/* ==========================================================================
   Kiểu dáng riêng từng màn hình — hệ SYND
   ========================================================================== */

/* ==================== MÀN HÌNH CHÀO ==================== */
/* Người lần đầu vào chỉ thấy đúng một nút. Không sidebar, không menu. */
body.is-welcome .sidebar,
body.is-welcome .topbar { display: none; }
body.is-welcome .app { grid-template-columns: 1fr; }
body.is-welcome .content { max-width: none; padding: 0; }

.wel {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.2rem 4rem;
  text-align: center;
}

.wel__step { display: none; max-width: 460px; width: 100%; }
.wel__step.is-active { display: block; animation: fadeUp .35s ease; }

.wel__logo {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 1.3rem;
  border-radius: 18px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font-family: var(--font-cn);
  font-size: 34px;
}

.wel__stepNo { font-size: var(--fs-micro); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); margin-bottom: .6rem; }
.wel__title { font-size: 26px; line-height: 1.3; margin-bottom: .7rem; }
.wel__lead { font-size: var(--fs-lg); color: var(--text-2); line-height: 1.65; margin-bottom: 1.6rem; }
.wel__lead b { color: var(--text); }

.wel__points { list-style: none; padding: 0; text-align: left; display: grid; gap: .5rem; margin-bottom: 1.8rem; }
.wel__points li {
  display: flex;
  gap: .6rem;
  align-items: flex-start;
  padding: .65rem .85rem;
  margin: 0;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  font-size: var(--fs-body);
  color: var(--text-2);
}
.wel__points .ic { color: var(--accent); margin-top: .15rem; }
.wel__points b { color: var(--text); }

.wel__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  width: 100%;
  padding: .95rem 1.5rem;
  border-radius: var(--r);
  background: var(--accent);
  color: var(--text-in);
  font-size: var(--fs-lg);
  font-weight: 700;
  transition: background .2s, transform .1s;
}
.wel__cta:hover { background: var(--accent-hover); }

.wel__skip {
  display: block;
  margin: 1rem auto 0;
  color: var(--text-3);
  font-size: var(--fs-meta);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.wel__skip:hover { color: var(--text-2); }

.wel__try {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  width: 100%;
  padding: 1.6rem 1.2rem;
  border-radius: var(--r);
  background: var(--card);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  margin-bottom: 1.3rem;
  transition: all .2s;
}
.wel__try:hover { background: var(--card-hover); box-shadow: var(--sh-accent); }
.wel__try.is-playing { animation: recPulse 1.2s ease-in-out infinite; }
.wel__tryHz { font-family: var(--font-cn); font-size: 40px; color: var(--text); line-height: 1.2; }
.wel__tryVn { font-size: var(--fs-body); color: var(--text-2); }
.wel__tryHint { font-size: var(--fs-micro); color: var(--text-3); letter-spacing: .08em; text-transform: uppercase; margin-top: .3rem; }

.wel__ask p, .wel__fix p { font-size: var(--fs-body); color: var(--text-2); margin-bottom: .8rem; }
.wel__askBtns { display: flex; gap: .5rem; justify-content: center; flex-wrap: wrap; }
.wel__fix {
  padding: .9rem 1rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  text-align: left;
}
.wel__fix b { color: var(--text); }

.wel__rule {
  text-align: left;
  padding: 1rem 1.1rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  margin-bottom: 1.6rem;
}
.wel__rule > p { font-size: var(--fs-body); color: var(--text-3); margin-bottom: .7rem; }
.wel__ruleRow { display: flex; gap: .65rem; align-items: flex-start; font-size: var(--fs-body); color: var(--text-2); margin-bottom: .55rem; }
.wel__ruleRow:last-child { margin-bottom: 0; }
.wel__ruleRow b { color: var(--text); }
.wel__ruleNo {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  flex: none;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font-size: var(--fs-micro);
  font-weight: 700;
}

/* Ba nhánh theo hoàn cảnh người học */
.goalList { display: grid; gap: .5rem; text-align: left; }
.goalCard {
  display: flex;
  gap: .8rem;
  align-items: flex-start;
  padding: .95rem 1rem;
  border-radius: var(--r);
  background: var(--card);
  border: 1px solid var(--line-soft);
  color: var(--text-2);
  text-align: left;
  transition: all .2s;
}
.goalCard:hover { border-color: var(--accent-line); background: var(--card-hover); }
.goalCard .ic { color: var(--accent); margin-top: .15rem; flex: none; }
.goalCard > span { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .15rem; }
.goalCard strong { font-size: var(--fs-lg); color: var(--text); font-weight: 600; }
.goalCard span span { font-size: var(--fs-body); color: var(--text-3); line-height: 1.5; }
.goalCard__tag {
  margin-top: .3rem;
  font-size: var(--fs-micro) !important;
  color: var(--accent) !important;
  letter-spacing: .04em;
}

.wel__dots { display: flex; gap: .35rem; margin-top: 2rem; }
.wel__dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--line); transition: background .25s, width .25s; }
.wel__dots span.is-on { width: 18px; border-radius: 3px; background: var(--accent); }

/* ==================== TRANG CHỦ ==================== */
/* Người học chỉ được thấy tối đa hai việc có thể làm hôm nay. */

.today { max-width: 560px; margin: 0 auto; }
.today__hello { font-size: var(--fs-lg); color: var(--text-2); margin-bottom: 1.1rem; }

/* Việc chính — nút to nhất trang, không thể nhầm */
.bigAction {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.3rem 1.4rem;
  border-radius: var(--r);
  background:
    radial-gradient(80% 130% at 100% 0%, rgb(201 165 92 / 10%), transparent 62%),
    var(--card);
  border: 1px solid var(--accent-line);
  color: var(--text);
  margin-bottom: .6rem;
  transition: border-color .25s, box-shadow .25s, transform .12s;
}
.bigAction:hover { text-decoration: none; border-color: rgb(201 165 92 / 60%); box-shadow: var(--sh-accent); }
.bigAction:active { transform: scale(.995); }

.bigAction__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: var(--r-sm);
  background: var(--accent);
  color: var(--text-in);
  font-size: var(--fs-xl);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.bigAction__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .1rem; }
.bigAction__kicker { font-size: var(--fs-micro); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.bigAction__title { font-size: var(--fs-xl); line-height: 1.3; }
.bigAction__meta { font-size: var(--fs-meta); color: var(--text-3); }
.bigAction__go { color: var(--accent); flex: none; }

/* Việc phụ — nhỏ hơn hẳn để không tranh chấp sự chú ý */
.smallAction {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .75rem .95rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  color: var(--text-2);
  margin-bottom: 1.2rem;
  transition: border-color .2s;
}
.smallAction:hover { text-decoration: none; border-color: var(--accent-line); }
.smallAction .ic { color: var(--accent); }
.smallAction__body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.smallAction__body strong { font-size: var(--fs-body); color: var(--text); font-weight: 500; }
.smallAction__body span { font-size: var(--fs-meta); color: var(--text-3); }

.todayBar {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .6rem .85rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  font-size: var(--fs-meta);
  color: var(--text-3);
  margin-bottom: 1.6rem;
}
.todayBar b { color: var(--text); font-size: var(--fs-body); }
.todayBar .progress { flex: 1; }

.extras { margin-bottom: 1.4rem; }
.extras__label, .howTo__label {
  font-size: var(--fs-micro);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: .5rem;
}
.extras__list { display: grid; gap: .3rem; }
.extraRow {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .55rem .8rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  color: var(--text-2);
  transition: border-color .2s;
}
.extraRow:hover { text-decoration: none; border-color: var(--accent-line); }
.extraRow .ic { color: var(--text-3); }
.extraRow:hover .ic { color: var(--accent); }
.extraRow > span { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.extraRow strong { font-size: var(--fs-body); color: var(--text); font-weight: 500; }
.extraRow span span { font-size: var(--fs-micro); color: var(--text-3); }

.howTo__list { list-style: none; padding: 0; display: grid; gap: .3rem; }
.howTo__list li {
  padding: .6rem .85rem;
  margin: 0;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  font-size: var(--fs-body);
  color: var(--text-2);
}
.howTo__list b { color: var(--text); }

.nextUp {
  display: block;
  padding: 1.4rem 1.5rem;
  border-radius: var(--r);
  background:
    radial-gradient(90% 140% at 100% 0%, rgb(201 165 92 / 9%), transparent 60%),
    var(--card);
  border: 1px solid var(--accent-line);
  color: var(--text);
  margin-bottom: 1.1rem;
  transition: border-color .25s, box-shadow .25s;
}
.nextUp:hover { text-decoration: none; border-color: rgb(201 165 92 / 55%); box-shadow: var(--sh-accent); }

