:root {
  --bg: #0e0f11;
  --bg2: #1a1c20;
  --line: #2a2d33;
  --text: #e8e8eb;
  --text-dim: #8a8e96;
  --yelo: #ffd400;
  --bad: #ff4d5e;
  --good: #50d96b;
  --blue: #58a6ff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "SF Pro", Inter, system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
.hidden { display: none !important; }

#login {
  max-width: 380px; margin: 18vh auto; padding: 28px;
  background: var(--bg2); border: 1px solid var(--line); border-radius: 18px;
}
#login h1 { margin: 0 0 4px; font-size: 28px; letter-spacing: -.02em; }
#login .sub { color: var(--text-dim); font-size: 13px; margin: 0 0 18px; }
#login input { width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 12px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }
#login button { margin-top: 12px; width: 100%; background: var(--yelo); color: #111; border: 0; border-radius: 10px; padding: 12px; font-weight: 800; font-size: 14px; cursor: pointer; }
#login .err { color: var(--bad); font-size: 12px; min-height: 16px; margin: 8px 0 0; }

header {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 20px; border-bottom: 1px solid var(--line);
  background: var(--bg2); position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 900; font-size: 18px; letter-spacing: -.02em; }
.brand .sub { color: var(--text-dim); font-size: 11px; letter-spacing: .2em; margin-left: 6px; }
nav { display: flex; gap: 4px; flex: 1; }
nav button { background: transparent; color: var(--text-dim); border: 0; padding: 8px 12px; border-radius: 8px; font-family: inherit; font-size: 13px; font-weight: 600; cursor: pointer; }
nav button:hover { color: var(--text); }
nav button.active { background: var(--bg); color: var(--yelo); }
.right { display: flex; align-items: center; gap: 8px; }
#poll-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 6px var(--good); }
#poll-dot.stale { background: var(--bad); box-shadow: 0 0 6px var(--bad); }
header button { background: var(--bg); color: var(--text); border: 1px solid var(--line); padding: 6px 10px; border-radius: 8px; font-family: inherit; font-size: 12px; cursor: pointer; }
header button:hover { border-color: var(--text-dim); }

main { padding: 20px; max-width: 1280px; margin: 0 auto; }
h2 { font-size: 14px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); margin: 28px 0 12px; }

.grid.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 880px) { .grid.kpis { grid-template-columns: repeat(2, 1fr); } }
.kpi { background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.kpi-num { font-size: 28px; font-weight: 900; color: var(--yelo); letter-spacing: -.02em; }
.kpi-label { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); margin-top: 4px; }

#chart { width: 100%; height: 220px; background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; }
.legend { color: var(--text-dim); font-size: 12px; display: flex; gap: 14px; align-items: center; }
.lg { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; vertical-align: middle; }
.lg-signup  { background: var(--yelo); }
.lg-session { background: var(--blue); }
.lg-spot    { background: var(--good); }
.lg-reject  { background: var(--bad); }
.lg-chain   { background: #c77dff; }

.row.filters { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; }
select, .row.filters button { background: var(--bg2); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-family: inherit; font-size: 13px; cursor: pointer; }

table.data { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
table.data th, table.data td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
table.data th { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); font-weight: 700; background: var(--bg); }
table.data tr:hover td { background: rgba(255,212,0,.03); }
table.data td.mono, table.data td .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--text-dim); }
.pill { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 11px; font-weight: 700; }
.pill-alive { background: rgba(80,217,107,.15); color: var(--good); }
.pill-dead  { background: rgba(255,77,94,.15); color: var(--bad); }
.pill-type  { background: rgba(255,212,0,.1); color: var(--yelo); }
.props { color: var(--text-dim); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; max-width: 480px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }