.ihma-material {
  --ihma-bg: #fffaf6;
  --ihma-card: #ffffff;
  --ihma-text: #27202a;
  --ihma-muted: #685f68;
  --ihma-line: #eadfd9;
  --ihma-accent: #b86772;
  --ihma-accent-dark: #8d4852;
  --ihma-soft: #f6e9e5;
  --ihma-positive: #497760;
  --ihma-review: #9a653c;
  color: var(--ihma-text);
  font-family: inherit;
  margin: 2rem auto;
  max-width: 1080px;
}

.ihma-shell {
  background: linear-gradient(180deg, var(--ihma-bg), #ffffff 62%);
  border: 1px solid var(--ihma-line);
  border-radius: 28px;
  box-shadow: 0 18px 40px rgba(55, 38, 35, 0.08);
  padding: clamp(1.25rem, 3vw, 2.5rem);
}

.ihma-header {
  margin-bottom: 1.4rem;
  text-align: center;
}

.ihma-logo {
  display: block;
  height: auto;
  margin: 0 auto 1rem;
  max-height: 72px;
  max-width: 180px;
}

.ihma-eyebrow {
  color: var(--ihma-accent-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin: 0 0 0.35rem;
  text-transform: uppercase;
}

.ihma-title {
  color: var(--ihma-text);
  font-size: clamp(1.85rem, 4vw, 3rem);
  line-height: 1.05;
  margin: 0;
}

.ihma-subtitle {
  color: var(--ihma-accent-dark);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 700;
  margin: 0.55rem 0 0;
}

.ihma-description,
.ihma-instruction,
.ihma-adult-note {
  color: var(--ihma-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.ihma-description {
  margin: 0.8rem auto 0;
  max-width: 760px;
}

.ihma-progress-wrap {
  margin: 1.6rem 0;
}

.ihma-progress-label {
  color: var(--ihma-muted);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
}

.ihma-progress {
  background: #ffffff;
  border: 1px solid var(--ihma-line);
  border-radius: 999px;
  height: 12px;
  overflow: hidden;
}

.ihma-progress-bar {
  background: linear-gradient(90deg, var(--ihma-accent), var(--ihma-accent-dark));
  border-radius: inherit;
  display: block;
  height: 100%;
  transition: width 0.25s ease;
}

.ihma-card {
  align-items: center;
  background: var(--ihma-card);
  border: 1px solid var(--ihma-line);
  border-radius: 24px;
  display: grid;
  gap: clamp(1.2rem, 4vw, 2.6rem);
  grid-template-columns: minmax(220px, 0.78fr) minmax(280px, 1.22fr);
  padding: clamp(1rem, 3vw, 2rem);
}

.ihma-visual {
  align-items: center;
  background: var(--ihma-soft);
  border-radius: 22px;
  display: flex;
  justify-content: center;
  min-height: 320px;
  padding: 1rem;
}

.ihma-visual img {
  border-radius: 16px;
  box-shadow: 0 12px 26px rgba(44, 31, 28, 0.14);
  display: block;
  height: auto;
  max-height: 430px;
  max-width: 100%;
  object-fit: contain;
}

.ihma-content {
  min-width: 0;
}

.ihma-prompt {
  font-size: clamp(1.45rem, 3vw, 2.05rem);
  line-height: 1.15;
  margin: 0 0 0.55rem;
}

.ihma-instruction {
  margin: 0 0 1.1rem;
}

.ihma-options {
  display: grid;
  gap: 0.8rem;
}

.ihma-option {
  appearance: none;
  background: #ffffff;
  border: 2px solid var(--ihma-line);
  border-radius: 18px;
  color: var(--ihma-text);
  cursor: pointer;
  font-family: inherit;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 700;
  line-height: 1.25;
  padding: 1rem 1.15rem;
  text-align: left;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
  width: 100%;
}

.ihma-option:hover,
.ihma-option:focus-visible {
  border-color: var(--ihma-accent);
  outline: none;
  transform: translateY(-1px);
}

.ihma-option.is-selected {
  background: var(--ihma-soft);
  border-color: var(--ihma-accent);
}

.ihma-option.is-correct,
.ihma-option.is-correct-soft {
  border-color: var(--ihma-positive);
}

.ihma-option.is-review {
  border-color: var(--ihma-review);
}

.ihma-feedback {
  border-radius: 16px;
  font-weight: 700;
  line-height: 1.45;
  margin-top: 1rem;
  padding: 0.95rem 1rem;
}

.ihma-feedback.is-neutral {
  background: #f4f0ec;
  color: var(--ihma-muted);
}

.ihma-feedback.is-positive {
  background: #ecf5ef;
  color: var(--ihma-positive);
}

.ihma-feedback.is-review {
  background: #fff2e8;
  color: var(--ihma-review);
}

.ihma-nav {
  align-items: center;
  display: flex;
  gap: 0.8rem;
  justify-content: space-between;
  margin-top: 1.4rem;
}

