/* Botón de cambio de tema */
#theme-toggle {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  box-shadow: 0 2px 5px var(--shadow-color);
  transition: all 0.3s ease;
  z-index: 1000;
}

#theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 8px var(--shadow-color);
}

/* Iconos del tema */
.theme-icon {
  width: 1.5rem;
  height: 1.5rem;
}

.theme-icon.light {
  display: none;
}

/* Aplicar colores de tema a elementos comunes */
a {
  color: var(--accent-color);
}

button {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

/* Transiciones suaves para cambios de tema */
* {
  transition: background-color 0.3s ease, color 0.3s ease,
    border-color 0.3s ease, box-shadow 0.3s ease;
}