/* ═══════════════════════════════════════════════════════════
   Fideograph Lesson Engine — Duolingo-style course UI
   ═══════════════════════════════════════════════════════════ */

:root {
  --fgl-gold: var(--fg-gold, #C9A84C);
  --fgl-gold-d: var(--fg-gold-deep, #B8922A);
  --fgl-ink: var(--fg-ink, #1c1810);
  --fgl-ink2: #2e2a1e;
  --fgl-ink3: #48432e;
  --fgl-ink4: #6b5f4a;
  --fgl-parch: var(--fg-parchment, #faf6ed);
  --fgl-parch2: #f4edd8;
  --fgl-cream: #fffdf7;
  --fgl-border: #ddd5b8;
  --fgl-green: #1D8A6A;
  --fgl-green-bg: rgba(29,138,106,.08);
  --fgl-red: #C0392B;
  --fgl-red-bg: rgba(192,57,43,.06);
  --fgl-radius: 12px;
}

/* ── Begin Lesson Button ── */
.fgl-begin-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 28px; border: none; border-radius: 8px;
  background: var(--fgl-ink); color: var(--fgl-parch);
  font-family: 'DM Mono', monospace; font-size: 13px; font-weight: 700;
  letter-spacing: .04em; cursor: pointer;
  transition: all .2s;
}
.fgl-begin-btn:hover { background: var(--fgl-ink2); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(28,24,16,.15); }
.fgl-begin-btn__icon { font-size: 16px; }

/* ── Overlay ── */
.fgl-overlay {
  position: fixed; inset: 0; z-index: 999999;
  background: rgba(28,24,16,.75); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  animation: fgl-fade-in .3s ease;
}

/* ── Player Shell ── */
.fgl-player {
  width: 95vw; max-width: 640px;
  max-height: 90vh; overflow-y: auto;
  background: var(--fgl-cream);
  border-radius: var(--fgl-radius);
  box-shadow: 0 24px 80px rgba(28,24,16,.25);
  animation: fgl-slide-up .35s ease;
  position: relative;
}
.fgl-player__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--fgl-border);
}
.fgl-player__title {
  font-family: 'DM Mono', monospace; font-size: 11px;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--fgl-ink4);
}
.fgl-player__close {
  background: none; border: none; font-size: 20px; color: var(--fgl-ink4);
  cursor: pointer; padding: 4px 8px; line-height: 1;
}
.fgl-player__close:hover { color: var(--fgl-ink); }
.fgl-player__body { padding: 0; }

/* ── Progress Dots ── */
.fgl-progress {
  display: flex; gap: 4px; padding: 14px 20px 0;
  justify-content: center;
}
.fgl-progress__dot {
  flex: 1; height: 4px; border-radius: 2px;
  background: rgba(26,21,16,.08);
  transition: background .3s;
  max-width: 60px;
}
.fgl-progress__dot--done { background: var(--fgl-gold); }
.fgl-progress__dot--active { background: var(--fgl-gold); opacity: .5; }

/* ── Phase Label ── */
.fgl-phase-label {
  text-align: center; padding: 12px 20px 0;
  font-family: 'DM Mono', monospace; font-size: 9px;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--fgl-ink4);
}

/* ── Slide Container ── */
.fgl-slide-area { padding: 20px 24px 24px; min-height: 280px; }

/* ── Slide Cards ── */
.fgl-slide { animation: fgl-slide-in .3s ease; }
.fgl-slide__icon { font-size: 28px; margin-bottom: 12px; display: block; }
.fgl-slide__heading {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(20px, 3.5vw, 26px); font-weight: 400;
  color: var(--fgl-ink); line-height: 1.3;
  margin-bottom: 14px;
}
.fgl-slide__body {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.05rem; color: var(--fgl-ink3);
  line-height: 1.8;
}
.fgl-slide__body p { margin-bottom: 12px; }
.fgl-slide__body strong { color: var(--fgl-ink); font-weight: 600; }

/* Quote slide */
.fgl-slide--quote {
  border-left: 3px solid var(--fgl-gold);
  padding-left: 18px;
}
.fgl-slide--quote .fgl-slide__body {
  font-style: italic; font-size: 1.15rem;
  color: var(--fgl-ink2);
}
.fgl-slide__source {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--fgl-ink4); margin-top: 10px;
  letter-spacing: .04em;
}

/* Scripture slide */
.fgl-slide--scripture {
  background: var(--fgl-parch2); border-radius: 8px;
  padding: 18px 20px;
}
.fgl-slide__verse {
  display: inline-block; font-family: 'DM Mono', monospace;
  font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 4px;
  background: rgba(201,168,76,.15); color: var(--fgl-gold-d);
  margin-bottom: 10px;
}

/* ── Navigation ── */
.fgl-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 24px 20px;
}
.fgl-nav__btn {
  padding: 10px 24px; border: none; border-radius: 6px;
  font-family: 'DM Mono', monospace; font-size: 12px; font-weight: 700;
  cursor: pointer; transition: all .15s; letter-spacing: .04em;
}
.fgl-nav__btn--prev {
  background: rgba(26,21,16,.04); color: var(--fgl-ink4);
}
.fgl-nav__btn--prev:hover { background: rgba(26,21,16,.08); }
.fgl-nav__btn--next {
  background: var(--fgl-ink); color: var(--fgl-parch);
}
.fgl-nav__btn--next:hover { background: var(--fgl-ink2); }
.fgl-nav__btn--gold {
  background: var(--fgl-gold); color: var(--fgl-ink);
}
.fgl-nav__btn--gold:hover { background: var(--fgl-gold-d); }
.fgl-nav__btn:disabled { opacity: .3; cursor: not-allowed; }
.fgl-nav__counter {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--fgl-ink4);
}

