:root {
  --bg: #0b0f1a;
  --panel: #0f172a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22c55e;
  --card: #111827;
  --border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, var(--bg), #0d1324);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell,
    Noto Sans, sans-serif;
}

.wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 20px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.logo {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: #0f172a;
  border-radius: 10px;
}

.logo svg {
  width: 24px;
  height: 24px;
}

h1 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin: 0;
}

h2 {
  font-size: 1.15rem;
  margin-top: 1.6rem;
  color: #cbd5e1;
}

h3 {
  font-size: 1rem;
  margin-top: 1.2rem;
  color: #e2e8f0;
}

.card {
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: saturate(140%) blur(6px);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.muted {
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.9rem;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
}

.nav a.active {
  color: #fff;
  font-weight: 600;
}

footer {
  margin-top: 32px;
  color: #94a3b8;
  font-size: 0.9rem;
}

code {
  background: #0f172a;
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  font-size: 0.85em;
}

ul,
ol {
  padding-left: 1.4rem;
}

li {
  margin: 0.25rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0;
  font-size: 0.92rem;
}

th,
td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #0f172a;
  font-weight: 600;
  color: #cbd5e1;
}

p strong {
  color: #f1f5f9;
}

.lead {
  font-size: 1.02rem;
  color: #cbd5e1;
}