:root{--bg:#f4f6f9;--sf:#fff;--tx:#14213d;--mu:#5b6678;--bd:#d9dfe8;--ac:#1f4fd8;--ok:#1d7a4a;--wn:#a86400;--bad:#c0322b;--cell:#e3e8ef;
color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0f1624;--sf:#182137;--tx:#e8edf6;--mu:#9aa6bb;--bd:#2b3752;--ac:#7ba2ff;--ok:#56c58a;--wn:#f0b04a;--bad:#ff7d73;--cell:#25314d;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0f1624;--sf:#182137;--tx:#e8edf6;--mu:#9aa6bb;--bd:#2b3752;--ac:#7ba2ff;--ok:#56c58a;--wn:#f0b04a;--bad:#ff7d73;--cell:#25314d;color-scheme:dark}
html{scroll-padding-top:env(safe-area-inset-top,0px);height:100%}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:28px 18px 48px}
h1{font-size:1.75rem;line-height:1.2;margin:0 0 6px;letter-spacing:-.01em}
h2{font-size:1.1rem;margin:0 0 12px}
.lead{color:var(--mu);margin:0 0 22px;max-width:60ch}
.card{background:var(--sf);border:1px solid var(--bd);border-radius:12px;padding:18px;margin-bottom:16px}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
label{display:flex;flex-direction:column;font-size:.85rem;color:var(--mu);gap:4px}
input{font:inherit;color:var(--tx);background:var(--bg);border:1px solid var(--bd);border-radius:8px;padding:9px 10px;min-width:150px}
input:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--ac);outline-offset:2px}
button{font:inherit;cursor:pointer;border-radius:8px;padding:9px 16px;border:1px solid var(--ac);background:var(--ac);color:#fff;font-weight:600}
button.ghost{background:transparent;color:var(--ac)}
button.x{padding:4px 10px;border-color:var(--bd);color:var(--mu);background:transparent;font-weight:400}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) button:not(.ghost):not(.x){color:#0f1624}}
ul{list-style:none;margin:14px 0 0;padding:0}
li.t{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 0;border-top:1px solid var(--bd)}
.mu{color:var(--mu);font-size:.9rem}
.big{font-size:4.2rem;line-height:1;font-weight:700;letter-spacing:-.03em;margin:4px 0}
.big small{font-size:1.1rem;font-weight:500;color:var(--mu);letter-spacing:0;margin-left:6px}
.strip{display:grid;grid-template-columns:repeat(60,1fr);gap:2px;margin:16px 0 6px}
.strip i{aspect-ratio:1;background:var(--cell);border-radius:2px}
.strip i.on{background:var(--ac)}
.strip i.over{background:var(--bad)}
.ok{color:var(--ok)}.wn{color:var(--wn)}.bad{color:var(--bad)}
.note{border-left:4px solid var(--wn);padding:8px 12px;margin:12px 0 0;background:var(--bg);border-radius:0 8px 8px 0;font-size:.92rem}
.note.r{border-color:var(--bad)}
a{color:var(--ac)}
.st{display:grid;gap:14px}
.st h3{font-size:1rem;margin:0 0 2px}
.foot{font-size:.85rem;color:var(--mu);margin-top:22px}
.nav{display:flex;gap:18px;flex-wrap:wrap;margin:0 0 20px;font-size:.95rem}.nav a{text-decoration:none;font-weight:600}.facts{padding-left:20px;list-style:disc}.facts li{margin:6px 0}.yes{font-size:2.6rem;font-weight:700;margin:4px 0;color:var(--bad)}

.steps{padding-left:22px;margin:0}.steps li{margin:10px 0}details{border-top:1px solid var(--bd);padding:10px 0}details summary{cursor:pointer}details p{margin:8px 0 0}