/* components/chapter-cards.css */

/* Grilla de portadas: Home y capítulos
   ============================================================ */

.portadas {
  display: grid;
  grid-template-columns: repeat(
    auto-fill,
    minmax(190px, 1fr)
  );
  gap: 22px;
  margin-top: 20px;
}

.portadas .portada-card {
  position: relative;
  display: block;
  overflow: hidden;
  padding: 10px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: inherit;
  text-align: center;
  text-decoration: none;
}

/*
 * Textura de puntos inspirada en una trama de cómic.
 * El color se obtiene del acento principal de Balanced.
 */

.portadas .portada-card::before {
  position: absolute;
  inset: 0;
  content: '';
  background-image:
    radial-gradient(
      rgba(var(--accent-primary-rgb), 0.12) 1px,
      transparent 1px
    );
  background-size: 8px 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.portadas .portada-card:hover::before {
  opacity: 1;
}

.portadas .portada-card img {
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
  transition: transform 0.25s ease;
  aspect-ratio: 7 / 10;
  object-fit: cover;
  object-position: center top;
}

.portadas .portada-card:hover img {
  transform: scale(1.04);
}

.portadas p {
  margin: 10px 0 2px;
  color: var(--text-caption);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

/* Card de capitulo bloqueado (Patreon)
   ============================================================ */

.chapter-lock-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 7 / 10;
  overflow: hidden;
  background: var(--surface-deep);
  border-radius: var(--radius-sm);
}

.chapter-lock-cover-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: blur(6px) brightness(0.6);
  transform: scale(1.04);
  transition:
    filter 0.25s ease,
    transform 0.25s ease;
}

.chapter-card-locked:hover .chapter-lock-cover-image,
.chapter-card-locked:focus-visible .chapter-lock-cover-image {
  filter: blur(8px) brightness(0.4);
  transform: scale(1.08);
}

.chapter-lock-icon,
.chapter-lock-patreon {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  transform: translate(-50%, -50%);
  transition: opacity 0.2s ease;
}

.chapter-lock-icon {
  width: clamp(88px, 50%, 145px);
  height: auto;
  max-width: 52%;
  filter: none;
  opacity: 1;
  pointer-events: none;
}

.chapter-lock-patreon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  opacity: 0;
  white-space: nowrap;
}

.portadas .portada-card .chapter-lock-patreon-icon {
  display: block;
  width: 32px;
  height: 32px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  object-position: center;
  border-radius: 4px;
}

.portadas .portada-card:hover .chapter-lock-patreon-icon {
  transform: none;
}

.chapter-lock-patreon-label {
  padding: 6px 16px;
  background: #000000;
  border-radius: 999px;
}

.chapter-card-locked:hover .chapter-lock-icon,
.chapter-card-locked:focus-visible .chapter-lock-icon {
  opacity: 0;
}

.chapter-card-locked:hover .chapter-lock-patreon,
.chapter-card-locked:focus-visible .chapter-lock-patreon {
  opacity: 1;
}

/* En pantallas tactiles, la indicacion de Patreon permanece visible. */
@media (hover: none) {
  .chapter-lock-cover {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
  }

  .chapter-card-locked .chapter-lock-cover-image {
    position: absolute;
    inset: 0;
  }

  .portadas .portada-card .chapter-lock-icon,
  .page-grid .chapter-lock-icon {
    position: relative;
    top: auto;
    left: auto;
    width: min(58%, 120px);
    max-width: none;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    transform: none;
    opacity: 1;
  }

  .portadas .portada-card:hover .chapter-lock-icon,
  .portadas .portada-card:focus-visible .chapter-lock-icon,
  .page-grid .chapter-card-locked:hover .chapter-lock-icon,
  .page-grid .chapter-card-locked:focus-visible .chapter-lock-icon {
    transform: none;
    opacity: 1;
  }

  .portadas .portada-card .chapter-lock-patreon-icon,
  .page-grid .chapter-lock-patreon-icon {
    width: 38px;
    height: 38px;
  }

  .chapter-card-locked .chapter-lock-patreon {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    opacity: 1;
  }

  .chapter-card-locked:hover .chapter-lock-cover-image,
  .chapter-card-locked:focus-visible .chapter-lock-cover-image {
    filter: blur(6px) brightness(0.6);
    transform: scale(1.04);
  }

  .portadas .chapter-card-locked:hover::before {
    opacity: 0;
  }
}

/* Card de capitulo: overlay de Ver/Leer + etiqueta de paginas bloqueadas
   ============================================================ */

.chapter-card-cover {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.chapter-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.chapter-card:hover .chapter-card-overlay,
.chapter-card.is-revealed .chapter-card-overlay {
  opacity: 1;
  pointer-events: auto;
}

.chapter-card-action {
  margin-top: 0;
  padding: 8px 18px;
  font-size: 0.8rem;
  white-space: nowrap;
}

.chapter-card-locked-label {
  margin: 2px 0 0;
  font-family: var(--font-body);
  font-size: 0.75rem;
}

.chapter-card-locked-label.is-locked {
  color: var(--state-error);
}

.chapter-card-locked-label.is-unlocked {
  color: var(--state-success);
}

/* Miniaturas bloqueadas dentro de "Ver capitulo"
   ============================================================ */

.page-thumb-locked {
  display: block;
}