/* English Energy — self-study episode pages.
   Shares the site palette; everything else is local to these lessons. */

:root {
  --color-navy: #1b2a4a;
  --color-navy-light: #2c3e6b;
  --color-gold: #d4a843;
  --color-gold-dark: #b8922e;
  --color-cream: #f5efe6;
  --color-bg: #faf8f4;
  --color-surface: #ffffff;
  --color-text: #1b2a4a;
  --color-text-light: #5a6a8a;
  --color-border: #e2ddd4;
  --color-ok: #2e7d5b;
  --color-no: #c0392b;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--color-bg); color: var(--color-text);
  font-family: var(--font-body); font-size: 17px; line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}
img { max-width: 100%; height: auto; display: block; }   /* width/height attrs reserve the space; height:auto keeps the ratio */

/* ── Top bar ─────────────────────────────────────────────────────── */
.lesson-top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 248, 244, 0.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; gap: 1rem;
  padding: 0.7rem 1.25rem;
}
.lesson-top .back {
  color: var(--color-text-light); text-decoration: none;
  font-size: 0.85rem; font-weight: 600; white-space: nowrap;
}
.lesson-top .back:hover { color: var(--color-navy); }
.course-name {
  font-size: 0.8rem; color: var(--color-text-light);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.top-progress { margin-left: auto; display: flex; align-items: center; gap: 0.6rem; }
.progress-bar { width: 110px; height: 6px; border-radius: 3px; background: var(--color-border); overflow: hidden; }
.progress-bar > i { display: block; height: 100%; width: 0; background: var(--color-gold); transition: width 0.4s; }
.top-progress .txt { font-size: 0.75rem; color: var(--color-text-light); font-variant-numeric: tabular-nums; }

/* ── Layout ──────────────────────────────────────────────────────── */
.wrap { max-width: 760px; margin: 0 auto; padding: 2rem 1.25rem 5rem; }

.lesson-header { margin-bottom: 2rem; }
.eyebrow {
  display: inline-block; background: rgba(212, 168, 67, 0.16); color: var(--color-gold-dark);
  padding: 0.3rem 0.9rem; border-radius: 100px;
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 700;
  margin-bottom: 1rem;
}
h1 {
  font-family: var(--font-heading); font-size: clamp(2rem, 6vw, 2.9rem);
  line-height: 1.12; margin: 0 0 0.6rem; font-weight: 800;
}
h1 em { color: var(--color-gold-dark); font-style: italic; }
.lesson-sub { color: var(--color-text-light); font-size: 1.05rem; margin: 0 0 1.1rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 100px; padding: 0.3rem 0.85rem; font-size: 0.78rem; color: var(--color-text-light);
}

/* How to use */
.howto {
  background: var(--color-cream); border-radius: 12px; padding: 1.25rem 1.5rem; margin: 2rem 0;
}
.howto h2 { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; margin: 0 0 0.75rem; color: var(--color-gold-dark); }
.howto ol { margin: 0; padding-left: 1.2rem; font-size: 0.95rem; color: var(--color-navy-light); }
.howto li { margin-bottom: 0.35rem; }

.hero { border-radius: 14px; overflow: hidden; margin: 2rem 0; box-shadow: 0 6px 28px rgba(27,42,74,0.12); }

/* ── Part dividers ───────────────────────────────────────────────── */
.part {
  display: flex; align-items: center; gap: 1rem;
  margin: 3.5rem 0 1.5rem;
}
.part::after { content: ''; flex: 1; height: 1px; background: var(--color-border); }
.part span {
  font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 700; color: var(--color-gold-dark);
}

/* ── Blocks ──────────────────────────────────────────────────────── */
.block {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 14px; padding: 1.75rem; margin-bottom: 1.5rem;
}
.block > h2 {
  font-family: var(--font-heading); font-size: 1.45rem; margin: 0 0 0.35rem; font-weight: 700;
}
.block-num {
  display: block; font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-gold-dark); font-weight: 700; margin-bottom: 0.5rem;
}
.task { color: var(--color-text-light); font-size: 0.92rem; margin: 0 0 1.25rem; }
.block.done { border-color: rgba(46, 125, 91, 0.4); }
.block.done .block-num::after { content: ' ✓'; color: var(--color-ok); }