.nextUp__label { margin-bottom: .5rem; }
.nextUp__meta { font-size: var(--fs-meta); color: var(--text-3); margin-bottom: .15rem; }
.nextUp__title { font-size: var(--fs-2xl); font-weight: 600; line-height: 1.25; margin-bottom: .35rem; }
.nextUp__goal { font-size: var(--fs-body); color: var(--text-2); max-width: 60ch; margin-bottom: 1.1rem; }
.nextUp__go {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1.1rem;
  border-radius: var(--r-sm);
  background: var(--accent);
  color: var(--text-in);
  font-size: var(--fs-body);
  font-weight: 600;
}

.homeRow {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .7rem .95rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  margin-bottom: 1.1rem;
  font-size: var(--fs-body);
  flex-wrap: wrap;
}
.homeRow__item { display: flex; align-items: baseline; gap: .35rem; color: var(--text-3); }
.homeRow__item b { color: var(--text); font-size: var(--fs-md); font-variant-numeric: tabular-nums; }
.homeRow__sep { width: 1px; height: 16px; background: var(--line); }
.homeRow__bar { flex: 1; min-width: 140px; }

.homeSection { margin-bottom: 1.6rem; }
.homeSection__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .6rem;
}
.homeSection__head a { font-size: var(--fs-meta); color: var(--text-3); }
.homeSection__head a:hover { color: var(--accent); }

/* Dải 12 tuần gọn trong một hàng */
.weekStrip { display: grid; grid-template-columns: repeat(12, 1fr); gap: .25rem; }
.weekDot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .25rem;
  padding: .3rem .15rem .25rem;
  border-radius: var(--r-xs);
  background: var(--card);
  border: 1px solid var(--line-soft);
  color: var(--text-3);
  font-size: var(--fs-micro);
  font-weight: 600;
  line-height: 1.2;
  transition: all .2s;
}
.weekDot:hover { text-decoration: none; color: var(--text); border-color: var(--line-lit); }
.weekDot.is-current { border-color: var(--accent-line); color: var(--accent); background: var(--accent-dim); }
.weekDot.is-done { color: var(--accent); }
.weekDot__bar { width: 100%; height: 2px; border-radius: 1px; background: var(--line); overflow: hidden; }
.weekDot__bar span { display: block; height: 100%; background: var(--accent); }

/* Danh sách luyện tập — dòng đơn giản, không phải thẻ màu */
.practiceList { display: grid; gap: .35rem; }
.practiceRow {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .6rem .85rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  color: var(--text-2);
  transition: all .2s;
}
.practiceRow:hover { text-decoration: none; border-color: var(--accent-line); color: var(--text); }
.practiceRow .ic { color: var(--text-3); }
.practiceRow:hover .ic { color: var(--accent); }
.practiceRow__text { flex: 1; min-width: 0; }
.practiceRow__text strong { display: block; font-size: var(--fs-body); font-weight: 500; color: var(--text); }
.practiceRow__text span { font-size: var(--fs-meta); color: var(--text-3); }
.practiceRow__go { color: var(--text-3); }
.practiceRow:hover .practiceRow__go { color: var(--accent); }

.startGuide { display: grid; gap: .3rem; counter-reset: n; }
.startGuide li {
  list-style: none;
  position: relative;
  padding: .55rem .85rem .55rem 2.4rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  font-size: var(--fs-body);
  color: var(--text-2);
  margin: 0;
}
.startGuide li::before {
  counter-increment: n;
  content: counter(n);
  position: absolute;
  left: .8rem;
  top: .6rem;
  color: var(--accent);
  font-size: var(--fs-meta);
  font-weight: 700;
}
.startGuide strong { color: var(--text); font-weight: 600; }

/* ==================== LỘ TRÌNH ==================== */
.phaseSection { margin-bottom: 1.8rem; }
.phaseSection__head { margin-bottom: .8rem; padding-left: .7rem; border-left: 2px solid var(--accent-line); }
.phaseSection__head h2 { font-size: var(--fs-lg); }
.phaseSection__head p { margin: .15em 0 0; color: var(--text-3); font-size: var(--fs-meta); }

.weekGrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: .55rem; }

.weekCard {
  display: block;
  padding: .85rem .95rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  color: var(--text-2);
  transition: all .2s;
}
.weekCard:hover { text-decoration: none; border-color: var(--line-lit); }
.weekCard.is-current { border-color: var(--accent-line); }
.weekCard.is-done .weekCard__no { color: var(--accent); }
.weekCard__top { display: flex; align-items: center; gap: .4rem; margin-bottom: .3rem; }
.weekCard__no { font-size: var(--fs-micro); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); }
.weekCard__check { margin-left: auto; color: var(--accent); display: flex; }
.weekCard__now {
  margin-left: auto;
  font-size: var(--fs-micro);
  padding: .05rem .35rem;
  border-radius: var(--r-xs);
  background: var(--accent-dim);
  border: 1px solid var(--accent-line);
  color: var(--accent);
}
.weekCard__title { font-size: var(--fs-md); color: var(--text); margin-bottom: .15rem; }
.weekCard__sub { font-size: var(--fs-meta); color: var(--text-3); margin-bottom: .7rem; }

.weekPage__focus {
  padding: .65rem .85rem;
  border-radius: var(--r-sm);
  background: var(--input);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--accent-line);
  font-size: var(--fs-body);
  color: var(--text-2);
  margin-bottom: 1.1rem;
}
.weekPage__progress { min-width: 160px; }

.lessonList { list-style: none; padding: 0; display: grid; gap: .35rem; margin-bottom: 1.3rem; }
.lessonRow { margin: 0; }
.lessonRow__link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .7rem .9rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  color: var(--text-2);
  transition: all .2s;
}
a.lessonRow__link:hover { text-decoration: none; border-color: var(--accent-line); background: var(--card-hover); }
.lessonRow.is-locked .lessonRow__link { opacity: .45; }

.lessonRow__marker {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  flex: none;
  border-radius: var(--r-xs);
  background: var(--input);
  border: 1px solid var(--line-soft);
  font-size: var(--fs-meta);
  font-weight: 600;
  color: var(--text-3);
}
.lessonRow.is-done .lessonRow__marker { background: var(--accent-dim); border-color: var(--accent-line); color: var(--accent); }

.lessonRow__body { flex: 1; min-width: 0; }
.lessonRow__meta { display: flex; gap: .25rem; flex-wrap: wrap; margin-bottom: .2rem; }
.lessonRow__title { font-size: var(--fs-md); color: var(--text); margin-bottom: .1rem; }
.lessonRow__goal { font-size: var(--fs-meta); color: var(--text-3); margin: 0 0 .15rem; }
.lessonRow__counts { font-size: var(--fs-micro); color: var(--text-3); margin: 0; }
.lessonRow__go { color: var(--text-3); flex: none; display: flex; }
a.lessonRow__link:hover .lessonRow__go { color: var(--accent); }

.weekNav { display: flex; justify-content: space-between; gap: 1rem; }

/* ==================== BÀI HỌC ==================== */
.lessonHead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.lessonHead__eyebrow { margin-bottom: .25rem; }
.lessonHead__title { font-size: var(--fs-2xl); margin-bottom: .25rem; }
.lessonHead__goal { color: var(--text-3); font-size: var(--fs-body); margin: 0; }

/* Thanh trên của bài học: thoát · tên bài · vạch tiến độ · số phần */
.lessonTop {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding-bottom: .8rem;
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--line-soft);
}
.lessonTop__exit {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: none;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  color: var(--text-3);
}
.lessonTop__exit:hover { color: var(--text); border-color: var(--line-lit); }
.lessonTop__mid { flex: 1; min-width: 0; }
.lessonTop__name {
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--text);
  margin-bottom: .35rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lessonTop__track { display: flex; gap: 3px; }
.lessonTop__track span {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--line);
  transition: background .3s;
}
.lessonTop__track span.is-done { background: rgb(201 165 92 / 45%); }
.lessonTop__track span.is-on { background: var(--accent); }
.lessonTop__pos { font-size: var(--fs-meta); color: var(--text-3); font-variant-numeric: tabular-nums; flex: none; }

/* Thanh dưới dính màn hình — người học chỉ cần bấm nút này để đi tiếp */
.nextBar {
  position: sticky;
  bottom: 0;
  z-index: 20;
  display: flex;
  gap: .5rem;
  padding: .8rem 0 1rem;
  margin-top: 1.6rem;
  background: linear-gradient(180deg, transparent, var(--bg) 26%);
}
.nextBar__back {
  display: grid;
  place-items: center;
  width: 46px;
  flex: none;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text-3);
  transition: all .2s;
}
.nextBar__back:hover:not(:disabled) { color: var(--text); border-color: var(--line-lit); }
.nextBar__back:disabled { opacity: .3; cursor: not-allowed; }
.nextBar__go {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .85rem 1.2rem;
  border-radius: var(--r-sm);
  background: var(--accent);
  color: var(--text-in);
  font-size: var(--fs-lg);
  font-weight: 700;
  transition: background .2s;
}
.nextBar__go:hover { background: var(--accent-hover); }

