edu-gold);
  color: #0b0c0e;
}
.edu-btn--primary:hover { background: var(--edu-gold-strong); color: #0b0c0e; }

.edu-btn--ghost {
  background: transparent;
  color: var(--edu-text-2);
  border: 1px solid var(--edu-border-strong);
}
.edu-btn--ghost:hover { border-color: var(--edu-gold); color: var(--edu-gold); }

.edu-btn--full { width: 100%; }

/* ---------- Landing ---------- */
.edu-landing__hero { padding: 2.5rem 0 2.75rem; }
.edu-landing__title {
  font-size: clamp(2.8rem, 8.5vw, 5.75rem);
  font-weight: 800;
  letter-spacing: -0.07em;
  line-height: 0.95;
  margin: 1.1rem 0 1.25rem;
  max-width: 12em;
}
.edu-landing__title em { font-style: italic; color: var(--edu-gold); }
.edu-landing__subtitle {
  font-size: clamp(1.05rem, 2.2vw, 1.65rem);
  color: var(--edu-text-2);
  max-width: 38rem;
  margin: 0 0 1.75rem;
  line-height: 1.7;
}
.edu-landing__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--edu-text-3);
  margin-top: 1.4rem;
  text-transform: uppercase;
}
.edu-landing__meta span + span::before { content: ''; }
.edu-landing__meta .sep { opacity: 0.5; }

.edu-chapters {
  display: grid;
  gap: 0.75rem;
  margin-top: 2rem;
  border-top: 1px solid var(--edu-border);
  padding-top: 2rem;
}

.edu-chapter-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  width: 100%;
  text-align: left;
  background: linear-gradient(145deg, var(--edu-surface), var(--edu-surface-2));
  border: 1px solid var(--edu-border);
  border-radius: 18px;
  padding: 1.15rem 1.25rem;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  font-family: var(--edu-font);
  color: var(--edu-text-2);
}
.edu-chapter-card:hover, .edu-chapter-card:active {
  border-color: rgba(198,163,106,0.45);
  background: linear-gradient(145deg, #121418, #171a1f);
  transform: translateY(-1px);
}

.edu-chapter-card__icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--edu-border-strong);
  border-radius: 12px;
  color: var(--edu-gold);
  background: rgba(198,163,106,0.06);
}
.edu-chapter-card__icon svg { width: 20px; height: 20px; display: block; }

.edu-chapter-card__body { flex: 1 1 auto; min-width: 0; }
.edu-chapter-card__num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--edu-gold);
}
.edu-chapter-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0.15rem 0 0.1rem;
  color: var(--edu-text);
}
.edu-chapter-card__desc {
  font-size: 0.85rem;
  color: var(--edu-text-3);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.edu-chapter-card__meta {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
}
.edu-chapter-card__status {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  white-space: nowrap;
  border: 1px solid var(--edu-border-strong);
}
.edu-chapter-card__status--done { color: var(--edu-success); border-color: rgba(158,189,155,0.35); }
.edu-chapter-card__status--todo { color: var(--edu-text-3); }
.edu-chapter-card__arrow {
  color: var(--edu-gold);
  font-size: 1.2rem;
  line-height: 1;
}

.edu-landing__autop {
  margin-top: 2.75rem;
  border: 1px solid rgba(198,163,106,0.4);
  border-radius: 16px;
  padding: 1.75rem 1.75rem;
  background: linear-gradient(145deg, rgba(198,163,106,0.06), rgba(198,163,106,0.02));
}
.edu-landing__autop p {
  font-size: 0.95rem;
  color: var(--edu-text-2);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}
.edu-landing__autop p strong { color: var(--edu-gold); font-weight: 600; }
.edu-landing__autop .edu-btn--ghost { border-color: rgba(198,163,106,0.5); color: var(--edu-gold); }

/* ---------- Chapter Header ---------- */
.edu-chapter-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.85rem 0;
  background: rgba(11,12,14,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--edu-border);
  margin: -1.5rem -1.5rem 2rem;
}
.edu-chapter-header__back {
  flex: 0 0 auto;
  width: 44px;
  min-height: 42px;
  padding: 0;
  font-size: 1.5rem;
  border-radius: 999px;
}
.edu-chapter-header__progress {
  flex: 1 1 auto;
  height: 2px;
  background: var(--edu-border);
  border-radius: 999px;
  overflow: hidden;
}
.edu-chapter-header__progress-fill {
  height: 100%;
  width: 0%;
  background: var(--edu-gold);
  border-radius: 999px;
  transition: width 0.5s ease;
}
.edu-chapter-header__badge {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--edu-gold);
  white-space: nowrap;
}