/* ── Audio ───────────────────────────────────────────────────────── */
.au {
  flex: none; width: 32px; height: 32px; border-radius: 50%; cursor: pointer;
  border: 1.5px solid var(--color-border); background: var(--color-surface);
  color: var(--color-navy); display: inline-flex; align-items: center; justify-content: center;
  padding: 0; transition: all 0.18s;
}
.au::before {
  content: ''; width: 0; height: 0; margin-left: 3px;
  border-left: 9px solid currentColor; border-top: 6px solid transparent; border-bottom: 6px solid transparent;
}
.au:hover { border-color: var(--color-gold); color: var(--color-gold-dark); }
.au.playing { background: var(--color-gold); border-color: var(--color-gold); color: #fff; }
.au.playing::before {
  width: 10px; height: 11px; margin-left: 0; border: none;
  border-left: 3px solid currentColor; border-right: 3px solid currentColor;
}
.au.no-audio { opacity: 0.35; cursor: default; }

.audio-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.5rem; }
.au-wide {
  display: inline-flex; align-items: center; gap: 0.5rem; cursor: pointer;
  border: 1.5px solid var(--color-border); background: var(--color-surface);
  border-radius: 100px; padding: 0.45rem 1.1rem;
  font-family: inherit; font-size: 0.85rem; font-weight: 600; color: var(--color-navy);
  transition: all 0.18s;
}
.au-wide:hover { border-color: var(--color-gold); }
.au-wide.playing { background: var(--color-gold); border-color: var(--color-gold); color: #fff; }
.au-wide::before {
  content: ''; width: 0; height: 0;
  border-left: 8px solid currentColor; border-top: 5px solid transparent; border-bottom: 5px solid transparent;
}
.au-wide.playing::before {
  width: 9px; height: 10px; border: none;
  border-left: 3px solid currentColor; border-right: 3px solid currentColor;
}

/* ── Warm-up before the text ─────────────────────────────────────── */
/* A grid, not a wrapping row: with five choices the last one would stretch
   across a line of its own and read as the important answer. */
.mood-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.6rem; }
@media (max-width: 700px) { .mood-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 420px) { .mood-grid { grid-template-columns: repeat(2, 1fr); } }
.mood-btn {
  cursor: pointer; font-family: inherit; font-size: 0.85rem; line-height: 1.35;
  display: flex; flex-direction: column; align-items: center; gap: 0.45rem;
  background: var(--color-surface); border: 1.5px solid var(--color-border);
  border-radius: 12px; padding: 0.9rem 0.6rem; color: var(--color-navy); transition: all 0.16s;
}
.mood-btn .face { font-size: 1.9rem; line-height: 1; }
.mood-btn:hover { border-color: var(--color-gold); transform: translateY(-2px); }
.mood-btn.picked { border-color: var(--color-gold); background: #fffbf0; font-weight: 600; }
.mood-btn:not(.picked) { opacity: 1; }
.mood-grid.answered .mood-btn:not(.picked) { opacity: 0.45; }
.mood-reply {
  display: none; margin: 1.25rem 0 0; padding: 0.9rem 1.15rem;
  background: var(--color-cream); border-left: 3px solid var(--color-gold);
  border-radius: 0 10px 10px 0; font-size: 0.95rem; line-height: 1.65;
}
.mood-reply.show { display: block; }

/* ── Reading text ────────────────────────────────────────────────── */
.story { font-size: 1.12rem; line-height: 1.85; }
.story p { margin: 0 0 1.35rem; }
.story .lead::first-letter {
  font-family: var(--font-heading); font-size: 3.2rem; float: left;
  line-height: 0.85; padding: 0.1em 0.12em 0 0; color: var(--color-gold-dark);
}
/* One sentence standing on its own — the detail the story turns on. */
.story .beat {
  font-size: 1.18rem; color: var(--color-navy);
  padding-left: 1.1rem; border-left: 3px solid var(--color-gold);
}
.story .closing { font-family: var(--font-heading); font-size: 1.3rem; font-style: italic; color: var(--color-navy-light); }

/* Hoverable phrase */
.w {
  border-bottom: 1.5px dotted var(--color-gold); cursor: help; position: relative;
}
.w::after {
  content: attr(data-ua);
  position: absolute; left: 50%; bottom: 125%; transform: translateX(-50%);
  background: var(--color-navy); color: #fff; font-size: 0.82rem; line-height: 1.4;
  font-family: var(--font-body); font-style: normal; font-weight: 400;
  padding: 0.5rem 0.75rem; border-radius: 8px; white-space: normal; width: max-content; max-width: 240px;
  opacity: 0; visibility: hidden; transition: opacity 0.15s; pointer-events: none; z-index: 30;
  box-shadow: 0 4px 16px rgba(27,42,74,0.22);
}
.w:hover::after, .w.show::after { opacity: 1; visibility: visible; }

