:root {
  --ink: #14201a;
  --muted: #5c6b61;
  --bg: #f4f1ea;
  --bg-2: #ebe6dc;
  --card: #fffefb;
  --line: #d5dbd3;
  --pass: #0d6b3f;
  --pass-bg: #d9f2e4;
  --partial: #8a5a00;
  --partial-bg: #ffe9b8;
  --fail: #9a1f1f;
  --fail-bg: #fde2e2;
  --accent: #0b5c4a;
  --accent-2: #c4a574;
  --header: #0f1a15;
  --max: 1080px;
  --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(20, 32, 26, 0.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef3ef;
    --muted: #a7b4ac;
    --bg: #101612;
    --bg-2: #16201b;
    --card: #18231d;
    --line: #2c3a32;
    --pass: #6ddea8;
    --pass-bg: #163528;
    --partial: #f0c56a;
    --partial-bg: #3a2e12;
    --fail: #f0a0a0;
    --fail-bg: #3a1818;
    --accent: #5ec4a8;
    --accent-2: #d2b48c;
    --header: #060a08;
    --shadow: 0 8px 24px rgba(0,0,0,0.35);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.15rem; }
.muted { color: var(--muted); font-size: 0.9em; }

.site-header-sticky {
  position: sticky; top: 0; z-index: 40;
  background: var(--header);
  color: #f4f1ea;
  padding: 0.85rem 0;
  border-bottom: 3px solid var(--accent-2);
  backdrop-filter: blur(8px);
}
.site-header a { color: #f4f1ea; text-decoration: none; }
.brand { font-family: var(--serif); font-size: 1.2rem; font-weight: 700; }
.brand span { color: var(--accent-2); font-weight: 500; font-size: 0.92em; }
.nav { display: flex; flex-wrap: wrap; gap: 0.55rem 0.95rem; margin-top: 0.55rem; font-size: 0.86rem; }
.nav a { opacity: 0.9; }
.nav a:hover, .nav a.active { opacity: 1; text-decoration: underline; }

.hero { padding: 2.2rem 0 1.5rem; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.hero-home { padding-bottom: 2rem; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.9fr; gap: 1.5rem; align-items: center; }
.hero-art { background: var(--card); border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px); overflow: hidden; box-shadow: var(--shadow); }
.hero-art img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.hero h1 { font-family: var(--serif); font-size: clamp(1.7rem, 4vw, 2.45rem); line-height: 1.15; margin: 0 0 0.75rem; }
.lede { font-size: 1.05rem; color: var(--muted); max-width: 42rem; }
.badge-row { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1rem; }
.breadcrumb { font-size: 0.88rem; color: var(--muted); margin-bottom: 0.6rem; }
.breadcrumb a { color: var(--muted); }

.pill {
  display: inline-block; border-radius: 999px; padding: 0.18rem 0.65rem;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.02em;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
}
.pill.pass { background: var(--pass-bg); color: var(--pass); border-color: transparent; }
.pill.partial { background: var(--partial-bg); color: var(--partial); border-color: transparent; }
.pill.fail { background: var(--fail-bg); color: var(--fail); border-color: transparent; }

main { padding: 1.5rem 0 3rem; }
h2 { font-family: var(--serif); font-size: 1.45rem; margin: 1.8rem 0 0.7rem; }
h3 { font-size: 1.1rem; margin: 0.2rem 0; }

.grid, .cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 0.9rem; margin: 1rem 0 1.4rem; }
.card, .cat-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.05rem 1.1rem; box-shadow: var(--shadow); text-decoration: none; color: inherit;
  transition: transform .15s ease, border-color .15s ease;
}
.cat-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.cat-card .count { font-size: 0.82rem; font-weight: 700; color: var(--accent); margin: 0.2rem 0 0.45rem; }
.cat-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.callout {
  background: color-mix(in srgb, var(--accent) 12%, var(--card));
  border-left: 4px solid var(--accent);
  padding: 0.9rem 1rem; border-radius: 0 12px 12px 0; margin: 1rem 0;
}

