/* ─────────────────────────────────────────────────────────────
   browse.css — search / filter / category UI for the unified
   manifest index. Layered on top of home.css.
   ───────────────────────────────────────────────────────────── */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ── Compact hero ───────────────────────────────────────────── */

.hero-compact {
  padding: 3rem 1.5rem 1.75rem;
}

.hero-compact .hero-lede {
  font-size: clamp(0.95rem, 1.2vw, 1.08rem);
  max-width: 680px;
  margin-bottom: 0.9rem;
}

.hero-embed {
  max-width: 900px;
  margin: 0 auto 1.5rem;
}

.hero-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  opacity: 0.7;
}

.hero-hint kbd {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0.05em 0.4em;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

/* ── Browse shell ───────────────────────────────────────────── */

.browse {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto 4rem;
  padding: 0 1.25rem;
  scroll-margin-top: 76px;
}

.browse-bar {
  position: sticky;
  top: 56px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 0.85rem 1rem 0.7rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(13, 17, 23, 0.82);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.9);
}

.browse-bar.is-stuck {
  border-color: rgba(88, 166, 255, 0.28);
  box-shadow:
    0 18px 40px -20px rgba(0, 0, 0, 0.95),
    0 0 30px -18px var(--accent-glow);
}

.browse-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.browse-row-main {
  align-items: stretch;
}

/* ── Search field ───────────────────────────────────────────── */

.search-field {
  position: relative;
  flex: 1 1 260px;
  min-width: 220px;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  font-size: 1.05rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.6rem 2.2rem 0.6rem 2.15rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.search-input::placeholder {
  color: var(--text-muted);
  opacity: 0.75;
}

.search-input:focus {
  outline: none;
  background: rgba(0, 0, 0, 0.5);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.search-input::-webkit-search-cancel-button {
  display: none;
}

.search-clear {
  position: absolute;
  right: 0.45rem;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s;
}

.search-clear:hover {
  background: rgba(255, 255, 255, 0.16);
  color: var(--text);
}

/* ── Category tabs ──────────────────────────────────────────── */

.cat-tabs {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.cat-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition:
    color 0.2s,
    border-color 0.2s,
    background 0.2s,
    transform 0.15s;
}

.cat-tab:hover {
  color: var(--text);
  border-color: rgba(88, 166, 255, 0.35);
}

.cat-tab[aria-selected='true'] {
  color: #0a0d14;
  background: linear-gradient(135deg, var(--accent), #a78bff);
  border-color: transparent;
  box-shadow: 0 4px 16px -6px var(--accent-glow);
}

.cat-tab .cat-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.05em 0.4em;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.09);
  color: inherit;
  opacity: 0.85;
}

.cat-tab[aria-selected='true'] .cat-count {
  background: rgba(0, 0, 0, 0.22);
}

/* ── Tools ──────────────────────────────────────────────────── */

.browse-tools {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.tool-select {
  appearance: none;
  padding: 0.5rem 1.9rem 0.5rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text);
  background:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path d='M2 4.5 6 8.5 10 4.5' fill='none' stroke='%238b949e' stroke-width='1.5' stroke-linecap='round'/></svg>")
      no-repeat right 0.6rem center / 11px,
    rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9px;
  cursor: pointer;
}

.tool-select:focus {
  outline: none;
  border-color: var(--accent);
}

.view-toggle {
  display: inline-flex;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9px;
  overflow: hidden;
}

.view-btn {
  width: 36px;
  height: 34px;
  display: grid;
  place-items: center;
  border: none;
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-muted);
  font-size: 0.95rem;
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s;
}

.view-btn + .view-btn {
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.view-btn[aria-pressed='true'] {
  background: rgba(88, 166, 255, 0.18);
  color: var(--accent);
}

/* ── Tag facets ─────────────────────────────────────────────── */

.browse-row-tags {
  gap: 0.5rem;
  padding-top: 0.15rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.tag-row-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.7;
}

.tag-chips {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  flex: 1;
}

.tag-chip {
  padding: 0.25rem 0.65rem;
  border: 1px solid rgba(188, 140, 255, 0.22);
  border-radius: 999px;
  background: rgba(188, 140, 255, 0.06);
  color: var(--text-muted);
  font-size: 0.76rem;
  cursor: pointer;
  transition:
    color 0.2s,
    background 0.2s,
    border-color 0.2s;
}

.tag-chip:hover {
  color: var(--text);
  border-color: rgba(188, 140, 255, 0.5);
}

.tag-chip[aria-pressed='true'] {
  color: #0a0d14;
  background: var(--accent2);
  border-color: transparent;
  font-weight: 600;
}

.tag-chip.is-overflow[hidden] {
  display: none;
}

.tag-more,
.reset-btn {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 0.28rem 0.7rem;
  cursor: pointer;
  transition:
    color 0.2s,
    border-color 0.2s;
}

.tag-more:hover,
.reset-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.browse-row-status {
  justify-content: space-between;
  gap: 0.5rem;
}

.browse-status {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.browse-status strong {
  color: var(--accent);
  font-weight: 600;
}

/* ── Groups ─────────────────────────────────────────────────── */

.entry-groups {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.entry-group-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.entry-group-head h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0;
}

.entry-group-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  border: 1px solid rgba(88, 166, 255, 0.3);
  background: rgba(88, 166, 255, 0.08);
  border-radius: 5px;
  padding: 0.15em 0.45em;
}

.entry-group-sub {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.86rem;
  font-style: italic;
  flex: 1 1 240px;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.1rem;
}

/* Compact list layout */
.view-list .entry-grid {
  grid-template-columns: 1fr;
  gap: 0.6rem;
}

