:root {
  --bg: #0e1a1e; --panel: #15262b; --ink: #e6f0f2; --soft: #8fa5ab; --line: #26404a; --signal: #2fd4c1; --bad: #ff7a6b; --ok: #5ddc9a;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #eef3f5; --panel: #fff; --ink: #16262b; --soft: #55696f; --line: #cbd9de; --signal: #0b7f76; --bad: #b3261e; --ok: #1b7a4b; color-scheme: light; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.45 system-ui, sans-serif; }
#app { padding: 16px; max-width: 1100px; margin: 0 auto; }
h1 { margin: 0; font-size: 20px; }
.muted { color: var(--soft); margin: 2px 0; }
.row { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
input { flex: 1 1 220px; min-width: 0; padding: 8px 10px; background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 6px; }
button { padding: 8px 12px; background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 6px; cursor: pointer; }
button.primary { background: var(--signal); color: #04201d; border-color: var(--signal); font-weight: 600; }
button:disabled { opacity: .6; cursor: progress; }
.probe { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; margin: 8px 0; }
.probe summary { cursor: pointer; display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.facts { margin-left: auto; color: var(--soft); font-size: 12px; }
.badge { padding: 1px 8px; border-radius: 10px; font-size: 12px; border: 1px solid currentColor; }
.badge.ok { color: var(--ok); }
.badge.bad { color: var(--bad); }
pre { max-height: 320px; overflow: auto; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 8px; white-space: pre-wrap; word-break: break-word; font-size: 12px; }
.boot { color: var(--soft); }