:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --border: #d7dde4;
  --text: #1f2328;
  --muted: #5b6570;
  --ok: #1a7f37;
  --bad: #d1242f;
  --banned: #bf5000;
  --unknown: #6e7781;
  --http: #d1242f;
  --accent: #0969da;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg); color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 14px;
}
.topbar {
  display: flex; align-items: baseline; gap: 16px;
  padding: 14px 24px; border-bottom: 1px solid var(--border);
  background: var(--panel); position: sticky; top: 0; z-index: 10;
}
.brand { font-size: 20px; font-weight: 800; color: var(--accent); }
.sub { color: var(--muted); }
.ticker { margin-left: auto; color: var(--muted); font-size: 12px; }

.kpis { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 12px; padding: 20px 24px; }
.kpi {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 16px; text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.kpi > .l { color: var(--muted); font-size: 12px; line-height: 1.3; min-height: 2.6em; display: flex; align-items: center; }
.kpi > .v { font-size: 26px; font-weight: 700; margin-top: 2px; }
.kpi.ok .v { color: var(--ok); }
.kpi.bad .v { color: var(--bad); }
.kpi.warn .v { color: var(--banned); }

.panel { margin: 0 24px 20px; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; }
.panel h2 { font-size: 15px; margin-bottom: 12px; color: var(--text); }
.chart { height: 220px; }

.filters { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.filters input, .filters select {
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 8px 12px; font-size: 13px;
}
.filters input { flex: 1; min-width: 220px; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { text-align: center; color: var(--muted); font-size: 12px; cursor: pointer; user-select: none; }
th.sort-active { color: var(--text); }
td { text-align: left; }
tr:hover td { background: rgba(9,105,218,.04); }
tbody tr { cursor: pointer; }

.badge {
  display: inline-block; padding: 2px 10px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
}
.badge.OK { background: rgba(46,204,113,.15); color: var(--ok); }
.badge.BANNED { background: rgba(230,126,34,.15); color: var(--banned); }
.badge.DNS_FAIL, .badge.CONNECT_FAIL, .badge.TLS_FAIL, .badge.TIMEOUT, .badge.HTTP_ERR {
  background: rgba(231,76,60,.15); color: var(--bad);
}
.badge.UNKNOWN { background: rgba(127,140,141,.15); color: var(--unknown); }

.up-cell { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.uptime-bar { width: 90px; height: 8px; background: var(--bg); border-radius: 4px; overflow: hidden; display: inline-block; vertical-align: middle; flex-shrink: 0; }
#courts a { color: var(--accent); text-decoration: none; }
#courts a:hover { text-decoration: underline; }
.uptime-bar i { display: block; height: 100%; background: var(--ok); }
.uptime-bar i.down { background: var(--bad); }

.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.4);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal[hidden] { display: none; }
.modal-box {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  width: min(900px, 94vw); padding: 20px; position: relative;
}
.modal-box h3 { margin-bottom: 14px; }
.close { position: absolute; top: 10px; right: 14px; background: none; border: none; color: var(--muted); font-size: 22px; cursor: pointer; }