:root{--navy:#0f2744;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--bg:#f1f5f9;--card:#fff;--accent:#1d4ed8;--ok:#16a34a;--err:#dc2626}
@media (prefers-color-scheme:dark){:root{--ink:#e2e8f0;--muted:#94a3b8;--line:#1e293b;--bg:#0b1220;--card:#111a2e;--accent:#60a5fa}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}
main{max-width:920px;margin:0 auto;padding:24px 16px 48px}
.top{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.top img{border-radius:10px;background:#fff}
.top h1{font-size:1.25rem;margin:0}
.top button{margin-left:auto}
.muted{color:var(--muted);margin:.25rem 0;font-size:.92rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.center{text-align:center;padding:36px 20px}
.center h2{margin:0 0 6px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin-bottom:18px}
.app{display:block;text-decoration:none;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;transition:transform .12s,box-shadow .12s,border-color .12s}
.app:hover,.app:focus-visible{transform:translateY(-2px);box-shadow:0 6px 18px rgba(15,39,68,.14);border-color:var(--accent);outline:none}
.app h3{margin:10px 0 4px;font-size:1.05rem}
.app p{margin:0;color:var(--muted);font-size:.9rem}
.ico{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--navy);color:#fff;font-weight:700;font-size:1.2rem}
.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.tools h3{margin:0 0 4px;font-size:1rem}
button{font:inherit;cursor:pointer;border-radius:10px;padding:9px 14px;border:1px solid var(--line);background:transparent;color:var(--ink);margin:6px 6px 0 0}
button:hover{border-color:var(--accent)}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600;margin-top:14px}
button:disabled{opacity:.55;cursor:default}
.banner{background:#fef3c7;color:#78350f;border:1px solid #fcd34d;border-radius:12px;padding:12px 14px;margin-bottom:16px;font-size:.92rem}
.error{color:var(--err);font-size:.92rem}
progress{width:min(320px,80%);margin-top:10px}
[hidden]{display:none!important}