:root {
  --bg: #0f1420;
  --panel: #171e2e;
  --panel2: #1d2639;
  --border: #2a3550;
  --text: #e4e9f4;
  --muted: #8b96ad;
  --accent: #4f8ef7;
  --green: #34c98e;
  --red: #f0564a;
  --amber: #f2a93b;
  --radius: 10px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 "Segoe UI", system-ui, sans-serif;
}
a { color: var(--accent); text-decoration: none; }

.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 18px 12px;
  display: flex; flex-direction: column; gap: 2px;
  position: sticky; top: 0; height: 100vh;
}
.logo { font-size: 16px; font-weight: 600; padding: 4px 10px 16px; letter-spacing: .3px; }
.logo span { color: var(--accent); }
.nav-item {
  padding: 9px 12px; border-radius: 8px; color: var(--muted);
  cursor: pointer; user-select: none; font-weight: 500;
}
.nav-item:hover { background: var(--panel2); color: var(--text); }
.nav-item.active { background: var(--accent); color: #fff; }
.sidebar .spacer { flex: 1; }

.main { flex: 1; padding: 20px 26px; min-width: 0; }
.topbar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-bottom: 18px;
}
.topbar h1 { font-size: 19px; font-weight: 600; margin-right: auto; }
select, input, button {
  background: var(--panel2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 11px; font: inherit; outline: none;
}
input:focus, select:focus { border-color: var(--accent); }
button { cursor: pointer; font-weight: 500; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--red); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
}
.card .label { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.card .value { font-size: 22px; font-weight: 600; }
.card .value.red { color: var(--red); }
.card .value.amber { color: var(--amber); }
.card .value.green { color: var(--green); }

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 16px;
}
.panel h2 { font-size: 14px; font-weight: 600; margin-bottom: 12px; color: var(--text); display: flex; align-items: center; gap: 8px; }
.panel h2 .tools { margin-left: auto; display: flex; gap: 6px; }
.panel h2 .tools button, .panel h2 .tools a { font-size: 12px; padding: 4px 9px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 1100px) { .grid2, .grid3 { grid-template-columns: 1fr; } }

.chart { width: 100%; height: 320px; }
.chart.tall { height: 420px; }
.chart.short { height: 260px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 12px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:hover td { background: var(--panel2); }
td.mono { font-family: Consolas, monospace; font-size: 12px; white-space: nowrap; max-width: 420px; overflow: hidden; text-overflow: ellipsis; }
.pill { display: inline-block; padding: 1px 9px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.pill.critical { background: #4a1512; color: #ff8a80; }
.pill.high { background: #4a3410; color: #ffd180; }
.pill.medium { background: #12324a; color: #81d4fa; }
.empty { color: var(--muted); padding: 24px; text-align: center; }

.form-row { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.form-row label { width: 220px; color: var(--muted); flex-shrink: 0; }
.form-row input, .form-row select { min-width: 260px; }
.hint { color: var(--muted); font-size: 12px; margin: 6px 0 14px; }
.msg { padding: 10px 14px; border-radius: 8px; margin: 10px 0; display: none; }
.msg.ok { background: #113527; color: var(--green); display: block; }
.msg.err { background: #3a1512; color: var(--red); display: block; }
.banner {
  background: #3a2a10; color: var(--amber); border: 1px solid #5a4218;
  padding: 10px 14px; border-radius: 8px; margin-bottom: 14px;
}

.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 36px; width: 360px;
}
.login-card h1 { font-size: 20px; margin-bottom: 6px; }
.login-card p { color: var(--muted); margin-bottom: 20px; font-size: 13px; }
.login-card input { width: 100%; margin-bottom: 12px; padding: 10px 12px; }
.login-card button { width: 100%; padding: 10px; }

.section { display: none; }
.section.active { display: block; }
.scroll-x { overflow-x: auto; }

.bell-wrap { position: relative; }
#bellBtn { position: relative; font-size: 16px; line-height: 1; padding: 7px 12px; }
.badge {
  position: absolute; top: -6px; right: -6px; background: var(--red); color: #fff;
  border-radius: 10px; font-size: 11px; font-weight: 600; padding: 1px 6px; min-width: 18px; text-align: center;
}
.bell-menu {
  display: none; position: absolute; right: 0; top: 44px; width: 380px; max-height: 420px; overflow-y: auto;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px; z-index: 50; padding: 6px;
}
.bell-menu.open { display: block; }
.bell-item { padding: 9px 10px; border-bottom: 1px solid var(--border); font-size: 13px; }
.bell-item:last-child { border-bottom: none; }
.bell-item .r { color: var(--muted); font-size: 12px; margin-top: 2px; }