:root {
  --paper: #F3EDE1; --paper2: #E9E1D2; --ink: #1F1C19; --ink-soft: #5E564C;
  --rust: #A8401F; --teal: #2F8F83; --card: #FFFFFF; --line: #1F1C19;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #1C1A17; --paper2: #26231F; --ink: #F3EDE1; --ink-soft: #B9AE9E;
    --rust: #E8835F; --teal: #5BC0B2; --card: #24211D; --line: #4A443C;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 17px/1.6 "Rubik", system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.logo { display: grid; grid-template-columns: repeat(4, 9px); gap: 2px; transform: rotate(4deg); flex: none; }
.logo i { width: 9px; height: 9px; border-radius: 2px; border: 1.5px solid var(--line); }
.logo i.x { visibility: hidden; }
h1 { font-size: 30px; line-height: 1.15; margin: 0; font-weight: 800; letter-spacing: -0.01em; }
.app { font-size: 14px; font-weight: 700; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.08em; }
.meta { color: var(--ink-soft); font-size: 15px; margin: 4px 0 28px; }
h2 { font-size: 21px; margin: 36px 0 8px; font-weight: 800; }
h3 { font-size: 17px; margin: 20px 0 4px; }
p, li { max-width: 68ch; }
ul { padding-left: 22px; }
li { margin: 4px 0; }
a { color: var(--rust); font-weight: 600; }
.card {
  background: var(--card); border: 2px solid var(--line); border-radius: 18px;
  padding: 16px 20px; margin: 20px 0; box-shadow: 0 5px 0 var(--line);
}
.card p:first-child, .card h3:first-child { margin-top: 0; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
ol.steps { padding-left: 22px; }
ol.steps li { margin: 8px 0; }
.kbd { font-weight: 700; background: var(--paper2); border-radius: 6px; padding: 1px 7px; white-space: nowrap; }
table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 12px 0; }
th, td { text-align: left; vertical-align: top; padding: 9px 10px; border-bottom: 1px solid var(--paper2); }
th { font-weight: 700; color: var(--ink-soft); font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; }
.tablewrap { overflow-x: auto; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--paper2); color: var(--ink-soft); font-size: 14px; }
footer a { margin-right: 14px; }