:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3d8bfd;
  --accent2: #2eb85c;
  --danger: #e55353;
  --border: #2d3a4f;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 960px; margin: 0 auto; padding: 1.5rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}
h1 { font-size: 1.5rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.15rem; margin: 0 0 0.75rem; color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); font-size: 0.9rem; }
.row { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.25rem; }
input, select, textarea, button {
  font: inherit;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #121a26;
  color: var(--text);
  width: 100%;
  max-width: 320px;
}
button, .btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  padding: 0.5rem 1rem;
  width: auto;
  text-decoration: none;
  border-radius: 6px;
}
button.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ok { background: var(--accent2); }
.btn-danger { background: var(--danger); }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.5rem 0.4rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: #243044;
  color: var(--muted);
}
.nav { margin-bottom: 1.5rem; display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.nav strong { margin-right: auto; }
.err { color: var(--danger); font-size: 0.9rem; margin-top: 0.5rem; }
.grid-2 { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }