/* Claude Skill Hub — single stylesheet, no build step, no external fonts. */

:root {
  --bg: #fbfaf9;
  --bg-soft: #f4f2ef;
  --panel: #ffffff;
  --ink: #1b1917;
  --ink-2: #57534e;
  --ink-3: #8b857f;
  --line: #e5e1dc;
  --line-2: #d6d1ca;
  --accent: #c2410c;
  --accent-soft: #fff1e9;
  --code-bg: #f4f2ef;
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12110f;
    --bg-soft: #1a1815;
    --panel: #1c1a17;
    --ink: #f2efe9;
    --ink-2: #b3aca2;
    --ink-3: #857e74;
    --line: #2b2825;
    --line-2: #3a3632;
    --accent: #f97b4f;
    --accent-soft: #2a1a12;
    --code-bg: #161412;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre { font-family: var(--mono); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------------------------------------------------------------- hero */

.hero {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(1000px 340px at 15% -10%, var(--accent-soft), transparent 70%),
    var(--bg-soft);
  padding: 72px 0 56px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.lede {
  margin: 0;
  max-width: 62ch;
  font-size: 1.06rem;
  color: var(--ink-2);
}

.stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin: 26px 0 0;
  font-size: 0.9rem;
  color: var(--ink-3);
}
.stats b { color: var(--ink); font-size: 1.05rem; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 0.92rem;
  font-weight: 550;
  border: 1px solid var(--ink);
}
.btn:hover { text-decoration: none; opacity: 0.88; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }

/* -------------------------------------------------------------- how to */

.howto { padding: 56px 0 8px; }
.howto h2, .trigger h2, .prose h2, .related h2 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.cols h4 { margin: 0 0 6px; font-size: 0.95rem; }
.cols p { margin: 0 0 12px; color: var(--ink-2); font-size: 0.94rem; }

pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.6;
  margin: 0;
}
pre code { background: none; padding: 0; border: 0; font-size: inherit; }

.note {
  font-size: 0.88rem;
  color: var(--ink-3);
  margin: 22px 0 0;
}
.note code { font-size: 0.85em; }

:not(pre) > code {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 0.86em;
}

/* ------------------------------------------------------------- toolbar */

main { padding: 56px 0 72px; }

.toolbar { margin-bottom: 28px; }

#q {
  width: 100%;
  padding: 13px 16px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: 10px;
}
#q:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
#q::placeholder { color: var(--ink-3); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.chip {
  font: inherit;
  font-size: 0.85rem;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
}
.chip span { color: var(--ink-3); font-size: 0.8em; margin-left: 3px; }
.chip:hover { border-color: var(--ink-3); }
.chip.active { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.chip.active span { color: var(--bg); opacity: 0.6; }

/* --------------------------------------------------------------- cards */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 16px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.card[hidden] { display: none; }

/* Icon tiles — one glyph per skill, tinted by category. */

.tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--tint-bg);
  color: var(--tint-fg);
  border: 1px solid var(--tint-line);
}
.tile.sm { width: 30px; height: 30px; border-radius: 9px; }
.tile.lg { width: 60px; height: 60px; border-radius: 16px; }
.tile .icon { display: block; }

.c-design    { --tint-fg: #7c3aed; --tint-bg: #f3eeff; --tint-line: #e4d9ff; }
.c-content   { --tint-fg: #b45309; --tint-bg: #fdf2e2; --tint-line: #f6e2c2; }
.c-docs      { --tint-fg: #1d4ed8; --tint-bg: #e9efff; --tint-line: #d5e0ff; }
.c-pipeline  { --tint-fg: #0f766e; --tint-bg: #e3f5f2; --tint-line: #c9e9e3; }
.c-media     { --tint-fg: #be123c; --tint-bg: #fdeaef; --tint-line: #f8d5de; }
.c-dev       { --tint-fg: #4338ca; --tint-bg: #ecebfe; --tint-line: #dbd8fb; }
.c-research  { --tint-fg: #15803d; --tint-bg: #e8f5ec; --tint-line: #d0ead9; }

