/* Course A1 — Episode 1 lesson styles */
:root {
  --navy: #1a2744;
  --navy-2: #2a3a5c;
  --gold: #c9a227;
  --gold-2: #e6bf3e;
  --cream: #faf6ec;
  --cream-2: #f5ecd7;
  --ink: #1d2433;
  --muted: #6b7386;
  --line: #e6dfc9;
  --ok: #2f855a;
  --err: #c53030;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: #fbf9f2;
  line-height: 1.6;
}
a { color: var(--navy); }

/* Top bar */
.lesson-top {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy); color: #fff;
  padding: 0.9rem 1.5rem;
  display: flex; align-items: center; gap: 1rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.lesson-top a.back {
  color: #fff; text-decoration: none; font-weight: 600; font-size: 0.95rem;
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.4rem 0.8rem; border-radius: 8px;
  transition: background 0.15s;
}
.lesson-top a.back:hover { background: rgba(255,255,255,0.1); }
.lesson-top .course-name { font-family: 'Playfair Display', serif; font-size: 1.05rem; font-weight: 700; color: var(--gold-2); }
.lesson-top .top-progress {
  margin-left: auto; display: flex; align-items: center; gap: 0.7rem;
  font-size: 0.85rem; color: rgba(255,255,255,0.85);
}
.lesson-top .progress-bar {
  width: 180px; height: 6px; background: rgba(255,255,255,0.15); border-radius: 3px; overflow: hidden;
}
.lesson-top .progress-bar span { display: block; height: 100%; background: var(--gold); transition: width 0.3s; }

/* Wrap */
.lesson-wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* Header */
.lesson-header { margin-bottom: 2.5rem; }
.lesson-eyebrow {
  display: inline-block;
  background: var(--cream-2);
  color: var(--navy);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  font-weight: 700;
  margin-bottom: 1rem;
}
.lesson-title {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  line-height: 1.15;
  color: var(--navy);
  margin: 0 0 0.8rem;
  font-weight: 800;
}
.lesson-title em { color: var(--gold); font-style: italic; }
.lesson-sub { color: var(--muted); font-size: 1.1rem; margin: 0; }

/* Theory block */
.theory {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.8rem 2rem;
  margin: 1.5rem 0;
  box-shadow: 0 2px 8px rgba(26,39,68,0.04);
}
.theory h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--navy);
  margin: 0 0 1rem;
  padding-left: 0.8rem;
  border-left: 4px solid var(--gold);
}
.theory h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  color: var(--navy);
  margin: 1.5rem 0 0.7rem;
  font-weight: 700;
}

/* Sentence list */
.sentence-list { list-style: none; padding: 0; margin: 0; }
.sentence-list li {
  padding: 0.9rem 1rem;
  background: var(--cream);
  border-radius: 10px;
  margin-bottom: 0.6rem;
  display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; align-items: center;
}
.sentence-list .en {
  font-size: 1.15rem; font-weight: 600; color: var(--navy);
}
.sentence-list .en strong { color: var(--gold); font-weight: 800; }
.sentence-list .ipa {
  font-family: 'Georgia', serif;
  color: var(--muted);
  font-style: italic;
  font-size: 0.95rem;
}
.sentence-list .uk {
  display: block; width: 100%;
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 0.4rem;
  padding: 0.35rem 0.6rem;
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: 6px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}
.sentence-list .uk.hidden {
  color: transparent;
  background: var(--line);
  border-style: solid;
}
.sentence-list .uk.hidden::before {
  content: "Натисни для перекладу";
  position: absolute;
  color: var(--navy);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}
.sentence-list li { position: relative; }
.sentence-list .uk:hover { background: #fffbe8; }

/* Grammar intro blocks */
.grammar-intro {
  background: #fff;
  border: 2px solid var(--line);
  border-radius: 14px;
  padding: 1.8rem 2rem;
  margin: 1.5rem 0;
}
.grammar-intro .gi-q {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  color: var(--navy);
  margin: 0 0 1rem;
  font-weight: 700;
}
.grammar-intro .gi-alert {
  background: #fff3f0;
  border-left: 4px solid #c53030;
  color: #9a1e1e;
  padding: 1rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  margin: 1.2rem 0;
}
.grammar-intro .gi-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
}
@media (max-width: 600px) {
  .grammar-intro .gi-compare { grid-template-columns: 1fr; }
}
.grammar-intro .gi-col {
  background: var(--cream);
  border-radius: 10px;
  padding: 1rem 1.2rem;
}
.grammar-intro .gi-col h4 {
  margin: 0 0 0.6rem;
  color: var(--navy);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.grammar-intro .gi-col p { margin: 0.3rem 0; font-size: 0.98rem; }
.grammar-intro .gi-col b { color: var(--gold); }

