/* ============================
   LESSON LAYOUT — TrueCanadian
   Shared by chapter & category pages
============================ */

.lesson-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: var(--tc-card-bg, #fff);
  border-bottom: 1px solid rgba(0,0,0,.06);
  position: sticky;
  top: 0;
  z-index: 100;
}
.back-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: 12px;
  text-decoration: none;
  background: #f5f5f7;
  color: #222;
  font-weight: 700;
  font-size: 14px;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  transition: background .15s;
}
.back-pill:hover { background: #eaeaec; }
.lesson-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--tc-text, #111);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}
.lesson-emoji { font-size: 20px; }
.lesson-name { font-size: 17px; }
.lesson-progress {
  font-weight: 800;
  font-size: 15px;
  color: var(--tc-text, #222);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}
.lesson-progressbar {
  height: 5px;
  background: #f0f0f2;
  position: relative;
}
.lesson-progressbar-fill {
  height: 100%;
  background: linear-gradient(90deg, #C1121F, #e63946);
  border-radius: 0 4px 4px 0;
  transition: width .35s ease;
}
.lesson-page {
  max-width: 600px;
  margin: 36px auto;
  padding: 0 20px;
}
.lesson-card {
  background: var(--tc-card-bg, #fff);
  border-radius: 20px;
  box-shadow: 0 6px 32px rgba(0,0,0,.07);
  overflow: hidden;
  perspective: 1200px;
}
.card-inner {
  padding: 36px 28px 20px;
  text-align: center;
  transform-style: preserve-3d;
  transition: transform .4s ease, box-shadow .3s ease;
}
.lesson-card.flashcard-look {
  border: 1px solid rgba(193, 18, 31, 0.18);
  box-shadow: 0 14px 38px rgba(0,0,0,.10);
}
.lesson-card.flashcard-look .card-inner {
  background:
    linear-gradient(145deg, rgba(255,255,255,.96), rgba(250,250,252,.92)),
    repeating-linear-gradient(0deg, transparent 0 26px, rgba(193,18,31,.035) 26px 27px);
}
.lesson-card.tc-flip-anim .card-inner {
  animation: tcCardFlip .42s ease;
}
@keyframes tcCardFlip {
  0% { transform: rotateY(0deg) scale(1); }
  45% { transform: rotateY(90deg) scale(.98); }
  55% { transform: rotateY(90deg) scale(.98); }
  100% { transform: rotateY(0deg) scale(1); }
}
.say-this {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #888;
  margin-bottom: 20px;
}
.big-word {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 900;
  color: var(--tc-text, #111);
  margin-bottom: 8px;
  line-height: 1.15;
}
.translation {
  font-size: 15px;
  color: var(--tc-muted, #444);
  margin-bottom: 4px;
}
.phonetic {
  font-size: 14px;
  color: #888;
  font-style: italic;
  margin-bottom: 20px;
}
.listen-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 14px;
}
.listen-btn {
  background: #C1121F;
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  transition: background .2s, transform .15s;
}
.listen-btn:hover {
  background: #780000;
  transform: scale(1.06);
}
.listen-note {
  margin-top: 10px;
  font-size: 12px;
  color: #999;
  min-height: 18px;
  text-align: center;
}
.select {
  padding: 8px 12px;
  border-radius: 10px;
  border: 1.5px solid #ddd;
  font-size: 14px;
  cursor: pointer;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background: #fafafa;
  color: #222;
}
.card-footer {
  display: flex;
  justify-content: space-between;
  padding: 16px 28px;
  border-top: 1px solid #f0f0f2;
}
.card-footer .nav-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  transition: background .15s, transform .15s;
}
.card-footer .nav-btn.primary {
  background: #C1121F;
  color: #fff;
}
.card-footer .nav-btn.primary:hover {
  background: #780000;
  transform: translateY(-2px);
}
.card-footer .nav-btn:disabled {
  opacity: .4;
  cursor: default;
  transform: none;
}

