/* =========================================================
   CIRA CLASSROOM — Unit page content styles
   Shared shell geometry lives in /assets/css/learning-shell.css.
   This file owns Story / Vocabulary content only.
   ========================================================= */

.story-audio,
.story-reading,
.vocabulary-panel,
.vocabulary-trainer,
.culture-note,
.continue-block {
  width: min(100%, var(--classroom-reading-max, 760px));
  margin-left: auto;
  margin-right: auto;
}

/* =========================================================
   STORY
   ========================================================= */

.audio-player {
  margin-bottom: 24px;
  padding: 18px 20px 20px;
  border: 1px solid var(--cira-border);
  border-left: 6px solid var(--cira-yellow);
  border-radius: var(--cira-radius-panel);
  background: var(--cira-surface);
}

.audio-player__label {
  display: block;
  margin-bottom: 12px;
  color: var(--cira-primary);
  font-weight: 800;
}

.audio-player audio {
  display: block;
  width: 100%;
}

.story-reading {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--cira-border);
  border-radius: var(--cira-radius-card);
  background: #fffdf8;
}

.story-reading p {
  margin: 0 0 20px;
  color: var(--cira-text);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.08rem, 2.2vw, 1.28rem);
  line-height: 1.78;
}

.story-reading p:last-child {
  margin-bottom: 0;
}

.story-reading .dialogue {
  padding-left: 16px;
}

.story-reading .story-hook {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 4px solid var(--cira-yellow);
  font-weight: 700;
}

/* =========================================================
   VOICED VOCABULARY CARDS
   ========================================================= */

.vocabulary-cards__instruction {
  width: min(100%, var(--classroom-training-max, 900px));
  margin: 0 auto 18px;
  color: var(--cira-text-muted);
  font-size: 14px;
  line-height: 1.5;
}

.vocabulary-cards__instruction strong {
  color: var(--cira-primary);
}

.vocabulary-card-list {
  width: min(100%, var(--classroom-training-max, 900px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.vocab-flip-card {
  position: relative;
  min-width: 0;
  min-height: 232px;
  perspective: 1000px;
}

.vocab-flip-card__inner {
  position: relative;
  width: 100%;
  height: 232px;
  transform-style: preserve-3d;
  transition: transform 320ms ease;
}

.vocab-flip-card.is-flipped .vocab-flip-card__inner {
  transform: rotateY(180deg);
}

.vocab-flip-card__face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 18px;
  border: 1px solid #e7dec6;
  border-top: 5px solid var(--cira-yellow);
  border-radius: 16px;
  background: linear-gradient(180deg, #fffef9 0%, #fffaf0 100%);
  box-shadow: 0 4px 16px rgba(63, 44, 25, .07);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.vocab-flip-card__face--back {
  transform: rotateY(180deg);
  border-top-color: var(--cira-red);
  background: var(--cira-surface-soft);
}

.vocab-flip-card__topline {
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.vocab-flip-card__number {
  color: var(--cira-red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
}

.vocab-flip-card__language {
  color: var(--cira-text-muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .1em;
}

.vocab-flip-card__term {
  flex: 1 1 auto;
  display: grid;
  place-items: center;
  padding: 16px 8px;
  color: var(--cira-primary);
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  font-weight: 850;
  line-height: 1.15;
  letter-spacing: -.025em;
  text-align: center;
  overflow-wrap: anywhere;
}

.vocab-flip-card__term--answer {
  color: var(--cira-red);
  font-size: clamp(1.35rem, 2.8vw, 2rem);
}

.vocab-flip-card__actions {
  min-height: 42px;
  display: grid;
  grid-template-columns: minmax(96px, auto) 1fr;
  gap: 10px;
  align-items: center;
}

.vocab-flip-card__audio-slot {
  min-width: 96px;
  min-height: 40px;
}

.vocab-audio-button,
.vocab-flip-card__turn {
  min-height: 40px;
  border-radius: 9px;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.vocab-audio-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid rgba(200, 32, 47, .32);
  color: var(--cira-red);
  background: #fff;
}

.vocab-audio-button svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.vocab-audio-button svg path:nth-child(n+2) {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

.vocab-audio-button:hover,
.vocab-audio-button:focus-visible {
  background: #fff4f2;
}

.vocab-audio-button:disabled {
  opacity: .62;
  cursor: wait;
}

.vocab-audio-button.is-loading {
  border-color: var(--cira-yellow);
  color: var(--cira-primary);
  background: #fff8d6;
}

.vocab-audio-button.is-playing {
  color: #fff;
  border-color: var(--cira-red);
  background: var(--cira-red);
}

.vocab-audio-button.is-error {
  color: #8b1f2b;
  border-color: #e2a8ad;
  background: #fff3f4;
}

.vocab-flip-card__turn {
  width: 100%;
  padding: 7px 12px;
  border: 1px solid var(--cira-border-strong);
  color: var(--cira-primary);
  background: var(--cira-surface);
}

.vocab-flip-card__turn:hover,
.vocab-flip-card__turn:focus-visible {
  border-color: var(--cira-primary);
  background: var(--cira-surface-soft);
}

@media (prefers-reduced-motion: reduce) {
  .vocab-flip-card__inner {
    transition: none;
  }
}

/* =========================================================
   CULTURE / CONTINUE
   ========================================================= */

.culture-note {
  margin-top: 24px;
  padding: clamp(22px, 4vw, 30px);
  border: 1px solid var(--cira-border);
  border-left: 6px solid var(--cira-red);
  border-radius: var(--cira-radius-panel);
  background: var(--cira-surface);
}

.culture-note__eyebrow {
  margin: 0 0 10px;
  color: var(--cira-red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.culture-note h2 {
  margin: 0 0 14px;
  color: var(--cira-primary);
  font-size: clamp(1.45rem, 3.4vw, 2rem);
}

.culture-note p {
  margin: 0 0 12px;
  line-height: 1.65;
}

.culture-note p:last-child {
  margin-bottom: 0;
}

.continue-block {
  margin-top: 24px;
  padding: 22px;
  border: 1px solid rgba(246, 201, 46, .72);
  border-radius: var(--cira-radius-panel);
  background: linear-gradient(90deg, #fff6c9, #fbe98b);
}

.continue-block h2 {
  margin: 0 0 6px;
  color: var(--cira-primary);
  font-size: 22px;
}

.continue-block p {
  margin: 0 0 16px;
}

.continue-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 620px) {
  .story-reading {
    border-radius: var(--cira-radius-panel);
  }

  .vocabulary-card-list {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .vocab-flip-card,
  .vocab-flip-card__inner {
    min-height: 218px;
    height: 218px;
  }

  .vocab-flip-card__face {
    padding: 16px;
  }

  .vocab-flip-card__actions {
    grid-template-columns: 96px 1fr;
  }

  .vocab-flip-card__term {
    font-size: clamp(1.55rem, 8vw, 2.15rem);
  }

  .continue-actions {
    flex-direction: column;
  }

  .continue-actions .button {
    width: 100%;
  }
}