.gi-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}
.gi-table th, .gi-table td {
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--line);
  text-align: left;
}
.gi-table thead th {
  background: var(--navy);
  color: #fff;
  font-weight: 600;
}
.gi-table tbody tr:nth-child(even) { background: var(--cream); }
.gi-table .short { color: var(--gold); font-weight: 700; }

/* Image grid */
.img-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.8rem;
  margin: 1.2rem 0;
}
.img-grid figure { margin: 0; text-align: center; }
.img-grid img {
  width: 100%; height: 160px; object-fit: cover; object-position: top center;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.img-grid figcaption {
  margin-top: 0.4rem;
  font-size: 0.9rem; font-weight: 600; color: var(--navy);
}

/* Callout */
.callout {
  background: linear-gradient(135deg, #fff7e0 0%, #fff 100%);
  border-left: 4px solid var(--gold);
  padding: 1rem 1.2rem;
  border-radius: 10px;
  margin: 1.2rem 0;
  font-size: 0.98rem;
}
.callout strong { color: var(--navy); }

/* Exercise */
.exercise {
  background: var(--navy);
  color: #fff;
  border-radius: 14px;
  padding: 1.8rem 2rem;
  margin: 2rem 0;
}
.exercise h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--gold-2);
  margin: 0 0 0.5rem;
}
.exercise .task { color: rgba(255,255,255,0.8); margin-bottom: 1.2rem; font-size: 0.98rem; }
.quiz-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin-bottom: 0.8rem;
}
.quiz-item .q {
  font-size: 1.05rem; font-weight: 600; margin-bottom: 0.7rem;
}
.quiz-item input[type=text] {
  width: 100%; padding: 0.6rem 0.8rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  color: #fff; font-size: 1rem;
  font-family: inherit;
}
.quiz-item input[type=text]:focus { outline: 2px solid var(--gold); border-color: transparent; }
.quiz-options { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.quiz-options button {
  padding: 0.55rem 1rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  color: #fff; font-family: inherit; font-size: 0.95rem;
  cursor: pointer; transition: all 0.15s;
}
.quiz-options button:hover { background: rgba(255,255,255,0.15); }
.quiz-options button.correct { background: var(--ok); border-color: var(--ok); }
.quiz-options button.wrong { background: var(--err); border-color: var(--err); }
.quiz-feedback { margin-top: 0.6rem; font-size: 0.9rem; }
.quiz-feedback.ok { color: #9ae6b4; }
.quiz-feedback.err { color: #feb2b2; }
.btn-check {
  background: var(--gold);
  color: var(--navy);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 0.8rem;
  transition: background 0.15s;
}
.btn-check:hover { background: var(--gold-2); }

/* Bottom nav */
.lesson-nav {
  display: flex; justify-content: space-between; gap: 1rem;
  margin-top: 3rem; padding-top: 2rem;
  border-top: 2px solid var(--line);
}
.lesson-nav a {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  transition: all 0.15s;
}
.lesson-nav .prev {
  color: var(--navy); border: 2px solid var(--line); background: #fff;
}
.lesson-nav .prev:hover { border-color: var(--navy); }
.lesson-nav .next {
  background: var(--navy); color: #fff;
}
.lesson-nav .next:hover { background: var(--navy-2); }
.lesson-nav .done-btn {
  background: var(--gold); color: var(--navy);
  border: none; padding: 0.85rem 1.4rem;
  border-radius: 10px; font-family: inherit; font-weight: 700;
  cursor: pointer; font-size: 0.98rem;
}
.lesson-nav .done-btn.completed { background: var(--ok); color: #fff; }

/* Audio pill (legacy) */
.audio-pill {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--navy); color: var(--gold-2);
  padding: 0.3rem 0.7rem; border-radius: 100px;
  font-size: 0.8rem; font-weight: 600;
  text-decoration: none;
}

/* Actions group (star + play) per sentence */
.li-actions {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-left: auto; flex-shrink: 0;
}