/* Ukrainian translation blocks */
.ua { display: none; }
body.show-ua .ua { display: block; }
.ua {
  border-left: 3px solid var(--color-cream); padding-left: 1rem; margin: -0.75rem 0 1.35rem;
  color: var(--color-text-light); font-size: 0.95rem; font-style: italic;
}
.ua-toggle {
  cursor: pointer; border: 1.5px solid var(--color-border); background: var(--color-surface);
  border-radius: 100px; padding: 0.45rem 1.1rem;
  font-family: inherit; font-size: 0.85rem; font-weight: 600; color: var(--color-text-light);
  transition: all 0.18s;
}
.ua-toggle:hover { border-color: var(--color-navy); color: var(--color-navy); }
body.show-ua .ua-toggle { background: var(--color-navy); border-color: var(--color-navy); color: #fff; }

/* Story figures */
.fig { margin: 1.75rem 0; }
.fig img { border-radius: 12px; }
.fig figcaption { font-size: 0.82rem; color: var(--color-text-light); margin-top: 0.5rem; font-style: italic; }
.fig-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.fig-pair:empty { display: none; }   /* both photos missing — leave no gap */
@media (max-width: 560px) { .fig-pair { grid-template-columns: 1fr; } }

/* ── Vocabulary ──────────────────────────────────────────────────── */
.vocab { list-style: none; margin: 0; padding: 0; }
.vocab li {
  display: flex; align-items: center; gap: 0.85rem;
  padding: 0.7rem 0; border-bottom: 1px solid var(--color-border);
}
.vocab li:last-child { border-bottom: none; }
.vocab .en { font-weight: 600; }
.vocab .ipa { color: var(--color-text-light); font-size: 0.85rem; }
.vocab .uk { margin-left: auto; color: var(--color-text-light); font-size: 0.9rem; text-align: right; }
@media (max-width: 620px) {
  .vocab li { flex-wrap: wrap; }
  .vocab .uk { margin-left: 43px; width: 100%; text-align: left; }
}

/* ── Dialogue ────────────────────────────────────────────────────── */
.scene-label {
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700;
  color: var(--color-gold-dark); margin: 2rem 0 1rem;
}
.scene-label:first-of-type { margin-top: 0; }
.line { display: flex; gap: 0.85rem; padding: 0.6rem 0.5rem; border-radius: 10px; align-items: flex-start; }
.line.active { background: rgba(212, 168, 67, 0.13); }
.line-body { flex: 1; }
.who { font-weight: 700; font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; display: block; margin-bottom: 0.15rem; }
.line.emma .who { color: var(--color-gold-dark); }
.line.nina .who { color: var(--color-navy-light); }
.line .stage { font-style: italic; color: var(--color-text-light); font-size: 0.9rem; }
.setting { color: var(--color-text-light); font-style: italic; font-size: 0.95rem; margin-bottom: 1.5rem; }

/* ── Grammar ─────────────────────────────────────────────────────── */
.gr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
@media (max-width: 560px) { .gr-grid { grid-template-columns: 1fr; } }
.gr-card { background: var(--color-cream); border-radius: 10px; padding: 0.9rem 1.1rem; }
.gr-card b { display: block; font-size: 1rem; }
.gr-card span { font-size: 0.88rem; color: var(--color-text-light); }
.callout {
  background: var(--color-cream); border-left: 3px solid var(--color-gold);
  padding: 1rem 1.25rem; border-radius: 0 10px 10px 0; margin: 1.25rem 0; font-size: 0.95rem;
}

/* ── Ukrainian on request ────────────────────────────────────────── */
/* Instructions are written in English. This reveals the Ukrainian for one
   instruction only, so a learner who is stuck is unblocked without being
   handed the translation of the story she is meant to be reading. */
.uk-btn {
  display: inline-block; vertical-align: baseline; margin-left: 0.4rem;
  cursor: pointer; font-family: inherit; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  background: none; border: 1.5px solid var(--color-border); border-radius: 100px;
  padding: 0.15rem 0.6rem; color: var(--color-text-light); transition: all 0.16s;
}
.uk-btn:hover { border-color: var(--color-gold); color: var(--color-gold-dark); }
.uk-btn.open { background: var(--color-navy); border-color: var(--color-navy); color: #fff; }
.t-ua {
  display: none; margin-top: 0.6rem; padding-left: 0.9rem;
  border-left: 2px solid var(--color-cream-dark, #e8dfd2);
  color: var(--color-text-light); font-size: 0.92rem; line-height: 1.65;
}
.howto .uk-btn, .takeaways + .uk-btn, .mission + textarea + .uk-btn { margin: 0.85rem 0 0; }

