:root {
  --color-purple: #836ef9;
  --color-deep: #200052;
  --color-bg: #0e100f;
  --color-surface: #16181a;
  --color-surface-2: #1e2124;
  --color-text: #fbfaf9;
  --color-muted: #a8a6a3;
  --color-pos: #3d9a6a;
  --color-neg: #c45c5c;
  --color-border: rgba(131, 110, 249, 0.22);
  --radius: 10px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-w: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(ellipse 120% 80% at 50% -20%, var(--color-deep), var(--color-bg) 55%);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}
.tabular { font-variant-numeric: tabular-nums; }
a { color: var(--color-purple); }
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 1.25rem; }
.site-header { border-bottom: 1px solid var(--color-border); background: rgba(14, 16, 15, 0.9); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem; padding-top: 0.75rem; padding-bottom: 0.75rem; }
.logo { font-weight: 650; color: var(--color-text); text-decoration: none; }
.site-nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; font-size: 0.88rem; }
.site-nav a { text-decoration: none; color: var(--color-muted); }
.site-nav a.active, .site-nav a:hover { color: var(--color-text); }
.footer-tools { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; font-size: 0.85rem; margin-bottom: 0.75rem; }
.footer-tools a { text-decoration: none; }
.site-footer { margin-top: 2.5rem; border-top: 1px solid var(--color-border); padding: 1.5rem 0 2rem; }
.disclaimer { font-size: 0.85rem; color: var(--color-muted); margin: 0 0 0.5rem; }
.footer-meta { font-size: 0.8rem; color: var(--color-muted); margin: 0; }
.hero h1 { font-size: clamp(1.35rem, 4vw, 1.85rem); margin: 0 0 0.35rem; }
.hero p, .prose p { color: var(--color-muted); }
.prose { max-width: 70ch; }
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); }
.card h2, .card h3 { margin: 0 0 0.6rem; font-size: 1.05rem; }
.hint { font-size: 0.78rem; color: var(--color-muted); margin-top: 0.2rem; }
.stat { color: var(--color-text); font-weight: 600; }
.btn { display: inline-block; padding: 0.55rem 1rem; border-radius: 8px; border: none; background: var(--color-purple); color: #fff; font-weight: 600; text-decoration: none; cursor: pointer; font-size: 0.95rem; }
table.data { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
table.data th, table.data td { border: 1px solid var(--color-border); padding: 0.45rem 0.5rem; text-align: left; vertical-align: top; }
table.data th { background: var(--color-surface-2); }
table.data th[data-col] { user-select: none; }
table.data th[aria-sort="ascending"]::after { content: " ▲"; font-size: 0.7em; }
table.data th[aria-sort="descending"]::after { content: " ▼"; font-size: 0.7em; }
table.data a.ext { text-decoration: none; font-size: 0.8rem; }
.badge { display: inline-block; font-size: 0.72rem; padding: 0.15rem 0.45rem; border-radius: 4px; background: var(--color-surface-2); border: 1px solid var(--color-border); }
.pos { color: var(--color-pos); }
.neg { color: var(--color-neg); }
.faq details { margin-bottom: 0.65rem; border: 1px solid var(--color-border); border-radius: 8px; padding: 0.5rem 0.75rem; background: var(--color-surface); }
.faq summary { cursor: pointer; font-weight: 600; }
.rank-box { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem; margin: 1rem 0; font-size: 0.9rem; }
.table-scroll { overflow-x: auto; margin: 1rem 0; max-width: 100%; }
.table-scroll table.data { min-width: 36rem; }
table.data caption { text-align: left; color: var(--color-muted); font-size: 0.82rem; padding-bottom: 0.4rem; }
.table-controls { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; align-items: end; margin-top: 1rem; font-size: 0.85rem; color: var(--color-muted); }
.table-controls select, .table-controls input { display: block; margin-top: 0.2rem; padding: 0.4rem 0.55rem; border-radius: 6px; border: 1px solid var(--color-border); background: var(--color-surface-2); color: var(--color-text); font-size: 0.9rem; }
.breadcrumb { font-size: 0.82rem; color: var(--color-muted); margin: 0.25rem 0 0.5rem; }
.breadcrumb a { text-decoration: none; }
.guide { max-width: 78ch; }
.guide h2, .prose h2 { font-size: 1.3rem; margin: 2rem 0 0.5rem; }
.guide h3, .prose h3 { font-size: 1.05rem; margin: 1.5rem 0 0.35rem; }
.guide p, .guide li, .prose li { color: var(--color-muted); }
.guide ul, .prose ul { padding-left: 1.25rem; }
.guide code, .prose code { background: var(--color-surface-2); padding: 0.1rem 0.35rem; border-radius: 4px; font-size: 0.88em; color: var(--color-text); }
.formula { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 0.75rem 1rem; color: var(--color-text); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.92rem; overflow-x: auto; }
.callout { border-left: 3px solid var(--color-purple); background: var(--color-surface-2); border-radius: var(--radius); padding: 0.75rem 1rem; margin: 1.25rem 0; }
.callout p { margin: 0.25rem 0; }
.card-list { list-style: none; padding: 0; display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.card-list li { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 0.75rem 1rem; margin: 0; }
.card-list li a { text-decoration: none; }
.card-list li span { display: block; font-size: 0.86rem; color: var(--color-muted); margin-top: 0.25rem; }
.updated { margin-top: 0.5rem; }
.ns { color: var(--color-muted); font-size: 0.78rem; }
.compare-box { margin: 1.5rem 0; padding: 0.75rem 1rem; border: 1px solid var(--color-border); border-left: 3px solid var(--color-purple); border-radius: var(--radius); background: var(--color-surface-2); }
.compare-box h2 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.compare-box ul { margin: 0.25rem 0; padding-left: 1.1rem; }
.compare-box p { margin: 0.4rem 0 0; }
.sources.card { margin: 1rem 0; padding: 0.75rem 1rem; }
.last-updated { margin: 0.25rem 0 0; }
.copy-guide { font-size: 1.1rem; margin: 0.75rem 0; }
.detail-grid { display: grid; gap: 1.5rem; }
@media (min-width: 900px) { .detail-grid { grid-template-columns: minmax(0, 1fr) 20rem; align-items: start; } }
.detail-grid aside { position: sticky; top: 4.5rem; }
.pros-cons { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.pros-cons ul { margin: 0; }