:root {
  --bg: #0b1118;
  --panel: #111a24;
  --line: #1f2c3a;
  --ink: #e6edf3;
  --muted: #8b9bb0;
  --teal: #2e8b85;
  --teal-hi: #4fd1c5;
  --ok: #4fd1c5;
  --warn: #f2c14e;
  --fail: #ff5d73;
  --idle: #4a5a6e;
  --mono: ui-monospace, "Cascadia Mono", Consolas, Menlo, monospace;
  --sans: system-ui, "Segoe UI", Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 15px; }
body { padding: max(12px, env(safe-area-inset-top)) 16px 24px; max-width: 760px; margin: 0 auto; overflow-x: hidden; }
h1 { font-size: 17px; margin: 0; letter-spacing: .2px; }
h2 { font-family: var(--mono); font-size: 12px; color: var(--teal-hi); text-transform: uppercase; letter-spacing: 1px; margin: 18px 0 8px; font-weight: 600; }
.meta, .hint { color: var(--muted); font-size: 12px; margin: 2px 0 0; }
.hint { margin: 0 0 10px; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.icon-btn { background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; width: 38px; height: 38px; font-size: 18px; cursor: pointer; }
.banner { margin-top: 10px; padding: 8px 10px; border: 1px solid var(--warn); color: var(--warn); border-radius: 8px; font-size: 13px; }

.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
@media (min-width: 560px) { .tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; min-width: 0; }
.tile .k { font-family: var(--mono); font-size: 10.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .8px; }
.tile .v { font-family: var(--mono); font-size: 24px; font-weight: 700; margin-top: 4px; color: var(--teal-hi); }
.tile .v small { font-size: 14px; color: var(--muted); font-weight: 500; }
.tile .s { font-size: 12px; color: var(--muted); margin-top: 2px; }
.tile.warn .v { color: var(--warn); } .tile.fail .v { color: var(--fail); }

.tabs { display: flex; gap: 6px; overflow-x: auto; margin: 16px -16px 0; padding: 0 16px 2px; scrollbar-width: none; position: sticky; top: 0; background: var(--bg); z-index: 2; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { flex: 0 0 auto; background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; font-size: 13px; cursor: pointer; }
.tabs button[aria-selected="true"] { color: var(--bg); background: var(--teal-hi); border-color: var(--teal-hi); font-weight: 600; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 4px 12px 14px; margin-top: 10px; }

.core-wrap { position: relative; width: 100%; aspect-ratio: 1; max-width: 460px; margin: 0 auto; }
.core-wrap canvas { width: 100%; height: 100%; display: block; }
.core-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; pointer-events: none; }
.core-center b { font-family: var(--mono); font-size: 40px; background: rgba(11,17,24,.85); border: 1px solid var(--line); border-radius: 999px; padding: 4px 18px; }
.core-center span { color: var(--muted); font-size: 12px; margin-top: 4px; }
.legend { display: flex; gap: 6px 14px; flex-wrap: wrap; justify-content: center; color: var(--muted); font-size: 12px; align-items: center; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 4px; vertical-align: middle; }
.dot.ok { background: var(--ok); } .dot.warn { background: var(--warn); } .dot.fail { background: var(--fail); } .dot.idle { background: var(--idle); }

.list { display: grid; gap: 8px; }
.row { border: 1px solid var(--line); border-radius: 10px; padding: 10px; display: grid; gap: 4px; }
.row .head { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.row .name { font-weight: 600; overflow-wrap: anywhere; }
.row .sub { color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.badge { font-family: var(--mono); font-size: 11px; padding: 2px 7px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; }
.badge.ok { color: var(--ok); } .badge.warn { color: var(--warn); } .badge.fail { color: var(--fail); } .badge.idle { color: var(--idle); }
.bar { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--ok); }
.bar i.warn { background: var(--warn); } .bar i.fail { background: var(--fail); }

.flow-wrap { overflow-x: auto; margin: 0 -4px; }
#flow { display: block; min-width: 100%; }
#flow .edge { fill: none; stroke: var(--line); stroke-width: 1.5; }
#flow .pulse { fill: var(--teal-hi); }
#flow .node rect { fill: var(--bg); stroke: var(--line); rx: 8; }
#flow .node.ok rect { stroke: var(--teal); } #flow .node.warn rect { stroke: var(--warn); } #flow .node.fail rect { stroke: var(--fail); }
#flow .node text { fill: var(--ink); font-size: 11px; font-family: var(--sans); }
#flow .node text.k { fill: var(--muted); font-size: 9px; font-family: var(--mono); }
#flow .node { cursor: pointer; } #flow .node.sel rect { fill: #13303a; }
.detail { margin-top: 10px; border: 1px dashed var(--teal); border-radius: 10px; padding: 10px; font-size: 13px; }

.clock-wrap { max-width: 360px; margin: 0 auto; }
#clock text { fill: var(--muted); font-size: 10px; font-family: var(--mono); text-anchor: middle; dominant-baseline: middle; }
#clock .ring { fill: none; stroke: var(--line); }
#clock .bar-h { fill: var(--teal-hi); opacity: .85; }
#clock .next { fill: var(--warn); }
#clock .hand { stroke: var(--ink); stroke-width: 2; stroke-linecap: round; }
#clock .center-n { fill: var(--ink); font-size: 26px; font-weight: 700; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.chips button { background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 5px 10px; font-size: 12px; cursor: pointer; }
.chips button[aria-pressed="true"] { color: var(--ink); border-color: var(--teal-hi); }
.log { display: grid; }
.log .item { display: grid; grid-template-columns: 74px 1fr auto; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.log .t { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.log .what { min-width: 0; } .log .what b { font-weight: 600; font-size: 14px; } .log .what span { display: block; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.empty { color: var(--muted); font-size: 13px; padding: 8px 0; }
.foot { color: var(--muted); font-size: 11px; text-align: center; margin-top: 18px; }
button:focus-visible { outline: 2px solid var(--teal-hi); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { #flow .pulse { display: none; } }