/* ── Check Questions ── */
.fgl-check { animation: fgl-slide-in .3s ease; }
.fgl-check__question {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(17px, 3vw, 21px); font-weight: 400;
  color: var(--fgl-ink); line-height: 1.4;
  margin-bottom: 18px;
}
.fgl-check__options { display: flex; flex-direction: column; gap: 8px; }
.fgl-option {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border: 2px solid var(--fgl-border);
  border-radius: 8px; background: #fff;
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1rem; color: var(--fgl-ink3);
  cursor: pointer; transition: all .15s;
  text-align: left; line-height: 1.5;
}
.fgl-option:hover { border-color: var(--fgl-gold); background: rgba(201,168,76,.03); }
.fgl-option__marker {
  width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid var(--fgl-border); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'DM Mono', monospace; font-size: 11px; font-weight: 700;
  color: var(--fgl-ink4); transition: all .15s;
}
.fgl-option--selected { border-color: var(--fgl-gold); background: rgba(201,168,76,.06); }
.fgl-option--selected .fgl-option__marker {
  background: var(--fgl-gold); border-color: var(--fgl-gold); color: #fff;
}
.fgl-option--correct {
  border-color: var(--fgl-green); background: var(--fgl-green-bg);
  pointer-events: none;
}
.fgl-option--correct .fgl-option__marker {
  background: var(--fgl-green); border-color: var(--fgl-green); color: #fff;
}
.fgl-option--wrong {
  border-color: var(--fgl-red); background: var(--fgl-red-bg);
  pointer-events: none; opacity: .7;
}
.fgl-option--wrong .fgl-option__marker {
  background: var(--fgl-red); border-color: var(--fgl-red); color: #fff;
}
.fgl-option--dimmed { opacity: .4; pointer-events: none; }

/* Feedback */
.fgl-feedback {
  margin-top: 14px; padding: 14px 16px;
  border-radius: 8px; font-size: 13.5px;
  line-height: 1.6; animation: fgl-fade-in .25s ease;
}
.fgl-feedback--correct { background: var(--fgl-green-bg); color: #0D5C47; border-left: 3px solid var(--fgl-green); }
.fgl-feedback--wrong { background: var(--fgl-red-bg); color: #8B1A1A; border-left: 3px solid var(--fgl-red); }
.fgl-feedback__label {
  font-family: 'DM Mono', monospace; font-size: 10px;
  font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  margin-bottom: 4px; display: block;
}

/* ── Summary Screen ── */
.fgl-summary { animation: fgl-slide-in .3s ease; text-align: center; }
.fgl-summary__check {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--fgl-green); color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 28px;
  animation: fgl-pop .4s ease;
}
.fgl-summary__title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 24px; color: var(--fgl-ink); margin-bottom: 8px;
}
.fgl-summary__score {
  font-family: 'DM Mono', monospace; font-size: 13px;
  color: var(--fgl-ink4); margin-bottom: 20px;
}

.fgl-xp-card {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 8px;
  background: rgba(201,168,76,.1); margin-bottom: 20px;
}
.fgl-xp-card__icon { font-size: 22px; }
.fgl-xp-card__value {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 28px; font-weight: 700; color: var(--fgl-gold-d);
}
.fgl-xp-card__label {
  font-family: 'DM Mono', monospace; font-size: 10px;
  color: var(--fgl-ink4); text-transform: uppercase;
  letter-spacing: .08em;
}

.fgl-learned {
  text-align: left; margin: 0 auto 20px; max-width: 400px;
  padding: 16px 18px; background: var(--fgl-parch2);
  border-radius: 8px;
}
.fgl-learned__title {
  font-family: 'DM Mono', monospace; font-size: 10px;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--fgl-ink4); margin-bottom: 8px;
}
.fgl-learned__list { list-style: none; padding: 0; margin: 0; }
.fgl-learned__list li {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 14px; color: var(--fgl-ink3);
  padding: 3px 0 3px 16px; position: relative;
}
.fgl-learned__list li::before {
  content: '\2713'; position: absolute; left: 0;
  color: var(--fgl-green); font-weight: 700;
}

.fgl-summary__btn {
  display: inline-block; padding: 14px 36px;
  background: var(--fgl-gold); color: var(--fgl-ink);
  border: none; border-radius: 8px;
  font-family: 'DM Mono', monospace; font-size: 13px; font-weight: 700;
  letter-spacing: .04em; cursor: pointer;
  transition: all .15s;
}
.fgl-summary__btn:hover { background: var(--fgl-gold-d); transform: translateY(-1px); }

/* ── Animations ── */
@keyframes fgl-fade-in { from { opacity: 0 } to { opacity: 1 } }
@keyframes fgl-slide-in { from { opacity: 0; transform: translateX(30px) } to { opacity: 1; transform: translateX(0) } }
@keyframes fgl-slide-up { from { opacity: 0; transform: translateY(40px) } to { opacity: 1; transform: translateY(0) } }
@keyframes fgl-pop { 0% { transform: scale(0) } 60% { transform: scale(1.15) } 100% { transform: scale(1) } }

/* ── Mobile ── */
@media (max-width: 600px) {
  .fgl-player { width: 100vw; max-width: 100vw; max-height: 100vh; border-radius: 0; }
  .fgl-slide-area { padding: 16px 16px 20px; }
  .fgl-nav { padding: 0 16px 16px; }
}