/* IPA Chart Specific Styles */
.ipa-container {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 3rem;
  padding: 2.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  width: 100%;
  max-width: 1200px;
  margin: 1rem auto;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.ipa-section {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 2rem;
  align-items: center;
}

.ipa-vertical-label {
  writing-mode: vertical-lr;
  transform: rotate(180deg);
  text-align: center;
  font-weight: 900;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 8px;
  color: var(--text-muted);
  opacity: 0.7;
  border-right: 3px solid var(--card-border);
  height: 100%;
  padding-right: 1.5rem;
}

.ipa-vowels-header {
  display: grid;
  grid-template-columns: repeat(4, 1fr) repeat(3, 1fr);
  font-weight: 800;
  font-size: clamp(1rem, 3vw, 1.8rem);
  text-transform: lowercase;
  gap: 10px;
}

.monophthongs-text { grid-column: 1 / 5; text-align: center; color: #00897b; }
.diphthongs-text { grid-column: 5 / 8; text-align: center; color: #1a237e; }

.ipa-premium-container {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
}

.ipa-new-title {
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  color: var(--text-main);
  text-align: center;
  width: 100%;
  margin-bottom: 0.5rem;
  font-family: 'Outfit', sans-serif;
}

.ipa-unified-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1.5vw;
  padding: 0.5rem;
  width: 100%;
}

.ipa-card-premium {
  width: 100%;
  aspect-ratio: 1 / 1.15;
  border-radius: clamp(6px, 1.5vw, 12px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(2px, 1vw, 10px);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  color: white;
  text-align: center;
}

.ipa-card-premium.red { background-color: #d8432e; }
.ipa-card-premium.blue { background-color: #0076ad; }

.ipa-card-premium:hover {
  transform: translateY(-8px);
  filter: brightness(1.1);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.5);
}

.ipa-card-premium.is-playing {
  transform: scale(0.92);
  filter: brightness(1.3);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.ipa-symbol-large {
  font-size: clamp(1rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 0px;
  line-height: 1;
}

.ipa-synthetic-hint {
  font-size: clamp(0.5rem, 1.8vw, 0.9rem);
  opacity: 0.8;
  margin-top: clamp(2px, 0.5vw, 5px);
}

.ipa-example-link {
  font-size: clamp(0.5rem, 2vw, 0.95rem);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
  margin-top: clamp(2px, 0.5vw, 5px);
}

@media (max-width: 480px) {
  .ipa-unified-grid { gap: 4px; }
  .ipa-vowels-header { gap: 4px; font-size: 0.8rem; }
}