:root{--bg:#fff;--fg:#14181f;--muted:#5b6575;--line:#e3e7ee;--accent:#2f5bea;--card:#f6f8fb}
@media (prefers-color-scheme:dark){:root{--bg:#10141b;--fg:#e8ecf3;--muted:#9aa5b8;--line:#263041;--accent:#7c9bff;--card:#171d28}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
.wrap{max-width:46rem;margin:0 auto;padding:0 1rem}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.9rem;padding-bottom:.9rem;flex-wrap:wrap}
.brand{font-weight:700;font-size:1.15rem;color:var(--fg);text-decoration:none}
nav a{margin-left:1rem;text-decoration:none;color:var(--muted)}
nav a:hover{color:var(--fg)}
main{padding:2rem 0 3rem}
h1{font-size:2rem;line-height:1.2;margin:.2rem 0 .8rem}
h2{font-size:1.25rem;margin:2rem 0 .5rem}
.lead{font-size:1.15rem;color:var(--muted)}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:.8rem}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:.9rem 1rem .9rem 3rem;position:relative}
.steps li::before{content:counter(s);position:absolute;left:1rem;top:.85rem;width:1.6rem;height:1.6rem;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;text-align:center;line-height:1.6rem;font-size:.9rem}
.note{background:var(--card);border-left:4px solid var(--accent);padding:.7rem 1rem;border-radius:6px;color:var(--muted)}
table{border-collapse:collapse;width:100%;margin:.5rem 0}
th,td{text-align:left;border-bottom:1px solid var(--line);padding:.5rem .6rem;vertical-align:top}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
footer .wrap{padding-top:1rem;padding-bottom:1.5rem}
footer a{color:var(--muted)}
.uploader{display:grid;grid-template-columns:minmax(0,1fr);gap:1rem;margin:1.2rem 0}
.field{display:grid;gap:.4rem;font-weight:600}
.field input[type=file]{width:100%;max-width:100%;font:inherit;padding:.6rem;border:1px dashed var(--line);border-radius:8px;background:var(--card);color:var(--fg)}
.check{display:flex;gap:.6rem;align-items:flex-start;color:var(--muted);font-size:.95rem}
.check input{margin-top:.3rem}
button{font:inherit;font-weight:700;padding:.75rem 1.2rem;border:0;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer}
button:disabled{opacity:.45;cursor:not-allowed}
progress{width:100%;height:.8rem}
#msg{margin:0;min-height:1.5rem}
#msg.ok{color:#1a8a4a;font-weight:600}
#msg.error{color:#c0392b;font-weight:600}