:root{--bg:#f6f7f9;--card:#fff;--ink:#1c2330;--muted:#667085;--line:#dfe3ea;--accent:#4f46e5;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#10141c;--card:#171c27;--ink:#e8ebf2;--muted:#98a2b3;--line:#2a3140;--accent:#8b85ff}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
header{padding:1rem 1.2rem;border-bottom:1px solid var(--line);background:var(--card)}main{max-width:44rem;margin:0 auto;padding:1.2rem}
h1{margin:.4rem 0 1rem}h2{margin:1.6rem 0 .5rem;font-size:1.1rem}.muted{color:var(--muted)}.small{font-size:.85rem}
fieldset{border:1px solid var(--line);border-radius:.7rem;background:var(--card);padding:.8rem 1rem;margin:0 0 .8rem}legend{font-weight:600;padding:0 .3rem}
label{display:block;margin:.5rem 0}label.check{display:flex;gap:.5rem;align-items:center}input:not([type=radio]):not([type=checkbox]),textarea{width:100%;padding:.55rem .65rem;border:1px solid var(--line);border-radius:.5rem;background:var(--bg);color:var(--ink);font:inherit}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}@media (max-width:34rem){.grid{grid-template-columns:1fr}}
.btn{display:inline-block;padding:.6rem 1.1rem;border:1px solid var(--line);border-radius:.55rem;background:var(--card);color:var(--ink);font:inherit;cursor:pointer;text-decoration:none}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.flash{padding:.6rem .8rem;border-radius:.5rem;border:1px solid var(--line)}.flash.err{border-color:#d92d20}.flash.warn{border-color:#dc6803}.flash.ok{border-color:#12b76a}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}.hidden{display:none!important}form.inline{display:inline}
.state{font-size:1.15rem;font-weight:600}.steps{padding-left:1.2rem}.steps li{margin:.3rem 0;color:var(--muted)}.steps li.done{color:#12b76a}.steps li.now{color:var(--ink);font-weight:600}
pre,code{background:var(--card);border:1px solid var(--line);border-radius:.4rem;padding:.1rem .4rem;word-break:break-all}pre{padding:.6rem .8rem;overflow:auto}.row2{margin:.7rem 0;display:flex;flex-direction:column;gap:.15rem}