/* Browse Page - Spotify-Style Square Grid */

/* Hero (anonymous landing only, 60vh) */
.browse-hero {
  height: 60vh;
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .browse-hero {
    height: 50vh;
  }
}

.browse-hero .carousel-overlay {
  background: linear-gradient(to top,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(0, 0, 0, 0.4) 30%,
    transparent 70%);
}

/* Browse body */
.browse-content {
  padding: 32px 0 120px;
}

/* When inside feed-container, container provides spacing */
.feed-container .browse-content {
  padding-top: 0;
}

.feed-container .creators-row {
  padding-left: 0;
  padding-right: 0;
}

.browse-hero + .browse-content {
  padding-top: 0;
  margin-top: -40px;
  position: relative;
  z-index: 5;
}

/* Shelf Row */
.shelf {
  margin-bottom: 40px;
}

.shelf__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0 24px;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .shelf__header {
    padding: 0 16px;
    margin-bottom: 12px;
  }
}

.shelf__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

@media (max-width: 768px) {
  .shelf__title {
    font-size: 18px;
  }
}

.shelf__see-all {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  white-space: nowrap;
  transition: color 0.15s;
}

.shelf__see-all:hover {
  color: var(--text-primary);
}

/* Shelf responsive grid */
.shelf__scroll {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  padding: 0 24px 8px;
}

@media (max-width: 768px) {
  .shelf__scroll {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    padding: 0 16px 8px;
  }
}

/* Browse Card */
.browse-card {
  cursor: pointer;
  transition: transform 0.2s var(--ease-smooth, ease),
              box-shadow 0.2s var(--ease-smooth, ease),
              border-color 0.2s var(--ease-smooth, ease);
  min-width: 0;
  border-radius: 12px;
  border: 1px solid transparent;
}

.browse-card:hover {
  transform: var(--hover-lift-md, translateY(-4px));
  box-shadow: var(--glow-accent, 0 0 20px rgba(26, 90, 148, 0.15));
  border-color: rgba(26, 90, 148, 0.2);
}

.browse-card:active {
  transform: scale(0.97);
}

/* Card artwork */
.browse-card__art {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--pearl) 0%, var(--cloud) 100%);
  margin-bottom: 10px;
}

.browse-card__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s var(--ease-smooth, ease);
}

.browse-card:hover .browse-card__art img {
  transform: scale(1.05);
}

/* Gradient overlay on artwork for text legibility */
.browse-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
  pointer-events: none;
  border-radius: 12px;
}

/* Card artwork fallback icon */
.browse-card__art-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
}

/* Play button overlay */
.browse-card__play {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border: none;
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  z-index: 3;
}

.browse-card:hover .browse-card__play {
  opacity: 1;
  transform: translateY(0);
}

/* On touch devices, always show play button */
@media (hover: none) {
  .browse-card__play {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Card text */
.browse-card__title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}

.browse-card__meta {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.browse-card__meta-creator {
  color: var(--text-secondary);
}

.browse-card__likes {
  color: rgba(26, 90, 148, 0.7);
}

/* Duration pill on card art */
.browse-card__duration {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
  z-index: 3;
}

/* Skeleton loading */
.browse-card--skeleton {
  min-width: 0;
}

.browse-card--skeleton .browse-card__art {
  background: linear-gradient(90deg,
    var(--glass-bg) 25%,
    var(--glass-bg) 50%,
    var(--glass-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.browse-card--skeleton .browse-card__title {
  height: 14px;
  width: 80%;
  background: var(--glass-bg);
  border-radius: 4px;
  margin-bottom: 6px;
}

.browse-card--skeleton .browse-card__meta {
  height: 12px;
  width: 50%;
  background: var(--glass-bg);
  border-radius: 4px;
}

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

/* Creators Row */
.creators-row {
  padding: 16px 24px 0;
  position: relative;
  z-index: 5;
}

.browse-hero + .creators-row {
  margin-top: -32px;
}

.creators-row__scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
}

.creators-row__scroll::-webkit-scrollbar {
  display: none;
}

.creator-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  flex-shrink: 0;
  width: 68px;
  transition: transform 0.15s;
}

.creator-chip:active {
  transform: scale(0.95);
}

.creator-chip__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-subtle);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.creator-chip:hover .creator-chip__avatar {
  border-color: rgba(26, 90, 148, 0.5);
  box-shadow: 0 0 12px rgba(26, 90, 148, 0.2);
}

.creator-chip__avatar--initial {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
}

.creator-chip__name {
  font-size: 11px;
  color: var(--text-secondary);
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
}

@media (max-width: 768px) {
  .creators-row {
    padding: 12px 16px 0;
  }

  .creators-row__scroll {
    gap: 12px;
  }

  .creator-chip {
    width: 60px;
  }

  .creator-chip__avatar {
    width: 44px;
    height: 44px;
  }
}

/* Empty state */
.browse-empty {
  text-align: center;
  padding: 80px 24px;
}

.browse-empty__icon {
  color: var(--text-dim);
  margin-bottom: 16px;
}

.browse-empty__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.browse-empty__subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.browse-empty__cta {
  display: inline-block;
}

/* Unified Feed Grid (replaces per-category shelves) */
.feed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 180px));
  gap: 16px;
  padding: 0 24px 8px;
  justify-content: center;
}

/* When inside feed-container, container provides horizontal padding */
.feed-container .feed-grid {
  padding-left: 0;
  padding-right: 0;
}

@media (max-width: 768px) {
  .feed-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 160px));
    gap: 12px;
    padding: 0 16px 8px;
  }

  .feed-container .feed-grid {
    padding-left: 0;
    padding-right: 0;
  }
}

/* Infinite scroll sentinel + spinner */
.feed-sentinel {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  padding: 24px 0;
}

.feed-spinner {
  display: flex;
  gap: 6px;
  align-items: center;
}

.feed-spinner__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--glass-bg-hover);
  animation: feed-pulse 1.2s ease-in-out infinite;
}

.feed-spinner__dot:nth-child(2) {
  animation-delay: 0.15s;
}

.feed-spinner__dot:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes feed-pulse {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* Empty shelf (hidden) */
.shelf--empty {
  display: none;
}