:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --ink: #1a2333;
  --muted: #5b6779;
  --line: #e3e7ee;
  --brand: #00594f;
  --brand-ink: #ffffff;
  --accent: #ffb300;
  --good: #0a7d33;
  --bad: #b3261e;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }
header.site {
  background: var(--brand);
  color: var(--brand-ink);
  padding: 14px 0;
}
header.site .wrap { display: flex; align-items: baseline; gap: 12px; }
.logo { font-weight: 800; font-size: 1.15rem; letter-spacing: 0.2px; }
.logo .tick { color: var(--accent); }
.tagline { font-size: 0.85rem; opacity: 0.85; }

.hero { padding: 34px 0 8px; }
.hero h1 { font-size: 1.7rem; margin: 0 0 10px; line-height: 1.25; }
.hero p.lead { color: var(--muted); margin: 0 0 6px; max-width: 640px; }
.updated {
  display: inline-block; font-size: 0.78rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px;
  background: var(--card); margin-top: 8px;
}

nav.tabs { display: flex; gap: 8px; margin: 22px 0 0; flex-wrap: wrap; }
nav.tabs button {
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  padding: 9px 14px; border-radius: 999px; cursor: pointer; font-size: 0.92rem;
  font-weight: 600;
}
nav.tabs button[aria-selected="true"] { background: var(--brand); color: #fff; border-color: var(--brand); }

section.tool { display: none; padding: 18px 0 8px; }
section.tool.active { display: block; }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; margin: 14px 0;
}
.card h2 { margin: 0 0 4px; font-size: 1.15rem; }
.card p.hint { color: var(--muted); font-size: 0.88rem; margin: 0 0 14px; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 0.84rem; font-weight: 600; margin-bottom: 4px; }
.field .sub { font-weight: 400; color: var(--muted); }
.field input, .field select {
  width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 1rem; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { outline: 2px solid var(--brand); outline-offset: 0; border-color: var(--brand); }
details.more {
  margin: 12px 0 0; border: 1px dashed var(--line); border-radius: 8px; padding: 10px 12px;
}
details.more summary { cursor: pointer; font-size: 0.9rem; font-weight: 600; color: var(--brand); }
details.more .grid { margin-top: 12px; }

.result {
  margin-top: 16px; border-radius: var(--radius); padding: 18px 20px;
  background: #eef4f2; border: 1px solid #cfe0db;
}
.result .big { font-size: 1.9rem; font-weight: 800; }
.result .big.good { color: var(--good); }
.result .big.bad { color: var(--bad); }
.result .expl { color: var(--muted); font-size: 0.9rem; margin-top: 4px; }
.result table.breakdown { margin-top: 12px; }

table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th, td { text-align: right; padding: 6px 10px; border-bottom: 1px solid var(--line); }
th:first-child, td:first-child { text-align: left; }
thead th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.4px; color: var(--muted); }
.tableScroll { overflow-x: auto; }

.chart { width: 100%; height: auto; margin-top: 12px; }
.chart .bar { fill: var(--brand); opacity: 0.85; }
.chart .axis { stroke: var(--line); stroke-width: 1; }
.chart text { font-size: 10px; fill: var(--muted); }

.verdict { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
@media (max-width: 620px) { .verdict { grid-template-columns: 1fr; } }
.verdict .path { border: 1px solid var(--line); border-radius: 10px; padding: 14px; background: #fff; }
.verdict .path.win { border-color: var(--good); box-shadow: 0 0 0 1px var(--good) inset; }
.verdict .path h3 { margin: 0 0 6px; font-size: 0.95rem; }
.verdict .path .num { font-size: 1.3rem; font-weight: 800; }

.sources { font-size: 0.8rem; color: var(--muted); margin: 26px 0 8px; }
.sources a { color: var(--brand); }
footer.site {
  border-top: 1px solid var(--line); margin-top: 30px; padding: 18px 0 30px;
  font-size: 0.78rem; color: var(--muted);
}
.faq h3 { font-size: 0.98rem; margin: 18px 0 4px; }
.faq p { margin: 0 0 10px; color: var(--muted); font-size: 0.92rem; }
.pill-note {
  font-size: 0.82rem; background: #fff8e6; border: 1px solid #f0dfae;
  border-radius: 8px; padding: 8px 12px; margin-top: 10px; color: #6b5900;
}