:root {
  --page-max: 1180px;
  --space: 12px;
  --border: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --primary: #0d6efd;
  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --warn-border: #fed7aa;
  --warn-bg: #fff7ed;
  --card-radius: 12px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
.page-shell {
  width: min(100%, var(--page-max));
  margin: 18px auto;
  padding: 0 12px;
}
.card {
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 16px;
  margin: 12px 0;
  background: #fff;
}
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.muted { color: var(--muted); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
input, select, textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  background: #fff;
  color: var(--text);
}
label { display: block; margin: 10px 0 6px; font-size: 14px; color: #374151; }
button, .btn, .btn2, .btnDanger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 9px 13px;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  font: inherit;
}
button { border: 0; }
.btn { background: var(--primary); color: #fff; }
.btn2 { background: #f8fafc; border: 1px solid #d1d5db; color: #111; }
.btnDanger { background: #dc2626; color: #fff; border: 0; }
.copy-button { min-height: 28px; padding: 4px 8px; font-size: 12px; margin-left: 6px; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid #eee; padding: 10px 8px; text-align: left; vertical-align: top; }
code { background: #f6f6f6; padding: 2px 6px; border-radius: 6px; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; border: 1px solid #ddd; background: #fafafa; }
.warn { border-color: var(--warn-border); background: var(--warn-bg); }
.danger { border-color: var(--danger); background: var(--danger-bg); color: #7f1d1d; }

@media (max-width: 700px) {
  .page-shell { margin: 8px auto; padding: 0 8px; }
  .card { padding: 12px; border-radius: 10px; }
  th, td { padding: 8px 6px; }
  button, .btn, .btn2, .btnDanger { min-height: 42px; }
  input, select, textarea { font-size: 16px; }
}