:root{--bg:#F5F6F2;--card:#FFFFFF;--ink:#1B1F1D;--muted:#4A524D;--soft:#5B635E;--line:#DDE1DA;--field:#C4CAC1;--accent:#1E5E42;--accent-ink:#FFFFFF;--accent-soft:#D6EBDF;--accent-line:#3F7D61;--ad:#EDEFEA;--ad-line:#B5BCB2}
@media (prefers-color-scheme:dark){:root{--bg:#141716;--card:#1D2120;--ink:#E8ECE9;--muted:#B4BCB7;--soft:#9AA39E;--line:#2F3532;--field:#47504B;--accent:#2E7A57;--accent-ink:#FFFFFF;--accent-soft:#CFE6D9;--accent-line:#4C8C6E;--ad:#1A1E1C;--ad-line:#3A423E}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'IBM Plex Sans',system-ui,sans-serif;line-height:1.6}
a{color:var(--accent)}
.wrap{max-width:1160px;margin:0 auto;padding:0 16px}
header.site{background:var(--card);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;font-size:19px}
.logo span:first-child{width:34px;height:34px;border-radius:8px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace}
nav.cats{display:flex;flex-wrap:wrap;gap:20px;font-weight:500}
nav.cats a{color:var(--ink);text-decoration:none}
.crumbs{font-size:14px;color:var(--soft);margin:28px 0 12px}
h1{font-size:clamp(28px,4vw,40px);line-height:1.15;letter-spacing:-.02em;margin:0 0 12px;max-width:820px}
.lead{font-size:18px;color:var(--muted);max-width:720px;margin:0 0 28px}
.layout{display:flex;flex-wrap:wrap;gap:32px;align-items:flex-start}
.main{flex:999 1 560px;min-width:0;display:flex;flex-direction:column;gap:24px}
aside.side{flex:1 1 300px;max-width:336px;min-width:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
.modes{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.modes button{font:inherit;font-size:15px;font-weight:600;min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--field);background:transparent;color:var(--ink);cursor:pointer}
.modes button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
label{font-size:14px;font-weight:600}
input,select{font:inherit;font-family:'IBM Plex Mono',monospace;font-size:17px;height:48px;padding:0 12px;border:1px solid var(--field);border-radius:8px;background:var(--bg);color:var(--ink);width:100%}
.hint{font-size:13px;color:var(--soft)}
.result{background:var(--accent);color:var(--accent-ink);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:16px}
.result .top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px}
.result .top span:first-child{color:var(--accent-soft);font-weight:500}
.big{font-family:'IBM Plex Mono',monospace;font-size:clamp(32px,5vw,44px);font-weight:500}
.rows{border-top:1px solid var(--accent-line)}
.row{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--accent-line);font-size:15px}
.row:last-child{border-bottom:none}
.row .v{font-family:'IBM Plex Mono',monospace;white-space:nowrap}
.row small{color:var(--accent-soft)}
.note{font-size:13px;color:var(--accent-soft);margin:0}
.ad{border:1px dashed var(--ad-line);border-radius:8px;background:var(--ad);color:var(--soft);font-size:13px;display:flex;align-items:center;justify-content:center;text-align:center;padding:12px}
article{max-width:720px;font-size:17px}
article h2{font-size:26px;line-height:1.25;margin:36px 0 12px}
article table{border-collapse:collapse;width:100%;font-size:15px;margin:8px 0 16px}
article th,article td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left}
article td.n{font-family:'IBM Plex Mono',monospace;text-align:right;white-space:nowrap}
details{border-bottom:1px solid var(--line);padding:12px 0}
summary{font-weight:600;cursor:pointer;min-height:28px}
details p{margin:8px 0 0;color:var(--muted)}
.related{display:flex;flex-wrap:wrap;gap:10px}
.related a{padding:10px 16px;border:1px solid var(--field);border-radius:999px;background:var(--card);text-decoration:none;font-size:15px}
.disclaimer{padding:16px;background:var(--card);border:1px solid var(--line);border-radius:10px;font-size:14px;color:var(--muted)}
footer.site{background:#1B1F1D;color:#C9CEC8;margin-top:48px}
footer.site .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:32px;padding-bottom:32px;font-size:14px}
footer.site a{color:#E4E7E2}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.home-hero{padding:56px 0 32px}
.home-hero p.k{margin:0 0 12px;font-size:14px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.08em}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin:16px 0 48px}
.cards a{display:flex;flex-direction:column;gap:6px;padding:20px;background:var(--card);border:1px solid var(--line);border-radius:12px;color:var(--ink);text-decoration:none}
.cards a:hover{border-color:var(--accent)}
.cards .tag{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--accent)}
.cards .t{font-size:18px;font-weight:600}
.cards .d{font-size:14px;color:var(--soft)}
.soon{color:var(--soft);font-size:15px}
.legal{max-width:760px;padding:32px 0}
select{font-family:'IBM Plex Sans',system-ui,sans-serif;font-size:15px}