:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --accent: #0a66c2;
  --border: #e5e7eb;
  --card-bg: #fafafa;
  --tag-bg: #eef2f7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #e6e6e6;
    --muted: #9aa0a6;
    --accent: #6ea8ff;
    --border: #23262d;
    --card-bg: #161922;
    --tag-bg: #1f2330;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header, main, footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
header { padding-top: 3rem; padding-bottom: 1rem; }
.hero {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.hero-text { flex: 1; min-width: 0; }
.avatar-link { flex-shrink: 0; display: block; }
.avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: block;
}
.avatar-link:hover .avatar {
  border-color: var(--accent);
}

header h1 {
  font-size: 2rem;
  margin: 0 0 .5rem;
  letter-spacing: -0.01em;
}
header .lede { color: var(--muted); margin: 0 0 .35rem; }
header .profiles {
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-size: .85rem;
}
header .profiles a {
  margin: 0 .15rem;
}

.controls {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: .5rem 0 .75rem;
}
#search {
  flex: 1;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 6px;
  padding: .55rem .75rem;
  font: inherit;
  font-size: .95rem;
}
#search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}
.result-count {
  color: var(--muted);
  font-size: .85rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.sort {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.sort-btn {
  font: inherit;
  font-size: .82rem;
  background: var(--card-bg);
  color: var(--fg);
  border: none;
  padding: .45rem .75rem;
  cursor: pointer;
  border-right: 1px solid var(--border);
}
.sort-btn:last-child { border-right: none; }
.sort-btn:hover { background: color-mix(in srgb, var(--accent) 15%, var(--card-bg)); }
.sort-btn.active { background: var(--accent); color: #fff; }

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .4rem;
  padding: .5rem 0;
}
.filter-row-sub { padding-bottom: 1rem; border-bottom: 1px solid var(--border); margin-bottom: 1rem; }

.chip {
  font: inherit;
  font-size: .8rem;
  background: var(--tag-bg);
  color: var(--fg);
  border: 1px solid transparent;
  padding: .2rem .65rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.chip:hover { background: color-mix(in srgb, var(--accent) 20%, var(--tag-bg)); }
.chip.active {
  background: var(--accent);
  color: #fff;
}
.chip.active .count { color: rgba(255,255,255,.85); }
.chip .count { color: var(--muted); margin-left: .25rem; font-variant-numeric: tabular-nums; }
.chip-lang { font-size: .75rem; opacity: .85; }

mark {
  background: color-mix(in srgb, var(--accent) 30%, transparent);
  color: inherit;
  border-radius: 2px;
  padding: 0 .1rem;
}

.stats {
  max-width: 1100px;
  margin: 1rem auto 2rem;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 720px) {
  .stats { grid-template-columns: 1fr; }
}
.stats figure {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  background: var(--card-bg);
}
.stats figcaption {
  font-size: .9rem;
  font-weight: 600;
  margin-bottom: .75rem;
  color: var(--muted);
}
.pie-wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
}
.pie {
  width: 160px;
  height: 160px;
}
.pie .slice {
  cursor: pointer;
  transition: opacity .15s, transform .15s;
  transform-origin: 100px 100px;
}
.pie .slice:hover {
  transform: scale(1.03);
}
.pie .slice.dim {
  opacity: .25;
}
.legend {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 160px;
  overflow-y: auto;
  font-size: .8rem;
}
.legend li {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .1rem 0;
  cursor: pointer;
}
.legend li:hover .legend-name { color: var(--accent); }
.legend li.dim { opacity: .4; }
.legend .swatch {
  display: inline-block;
  width: .65rem;
  height: .65rem;
  border-radius: 2px;
  flex-shrink: 0;
}
.legend .legend-name { flex: 1; }
.legend .legend-count {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

main section { margin: 2rem 0 2.5rem; scroll-margin-top: 1rem; }
main h2 {
  font-size: 1.25rem;
  margin: 0 0 1rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--border);
}
main h2 .count {
  font-size: .85rem;
  color: var(--muted);
  font-weight: normal;
  margin-left: .5rem;
  font-variant-numeric: tabular-nums;
}

ul.cards {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: .75rem;
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}
.card .cats {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
  margin-top: .05rem;
}
.cat-chip {
  font: inherit;
  font-size: .7rem;
  line-height: 1;
  padding: .2rem .5rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--cat-color, var(--muted)) 50%, transparent);
  background: color-mix(in srgb, var(--cat-color, var(--muted)) 15%, transparent);
  color: var(--fg);
  cursor: pointer;
  transition: background .12s, color .12s;
}
.cat-chip:hover {
  background: var(--cat-color, var(--accent));
  color: #fff;
}
.card h3 a { color: var(--fg); }
.card h3 a:hover { color: var(--accent); }
.card .meta {
  display: flex;
  gap: .4rem;
  font-size: .75rem;
  color: var(--muted);
}
.card .meta .lang {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}
.lang-dot {
  display: inline-block;
  width: .65rem;
  height: .65rem;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(0,0,0,.08);
}
.card .meta .stars { font-variant-numeric: tabular-nums; }
.card .meta .created { font-variant-numeric: tabular-nums; margin-left: auto; }
.card .meta .updated { font-variant-numeric: tabular-nums; opacity: .7; }
.card p {
  margin: .15rem 0 0;
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.45;
}

footer {
  padding: 2rem 1.25rem 3rem;
  color: var(--muted);
  font-size: .85rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

.loading { color: var(--muted); }