:root{--bg:#faf6ee;--paper:#fffdf8;--text:#2a2823;--muted:#6b665b;--accent:#b8420f;--accent2:#8f3209;--line:#e4dccb;--hl:#fbeab8}
@media(prefers-color-scheme:dark){:root{--bg:#1c1a16;--paper:#24211c;--text:#efe9dc;--muted:#a69f8f;--accent:#e8814d;--accent2:#f0a174;--line:#3a352c;--hl:#3b3115}}
*{box-sizing:border-box}
body{margin:0;font-family:"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;font-size:17px}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
header{border-bottom:2px solid var(--text)}
header .wrap{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 20px;padding:18px 20px 12px}
.logo{font-family:Georgia,"Times New Roman",serif;font-weight:700;font-size:1.5rem;color:var(--text);text-decoration:none;letter-spacing:-.5px}
.logo span{color:var(--accent)}
nav a{margin-left:16px;color:var(--muted);text-decoration:none;font-size:.9rem}
nav a:hover{color:var(--accent);text-decoration:underline}
h1,h2{font-family:Georgia,"Times New Roman",serif;line-height:1.2}
h1{font-size:2.1rem;margin:38px 0 10px;letter-spacing:-.5px}
h2{font-size:1.35rem;margin:38px 0 6px}
.lead{font-size:1.1rem;color:var(--muted);margin:0 0 26px}
.card{background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--accent);padding:22px 22px 26px;margin:20px 0}
label{display:block;font-weight:700;margin:16px 0 4px;font-size:.88rem;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
.card label:first-child{margin-top:0}
input,select{width:100%;padding:9px 2px;font-size:1.1rem;font-family:inherit;border:0;border-bottom:2px solid var(--line);background:transparent;color:var(--text);border-radius:0}
input:focus,select:focus{outline:0;border-bottom-color:var(--accent)}
button{margin-top:22px;padding:12px 24px;font-size:1rem;font-weight:700;font-family:inherit;border:2px solid var(--accent);border-radius:2px;background:var(--accent);color:#fff;cursor:pointer}
button:hover{background:var(--accent2);border-color:var(--accent2)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
@media(max-width:560px){.row{grid-template-columns:1fr}h1{font-size:1.75rem}}
.result{display:none;margin-top:24px;padding:16px 18px;background:var(--hl)}
.result.show{display:block}
.big{font-family:Georgia,"Times New Roman",serif;font-size:2rem;font-weight:700;margin-bottom:8px;color:var(--text)}
.line{display:flex;justify-content:space-between;gap:12px;padding:5px 0;border-bottom:1px solid rgba(0,0,0,.12)}
.line:last-of-type{border-bottom:0}
.note{font-size:.85rem;color:var(--muted);margin:12px 0 0}
.toc{list-style:none;padding:0;margin:20px 0}
.toc li{border-top:1px solid var(--line)}
.toc li:last-child{border-bottom:1px solid var(--line)}
.toc a{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:16px 4px;text-decoration:none;color:var(--text)}
.toc a:hover{background:var(--paper)}
.toc strong{font-family:Georgia,serif;font-size:1.2rem}
.toc span{color:var(--muted);font-size:.92rem;text-align:right}
.more{margin-top:34px;padding-top:14px;border-top:1px solid var(--line);font-size:.95rem}
.more a{color:var(--accent)}
.ad{min-height:90px;margin:22px 0}
main p{margin:8px 0 12px}
footer{margin-top:56px;padding:22px 0 30px;border-top:2px solid var(--text);color:var(--muted);font-size:.86rem}
footer a{color:var(--muted)}