.stepPanel__part {
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: .6rem;
}

.stepPanel { display: none; }
.stepPanel.is-active { display: block; animation: fadeUp .25s ease; }
.stepPanel__title { font-size: var(--fs-xl); margin-bottom: .25rem; }
.stepPanel__hint { color: var(--text-3); font-size: var(--fs-body); margin-bottom: .9rem; }

.panelToolbar { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: .9rem; }

/* --- Từ vựng & mẫu câu --- */
.vocabList, .patternList { list-style: none; padding: 0; display: grid; gap: .3rem; }

.vocabRow, .patternRow {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .65rem .85rem;
  margin: 0;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  transition: border-color .2s;
}
.vocabRow:hover, .patternRow:hover { border-color: var(--line-lit); }

.vocabRow { padding: .5rem .8rem; }

.vocabRow__no {
  width: 16px;
  flex: none;
  font-size: var(--fs-micro);
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.vocabRow__hz {
  flex: none;
  min-width: 2.4em;
  font-family: var(--font-cn);
  font-size: 26px;
  line-height: 1.3;
  color: var(--text);
}

.vocabRow__main, .patternRow__main { flex: 1; min-width: 0; }
.vocabRow__gloss { display: flex; align-items: baseline; gap: .35rem; flex-wrap: wrap; }
.vocabRow__py { font-size: var(--fs-body); color: var(--accent); }
.vocabRow__vn { font-size: var(--fs-body); color: var(--text-2); }
.vocabRow__dot { color: var(--text-3); }
.vocabRow__note { font-size: var(--fs-micro); color: var(--text-3); margin-top: .1rem; }
.vocabRow__tags { display: flex; flex-direction: column; gap: .2rem; align-items: flex-end; flex: none; }
.vocabRow__actions, .patternRow__actions { display: flex; gap: .25rem; flex: none; }

.patternRow__hz { font-size: var(--fs-xl); line-height: 1.45; color: var(--text); }
.patternRow__py { font-size: var(--fs-meta); color: var(--accent); }
.patternRow__vn { font-size: var(--fs-body); color: var(--text-2); }
.patternRow__explain {
  font-size: var(--fs-meta);
  color: var(--text-3);
  margin-top: .25rem;
  padding-top: .25rem;
  border-top: 1px solid var(--line-soft);
}

/* --- Mẹo --- */
.tips {
  margin-top: 1.2rem;
  padding: .85rem 1rem;
  border-radius: var(--r-sm);
  background: var(--input);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--accent-line);
}
.tips__title { display: flex; align-items: center; gap: .35rem; font-size: var(--fs-body); color: var(--accent); margin-bottom: .45rem; }
.tips__list { margin: 0; padding-left: 1.1em; font-size: var(--fs-body); color: var(--text-2); }
.tips__list li { margin-bottom: .3em; }

/* --- Luyện âm --- */
.drill { margin-bottom: 1.2rem; }
.drill__label { font-size: var(--fs-body); color: var(--accent); margin-bottom: .5rem; }
.drill__list { list-style: none; padding: 0; display: grid; gap: .3rem; }
.drill__item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem .8rem;
  margin: 0;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
}
.drill__text { flex: 1; min-width: 0; }
.drill__hz { display: block; font-family: var(--font-cn); font-size: var(--fs-xl); color: var(--text); }
.drill__py { display: block; font-size: var(--fs-meta); color: var(--accent); }
.drill__vn { display: block; font-size: var(--fs-meta); color: var(--text-3); }

/* --- Ngữ pháp --- */
.grammarList { display: grid; gap: .55rem; }
.grammarCard {
  padding: .95rem 1.05rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--accent-line);
}
.grammarCard__title { font-size: var(--fs-md); color: var(--accent); margin-bottom: .35rem; }
.grammarCard__body { font-size: var(--fs-body); color: var(--text-2); margin-bottom: .75rem; }
.grammarCard__examples { list-style: none; padding: 0; display: grid; gap: .3rem; }

.grammarEx {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .1rem .5rem;
  padding: .5rem .7rem;
  margin: 0;
  border-radius: var(--r-xs);
  background: var(--input);
}
.grammarEx__hz { grid-column: 1; font-family: var(--font-cn); font-size: var(--fs-lg); color: var(--text); }
.grammarEx__py { grid-column: 1; font-size: var(--fs-meta); color: var(--accent); }
.grammarEx__vn { grid-column: 1; font-size: var(--fs-meta); color: var(--text-3); }
.grammarEx__audio { grid-column: 2; grid-row: 1 / span 3; align-self: center; }

/* --- Hội thoại --- */
.chat { display: flex; flex-direction: column; gap: .5rem; }
.chat.hide-vn .chatBubble__vn { display: none; }

.chatLine { display: flex; flex-direction: column; max-width: 78%; }
.chatLine--left { align-self: flex-start; }
.chatLine--right { align-self: flex-end; align-items: flex-end; }
.chatLine__spk { font-size: var(--fs-micro); color: var(--text-3); padding: 0 .5rem .1rem; }

.chatBubble {
  padding: .6rem .8rem;
  border-radius: var(--r);
  background: var(--card);
  border: 1px solid var(--line-soft);
  transition: all .2s;
}
.chatLine--left .chatBubble { border-bottom-left-radius: var(--r-xs); }
.chatLine--right .chatBubble { border-bottom-right-radius: var(--r-xs); background: var(--input); }
.chatLine.is-speaking .chatBubble { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent-line); }
.chatBubble__hz { font-size: var(--fs-lg); line-height: 1.55; color: var(--text); }
.chatBubble__py { font-size: var(--fs-meta); color: var(--accent); margin-top: .1rem; }
.chatBubble__vn { font-size: var(--fs-meta); color: var(--text-3); margin-top: .1rem; }
.chatBubble__actions { margin-top: .4rem; }

/* --- Luyện nói trong bài --- */
.speakList { list-style: none; padding: 0; display: grid; gap: .35rem; }
.speakItem {
  padding: .75rem .9rem;
  margin: 0;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
}
.speakItem__hz { font-family: var(--font-cn); font-size: var(--fs-xl); color: var(--text); }
.speakItem__py { font-size: var(--fs-meta); color: var(--accent); }
.speakItem__vn { font-size: var(--fs-meta); color: var(--text-3); }
.speakItem__controls { display: flex; gap: .35rem; flex-wrap: wrap; margin-top: .55rem; align-items: center; }
.speakItem__result, .speakCard__result {
  margin-top: .6rem;
  padding: .7rem .85rem;
  border-radius: var(--r-sm);
  background: var(--input);
  border: 1px solid var(--line-soft);
  font-size: var(--fs-body);
  color: var(--text-2);
}
.speakItem__result.is-listening, .speakCard__result.is-listening { border-color: var(--accent-line); color: var(--accent); }
.speakItem__result.is-error, .speakCard__result.is-error { border-color: rgb(196 92 92 / 35%); color: var(--err); }
.speakItem__result.is-great, .speakItem__result.is-good,
.speakCard__result.is-great, .speakCard__result.is-good { border-color: var(--accent-line); }

.speakSummary {
  margin-top: 1rem;
  padding: .9rem 1rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
}
.speakSummary h3 { font-size: var(--fs-body); color: var(--text-2); margin-bottom: .5rem; }
.speakSummary__grid { display: flex; gap: 1.8rem; margin-bottom: .5rem; }
.speakSummary__grid strong { display: block; font-size: var(--fs-xl); color: var(--accent); line-height: 1; }
.speakSummary__grid span { font-size: var(--fs-micro); color: var(--text-3); }
.speakSummary__note { font-size: var(--fs-meta); color: var(--text-3); margin: 0; }

/* --- Kết thúc bài --- */
.finish { text-align: center; padding: 1.8rem 1rem; }
.finish__icon { color: var(--accent); margin-bottom: .6rem; }
.finish__text { color: var(--text-3); font-size: var(--fs-body); max-width: 50ch; margin: 0 auto 1.2rem; }
.finish__checklist {
  display: inline-flex;
  flex-direction: column;
  gap: .4rem;
  text-align: left;
  margin-bottom: 1.3rem;
  padding: .85rem 1rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
}
.finish__checklist label { display: flex; gap: .5rem; align-items: center; font-size: var(--fs-body); color: var(--text-2); cursor: pointer; }
.finish__checklist input { width: 14px; height: 14px; accent-color: var(--accent); }
.finish__actions { display: flex; gap: .5rem; justify-content: center; flex-wrap: wrap; }

