:root {
  --ink: #1a2330;
  --ink-soft: #4a5568;
  --bg: #f6f8fa;
  --card: #ffffff;
  --accent: #0b6e4f;
  --accent-dark: #095c42;
  --pass: #0b6e4f;
  --marginal: #92400e; /* AA contrast for white text */
  --fail: #c53030;
  --line: #e2e8f0;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

header.site {
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.site-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.logo {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}
.logo span { color: var(--accent); }
nav.main a {
  color: var(--ink-soft);
  text-decoration: none;
  margin-left: 14px;
  font-size: 0.92rem;
}
nav.main a:hover, nav.main a.active { color: var(--accent); }

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

h1 { font-size: 1.7rem; line-height: 1.25; margin: 0.4em 0; }
h2 { font-size: 1.25rem; margin-top: 1.6em; }
h3 { font-size: 1.05rem; }
.lede { color: var(--ink-soft); font-size: 1.05rem; max-width: 64ch; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin: 18px 0;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }

label.field { display: block; font-size: 0.9rem; font-weight: 600; }
label.field .hint { display: block; font-weight: 400; color: var(--ink-soft); font-size: 0.8rem; }
input[type="number"], select {
  width: 100%;
  padding: 9px 10px;
  margin-top: 4px;
  border: 1px solid #cbd5e0;
  border-radius: 6px;
  font-size: 1rem;
  background: #fff;
  color: var(--ink);
}
input[type="range"] { width: 100%; margin-top: 8px; }
.range-row { display: flex; align-items: baseline; justify-content: space-between; }
.range-val { font-weight: 700; color: var(--accent); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 22px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
}
.btn:hover { background: var(--accent-dark); }
.btn.secondary {
  background: #fff;
  color: var(--accent);
  border: 1px solid var(--accent);
  font-size: 0.9rem;
  padding: 8px 14px;
}

.sticker-help {
  background: #eef6f2;
  border: 1px solid #cfe5db;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.9rem;
  margin: 10px 0;
}

.results { display: none; }
.results.show { display: block; }

.verdict {
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.verdict.pass { background: var(--pass); }
.verdict.marginal { background: var(--marginal); }
.verdict.fail { background: var(--fail); }
.verdict .sub { display: block; font-size: 0.92rem; font-weight: 500; margin-top: 4px; opacity: 0.95; }

.check {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 10px 0;
}
.check .check-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.check .name { font-weight: 700; }
.check .tag { font-weight: 800; font-size: 0.82rem; padding: 2px 9px; border-radius: 99px; color: #fff; }
.tag.pass { background: var(--pass); }
.tag.marginal { background: var(--marginal); }
.tag.fail { background: var(--fail); }
.tag.skip { background: #4a5568; }
.bar { height: 10px; background: #edf2f7; border-radius: 99px; margin-top: 8px; overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 99px; }
.bar i.pass { background: var(--pass); }
.bar i.marginal { background: var(--marginal); }
.bar i.fail { background: var(--fail); }
.check .detail { font-size: 0.88rem; color: var(--ink-soft); margin-top: 6px; }

.note, .disclaimer {
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.disclaimer {
  border-top: 1px solid var(--line);
  margin-top: 14px;
  padding-top: 10px;
}

.cantcheck {
  background: #fffaf0;
  border: 1px solid #f6e0b5;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.88rem;
  margin-top: 14px;
}

pre.share {
  background: #f1f5f9;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
}

article { max-width: 70ch; }
article p, article li { color: #2d3748; }
article .keypoint {
  border-left: 4px solid var(--accent);
  background: #eef6f2;
  padding: 10px 14px;
  border-radius: 0 8px 8px 0;
  margin: 16px 0;
}

table.spec {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.92rem;
}
table.spec th, table.spec td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
}
table.spec th { background: #f1f5f9; }

details.faq {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  margin: 10px 0;
  padding: 0 16px;
}
details.faq summary {
  font-weight: 700;
  padding: 13px 0;
  cursor: pointer;
}
details.faq p { margin-top: 0; }

footer.site {
  border-top: 1px solid var(--line);
  background: var(--card);
  margin-top: 32px;
}
.foot-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 20px 16px;
  font-size: 0.82rem;
  color: var(--ink-soft);
}
.foot-inner a { color: var(--ink-soft); }


.subnav { background: #eef2f6; border-bottom: 1px solid var(--line); }
.subnav-inner {
  max-width: 880px; margin: 0 auto; padding: 9px 16px;
  display: flex; gap: 18px; flex-wrap: wrap;
}
.subnav-inner a { color: var(--ink-soft); text-decoration: none; font-size: 0.88rem; }
.subnav-inner a:hover, .subnav-inner a.active { color: var(--accent); font-weight: 700; }