:root{--bg:#0b0a1c;--card:#16132e;--line:#2c2552;--text:#efeaff;--muted:#a79ec9;--accent:#a98bff;--accent-2:#7c4dff;color-scheme:dark}
@media (prefers-color-scheme:light){:root{--bg:#f6f3ff;--card:#fff;--line:#ddd3f7;--text:#1b1238;--muted:#6a5f8f;--accent:#6d3df0;--accent-2:#5b2ad6;color-scheme:light}}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(900px 500px at 50% -10%,#3a1a6e55,transparent),var(--bg);color:var(--text);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif}
main{max-width:720px;margin:0 auto;padding:56px 16px 40px}
header{text-align:center;margin-bottom:40px}
header img{width:112px;height:112px;border-radius:25%;box-shadow:0 12px 40px #7c4dff44}
h1{margin:20px 0 6px;font-size:2.2rem;letter-spacing:-.02em}
.lead{color:var(--muted);margin:0 auto;max-width:34em}
.cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:10px}
.card h2{margin:0;font-size:1.2rem}
.meta{color:var(--muted);font-size:.9rem;margin:0}
.btn{margin-top:auto;display:block;text-align:center;padding:12px 16px;border-radius:12px;font-weight:600;text-decoration:none;color:#fff;background:linear-gradient(135deg,var(--accent-2),var(--accent))}
.btn[aria-disabled=true]{background:transparent;border:1px dashed var(--line);color:var(--muted);pointer-events:none}
section{margin-top:40px}
h3{margin:0 0 8px;font-size:1.05rem}
ol,ul{padding-left:1.2em;color:var(--muted);margin:0}
li{margin:4px 0}
code{background:var(--card);border:1px solid var(--line);padding:1px 6px;border-radius:6px;font-size:.88em}
.warn{border-left:3px solid var(--accent);padding:4px 14px;color:var(--muted)}
footer{margin-top:48px;text-align:center;color:var(--muted);font-size:.85rem}
input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);font:inherit}
form{display:flex;flex-direction:column;gap:12px;margin-top:8px}
button.btn{border:0;cursor:pointer;font:inherit;font-weight:600}
a.back{color:var(--muted);font-size:.9rem}