.lessonNav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
}
.lessonNav__pos { font-size: var(--fs-meta); color: var(--text-3); font-variant-numeric: tabular-nums; }
.lessonFoot { display: flex; justify-content: space-between; margin-top: 1rem; }

/* ==================== TÀI KHOẢN ==================== */
.moiLuu {
  display: flex;
  align-items: center;
  gap: .7rem;
  flex-wrap: wrap;
  padding: .8rem .95rem;
  border-radius: var(--r-sm);
  background: rgb(201 165 92 / 7%);
  border: 1px solid var(--accent-line);
  margin-bottom: 1.1rem;
}
.moiLuu .ic { color: var(--accent); flex: none; }
.moiLuu__text { flex: 1; min-width: 180px; display: flex; flex-direction: column; }
.moiLuu__text strong { font-size: var(--fs-body); color: var(--text); }
.moiLuu__text span { font-size: var(--fs-meta); color: var(--text-3); }
.moiLuu__act { display: flex; gap: .4rem; flex: none; }

.acc { max-width: 480px; margin: 0 auto; }

.accTabs { display: flex; gap: .3rem; margin-bottom: 1.1rem; }
.accTab {
  flex: 1;
  padding: .55rem .8rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--card);
  color: var(--text-3);
  font-size: var(--fs-body);
  transition: all .2s;
}
.accTab.is-active { background: var(--accent-dim); border-color: var(--accent-line); color: var(--accent); font-weight: 600; }

.accForm { display: none; }
.accForm.is-active { display: block; animation: fadeUp .22s ease; }
.accForm--pwd {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
}
.accForm--pwd:not([hidden]) { display: block; }

.accErr {
  padding: .6rem .8rem;
  margin-bottom: .8rem;
  border-radius: var(--r-sm);
  background: var(--err-bg);
  border: 1px solid rgb(196 92 92 / 32%);
  color: var(--err);
  font-size: var(--fs-body);
}

.accNote {
  display: flex;
  gap: .45rem;
  align-items: flex-start;
  margin-top: 1.3rem;
  padding: .75rem .9rem;
  border-radius: var(--r-sm);
  background: var(--input);
  border: 1px solid var(--line-soft);
  font-size: var(--fs-meta);
  color: var(--text-3);
}
.accNote .ic { color: var(--text-3); margin-top: .1rem; flex: none; }

.accInfo {
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  margin-bottom: 1rem;
  overflow: hidden;
}
.accInfo__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .7rem .95rem;
  border-bottom: 1px solid var(--line-soft);
  font-size: var(--fs-body);
}
.accInfo__row:last-child { border-bottom: none; }
.accInfo__row span { color: var(--text-3); }
.accInfo__row b { color: var(--text); font-weight: 500; }

.accActions { display: flex; gap: .45rem; flex-wrap: wrap; }

.chonTienDo { display: grid; gap: .6rem; }
.chonTienDo__card {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding: 1.1rem;
  border-radius: var(--r);
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--text-2);
  text-align: left;
  transition: all .2s;
}
.chonTienDo__card:hover { border-color: var(--accent-line); background: var(--card-hover); }
.chonTienDo__card .ic { color: var(--accent); margin-bottom: .3rem; }
.chonTienDo__card strong { font-size: var(--fs-lg); color: var(--text); }
.chonTienDo__so { font-size: var(--fs-2xl); color: var(--accent); font-weight: 600; line-height: 1.2; }
.chonTienDo__card > span:last-child { font-size: var(--fs-meta); color: var(--text-3); }

/* ==================== SỔ TAY CẤP CỨU ==================== */
.pbHead { margin-bottom: 1rem; }
.pbHead h1 { font-size: var(--fs-2xl); margin-bottom: .2rem; }
.pbHead p { font-size: var(--fs-body); color: var(--text-3); }
.pbHead b { color: var(--text-2); }

.pbSearch {
  position: sticky;
  top: var(--topbar-h);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .8rem;
  margin-bottom: 1.1rem;
  border-radius: var(--r-sm);
  background: var(--input);
  border: 1px solid var(--line);
}
.pbSearch .ic { color: var(--text-3); }
.pbSearch input {
  flex: 1;
  min-width: 0;
  background: none;
  border: none;
  color: var(--text);
  font-size: var(--fs-body);
  outline: none;
}

.pbGroup { margin-bottom: 1.3rem; }
.pbGroup__title {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: .5rem;
}
.pbGroup__hint { text-transform: none; letter-spacing: 0; opacity: .75; }
.pbGroup--urgent .pbGroup__title { color: var(--accent); }
.pbList { display: grid; gap: .3rem; }

.pbRow {
  display: flex;
  align-items: center;
  gap: .7rem;
  width: 100%;
  padding: .6rem .8rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  text-align: left;
  transition: border-color .2s, background .2s;
}
.pbRow:hover { border-color: var(--accent-line); background: var(--card-hover); }
.pbRow__text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.pbRow__vn { font-size: var(--fs-body); color: var(--text); }
.pbRow__hz { font-family: var(--font-cn); font-size: var(--fs-lg); color: var(--accent); margin-top: .1rem; }
.pbRow__py { font-size: var(--fs-micro); color: var(--text-3); }
.pbRow__play, .pbRow__show {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: none;
  border-radius: var(--r-xs);
  border: 1px solid var(--line);
  color: var(--text-3);
}
.pbRow__play:hover { color: var(--accent); border-color: var(--accent-line); }
.pbRow:hover .pbRow__show { color: var(--accent); border-color: var(--accent-line); }

.pbEmpty { padding: 2rem 1rem; text-align: center; color: var(--text-3); font-size: var(--fs-body); }
.pbEmpty b { color: var(--text-2); }

/* Màn hình đưa cho người Trung Quốc đọc — chữ to hết cỡ, không có gì gây nhiễu */
.showCard {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  animation: scaleIn .18s ease;
}
body.is-showing { overflow: hidden; }

.showCard__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  color: var(--text-3);
  z-index: 2;
}
.showCard__close:hover { color: var(--text); }

.showCard__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 3.5rem 1.5rem 1rem;
  text-align: center;
}
/* Chữ phải to hết cỡ để người đối diện đọc được từ xa, kể cả người lớn tuổi.
   Câu dài sẽ tự xuống dòng nhờ max-width tính theo số chữ. */
.showCard__hz {
  font-family: var(--font-cn);
  font-size: clamp(42px, 15vw, 104px);
  line-height: 1.22;
  color: var(--text);
  font-weight: 500;
  max-width: 9ch;
}
.showCard__py { font-size: clamp(15px, 3.2vw, 24px); color: var(--accent); }
.showCard__vn { font-size: var(--fs-lg); color: var(--text-3); }

.showCard__foot {
  padding: 1rem 1.5rem 2.2rem;
  text-align: center;
  border-top: 1px solid var(--line-soft);
}
.showCard__note { font-size: var(--fs-meta); color: var(--text-3); margin-top: .7rem; }

/* ==================== GIẢ LẬP NÓI CHUYỆN ==================== */
.rpGroup { margin-bottom: 1.3rem; }
.rpGroup__label {
  font-size: var(--fs-micro);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: .5rem;
}
.rpGroup__list { display: grid; gap: .35rem; }

.rpCard {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .8rem .95rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  color: var(--text-2);
  transition: border-color .2s;
}
.rpCard:hover { text-decoration: none; border-color: var(--accent-line); }
.rpCard .ic { color: var(--text-3); flex: none; }
.rpCard:hover .ic { color: var(--accent); }
.rpCard__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .1rem; }
.rpCard__body strong { font-size: var(--fs-md); color: var(--text); font-weight: 500; }
.rpCard__body > span { font-size: var(--fs-meta); color: var(--text-3); }
.rpCard__meta { font-size: var(--fs-micro) !important; color: var(--accent) !important; opacity: .8; }

.rpLocked {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem .9rem;
  border-radius: var(--r-sm);
  background: var(--input);
  border: 1px dashed var(--line);
  font-size: var(--fs-meta);
  color: var(--text-3);
}
.rpLocked b { color: var(--text-2); }

/* --- Trong một tình huống --- */
.rpTop {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding-bottom: .8rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line-soft);
}
.rpTop__mid { flex: 1; min-width: 0; }
.rpTop__title { font-size: var(--fs-body); font-weight: 600; color: var(--text); }
.rpTop__place { font-size: var(--fs-micro); color: var(--text-3); }

