/* ══════════════════════════════════════
   ENGLISHzONE — lesson.css
   Урок: Їжа та кулінарія
   ══════════════════════════════════════ */

/* ── ЗМІННІ (той самий бренд) ── */
:root {
  --purple: #2d1f5e;
  --purple-mid: #3d2a7a;
  --purple-light: #4a3490;
  --amber: #f0a820;
  --amber-dark: #c8880a;
  --cream: #f5f3ff;
  --white: #ffffff;
  --text: #1a1228;
  --text-muted: #7a6e9e;
  --border: #e2dcf8;
  --success: #2d7a4f;
  --success-bg: #edf7e3;
  --error: #c0392b;
  --error-bg: #fdf0ee;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Manrope', sans-serif;
  background: var(--cream);
  color: var(--text);
  overflow-x: hidden;
}

/* ── HEADER ── */
header {
  background: rgba(45, 31, 94, 0.97);
  backdrop-filter: blur(12px);
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(240,168,32,0.15);
}

.header-left { display: flex; align-items: center; gap: 16px; }

.back-home {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  transition: color 0.2s;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
}
.back-home:hover { color: var(--amber); border-color: rgba(240,168,32,0.3); }
.back-home svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.header-divider { width: 1px; height: 20px; background: rgba(255,255,255,0.1); }

.lesson-logo {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
}
.lesson-logo span { color: var(--amber); }

.header-nav { display: flex; gap: 4px; }
.header-nav button {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-family: 'Manrope', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.header-nav button:hover,
.header-nav button.active {
  background: rgba(240,168,32,0.15);
  color: var(--amber);
}

/* ── СЕКЦІЇ ── */
.section { display: none; }
.section.active { display: block; }

/* ── HERO УРОКУ ── */
.lesson-hero {
  background: var(--purple);
  padding: 64px 48px 52px;
  position: relative;
  overflow: hidden;
}
.lesson-hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(240,168,32,0.07) 0%, transparent 65%);
  pointer-events: none;
}

.lesson-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(240,168,32,0.1);
  border: 1px solid rgba(240,168,32,0.22);
  color: var(--amber);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.lesson-tag::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--amber);
  border-radius: 50%;
}

.lesson-hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 14px;
}
.lesson-hero h1 span { color: var(--amber); }

.lesson-hero p {
  color: rgba(255,255,255,0.48);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 32px;
}

.lesson-hero-btns { display: flex; gap: 10px; flex-wrap: wrap; }

.btn-primary {
  background: var(--amber);
  color: var(--purple);
  border: none;
  padding: 12px 24px;
  border-radius: 10px;
  font-family: 'Manrope', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
}
.btn-primary:hover { background: var(--amber-dark); transform: translateY(-2px); }

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.25);
  padding: 12px 24px;
  border-radius: 10px;
  font-family: 'Manrope', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--amber); color: var(--amber); }

/* ── СТАТИСТИКА ── */
.lesson-stats {
  background: var(--purple-mid);
  display: flex;
  justify-content: center;
  border-bottom: 1px solid rgba(240,168,32,0.1);
}
.stat-item {
  padding: 18px 40px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.08);
  flex: 1;
  max-width: 200px;
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--amber);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label { font-size: 0.7rem; color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 1px; }

/* ── ТЕМИ ── */
.topics-section { padding: 56px 48px; max-width: 1100px; margin: 0 auto; }

.section-eyebrow {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--amber-dark);
  margin-bottom: 10px;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--purple);
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.section-sub { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 32px; line-height: 1.6; }

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}
.topic-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 18px;
  cursor: pointer;
  transition: all 0.25s;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.topic-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--amber);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.topic-card:hover { border-color: rgba(240,168,32,0.4); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(45,31,94,0.1); }
.topic-card:hover::after { transform: scaleX(1); }
.topic-emoji { font-size: 2.2rem; display: block; margin-bottom: 10px; }
.topic-name { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.88rem; color: var(--purple); margin-bottom: 4px; }
.topic-count { font-size: 0.75rem; color: var(--text-muted); }

/* ── СЛОВНИК ── */
.vocab-container { padding: 40px 48px; max-width: 1100px; margin: 0 auto; }

.module-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.back-btn {
  background: var(--border);
  border: none;
  width: 38px; height: 38px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  color: var(--purple);
  font-weight: 700;
  flex-shrink: 0;
}
.back-btn:hover { background: var(--amber); color: var(--purple); }

.filter-bar { display: flex; gap: 8px; margin-bottom: 28px; flex-wrap: wrap; }
.filter-btn {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 7px 16px;
  border-radius: 20px;
  font-family: 'Manrope', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-muted);
}
.filter-btn.active,
.filter-btn:hover { background: var(--purple); border-color: var(--purple); color: #fff; }

