/* Gradiente personalizado */
.gradient-bg {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Animaciones */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes bounceIn {
  0% { opacity: 0; transform: scale(0.3); }
  50% { opacity: 1; transform: scale(1.05); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.floating {
  animation: float 3s ease-in-out infinite;
}

.slide-in {
  animation: slideIn 0.5s ease-out;
}

.bounce-in {
  animation: bounceIn 0.6s ease-out;
}

.pulse-animation {
  animation: pulse 2s ease-in-out infinite;
}

/* Efectos hover */
.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Efectos de selección */
.selected {
  border: 3px solid #8b5cf6;
  background: linear-gradient(135deg, #f3e8ff, #e9d5ff);
}

.option-card {
  position: relative;
  overflow: hidden;
}

.option-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: rotate(45deg);
  transition: all 0.6s;
  opacity: 0;
}

.option-card:hover::before {
  animation: shine 0.6s ease-in-out;
}

@keyframes shine {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); opacity: 0; }
}

/* Loading spinner */
.loading-spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #8b5cf6;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive images */
.product-image {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid #e5e7eb;
  transition: all 0.3s ease;
}

.product-image:hover {
  border-color: #8b5cf6;
  transform: scale(1.1);
}