.rpChat {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-bottom: 1.2rem;
  min-height: 40px;
}

.rpLine { display: flex; flex-direction: column; max-width: 80%; animation: fadeUp .25s ease; }
.rpLine--them { align-self: flex-start; }
.rpLine--you { align-self: flex-end; align-items: flex-end; }
.rpLine__who { font-size: var(--fs-micro); color: var(--text-3); padding: 0 .5rem .12rem; }

.rpBubble {
  position: relative;
  padding: .65rem .85rem;
  border-radius: var(--r);
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-bottom-left-radius: var(--r-xs);
}
.rpBubble--you {
  background: rgb(201 165 92 / 9%);
  border-color: var(--accent-line);
  border-bottom-left-radius: var(--r);
  border-bottom-right-radius: var(--r-xs);
}
.rpBubble__hz { font-size: var(--fs-lg); line-height: 1.5; color: var(--text); }
.rpBubble__py { font-size: var(--fs-meta); color: var(--accent); margin-top: .1rem; }
.rpBubble__vn { font-size: var(--fs-meta); color: var(--text-3); margin-top: .1rem; }
.rpBubble .iconBtn { margin-top: .4rem; }
.rpBubble__score {
  display: inline-block;
  margin-top: .35rem;
  padding: .05rem .4rem;
  border-radius: var(--r-xs);
  font-size: var(--fs-micro);
  font-weight: 600;
  border: 1px solid var(--line);
}
.rpBubble__score.is-ok { color: var(--accent); border-color: var(--accent-line); }
.rpBubble__score.is-weak { color: var(--text-3); }

/* Khối "đến lượt bạn" — dính đáy để lúc nào cũng thấy nút nói */
.rpStage { position: sticky; bottom: 0; padding-bottom: .8rem;
  background: linear-gradient(180deg, transparent, var(--bg) 22%); }

.rpTurn {
  padding: 1rem 1.1rem;
  border-radius: var(--r);
  background: var(--card);
  border: 1px solid var(--accent-line);
  animation: fadeUp .25s ease;
}
.rpTurn__label {
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .35rem;
}
.rpTurn__goal { font-size: var(--fs-lg); color: var(--text); line-height: 1.45; margin-bottom: .9rem; }
.rpTurn__actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

/* Lối thoát luôn có — không mic, không hỗ trợ, hay đang ở chỗ đông người */
.rpTurn__pass {
  display: flex;
  align-items: center;
  gap: .3rem;
  margin: .8rem auto 0;
  padding: .3rem .6rem;
  color: var(--text-3);
  font-size: var(--fs-meta);
  border-radius: var(--r-xs);
  transition: color .2s;
}
.rpTurn__pass:hover { color: var(--text-2); background: var(--input); }

.rpHint {
  padding: .6rem .75rem;
  border-radius: var(--r-sm);
  background: var(--input);
  border: 1px solid var(--line-soft);
  margin-bottom: .8rem;
}
.rpHint__row { display: flex; gap: .5rem; align-items: baseline; font-size: var(--fs-body); color: var(--text-2); margin-bottom: .2rem; }
.rpHint__row:last-child { margin-bottom: 0; }
.rpHint__tag {
  flex: none;
  min-width: 62px;
  font-size: var(--fs-micro);
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.rpHint__row b { color: var(--text); font-size: var(--fs-lg); font-weight: 500; }

.rpResult {
  margin-top: .8rem;
  padding: .7rem .85rem;
  border-radius: var(--r-sm);
  background: var(--input);
  border: 1px solid var(--line-soft);
  font-size: var(--fs-body);
  color: var(--text-2);
}
.rpResult.is-listening { border-color: var(--accent-line); color: var(--accent); }
.rpResult.is-error { border-color: rgb(196 92 92 / 35%); color: var(--err); }
.rpResult.is-ok { border-color: var(--accent-line); }
.rpResult__head { display: flex; align-items: center; gap: .45rem; margin-bottom: .4rem; }
.rpResult__head .ic { color: var(--accent); }
.rpResult__head strong { color: var(--text); }
.rpResult__score { margin-left: auto; font-size: var(--fs-lg); font-weight: 600; color: var(--accent); font-variant-numeric: tabular-nums; }
.rpResult__heard { font-size: var(--fs-meta); color: var(--text-3); }
.rpResult__hint {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
  margin-top: .45rem;
  padding-top: .45rem;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-meta);
}
.rpResult__hint b { font-size: var(--fs-lg); color: var(--text); }
.rpResult__actions { display: flex; gap: .45rem; margin-top: .7rem; flex-wrap: wrap; align-items: center; }

@media (max-width: 820px) {
  .rpLine { max-width: 92%; }

  /* Thanh trên đã ghi tên tình huống rồi, không lặp lại lần nữa cho tốn chỗ.
     Giữ lại bối cảnh vì đó là thứ người học cần để nhập vai. */
  .rpTop__title { display: none; }
  .rpTop__place { font-size: var(--fs-body); color: var(--text-2); }

  /* Đẩy khối "đến lượt bạn" xuống đáy màn hình thay vì để lơ lửng giữa khoảng trống:
     ngón cái với tới nút thu âm dễ hơn, và mắt luôn biết nhìn đâu. */
  .rp { display: flex; flex-direction: column; min-height: calc(100dvh - var(--topbar-h) - 2rem); }
  .rpChat { flex: 1; }
  .rpTurn__goal { font-size: var(--fs-lg); }
}

/* ==================== QUIZ ==================== */
.quizHead { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .7rem; }
.quizHead__title { font-size: var(--fs-xl); }
.quizHead__score { font-size: var(--fs-meta); color: var(--text-3); font-variant-numeric: tabular-nums; }
.quizProgress { margin-bottom: 1.4rem; }

.qCard {
  padding: 1.3rem;
  border-radius: var(--r);
  background: var(--card);
  border: 1px solid var(--line-soft);
  animation: fadeUp .25s ease;
}
.qCard__prompt { margin-bottom: .9rem; }
.qCard__subject { text-align: center; margin-bottom: 1.3rem; }
.qCard__options { display: grid; gap: .35rem; }
.qCard__feedback {
  margin-top: 1rem;
  padding: .75rem .9rem;
  border-radius: var(--r-sm);
  font-size: var(--fs-body);
  border: 1px solid var(--line);
  background: var(--input);
  color: var(--text-2);
}
.qCard__feedback.is-ok { border-color: var(--accent-line); }
.qCard__feedback.is-ok strong { color: var(--accent); }
.qCard__feedback.is-bad { border-color: rgb(196 92 92 / 30%); }
.qCard__feedback.is-bad strong { color: var(--err); }

.qHanzi { font-family: var(--font-cn); font-size: 44px; line-height: 1.25; color: var(--text); }
.qSentence { font-family: var(--font-cn); font-size: var(--fs-2xl); line-height: 1.5; color: var(--text); }
.qPinyin { font-size: var(--fs-md); color: var(--accent); }
.qViet { font-size: var(--fs-xl); color: var(--text); }

/* ==================== ÔN TẬP SRS ==================== */
.reviewHead { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .7rem; flex-wrap: wrap; }
.reviewHead h1 { font-size: var(--fs-xl); }
.reviewHead p { font-size: var(--fs-meta); color: var(--text-3); margin: 0; }
.reviewHead__count { font-size: var(--fs-meta); color: var(--text-3); font-variant-numeric: tabular-nums; }
.reviewProgress { margin-bottom: 1.4rem; }
.reviewHint { text-align: center; margin-top: 1.2rem; font-size: var(--fs-micro); color: var(--text-3); }
.deckStats { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: .4rem; margin-top: 1.3rem; }

/* Giới hạn bề ngang để mắt tập trung vào một chữ, không phải quét cả màn hình */
.cardStage { max-width: 540px; margin: 0 auto; }

.flashcard {
  padding: 2rem 1.3rem 1.2rem;
  border-radius: var(--r);
  background: var(--card);
  border: 1px solid var(--line-soft);
  text-align: center;
  position: relative;
  animation: scaleIn .22s ease;
}
.flashcard__tag {
  position: absolute;
  top: .7rem;
  left: .7rem;
  padding: .1rem .45rem;
  border-radius: var(--r-xs);
  background: var(--accent-dim);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font-size: var(--fs-micro);
}
.flashcard__front { display: flex; flex-direction: column; align-items: center; gap: .8rem; margin-bottom: 1.2rem; }
.flashcard__hz { font-family: var(--font-cn); font-size: 60px; line-height: 1.15; color: var(--text); }
.flashcard__back { padding: 1rem 0; border-top: 1px solid var(--line-soft); margin-bottom: 1rem; animation: fadeUp .2s ease; }
.flashcard__py { font-size: var(--fs-xl); color: var(--accent); }
.flashcard__vn { font-size: var(--fs-lg); color: var(--text); margin-top: .15rem; }
.flashcard__note { font-size: var(--fs-meta); color: var(--text-3); margin-top: .4rem; }