.guide-layout { display: grid; grid-template-columns: 180px 1fr; gap: 1.5rem; align-items: start; }
.toc {
  position: sticky; top: 5.2rem; font-size: 0.88rem;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 0.85rem 1rem;
}
.toc ol { margin: 0.4rem 0 0; padding-left: 1.1rem; }
.toc a { color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--accent); }

.qp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0.75rem; margin: 0.6rem 0 1.2rem; }
.qp-card {
  display: flex; flex-direction: column; gap: 0.35rem; text-decoration: none; color: inherit;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 0.65rem;
  box-shadow: var(--shadow);
}
.qp-photo { width: 100%; aspect-ratio: 1; object-fit: contain; background: var(--bg-2); border-radius: 8px; }

.table-wrap {
  overflow: auto; max-height: min(70vh, 640px); margin: 1rem 0 1.5rem;
  border: 1px solid var(--line); border-radius: 12px; background: var(--card);
}
table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 0.9rem; min-width: 720px; }
th, td { text-align: left; padding: 0.65rem 0.7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th {
  position: sticky; top: 0; z-index: 2;
  background: var(--bg-2); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted);
}
th.col-sticky, td.col-sticky { position: sticky; left: 0; background: var(--card); z-index: 1; min-width: 180px; }
th.col-sticky { z-index: 3; background: var(--bg-2); }
.row-product { display: flex; gap: 0.55rem; align-items: center; }
.thumb {
  width: 52px; height: 52px; object-fit: contain; border-radius: 8px;
  background: #fff; flex: 0 0 auto;
  border: 1px solid var(--line);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.06); min-width:52px; min-height:52px;
}
@media (prefers-color-scheme: dark) {
  .thumb { background: #243029; }
}
.product-media {
  border-radius: 12px; overflow: hidden; aspect-ratio: 1;
  background-color: #f3efe6;
  background-image:
    linear-gradient(45deg, #e8e4da 25%, transparent 25%),
    linear-gradient(-45deg, #e8e4da 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e8e4da 75%),
    linear-gradient(-45deg, transparent 75%, #e8e4da 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
.product-photo {
  width: 100%; height: 100%; object-fit: contain;
  background: #fff;
}
@media (prefers-color-scheme: dark) {
  .product-media { background-color: #243029; background-image: none; }
  .product-photo { background: #1a221c; }
}

.product-grid { display: flex; flex-direction: column; gap: 1rem; }
.product {
  display: grid; grid-template-columns: 200px 1fr; gap: 1rem;
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 1rem; box-shadow: var(--shadow);
}
.product-head { display: flex; flex-wrap: wrap; gap: 0.5rem 0.8rem; align-items: baseline; justify-content: space-between; }
.meta { color: var(--muted); font-size: 0.9rem; margin: 0.3rem 0 0.6rem; }
.kv { display: grid; grid-template-columns: 9rem 1fr; gap: 0.25rem 0.7rem; font-size: 0.92rem; margin: 0.7rem 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.sources, .caveats { margin: 0.4rem 0 0; padding-left: 1.1rem; font-size: 0.9rem; }
.img-credit { font-size: 0.78rem; color: var(--muted); }
.buy-row { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.75rem; }
.btn {
  display: inline-block; padding: 0.42rem 0.75rem; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg-2); color: var(--ink);
  text-decoration: none; font-size: 0.86rem; font-weight: 600;
}
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.affiliate-note { font-size: 0.8rem; color: var(--muted); margin-top: 0.45rem; }
.ftc { font-size: 0.78rem; color: var(--muted); border-top: 1px dashed var(--line); margin-top: 0.85rem; padding-top: 0.6rem; }

.site-footer {
  border-top: 1px solid var(--line); padding: 1.5rem 0 2.2rem; color: var(--muted);
  font-size: 0.88rem; background: var(--bg-2);
}
.site-footer a { color: var(--muted); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.7rem 1rem; margin-bottom: 0.7rem; }

@media (max-width: 860px) {
  .hero-grid, .guide-layout, .product { grid-template-columns: 1fr; }
  .toc { position: static; }
  .product-media { max-width: 280px; }
  .kv { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav { font-size: 0.8rem; gap: 0.45rem 0.7rem; }
  table { min-width: 640px; }
}