/* ── Exercises ───────────────────────────────────────────────────── */
.match-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.match-col { display: flex; flex-direction: column; gap: 0.5rem; }
.match-btn {
  text-align: left; cursor: pointer; font-family: inherit; font-size: 0.88rem;
  background: var(--color-surface); border: 1.5px solid var(--color-border); border-radius: 9px;
  padding: 0.65rem 0.85rem; color: var(--color-navy); transition: all 0.16s; line-height: 1.4;
}
.match-btn:hover:not(.matched) { border-color: var(--color-gold); }
.match-btn.selected { border-color: var(--color-gold); background: #fffbf0; font-weight: 600; }
.match-btn.matched { background: rgba(46,125,91,0.08); border-color: rgba(46,125,91,0.45); color: var(--color-ok); cursor: default; }
.match-btn.wrong { animation: shake 0.3s; border-color: var(--color-no); }
@keyframes shake { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }

.q-card { border-bottom: 1px solid var(--color-border); padding: 1rem 0; }
.q-card:last-of-type { border-bottom: none; }
.q-text { margin: 0 0 0.7rem; }
.opts { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.opt {
  cursor: pointer; font-family: inherit; font-size: 0.88rem;
  background: var(--color-surface); border: 1.5px solid var(--color-border); border-radius: 8px;
  padding: 0.45rem 1rem; color: var(--color-navy); transition: all 0.16s;
}
.opt:hover:not(.locked) { border-color: var(--color-gold); }
.opt.correct { background: rgba(46,125,91,0.1); border-color: var(--color-ok); color: var(--color-ok); font-weight: 600; }
.opt.wrong { background: rgba(192,57,43,0.08); border-color: var(--color-no); color: var(--color-no); }
.opt.locked { cursor: default; }
.fb { font-size: 0.88rem; margin-top: 0.6rem; min-height: 1.2em; }
.fb.ok { color: var(--color-ok); }
.fb.no { color: var(--color-no); }

.blank { display: inline-block; min-width: 110px; border-bottom: 2px solid var(--color-gold); text-align: center; font-weight: 600; }

.order-pool, .order-answer { display: flex; flex-direction: column; gap: 0.5rem; min-height: 40px; }
.order-answer { margin-bottom: 1rem; padding: 0.6rem; background: var(--color-cream); border-radius: 10px; }
.order-answer:empty::before { content: 'Tap the lines below and they appear here, in order'; color: var(--color-text-light); font-size: 0.85rem; }
.order-item {
  cursor: pointer; text-align: left; font-family: inherit; font-size: 0.88rem;
  background: var(--color-surface); border: 1.5px solid var(--color-border);
  border-radius: 9px; padding: 0.55rem 0.85rem; color: var(--color-navy);
}
.order-item.ok { border-color: var(--color-ok); color: var(--color-ok); }
.order-item.no { border-color: var(--color-no); color: var(--color-no); }

.tr-row { margin-bottom: 1rem; }
.tr-uk { font-size: 0.95rem; color: var(--color-text-light); margin-bottom: 0.4rem; }
.tr-en { font-size: 1.02rem; margin-bottom: 0.5rem; }   /* the sentence being listened to, not a prompt */
.tr-en .blank { min-width: 90px; }
input[type=text], textarea {
  width: 100%; font-family: inherit; font-size: 0.95rem; color: var(--color-navy);
  background: var(--color-surface); border: 1.5px solid var(--color-border);
  border-radius: 9px; padding: 0.6rem 0.85rem;
}
input[type=text]:focus, textarea:focus { outline: none; border-color: var(--color-gold); }
input.ok { border-color: var(--color-ok); }
input.no { border-color: var(--color-no); }
.answer-was { font-size: 0.85rem; color: var(--color-ok); margin-top: 0.3rem; }

.btn {
  cursor: pointer; font-family: inherit; font-size: 0.88rem; font-weight: 600;
  background: var(--color-navy); color: #fff; border: none; border-radius: 9px;
  padding: 0.6rem 1.4rem; transition: opacity 0.16s;
}
.btn:hover { opacity: 0.88; }
.btn.ghost { background: none; border: 1.5px solid var(--color-border); color: var(--color-text-light); }
.btn.ghost:hover { border-color: var(--color-navy); color: var(--color-navy); opacity: 1; }
.btn.gold { background: var(--color-gold); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.25rem; align-items: center; }

/* ── Speaking ────────────────────────────────────────────────────── */
.speak-block { border-color: rgba(212,168,67,0.5); }
.step-card {
  background: var(--color-cream); border-radius: 12px; padding: 1.25rem 1.4rem; margin-bottom: 0.75rem;
}
.step-card .cue { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-gold-dark); font-weight: 700; }
.step-card .prompt { font-size: 1.1rem; font-weight: 600; margin: 0.35rem 0 0.75rem; }
.model { display: none; align-items: center; gap: 0.6rem; font-size: 0.95rem; color: var(--color-navy-light); }
.model.show { display: flex; }

