:root{--bg:#f4f8fc;--card:#fff;--ink:#1d2420;--muted:#5d6a62;--line:#e1e6e0;--brand:#1d6fb8;--brand2:#e4f0fb;--accent:#7dd3fc;--radius:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;font-size:17px}
a{color:var(--brand)}
header.top{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:8px}
.logo span{background:var(--accent);border-radius:8px;padding:0 7px;color:#1d2420}
.nav ul{list-style:none;display:flex;gap:16px;margin:0;padding:0;flex-wrap:wrap;font-size:.95rem}
.nav ul a{text-decoration:none;color:var(--muted)}
.nav ul a:hover{color:var(--brand)}
main{padding:28px 0 40px}
h1{font-size:clamp(1.7rem,4.5vw,2.4rem);line-height:1.2;margin:.2em 0 .4em}
h2{font-size:1.4rem;margin-top:1.8em}
h3{font-size:1.12rem;margin-top:1.4em}
.lead{font-size:1.1rem;color:var(--muted)}
.crumbs{font-size:.88rem;color:var(--muted)}
.crumbs a{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:20px 0}
.calc h2{margin-top:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
label{display:block;font-weight:600;font-size:.93rem;margin-bottom:4px}
label small{font-weight:400;color:var(--muted)}
input,select{width:100%;padding:11px 12px;border:1px solid #cdd5cd;border-radius:10px;font-size:1rem;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.results{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:18px}
.res{background:var(--brand2);border-radius:12px;padding:14px;text-align:center}
.res b{display:block;font-size:1.5rem;color:var(--brand)}
.res span{font-size:.85rem;color:var(--muted)}
.note{font-size:.88rem;color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:.95rem;background:var(--card)}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
th{background:var(--brand2)}
tr:last-child td{border-bottom:0}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:16px 0}
.tile{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;text-decoration:none;color:var(--ink);transition:.15s}
.tile:hover{border-color:var(--brand);transform:translateY(-2px)}
.tile strong{display:block}
.tile small{color:var(--muted)}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:10px 0}
summary{font-weight:600;cursor:pointer}
.ad-slot{margin:24px 0;min-height:90px}
footer{background:#1d2420;color:#c9d1cb;padding:28px 0;font-size:.92rem}
footer a{color:#e7ede8}
footer ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:14px;margin:10px 0}
#cookie{position:fixed;left:12px;right:12px;bottom:12px;max-width:720px;margin:0 auto;background:#1d2420;color:#fff;border-radius:14px;padding:16px;z-index:50;display:none;box-shadow:0 8px 30px rgba(0,0,0,.25);font-size:.92rem}
#cookie a{color:#ffd95a}
#cookie .btns{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
#cookie button{border:0;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer;font-size:.95rem}
.bt-ok{background:var(--accent);color:#1d2420}.bt-no{background:#3a453f;color:#fff}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:11px 18px;font-weight:700;text-decoration:none;cursor:pointer;font-size:1rem}
textarea{width:100%;padding:11px 12px;border:1px solid #cdd5cd;border-radius:10px;font:inherit;min-height:140px}
@media(max-width:640px){header.top{position:static}}
.out{background:var(--brand2);border-radius:12px;padding:16px;margin-top:16px;font-size:1.05rem}
.out b{color:var(--brand);font-size:1.35rem}
.warn{background:#fff3cd;border:1px solid #f0d27a;border-radius:12px;padding:12px 16px}
.danger{background:#fde2e1;border:1px solid #f2a9a5}
.ok{background:#e4f5e8;border:1px solid #a9dcb5}
.cal{display:grid;grid-template-columns:repeat(12,1fr);gap:2px;font-size:.72rem;text-align:center;margin:8px 0}
.cal span{padding:6px 0;border-radius:4px;background:#eef0ec;color:#777}
.cal .s{background:#f4c95d;color:#3b2f00}.cal .t{background:#8cc7f0;color:#08324f}.cal .c{background:#7cc36a;color:#173d0d}
.legend span{display:inline-block;padding:2px 8px;border-radius:4px;margin-right:6px;font-size:.8rem}