/* Skeleton Loader Styles */
:root{
  --skeleton-base: 240,240,240;
  --skeleton-highlight: 180,180,180;
  --skeleton-duration: 1.5s;
  --skeleton-radius: 0.5rem;
}

/* updated base skeleton using variables (mais flexível para temas) */
.skeleton {
  background: linear-gradient(90deg,
    rgba(var(--skeleton-base), 0.2) 25%,
    rgba(var(--skeleton-highlight), 0.8) 50%,
    rgba(var(--skeleton-base), 0.2) 75%);
  background-size: 200% 100%;
  animation: loading var(--skeleton-duration) infinite linear;
  border-radius: var(--skeleton-radius);
  display: inline-block;
}

/* imagem/video: mantém proporção e cobre box */
.skeleton-img {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  display: block;
  object-fit: cover;
}

/* utilitários de formatos */
.skeleton-circle,
.skeleton-avatar,
.skeleton-testimonial {
  border-radius: 50%;
}

.skeleton-square {
  aspect-ratio: 1 / 1;
}

.skeleton-rect {
  border-radius: 0.75rem;
}

/* pill / botão */
.skeleton-pill {
  height: 36px;
  border-radius: 999px;
  display: inline-block;
  vertical-align: middle;
}

/* texto: várias linhas com larguras variáveis para pareceres reais */
.skeleton-text {
  display: block;
  width: 100%;
}

.skeleton-line {
  height: 0.9rem;
  border-radius: 6px;
  margin-bottom: 0.6rem;
  width: 100%;
}

/* variações de largura para simular frases/parágrafos */
.skeleton-line.short { width: 40%; }
.skeleton-line.medium { width: 70%; }
.skeleton-line.long { width: 90%; }

/* code block / pre */
.skeleton-code .skeleton-line {
  height: 0.75rem;
  margin-bottom: 0.45rem;
  border-radius: 4px;
}

/* responsivos por aspecto (útil para cards, videos, imagens) */
.skeleton.aspect-16-9 { aspect-ratio: 16 / 9; }
.skeleton.aspect-4-3  { aspect-ratio: 4 / 3; }
.skeleton.aspect-1-1  { aspect-ratio: 1 / 1; }

/* alternativa para controlar via atributo (JS-friendly) */
.skeleton[data-loading="false"], .image-loaded .skeleton {
  display: none;
}

/* mantém classes existentes com tamanhos padrões (preservado) */
.skeleton-banner {
  height: 500px;
  width: 100%;
}

.skeleton-catalog {
  height: 250px;
  width: 100%;
  border-radius: 1rem 1rem 0 0;
}

.skeleton-video {
  height: 300px;
  width: 100%;
  border-radius: 1rem;
}

.skeleton-box {
  height: 50vh;
  width: 100%;
  border-radius: 1rem;
}

@keyframes loading {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .skeleton-banner {
    height: 300px;
  }
  
  .skeleton-video {
    height: 200px;
  }
}

/* acessibilidade: reduzir movimento quando preferido */
@media (prefers-reduced-motion: reduce) {
  .skeleton {
    animation: none;
    background-size: 100% 100%;
  }
}

/* Hide skeleton when image is loaded (preservado) */
.image-loaded .skeleton {
  display: none;
}