:root {
  --bg: #f4f6fa;
  --fg: #1a2030;
  --muted: #5a6478;
  --card: #ffffff;
  --border: #dde3ec;
  --primary: #2862e0;
  --primary-fg: #fff;
  --danger: #c63232;
  --ok: #1e8a4a;
  --shadow: 0 1px 2px rgba(20,30,60,.05), 0 4px 12px rgba(20,30,60,.04);
  --radius: 8px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 14px/1.5 -apple-system, system-ui, Segoe UI, Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
}
.topnav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px;
  background: #1a2030; color: #fff;
}
.topnav .brand { font-weight: 700; letter-spacing: .3px; }
.topnav .links { display: flex; align-items: center; gap: 18px; }
.topnav a { color: #cfd6e3; text-decoration: none; }
.topnav a:hover { color: #fff; }
.topnav .who { color: #8a94a8; font-size: 13px; margin-left: 8px; }
.topnav .inline { margin: 0; }
.linkbtn {
  background: none; border: none; color: #cfd6e3; cursor: pointer; padding: 0; font: inherit;
}
.linkbtn:hover { color: #fff; }

.container { max-width: 1000px; margin: 24px auto; padding: 0 24px 48px; }

h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }

.subtle { color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.metric { font-size: 28px; font-weight: 700; }
.metric.ok { color: var(--ok); }
.metric.err { color: var(--danger); }
.metric-label { color: var(--muted); font-size: 13px; }

.actions { display: flex; gap: 12px; margin: 16px 0; }

.form-card { margin-bottom: 24px; }
.form-card form { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
label { display: flex; flex-direction: column; font-size: 13px; color: var(--muted); gap: 4px; }
input[type=text], input[type=password], select {
  font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--fg);
  min-width: 200px;
}
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: -1px; }

button, .btn {
  font: inherit; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--primary); background: var(--primary); color: var(--primary-fg);
  cursor: pointer; text-decoration: none; display: inline-block;
}
button:hover, .btn:hover { filter: brightness(1.08); }
.btn-secondary { background: #fff; color: var(--primary); }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-danger:hover { filter: brightness(1.08); }

table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { background: #f0f3f8; font-weight: 600; font-size: 13px; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
td.right, th.right { text-align: right; }
td .inline { display: inline-flex; gap: 6px; align-items: center; margin-left: 6px; }
td .inline input { min-width: 0; }

.flash { padding: 10px 14px; border-radius: 6px; margin: 0 0 16px; }
.flash-ok { background: #e3f4ea; color: var(--ok); border: 1px solid #b6e0c4; }
.flash-err { background: #fbe6e6; color: var(--danger); border: 1px solid #f0bdbd; }

.login-card {
  max-width: 360px; margin: 80px auto; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.login-card h1 { margin-top: 0; }
.login-card form { display: flex; flex-direction: column; gap: 12px; }
.login-card label input { min-width: 0; width: 100%; }

.badge { background: #e7ecf5; color: var(--muted); padding: 2px 6px; border-radius: 4px; font-size: 11px; margin-left: 6px; }
code { background: #eef1f6; padding: 1px 6px; border-radius: 3px; font-size: 13px; }