.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-base);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transicion);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 1px 2px rgba(137, 3, 61, 0.15);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--sombra-sm);
}
.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-secundario {
  background: var(--color-white);
  color: var(--texto-principal);
  border: 1px solid var(--borde-fuerte);
}
.btn-secundario:hover:not(:disabled) {
  background: var(--color-light);
}

.btn-peligro {
  background: var(--color-danger-light);
  color: var(--color-danger);
}
.btn-peligro:hover:not(:disabled) {
  background: var(--color-danger);
  color: var(--color-white);
}

.btn-texto {
  background: transparent;
  color: var(--color-primary);
  padding: 8px 10px;
}
.btn-texto:hover:not(:disabled) {
  background: var(--color-primary-light);
}

.btn-sm { padding: 6px 12px; font-size: 13px; }