/* ========== showcase (skill in action) ========== */

/* showcase page uses single-column layout (no TOC sidebar). */
.page.showcase-page {
  max-width: 1040px;
  display: block;
  padding: 2rem 1.25rem 4rem;
}
@media (min-width: 64em) {
  .page.showcase-page {
    display: block;
    grid-template-columns: none;
    padding: 2.5rem 2rem 5rem;
  }
}
.showcase-page .content { min-width: 0; }

/* The header "分类数" pill is only relevant on the homepage (needs .card to count).
   Uses :has() (Safari 15.4+, Chrome 105+, Firefox 121+). */
body:has(.showcase-page) [data-home-only] { display: none; }

/* featured block on index.html */
.skill-showcase {
  margin-top: 2rem;
  padding: 1.6rem 1.6rem 1.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--card-shadow);
}
.skill-showcase-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.1rem;
}
.skill-showcase h2 {
  margin: 0 0 .35rem;
  font-size: 1.3rem;
  color: var(--fg);
}
.skill-showcase-lead {
  margin: 0;
  font-size: .92rem;
  color: var(--fg-muted);
  max-width: 640px;
  line-height: 1.6;
}
.skill-showcase-more {
  align-self: center;
  font-size: .9rem;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  padding: .45rem .75rem;
  border-radius: var(--radius-sm);
  transition: background .15s var(--ease);
}
.skill-showcase-more:hover {
  background: var(--accent-soft);
  text-decoration: none;
}

/* dedicated showcase page */
.showcase-page .intro h2 { font-size: 1.5rem; }
.showcase-meta {
  font-size: .88rem;
  color: var(--fg-muted);
  margin-top: .5rem;
}
.showcase-meta a { color: var(--accent); text-decoration: none; }
.showcase-meta a:hover { text-decoration: underline; }
.showcase-meta .sep { margin: 0 .5rem; opacity: .5; }

.showcase-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .8rem;
  margin: 1.2rem 0 1rem;
}
.showcase-filter {
  display: inline-flex;
  gap: .35rem;
  padding: .25rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-alt);
}
.showcase-chip {
  padding: .35rem .85rem;
  border: none;
  border-radius: 999px;
  background: transparent;
  font-size: .82rem;
  color: var(--fg-soft);
  cursor: pointer;
  transition: all .15s var(--ease);
}
.showcase-chip:hover { color: var(--fg); }
.showcase-chip.is-active {
  background: var(--surface);
  color: var(--fg);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}
.showcase-count {
  margin: 0;
  font-size: .85rem;
  color: var(--fg-muted);
}

.showcase-list {
  display: grid;
  gap: 1.4rem;
}
.showcase-list.is-compact { gap: 1.1rem; }

.sc-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: box-shadow .2s var(--ease);
}
.sc-card[hidden] { display: none; }

.sc-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.1rem 1.2rem .9rem;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-soft);
}
.sc-card-title h3 {
  margin: 0 0 .3rem;
  font-size: 1.05rem;
  color: var(--fg);
}
.sc-card-meta {
  margin: 0;
  font-size: .8rem;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.sc-card-meta .sc-sep { opacity: .5; }
.sc-stack { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.sc-sev {
  padding: .1rem .55rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .75rem;
}
.sc-sev-high { background: rgba(220, 38, 38, 0.12); color: #b91c1c; }
.sc-sev-medium { background: rgba(245, 158, 11, 0.15); color: #b45309; }
.sc-sev-low { background: rgba(37, 99, 235, 0.12); color: var(--accent); }
html[data-theme="dark"] .sc-sev-high { background: rgba(248, 113, 113, 0.18); color: #fca5a5; }
html[data-theme="dark"] .sc-sev-medium { background: rgba(251, 191, 36, 0.18); color: #fcd34d; }
html[data-theme="dark"] .sc-sev-low { background: rgba(147, 197, 253, 0.18); color: #bfdbfe; }
.sc-hits { font-variant-numeric: tabular-nums; }

