:root {
  --bg: #0a0b0a; --panel: #111311; --ink: #e9e7e0; --dim: #8b897f;
  --line: #23261e; --accent: #c8ff3d; --err: #ff6b6b;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; }
header { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 14px 20px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(10,11,10,.93); backdrop-filter: blur(6px); z-index: 5; }
.brand { letter-spacing: .22em; font-weight: 700; }
.brand span { color: var(--accent); }
.top { display: flex; gap: 8px; flex-wrap: wrap; }
.pill { border: 1px solid var(--line); padding: 5px 9px; font-size: 11px; letter-spacing: .12em; color: var(--dim); }
main { max-width: 1080px; margin: 0 auto; padding: 20px 16px 70px; }
h1 { font-size: clamp(24px, 5.5vw, 46px); line-height: 1.04; margin: 18px 0 10px; letter-spacing: -.02em; }
h2 { font-size: 13px; letter-spacing: .18em; color: var(--dim); margin: 0 0 12px; }
h3 { font-size: 11px; letter-spacing: .18em; color: var(--dim); margin: 16px 0 6px; }
.sub { color: var(--dim); max-width: 78ch; }
.fine { color: var(--dim); font-size: 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; margin: 14px 0; }
.card { border: 1px solid var(--line); background: var(--panel); padding: 16px; margin: 14px 0; }
.kv { display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px dashed var(--line); padding: 6px 0; font-size: 13px; }
.kv span { color: var(--dim); font-size: 11px; letter-spacing: .1em; }
code { color: var(--accent); word-break: break-all; }
.band { font-size: 30px; font-weight: 700; letter-spacing: .04em; color: var(--accent); }
.band.ok { color: var(--accent); } .band.bad, .bad { color: var(--err); }
.btn { background: transparent; color: var(--ink); border: 1px solid var(--line); padding: 8px 12px; font: inherit; cursor: pointer; letter-spacing: .08em; }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 5px; border-bottom: 1px solid var(--line); }
th { color: var(--dim); font-size: 10px; letter-spacing: .12em; }
tbody tr:hover { background: #151813; }
details summary { cursor: pointer; color: var(--dim); font-size: 12px; margin-top: 8px; }
ul { color: var(--dim); font-size: 12px; }
.how { color: var(--dim); padding-left: 18px; }
.how b { color: var(--ink); }
footer { text-align: center; color: var(--dim); font-size: 12px; padding: 22px 16px 40px; border-top: 1px solid var(--line); }
.marker { color: var(--accent); }