/* Category Entity Styles */
/* 16:9 landscape cards with title overlay for category browsing */

.category-card {
  overflow: visible !important;
  display: block;
  text-decoration: none;
}

.category-card .category-thumbnail-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--card-border-radius);
  overflow: hidden;
  border: 0.156vw solid transparent;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.category-card.focused .category-thumbnail-container {
  border-color: var(--focus-ring-color);
  box-shadow: 0 0 var(--focus-glow-blur) var(--focus-glow-spread) var(--focus-glow-color);
  transform: scale(1.02);
}

.category-card:focus {
  outline: none;
}

.category-card .category-thumbnail {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--card-border-radius);
}

.category-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2vh 1.5vw;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
  border-radius: 0 0 var(--card-border-radius) var(--card-border-radius);
}

.category-title {
  font-size: 1.8vw;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text-primary);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  margin-bottom: 0.5vh;
}

.category-channel-count {
  font-size: 1.1vw;
  line-height: 1.4;
  color: var(--color-text-secondary);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Categories screen: 3-column grid layout */
[data-layer="thumbnails"][data-screen="categories"] .thumbnails-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 2vw;
  row-gap: 4vh;
  overflow: visible;
  transform: none !important;
}

/* Categories screen: hide section headings since each card is a category */
[data-layer="thumbnails"][data-screen="categories"] .thumbnails-theme-title {
  display: none;
}

/* Categories screen: position thumbnails below navbar */
[data-layer="thumbnails"][data-screen="categories"] {
  padding-top: 12vh;
}

[data-layer="thumbnails"][data-screen="categories"] .thumbnails-track {
  padding-top: 0;
}

[data-layer="thumbnails"][data-screen="categories"] .thumbnails-container {
  height: auto;
  overflow: visible;
}

/* Categories screen: section margin adjustment */
[data-layer="thumbnails"][data-screen="categories"] .thumbnails-section {
  margin-bottom: 0;
}

/* Category-channels screen: 5-column grid layout for channels */
[data-layer="thumbnails"][data-screen="category-channels"] .thumbnails-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  column-gap: 1.5vw;
  row-gap: 3vh;
  overflow: visible;
  transform: none !important;
}

/* Category-channels screen: hide section headings */
[data-layer="thumbnails"][data-screen="category-channels"] .thumbnails-theme-title {
  display: none;
}

/* Category-channels screen: position thumbnails below navbar */
[data-layer="thumbnails"][data-screen="category-channels"] {
  padding-top: 12vh;
}

[data-layer="thumbnails"][data-screen="category-channels"] .thumbnails-track {
  padding-top: 0;
}

[data-layer="thumbnails"][data-screen="category-channels"] .thumbnails-container {
  height: auto;
  overflow: visible;
}

/* Category-channels screen: section margin adjustment */
[data-layer="thumbnails"][data-screen="category-channels"] .thumbnails-section {
  margin-bottom: 0;
}

/* Channels screen: 5-column grid layout for all channels */
[data-layer="thumbnails"][data-screen="channels"] .thumbnails-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  column-gap: 1.5vw;
  row-gap: 3vh;
  overflow: visible;
  transform: none !important;
}

/* Channels screen: hide section headings */
[data-layer="thumbnails"][data-screen="channels"] .thumbnails-theme-title {
  display: none;
}

/* Channels screen: position thumbnails below navbar */
[data-layer="thumbnails"][data-screen="channels"] {
  padding-top: 12vh;
}

[data-layer="thumbnails"][data-screen="channels"] .thumbnails-track {
  padding-top: 0;
}

[data-layer="thumbnails"][data-screen="channels"] .thumbnails-container {
  height: auto;
  overflow: visible;
}

/* Channels screen: section margin adjustment */
[data-layer="thumbnails"][data-screen="channels"] .thumbnails-section {
  margin-bottom: 0;
}