/* Vocab star button */
.vocab-add-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: transparent; border: 1.5px solid var(--line);
  color: var(--muted); cursor: pointer; flex-shrink: 0;
  transition: all 0.15s;
}
.vocab-add-btn:hover { border-color: var(--gold); color: var(--gold); }
.vocab-add-btn.saved { background: var(--gold); border-color: var(--gold); color: var(--navy); }

/* Audio sentence button */
.audio-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--navy); color: var(--gold-2);
  border: none; cursor: pointer; flex-shrink: 0;
  transition: background 0.15s, transform 0.15s;
}
.audio-btn:hover { background: var(--navy-2); transform: scale(1.1); }
.audio-btn.playing { background: var(--gold); color: var(--navy); }
.audio-btn.no-audio { opacity: 0.3; cursor: default; }
.audio-btn.no-audio:hover { transform: none; background: var(--navy); }

/* "Listen to text" button for reading passages */
.text-audio-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--navy); color: var(--gold-2);
  border: none; padding: 0.55rem 1.1rem; border-radius: 100px;
  font-size: 0.88rem; font-weight: 600; font-family: inherit;
  cursor: pointer; margin-bottom: 1rem;
  transition: background 0.15s;
}
.text-audio-btn:hover { background: var(--navy-2); }
.text-audio-btn.playing { background: var(--gold); color: var(--navy); }
.text-audio-btn.no-audio { opacity: 0.5; cursor: default; }

/* Listen & repeat heading — speaker icon */
.listen-heading::before {
  content: "";
  display: inline-block;
  width: 16px; height: 16px;
  margin-right: 0.4rem;
  vertical-align: middle;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c9a227' stroke-width='2'%3E%3Cpolygon points='11 5 6 9 2 9 2 15 6 15 11 19 11 5'/%3E%3Cpath d='M15.54 8.46a5 5 0 0 1 0 7.07'/%3E%3C/svg%3E") no-repeat center/contain;
}

/* "Study as flashcards" toggle */
.fc-toggle-btn {
  display: inline-flex; align-items: center; gap: 0.45rem;
  background: transparent; border: 2px solid var(--gold);
  color: var(--navy); padding: 0.4rem 0.95rem; border-radius: 100px;
  font-size: 0.82rem; font-weight: 700; font-family: inherit;
  cursor: pointer; margin-bottom: 0.9rem;
  transition: all 0.15s;
}
.fc-toggle-btn:hover { background: var(--gold); }

/* Vocab link in top bar */
.vocab-top-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  color: var(--gold-2); text-decoration: none; font-size: 0.85rem; font-weight: 700;
  background: rgba(255,255,255,0.08); padding: 0.3rem 0.7rem; border-radius: 100px;
  transition: background 0.15s;
}
.vocab-top-btn:hover { background: rgba(255,255,255,0.18); }

/* ── Flashcard overlay ───────────────────────────────────────────── */
.fc-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(15,23,42,0.97);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 1.5rem; gap: 0;
}
.fc-overlay[hidden] { display: none; }

.fc-close {
  position: absolute; top: 1rem; right: 1rem;
  background: rgba(255,255,255,0.1); border: none; color: #fff;
  width: 38px; height: 38px; border-radius: 50%;
  font-size: 1rem; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
}
.fc-close:hover { background: rgba(255,255,255,0.2); }

.fc-counter {
  color: rgba(255,255,255,0.5); font-size: 0.85rem; font-weight: 600;
  margin-bottom: 1.2rem; letter-spacing: 0.06em;
}

/* 3-D flip card */
.fc-scene {
  width: min(480px, 90vw); height: 280px;
  perspective: 900px; cursor: pointer;
}
.fc-card {
  width: 100%; height: 100%; position: relative;
  transform-style: preserve-3d;
  transition: transform 0.42s cubic-bezier(.4,0,.2,1);
  border-radius: 20px;
}
.fc-card.flipped { transform: rotateY(180deg); }

.fc-face {
  position: absolute; inset: 0;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  border-radius: 20px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 2rem 2.5rem; text-align: center; gap: 0.5rem;
}
.fc-front { background: #fff; box-shadow: 0 16px 48px rgba(0,0,0,0.4); }
.fc-back  { background: var(--cream); transform: rotateY(180deg); box-shadow: 0 16px 48px rgba(0,0,0,0.4); }

