:root {
  --bg: #f6f6f4;
  --panel: #ffffff;
  --panel-2: #fbfbfa;
  --ink: #1a1a19;
  --ink-2: #5c5c57;
  --ink-3: #8a8a83;
  --line: #e2e1dc;
  --accent: #1f6feb;
  --accent-ink: #ffffff;
  --ok: #1a7f4b;
  --warn: #9a6700;
  --bad: #b3261e;
  --chip: #eeeeea;
  --radius: 8px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16161a;
    --panel: #1e1e23;
    --panel-2: #24242a;
    --ink: #ececf0;
    --ink-2: #a9a9b4;
    --ink-3: #74747f;
    --line: #32323a;
    --accent: #4c8dff;
    --ok: #3fb87a;
    --warn: #d9a441;
    --bad: #ff6b61;
    --chip: #2c2c34;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
code, .mono, input, select, textarea, button { font-family: var(--mono); }
input, select, textarea {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 9px;
  font-size: 13px;
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); margin-bottom: 4px; }
.field { margin-bottom: 10px; }
button {
  background: var(--panel-2);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 12px;
  font-size: 13px;
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--ink-3); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.danger { color: var(--bad); }
button.small { padding: 3px 8px; font-size: 12px; }

.loading { padding: 40px; color: var(--ink-3); font-family: var(--mono); }

/* ------------------------------------------------------------------ shell */
header.top {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
header.top .brand { font-family: var(--mono); font-weight: 600; letter-spacing: -.02em; }
header.top nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
header.top nav button { background: none; border: 1px solid transparent; }
header.top nav button.on { background: var(--chip); border-color: var(--line); }
header.top .who { color: var(--ink-3); font-size: 12px; font-family: var(--mono); }

main { padding: 18px; max-width: 1400px; margin: 0 auto; }
h2 { font-size: 15px; margin: 0 0 12px; font-weight: 600; }
h3 { font-size: 13px; margin: 18px 0 8px; font-weight: 600; color: var(--ink-2); }
p.hint { color: var(--ink-3); font-size: 12px; margin: 4px 0 12px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 12px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 12px; }

/* ------------------------------------------------------------------ table */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); font-weight: 500; padding: 6px 8px; border-bottom: 1px solid var(--line); }
td { padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr.clickable:hover td { background: var(--panel-2); cursor: pointer; }
tr.selected td { background: var(--chip); }
td.num, th.num { text-align: right; font-family: var(--mono); }

.chip { display: inline-block; padding: 1px 7px; border-radius: 99px; background: var(--chip); font-size: 11px; font-family: var(--mono); color: var(--ink-2); white-space: nowrap; }
.chip.ok { color: var(--ok); }
.chip.warn { color: var(--warn); }
.chip.bad { color: var(--bad); }
.chip.on { background: var(--accent); color: var(--accent-ink); }

.muted { color: var(--ink-3); }
.small { font-size: 12px; }
.mono { font-family: var(--mono); }
.nowrap { white-space: nowrap; }

.banner { border-radius: 6px; padding: 9px 12px; margin-bottom: 12px; font-size: 13px; border: 1px solid var(--line); }
.banner.bad { border-color: var(--bad); color: var(--bad); }
.banner.warn { border-color: var(--warn); color: var(--warn); }
.banner.ok { border-color: var(--ok); color: var(--ok); }

/* ------------------------------------------------------------------ modal */
.backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: flex-start; justify-content: center; padding: 30px 16px; overflow: auto; z-index: 50; }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); width: min(880px, 100%); padding: 18px; }
.modal h2 { display: flex; justify-content: space-between; align-items: center; }

/* ------------------------------------------------------------------ gate */
.gate { max-width: 380px; margin: 8vh auto; }
.gate .panel { padding: 22px; }
.gate .brand { font-family: var(--mono); font-size: 18px; margin-bottom: 4px; }
.tabs { display: flex; gap: 6px; margin-bottom: 14px; }

ul.plain { list-style: none; padding: 0; margin: 0; }
ul.plain li { padding: 3px 0; }
ul.bullets { margin: 4px 0 10px 18px; padding: 0; }
pre.out { background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 10px; overflow: auto; font-size: 12px; max-height: 320px; }
.spinner::after { content: '·'; animation: dots 1s steps(4) infinite; }
@keyframes dots { 0% { content: '·'; } 25% { content: '··'; } 50% { content: '···'; } 75% { content: '····'; } }