:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #020617;
  color: #cbd5e1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 0%, rgba(6, 182, 212, .10), transparent 32rem),
    radial-gradient(circle at 85% 8%, rgba(124, 58, 237, .08), transparent 30rem),
    #020617;
  line-height: 1.7;
}

a { color: #22d3ee; }
a:hover { color: #67e8f9; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid #172033;
  background: rgba(2, 6, 23, .88);
  backdrop-filter: blur(14px);
}

.header-inner,
.page,
.site-footer {
  width: min(100% - 2rem, 860px);
  margin-inline: auto;
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.brand span { color: #22d3ee; }

.back {
  font-size: .86rem;
  font-weight: 700;
  text-decoration: none;
}

.page { padding: 4.5rem 0 3rem; }

.eyebrow {
  margin: 0 0 .5rem;
  color: #22d3ee;
  font: 800 .75rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1, h2 { color: #f8fafc; line-height: 1.2; }
h1 { margin: 0 0 .75rem; font-size: clamp(2.2rem, 8vw, 4rem); }
h2 { margin: 2.5rem 0 .75rem; font-size: 1.25rem; }
p, li { color: #aab6c8; }
.updated { color: #7f8da3; font-size: .9rem; }

.notice {
  margin: 2rem 0;
  padding: 1rem 1.15rem;
  border: 1px solid rgba(34, 211, 238, .25);
  border-radius: 14px;
  background: rgba(8, 47, 73, .22);
}

ul { padding-left: 1.25rem; }
li + li { margin-top: .45rem; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid #172033;
  border-radius: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  font-size: .9rem;
}

th, td {
  padding: .9rem 1rem;
  border-bottom: 1px solid #172033;
  text-align: left;
  vertical-align: top;
}

th { color: #f8fafc; background: rgba(15, 23, 42, .75); }
td { color: #aab6c8; }
tbody tr:last-child td { border-bottom: 0; }
code { color: #67e8f9; }

.site-footer {
  padding: 2rem 0 3.5rem;
  border-top: 1px solid #172033;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.25rem;
  font-size: .82rem;
}

.site-footer a { text-decoration: none; }

@media (max-width: 520px) {
  .header-inner { min-height: 64px; }
  .page { padding-top: 3rem; }
}
