:root {
  --bg: #0d1117; --bg2: #161b22; --bg3: #1c2430;
  --line: #2b3340; --txt: #e6edf3; --muted: #8b949e;
  --up: #3fb950; --down: #f85149; --part: #d29922; --none: #4d5662;
  --accent: #58a6ff; --radius: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--txt); -webkit-font-smoothing: antialiased; }

header {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px 24px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg2), var(--bg)); position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 30px; }
h1 { font-size: 19px; margin: 0; letter-spacing: .2px; }
.sub { color: var(--muted); font-size: 13px; }
.hdr-right { text-align: right; }
.meta { color: var(--muted); font-size: 12px; margin-top: 6px; }

.banner {
  display: inline-flex; align-items: center; gap: 9px; padding: 8px 16px;
  border-radius: 999px; font-weight: 600; font-size: 14px; border: 1px solid var(--line);
}
.banner .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--none); }
.banner.up    { background: rgba(63,185,80,.12);  color: var(--up);   border-color: rgba(63,185,80,.4); }
.banner.up .dot { background: var(--up); box-shadow: 0 0 0 4px rgba(63,185,80,.18); }
.banner.down  { background: rgba(248,81,73,.12);  color: var(--down); border-color: rgba(248,81,73,.4); }
.banner.down .dot { background: var(--down); box-shadow: 0 0 0 4px rgba(248,81,73,.18); }
.banner.degraded { background: rgba(210,153,34,.12); color: var(--part); border-color: rgba(210,153,34,.4); }
.banner.degraded .dot { background: var(--part); box-shadow: 0 0 0 4px rgba(210,153,34,.18); }
.banner.unknown { color: var(--muted); }

main { max-width: 1080px; margin: 0 auto; padding: 22px 24px 60px; }

/* chain */
.chain { display: flex; align-items: stretch; gap: 0; flex-wrap: wrap; margin-bottom: 22px; }
.hop { flex: 1 1 0; min-width: 120px; background: var(--bg2); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px; position: relative; }
.hop .name { font-size: 13px; font-weight: 600; }
.hop .desc { font-size: 11px; color: var(--muted); margin-top: 3px; word-break: break-all; }
.hop .pill { position: absolute; top: 10px; right: 10px; width: 9px; height: 9px; border-radius: 50%; background: var(--none); }
.hop.up .pill { background: var(--up); } .hop.down .pill { background: var(--down); }
.hop.part .pill { background: var(--part); }
.arrow { display: flex; align-items: center; color: var(--muted); padding: 0 6px; font-size: 18px; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-bottom: 22px; }
.card { background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; border-left: 4px solid var(--none); }
.card.up   { border-left-color: var(--up); }
.card.down { border-left-color: var(--down); }
.card.part { border-left-color: var(--part); }
.card .top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.card .label { font-weight: 600; font-size: 14px; }
.card .blurb { color: var(--muted); font-size: 12px; margin-top: 2px; }
.card .state { font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 6px; white-space: nowrap; }
.state.up { color: var(--up); background: rgba(63,185,80,.12); }
.state.down { color: var(--down); background: rgba(248,81,73,.12); }
.state.part { color: var(--part); background: rgba(210,153,34,.12); }
.state.none { color: var(--muted); background: var(--bg3); }
.card .detail { font-size: 12px; color: var(--muted); margin-top: 12px; line-height: 1.5; }
.card .nums { display: flex; gap: 16px; margin-top: 10px; }
.card .num b { font-size: 16px; } .card .num span { display: block; color: var(--muted); font-size: 11px; }

/* panels */
.panel { background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 20px; }
.panel-h { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.panel-h h2 { font-size: 15px; margin: 0; }
.muted { color: var(--muted); font-size: 12px; }
.legend { display: flex; gap: 12px; color: var(--muted); font-size: 11px; margin-left: auto; }
.legend i.seg { display: inline-block; width: 10px; height: 10px; border-radius: 2px; vertical-align: -1px; margin-right: 3px; }
.seg.up { background: var(--up); } .seg.down { background: var(--down); } .seg.part { background: var(--part); } .seg.none { background: var(--none); }
.win button { background: var(--bg3); color: var(--muted); border: 1px solid var(--line); padding: 4px 10px; font-size: 12px; cursor: pointer; }
.win button:first-child { border-radius: 6px 0 0 6px; } .win button:last-child { border-radius: 0 6px 6px 0; }
.win button.on { color: var(--txt); background: var(--accent); border-color: var(--accent); }

/* tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; padding: 8px 10px; border-bottom: 1px solid var(--line); }
td { padding: 10px; border-bottom: 1px solid var(--bg3); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
.mounts td.mp { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 600; }
.pillst { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--none); }
.pillst.up { background: var(--up); } .pillst.down { background: var(--down); }
.timeline { display: flex; gap: 1px; height: 26px; align-items: stretch; min-width: 140px; }
.timeline i { flex: 1; background: var(--none); border-radius: 1px; }
.timeline i.up { background: var(--up); } .timeline i.down { background: var(--down); } .timeline i.part { background: var(--part); }
td.tl { width: 200px; }
.hint { color: var(--muted); font-size: 12px; margin: 12px 0 0; padding: 10px 12px; background: var(--bg3); border-radius: 8px; }
.hint code { color: var(--accent); }

.incidents .ok { color: var(--up); } .incidents .ongoing { color: var(--down); font-weight: 600; }
.empty { color: var(--muted); text-align: center; padding: 18px; }
.hb { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 12px; font-size: 12px; color: var(--muted); overflow-x: auto; margin: 0; max-height: 240px; }

/* controls */
.ctl-row { display: flex; align-items: center; gap: 14px; }
.btn { background: var(--bg3); color: var(--txt); border: 1px solid var(--line); padding: 9px 16px; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn.danger { color: var(--down); border-color: rgba(248,81,73,.4); }
.btn.danger:hover { background: rgba(248,81,73,.12); border-color: var(--down); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* events */
.events td { font-size: 12px; }
.events td.k { color: var(--muted); width: 160px; }
.events td.when { color: var(--muted); width: 180px; }

footer { max-width: 1080px; margin: 0 auto; padding: 16px 24px 40px; display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }

@media (max-width: 640px) {
  header { flex-direction: column; align-items: flex-start; }
  .hdr-right { text-align: left; }
  td.tl, .timeline { display: none; }
}