.theme-toggle {
  background: var(--glass-background);
  backdrop-filter: blur(2px);
  border: 1px solid var(--glass-border);
  color: var(--text-color);
  padding: 0.5rem;
  border-radius: 50px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-color);
  background: var(--accent-color);
  color: white;
}

.theme-toggle i {
  transition: all 0.3s ease;
}

.theme-toggle:hover i {
  transform: rotate(180deg);
}

/* Animación para el cambio de tema */
.theme-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--accent-color);
  border-radius: 50px;
  transform: scale(0);
  transition: transform 0.3s ease;
  z-index: -1;
}

.theme-toggle:hover::before {
  transform: scale(1);
}

/* Estilos específicos para móviles */
@media (max-width: 768px) {
  .theme-toggle {
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }
}

/* Animación de transición para todo el sitio */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}