.fc-label {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.3rem;
}
.fc-en {
  font-family: 'Playfair Display', serif; font-size: 1.65rem; font-weight: 800;
  color: var(--navy); line-height: 1.2;
}
.fc-ipa { font-size: 0.95rem; color: var(--muted); font-style: italic; }
.fc-uk  {
  font-family: 'Playfair Display', serif; font-size: 1.5rem; font-weight: 700;
  color: var(--navy); line-height: 1.2;
}
.fc-audio-small {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--navy); color: var(--gold-2);
  border: none; padding: 0.4rem 0.85rem; border-radius: 100px;
  font-size: 0.8rem; font-weight: 600; font-family: inherit; cursor: pointer;
  margin-top: 0.4rem; transition: background 0.15s;
}
.fc-audio-small:hover { background: var(--navy-2); }
.fc-audio-small.playing { background: var(--gold); color: var(--navy); }
.fc-hint { font-size: 0.78rem; color: var(--muted); margin-top: auto; }

/* Flashcard nav */
.fc-nav {
  display: flex; gap: 0.7rem; align-items: center;
  margin-top: 1.5rem; flex-wrap: wrap; justify-content: center;
}
.fc-btn {
  padding: 0.65rem 1.2rem; border-radius: 10px; border: none;
  font-family: inherit; font-weight: 700; font-size: 0.9rem;
  cursor: pointer; transition: all 0.15s;
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.fc-btn-pri  { background: var(--gold); color: var(--navy); }
.fc-btn-pri:hover  { background: var(--gold-2); }
.fc-btn-sec  { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.8); }
.fc-btn-sec:hover  { background: rgba(255,255,255,0.16); }
.fc-btn-vocab { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.75); border: 1px solid rgba(255,255,255,0.15); }
.fc-btn-vocab:hover { border-color: var(--gold); color: var(--gold-2); }
.fc-btn-vocab.saved { background: rgba(201,162,39,0.18); color: var(--gold-2); border-color: var(--gold); }

.fc-kb-hint {
  margin-top: 1.2rem; font-size: 0.75rem;
  color: rgba(255,255,255,0.25); letter-spacing: 0.05em;
}

/* ── Vocabulary page shared styles ──────────────────────────────── */
.vp-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #243558 100%);
  color: #fff; padding: 3.5rem 1.5rem 2.5rem; text-align: center;
}
.vp-hero h1 { font-family:'Playfair Display',serif; font-size:2.2rem; margin:0 0 0.5rem; font-weight:800; }
.vp-hero h1 em { color:var(--gold-2); font-style:italic; }
.vp-hero p { font-size:1rem; opacity:0.8; margin:0; }
.vp-stats { display:flex; justify-content:center; gap:2.5rem; margin-top:1.5rem; flex-wrap:wrap; }
.vp-stat strong { display:block; font-size:2rem; color:var(--gold-2); font-family:'Playfair Display',serif; font-weight:800; }
.vp-stat span { font-size:0.8rem; opacity:0.7; text-transform:uppercase; letter-spacing:0.1em; }

.vp-wrap { max-width:860px; margin:0 auto; padding:2.5rem 1.5rem 5rem; }
.vp-section-title { font-family:'Playfair Display',serif; font-size:1.5rem; color:var(--navy); margin:0 0 1.2rem; font-weight:800; }

/* SRS review */
.srs-scene { width:min(480px,90vw); height:260px; perspective:900px; cursor:pointer; margin:0 auto; }
.srs-card { width:100%; height:100%; position:relative; transform-style:preserve-3d; transition:transform 0.42s cubic-bezier(.4,0,.2,1); border-radius:20px; }
.srs-card.flipped { transform:rotateY(180deg); }
.srs-face { position:absolute; inset:0; backface-visibility:hidden; -webkit-backface-visibility:hidden; border-radius:20px; display:flex; flex-direction:column; align-items:center; justify-content:center; padding:2rem; text-align:center; gap:0.5rem; }
.srs-front { background:#fff; box-shadow:0 8px 32px rgba(26,39,68,0.14); }
.srs-back  { background:var(--cream); transform:rotateY(180deg); box-shadow:0 8px 32px rgba(26,39,68,0.14); }

