* { box-sizing: border-box; }

:root {
  --bg: #000;
  --fg: #fff;
  --muted: #aaa;
  --line: #fff;
  --soft: #080808;
}

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.45 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

header {
  position: sticky;
  top: 0;
  z-index: 3;
  background: #000;
  border-bottom: 1px solid #fff;
  min-height: 54px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

header span, .muted, .eyebrow {
  color: var(--muted);
}

a {
  color: #fff;
  text-decoration: none;
  border: 1px solid #fff;
  padding: 6px 8px;
  display: inline-block;
  margin-left: 4px;
}

a:hover {
  background: #fff;
  color: #000;
}

main {
  padding: 12px;
}

.hero {
  border: 1px solid #fff;
  padding: 14px;
  display: grid;
  grid-template-columns: 1fr minmax(280px, 440px);
  gap: 12px;
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(34px, 7vw, 88px);
  line-height: .9;
  letter-spacing: -.08em;
  margin: 12px 0;
}

h2 {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
  font-size: 12px;
}

.panel {
  border: 1px solid #fff;
  background: var(--soft);
  padding: 12px;
  margin-bottom: 12px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}

.mini {
  grid-template-columns: repeat(2, 1fr);
}

.mini > div, .card {
  border: 1px solid #fff;
  background: #000;
  padding: 10px;
}

.mini b {
  display: block;
  font-size: 40px;
}

.mini span {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 11px;
}

.card h3 {
  margin: 0 0 8px;
}

.badge {
  display: inline-block;
  border: 1px solid #fff;
  padding: 2px 6px;
  margin: 2px 2px 2px 0;
  text-transform: uppercase;
  font-size: 11px;
}

.ok { background: #fff; color: #000; }
.fail { border-style: double; }

pre {
  white-space: pre-wrap;
  border: 1px solid #fff;
  padding: 10px;
  background: #000;
  overflow: auto;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  header { align-items: flex-start; flex-direction: column; }
}