/* Dark mode — lesson layout */
[data-theme="dark"] .lesson-topbar {
  background: #1e1e2e;
  border-bottom-color: rgba(255,255,255,.06);
}
[data-theme="dark"] .back-pill {
  background: #2a2a3a;
  color: #e0e0e0;
}
[data-theme="dark"] .back-pill:hover { background: #3a3a4a; }
[data-theme="dark"] .lesson-card {
  background: #1e1e2e;
  box-shadow: 0 6px 32px rgba(0,0,0,.25);
}
[data-theme="dark"] .lesson-card.flashcard-look {
  border-color: rgba(255,255,255,.12);
  box-shadow: 0 16px 42px rgba(0,0,0,.35);
}
[data-theme="dark"] .lesson-card.flashcard-look .card-inner {
  background:
    linear-gradient(145deg, rgba(42,42,58,.9), rgba(30,30,46,.96)),
    repeating-linear-gradient(0deg, transparent 0 26px, rgba(255,255,255,.03) 26px 27px);
}
[data-theme="dark"] .lesson-progressbar { background: #2a2a3a; }
[data-theme="dark"] .card-footer { border-top-color: rgba(255,255,255,.06); }
[data-theme="dark"] .select {
  background: #2a2a3a;
  border-color: #3a3a4a;
  color: #e0e0e0;
}

/* ============================
   QUIZ UI — TrueCanadian
   Scoped to .lesson-page
============================ */

.lesson-page .quiz-action {
  padding: 0 24px 20px;
  display: flex;
  justify-content: center;
  background: var(--tc-card-bg, #fff);
}

/* Override buttons inside lesson */
.lesson-page .primary-btn,
.lesson-page .secondary-btn,
.lesson-page .ghost-btn {
  border-radius: 12px;
  padding: 12px 20px;
  font-weight: 800;
  cursor: pointer;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 14px;
  transition: all .18s;
}

.lesson-page .primary-btn {
  border: 0;
  background: #C1121F;
  color: #fff;
  box-shadow: 0 8px 24px rgba(193,18,31,0.25);
}
.lesson-page .primary-btn:hover {
  background: #a10e19;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(193,18,31,0.3);
}

.lesson-page .secondary-btn {
  border: 1.5px solid rgba(0,0,0,0.1);
  background: #fff;
  color: #111;
}
.lesson-page .secondary-btn:hover { background: #f5f5f5; }

.lesson-page .ghost-btn {
  border: 0;
  background: transparent;
  color: #6b7280;
}
.lesson-page .ghost-btn:hover { color: #111; }

.lesson-page .secondary-btn:disabled,
.lesson-page .primary-btn:disabled,
.lesson-page .ghost-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

/* Quiz panel */
.lesson-page .quiz-panel {
  margin: 0 24px 24px;
  background: #fff;
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.09);
  border: 1px solid rgba(0,0,0,0.05);
  animation: quizSlideIn .3s ease;
}

@keyframes quizSlideIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.lesson-page .quiz-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
}

.lesson-page .quiz-progress {
  font-size: 13px;
  font-weight: 700;
  color: #6b7280;
}

.lesson-page .quiz-score {
  font-size: 13px;
  font-weight: 800;
  color: #C1121F;
  background: rgba(193,18,31,0.08);
  padding: 4px 12px;
  border-radius: 999px;
}

.lesson-page .quiz-question {
  margin: 16px 0 14px;
  font-size: 17px;
  line-height: 1.4;
  color: #111;
  font-weight: 700;
}

.lesson-page .quiz-word {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  background: #f3f4f6;
  font-weight: 900;
  color: #C1121F;
}

/* Score bar */
.lesson-page .quiz-progress-bar {
  height: 4px;
  background: #f0f0f0;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 16px;
}
.lesson-page .quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #C1121F, #e63946);
  border-radius: 999px;
  transition: width .4s cubic-bezier(.4,0,.2,1);
}

/* Options */
.lesson-page .quiz-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.lesson-page .quiz-options button {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1.5px solid rgba(0,0,0,0.09);
  background: #fff;
  cursor: pointer;
  font-weight: 700;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 14px;
  color: #111;
  transition: border-color .15s, background .15s, transform .15s;
  position: relative;
}
.lesson-page .quiz-options button:hover:not(:disabled) {
  background: #fafafa;
  border-color: #C1121F;
  transform: translateX(3px);
}

.lesson-page .quiz-options button.correct {
  border-color: #16a34a;
  background: #f0fdf4;
  color: #15803d;
}
.lesson-page .quiz-options button.correct::after {
  content: '✓';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 900;
  color: #16a34a;
}

