:root {
  --bg: #eef7f9;
  --bg2: #f3eef9;
  --card: rgba(255, 255, 255, 0.72);
  --ink: #10202a;
  --soft: #4a5d6a;
  --line: rgba(16, 32, 42, 0.1);
  --accent: #6b55a8;
  --deep: #123e5c;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1733;
    --bg2: #2b2148;
    --card: rgba(255, 255, 255, 0.06);
    --ink: #f3eefb;
    --soft: #b9b1cc;
    --line: rgba(255, 255, 255, 0.12);
    --accent: #c9b8f2;
    --deep: #a0d9e5;
  }
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(170deg, var(--bg) 0%, var(--bg2) 100%) fixed;
  color: var(--ink);
  font: 17px/1.6 ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); text-underline-offset: 2px; }

.top {
  max-width: 760px;
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.brand img { width: 36px; height: 36px; border-radius: 9px; }

.top nav { display: flex; gap: 6px; }

.top nav a {
  padding: 7px 14px;
  border-radius: 999px;
  color: var(--soft);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}

.top nav a[aria-current="page"] { background: var(--card); color: var(--ink); }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 36px 22px 24px;
}

.kicker {
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 6px 0 4px;
  font-size: clamp(34px, 7vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.updated { margin: 0 0 28px; color: var(--soft); font-size: 15px; }

h2 { margin: 40px 0 8px; font-size: 22px; line-height: 1.3; }

h3 { margin: 24px 0 6px; font-size: 18px; }

p, li { color: var(--ink); }

ul { padding-left: 22px; }

li { margin: 6px 0; }

.callout {
  margin: 0 0 8px;
  padding: 18px 20px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.table { overflow-x: auto; margin: 12px 0; }

table { width: 100%; border-collapse: collapse; font-size: 15px; }

th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }

th { color: var(--soft); font-weight: 700; }

footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 22px max(32px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--soft);
  font-size: 14px;
}

footer nav { display: flex; gap: 18px; }

footer a { color: var(--soft); }