.view-list .entry-media,
.view-list .entry-pitch {
  display: none;
}

.view-list .entry-card {
  flex-direction: row;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
}

.view-list .entry-card-top {
  flex: 1;
  min-width: 0;
}

/* ── Entry card ─────────────────────────────────────────────── */

.entry-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.1rem 1.15rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 15px;
  background: var(--surface-glass);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  color: var(--text);
  cursor: pointer;
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease,
    box-shadow 0.3s ease;
}

.entry-card:hover,
.entry-card:focus-visible {
  transform: translateY(-3px);
  background: var(--surface-glass-strong);
  border-color: rgba(88, 166, 255, 0.3);
  box-shadow:
    0 24px 48px -22px rgba(0, 0, 0, 0.8),
    0 0 32px -14px var(--accent-glow);
  outline: none;
}

.entry-card-top {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.entry-icon {
  flex: none;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--accent2);
  border: 1px solid rgba(188, 140, 255, 0.28);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(88, 166, 255, 0.08), rgba(188, 140, 255, 0.14));
  transition: transform 0.25s ease;
}

.entry-card:hover .entry-icon {
  transform: scale(1.07) rotate(-3deg);
}

.entry-heads {
  min-width: 0;
  flex: 1;
}

.entry-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.03rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--text);
  transition: color 0.2s;
}

.entry-card:hover .entry-title {
  color: var(--accent);
}

.entry-sub {
  margin: 0.2rem 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.entry-media {
  margin: 0.8rem 0 0.15rem;
}

.entry-pitch {
  margin: 0.7rem 0 0.6rem;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.entry-pitch a {
  color: var(--accent);
}

.entry-foot {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.view-list .entry-foot {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
  flex: none;
}

.entry-badge {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 0.2em 0.5em;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
}

.entry-badge.is-cat-lab {
  color: #79c0ff;
  border-color: rgba(121, 192, 255, 0.3);
}
.entry-badge.is-cat-game {
  color: var(--accent3);
  border-color: rgba(126, 231, 135, 0.3);
}
.entry-badge.is-cat-essay {
  color: var(--accent4);
  border-color: rgba(255, 166, 87, 0.3);
}
.entry-badge.is-media {
  color: var(--accent2);
  border-color: rgba(188, 140, 255, 0.3);
}

.entry-open {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  color: #0a0d14;
  background: linear-gradient(135deg, var(--accent), #79b8ff);
  box-shadow: 0 4px 14px -6px var(--accent-glow);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.entry-open:hover {
  transform: translateY(-1px);
  box-shadow: 0 7px 18px -6px var(--accent-glow);
}

.entry-open .arrow {
  transition: transform 0.18s ease;
}

.entry-open:hover .arrow {
  transform: translateX(3px);
}

/* Search-term highlighting */
.entry-card mark {
  background: rgba(255, 212, 121, 0.24);
  color: #ffe1a3;
  border-radius: 3px;
  padding: 0 0.12em;
}

/* Video hover behaviour, mirroring videos.css for the new class */
.entry-card:hover .featured-card-video,
.entry-card:focus-within .featured-card-video {
  opacity: 1;
  transform: scale(1.015);
}

@media (hover: hover) and (pointer: fine) {
  .entry-card:hover .featured-card-play {
    opacity: 0;
    pointer-events: none;
  }
}

/* ── Show-more per group ────────────────────────────────────── */

.group-more {
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: 0.7rem 1rem;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition:
    color 0.2s,
    border-color 0.2s,
    background 0.2s;
}

.group-more:hover {
  color: var(--accent);
  border-color: rgba(88, 166, 255, 0.45);
  background: rgba(88, 166, 255, 0.05);
}

/* ── Empty state ────────────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
}

.empty-glyph {
  font-family: var(--font-display);
  font-size: 3rem;
  opacity: 0.35;
  margin: 0 0 0.5rem;
}

.empty-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text);
  margin: 0 0 0.3rem;
}

.empty-sub {
  margin: 0 0 1.2rem;
  font-size: 0.9rem;
}

/* ── Modal extras ───────────────────────────────────────────── */

.modal-heads {
  flex: 1;
  min-width: 200px;
}

.modal-subtitle {
  margin: 0.15rem 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.modal-subtitle:empty {
  display: none;
}

.modal-meta {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  padding: 0.9rem 1.75rem 0;
}

.modal-meta:empty {
  display: none;
}

.modal-meta .entry-badge {
  font-size: 0.66rem;
}

.modal-source {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px dotted rgba(255, 255, 255, 0.25);
}

.modal-source:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.modal-body .mermaid {
  background: rgba(0, 0, 0, 0.35);
  border-radius: 10px;
  padding: 0.75rem;
  text-align: center;
}

/* ── Skeleton loading ───────────────────────────────────────── */

.skeleton-card {
  height: 190px;
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: linear-gradient(
    100deg,
    rgba(255, 255, 255, 0.03) 30%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(255, 255, 255, 0.03) 70%
  );
  background-size: 220% 100%;
  animation: skeleton-sweep 1.4s linear infinite;
}

@keyframes skeleton-sweep {
  from {
    background-position: 180% 0;
  }
  to {
    background-position: -40% 0;
  }
}

/* ── Responsive ─────────────────────────────────────────────── */

@media (max-width: 760px) {
  .browse-bar {
    top: 56px;
    padding: 0.7rem 0.75rem 0.6rem;
  }

  .browse-tools {
    margin-left: 0;
  }

  .cat-tab {
    padding: 0.42rem 0.7rem;
    font-size: 0.8rem;
  }

  .entry-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .entry-card,
  .entry-icon,
  .entry-open,
  .skeleton-card {
    transition: none;
    animation: none;
  }
}