.lesson-page .quiz-options button.wrong {
  border-color: #dc2626;
  background: #fef2f2;
  color: #b91c1c;
}
.lesson-page .quiz-options button.wrong::after {
  content: '✗';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 900;
  color: #dc2626;
}

/* Focus */
.lesson-page .quiz-options button:focus-visible,
.lesson-page .primary-btn:focus-visible,
.lesson-page .secondary-btn:focus-visible {
  outline: 2px solid #C1121F;
  outline-offset: 2px;
}

/* Feedback */
.lesson-page .quiz-feedback {
  margin-top: 12px;
  font-weight: 800;
  min-height: 22px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.lesson-page .quiz-feedback.correct-fb { color: #16a34a; }
.lesson-page .quiz-feedback.wrong-fb   { color: #dc2626; }

/* Bottom nav */
.lesson-page .quiz-bottom {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

/* Results card */
.lesson-page .quiz-results {
  text-align: center;
  padding: 20px 0 8px;
}
.lesson-page .quiz-results .result-emoji {
  font-size: 48px;
  display: block;
  margin-bottom: 10px;
  animation: pop .4s cubic-bezier(.18,.89,.32,1.28);
}
@keyframes pop {
  from { transform: scale(0.5); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
.lesson-page .quiz-results .result-score {
  font-size: 32px;
  font-weight: 900;
  color: #C1121F;
  margin-bottom: 6px;
}
.lesson-page .quiz-results .result-msg {
  color: #6b7280;
  font-size: 14px;
  margin-bottom: 20px;
}
.lesson-page .quiz-results-actions {
  display: flex;
  justify-content: center;
  margin-top: 6px;
}
.lesson-page .quiz-results-actions .result-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-weight: 800;
  background: #111827;
  color: #fff;
  transition: transform .15s, opacity .15s;
}
.lesson-page .quiz-results-actions .result-link-btn:hover {
  opacity: .92;
  transform: translateY(-1px);
}

@media (max-width: 420px) {
  .lesson-page .quiz-action { padding: 0 14px 16px; }
  .lesson-page .quiz-panel { margin: 0 14px 18px; padding: 16px; }
  .lesson-page .quiz-bottom { flex-direction: column; }
  .lesson-page .quiz-bottom .secondary-btn,
  .lesson-page .quiz-bottom .ghost-btn { width: 100%; }
}

/* ============================
   TYPING QUIZ MODE
============================ */
.lesson-page .typing-quiz-wrap {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  align-items: stretch;
}
.lesson-page .typing-quiz-input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid rgba(0,0,0,0.1);
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  color: #111;
  background: #fff;
  outline: none;
  transition: border-color .2s;
}
.lesson-page .typing-quiz-input:focus {
  border-color: #C1121F;
}
.lesson-page .typing-quiz-input::placeholder {
  color: #9ca3af;
  font-weight: 500;
}
.lesson-page .typing-quiz-input.typing-correct {
  border-color: #16a34a;
  background: #f0fdf4;
  color: #15803d;
}
.lesson-page .typing-quiz-input.typing-wrong {
  border-color: #dc2626;
  background: #fef2f2;
  color: #b91c1c;
}
.lesson-page .typing-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-width: 96px;
  height: 46px;
  padding: 12px 20px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #C1121F, #e63946);
  color: #fff;
  font-weight: 800;
  letter-spacing: .2px;
  box-shadow: 0 8px 24px rgba(193,18,31,0.28);
}
.lesson-page .typing-submit-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(0.97);
}
.lesson-page .typing-submit-btn:disabled {
  opacity: .55;
  cursor: not-allowed;
  box-shadow: none;
}