.vocab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.word-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
}
.word-card:hover { border-color: rgba(240,168,32,0.4); box-shadow: 0 8px 24px rgba(45,31,94,0.08); }
.word-card.learned { border-color: rgba(45,122,79,0.4); background: #f7fdf9; }
.word-card.learned::before {
  content: '✓';
  position: absolute;
  top: 12px; right: 14px;
  color: var(--success);
  font-weight: 700;
  font-size: 0.85rem;
}

.word-en {
  font-family: 'Syne', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--purple);
  margin-bottom: 4px;
  letter-spacing: -0.3px;
}
.word-transcription { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 8px; font-style: italic; }
.word-ua { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 8px; display: none; }
.word-card.flipped .word-ua { display: block; }
.word-example {
  font-size: 0.8rem;
  color: var(--purple-mid);
  line-height: 1.55;
  border-left: 3px solid var(--amber);
  padding-left: 10px;
  display: none;
}
.word-card.flipped .word-example { display: block; }

.word-tag {
  display: inline-block;
  background: var(--cream);
  border: 1px solid var(--border);
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: 10px;
  margin-top: 10px;
  color: var(--text-muted);
}
.flip-hint { font-size: 0.7rem; color: #c0b8d8; margin-top: 8px; text-align: right; }

/* ── КВІЗ ── */
.quiz-container { padding: 40px 48px; max-width: 680px; margin: 0 auto; }

.quiz-progress-bar {
  background: var(--border);
  height: 5px;
  border-radius: 3px;
  margin-bottom: 32px;
  overflow: hidden;
}
.quiz-progress-fill {
  height: 100%;
  background: var(--amber);
  border-radius: 3px;
  transition: width 0.4s ease;
}

.quiz-card {
  background: var(--white);
  border-radius: 20px;
  padding: 36px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(45,31,94,0.05);
  animation: fadeSlide 0.35s ease;
}
@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.quiz-type-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber-dark);
  margin-bottom: 8px;
}
.quiz-question {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--purple);
  margin-bottom: 8px;
  line-height: 1.25;
  letter-spacing: -0.5px;
}
.quiz-hint { font-size: 0.84rem; color: var(--text-muted); margin-bottom: 26px; }
.quiz-emoji { font-size: 2.8rem; text-align: center; margin-bottom: 18px; display: block; }

.quiz-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.quiz-opt {
  background: var(--cream);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: 'Manrope', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  color: var(--text);
}
.quiz-opt:hover:not(:disabled) { border-color: var(--amber); background: #fdf9ee; }
.quiz-opt.correct { border-color: var(--success); background: var(--success-bg); color: var(--success); }
.quiz-opt.wrong { border-color: var(--error); background: var(--error-bg); color: var(--error); }
.quiz-opt:disabled { cursor: default; }

.quiz-input-wrap { display: flex; gap: 10px; margin-top: 4px; }
.quiz-input {
  flex: 1;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 13px 16px;
  font-size: 0.95rem;
  font-family: 'Manrope', sans-serif;
  background: var(--cream);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}
.quiz-input:focus { border-color: var(--amber); }
.quiz-input.correct { border-color: var(--success); background: var(--success-bg); }
.quiz-input.wrong { border-color: var(--error); background: var(--error-bg); }

.check-btn {
  background: var(--purple);
  color: #fff;
  border: none;
  padding: 13px 20px;
  border-radius: 10px;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s;
}
.check-btn:hover { background: var(--amber); color: var(--purple); }

.quiz-feedback {
  margin-top: 18px;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  display: none;
}
.quiz-feedback.show { display: block; }
.quiz-feedback.ok { background: var(--success-bg); color: var(--success); border: 1px solid #c2e8a0; }
.quiz-feedback.err { background: var(--error-bg); color: var(--error); border: 1px solid #f5c6be; }

.quiz-nav { display: flex; justify-content: flex-end; margin-top: 20px; }
.next-btn {
  background: var(--purple);
  color: #fff;
  border: none;
  padding: 11px 24px;
  border-radius: 10px;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s;
  display: none;
}
.next-btn.show { display: inline-flex; align-items: center; gap: 6px; }
.next-btn:hover { background: var(--amber); color: var(--purple); }

.score-card {
  background: var(--purple);
  border-radius: 20px;
  padding: 48px 36px;
  text-align: center;
  color: var(--cream);
}
.score-emoji { font-size: 3.5rem; margin-bottom: 14px; display: block; }
.score-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
.score-num {
  font-family: 'Syne', sans-serif;
  font-size: 3rem;
  color: var(--amber);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}
.score-msg { color: rgba(255,255,255,0.5); margin-bottom: 24px; font-size: 0.95rem; }