.ratings { display: grid; grid-template-columns: repeat(4, 1fr); gap: .35rem; }
.ratingBtn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .05rem;
  padding: .55rem .3rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: var(--input);
  color: var(--text-2);
  font-size: var(--fs-meta);
  transition: all .2s;
}
.ratingBtn:hover { border-color: var(--accent-line); color: var(--accent); }
.ratingBtn small { font-size: var(--fs-micro); color: var(--text-3); }
.ratingBtn kbd { margin-top: .15rem; }
.ratingBtn--bad:hover { border-color: rgb(196 92 92 / 40%); color: var(--err); }

/* ==================== THANH ĐIỆU / NGHE / NÓI ==================== */
.toneGrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: .55rem; }

.toneCard {
  padding: .95rem 1.05rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
}
.toneCard__head { display: flex; align-items: center; gap: .7rem; margin-bottom: .7rem; }
.toneCard__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: var(--r-sm);
  background: var(--accent-dim);
  border: 1px solid var(--accent-line);
  color: var(--accent);
}
.toneCard__head h3 { font-size: var(--fs-md); }
.toneCard__contour { font-size: var(--fs-micro); color: var(--text-3); margin: 0; }
.toneCard__example { margin-left: auto; font-family: var(--font-cn); font-size: var(--fs-lg); color: var(--accent); }
.toneCard__vi { font-size: var(--fs-body); color: var(--text-2); margin-bottom: .35em; }
.toneCard__tip, .toneCard__trap { font-size: var(--fs-meta); color: var(--text-3); margin-bottom: .3em; }
.toneCard__trap { color: var(--accent); opacity: .85; }
.toneCard__demos, .ruleCard__demos { display: flex; gap: .3rem; flex-wrap: wrap; margin-top: .6rem; }

.demoChip {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .2rem .25rem .2rem .5rem;
  border-radius: var(--r-xs);
  background: var(--input);
  border: 1px solid var(--line-soft);
  font-family: var(--font-cn);
  font-size: var(--fs-lg);
  color: var(--text-2);
}

.ruleList { display: grid; gap: .55rem; }
.ruleCard {
  padding: .95rem 1.05rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--accent-line);
}
.ruleCard h3 { font-size: var(--fs-md); margin-bottom: .3rem; }
.ruleCard__rule { margin-bottom: .3em; }
.ruleCard__example { font-family: var(--font-cn); font-size: var(--fs-lg); color: var(--accent); margin-bottom: .3em; }
.ruleCard__note { font-size: var(--fs-meta); color: var(--text-3); margin: 0; }

.drillBox {
  padding: 1.1rem;
  border-radius: var(--r);
  background: rgb(17 17 17 / 60%);
  border: 1px solid var(--line-soft);
}
.drillBox__intro { font-size: var(--fs-body); color: var(--text-3); margin-bottom: .8rem; }
.drillBox__progress { margin-bottom: 1.2rem; }

.guessCard, .speakCard {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  padding: 1.3rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  animation: fadeUp .22s ease;
}
.guessCard__count { font-size: var(--fs-micro); color: var(--text-3); margin-bottom: .7rem; }
.guessCard__hint { font-size: var(--fs-meta); color: var(--text-3); margin: .8rem 0; }
.guessCard__focus { font-size: var(--fs-meta); color: var(--accent); margin-bottom: .7rem; }
.guessCard__feedback {
  margin-top: 1rem;
  padding: .75rem .9rem;
  border-radius: var(--r-sm);
  text-align: left;
  font-size: var(--fs-body);
  border: 1px solid var(--line);
  background: var(--input);
  color: var(--text-2);
}
.guessCard__feedback.is-ok { border-color: var(--accent-line); }
.guessCard__feedback.is-ok strong { color: var(--accent); }
.guessCard__feedback.is-bad { border-color: rgb(196 92 92 / 30%); }
.guessCard__feedback.is-bad strong { color: var(--err); }

.toneOptions { display: grid; grid-template-columns: repeat(4, 1fr); gap: .35rem; margin-top: .9rem; }
.toneOptBtn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .7rem .3rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--input);
  color: var(--text-2);
  transition: all .2s;
}
.toneOptBtn:hover:not(:disabled) { border-color: var(--accent-line); color: var(--accent); }
.toneOptBtn__no { font-size: var(--fs-xl); font-weight: 600; }
.toneOptBtn__mark { font-size: var(--fs-md); color: var(--text-3); }
.toneOptBtn.is-correct { border-color: var(--accent); background: var(--accent-dim); color: var(--accent); }
.toneOptBtn.is-wrong { border-color: rgb(196 92 92 / 45%); background: var(--err-bg); color: var(--err); }

.pairOptions { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; margin-top: .9rem; }
.pairOptBtn {
  display: flex;
  flex-direction: column;
  gap: .1rem;
  padding: .85rem .7rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--input);
  color: var(--text-2);
  transition: all .2s;
}
.pairOptBtn:hover:not(:disabled) { border-color: var(--accent-line); }
.pairOptBtn__hz { font-family: var(--font-cn); font-size: var(--fs-2xl); color: var(--text); }
.pairOptBtn__py { font-size: var(--fs-body); color: var(--accent); }
.pairOptBtn__vn { font-size: var(--fs-meta); color: var(--text-3); }
.pairOptBtn.is-correct { border-color: var(--accent); background: var(--accent-dim); }
.pairOptBtn.is-wrong { border-color: rgb(196 92 92 / 45%); background: var(--err-bg); }

.pairCompare { display: flex; gap: .7rem; align-items: center; margin-top: .5rem; font-size: var(--fs-meta); flex-wrap: wrap; }
.pairCompare span { display: inline-flex; align-items: center; gap: .25rem; }

.listenOptions { display: grid; gap: .35rem; margin-top: 1rem; text-align: left; }

.revealBox {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  margin: .5rem 0;
  padding: .5rem .7rem;
  border-radius: var(--r-xs);
  background: var(--card);
}
.revealBox__hz { font-family: var(--font-cn); font-size: var(--fs-xl); color: var(--text); }
.revealBox__py { color: var(--accent); font-size: var(--fs-meta); }
.revealBox__vn { color: var(--text-3); font-size: var(--fs-meta); }

.speedBar { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; margin-bottom: 1rem; }
.speedBar__label { font-size: var(--fs-meta); color: var(--text-3); }
.speedBar__opts { display: flex; gap: .25rem; flex-wrap: wrap; }
.speedBtn {
  padding: .25rem .65rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--card);
  font-size: var(--fs-meta);
  color: var(--text-3);
  transition: all .2s;
}
.speedBtn:hover { color: var(--text); border-color: var(--line-lit); }
.speedBtn.is-active { background: var(--accent-dim); border-color: var(--accent-line); color: var(--accent); font-weight: 600; }

.micCheck {
  display: flex;
  gap: .6rem;
  padding: .75rem .9rem;
  border-radius: var(--r-sm);
  background: var(--input);
  border: 1px solid var(--line-soft);
  font-size: var(--fs-meta);
  color: var(--text-3);
  margin-bottom: 1rem;
}
.micCheck .ic { color: var(--accent); margin-top: .1rem; }
.micCheck p { margin: 0; }
.micCheck strong { color: var(--text-2); }

.speakCard__target { margin-bottom: 1.1rem; }
.speakCard__hz { font-family: var(--font-cn); font-size: 32px; line-height: 1.4; color: var(--text); }
.speakCard__py { font-size: var(--fs-md); color: var(--accent); }
.speakCard__vn { font-size: var(--fs-body); color: var(--text-3); margin-top: .15rem; }
.speakCard__controls { display: flex; gap: .4rem; justify-content: center; flex-wrap: wrap; }
.speakCard__result { text-align: left; }
.speakCard__result.is-listening { text-align: center; }
.speakCard__nav { margin-top: .8rem; }

/* ==================== BẢNG PINYIN ==================== */
.soundGroup { margin-bottom: 1.4rem; }
.soundGroup__title {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--fs-md);
  padding-bottom: .45rem;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: .7rem;
}
.soundGroup__level {
  padding: .05rem .45rem;
  border-radius: var(--r-xs);
  font-size: var(--fs-micro);
  background: var(--input);
  border: 1px solid var(--line-soft);
  color: var(--text-3);
}
.soundGroup--hard .soundGroup__level { border-color: var(--accent-line); color: var(--accent); }