/* ---------- Chapter Content ---------- */
.edu-chapter-content { padding-bottom: 1rem; }

.edu-chapter-hero { margin-bottom: 2.25rem; padding-bottom: 2rem; border-bottom: 1px solid var(--edu-border); }
.edu-chapter-hero__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--edu-border-strong);
  border-radius: 14px;
  color: var(--edu-gold);
  margin-bottom: 1.1rem;
  background: rgba(198,163,106,0.06);
}
.edu-chapter-hero__icon svg { width: 24px; height: 24px; display: block; }
.edu-chapter-hero__num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--edu-gold);
  margin-bottom: 0.6rem;
}
.edu-chapter-hero__title {
  font-size: clamp(2.4rem, 6.5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.95;
  margin-bottom: 0.7rem;
}
.edu-chapter-hero__subtitle {
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  color: var(--edu-text-3);
}

/* ---------- Story Blocks ---------- */
.edu-block {
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.edu-block--visible { opacity: 1; transform: translateY(0); }

.edu-block--story p { font-size: 1.05rem; color: var(--edu-text-2); }
.edu-block--story p:last-child { margin-bottom: 0; }

.edu-block--analogy {
  background: var(--edu-surface);
  border: 1px solid var(--edu-border);
  border-left: 2px solid var(--edu-gold);
  border-radius: 14px;
  padding: 1.25rem 1.4rem;
}
.edu-block--analogy__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--edu-gold);
  margin-bottom: 0.6rem;
}
.edu-block--analogy__head svg { width: 14px; height: 14px; }
.edu-block--analogy p { font-size: 1.05rem; color: var(--edu-text-2); margin: 0; }

.edu-block--principle {
  padding: 0.5rem 0 0.25rem;
  text-align: left;
}
.edu-block--principle__label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--edu-gold);
  margin-bottom: 0.85rem;
}
.edu-block--principle p {
  font-size: clamp(1.6rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--edu-text);
  margin: 0;
  max-width: 18em;
}

.edu-block--list { padding: 0 0.25rem; }
.edu-block--list__title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--edu-gold);
  margin-bottom: 1rem;
}
.edu-block--list ul { list-style: none; padding: 0; margin: 0; }
.edu-block--list li {
  position: relative;
  padding: 0.7rem 0 0.7rem 1.6rem;
  font-size: 1.05rem;
  color: var(--edu-text-2);
  border-bottom: 1px dashed var(--edu-border);
}
.edu-block--list li:last-child { border-bottom: none; }
.edu-block--list li::before {
  content: '';
  position: absolute;
  left: 0.25rem;
  top: 1.15rem;
  width: 6px;
  height: 6px;
  transform: rotate(45deg);
  background: var(--edu-gold);
}

.edu-block--mention {
  border: 1px solid var(--edu-border);
  border-radius: 14px;
  padding: 1.15rem 1.35rem;
  background: rgba(255,255,255,0.02);
}
.edu-block--mention__label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--edu-gold);
  margin-bottom: 0.5rem;
}
.edu-block--mention p {
  font-size: 0.95rem;
  color: var(--edu-text-2);
  margin: 0;
  line-height: 1.7;
}
.edu-block--mention strong { color: var(--edu-gold); font-weight: 600; }

/* ---------- Reveal ---------- */
.edu-block--reveal { cursor: pointer; -webkit-tap-highlight-color: transparent; }
.edu-block--reveal__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-family: var(--edu-font);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--edu-gold);
  background: transparent;
  border: 1px solid rgba(198,163,106,0.4);
  border-radius: 12px;
  padding: 0.95rem 1.2rem;
  width: 100%;
  text-align: left;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.edu-block--reveal__btn:hover { background: rgba(198,163,106,0.06); }
.edu-block--reveal__btn .edu-reveal-chev { transition: transform 0.25s ease; font-size: 0.85rem; }
.edu-block--reveal--open .edu-reveal-chev { transform: rotate(180deg); }
.edu-block--reveal__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease, opacity 0.4s ease;
  opacity: 0;
  padding: 0 1.2rem;
}
.edu-block--reveal--open .edu-block--reveal__body {
  max-height: 800px;
  opacity: 1;
  padding-top: 1rem;
  padding-bottom: 1.2rem;
}
.edu-block--reveal__body p { font-size: 0.98rem; color: var(--edu-text-2); margin: 0; }

