:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1f2933;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #2563eb;
  --danger: #dc2626;
  --ok: #15803d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--primary); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; }
h1 { margin: 0 0 4px; font-size: 22px; }
h2 { margin: 0; font-size: 17px; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }

.topbar { background: var(--card); border-bottom: 1px solid var(--border); }
.topbar-inner {
  max-width: 1100px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 24px;
}
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { text-decoration: none; color: var(--muted); }
.topbar nav a:hover { color: var(--text); }

.container { max-width: 1100px; margin: 0 auto; padding: 20px; display: grid; gap: 20px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 18px 20px; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-top: 1px solid var(--border); vertical-align: top; }
thead th { border-top: 0; color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
td.actions, th.actions { text-align: right; white-space: nowrap; width: 1%; }
tbody tr:hover { background: #fafafa; }

.row { display: flex; gap: 8px; margin-top: 14px; }
.row input { flex: 1; }
.inline { display: inline-flex; align-items: center; gap: 10px; margin: 0; }
input[type=text], input[type=password] {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font: inherit; width: 100%;
}
label { display: block; margin-bottom: 12px; font-weight: 500; }
label input { margin-top: 4px; }

.btn {
  display: inline-block; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); font: inherit; cursor: pointer; text-decoration: none;
}
.btn:hover { background: #f3f4f6; }
.btn-small { padding: 4px 10px; font-size: 13px; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-danger { color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: #fef2f2; }

.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; }
.alert-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-ok { background: #f0fdf4; color: var(--ok); border: 1px solid #bbf7d0; }

.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: #eef2ff; color: #3730a3; white-space: nowrap; }
.tag-render { background: #fef2f2; color: var(--danger); }
.tag-access { background: #fffbeb; color: #b45309; }
.tag-validation { background: #eef2ff; color: #3730a3; }

details { margin-top: 4px; }
summary { cursor: pointer; color: var(--muted); font-size: 12px; }
pre { margin: 6px 0 0; padding: 10px; background: #f8fafc; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; overflow-x: auto; white-space: pre-wrap; }

.login-page { display: grid; place-items: center; min-height: 100vh; padding: 20px; }
.login-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 28px; width: 100%; max-width: 360px; }
.login-card .muted { margin: 0 0 18px; }
.login-card .btn { width: 100%; margin-top: 4px; }