.soundList { list-style: none; padding: 0; display: grid; gap: .3rem; }
.soundList--compact { grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); }

.soundItem {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .55rem .8rem;
  margin: 0;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
}
.soundItem__py {
  min-width: 48px;
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  color: var(--accent);
}
.soundItem__body { flex: 1; min-width: 0; }
.soundItem__vi { font-size: var(--fs-meta); color: var(--text-2); margin: 0; }
.soundItem__trap { font-size: var(--fs-micro); color: var(--text-3); margin: .15rem 0 0; }
.soundItem__ex { display: flex; align-items: center; gap: .3rem; flex: none; font-family: var(--font-cn); font-size: var(--fs-md); color: var(--text-2); }

.toneQuickGrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .45rem; margin-bottom: 1rem; }
.toneQuick {
  padding: .8rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  text-align: center;
}
.toneQuick__mark { display: block; font-size: var(--fs-xl); color: var(--accent); }
.toneQuick strong { display: block; font-size: var(--fs-body); margin: .15rem 0; }
.toneQuick__ex { display: block; font-family: var(--font-cn); font-size: var(--fs-lg); color: var(--accent); }
.toneQuick p { font-size: var(--fs-micro); color: var(--text-3); margin: .35rem 0; }

.minPairList { list-style: none; padding: 0; display: grid; gap: .35rem; }
.minPair {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: .7rem;
  align-items: center;
  padding: .75rem .9rem;
  margin: 0;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
}
.minPair__side { display: flex; flex-direction: column; gap: .1rem; align-items: center; text-align: center; }
.minPair__hz { font-family: var(--font-cn); font-size: var(--fs-2xl); color: var(--text); }
.minPair__py { font-size: var(--fs-body); color: var(--accent); }
.minPair__vn { font-size: var(--fs-micro); color: var(--text-3); }
.minPair__focus {
  font-size: var(--fs-micro);
  color: var(--text-3);
  text-align: center;
  max-width: 13ch;
  padding: 0 .5rem;
  border-left: 1px solid var(--line-soft);
  border-right: 1px solid var(--line-soft);
}

/* ==================== TỪ ĐIỂN ==================== */
.dictBar { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: .9rem; }
.dictSearch {
  flex: 1;
  min-width: 190px;
  padding: .45rem .8rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--input);
  color: var(--text);
  font-size: var(--fs-body);
}
.dictSearch:focus { border-color: var(--accent-line); }
.dictFilters { display: flex; gap: .25rem; flex-wrap: wrap; }
.filterBtn {
  padding: .3rem .7rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--card);
  font-size: var(--fs-meta);
  color: var(--text-3);
  transition: all .2s;
}
.filterBtn:hover { color: var(--text); border-color: var(--line-lit); }
.filterBtn.is-active { background: var(--accent-dim); border-color: var(--accent-line); color: var(--accent); font-weight: 600; }
.dictCount { font-size: var(--fs-micro); color: var(--text-3); margin-bottom: .5rem; }
.dictEmpty { list-style: none; padding: 2rem 1rem; text-align: center; color: var(--text-3); font-size: var(--fs-body); }

/* ==================== THỐNG KÊ ==================== */
.statsGrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: .4rem; margin-bottom: 1.2rem; }

.statsCard {
  padding: 1rem 1.1rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  margin-bottom: .9rem;
}
.statsCard h2 { font-size: var(--fs-md); margin-bottom: .8rem; }
.statsCard__note { display: inline-block; margin-top: .7rem; }

.barChart { display: flex; align-items: flex-end; gap: 2px; height: 110px; padding-top: .4rem; }
.barChart__col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; min-width: 0; }
.barChart__bar { width: 100%; max-width: 18px; border-radius: 2px 2px 0 0; background: var(--accent); opacity: .8; transition: height .4s ease; }
.barChart__bar.is-empty { background: var(--line); opacity: 1; }
.barChart__label { font-size: var(--fs-micro); color: var(--text-3); margin-top: .2rem; white-space: nowrap; }
.barChart--forecast .barChart__bar { opacity: .55; }

.deckBar { display: flex; height: 16px; border-radius: var(--r-xs); overflow: hidden; border: 1px solid var(--line-soft); }
.deckBar__seg--new { background: var(--line); }
.deckBar__seg--learning { background: rgb(201 165 92 / 45%); }
.deckBar__seg--mature { background: var(--accent); }

.deckLegend { list-style: none; padding: 0; margin-top: .7rem; display: flex; gap: 1rem; flex-wrap: wrap; font-size: var(--fs-meta); color: var(--text-3); }
.deckLegend b { color: var(--text); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: .3rem; }
.dot--new { background: var(--line); }
.dot--learning { background: rgb(201 165 92 / 45%); }
.dot--mature { background: var(--accent); }
.dot--due { background: var(--err); }

/* ==================== CÀI ĐẶT ==================== */
.settingCard {
  padding: 1rem 1.1rem;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line-soft);
  margin-bottom: .8rem;
}
.settingCard h2 { display: flex; align-items: center; gap: .4rem; font-size: var(--fs-md); margin-bottom: .8rem; }
.settingCard h2 .ic { color: var(--text-3); }
.settingCard__ok { display: flex; align-items: center; gap: .35rem; color: var(--accent); font-size: var(--fs-body); }
.settingCard__actions { display: flex; gap: .45rem; flex-wrap: wrap; }
.settingCard--danger { border-color: rgb(196 92 92 / 26%); }
.settingCard--danger h2 .ic { color: var(--err); }

.micResult {
  margin-top: .7rem;
  padding: .65rem .8rem;
  border-radius: var(--r-sm);
  background: var(--input);
  border: 1px solid var(--line-soft);
  font-size: var(--fs-body);
  color: var(--text-2);
}
.micResult.is-listening { border-color: var(--accent-line); color: var(--accent); }
.micResult.is-ok { border-color: var(--accent-line); }
.micResult.is-error { border-color: rgb(196 92 92 / 35%); color: var(--err); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 820px) {
  .weekStrip { grid-template-columns: repeat(6, 1fr); }
  .minPair { grid-template-columns: 1fr; gap: .4rem; }
  .minPair__focus {
    border: none;
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
    max-width: none;
    padding: .3rem 0;
  }
}

@media (max-width: 600px) {
  .nextUp { padding: 1.1rem 1.1rem; }
  .nextUp__title { font-size: var(--fs-xl); }
  .patternRow { flex-wrap: wrap; }
  .patternRow__actions { width: 100%; justify-content: flex-end; }
  .vocabRow__hz { font-size: 24px; min-width: 2em; }
  .vocabRow__gloss { flex-direction: column; gap: 0; align-items: flex-start; }
  .vocabRow__dot { display: none; }

  /* Nhãn "Tuần 5 / Đã nhớ" trong sổ từ là thông tin phụ.
     Trên điện thoại nó vừa quá nhỏ để chạm, vừa đẩy hàng tràn ra ngoài màn hình. */
  .vocabRow__tags { display: none; }

  /* Chừa chỗ cho thanh "Tiếp theo" dính đáy, nếu không nút cuối trang bị nó che mất. */
  .stepPanels { padding-bottom: 4.5rem; }
  .rpChat { padding-bottom: 1rem; }
  .vocabRow__tags { flex-direction: row; width: 100%; justify-content: flex-start; }
  .ratings { grid-template-columns: repeat(2, 1fr); }
  .toneOptions { grid-template-columns: repeat(2, 1fr); }
  .pairOptions { grid-template-columns: 1fr; }
  .chatLine { max-width: 92%; }
  .flashcard__hz { font-size: 46px; }
  .qHanzi { font-size: 34px; }
  .speakCard__hz { font-size: 24px; }
  .lessonNav { flex-direction: column-reverse; gap: .5rem; }
  .lessonNav .btn { width: 100%; }
  .statsGrid { grid-template-columns: repeat(2, 1fr); }
  .barChart { height: 88px; }

  /* 30 cột trên màn hẹp thì nhãn ngày chồng lên nhau thành một vệt mờ.
     Chỉ giữ mốc đầu và cuối để biết trục thời gian; chạm vào cột vẫn ra số liệu. */
  .barChart__label { display: none; }
  .barChart__col:first-child .barChart__label,
  .barChart__col:last-child .barChart__label { display: block; }
}

/* ==========================================================================
   PHẦN TRẢ PHÍ
   --------------------------------------------------------------------------
   Nội dung khoá KHÔNG được làm mờ tịt hay giấu đi. Người học phải nhìn thấy
   thứ mình sắp mua là gì — giấu kín thì không ai bỏ tiền cho một hộp đen.
   ========================================================================== */