/* Dark mode quiz overrides */
[data-theme="dark"] .lesson-page .quiz-panel {
  background: #1e293b;
  border-color: rgba(255,255,255,0.08);
}
[data-theme="dark"] .lesson-page .quiz-question { color: #f1f5f9; }
[data-theme="dark"] .lesson-page .quiz-word { background: #334155; color: #fca5a5; }
[data-theme="dark"] .lesson-page .quiz-progress-bar { background: #334155; }
[data-theme="dark"] .lesson-page .quiz-options button {
  background: #1e293b;
  border-color: rgba(255,255,255,0.08);
  color: #f1f5f9;
}
[data-theme="dark"] .lesson-page .quiz-options button:hover:not(:disabled) {
  background: #334155;
  border-color: #C1121F;
}
[data-theme="dark"] .lesson-page .quiz-options button.correct {
  background: rgba(22,163,74,0.15);
  border-color: #16a34a;
  color: #86efac;
}
[data-theme="dark"] .lesson-page .quiz-options button.wrong {
  background: rgba(220,38,38,0.15);
  border-color: #dc2626;
  color: #fca5a5;
}
[data-theme="dark"] .lesson-page .typing-quiz-input {
  background: #0f172a;
  border-color: rgba(255,255,255,0.1);
  color: #f1f5f9;
}
[data-theme="dark"] .lesson-page .typing-quiz-input.typing-correct {
  background: rgba(22,163,74,0.12);
  border-color: #16a34a;
  color: #86efac;
}
[data-theme="dark"] .lesson-page .typing-quiz-input.typing-wrong {
  background: rgba(220,38,38,0.12);
  border-color: #dc2626;
  color: #fca5a5;
}
[data-theme="dark"] .lesson-page .typing-submit-btn {
  background: linear-gradient(135deg, #d11f2f, #ef4444);
  color: #fff;
  box-shadow: 0 10px 24px rgba(193,18,31,0.35);
}
[data-theme="dark"] .lesson-page .quiz-results-actions .result-link-btn {
  background: #334155;
  color: #f8fafc;
}
[data-theme="dark"] .lesson-page .secondary-btn {
  background: #1e293b;
  border-color: rgba(255,255,255,0.1);
  color: #f1f5f9;
}
[data-theme="dark"] .lesson-page .secondary-btn:hover {
  background: #334155;
}
[data-theme="dark"] .lesson-page .quiz-action {
  background: #1e293b;
}

/* ============================
   FLASHCARD ANIMATIONS
============================ */

/* Flashcard container with flip animation */
.lesson-card.flashcard-mode {
  perspective: 1000px;
  cursor: pointer;
}

.lesson-card.flashcard-mode .card-inner {
  transition: transform 0.6s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  transform-style: preserve-3d;
  position: relative;
}

.lesson-card.flashcard-mode.flipping .card-inner {
  transform: rotateY(360deg);
}

/* Slide animation for next/prev */
.lesson-card.slide-in {
  animation: slideInRight 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lesson-card.slide-out {
  animation: slideOutLeft 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px) rotateY(15deg);
  }
  to {
    opacity: 1;
    transform: translateX(0) rotateY(0);
  }
}

@keyframes slideOutLeft {
  from {
    opacity: 1;
    transform: translateX(0) rotateY(0);
  }
  to {
    opacity: 0;
    transform: translateX(-40px) rotateY(-15deg);
  }
}

/* Bounce animation for card transitions */
.lesson-card.bounce-in {
  animation: bounceIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Text flip effect */
.big-word.flip-text {
  animation: flipText 0.6s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

@keyframes flipText {
  0% {
    opacity: 1;
    transform: rotateY(0deg) scaleX(1);
  }
  50% {
    opacity: 0;
    transform: rotateY(90deg) scaleX(0);
  }
  100% {
    opacity: 1;
    transform: rotateY(0deg) scaleX(1);
  }
}

/* Pulse animation for new card */
.lesson-card.pulse {
  animation: pulse 0.6s ease-out;
}

@keyframes pulse {
  0% {
    box-shadow: 0 6px 32px rgba(193, 18, 31, 0.3);
  }
  100% {
    box-shadow: 0 6px 32px rgba(193, 18, 31, 0.07);
  }
}

/* Dark mode flashcard */
[data-theme="dark"] .lesson-card.flashcard-mode {
  perspective: 1000px;
}

[data-theme="dark"] .lesson-card.pulse {
  animation: pulseDark 0.6s ease-out;
}

@keyframes pulseDark {
  0% {
    box-shadow: 0 6px 32px rgba(193, 18, 31, 0.5);
  }
  100% {
    box-shadow: 0 6px 32px rgba(193, 18, 31, 0.15);
  }
}