:root { --b:#111; --muted:#6b7280; --card:#fff; --bg:#f6f7fb; --line:#e5e7eb; }
* { box-sizing:border-box; }
body { margin:0; font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; background:var(--bg); color:var(--b); }
.wrap { max-width:980px; margin:0 auto; padding:18px; }
.top { background:#0b1220; color:#fff; }
.top .muted { color:#cbd5e1; }
h1 { margin:0 0 6px 0; font-size:26px; }
h2 { margin:0 0 10px 0; font-size:18px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:16px; margin:14px 0; box-shadow:0 1px 1px rgba(0,0,0,.03); }
.grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
@media (max-width:840px){ .grid{ grid-template-columns:1fr; } }
.row { display:flex; gap:12px; align-items:flex-start; }
.grow { flex:1; }
.actions { display:flex; gap:10px; align-items:flex-end; padding-top:22px; }
label { display:block; margin-bottom:6px; }
input { width:100%; max-width:320px; padding:12px; border:1px solid var(--line); border-radius:10px; font-size:16px; }
button { padding:12px 14px; border:1px solid #111827; background:#111827; color:#fff; border-radius:10px; cursor:pointer; }
button.secondary { background:#fff; color:#111827; border-color:var(--line); }
button:hover { opacity:.95; }
.help { margin-top:6px; }
.muted { color:var(--muted); }
.small { font-size:13px; }
.status { margin-top:12px; padding:10px; border-radius:10px; border:1px dashed var(--line); }
.status.ok { border-style:solid; border-color:#bbf7d0; background:#f0fdf4; color:#166534; }
.status.err { border-style:solid; border-color:#fecaca; background:#fef2f2; color:#991b1b; }
ul { margin:8px 0 0 18px; }
code { background:#0b1220; color:#fff; padding:2px 6px; border-radius:6px; }