/* site/assets/app.css
 * Folium mod market. Light and dark follow the system; no external fonts or
 * inline styles (the CSP in vercel.json allows neither).
 */

:root {
  --bg: #f6f7f4;
  --surface: #ffffff;
  --surface-2: #f0f2ed;
  --text: #1b1f1a;
  --muted: #5e665b;
  --faint: #8a9286;
  --border: #e1e5dc;
  --accent: #2f7d4f;
  --accent-strong: #256641;
  --accent-soft: #e2f1e7;
  --accent-contrast: #ffffff;
  --community: #3a64c8;
  --community-soft: #e5ecfb;
  --warn: #9a5b00;
  --warn-soft: #fbf0dc;
  --shadow: 0 1px 2px rgb(20 30 20 / 6%), 0 8px 24px -12px rgb(20 30 20 / 18%);
  --radius: 16px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1210;
    --surface: #161b17;
    --surface-2: #1d231e;
    --text: #e7ebe5;
    --muted: #a3ad9f;
    --faint: #737d70;
    --border: #283028;
    --accent: #5cc285;
    --accent-strong: #7fd6a1;
    --accent-soft: #1b3325;
    --accent-contrast: #0b1a10;
    --community: #8aa9f5;
    --community-soft: #1c2742;
    --warn: #f0b35a;
    --warn-soft: #36280f;
    --shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 12px 32px -16px rgb(0 0 0 / 60%);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

code { font-family: var(--mono); font-size: 0.85em; }

svg { width: 1em; height: 1em; fill: currentColor; flex: none; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

[hidden] { display: none !important; }

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 48px;
}

/* ---- hero */

.hero { padding: 20px 0 28px; }

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  font-size: 17px;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.hero-links { display: flex; align-items: center; gap: 4px; }

.hero-links a,
.lang {
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  text-decoration: none;
  background: none;
  border: 0;
  cursor: pointer;
}

.hero-links a:hover,
.lang:hover { color: var(--text); background: var(--surface-2); }

.lang { border: 1px solid var(--border); margin-left: 6px; font-size: 12px; font-weight: 600; letter-spacing: 0.04em; }

h1 {
  margin: 0 0 10px;
  font-size: clamp(32px, 5vw, 46px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.tagline { margin: 0 0 24px; max-width: 640px; color: var(--muted); font-size: 16px; }

.steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: 13.5px;
  color: var(--muted);
}

.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 12px;
}

/* ---- toolbar */

.toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 -24px 20px;
  padding: 12px 24px;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.search {
  position: relative;
  flex: 1 1 280px;
  display: flex;
  align-items: center;
}

.search svg { position: absolute; left: 14px; color: var(--faint); }

.search input {
  width: 100%;
  height: 42px;
  padding: 0 14px 0 40px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.search input::placeholder { color: var(--faint); }

.search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.filters {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  border: 0;
  border-radius: 9px;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.filter .n { font-size: 12px; color: var(--faint); font-variant-numeric: tabular-nums; }

.filter.is-active { background: var(--surface-2); color: var(--text); font-weight: 600; }

/* ---- cards */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: box-shadow 160ms ease, border-color 160ms ease;
}

.card:hover { box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--border) 60%, var(--accent)); }

/* The introduction image: flush with the card's top edge, cropped to 16:9. */
.preview {
  display: block;
  margin: -20px -20px 2px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.preview img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.card:hover .preview img { transform: scale(1.02); }

.card-head { display: flex; align-items: flex-start; gap: 12px; }

.monogram {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 12px;
  font-weight: 700;
  font-size: 19px;
  color: #fff;
}

.hue-0 { background: hsl(150 42% 38%); }
.hue-1 { background: hsl(175 45% 34%); }
.hue-2 { background: hsl(200 55% 40%); }
.hue-3 { background: hsl(222 50% 50%); }
.hue-4 { background: hsl(250 42% 52%); }
.hue-5 { background: hsl(278 38% 48%); }
.hue-6 { background: hsl(318 40% 46%); }
.hue-7 { background: hsl(348 52% 50%); }
.hue-8 { background: hsl(15 58% 48%); }
.hue-9 { background: hsl(35 70% 42%); }
.hue-10 { background: hsl(80 40% 36%); }
.hue-11 { background: hsl(120 30% 36%); }

.card-title { flex: 1; min-width: 0; }

.card-title h2 { margin: 0; font-size: 17px; line-height: 1.35; font-weight: 650; overflow-wrap: anywhere; }

.meta { margin: 2px 0 0; color: var(--faint); font-size: 13px; overflow-wrap: anywhere; }

.meta code { color: var(--muted); }

.badge {
  flex: none;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-official { background: var(--accent-soft); color: var(--accent-strong); }

.badge-community { background: var(--community-soft); color: var(--community); }

.description {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: anywhere;
}

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }

.chip {
  padding: 2px 9px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-2);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.7;
  cursor: default;
  overflow-wrap: anywhere;
}

.chip-node { background: var(--warn-soft); border-color: transparent; color: var(--warn); font-family: var(--font); font-weight: 600; }

.chip-none { font-family: var(--font); }

.details { font-size: 13px; color: var(--muted); }

.details summary { cursor: pointer; color: var(--faint); width: max-content; }

.details summary:hover { color: var(--text); }

.details dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 14px;
  margin: 10px 0 0;
  padding: 12px;
  border-radius: 10px;
  background: var(--surface-2);
}

.details dt { color: var(--faint); }

.details dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

.hash { font-size: 11px; word-break: break-all; }

.copy {
  margin-left: 6px;
  padding: 0 7px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.copy:hover { color: var(--text); }

.card-foot {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 4px;
}

.signed { display: inline-flex; align-items: center; gap: 5px; color: var(--accent); font-size: 13px; font-weight: 600; }

.signed svg { width: 15px; height: 15px; }

.source { color: var(--muted); font-size: 13px; }

.source:hover { color: var(--text); }

.download {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
  height: 38px;
  padding: 0 16px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: background 120ms ease;
}

.download:hover { background: var(--accent-strong); }

.download .size { font-weight: 500; opacity: 0.8; font-size: 12.5px; font-variant-numeric: tabular-nums; }

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

/* ---- footer */

.site-foot {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--faint);
  font-size: 13px;
}

.site-foot p { margin: 0 0 6px; max-width: 760px; }

.site-foot a { color: var(--muted); }

@media (max-width: 640px) {
  .page { padding: 0 16px 40px; }
  .toolbar { margin: 0 -16px 16px; padding: 10px 16px; }
  .hero-top { margin-bottom: 28px; }
  .grid { grid-template-columns: 1fr; }
  .filters { width: 100%; }
  .filter { flex: 1; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}