:root {
  --bg: #0f1117;
  --panel: #1a1d27;
  --border: #2a2f3d;
  --text: #e8eaef;
  --muted: #8b93a7;
  --brand: #5865f2;
  --danger: #ed4245;
  --success: #57f287;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
.hidden { display: none !important; }
.screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card {
  width: 100%; max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 0 40px rgba(88, 101, 242, 0.15);
}
.login-card h1 { margin: 0 0 6px; font-size: 1.4rem; }
.sub { color: var(--muted); margin: 0 0 20px; font-size: 0.85rem; }
label { display: block; font-size: 0.8rem; color: var(--muted); margin: 12px 0 6px; }
input {
  width: 100%; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: #12151c; color: var(--text);
}
.btn {
  border: none; border-radius: 8px; padding: 10px 16px;
  cursor: pointer; font-weight: 600; color: #fff;
}
.btn.primary { background: var(--brand); width: 100%; margin-top: 16px; }
.btn.danger { background: var(--danger); }
.btn.secondary { background: #3c4254; }
.btn.xs { padding: 6px 10px; font-size: 0.75rem; }
.error { color: var(--danger); font-size: 0.85rem; margin-top: 10px; }
#dashboard { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--panel);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 16px;
}
.brand { font-weight: 800; margin-bottom: 20px; color: var(--brand); }
.nav {
  display: block; width: 100%; text-align: right;
  background: none; border: none; color: var(--text);
  padding: 10px 12px; border-radius: 8px; cursor: pointer; margin-bottom: 4px;
}
.nav.active, .nav:hover { background: rgba(88, 101, 242, 0.15); }
.sidebar-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 0.85rem; color: var(--muted); }
.main { padding: 20px 24px; overflow: auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.topbar h2 { margin: 0; }
.link { color: var(--brand); text-decoration: none; font-size: 0.9rem; }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
.stat-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px;
}
.stat-card .num { font-size: 1.8rem; font-weight: 800; color: var(--brand); }
.stat-card .lbl { color: var(--muted); font-size: 0.8rem; margin-top: 4px; }
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: right; }
th { background: var(--panel); color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: none; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.72rem; }
.badge.ok { background: rgba(87, 242, 135, 0.15); color: var(--success); }
.badge.bad { background: rgba(237, 66, 69, 0.15); color: var(--danger); }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
@media (max-width: 768px) {
  #dashboard { grid-template-columns: 1fr; }
  .sidebar { border-left: none; border-bottom: 1px solid var(--border); }
}