:root {
  --bg: #f5f6f8; --panel: #ffffff; --text: #1a1d21; --muted: #616a75; --border: #dde1e6;
  --accent: #2563eb; --accent-text: #ffffff; --danger: #dc2626; --ok: #16a34a; --warn: #d97706;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111316; --panel: #1a1d21; --text: #e8eaed; --muted: #9aa2ad; --border: #2c3137;
    --accent: #3b82f6; --danger: #ef4444; --ok: #22c55e; --warn: #f59e0b;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
[hidden] { display: none !important; }
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 32px 16px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.card + .card { margin-top: 16px; }
h1 { font-size: 22px; line-height: 1.3; margin: 0 0 6px; }
h2 { font-size: 16px; margin: 0 0 12px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1 1 200px; min-width: 0; }
.brand { font-weight: 700; letter-spacing: -0.01em; margin-bottom: 16px; display: flex; justify-content: space-between; align-items: center; }

button, .btn {
  font: inherit; font-weight: 600; border: 1px solid var(--border); background: var(--panel); color: var(--text);
  border-radius: 8px; padding: 8px 14px; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; white-space: nowrap;
}
button:hover:not(:disabled), .btn:hover { filter: brightness(0.96); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.big { font-size: 17px; padding: 12px 28px; min-width: 160px; }
button:disabled { opacity: 0.55; cursor: default; }

input[type=text], input[type=password] {
  font: inherit; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); width: 100%;
}

.pill {
  display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600;
  padding: 4px 12px; border-radius: 999px; background: var(--bg); border: 1px solid var(--border);
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.ok { background: var(--ok); } .dot.warn { background: var(--warn); } .dot.bad { background: var(--danger); }
.error { color: var(--danger); }