.srs-ratings { display:flex; gap:0.6rem; flex-wrap:wrap; justify-content:center; margin-top:1.2rem; }
.srs-rate-btn { padding:0.6rem 1.1rem; border:none; border-radius:10px; font-family:inherit; font-weight:700; font-size:0.88rem; cursor:pointer; transition:all 0.15s; }
.srs-rate-btn[data-q="0"] { background:#fee2e2; color:#9b1c1c; }
.srs-rate-btn[data-q="1"] { background:#ffedd5; color:#9a3412; }
.srs-rate-btn[data-q="2"] { background:#d1fae5; color:#065f46; }
.srs-rate-btn[data-q="3"] { background:#dbeafe; color:#1e3a8a; }
.srs-rate-btn:hover { opacity:0.85; transform:translateY(-1px); }

/* Vocab list card */
.vocab-card {
  background:#fff; border:1px solid var(--line); border-radius:12px;
  padding:1rem 1.2rem; display:flex; align-items:center; gap:1rem;
  margin-bottom:0.6rem;
}
.vocab-card-text { flex:1; min-width:0; }
.vocab-card-en { font-weight:700; color:var(--navy); font-size:1rem; }
.vocab-card-ipa { font-style:italic; color:var(--muted); font-size:0.85rem; }
.vocab-card-uk { color:var(--ink); font-size:0.92rem; margin-top:0.2rem; }
.vocab-card-due { font-size:0.75rem; color:var(--muted); margin-top:0.3rem; }
.vocab-card-due.due-now { color:#065f46; font-weight:700; }
.vocab-delete-btn {
  background:transparent; border:none; color:var(--muted); cursor:pointer;
  font-size:1.1rem; padding:0.3rem; border-radius:6px; flex-shrink:0;
  transition:color 0.15s;
}
.vocab-delete-btn:hover { color:#c53030; }

/* Reading passage */
.passage {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.6rem 1.8rem;
  margin: 1rem 0;
}
.passage h3 { margin-top: 0; color: var(--navy); }
.passage p { font-size: 1.05rem; }

/* Overview page */
.ov-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #243558 100%);
  color: #fff;
  padding: 4rem 1.5rem 3rem;
  text-align: center;
}
.ov-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: 3rem; margin: 0 0 0.6rem; font-weight: 800;
}
.ov-hero h1 em { color: var(--gold-2); font-style: italic; }
.ov-hero p { font-size: 1.15rem; opacity: 0.85; max-width: 640px; margin: 0 auto; }
.ov-stats {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 2.5rem;
  margin-top: 2rem;
}
.ov-stats div strong { display: block; font-size: 2rem; color: var(--gold-2); font-family: 'Playfair Display', serif; }
.ov-stats div span { font-size: 0.85rem; opacity: 0.8; text-transform: uppercase; letter-spacing: 0.1em; }

.ov-wrap { max-width: 1000px; margin: 0 auto; padding: 3rem 1.5rem 5rem; }

.ov-progress-box {
  background: #fff;
  border: 2px solid var(--gold);
  border-radius: 14px;
  padding: 1.5rem 1.8rem;
  margin-bottom: 2.5rem;
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
}
.ov-progress-box .pb-text { flex: 1; min-width: 200px; }
.ov-progress-box .pb-text strong { font-family: 'Playfair Display', serif; font-size: 1.4rem; color: var(--navy); display: block; }
.ov-progress-box .pb-text span { color: var(--muted); font-size: 0.95rem; }
.ov-progress-box .pb-bar { flex: 2; min-width: 260px; height: 14px; background: var(--cream-2); border-radius: 100px; overflow: hidden; }
.ov-progress-box .pb-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-2)); transition: width 0.4s; }
.ov-progress-box .pb-pct { font-family: 'Playfair Display', serif; font-size: 1.8rem; color: var(--gold); font-weight: 800; }

