.english-page {
  width: 100%;
  min-width: 0;
  max-width: 1080px;
  margin: 0 auto;
}

.english-page button { touch-action: manipulation; }
.english-intro { text-align: center; margin: 16px auto 22px; }
.english-intro h2 { font-size: clamp(25px, 5vw, 39px); margin: 6px 0; }
.english-intro p { margin: 4px 0; color: var(--muted); }
.english-kicker { color: #87edcf !important; font-weight: 700; letter-spacing: .08em; }
.english-topics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.english-topic {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 8px;
  padding: 14px;
  min-width: 0;
  border: 1px solid #4e7182;
  border-radius: 18px;
  background: #1a2d41;
  color: #f5fbff;
  text-align: left;
  font: inherit;
  cursor: pointer;
}
.english-topic:hover { border-color: #87edcf; background: #203a4c; }
.english-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100px;
  gap: 8px;
  border-radius: 12px;
  background: #fff5df;
  color: #244657;
  overflow: hidden;
}
.english-preview strong { font-size: 44px; }
.english-preview > svg { width: 65%; max-width: 150px; height: 86%; }
.english-topic-name { font-size: clamp(16px, 2.2vw, 21px); }
.english-topic-description { color: #cadbe7; font-size: .9rem; line-height: 1.35; }

.english-lesson { width: 100%; max-width: min(900px, 100%); margin: 0 auto; }
.english-heading, .english-controls, .english-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 12px;
}
.english-heading h2 { font-size: clamp(20px, 3vw, 28px); margin: 0; }
.english-controls { justify-content: start; margin: 7px 0; }
.english-controls label { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; }
.english-controls select { min-height: 44px; }
.english-controls input { width: 18px; height: 18px; accent-color: #7be5c9; }
.english-instruction { font-size: .94rem; margin: 6px 0; }
.english-progress { margin: 4px 0 8px; color: #87edcf; font-size: .88rem; }
.english-column-labels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--english-gap);
  margin: 0 0 5px;
  text-align: center;
  font-size: .85rem;
  color: #cadbe7;
}
.english-lesson { --english-gap: clamp(34px, 8vw, 92px); }
.english-grid.match-grid { gap: var(--english-gap); max-width: none; }
.english-grid .match-column { grid-auto-rows: clamp(76px, calc((100svh - 375px) / 3), 112px); gap: 6px; }
.english-grid .english-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2px;
  position: relative;
  min-width: 0;
  border: 2px solid #7b96a8;
  border-radius: 15px;
  padding: 4px 9px;
  background: #fff5df;
  color: #244055;
  font: inherit;
  cursor: pointer;
}
.english-grid .english-word {
  font-size: clamp(16px, 2.5vw, 29px);
  font-weight: 750;
  line-height: 1.13;
  overflow-wrap: anywhere;
  background: #e6f3f8;
  text-align: center;
}
.english-grid .english-card[aria-pressed="true"] { outline: 3px solid #ffce69; outline-offset: 1px; }
.english-grid .english-card.matched { background: #def4e9; opacity: 1; border-color: var(--pair-color); }
.english-grid .english-card:focus-visible, .english-topic:focus-visible { outline: 3px solid #ffce69; outline-offset: 1px; }
.english-visual { display: flex; align-items: center; justify-content: center; width: 100%; min-height: 0; flex: 1; }
.english-visual > svg { width: 100%; max-width: 175px; height: 100%; overflow: hidden; }
.english-number { gap: 6px; }
.english-number strong { font-size: clamp(19px, 3.2vw, 38px); flex: 0 0 auto; }
.english-number > svg { width: 48%; min-width: 0; max-width: 105px; }
.english-spanish { font-size: clamp(12px, 1.5vw, 16px); line-height: 1.1; text-align: center; }
.without-spanish .english-spanish { visibility: hidden; }
.english-actions { margin: 8px 0 0; min-height: 44px; }
.english-result { color: #87edcf; font-weight: 700; font-size: .9rem; }
.english-feedback { margin: 6px 0; min-height: 1.6em; font-size: 1rem; }
.english-sound-prompt {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px;
  margin-bottom: 10px;
  border: 1px solid #527d86;
  border-radius: 16px;
  background: linear-gradient(120deg, #284a5e, #1c3952);
}
.english-sound-icon {
  display: grid;
  place-items: center;
  width: 46px;
  aspect-ratio: 1;
  border-radius: 14px;
  background: #89dfc7;
  font-size: 24px;
}
.english-sound-prompt h3 { margin: 0; font-size: clamp(16px, 2.5vw, 24px); }
.english-sound-prompt p { margin-top: 4px; color: #e9f7ff; font-size: .88rem; }
.english-sound-prompt .btn { min-height: 44px; }
.english-sound-choices { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.english-sound-choices .english-card { min-height: clamp(96px, 18vw, 155px); }
.english-sound-choices .english-visual { flex: 0 1 auto; height: clamp(60px, 12vw, 111px); }
.english-sound-choices .english-number { flex-direction: column; gap: 0; }
.english-sound-choices .english-number > svg { width: 100%; }
.english-sound-choices .english-number strong { line-height: 1; }
.english-sound-choices .english-card:disabled { cursor: default; }
.english-sound-choices .english-card:disabled:not(.matched) { opacity: .65; }
.english-sound-choices .matched { --pair-color: #45b395; }
.english-correct-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background: #25765e;
  color: #fff;
  font-weight: 800;
}

@media (min-width: 820px) { .english-topics { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (prefers-reduced-motion: no-preference) {
  .english-sound-choices .matched { animation: english-answer .24s ease-out; }
  @keyframes english-answer {
    from { transform: scale(.96); }
    to { transform: scale(1); }
  }
}

@media (max-width: 600px) {
  .english-intro { margin: 8px auto 14px; }
  .english-topics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .english-topic { padding: 8px; gap: 5px; border-radius: 14px; }
  .english-preview { height: 70px; }
  .english-topic-description { font-size: .78rem; }
  .english-controls { gap: 2px 10px; }
  .english-controls label { font-size: .81rem; }
  .english-controls select { max-width: 100%; }
  .english-grid .english-card { padding-inline: 5px; }
  .english-grid .match-column { grid-auto-rows: 73px; }
  .english-grid .match-badge { width: 16px; height: 16px; top: 1px; left: 1px; font-size: 10px; }
  .english-sound-prompt { grid-template-columns: auto minmax(0, 1fr); padding: 9px; }
  #englishListenVoiceSlot { grid-column: 1 / -1; }
  #englishListenVoiceSlot .btn { width: 100%; }
  .english-sound-icon { width: 36px; font-size: 19px; }
}

@media (max-height: 720px) and (min-width: 601px) {
  .english-grid .match-column { grid-auto-rows: 74px; }
}