@font-face { font-family: "Nunito"; font-weight: 600; font-display: swap; src: url(/fonts/nunito-latin-600-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Nunito"; font-weight: 600; font-display: swap; src: url(/fonts/nunito-latin-ext-600-normal.woff2) format("woff2"); unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Nunito"; font-weight: 800; font-display: swap; src: url(/fonts/nunito-latin-800-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+20AC; }
@font-face { font-family: "Nunito"; font-weight: 800; font-display: swap; src: url(/fonts/nunito-latin-ext-800-normal.woff2) format("woff2"); unicode-range: U+0100-02AF, U+1E00-1E9F; }
@font-face { font-family: "Caveat"; font-weight: 700; font-display: swap; src: url(/fonts/caveat-latin-700-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+20AC; }
@font-face { font-family: "Caveat"; font-weight: 700; font-display: swap; src: url(/fonts/caveat-latin-ext-700-normal.woff2) format("woff2"); unicode-range: U+0100-02AF, U+1E00-1E9F; }

:root {
  --bg:#e6edf3; --paper:#f7fafc; --grid:#d8e3ec; --ink:#1e3a8a; --ink-soft:#56689a; --text:#17224a;
  --hl:#ffe14d; --hl-ink:#17224a; --red:#d6312b; --green:#1e8a5a; --wood:#c79a6a; --rope:#a5793f;
  --hand: "Caveat", "Comic Sans MS", cursive; --ui: "Nunito", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg:#141d19; --paper:#1a2620; --grid:#22312a; --ink:#e6eee2; --ink-soft:#9db0a3; --text:#e6eee2; --red:#ff6f5e; --green:#5fd39b; --wood:#8a6142; --rope:#c9a46c; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; color: var(--text); font: 600 17px/1.6 var(--ui);
  background-color: var(--paper);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 26px 26px;
  min-height: 100vh;
}
a { color: var(--ink); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.wrap { max-width: 860px; margin: 0 auto; padding: 24px 20px 60px; }
header.top { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.brand { font: 700 2.6rem/1 var(--hand); color: var(--ink); text-decoration: none; }
.brand small { font: 800 .8rem/1 var(--ui); color: var(--ink-soft); letter-spacing: .08em; text-transform: uppercase; margin-left: 8px; }
nav.top { margin-left: auto; display: flex; gap: 14px; flex-wrap: wrap; font-weight: 800; }
nav.top a { text-decoration: none; }
nav.top a:hover { text-decoration: underline; }
.card { background: var(--paper); border: 2px solid var(--ink); border-radius: 18px; padding: 22px 24px; box-shadow: 6px 6px 0 var(--ink); margin: 26px 0; }
h1 { font: 700 3rem/1.05 var(--hand); color: var(--ink); margin: 18px 0 8px; }
h2 { font: 700 2rem/1.1 var(--hand); color: var(--ink); margin: 26px 0 6px; }
h3 { font: 800 1.05rem/1.3 var(--ui); margin: 18px 0 4px; }
.lead { font: 700 1.6rem/1.3 var(--hand); color: var(--ink-soft); margin: 0 0 18px; }
.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center; }
.hero svg { width: 100%; height: auto; }
@media (max-width: 720px) { .hero { grid-template-columns: 1fr; } h1 { font-size: 2.5rem; } }
.modes { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.mode { border: 2px solid var(--ink); border-radius: 14px; padding: 12px 14px; background: var(--paper); }
.mode b { font: 700 1.6rem/1 var(--hand); color: var(--ink); display: block; margin-bottom: 4px; }
.tiles { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0 14px; }
.tile { display: inline-grid; place-items: center; width: 38px; height: 44px; border: 2px solid var(--ink); border-radius: 9px; background: var(--hl); color: var(--hl-ink); font: 800 1.35rem/1 var(--ui); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border: 2px solid var(--ink); border-radius: 12px; background: var(--ink); color: var(--paper); font-weight: 800; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); }
.btns { display: flex; gap: 12px; flex-wrap: wrap; }
.note { color: var(--ink-soft); font-size: .95rem; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px dashed var(--grid); vertical-align: top; }
th { color: var(--ink); }
footer { margin-top: 40px; color: var(--ink-soft); font-size: .9rem; display: flex; gap: 16px; flex-wrap: wrap; }
.code { font: 800 2.6rem/1 var(--ui); letter-spacing: .18em; color: var(--ink); }
.langs { display: flex; gap: 8px; flex-wrap: wrap; }
.langs span { border: 2px dashed var(--ink-soft); border-radius: 999px; padding: 2px 12px; font-weight: 800; }