:root{
  --bg:#f7f8fb; --surface:#ffffff; --ink:#14171f; --muted:#5b6475; --line:#e3e6ee;
  --brand:#1f4fd8; --brand-ink:#ffffff; --brand-soft:#e8eefc;
  --good:#0f7b4a; --good-soft:#e5f5ec; --warn:#a15c00; --warn-soft:#fff3df;
  --bad:#b42318; --bad-soft:#fdecea; --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 4px 16px rgba(16,24,40,.06);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0f1218; --surface:#171b23; --ink:#eef1f6; --muted:#a3acbd; --line:#2a303c;
  --brand:#6b93ff; --brand-ink:#0f1218; --brand-soft:#1d2740;
  --good:#4cc38a; --good-soft:#12291e; --warn:#f0b35a; --warn-soft:#2d2212;
  --bad:#ff7a6e; --bad-soft:#2e1714;
}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);line-height:1.55}
a{color:var(--brand)}
img,svg{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
header.site{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--ink);text-decoration:none;font-size:18px}
.logo b{color:var(--brand)}
nav.top a{color:var(--muted);text-decoration:none;margin-left:16px;font-size:15px}
nav.top a:hover{color:var(--ink)}
@media (max-width:640px){nav.top a.hide-sm{display:none}}
.hero{padding:48px 0 24px;text-align:center}
.hero h1{font-size:clamp(28px,4.6vw,44px);line-height:1.15;margin:0 0 12px}
.hero p{color:var(--muted);font-size:18px;max-width:720px;margin:0 auto}
.badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.badge{background:var(--brand-soft);color:var(--brand);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;padding:24px 0 40px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .12s,border-color .12s;display:flex;flex-direction:column;gap:8px}
.card:hover{transform:translateY(-2px);border-color:var(--brand)}
.card .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:22px;color:#fff}
.card h3{margin:4px 0 0;font-size:17px}
.card p{margin:0;color:var(--muted);font-size:14px}
.card .tag{font-size:12px;color:var(--muted);margin-top:auto}
.flag{border:2px solid var(--brand)}
section.block{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:24px 0;box-shadow:var(--shadow)}
.crumbs{font-size:14px;color:var(--muted);padding-top:20px}
.crumbs a{color:var(--muted)}
.tool-head h1{font-size:clamp(26px,4vw,36px);margin:8px 0}
.tool-head p.lead{color:var(--muted);font-size:17px;margin:0}
form.tool fieldset{border:1px solid var(--line);border-radius:12px;padding:16px;margin:0 0 16px}
form.tool legend{font-weight:700;padding:0 6px}
.q{margin:10px 0 14px}
.q > label.qt,.q > .qt{display:block;font-weight:600;margin-bottom:6px}
.q .hint{font-size:13px;color:var(--muted);margin:-2px 0 6px}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts label{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer;background:var(--bg)}
.opts.stack{flex-direction:column}
.opts.stack label{align-items:flex-start}
.opts input{margin-top:3px}
input[type=number],input[type=datetime-local],input[type=date],select{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);width:100%;max-width:360px}
.btn{text-decoration:none;display:inline-block;font:inherit;font-weight:700;border:0;border-radius:10px;padding:12px 20px;background:var(--brand);color:var(--brand-ink);cursor:pointer}
.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.result{margin-top:20px;scroll-margin-top:76px}
.verdict{border-radius:12px;padding:16px 18px;margin-bottom:12px}
.verdict h2{margin:0 0 4px;font-size:22px}
.verdict p{margin:0}
.tone-good{background:var(--good-soft);border-left:5px solid var(--good)}
.tone-warn{background:var(--warn-soft);border-left:5px solid var(--warn)}
.tone-bad{background:var(--bad-soft);border-left:5px solid var(--bad)}
.tone-info{background:var(--brand-soft);border-left:5px solid var(--brand)}
.checklist h3{margin:18px 0 6px;font-size:17px}
.checklist ul{list-style:none;padding:0;margin:0}
.checklist li{display:flex;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line)}
.checklist li input{margin-top:5px}
.ref{color:var(--muted);font-size:13px;white-space:nowrap}
.big-time{font-size:clamp(22px,3.6vw,30px);font-weight:800;margin:4px 0}
.countdown{font-variant-numeric:tabular-nums;font-weight:700}
.next{border:1px solid var(--line);border-radius:12px;padding:16px;margin-top:16px;background:var(--bg)}
.next .lbl{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.next h4{margin:4px 0}
.ad-slot{min-height:0;margin:20px 0}
.ad-slot:empty{display:none}
.explainer h2{font-size:22px;margin-top:0}
.faq details{border-bottom:1px solid var(--line);padding:10px 0}
.faq summary{cursor:pointer;font-weight:600}
.meta{font-size:13px;color:var(--muted)}
.related{display:flex;flex-wrap:wrap;gap:8px}
.related a{border:1px solid var(--line);border-radius:999px;padding:6px 12px;text-decoration:none;font-size:14px;background:var(--surface)}
.disclaimer{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:16px}
footer.site{border-top:1px solid var(--line);margin-top:40px;padding:24px 0;color:var(--muted);font-size:14px;background:var(--surface)}
footer.site .cols{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}
footer.site a{color:var(--muted);margin-right:14px}
.prose{max-width:760px}
@media print{
  header.site,footer.site,form.tool,.btn-row,.next,.ad-slot,.explainer,.related-wrap,.crumbs{display:none!important}
  body{background:#fff;color:#000}
  section.block{box-shadow:none;border:0;padding:0}
  .print-only{display:block!important}
}
.print-only{display:none}