.ihma-nav-button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 800;
  padding: 0.9rem 1.25rem;
}

.ihma-prev {
  background: #ffffff;
  border: 1px solid var(--ihma-line);
  color: var(--ihma-muted);
}

.ihma-next {
  background: var(--ihma-accent-dark);
  color: #ffffff;
}

.ihma-nav-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.ihma-adult-note {
  border-top: 1px solid var(--ihma-line);
  font-size: 0.95rem;
  margin: 1.35rem 0 0;
  padding-top: 1rem;
}

.ihma-summary-shell {
  max-width: 860px;
}

.ihma-summary-box {
  background: #ffffff;
  border: 1px solid var(--ihma-line);
  border-radius: 24px;
  margin-top: 1.2rem;
  padding: clamp(1rem, 3vw, 2rem);
}

.ihma-summary-stats {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 1.2rem;
}

.ihma-stat {
  background: var(--ihma-bg);
  border: 1px solid var(--ihma-line);
  border-radius: 18px;
  padding: 1rem;
}

.ihma-stat-label {
  color: var(--ihma-muted);
  display: block;
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.ihma-stat-value {
  color: var(--ihma-accent-dark);
  display: block;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1;
}

.ihma-summary-main,
.ihma-summary-text {
  color: var(--ihma-muted);
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0;
}

.ihma-summary-text + .ihma-summary-text {
  margin-top: 0.75rem;
}

.ihma-error,
.ihma-empty {
  background: #fff7f2;
  border: 1px solid #e9c9bc;
  border-radius: 16px;
  color: #7d4536;
  padding: 1rem;
}

@media (max-width: 820px) {
  .ihma-card {
    grid-template-columns: 1fr;
  }

  .ihma-visual {
    min-height: 0;
  }

  .ihma-summary-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .ihma-material {
    margin: 1rem auto;
  }

  .ihma-shell {
    border-radius: 20px;
    padding: 1rem;
  }

  .ihma-card {
    border-radius: 18px;
    padding: 0.8rem;
  }

  .ihma-nav {
    align-items: stretch;
    flex-direction: column;
  }

  .ihma-nav-button {
    width: 100%;
  }
}

.ihma-sequence-shell .ihma-progress-label {
  text-align: left;
}

.ihma-sequence-intro {
  background: #ffffff;
  border: 1px solid var(--ihma-line);
  border-radius: 22px;
  margin-bottom: 1rem;
  padding: clamp(1rem, 2vw, 1.4rem);
}

.ihma-sequence-intro .ihma-prompt {
  margin-bottom: 0.35rem;
}

.ihma-selected-sequence {
  background: var(--ihma-soft);
  border: 1px solid var(--ihma-line);
  border-radius: 22px;
  margin-bottom: 1.25rem;
  padding: clamp(1rem, 2vw, 1.35rem);
}

.ihma-sequence-label,
.ihma-detail-title {
  color: var(--ihma-accent-dark);
  font-size: 1rem;
  letter-spacing: 0.03em;
  margin: 0 0 0.8rem;
  text-transform: uppercase;
}

.ihma-selected-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  min-height: 72px;
}

.ihma-placeholder {
  color: var(--ihma-muted);
  font-weight: 700;
  margin: 0;
}

.ihma-sequence-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.ihma-sequence-card {
  appearance: none;
  background: #ffffff;
  border: 2px solid var(--ihma-line);
  border-radius: 22px;
  color: var(--ihma-text);
  cursor: pointer;
  font-family: inherit;
  padding: 0.75rem;
  position: relative;
  text-align: center;
  transition: border-color 0.18s ease, transform 0.18s ease, opacity 0.18s ease;
}

.ihma-sequence-card:hover,
.ihma-sequence-card:focus-visible {
  border-color: var(--ihma-accent);
  outline: none;
  transform: translateY(-1px);
}

.ihma-sequence-card.is-selected {
  background: var(--ihma-soft);
  border-color: var(--ihma-positive);
  cursor: default;
  opacity: 0.65;
}

.ihma-sequence-card img {
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(44, 31, 28, 0.14);
  display: block;
  height: auto;
  margin: 0 auto 0.75rem;
  max-height: 260px;
  max-width: 100%;
  object-fit: contain;
}

.ihma-sequence-card-label {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.25;
}

.ihma-sequence-marker {
  align-items: center;
  background: var(--ihma-accent);
  border-radius: 999px;
  color: #ffffff;
  display: flex;
  font-size: 1rem;
  font-weight: 800;
  height: 34px;
  justify-content: center;
  left: 0.65rem;
  position: absolute;
  top: 0.65rem;
  width: 34px;
  z-index: 2;
}

.ihma-sequence-marker:empty {
  display: none;
}

.ihma-small-selected-card {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--ihma-line);
  border-radius: 16px;
  display: flex;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
}

.ihma-small-selected-card img {
  border-radius: 10px;
  height: 58px;
  object-fit: cover;
  width: 48px;
}

