:root {
  --bg: #ffffff;
  --fg: #1a1d21;
  --muted: #5c6470;
  --border: #e3e6ea;
  --card-bg: #f7f8fa;
  --accent: #2f6fce;
  --accent-bg: rgba(47, 111, 206, 0.1);
  --amber-bg: rgba(255, 176, 32, 0.14);
  --amber-border: rgba(255, 176, 32, 0.4);
  --purple: #7b3fe4;
  --purple-bg: rgba(123, 63, 228, 0.12);
  --red: #d33;
  --red-bg: rgba(221, 51, 51, 0.1);
  --green: #2e7d32;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e7e9ec;
    --muted: #9aa4b2;
    --border: #2a2e35;
    --card-bg: #1c1f24;
    --accent: #6ea3ea;
    --accent-bg: rgba(110, 163, 234, 0.14);
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}
a { color: var(--accent); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

header.site-header {
  border-bottom: 1px solid var(--border);
  padding: 28px 0 20px;
  margin-bottom: 24px;
}
header.site-header h1 { margin: 0 0 6px; font-size: 1.7em; }
.tagline { margin: 0 0 12px; color: var(--muted); max-width: 640px; }
.stats { font-size: 0.9em; color: var(--muted); margin: 0 0 12px; }
nav.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; font-size: 0.9em; }
.photo-toggle { display: inline-flex; align-items: center; gap: 5px; color: var(--muted); cursor: pointer; }
.photo-toggle input { margin: 0; }

main section { margin-bottom: 40px; }
main h2 { font-size: 1.2em; margin: 0 0 4px; }
.hint { color: var(--muted); font-size: 0.88em; margin: 4px 0 10px; }

.discoveries { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.discoveries-label { font-size: 0.78em; font-weight: 600; color: var(--muted); margin-bottom: 4px; }
.discoveries-lead { margin: 0 0 6px; font-size: 0.9em; }
.discoveries ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 3px; font-size: 0.9em; }

.chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.chip {
  border: 1px solid var(--border); background: var(--card-bg); color: var(--fg);
  border-radius: 999px; padding: 5px 12px; font-size: 0.82em; cursor: pointer;
}
.chip:hover { border-color: var(--accent); }

.search-example-group { margin-bottom: 8px; }
.search-example-category {
  font-size: 0.72em; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--muted); margin-bottom: 4px;
}

.advanced-filters { margin: 10px 0; }
.advanced-filters summary {
  cursor: pointer; font-size: 0.85em; color: var(--muted); font-weight: 600; margin-bottom: 6px;
}
.advanced-filters .filter-form { margin-top: 8px; }

.filter-form, .compare-form { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.filter-form select, .compare-form select {
  flex: 1 1 150px; min-width: 120px; padding: 7px 8px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--bg); color: var(--fg); font-size: 0.9em;
}
.compare-form label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85em; color: var(--muted); flex: 1 1 160px; }

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.88em; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 0.85em; }
tr.result-row { cursor: pointer; }
tr.result-row:hover { background: var(--card-bg); }
tr.detail-row td { background: var(--card-bg); padding-top: 10px; padding-bottom: 12px; }

.badge { display: inline-block; font-size: 0.78em; padding: 2px 9px; border-radius: 10px; }
.badge-strong-evidence { background: rgba(46, 125, 50, 0.14); color: var(--green); }
.badge-well-confirmed { background: rgba(76, 154, 255, 0.16); color: var(--accent); }
.badge-repeated-observation { background: var(--accent-bg); color: var(--accent); }
.badge-single-observation { background: rgba(154, 164, 178, 0.16); color: var(--muted); }
.badge-conflicting-evidence { background: var(--red-bg); color: var(--red); }

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

.device-list { display: flex; flex-direction: column; gap: 10px; }
.device-card {
  border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; background: var(--card-bg);
}
.device-card-header { font-weight: 600; margin-bottom: 8px; }

.device-card-top { display: flex; gap: 12px; align-items: flex-start; }
.device-card-main { flex: 1 1 auto; min-width: 0; }
.device-photo, .device-photo-fallback {
  width: 56px; height: 56px; border-radius: 8px; flex: 0 0 auto;
  background: var(--bg); border: 1px solid var(--border); object-fit: contain;
}
.device-photo-fallback { position: relative; background: var(--card-bg); }
.device-photo-fallback::after {
  content: "";
  position: absolute; inset: 15px;
  background-color: var(--muted);
  opacity: 0.45;
  mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><rect x='3' y='3' width='18' height='18' rx='3' fill='none' stroke='black' stroke-width='2'/><circle cx='12' cy='12' r='3' fill='black'/></svg>");
  -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><rect x='3' y='3' width='18' height='18' rx='3' fill='none' stroke='black' stroke-width='2'/><circle cx='12' cy='12' r='3' fill='black'/></svg>");
  mask-size: contain; -webkit-mask-size: contain;
  mask-repeat: no-repeat; -webkit-mask-repeat: no-repeat;
  mask-position: center; -webkit-mask-position: center;
}

