:root {
  --bg: #050b17;
  --panel: #0b1a2e;
  --line: #1d3b66;
  --text: #e8f1ff;
  --muted: #8aa0c2;
  --cyan: #3fd2ff;
  --violet: #9b6bff;
  --good: #3ddc97;
  --bad: #ff6b81;
  --warn: #ffc857;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, 'Segoe UI', Roboto, Arial, sans-serif; }
a { color: var(--cyan); }
h1, h2, h3 { margin: 0 0 12px; }
h1 { font-size: 20px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.pad { padding: 24px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; }
header.top { display: flex; align-items: center; gap: 14px; padding: 12px 20px; border-bottom: 1px solid var(--line); background: #08142a; position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
header.top .brand { font-weight: 800; letter-spacing: 1px; background: linear-gradient(90deg, var(--cyan), var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
nav button { background: none; border: 0; color: var(--muted); padding: 8px 12px; border-radius: 10px; cursor: pointer; font: inherit; }
nav button.on { background: #12294a; color: var(--text); }
main { max-width: 1100px; margin: 0 auto; padding: 20px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.card .n { font-size: 26px; font-weight: 800; }
.card .l { color: var(--muted); font-size: 13px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-bottom: 18px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #14284a; vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
tr.link { cursor: pointer; }
tr.link:hover { background: #0e2240; }
input, select, textarea { background: #06101f; color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 9px 11px; font: inherit; max-width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--cyan); outline-offset: 1px; }
textarea { width: 100%; min-height: 70px; }
button.btn { background: #12294a; color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; cursor: pointer; font: inherit; }
button.btn:hover { border-color: var(--cyan); }
button.primary { background: linear-gradient(90deg, #1b8fb8, #6d49d6); border-color: transparent; }
button.danger { background: #3a1522; border-color: #7a2a42; color: #ffb3c0; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; border: 1px solid var(--line); }
.badge.good { color: var(--good); border-color: #1d6b4c; }
.badge.bad { color: var(--bad); border-color: #7a2a42; }
.badge.warn { color: var(--warn); border-color: #7a5d1d; }
.err { color: var(--bad); }
.ok { color: var(--good); }
.login { max-width: 380px; margin: 12vh auto; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 26px; }
.login input { width: 100%; margin: 8px 0; }
.chart { display: flex; align-items: flex-end; gap: 3px; height: 90px; margin-top: 6px; }
.chart div { flex: 1; background: linear-gradient(0deg, #1b8fb8, #6d49d6); border-radius: 3px 3px 0 0; min-height: 2px; }
.chart.logins div { background: linear-gradient(0deg, #1d6b4c, #3ddc97); }
.kv td:first-child { color: var(--muted); width: 38%; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: #12294a; border: 1px solid var(--cyan); padding: 10px 16px; border-radius: 12px; z-index: 20; }
@media (max-width: 640px) { main { padding: 12px; } th:nth-child(n+4), td:nth-child(n+4) { display: none; } }
.wide { width: 100%; }
.mt { margin-top: 12px; }
.w210 { width: 210px; }
.w120 { width: 120px; }