:root {
  --bg: #f4f5f7; --card: #fff; --ink: #1c2330; --muted: #5f6b7d; --line: #dde1e8;
  --ok: #1a8f4c; --warn: #b7791f; --bad: #c8312b; --none: #8a94a6; --accent: #1f5fbf; --accent-ink: #fff;
  --chip: #eef1f6; --code: #f0f2f6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d; --card: #1b212b; --ink: #e8ecf2; --muted: #98a3b5; --line: #2c3442;
    --ok: #3ccf7a; --warn: #e3b04b; --bad: #ff6b63; --none: #7c879a; --accent: #5b9bff; --accent-ink: #0d1117;
    --chip: #262e3b; --code: #10141b;
  }
}
* { box-sizing: border-box; }
html { color-scheme: light dark; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.35rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 10px; }
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
.bar .grow { flex: 1 1 auto; }
button { font: inherit; cursor: pointer; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 8px; padding: 7px 14px; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button.danger { color: var(--bad); }
button.danger.armed { background: var(--bad); color: #fff; border-color: var(--bad); }
button:disabled { opacity: .5; cursor: default; }
input, textarea, select { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
label { display: block; font-size: .85rem; color: var(--muted); margin: 10px 0 4px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.stats { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.stat { flex: 1 1 120px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; }
.stat b { display: block; font-size: 1.6rem; line-height: 1.1; }
.stat span { color: var(--muted); font-size: .85rem; }
.list { display: grid; gap: 10px; }
.device { display: block; text-align: left; width: 100%; padding: 12px 16px; border-radius: 12px; }
.device .top { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.device .name { font-weight: 650; font-size: 1.05rem; }
.device .sub { color: var(--muted); font-size: .88rem; }
.dot { width: 12px; height: 12px; border-radius: 50%; flex: none; background: var(--none); }
.dot.ok { background: var(--ok); } .dot.warn { background: var(--warn); } .dot.bad { background: var(--bad); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip { background: var(--chip); border-radius: 999px; padding: 2px 10px; font-size: .82rem; color: var(--muted); }
.chip.bad { color: var(--bad); font-weight: 600; } .chip.warn { color: var(--warn); font-weight: 600; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); align-items: start; }
dl { margin: 0; display: grid; grid-template-columns: minmax(110px, 40%) 1fr; gap: 5px 12px; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }
.pill { display: inline-block; border-radius: 999px; padding: 2px 12px; font-weight: 600; font-size: .85rem; color: #fff; background: var(--none); }
.pill.ok { background: var(--ok); } .pill.warn { background: var(--warn); } .pill.bad { background: var(--bad); }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.checks li { display: grid; grid-template-columns: 14px 1fr; gap: 8px; align-items: start; }
.checks .dot { margin-top: 5px; width: 10px; height: 10px; }
.checks b { display: block; }
.checks span { color: var(--muted); font-size: .9rem; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 4px 8px 4px 0; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
th { color: var(--muted); font-weight: 500; font-size: .85rem; }
.meter { height: 8px; background: var(--chip); border-radius: 4px; overflow: hidden; margin: 3px 0 8px; }
.meter i { display: block; height: 100%; background: var(--accent); }
.meter i.bad { background: var(--bad); } .meter i.warn { background: var(--warn); }
.events { max-height: 380px; overflow: auto; font-size: .88rem; }
.events div { display: grid; grid-template-columns: 11ch 8ch 1fr; gap: 8px; padding: 3px 0; border-bottom: 1px solid var(--line); }
.events .error { color: var(--bad); } .events .warn { color: var(--warn); }
.events .src { color: var(--muted); }
pre { background: var(--code); border-radius: 8px; padding: 10px; overflow: auto; max-height: 340px; font-size: .8rem; margin: 8px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.note { color: var(--muted); font-size: .88rem; }
.error-text { color: var(--bad); }
.login { max-width: 360px; margin: 14vh auto 0; }
.code { font: 700 2.2rem/1.2 ui-monospace, Menlo, Consolas, monospace; letter-spacing: .12em; padding: 8px 0; user-select: all; }
.full { grid-column: 1 / -1; }
select { appearance: auto; }
input[type=file] { padding: 6px; }
a { color: var(--accent); }
.back { margin-bottom: 12px; }
@media (max-width: 560px) {
  main { padding: 12px 16px; }
  .grid { grid-template-columns: 1fr; }
  dl { grid-template-columns: 1fr; gap: 0; }
  dt { margin-top: 7px; font-size: .82rem; }
  .events div { grid-template-columns: 1fr; gap: 0; }
}

.section { font-size: 1rem; margin: 22px 0 10px; color: var(--muted); font-weight: 600; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .04em; }
a.button { display: inline-block; text-decoration: none; color: inherit; border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px; font-size: .9rem; background: transparent; }
a.button:hover { background: var(--card); }