/* ---------- Status badges ---------- */
.edu-status-row { display: grid; gap: 0.75rem; margin-top: 1rem; }
.edu-status {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.15rem;
  border-radius: 12px;
  background: var(--edu-surface);
  border: 1px solid var(--edu-border);
}
.edu-status__dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; }
.edu-status--safe .edu-status__dot { background: var(--edu-success); box-shadow: 0 0 0 3px rgba(158,189,155,0.15); }
.edu-status--waspada .edu-status__dot { background: var(--edu-warning); box-shadow: 0 0 0 3px rgba(198,163,106,0.15); }
.edu-status--bahaya .edu-status__dot { background: var(--edu-danger); box-shadow: 0 0 0 3px rgba(217,121,107,0.15); }
.edu-status__text { font-size: 0.92rem; color: var(--edu-text); font-weight: 500; }
.edu-status__text small { display: block; font-size: 0.8rem; color: var(--edu-text-3); font-weight: 400; margin-top: 0.1rem; }

/* ---------- Quiz ---------- */
.edu-quiz-header { margin-bottom: 1.75rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--edu-border); }
.edu-quiz-header h2 {
  font-size: clamp(1.8rem, 5.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  margin: 0.5rem 0 0.35rem;
}
.edu-quiz-progress { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--edu-text-3); }

.edu-quiz-question {
  background: linear-gradient(145deg, var(--edu-surface), var(--edu-surface-2));
  border: 1px solid var(--edu-border);
  border-radius: 18px;
  padding: 1.6rem 1.5rem;
  margin-bottom: 1.25rem;
}
.edu-quiz-question__text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--edu-text);
  margin-bottom: 1.25rem;
  line-height: 1.4;
}
.edu-quiz-options { display: grid; gap: 0.7rem; }
.edu-quiz-option {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  width: 100%;
  text-align: left;
  font-family: var(--edu-font);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--edu-text-2);
  background: transparent;
  border: 1px solid var(--edu-border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  min-height: 48px;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}
.edu-quiz-option:hover { border-color: rgba(198,163,106,0.5); }
.edu-quiz-option__key {
  flex: 0 0 auto;
  width: 1.7rem;
  height: 1.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--edu-gold);
  border: 1px solid rgba(198,163,106,0.4);
  border-radius: 50%;
}
.edu-quiz-option--correct {
  border-color: var(--edu-success);
  background: rgba(158,189,155,0.08);
}
.edu-quiz-option--correct .edu-quiz-option__key { background: var(--edu-success); color: #0b0c0e; border-color: var(--edu-success); }
.edu-quiz-option--wrong {
  border-color: var(--edu-danger);
  background: rgba(217,121,107,0.08);
}
.edu-quiz-option--wrong .edu-quiz-option__key { background: var(--edu-danger); color: #0b0c0e; border-color: var(--edu-danger); }
.edu-quiz-option--disabled { pointer-events: none; }

.edu-quiz-feedback {
  margin-top: 1rem;
  font-size: 0.92rem;
  padding: 0.9rem 1.1rem;
  border-radius: 12px;
  animation: eduFadeIn 0.3s ease both;
}
.edu-quiz-feedback--correct { background: rgba(158,189,155,0.10); color: var(--edu-success); }
.edu-quiz-feedback--wrong { background: rgba(217,121,107,0.10); color: var(--edu-danger); }

.edu-quiz-actions { text-align: center; margin-top: 0.5rem; }

/* ---------- Complete view ---------- */
.edu-complete { text-align: center; padding-top: 2.5rem; }
.edu-complete__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--edu-gold);
  border-radius: 50%;
  color: var(--edu-gold);
  animation: eduPop 0.5s cubic-bezier(0.22, 1.2, 0.36, 1) both;
}
.edu-complete__icon svg { width: 32px; height: 32px; }
@keyframes eduPop {
  from { transform: scale(0.5); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.edu-complete h2 {
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  margin-bottom: 0.75rem;
}
.edu-complete p { color: var(--edu-text-2); max-width: 30rem; margin: 0 auto 1.25rem; font-size: 1.05rem; }
.edu-complete__score {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--edu-success);
  border: 1px solid rgba(158,189,155,0.35);
  padding: 0.5rem 1.2rem;
  border-radius: 999px;
  margin-bottom: 1.75rem;
}
.edu-complete__actions {
  display: grid;
  gap: 0.75rem;
  max-width: 22rem;
  margin: 0 auto;
}