/* ── ФРАЗИ ── */
.phrases-container { padding: 40px 48px; max-width: 900px; margin: 0 auto; }

.phrase-group { margin-bottom: 36px; }
.phrase-group-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--purple);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.3px;
}
.phrase-list { display: flex; flex-direction: column; gap: 10px; }
.phrase-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: all 0.2s;
}
.phrase-item:hover { border-color: rgba(240,168,32,0.4); background: #fdfbf5; }
.phrase-en { font-weight: 600; font-size: 0.95rem; color: var(--purple); }
.phrase-ua { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; display: none; }
.phrase-item.open .phrase-ua { display: block; }
.phrase-arrow { color: var(--border); font-size: 1.2rem; transition: transform 0.2s; flex-shrink: 0; }
.phrase-item.open .phrase-arrow { transform: rotate(90deg); color: var(--amber); }

/* ── РЕЦЕПТИ ── */
.recipe-container { padding: 40px 48px; max-width: 900px; margin: 0 auto; }

.recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
}
.recipe-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.25s;
}
.recipe-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(45,31,94,0.1); border-color: rgba(240,168,32,0.3); }

.recipe-img {
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  background: var(--cream);
}
.recipe-body { padding: 16px; }
.recipe-name { font-family: 'Syne', sans-serif; font-size: 1rem; font-weight: 800; color: var(--purple); margin-bottom: 6px; letter-spacing: -0.3px; }
.recipe-level {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 8px;
  margin-bottom: 8px;
}
.level-easy { background: rgba(45,122,79,0.1); color: var(--success); }
.level-medium { background: rgba(240,168,32,0.12); color: var(--amber-dark); }
.level-hard { background: rgba(192,57,43,0.1); color: var(--error); }
.recipe-desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.55; }

.recipe-detail {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  display: none;
}
.recipe-detail.show { display: block; }

.recipe-steps { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.recipe-step { display: flex; gap: 14px; align-items: flex-start; }
.step-num {
  flex-shrink: 0;
  width: 30px; height: 30px;
  background: var(--amber);
  color: var(--purple);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 0.82rem;
}
.step-text { flex: 1; padding-top: 4px; line-height: 1.6; font-size: 0.9rem; color: var(--text); }
.step-word {
  color: var(--amber-dark);
  font-weight: 600;
  cursor: help;
  border-bottom: 1px dashed var(--amber);
}

.ingredients-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 22px; }
.ingredient-chip {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--purple);
}

/* ── ПРОГРЕС ── */
.progress-container { padding: 40px 48px; max-width: 800px; margin: 0 auto; }

.progress-overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}
.prog-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  text-align: center;
}
.prog-num {
  font-family: 'Syne', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--amber-dark);
}
.prog-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }

.prog-bar-wrap { margin-bottom: 32px; }
.prog-bar-label { display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 6px; font-weight: 500; }
.prog-bar { background: var(--border); height: 8px; border-radius: 4px; overflow: hidden; margin-bottom: 14px; }
.prog-bar-fill { height: 100%; border-radius: 4px; transition: width 1s ease; }
.fill-purple { background: var(--purple); }
.fill-amber { background: var(--amber); }
.fill-mid { background: var(--purple-mid); }

.achievement-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.achievement {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  opacity: 0.35;
  transition: opacity 0.3s;
}
.achievement.unlocked { opacity: 1; border-color: rgba(240,168,32,0.4); }
.ach-icon { font-size: 1.8rem; margin-bottom: 8px; }
.ach-name { font-family: 'Syne', sans-serif; font-size: 0.82rem; font-weight: 700; color: var(--purple); margin-bottom: 4px; }
.ach-desc { font-size: 0.7rem; color: var(--text-muted); }

/* ── TOOLTIP ── */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--purple);
  color: var(--cream);
  font-size: 0.75rem;
  padding: 5px 10px;
  border-radius: 8px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 10;
}
[data-tooltip]:hover::after { opacity: 1; }

/* ── АДАПТИВ ── */
@media (max-width: 768px) {
  header { padding: 0 20px; }
  .header-nav { display: none; }
  .lesson-hero { padding: 48px 24px 40px; }
  .topics-section,
  .vocab-container,
  .quiz-container,
  .phrases-container,
  .recipe-container,
  .progress-container { padding: 28px 20px; }
  .quiz-options { grid-template-columns: 1fr; }
  .progress-overview { grid-template-columns: 1fr; }
  .lesson-stats { flex-wrap: wrap; }
  .stat-item { max-width: none; }
}