/* Layout Components and Utilities */

/* Grid Layouts */
.books-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

/* Mobile dense grid spacing */
@media (max-width: 768px) {
  .books-grid {
    gap: var(--space-mobile-md);
  }
}

@media (min-width: 769px) {
  .books-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
}

@media (min-width: 1024px) {
  .books-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Title and search result cards, one per row */
.entity-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.titles-section .title-card {
  width: 100%;
}

/* Content Grid with Sidebar */
.content-grid .books-grid {
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 1024px) {
  .content-grid .books-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1400px) {
  .content-grid .books-grid {
    gap: 2.5rem;
  }
}

/* Flexbox Layout Utilities */
.flex-center-gap-05 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.flex-center-gap-075 {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

/* Mobile dense flex layout for publication cards */
@media (max-width: 768px) {
  .flex-center-gap-075 {
    gap: var(--space-mobile-sm);
    margin-bottom: var(--space-mobile-sm);
  }

  .flex-center-gap-05 {
    gap: var(--space-mobile-xs);
    margin-bottom: var(--space-mobile-sm);
  }
}

/* Main Title Footer Layout */
.main-title-footer {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding-bottom: var(--space-sm);
}

.main-title-stats {
  flex: 1;
  margin-bottom: 0;
  justify-content: flex-start;
}

.main-title-buttons {
  flex-shrink: 0;
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

/* Header Content Layouts */
.header-content {
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
}

.series-info {
  order: 1;
  flex: 1;
}

.series-tags {
  display: none;
}

.series-tags-desktop {
  display: block;
}

/* Title Header Layout */
.title-header .header-content {
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
  justify-content: space-between;
}

.title-info {
  flex: 1;
  min-width: 0;
}

.title-cover-area {
  flex-shrink: 0;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 300px;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}

/* display: flex above would otherwise win over the hidden attribute */
.empty-state[hidden] {
  display: none;
}

.empty-content,
.empty-state-content {
  max-width: 400px;
  padding: var(--space-xl);
}

.empty-state-icon {
  font-size: var(--font-size-5xl);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-md);
  opacity: 0.3;
}

.empty-state-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.empty-state-message {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.empty-state-suggestions ul {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0;
}

.empty-state-suggestions li {
  margin: var(--space-xs) 0;
}

/* Content Sections */
.content {
  margin-bottom: 0;
}

/* Bio Detail Rows */
.bio-details-list {
  margin: 0;
  padding: 0;
}

.bio-detail-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: var(--border-width-sm) solid var(--color-border-primary);
}

.bio-detail-row:last-child {
  border-bottom: none;
}

.bio-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  min-width: 80px;
  flex-shrink: 0;
}

.bio-icon {
  color: var(--color-heading-secondary);
  font-size: var(--font-size-sm);
  width: 14px;
  text-align: center;
}

.bio-value {
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  margin: 0;
  flex: 1;
  line-height: var(--line-height-normal);
}

.age-display {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-xs);
  font-style: italic;
  display: block;
  margin-top: var(--space-xs);
}

/* Author Profile */
.author-profile {
  text-align: center;
}

.author-name-section {
  text-align: center;
  margin: var(--space-md) 0 var(--space-lg) 0;
}

.author-display-name {
  color: var(--color-heading-secondary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
  text-decoration: none;
}

.author-bio-details {
  margin-top: var(--space-lg);
}

.author-external-links {
  display: flex;
  flex-wrap: wrap;
  column-gap: var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
}

.author-external-links a {
  gap: var(--space-sm);
}

/* Responsive Layout Adjustments */
@media (max-width: 768px) {
  .main-title-footer {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding-bottom: var(--space-xs);
  }

  .main-title-stats {
    align-self: flex-start;
    order: 1;
    justify-content: flex-start;
  }

  .main-title-buttons {
    order: 2;
    align-self: center;
  }

  .series-header .header-content,
  .title-header .header-content {
    flex-direction: column;
    align-items: center;
  }

  .series-info {
    order: 1;
    text-align: center;
    margin-bottom: var(--space-md);
  }

  .series-tags {
    display: block;
    order: 3;
    align-self: center;
  }

  .series-tags-desktop {
    display: none;
  }

  .title-header .header-content {
    text-align: center;
    gap: var(--space-lg);
  }

  .title-cover-area {
    order: -1;
  }

  .bio-detail-row {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .bio-label {
    min-width: auto;
  }
}

/* Text Utilities */
.subtitle-secondary {
  color: var(--color-text-secondary);
}

/* Publication Info */
.publication-details {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.publication-details-list {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

.publication-detail-item {
  margin-bottom: var(--space-sm);
}

.book-icon-accent {
  color: var(--color-heading-secondary);
  font-size: var(--font-size-xl);
}