.trust-panel { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.trust-stars { font-size: 1.1em; color: var(--accent); white-space: nowrap; }
.trust-conflict { font-size: 0.85em; color: var(--red); }
.trust-text { display: flex; flex-direction: column; gap: 1px; }
.trust-label { font-size: 0.82em; font-weight: 600; }
.trust-detail { font-size: 0.78em; }

.techtoggle {
  font-size: 0.85em; color: var(--accent); cursor: pointer; font-weight: 600; margin-top: 4px;
}
.techtoggle:hover { text-decoration: underline; }
.tech-panel {
  margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border);
}

.empty-search {
  padding: 14px; border-radius: 10px; background: var(--card-bg); border: 1px solid var(--border);
}
.empty-search p { margin: 0 0 6px; }
.btn {
  display: inline-block; margin-top: 4px; padding: 6px 14px; border-radius: 6px;
  background: var(--accent); color: #fff; text-decoration: none; font-size: 0.85em; font-weight: 600;
}
.btn:hover { opacity: 0.9; }

.cap-groups { display: flex; flex-direction: column; gap: 8px; }
.cap-group-label { font-size: 0.85em; font-weight: 600; }
.cap-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 3px; }
.cap-reportsonly { font-size: 0.85em; margin-top: 2px; }
.cap-group-unidentified .cap-group-label { font-weight: 500; font-style: italic; }
.tag { display: inline-block; font-size: 0.78em; padding: 3px 9px; border-radius: 10px; background: var(--accent-bg); color: var(--accent); }
.tag-fwdep { background: var(--purple-bg); color: var(--purple); }
.cap-goodfor { margin-bottom: 8px; }

/* External references (PRD: "External Device References") — Blakadder /
   manufacturer links. Deliberately smaller and quieter than trust-panel
   and cap-goodfor above: these are supplementary context about a device,
   not community-observed capability evidence, and the styling should make
   that secondary status obvious at a glance, not just in the copy. */
.device-external-refs { font-size: 0.78em; margin-bottom: 8px; }
.device-external-refs a { color: var(--accent); text-decoration: none; }
.device-external-refs a:hover { text-decoration: underline; }

/* Review queue page (docs/review.html) — reuses .device-card/.device-list/
   .btn/.hint/.muted from above; these are just the review-specific bits. */
.review-toolbar { margin-bottom: 12px; }
.review-card .review-reason { margin-top: -2px; }
.review-links-list { font-size: 0.88em; margin: 6px 0; }
.review-link-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.btn-secondary {
  display: inline-block; padding: 6px 14px; border-radius: 6px; font-size: 0.85em; font-weight: 600;
  background: var(--bg); color: var(--accent); border: 1px solid var(--border); text-decoration: none;
}
.btn-secondary:hover { border-color: var(--accent); }
.btn-copy {
  display: inline-block; padding: 6px 14px; border-radius: 6px; font-size: 0.85em; font-weight: 600;
  background: var(--accent-bg); color: var(--accent); border: 1px solid transparent; cursor: pointer;
  font-family: inherit;
}
.btn-copy:hover { border-color: var(--accent); }
.btn-copy:disabled { opacity: 0.6; cursor: default; }
.btn-small { padding: 3px 10px; font-size: 0.8em; }
.review-copy-row { margin-top: 10px; }
.review-copy-row .hint { margin: 4px 0 0; }
.review-candidates { display: flex; flex-direction: column; gap: 6px; margin: 8px 0; }
.review-candidate-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 6px 8px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px; font-size: 0.88em;
}
.review-candidate-meta { font-size: 0.92em; }

.diff-row { padding: 8px 10px; border-radius: 8px; background: var(--card-bg); border: 1px solid var(--border); margin-bottom: 6px; }
.diff-added { color: var(--green); }
.diff-removed { color: var(--red); }

.unknowns-subhead { font-size: 0.95em; margin: 16px 0 6px; }
#unknowns-section .table-scroll { margin-bottom: 4px; }

footer.site-footer {
  border-top: 1px solid var(--border); margin-top: 40px; padding: 20px 0 40px;
  color: var(--muted); font-size: 0.85em;
}
footer.site-footer p { margin: 4px 0; }