.sc-card-tags {
  display: flex;
  gap: .35rem;
  flex-wrap: wrap;
  max-width: 60%;
  justify-content: flex-start;
}
.sc-tag {
  font-size: .72rem;
  padding: .18rem .55rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}
html[data-theme="dark"] .sc-tag { background: rgba(96, 165, 250, 0.15); }

.sc-card-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0;
}
.sc-pane {
  padding: 1rem 1.2rem 1.2rem;
  min-width: 0;
}
.sc-pane-code {
  border-right: 1px solid var(--border-soft);
  background: var(--bg-alt);
}
.sc-pane-label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: .55rem;
}
.sc-lang-note {
  display: block;
  margin: -.25rem 0 .7rem;
  padding: .45rem .65rem;
  background: var(--bg-alt);
  border-left: 3px solid var(--fg-muted);
  border-radius: var(--radius-sm);
  font-size: .72rem;
  line-height: 1.5;
  color: var(--fg-muted);
}
.sc-code {
  margin: 0;
  padding: .85rem 1rem;
  background: var(--code-bg);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: .8rem;
  line-height: 1.55;
  color: var(--code-fg);
  max-height: 480px;
  overflow-y: auto;
}
.sc-code code { font: inherit; background: transparent; padding: 0; }

/* syntax tokens */
.tok-k { color: #7c3aed; font-weight: 600; }
.tok-s { color: #16a34a; }
.tok-c { color: #94a3b8; font-style: italic; }
.tok-n { color: #0891b2; }
html[data-theme="dark"] .tok-k { color: #c4b5fd; }
html[data-theme="dark"] .tok-s { color: #86efac; }
html[data-theme="dark"] .tok-c { color: #64748b; }
html[data-theme="dark"] .tok-n { color: #67e8f9; }

/* rendered markdown in review pane */
.sc-review {
  font-size: .88rem;
  line-height: 1.65;
  color: var(--fg-soft);
  max-height: 480px;
  overflow-y: auto;
  padding-right: .25rem;
}
.sc-review .md-h2 {
  margin: 0 0 .8rem;
  font-size: 1rem;
  color: var(--fg);
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--border-soft);
}
.sc-review .md-h3 {
  margin: 1.1rem 0 .4rem;
  font-size: .92rem;
  color: var(--fg);
  display: inline-block;
  padding: .15rem .6rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
}
.sc-review .md-list {
  margin: .3rem 0 .8rem;
  padding-left: 1.1rem;
}
.sc-review .md-list li {
  margin: .25rem 0;
  padding-left: .15rem;
}
.sc-review .md-list li[data-indent="2"],
.sc-review .md-list li[data-indent="4"] {
  margin-left: 1rem;
  list-style: '— ';
  color: var(--fg-muted);
  font-size: .85rem;
}
.sc-review strong {
  color: var(--fg);
  font-weight: 600;
}
.sc-review code {
  font: 0.85em ui-monospace, SFMono-Regular, Menlo, monospace;
  padding: .08em .4em;
  background: var(--code-bg);
  color: var(--code-fg);
  border-radius: 4px;
}
.sc-review .md-pre {
  margin: .5rem 0;
  padding: .7rem .9rem;
  background: var(--code-bg);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: .78rem;
  line-height: 1.55;
}
.sc-review .md-pre code { background: transparent; padding: 0; font-size: inherit; }
.sc-review .md-p { margin: .35rem 0; }

.sc-error {
  padding: 1rem;
  color: #b91c1c;
  background: rgba(220, 38, 38, 0.08);
  border-radius: var(--radius-sm);
}

.showcase-empty {
  text-align: center;
  color: var(--fg-muted);
  padding: 2rem 0;
}

/* narrow viewports — stack code above review */
@media (max-width: 820px) {
  .sc-card-body { grid-template-columns: 1fr; }
  .sc-pane-code { border-right: none; border-bottom: 1px solid var(--border-soft); }
  .sc-card-tags { max-width: 100%; justify-content: flex-start; }
  .skill-showcase-head { flex-direction: column; align-items: stretch; }
  .skill-showcase-more { align-self: flex-start; }
}