/* === BOTONES === */
.btn {
  display: inline-block;
  padding: 10px 20px;
  margin: 8px;
  border: none;
  border-radius: 8px;
  background-color: #2196f3;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn:hover {
  background-color: #1976d2;
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: #26c789;
}

.btn-secondary:hover {
  background-color: #1ea36e;
}

.btn-accent {
  background-color: #49633b;
}

.btn-accent:hover {
  background-color: #3a4f2e;
}

.btn-danger {
  background-color: #f44336;
}

.btn-danger:hover {
  background-color: #d32f2f;
}

.btn-large {
  padding: 15px 20px;
  font-size: 18px;
}

.btn-small {
  padding: 5px 10px;
  font-size: 14px;
}

.btn-block {
  display: block;
  width: 100%;
}

.btnCentrales button {
  margin: 8px 0;
  width: 100%;
  max-width: 300px;
  padding: 15px;
  font-size: 16px;
}

/* Botones con iconos */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon i {
  margin-right: 5px;
}

/* Estados de botones */
.btn:disabled {
  background-color: #cccccc;
  cursor: not-allowed;
  opacity: 0.7;
}

/* Botones de carga */
.btn-loading {
  position: relative;
  pointer-events: none;
}

.btn-loading:after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  border: 3px solid transparent;
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: button-loading-spinner 1s ease infinite;
}

@keyframes button-loading-spinner {
  from {
    transform: rotate(0turn);
  }
  to {
    transform: rotate(1turn);
  }
}

/* Media queries para botones en móviles */
@media screen and (max-width: 768px) {
  .btn {
    padding: 12px 20px;
  }
  
  .btnCentrales button {
    margin: 8px 0;
    width: 100%;
    max-width: 300px;
    padding: 15px;
    font-size: 16px;
  }
}