.ov-lessons {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.ov-lesson-card {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.2rem 1.3rem;
  text-decoration: none;
  color: var(--ink);
  transition: all 0.15s;
  position: relative;
}
.ov-lesson-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(26,39,68,0.1);
}
.ov-lesson-card.done { background: #f0faf3; border-color: var(--ok); }
.ov-lesson-card .num {
  display: inline-block;
  width: 30px; height: 30px;
  background: var(--cream-2);
  color: var(--navy);
  border-radius: 50%;
  text-align: center; line-height: 30px;
  font-weight: 700; font-size: 0.9rem;
  margin-bottom: 0.7rem;
}
.ov-lesson-card.done .num { background: var(--ok); color: #fff; }
.ov-lesson-card.done .num::after { content: " ✓"; }
.ov-lesson-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem; margin: 0 0 0.35rem;
  color: var(--navy);
}
.ov-lesson-card p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.ov-lesson-card .type {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 0.2rem 0.6rem;
  background: var(--cream-2);
  color: var(--navy);
  border-radius: 100px;
  font-weight: 700;
  margin-top: 0.7rem;
}
.ov-lesson-card .type.quiz { background: #fff3cd; color: #8a6d1d; }
.ov-lesson-card .type.read { background: #dde9ff; color: #2a4a8a; }
.ov-lesson-card .type.bonus { background: #fde4f0; color: #9a2a5a; }

@media (max-width: 640px) {
  .lesson-title { font-size: 1.8rem; }
  .ov-hero h1 { font-size: 2rem; }
  .lesson-top .progress-bar { width: 100px; }
  .theory, .exercise { padding: 1.2rem; }
}

/* ─── Exercise number badge ──────────────────────────────────── */
.ex-num {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--gold); background: rgba(201,162,39,0.12);
  padding: 0.2rem 0.7rem; border-radius: 100px;
  margin-bottom: 0.4rem;
}

/* ─── Retry button ───────────────────────────────────────────── */
.btn-retry {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: 1rem;
  background: transparent; border: 1.5px solid var(--line);
  color: var(--muted); padding: 0.55rem 1.2rem; border-radius: 10px;
  font-family: inherit; font-size: 0.9rem; font-weight: 600;
  cursor: pointer; transition: all 0.15s;
}
.btn-retry:hover { border-color: var(--navy); color: var(--navy); }

/* ─── Look & Say ─────────────────────────────────────────────── */
.ls-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  margin: 0.75rem 0;
}
.ls-card {
  border-radius: 12px; overflow: hidden;
  border: 2px solid var(--line);
  cursor: pointer; transition: border-color 0.15s;
}
.ls-card:hover { border-color: var(--gold); }
.ls-card.revealed { border-color: var(--ok); }
.ls-card img {
  width: 100%; aspect-ratio: 4 / 3; height: auto;
  object-fit: cover; object-position: center 15%;
  display: block;
}
.ls-reveal {
  display: none;
  background: var(--navy); color: var(--gold-2);
  text-align: center; font-weight: 700; font-size: 0.75rem;
  padding: 0.35rem 0.2rem;
  font-family: 'Playfair Display', serif;
}
.ls-card.revealed .ls-reveal { display: block; }

/* ─── Quiz photo ─────────────────────────────────────────────── */
.q-photo {
  width: 100%; aspect-ratio: 4 / 3; height: auto;
  object-fit: cover; object-position: center 15%;
  border-radius: 10px; display: block; margin-bottom: 0.6rem;
}
.q-photo-sm {
  width: 64px; height: 64px; object-fit: cover; object-position: center 20%;
  border-radius: 10px; flex-shrink: 0;
}
.article-q {
  display: flex; align-items: center; gap: 0.7rem;
  font-size: 1.05rem; font-weight: 600; color: rgba(255,255,255,0.9);
  margin-bottom: 0.5rem;
}
.article-q strong { color: var(--gold-2); }

/* ─── Ex 2 & 3: photo left, options right ────────────────────── */
#ex-who .quiz-item,
#ex-type .quiz-item {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0.6rem;
  align-items: start;
}
#ex-who .quiz-item .q,
#ex-type .quiz-item .q {
  grid-column: 1;
  grid-row: 1 / span 2;
}
#ex-who .quiz-item .q-photo,
#ex-type .quiz-item .q-photo {
  width: 100%; margin: 0;
}
#ex-who .quiz-item .quiz-options,
#ex-who .quiz-item .quiz-feedback,
#ex-type .quiz-item .quiz-options,
#ex-type .quiz-item .quiz-feedback { grid-column: 2; }

