/* Posición por defecto (bottom-right) */
.scroll-to-top-button-bottom-right {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.scroll-to-top-button-bottom-left {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.scroll-to-top-button-top-right {
  position: fixed;
  top: 30px;
  right: 30px;
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.scroll-to-top-button-top-left {
  position: fixed;
  top: 30px;
  left: 30px;
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Efectos hover para todas las posiciones */
.scroll-to-top-button-bottom-right:hover,
.scroll-to-top-button-bottom-left:hover,
.scroll-to-top-button-top-right:hover,
.scroll-to-top-button-top-left:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* Responsive para dispositivos móviles */
@media (max-width: 768px) {
  .scroll-to-top-button-bottom-right,
  .scroll-to-top-button-bottom-left {
    bottom: 20px;
  }
  
  .scroll-to-top-button-bottom-right {
    right: 20px;
  }
  
  .scroll-to-top-button-bottom-left {
    left: 20px;
  }
  
  .scroll-to-top-button-top-right,
  .scroll-to-top-button-top-left {
    top: 20px;
  }
  
  .scroll-to-top-button-top-right {
    right: 20px;
  }
  
  .scroll-to-top-button-top-left {
    left: 20px;
  }
}