.ihma-small-number {
  align-items: center;
  background: var(--ihma-accent-dark);
  border-radius: 999px;
  color: #ffffff;
  display: inline-flex;
  height: 28px;
  justify-content: center;
  min-width: 28px;
}

.ihma-sequence-actions {
  flex-wrap: wrap;
}

.ihma-light-button {
  background: #ffffff;
}

.ihma-sequence-summary-detail {
  border-top: 1px solid var(--ihma-line);
  margin-top: 1.25rem;
  padding-top: 1.25rem;
}

@media (max-width: 760px) {
  .ihma-sequence-grid {
    grid-template-columns: 1fr 1fr;
  }

  .ihma-sequence-card img {
    max-height: 190px;
  }

  .ihma-sequence-card-label {
    font-size: 0.92rem;
  }
}

@media (max-width: 520px) {
  .ihma-sequence-grid {
    grid-template-columns: 1fr;
  }

  .ihma-selected-list {
    display: grid;
  }
}

.ihma-open-response {
  background: #ffffff;
  border: 2px solid var(--ihma-line);
  border-radius: 18px;
  color: var(--ihma-text);
  display: block;
  font-family: inherit;
  font-size: 1.05rem;
  line-height: 1.5;
  min-height: 140px;
  padding: 1rem;
  resize: vertical;
  width: 100%;
}

.ihma-open-response:focus {
  border-color: var(--ihma-accent);
  outline: none;
}

.ihma-support-focus {
  background: var(--ihma-soft);
  border-radius: 14px;
  color: var(--ihma-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
}

.ihma-open-visual img {
  max-height: 260px;
}

@media (max-width: 820px) {
  .ihma-open-visual img {
    max-height: 220px;
  }
}

.ihma-matching-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.ihma-matching-card {
  appearance: none;
  background: #ffffff;
  border: 2px solid var(--ihma-line);
  border-radius: 22px;
  color: var(--ihma-text);
  cursor: pointer;
  font-family: inherit;
  padding: 0.75rem;
  text-align: center;
  transition: border-color 0.18s ease, transform 0.18s ease, opacity 0.18s ease, background 0.18s ease;
}

.ihma-matching-card:hover,
.ihma-matching-card:focus-visible {
  border-color: var(--ihma-accent);
  outline: none;
  transform: translateY(-1px);
}

.ihma-matching-card.is-selected {
  background: var(--ihma-soft);
  border-color: var(--ihma-accent-dark);
}

.ihma-matching-card.is-found {
  background: #ecf5ef;
  border-color: var(--ihma-positive);
  cursor: default;
  opacity: 0.72;
}

.ihma-matching-card img {
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(44, 31, 28, 0.14);
  display: block;
  height: auto;
  margin: 0 auto 0.75rem;
  max-height: 220px;
  max-width: 100%;
  object-fit: contain;
}

.ihma-matching-summary-detail {
  display: grid;
  gap: 0.8rem;
}

.ihma-matching-pair-row {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.ihma-matching-pair-row::before {
  color: var(--ihma-muted);
  content: "Relación";
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  width: 92px;
}

@media (max-width: 760px) {
  .ihma-matching-grid {
    grid-template-columns: 1fr 1fr;
  }

  .ihma-matching-card img {
    max-height: 170px;
  }
}

@media (max-width: 520px) {
  .ihma-matching-grid {
    grid-template-columns: 1fr;
  }

  .ihma-matching-pair-row::before {
    width: 100%;
  }
}

.ihma-open-summary-detail {
  display: grid;
  gap: 0.55rem;
  max-height: 440px;
  overflow: auto;
  padding-right: 0.25rem;
}

.ihma-open-answer-row {
  align-items: center;
  background: #fff;
  border: 1px solid var(--ihma-border);
  border-radius: 16px;
  display: grid;
  gap: 0.55rem;
  grid-template-columns: 44px 1fr auto;
  padding: 0.65rem 0.75rem;
}

.ihma-open-answer-index {
  align-items: center;
  background: var(--ihma-soft);
  border-radius: 999px;
  color: var(--ihma-accent-dark);
  display: inline-flex;
  font-weight: 800;
  height: 32px;
  justify-content: center;
  width: 32px;
}

.ihma-open-answer-expected {
  color: var(--ihma-text);
  font-size: 1rem;
  font-weight: 800;
}

.ihma-open-answer-ok,
.ihma-open-answer-review {
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.35rem 0.65rem;
}

.ihma-open-answer-ok {
  background: #ecf5ef;
  color: #28724a;
}

.ihma-open-answer-review {
  background: #fff4e4;
  color: #9f5f19;
}

@media (max-width: 520px) {
  .ihma-open-answer-row {
    grid-template-columns: 38px 1fr;
  }

  .ihma-open-answer-ok,
  .ihma-open-answer-review {
    grid-column: 2;
    justify-self: start;
  }
}