.rec-row { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; margin-top: 1rem; }
.rec-btn {
  cursor: pointer; font-family: inherit; font-size: 0.85rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--color-surface); border: 1.5px solid var(--color-border);
  border-radius: 100px; padding: 0.5rem 1.1rem; color: var(--color-navy);
}
.rec-btn::before { content: ''; width: 11px; height: 11px; border-radius: 50%; background: var(--color-no); }
.rec-btn.rec { background: var(--color-no); border-color: var(--color-no); color: #fff; }
.rec-btn.rec::before { border-radius: 2px; background: #fff; animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }
.rec-row audio { height: 36px; }

.rp-stage {
  background: var(--color-cream); border-radius: 12px; padding: 1.5rem; text-align: center; min-height: 150px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem;
}
.rp-who { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 700; color: var(--color-gold-dark); }
.rp-text { font-size: 1.15rem; line-height: 1.5; }
.rp-hint { color: var(--color-text-light); font-style: italic; }
.rp-turn { color: var(--color-gold-dark); font-weight: 700; }

.stt-result { margin-top: 1rem; font-size: 0.9rem; }
.stt-heard { background: var(--color-cream); border-radius: 9px; padding: 0.7rem 0.9rem; margin-bottom: 0.75rem; font-style: italic; }
.stt-list { list-style: none; margin: 0; padding: 0; }
.stt-list li { padding: 0.25rem 0; }
.stt-list li.hit { color: var(--color-ok); }
.stt-list li.hit::before { content: '✓ '; }
.stt-list li.miss { color: var(--color-text-light); }
.stt-list li.miss::before { content: '· '; }

.frame { background: var(--color-cream); border-radius: 10px; padding: 1rem 1.25rem; margin-bottom: 1rem; font-size: 0.95rem; line-height: 2; }
.frame b { color: var(--color-gold-dark); }

.timer-big { font-family: var(--font-heading); font-size: 3rem; font-weight: 800; color: var(--color-gold-dark); line-height: 1; }
.ai-box { margin-top: 1rem; background: var(--color-cream); border-radius: 10px; padding: 1rem 1.25rem; font-size: 0.95rem; display: none; }
.ai-box.show { display: block; }

.mission { display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 1rem; }
.mission input { margin-top: 0.35rem; width: 18px; height: 18px; accent-color: var(--color-gold); flex: none; }

/* ── Sending the work ────────────────────────────────────────────── */
.send-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; margin-bottom: 1.25rem; }
@media (max-width: 560px) { .send-fields { grid-template-columns: 1fr; } }
.send-fields label {
  display: flex; flex-direction: column; gap: 0.35rem;
  font-size: 0.8rem; font-weight: 600; color: var(--color-text-light);
}
.send-label { font-size: 0.8rem; color: var(--color-text-light); margin: 0 0 0.5rem; }
.send-preview {
  margin: 0; padding: 1rem 1.25rem; background: var(--color-cream); border-radius: 10px;
  font-family: inherit; font-size: 0.9rem; line-height: 1.7; color: var(--color-navy);
  white-space: pre-wrap; overflow-x: auto;
}

/* ── Takeaways / nav ─────────────────────────────────────────────── */
.takeaways { list-style: none; margin: 0; padding: 0; }
.takeaways li { padding: 0.6rem 0 0.6rem 1.75rem; position: relative; border-bottom: 1px solid var(--color-border); }
.takeaways li:last-child { border-bottom: none; }
.takeaways li::before { content: '→'; position: absolute; left: 0; color: var(--color-gold-dark); font-weight: 700; }

.lesson-nav {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  margin-top: 3rem; padding-top: 1.75rem; border-top: 1px solid var(--color-border); flex-wrap: wrap;
}
.lesson-nav a { color: var(--color-text-light); text-decoration: none; font-size: 0.88rem; font-weight: 600; }
.lesson-nav a:hover { color: var(--color-navy); }
.done-btn {
  cursor: pointer; font-family: inherit; font-size: 0.9rem; font-weight: 700;
  background: var(--color-gold); color: #fff; border: none; border-radius: 100px; padding: 0.7rem 1.8rem;
}
.done-btn.is-done { background: var(--color-ok); }

@media print {
  .lesson-top, .au, .au-wide, .btn, .rec-row, .lesson-nav, .ua-toggle { display: none !important; }
  .ua { display: block !important; }
  .block { break-inside: avoid; border: none; padding: 0; }
}