:root {
  --bg: #0A0A0A; --surface: #161616; --surface-2: #262626;
  --text: #F5F5F5; --muted: #A3A3A3; --border: #262626;
  --brand: #D91F26; --error: #DC3545; --success: #28A745;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--brand); }
code { background: var(--surface-2); padding: 1px 6px; border-radius: 4px; font-size: 0.9em; }
.wrap { max-width: 720px; margin: 0 auto; padding: 32px 20px 80px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
.logo { width: 44px; height: 44px; border-radius: 12px; background: rgba(217,31,38,0.15); border: 1px solid rgba(217,31,38,0.35); display: grid; place-items: center; color: var(--brand); font-size: 22px; }
h1 { margin: 0 0 4px; font-size: 22px; letter-spacing: 0.5px; }
header p { margin: 0; color: var(--muted); font-size: 13px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 24px; }
.card h2 { margin: 20px 0 8px; font-size: 16px; letter-spacing: 0.2px; }
.card h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--muted); font-size: 14px; line-height: 1.65; }
.prose ul { padding-left: 20px; margin: 8px 0 16px; }
.nav { display: flex; gap: 20px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; font-size: 13px; }
.nav a:hover { color: var(--text); }