.converter-container {
  max-width: 900px;
  margin: 3rem auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
}

.converter-box {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.converter-box label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.converter-box input,
.converter-box select {
  padding: 0.875rem;
  font-size: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all 0.3s;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: textfield;
}

/* Remove number input spinner arrows */
.converter-box input[type="number"]::-webkit-outer-spin-button,
.converter-box input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.converter-box input:focus,
.converter-box select:focus {
  outline: none;
  border-color: var(--accent-color);
}

.converter-box input[readonly] {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  cursor: default;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1rem;
  opacity: 1;
}

/* Remove HTML5 validation styles */
.converter-box input:invalid,
.converter-box input:valid {
  box-shadow: none;
}

.converter-box input[readonly]:focus {
  border-color: var(--border-color);
  box-shadow: none;
}

.converter-swap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.swap-btn {
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.5rem;
  cursor: pointer;
  transition: background 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.swap-btn:hover {
  background: var(--accent-hover);
}

.swap-btn:active {
  background: var(--accent-hover);
}

.conversion-info {
  max-width: 900px;
  margin: 2rem auto;
  padding: 1.5rem;
  background: var(--card-bg);

  border-radius: 8px;
  text-align: center;
}

.conversion-info p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin: 0;
  font-weight: 500;
  line-height: 1.6;
}

.conversion-from {
  color: var(--accent-color);
  font-weight: 700;
  font-size: 1.3rem;
}

.conversion-to {
  color: var(--accent-color);
  font-weight: 700;
  font-size: 1.3rem;
}

.conversion-unit {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 1rem;
  margin: 0 0.3rem;
}

.conversion-equals {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.2rem;
  margin: 0 0.5rem;
}

.error-text {
  color: #e74c3c;
  font-weight: 600;
}

.initial-text {
  color: var(--text-secondary);
  font-style: italic;
}

@media (max-width: 768px) {
  .converter-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .converter-swap {
    transform: rotate(90deg);
  }

  .swap-btn:hover {
    background: var(--accent-hover);
  }

  .swap-btn:active {
    background: var(--accent-hover);
  }

  .converter-box {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .converter-box {
    padding: 1.25rem;
  }

  .converter-box label {
    font-size: 1rem;
  }

  .converter-box input,
  .converter-box select {
    padding: 0.75rem;
    font-size: 0.95rem;
  }

  .swap-btn {
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
  }
}