/* ---------- AutoPortofolio CTA ---------- */
.edu-autop-cta {
  margin-top: 2.5rem;
  padding: 2rem 1.75rem;
  border-radius: 18px;
  border: 1px solid rgba(198,163,106,0.4);
  background: linear-gradient(145deg, rgba(198,163,106,0.07), rgba(198,163,106,0.02));
  text-align: center;
}
.edu-autop-cta__text {
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 0 auto 1.4rem;
  max-width: 30rem;
  color: var(--edu-text-2);
}
.edu-autop-cta__text strong { color: var(--edu-gold); font-weight: 600; }
.edu-autop-cta__actions { display: grid; gap: 0.75rem; max-width: 22rem; margin: 0 auto; }
.edu-autop-cta .edu-btn--primary { background: var(--edu-gold); color: #0b0c0e; }
.edu-autop-cta .edu-btn--ghost { border-color: rgba(198,163,106,0.5); color: var(--edu-gold); }

/* ---------- Toast ---------- */
.edu-toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%) translateY(120%);
  background: var(--edu-surface-2);
  color: var(--edu-text);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.8rem 1.3rem;
  border-radius: 999px;
  border: 1px solid var(--edu-border-strong);
  z-index: 999;
  transition: transform 0.35s ease;
  max-width: calc(100vw - 2.5rem);
}
.edu-toast--show { transform: translateX(-50%) translateY(0); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  #edu-app *, #edu-app *::before, #edu-app *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .edu-block { opacity: 1; transform: none; }
}

/* ---------- Tablet / Desktop ---------- */
@media (min-width: 768px) {
  .edu-view { padding: 2.5rem 2.5rem 5rem; }
  .edu-chapter-header { margin: -2.5rem -2.5rem 2.25rem; padding: 1rem 0; }
  .edu-landing__title { font-size: clamp(3.4rem, 8.5vw, 5.75rem); }
  .edu-chapter-card { padding: 1.3rem 1.5rem; }
}

@media (min-width: 1024px) {
  .edu-view { max-width: 800px; }
}

/* ==========================================================================
   Tambahan: skip-link, resume banner, theme toggle, install prompt,
   keyboard cheatsheet, summary block, light mode, print, a11y focus
   ========================================================================== */

/* ---------- Skip-to-content (a11y) ---------- */
.edu-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  background: var(--edu-gold);
  color: #0b0c0e;
  padding: 0.7rem 1.1rem;
  border-radius: 0 0 8px 0;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}
.edu-skip:focus {
  left: 0;
  outline: 2px solid var(--edu-gold-strong);
}

/* ---------- Small button modifier ---------- */
.edu-btn--sm {
  padding: 0.55rem 1.05rem;
  font-size: 0.82rem;
  min-height: 36px;
  letter-spacing: 0.04em;
}

/* ---------- Resume banner ---------- */
.edu-resume {
  max-width: 760px;
  margin: 0 auto;
  margin-top: 0.5rem;
  padding: 0.95rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: linear-gradient(145deg, rgba(198,163,106,0.10), rgba(198,163,106,0.03));
  border: 1px solid rgba(198,163,106,0.45);
  border-radius: 14px;
  animation: eduFadeIn 0.4s ease both;
}
.edu-resume__text { flex: 1 1 auto; min-width: 0; }
.edu-resume__text strong { display: block; color: var(--edu-gold); font-size: 0.95rem; }
.edu-resume__text small { color: var(--edu-text-3); font-size: 0.78rem; }
.edu-resume__actions { display: flex; gap: 0.5rem; flex: 0 0 auto; }

/* ---------- Landing CTA + theme toggle ---------- */
.edu-landing__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.edu-meta-divider { margin-left: auto; }
.edu-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid var(--edu-border-strong);
  color: var(--edu-text-2);
  cursor: pointer;
  font-size: 0.95rem;
  padding: 0;
  transition: border-color 0.18s ease, color 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}
.edu-theme-toggle:hover { border-color: var(--edu-gold); color: var(--edu-gold); }
.edu-theme-toggle__icon { display: block; line-height: 1; }
.edu-landing__glossary {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--edu-text-3);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.edu-landing__glossary:hover { color: var(--edu-gold); border-color: var(--edu-border-strong); }

