:root {
  --bg: #fbfbfd;
  --surface: #ffffff;
  --ink: #14161a;
  --muted: #5c6470;
  --line: #e4e7ec;
  --accent: #3b5bdb;
  --accent-soft: #eef2ff;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 22, 26, .04), 0 4px 16px rgba(20, 22, 26, .05);
  --maxw: 1180px;

  /* SPRS facet colors */
  --sprs-security: #b42318;
  --sprs-privacy: #6941c6;
  --sprs-reliability: #1570cd;
  --sprs-safety: #027a48;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .88em; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  background: linear-gradient(180deg, #ffffff, #f5f6fb);
  border-bottom: 1px solid var(--line);
  padding: 40px 0 32px;
}
.site-header h1 { margin: 0 0 8px; font-size: 2rem; letter-spacing: -.02em; }
.tagline { margin: 0 0 10px; max-width: 760px; color: var(--muted); font-size: 1.05rem; }
.tagline strong { color: var(--ink); }
.repo-link { margin: 0; font-size: .9rem; color: var(--muted); }

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 268px 1fr;
  gap: 32px;
  padding-top: 28px;
  padding-bottom: 64px;
  align-items: start;
}

/* Filters */
.filters { position: sticky; top: 20px; }
.search-box input {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: .95rem;
}
.search-box input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

.facet { margin-top: 22px; }
.facet h3 {
  margin: 0 0 10px;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
}
.facet ul { list-style: none; margin: 0; padding: 0; }
.facet li { margin: 0; }
.facet label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 6px;
  border-radius: 7px;
  cursor: pointer;
  font-size: .9rem;
}
.facet label:hover { background: var(--accent-soft); }
.facet input { accent-color: var(--accent); margin: 0; }
.facet .fl { flex: 1; }
.facet .fc { color: var(--muted); font-variant-numeric: tabular-nums; font-size: .8rem; }
.facet label.empty-opt { opacity: .42; }

.clear-btn {
  margin-top: 22px;
  width: 100%;
  padding: 9px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: .88rem;
  color: var(--ink);
}
.clear-btn:hover { background: #fff5f5; border-color: #fda29b; color: var(--sprs-security); }

/* Results */
.results-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.count { font-size: .92rem; color: var(--muted); }
.count strong { color: var(--ink); }
.sort { font-size: .85rem; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.sort select {
  font: inherit; font-size: .85rem; padding: 5px 8px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--surface);
}

.card-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.card-head { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.card-title { margin: 0; font-size: 1.06rem; line-height: 1.35; letter-spacing: -.01em; }
.card-type {
  flex: none; font-size: .68rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); border: 1px solid var(--line); border-radius: 20px;
  padding: 2px 9px; white-space: nowrap;
}
.card-meta { margin: 5px 0 0; font-size: .84rem; color: var(--muted); }
.card-summary { margin: 11px 0 13px; font-size: .93rem; color: #353a42; }
.card-foot { display: flex; flex-wrap: wrap; gap: 6px 7px; align-items: center; }

.chip {
  font-size: .74rem; padding: 2px 9px; border-radius: 20px;
  border: 1px solid var(--line); color: var(--muted); background: #fafafb;
  white-space: nowrap;
}
.chip.sprs { border: 0; color: #fff; font-weight: 500; }
.chip.sprs.security { background: var(--sprs-security); }
.chip.sprs.privacy { background: var(--sprs-privacy); }
.chip.sprs.reliability { background: var(--sprs-reliability); }
.chip.sprs.safety { background: var(--sprs-safety); }
.chip.layer { background: var(--accent-soft); color: var(--accent); border-color: #dbe3ff; }
.card-links { margin-left: auto; display: flex; gap: 12px; font-size: .85rem; }

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

mark { background: #fff3bf; color: inherit; padding: 0 1px; border-radius: 2px; }

.site-footer { border-top: 1px solid var(--line); padding: 22px 0 40px; }
.site-footer p { margin: 0; font-size: .82rem; color: var(--muted); max-width: 760px; }

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .filters { position: static; }
  .facet ul { display: flex; flex-wrap: wrap; gap: 4px; }
  .facet label { border: 1px solid var(--line); }
}