/* ─── Match exercise ─────────────────────────────────────────── */
.match-wrap {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 0.6rem; margin: 0.75rem 0;
}
.match-col { display: flex; flex-direction: column; gap: 0.45rem; }
.match-item {
  border: 2px solid rgba(255,255,255,0.18); border-radius: 10px;
  cursor: pointer; transition: all 0.18s; overflow: hidden;
}
.match-photo img {
  width: 100%; aspect-ratio: 4 / 3; height: auto;
  object-fit: cover; object-position: center 15%; display: block;
}
.match-sentence {
  padding: 0.6rem 0.75rem;
  font-size: 0.875rem; font-weight: 600; color: rgba(255,255,255,0.9);
  display: flex; align-items: center; min-height: 60px;
}
.match-item.selected { border-color: var(--gold); background: rgba(201,162,39,0.18); }
.match-item.matched { border-color: var(--ok); background: rgba(47,133,90,0.2); cursor: default; pointer-events: none; }
.match-sentence.matched { color: #6ee7a0; }
.match-item.wrong-flash { border-color: var(--err); background: rgba(197,48,48,0.18); }

@media (max-width: 480px) {
  .ls-grid { grid-template-columns: repeat(3, 1fr); }
  .match-sentence { font-size: 0.8rem; min-height: 52px; }
}

/* ─── Speaking prompt ────────────────────────────────────────── */
.speak-prompt {
  display: flex;
  align-items: center;
  gap: 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  border-radius: 12px;
  padding: 0.75rem 1.2rem;
  margin: 0.25rem 0 0.75rem;
}
.sp-step {
  flex: 1;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.01em;
}
.sp-step strong {
  color: var(--gold-2);
  font-weight: 700;
}
.sp-divider {
  width: 1px;
  height: 24px;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}
@media (max-width: 480px) {
  .speak-prompt { flex-direction: column; gap: 0.4rem; padding: 0.7rem 1rem; }
  .sp-divider { width: 40px; height: 1px; }
}

/* ─── Inline flip cards (sentence lists) ──────────────────────── */
.vocab-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 0.75rem;
  margin: 0.5rem 0 1.5rem;
}
.vocab-flip-card {
  height: 210px;
  perspective: 800px;
  cursor: pointer;
}
.vocab-flip-inner {
  width: 100%; height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.42s cubic-bezier(.4,0,.2,1);
  border-radius: 14px;
}
.vocab-flip-card.flipped .vocab-flip-inner { transform: rotateY(180deg); }
.vocab-flip-face {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 14px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 0.9rem;
  text-align: center;
  gap: 0.3rem;
}
.vocab-flip-front { background: var(--navy); }
.vocab-flip-back  { background: var(--cream); transform: rotateY(180deg); }

/* Star button — absolute top-right on front */
.card-vocab-btn {
  position: absolute; top: 0.55rem; right: 0.55rem;
  background: transparent; border: none;
  color: rgba(255,255,255,0.4);
  cursor: pointer; padding: 0.2rem;
  transition: color 0.15s;
  display: flex; align-items: center;
  z-index: 2;
}
.card-vocab-btn:hover { color: var(--gold-2); }
.card-vocab-btn.saved { color: var(--gold-2); }

/* Play button — absolute bottom-right on front */
.card-audio-btn {
  position: absolute; bottom: 0.55rem; right: 0.55rem;
  background: rgba(255,255,255,0.1); border: none;
  color: var(--gold-2);
  width: 26px; height: 26px; border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
  z-index: 2;
}
.card-audio-btn:hover { background: rgba(255,255,255,0.2); }
.card-audio-btn.playing { background: var(--gold); color: var(--navy); }
.card-audio-btn.no-audio { opacity: 0.3; cursor: default; }

/* Front content */
.card-en {
  font-family: 'Playfair Display', serif;
  font-size: 1.12rem; font-weight: 700;
  color: #fff; line-height: 1.3;
}
.card-en strong { color: var(--gold-2); }
.card-gold-line {
  width: 34px; height: 2px;
  background: var(--gold); border-radius: 1px;
  flex-shrink: 0;
}
.card-ipa {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  font-style: italic;
}
.card-tap-hint {
  position: absolute; bottom: 0.65rem; left: 50%;
  transform: translateX(-50%);
  font-size: 0.68rem;
  color: rgba(255,255,255,0.3);
  white-space: nowrap; letter-spacing: 0.04em;
  pointer-events: none;
}

/* Back content */
.card-uk {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem; font-weight: 700;
  color: var(--navy); line-height: 1.3;
}

@media (max-width: 480px) {
  .vocab-cards-grid { grid-template-columns: repeat(2, 1fr); gap: 0.55rem; }
  .vocab-flip-card { height: 190px; }
}