/* ---------- Chapter footer (replace inline style) ---------- */
.edu-chapter-footer {
  margin-top: 1.75rem;
  text-align: center;
  padding: 0 0.25rem 0.5rem;
}

/* ---------- PWA install prompt ---------- */
.edu-install {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 998;
  background: var(--edu-surface-2);
  border: 1px solid var(--edu-gold);
  border-radius: 16px;
  padding: 1rem 1.15rem;
  box-shadow: 0 12px 32px rgba(0,0,0,0.45);
  animation: eduSlideUp 0.45s cubic-bezier(0.22, 1.2, 0.36, 1) both;
}
.edu-install__inner {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.edu-install__icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: rgba(198,163,106,0.10);
  border-radius: 10px;
}
.edu-install__body { flex: 1 1 auto; min-width: 0; }
.edu-install__body strong { display: block; color: var(--edu-text); font-size: 0.95rem; }
.edu-install__body p { font-size: 0.8rem; color: var(--edu-text-3); margin: 0.1rem 0 0; line-height: 1.5; }
.edu-install__actions { display: flex; flex-direction: column; gap: 0.35rem; flex: 0 0 auto; }
@keyframes eduSlideUp {
  from { transform: translateY(120%); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
@media (min-width: 560px) {
  .edu-install { left: auto; right: 1.5rem; max-width: 22rem; }
  .edu-install__inner { flex-wrap: wrap; }
  .edu-install__actions { flex-direction: row; width: 100%; }
}

/* ---------- Keyboard cheatsheet ---------- */
.edu-keysheet {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(11,12,14,0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: eduFadeIn 0.2s ease both;
}
.edu-keysheet__inner {
  background: var(--edu-surface-2);
  border: 1px solid var(--edu-border-strong);
  border-radius: 18px;
  padding: 1.5rem 1.5rem 1.25rem;
  max-width: 26rem;
  width: 100%;
}
.edu-keysheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--edu-border);
}
.edu-keysheet__head strong { color: var(--edu-text); font-size: 1.05rem; }
.edu-keysheet__close {
  background: transparent;
  border: none;
  color: var(--edu-text-3);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0 0.4rem;
  line-height: 1;
}
.edu-keysheet__close:hover { color: var(--edu-gold); }
.edu-keysheet__list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
}
.edu-keysheet__list > div {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  justify-content: space-between;
}
.edu-keysheet__list dt { margin: 0; display: flex; gap: 0.25rem; flex: 0 0 auto; }
.edu-keysheet__list dd { margin: 0; color: var(--edu-text-2); font-size: 0.88rem; text-align: right; }
.edu-keysheet__divider {
  color: var(--edu-gold);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.4rem 0 0.1rem;
  border-top: 1px dashed var(--edu-border);
}
.edu-keysheet kbd {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--edu-surface);
  color: var(--edu-text);
  border: 1px solid var(--edu-border-strong);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 0.15rem 0.5rem;
  min-width: 1.4rem;
  text-align: center;
}

/* ---------- Summary block (rangkuman 30 detik) ---------- */
.edu-summary {
  margin-top: 2.25rem;
  padding: 1.5rem 1.5rem 1.25rem;
  background: var(--edu-surface);
  border: 1px solid var(--edu-border);
  border-radius: 16px;
}
.edu-summary__title { margin: 0 0 0.85rem; }
.edu-summary__list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.85rem;
  display: grid;
  gap: 0.5rem;
}
.edu-summary__list li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.4rem;
  font-size: 0.95rem;
  color: var(--edu-text-2);
  line-height: 1.55;
}
.edu-summary__list li::before {
  content: '';
  position: absolute;
  left: 0.15rem;
  top: 0.85rem;
  width: 7px;
  height: 7px;
  background: var(--edu-gold);
  border-radius: 50%;
}
.edu-summary__more {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--edu-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease;
}
.edu-summary__more:hover { border-color: var(--edu-gold); }

/* ---------- Focus management helpers ---------- */
:focus-visible {
  outline: 2px solid var(--edu-gold);
  outline-offset: 2px;
  border-radius: 4px;
}
.edu-chapter-content:focus { outline: none; }
.edu-btn:focus-visible {
  outline: 2px solid var(--edu-gold-strong);
  outline-offset: 2px;
}

