:root { --bg: #05020f; --panel: #0c0820; --ink: #eaf6ff; --body: #c9c3ea; --dim: #9a8fd6; --line: #2a2160;
        --pink: #FF3D91; --cyan: #1DE9FF; --amber: #FFAA2B; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--body); line-height: 1.65; font-size: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-image: linear-gradient(rgba(114,91,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(114,91,255,.07) 1px, transparent 1px);
  background-size: 48px 48px; }
.mono, h1, h2, h3, nav, .btn, footer { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
header { max-width: 760px; margin: 0 auto; padding: 18px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: 4px; text-shadow: 0 0 8px var(--pink); }
nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; letter-spacing: 2px; }
nav a { color: var(--dim); text-decoration: none; }
nav a:hover, nav a[aria-current] { color: var(--cyan); }
main { max-width: 760px; margin: 0 auto; padding: 8px 16px 48px; }
h1 { color: var(--ink); font-size: clamp(28px, 7vw, 44px); letter-spacing: 4px; margin: 24px 0 8px; line-height: 1.15;
  text-shadow: 0 0 10px var(--pink), 0 0 26px rgba(255,61,145,.6); }
h2 { color: var(--cyan); font-size: 18px; letter-spacing: 3px; margin: 36px 0 10px; }
h3 { color: var(--ink); font-size: 15px; letter-spacing: 2px; margin: 22px 0 6px; }
.lede { font-size: 18px; color: var(--ink); }
a { color: var(--cyan); }
.btn { display: inline-block; padding: 14px 26px; border: 2px solid var(--cyan); border-radius: 10px; color: var(--cyan);
  text-decoration: none; letter-spacing: 4px; font-weight: 700; box-shadow: 0 0 12px rgba(29,233,255,.45), inset 0 0 12px rgba(29,233,255,.2); }
.btn:hover, .btn:focus-visible { background: rgba(29,233,255,.08); outline: none; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin: 18px 0; }
.card h2 { margin-top: 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--dim); font-weight: 600; font-size: 13px; letter-spacing: 1px; }
.table-wrap { overflow-x: auto; }
kbd { font-family: ui-monospace, Menlo, monospace; font-size: 13px; padding: 1px 6px; border: 1px solid var(--line); border-radius: 4px; color: var(--ink); background: #140e33; }
ul, ol { padding-left: 22px; }
li { margin: 4px 0; }
footer { max-width: 760px; margin: 0 auto; padding: 24px 16px 40px; border-top: 1px solid var(--line); font-size: 12px; color: var(--dim); letter-spacing: 1px;
  display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between; }
footer a { color: var(--dim); }