.wrong-letters {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.wrong-letters span {
  color: var(--red-light);
  font-weight: 600;
  letter-spacing: 0.15em;
}

.word-display {
  width: 100%;
  container-type: inline-size;
  container-name: word-display;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2rem;
  min-height: 60px;
  --slot-gap: 0.6rem;
  --slot-max: clamp(40px, 7cqw, 52px);
  --slot-size: min(
    var(--slot-max),
    calc((100cqw - (var(--slot-count, 1) - 1) * var(--slot-gap)) / var(--slot-count, 1))
  );
}

.word-group {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--slot-gap, 0.6rem);
  max-width: 100%;
}

.letter-slot {
  width: var(--slot-size);
  height: calc(var(--slot-size) * 1.33);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.85rem, calc(var(--slot-size) * 0.42), 1.75rem);
  font-weight: 700;
  color: var(--gold-light);
  border-bottom: max(2px, calc(var(--slot-size) * 0.07)) solid var(--gold);
  text-transform: uppercase;
  transition: color 0.3s, transform 0.2s;
  flex-shrink: 0;
}

.letter-slot.space {
  width: calc(var(--slot-size) * 0.55);
  border-bottom: none;
}

.letter-slot.revealed {
  animation: reveal 0.4s ease;
}

@keyframes reveal {
  0% { transform: translateY(-10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

.input-area {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.input-area input {
  flex: 1;
  min-width: 0;
  padding: 0.85rem 1.2rem;
  font-size: 1.1rem;
  text-transform: uppercase;
  text-align: center;
  letter-spacing: 0.3em;
  background: var(--bg-deep);
  border: 2px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-area input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.input-area input::placeholder {
  letter-spacing: normal;
  text-transform: none;
  color: var(--text-muted);
}

@media (max-width: 480px) {
  .word-display {
    gap: 0.4rem;
    margin-bottom: 1.25rem;
    --slot-gap: 0.35rem;
    --slot-max: clamp(36px, 10cqw, 44px);
  }

  .input-area {
    flex-direction: column;
    align-items: stretch;
  }

  .input-area input {
    letter-spacing: 0.15em;
  }

  .input-area .btn {
    width: 100%;
    padding: 0.85rem 1rem;
  }
}