@media (prefers-color-scheme: dark) {
  .c-design   { --tint-fg: #c4a8ff; --tint-bg: #241c38; --tint-line: #372a52; }
  .c-content  { --tint-fg: #f0b366; --tint-bg: #322313; --tint-line: #4a3520; }
  .c-docs     { --tint-fg: #9ab4ff; --tint-bg: #1a2140; --tint-line: #2a3560; }
  .c-pipeline { --tint-fg: #6fd3c4; --tint-bg: #132b29; --tint-line: #1e423e; }
  .c-media    { --tint-fg: #f5899f; --tint-bg: #33161f; --tint-line: #4c2230; }
  .c-dev      { --tint-fg: #a9a2ff; --tint-bg: #1e1d3a; --tint-line: #2f2c56; }
  .c-research { --tint-fg: #7cc894; --tint-bg: #16291d; --tint-line: #223e2c; }
}

.card-link { display: block; padding: 20px 20px 14px; color: inherit; flex: 1; }
.card-link:hover { text-decoration: none; }
.card-top { display: flex; align-items: flex-start; gap: 13px; }
.card-top > div { min-width: 0; }
.card-link h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.card-link p {
  margin: 10px 0 0;
  font-size: 0.89rem;
  color: var(--ink-2);
  line-height: 1.55;
}

.slug {
  font-size: 0.76rem;
  color: var(--ink-3);
  background: none !important;
  border: 0 !important;
  padding: 0 !important;
}
.slug.big { font-size: 0.9rem; }

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 20px 16px;
  border-top: 1px solid var(--line);
}

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: 5px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--ink-3);
}
.badge {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 5px;
  letter-spacing: 0.02em;
}
.badge.anthropic { background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent); }
.badge.ko { background: var(--bg-soft); color: var(--ink-3); border: 1px solid var(--line-2); }

.copy {
  font: inherit;
  font-size: 0.78rem;
  white-space: nowrap;
  padding: 5px 11px;
  border-radius: 7px;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
}
.copy:hover { border-color: var(--ink-3); color: var(--ink); }
.copy.done { background: var(--accent); border-color: var(--accent); color: #fff; }

.empty { text-align: center; color: var(--ink-3); padding: 48px 0; }

/* -------------------------------------------------------------- detail */

.crumb { padding-top: 28px; font-size: 0.88rem; }

.detail-head { padding: 26px 0 30px; border-bottom: 1px solid var(--line); }
.head-row { display: flex; align-items: flex-start; gap: 18px; }
.head-row > div { min-width: 0; }
.detail-head .cat {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
  margin-bottom: 10px;
}
.detail-head h1 {
  margin: 0 0 6px;
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  letter-spacing: -0.025em;
  line-height: 1.1;
}
.detail-head .lede { margin: 16px 0 16px; font-size: 1rem; }

section.wrap { padding-top: 34px; }

.install { margin-bottom: 22px; }
.install-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0 8px;
  font-size: 0.78rem;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.facts div { background: var(--panel); padding: 14px 16px; }
.facts span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  margin-bottom: 4px;
}
.facts b { font-size: 0.92rem; font-weight: 550; }
.facts code { font-size: 0.75rem; }

.trigger p {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  margin: 0;
  font-size: 0.93rem;
  color: var(--ink-2);
}

.prose { padding-top: 38px; }
.prose h2 { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.prose h3 { font-size: 1.1rem; margin: 30px 0 8px; letter-spacing: -0.015em; }
.prose h4 { font-size: 0.98rem; margin: 22px 0 6px; }
.prose h5, .prose h6 { font-size: 0.9rem; margin: 18px 0 6px; }
.prose p, .prose li { color: var(--ink-2); font-size: 0.95rem; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 4px 0; }
.prose pre { margin: 14px 0; }
.prose blockquote {
  margin: 14px 0;
  padding-left: 16px;
  border-left: 3px solid var(--line-2);
  color: var(--ink-3);
}
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }

.related { padding-top: 44px; }
.rels { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.rel {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: inherit;
}
.rel:hover { text-decoration: none; border-color: var(--line-2); }
.rel .tile { margin-bottom: 10px; }
.rel b { display: block; font-size: 0.92rem; margin-bottom: 4px; }
.rel .rel-sum { display: block; font-size: 0.82rem; color: var(--ink-3); }

footer {
  margin-top: 64px;
  padding: 28px 24px 56px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-3);
}
footer p { margin: 0 0 8px; }
footer .badge { display: inline-block; }

@media (max-width: 720px) {
  .hero { padding: 48px 0 40px; }
  .cols { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .card-foot { flex-direction: column; align-items: flex-start; }
}