.chip--paid {
  background: var(--accent-dim);
  border-color: var(--accent-line);
  color: var(--accent);
  letter-spacing: .02em;
}

.lessonRow.is-paid { opacity: .78; }
.lessonRow.is-paid:hover { opacity: 1; border-color: var(--accent-line); }
.lessonRow.is-paid .lessonRow__marker { color: var(--accent); border-color: var(--accent-line); }

.weekCard.is-paid { opacity: .8; }
.weekCard.is-paid:hover { opacity: 1; }
.weekCard__paid { color: var(--accent); display: inline-flex; opacity: .75; }

.rpCard.is-paid { opacity: .78; }
.rpCard.is-paid:hover { opacity: 1; border-color: var(--accent-line); }

/* Lời mời mua trên trang chủ */
.moiMua {
  display: flex; align-items: center; gap: .7rem;
  padding: .8rem .9rem; margin-bottom: .8rem;
  background: var(--card); border: 1px solid var(--line);
  border-left: 2px solid var(--accent-line); border-radius: var(--r-sm);
}
.moiMua .ic { color: var(--accent); flex-shrink: 0; }
.moiMua__text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .15rem; }
.moiMua__text strong { font-size: var(--fs-md); color: var(--text); }
.moiMua__text span { font-size: var(--fs-body); color: var(--text-2); line-height: 1.5; }
.moiMua--het { border-left-color: var(--accent); background: var(--accent-glow); }

/* ── Trang mua ── */
.mua { max-width: 640px; }

.muaGia {
  text-align: center; padding: 1.4rem 1rem 1.2rem; margin-bottom: 1rem;
  background: var(--card); border: 1px solid var(--accent-line); border-radius: var(--r);
}
.muaGia__so { display: flex; align-items: baseline; justify-content: center; gap: .5rem; flex-wrap: wrap; }
.muaGia__cu { color: var(--text-3); font-size: var(--fs-lg); }
.muaGia__so strong { font-size: 34px; color: var(--accent); letter-spacing: -.02em; line-height: 1.1; }
.muaGia__lan { font-size: var(--fs-body); color: var(--text-2); }
.muaGia__uuDai { margin-top: .55rem; font-size: var(--fs-body); color: var(--accent); }
.muaGia__soSanh { margin-top: .35rem; font-size: var(--fs-body); color: var(--text-2); }

.muaLoi { list-style: none; display: grid; gap: .45rem; margin-bottom: 1rem; }
.muaLoi li { display: flex; align-items: flex-start; gap: .5rem; font-size: var(--fs-md); color: var(--text); }
.muaLoi .ic { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

.muaChot { text-align: center; margin: 1.2rem 0; }
.muaChot .btn--lg { width: 100%; max-width: 380px; }
.muaChot__nhac { margin-top: .5rem; font-size: var(--fs-body); color: var(--text-2); }

.muaBaoDam {
  display: flex; align-items: center; justify-content: center; gap: .4rem;
  font-size: var(--fs-body); color: var(--text-2); text-align: center;
}
.muaBaoDam .ic { color: var(--accent); flex-shrink: 0; }
.muaBaoDam b { color: var(--text); }

.muaHoi { margin-top: 1.5rem; border-top: 1px solid var(--line-soft); padding-top: .8rem; }
.muaHoi summary { cursor: pointer; font-size: var(--fs-md); color: var(--text-2); padding: .3rem 0; }
.muaHoi summary:hover { color: var(--accent); }
.muaHoi dl { margin-top: .6rem; display: grid; gap: .7rem; }
.muaHoi dt { font-size: var(--fs-md); color: var(--text); font-weight: 600; }
.muaHoi dd { font-size: var(--fs-body); color: var(--text-2); line-height: 1.6; margin-top: .15rem; }

/* ── Màn hình chuyển khoản ── */
.ck { margin: 1rem 0; }
.ck__title { font-size: var(--fs-lg); margin-bottom: .8rem; text-align: center; }
.ck__canh { display: flex; gap: 1.2rem; align-items: flex-start; flex-wrap: wrap; }

.ck__qr { text-align: center; flex-shrink: 0; }
/* Nền trắng bắt buộc: app ngân hàng đọc mã QR kém hẳn khi mã nằm trên nền tối. */
.ck__qr img {
  background: #fff; padding: 6px; border-radius: var(--r-sm);
  width: 200px; height: auto; display: block;
}
.ck__qr p { margin-top: .4rem; font-size: var(--fs-meta); color: var(--text-2); max-width: 200px; }

.ck__bang {
  flex: 1; min-width: 240px;
  display: grid; grid-template-columns: auto 1fr; gap: .4rem .8rem; align-items: baseline;
}
.ck__bang dt { font-size: var(--fs-body); color: var(--text-2); }
.ck__bang dd { font-size: var(--fs-md); color: var(--text); word-break: break-all; }
.ck__ma { color: var(--accent); font-family: var(--font-mono); font-size: var(--fs-lg); letter-spacing: .06em; }
.ck__batBuoc { color: var(--accent); font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: .04em; }
.ck__nho { font-size: var(--fs-meta); color: var(--text-3); }
.ck__trangThai { margin-top: .5rem; font-size: var(--fs-body); color: var(--text-2); text-align: center; }
.ck .btn--lg { width: 100%; margin-top: .8rem; }

.chepDuoc { cursor: pointer; border-bottom: 1px dashed var(--line-lit); }
.chepDuoc:hover { color: var(--accent); border-bottom-color: var(--accent-line); }

@media (max-width: 560px) {
  .ck__canh { flex-direction: column; align-items: center; }
  .ck__bang { width: 100%; }
  .muaGia__so strong { font-size: 28px; }
}

/* ==========================================================================
   VÙNG CHẠM TRÊN THIẾT BỊ CẢM ỨNG — phải đặt CUỐI CÙNG
   --------------------------------------------------------------------------
   Ngón tay không chính xác như con trỏ chuột. Apple khuyến nghị tối thiểu 44pt,
   Google 48dp; ở đây lấy 40px làm sàn cho mọi thứ bấm được.

   Khối này BẮT BUỘC nằm cuối views.css. Nếu đặt ở base.css thì components.css
   và views.css load sau sẽ ghi đè lại kích thước nhỏ — đã dính đúng lỗi đó.

   Dùng cả hai điều kiện: bề rộng bắt điện thoại/máy tính bảng dọc, còn
   `pointer: coarse` bắt nốt máy tính bảng màn rộng và màn hình cảm ứng.
   ========================================================================== */
@media (max-width: 820px), (pointer: coarse) {
  .iconBtn { width: 40px; height: 40px; }
  .iconBtn--lg { width: 48px; height: 48px; }
  .btn { padding: .55rem 1rem; min-height: 40px; }
  .btn--sm { padding: .45rem .8rem; min-height: 40px; }
  .btn--lg { min-height: 48px; }
  .filterBtn, .speedBtn, .tab { min-height: 40px; }
  .optionBtn { min-height: 48px; }
  .ratingBtn, .toneOptBtn, .pairOptBtn { min-height: 56px; }
  .navItem { min-height: 40px; }
  .pbRow { min-height: 56px; }
  .pbRow__play, .pbRow__show { width: 40px; height: 40px; }
  .topbar__menu { width: 40px; height: 40px; }
  .lessonTop__exit, .showCard__close { width: 44px; height: 44px; }
  .nextBar__back { min-height: 48px; width: 52px; }
  .nextBar__go { min-height: 48px; }
  .wel__cta { min-height: 52px; }
  .goalCard { min-height: 64px; }
  .switch input, .finish__checklist input { width: 20px; height: 20px; }
  .rpTurn__pass { min-height: 40px; }
  .stepper__item { min-height: 40px; }
  /* Link trong dòng đường dẫn: nới vùng chạm theo chiều dọc, chữ vẫn nằm nguyên chỗ cũ */
  .crumbs { align-items: center; }
  .crumbs a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 .15rem; }
  .flashcard__flip { min-height: 48px; }
  /* Ô tick nhỏ nhưng cả dòng chữ bên cạnh đều bấm được, nên vùng chạm thật vẫn rộng */
  .switch, .finish__checklist label { min-height: 40px; }

  /* Nhãn "Tuần 5 / Đã nhớ" trong sổ từ: quá bé để chạm và cũng chỉ là thông tin phụ. */
  .vocabRow__tags { display: none; }

  /* Ô nhập liệu dưới 16px khiến iOS Safari tự phóng to trang khi bấm vào. */
  input, select, textarea { font-size: 16px; }
}

@media print {
  .sidebar, .topbar, .lessonNav, .stepper, .toastHost { display: none !important; }
  .app { grid-template-columns: 1fr; }
  .stepPanel { display: block !important; page-break-inside: avoid; }
}