/**
 * Codificador Base64 - Estilos
 */

/* Mode selector */
.mode-selector {
  display: flex;
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 0.25rem;
  margin-bottom: 1.5rem;
}

.mode-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.2s;
}

.mode-btn:hover {
  color: var(--gray-900);
}

.mode-btn.active {
  background: white;
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Text areas */
.base64-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.base64-textarea {
  width: 100%;
  min-height: 250px;
  padding: 1rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.base64-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.base64-textarea[readonly] {
  background: var(--gray-50);
}

.base64-textarea.error {
  border-color: #ef4444;
  background: #fef2f2;
}

/* Labels */
.textarea-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.textarea-label {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--gray-700);
}

.textarea-count {
  font-size: 0.75rem;
  color: var(--gray-500);
}

/* Arrow */
.arrow-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-400);
}

.swap-btn {
  padding: 0.5rem;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 50%;
  color: var(--gray-500);
  cursor: pointer;
  transition: all 0.2s;
}

.swap-btn:hover {
  background: var(--gray-200);
  color: var(--gray-700);
}

/* Error message */
.error-message {
  display: none;
  padding: 0.75rem 1rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  color: #dc2626;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.error-message.show {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Actions */
.base64-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Stats */
.base64-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 1rem;
  background: var(--gray-100);
  border-radius: var(--radius);
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* Responsive */
@media (max-width: 768px) {
  .base64-grid {
    grid-template-columns: 1fr;
  }

  .arrow-container {
    flex-direction: row;
    padding: 0.5rem 0;
  }

  .arrow-container svg:first-child {
    transform: rotate(90deg);
  }
}