:root{--bg:#fbf8f3;--card:#fff;--ink:#1f2328;--muted:#5d6670;--line:#e6e0d6;--brand:#0f766e;--brand-ink:#fff;--accent:#b45309;--radius:14px}
@media (prefers-color-scheme:dark){:root{--bg:#14161a;--card:#1c1f24;--ink:#eceff3;--muted:#a3abb5;--line:#2c3138;--brand:#2dd4bf;--brand-ink:#04201d;--accent:#f59e0b}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--brand)}.wrap{max-width:880px;margin:0 auto;padding:0 16px}
header.top{border-bottom:1px solid var(--line)}header.top .wrap{display:flex;gap:16px;align-items:center;height:56px}
header.top b{font-size:18px}header.top nav{margin-left:auto;display:flex;gap:14px;font-size:14px}
h1{font-size:clamp(26px,5vw,38px);line-height:1.15;margin:28px 0 8px}h2{font-size:22px;margin:28px 0 8px}
.lead{color:var(--muted);font-size:18px;margin:0 0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:14px 0}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
label{display:block;font-size:14px;color:var(--muted);margin:10px 0 4px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit}
textarea{min-height:90px}
.row{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.btn{display:inline-block;border:0;border-radius:10px;padding:12px 18px;font:600 16px system-ui;cursor:pointer;text-decoration:none;background:var(--brand);color:var(--brand-ink)}
.btn.alt{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.price{font-size:28px;font-weight:700}.muted{color:var(--muted)}.small{font-size:13px}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:600}.num{text-align:right;font-variant-numeric:tabular-nums}
.tablewrap{overflow-x:auto}
.big{font-size:30px;font-weight:700}.pos{color:#15803d}.neg{color:#b91c1c}
footer{margin:48px 0 24px;color:var(--muted);font-size:13px}
.note{border-left:3px solid var(--accent);padding:6px 12px;color:var(--muted);font-size:14px}