/* ---------- LIGHT MODE ---------- */
:root.edu-light {
  --edu-bg: #f4efe6;
  --edu-surface: #fbf7ee;
  --edu-surface-2: #efe7d4;
  --edu-text: #1a1814;
  --edu-text-2: #3a3530;
  --edu-text-3: #6e655a;
  --edu-gold: #8a6a2e;
  --edu-gold-strong: #6e511c;
  --edu-border: rgba(26,24,20,0.10);
  --edu-border-strong: rgba(26,24,20,0.18);
  --edu-success: #2e6b46;
  --edu-danger: #a4423a;
}
:root.edu-light body,
:root.edu-light html { background: #f4efe6 !important; color: #3a3530 !important; }
:root.edu-light #edu-app { background: var(--edu-bg); }
:root.edu-light .edu-chapter-header { background: rgba(244,239,230,0.92); }
:root.edu-light .edu-chapter-card,
:root.edu-light .edu-quiz-question {
  background: linear-gradient(145deg, #fbf7ee, #efe7d4);
}
:root.edu-light .edu-chapter-card:hover,
:root.edu-light .edu-chapter-card:active {
  background: linear-gradient(145deg, #fbf7ee, #efe7d4);
}
:root.edu-light .edu-block--mention { background: rgba(26,24,20,0.03); }
:root.edu-light .edu-landing__autop,
:root.edu-light .edu-autop-cta {
  background: linear-gradient(145deg, rgba(138,106,46,0.10), rgba(138,106,46,0.03));
}
:root.edu-light .edu-resume {
  background: linear-gradient(145deg, rgba(138,106,46,0.10), rgba(138,106,46,0.03));
}
:root.edu-light .edu-block--reveal__btn { background: rgba(138,106,46,0.05); }
:root.edu-light .edu-btn--primary { color: #f4efe6; }
:root.edu-light .edu-keysheet { background: rgba(244,239,230,0.78); }
:root.edu-light .edu-install { box-shadow: 0 12px 32px rgba(80,60,20,0.20); }

/* ---------- GLOSSARY (halaman glosarium.php) ---------- */
.edu-glossary { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--edu-border); }
.edu-glossary__nav { margin-bottom: 2rem; }
.edu-glossary__alpha {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.85rem 1rem;
  background: var(--edu-surface);
  border: 1px solid var(--edu-border);
  border-radius: 12px;
  position: sticky;
  top: 0.5rem;
  z-index: 5;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.edu-glossary__alpha-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--edu-text-2);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}
.edu-glossary__alpha-item:hover { color: var(--edu-gold); border-color: var(--edu-gold); background: rgba(198,163,106,0.06); }
.edu-glossary__content { display: grid; gap: 2.25rem; }
.edu-glossary__group { scroll-margin-top: 5rem; }
.edu-glossary__letter {
  font-size: clamp(2.5rem, 7vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  color: var(--edu-gold);
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--edu-border);
}
.edu-glossary__item { margin-bottom: 1.25rem; }
.edu-glossary__term {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--edu-text);
  margin: 0 0 0.3rem;
  letter-spacing: -0.01em;
}
.edu-glossary__def {
  font-size: 1rem;
  color: var(--edu-text-2);
  margin: 0;
  line-height: 1.65;
  max-width: 38rem;
}

/* ---------- PRINT ---------- */
@media print {
  #header, .footer, #scroll-top, .edu-chapter-header__back,
  .edu-chapter-footer, .edu-resume, .edu-install, .edu-keysheet,
  .edu-theme-toggle, .edu-landing__autop, .edu-autop-cta,
  .edu-toast, .edu-block--reveal__body { display: none !important; }
  #edu-app { background: #fff !important; color: #111 !important; }
  .edu-view { padding: 0 !important; max-width: 100% !important; }
  .edu-block--reveal--open .edu-block--reveal__body { max-height: none !important; opacity: 1 !important; padding: 0.5rem 0 !important; }
  .edu-block { opacity: 1 !important; transform: none !important; }
  a { color: #111 !important; text-decoration: underline; }
  .edu-chapter-header { position: static !important; background: #fff !important; border-bottom: 1px solid #ccc; }
  .edu-summary { page-break-inside: avoid; }
  .edu-block, .edu-chapter-hero { page-break-inside: avoid; }
}