/* ============================================
   MK EBOOKS MANAGER — Catálogo público
   ============================================ */

.mk-ebooks-catalog-section {
  padding-top: 120px;
}

.mk-ebooks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.mk-ebook-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}

.mk-ebook-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.mk-ebook-card__cover {
  position: relative;
  aspect-ratio: 3 / 4;
  background: linear-gradient(145deg, var(--surface) 0%, var(--surface-2) 100%);
  overflow: hidden;
}

.mk-ebook-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mk-ebook-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.mk-ebook-card__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: linear-gradient(135deg, #802CD4, #B62CD4);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
  box-shadow: 0 4px 12px rgba(128, 44, 212, 0.3);
}

.mk-ebook-card__content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.mk-ebook-card__cover-link {
  display: block;
  text-decoration: none;
}

.mk-ebook-card__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.mk-ebook-card__title a {
  color: inherit;
  text-decoration: none;
}

.mk-ebook-card__title a:hover {
  color: var(--primary);
}

.mk-ebook-card__subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.mk-ebook-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.mk-ebook-card__footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.mk-ebook-card__price {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.mk-ebook-card__price-old {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: line-through;
}

.mk-ebook-card__price-current {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.mk-ebook-card__form {
  margin: 0;
}

.mk-ebook-card__form .btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
}

/* ---- Página de detalle del ebook ---- */
.mk-ebook-single-hero {
  min-height: auto;
  padding-top: 120px;
  padding-bottom: 4rem;
}

.mk-ebook-single-hero .hero-ebook__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

.mk-ebook-single__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.mk-ebook-single__price {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.mk-ebook-single__price-old {
  color: var(--text-muted);
  font-size: 1.25rem;
  text-decoration: line-through;
}

.mk-ebook-single__price-current {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
}

.mk-ebook-single__discount {
  background: linear-gradient(135deg, #802CD4, #B62CD4);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
}

.mk-ebook-single__form {
  margin-bottom: 1.5rem;
}

.mk-ebook-single__back {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.mk-ebook-single__back:hover {
  color: var(--primary);
}

.mk-ebook-single__cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 0 60px rgba(128, 44, 212, 0.15);
}

.mk-ebook-single-description {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.mk-ebook-single__content {
  max-width: 800px;
  margin: 0 auto;
}

.mk-ebook-single__text {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.mk-ebook-single__text h2,
.mk-ebook-single__text h3 {
  color: var(--text);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.mk-ebook-single__text ul,
.mk-ebook-single__text ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.mk-ebook-single__text li {
  margin-bottom: 0.5rem;
}

.mk-ebook-single__text strong {
  color: var(--text);
}

/* Responsive */
@media (max-width: 1024px) {
  .mk-ebooks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mk-ebook-single-hero .hero-ebook__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .mk-ebook-single__meta {
    justify-content: center;
  }

  .mk-ebook-single__price {
    justify-content: center;
  }

  .mk-ebook-single-hero .hero-ebook__cover {
    display: block;
    order: -1;
    max-width: 280px;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .mk-ebooks-grid {
    grid-template-columns: 1fr;
  }

  .mk-ebook-card__footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .mk-ebook-card__form {
    width: 100%;
  }

  .mk-ebook-card__form .btn {
    width: 100%;
  }
}