:root {
  --bg: #0b0b0d;
  --panel: #111114;
  --line: #232329;
  --ink: #e9e9ec;
  --dim: #a2a2ac;
  --dim2: #6f6f79;
  --ok: #8fd6b6;
  --bad: #e08a8a;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(ellipse 70% 40% at 50% -8%, rgba(255,255,255,.05), transparent);
  background-repeat: no-repeat;
}
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #000; padding: 6px 12px; z-index: 50; }
.skip:focus { left: 8px; top: 8px; }
a { color: inherit; }
code { font-family: var(--mono); font-size: .9em; background: #19191e; border: 1px solid var(--line); border-radius: 4px; padding: .05em .35em; word-break: break-all; }
::selection { background: #2e2e36; }

.bar { max-width: 62rem; margin: 14px auto 0; }
.bar-in {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  border: 1px solid var(--line); border-bottom: none; border-radius: 12px 12px 0 0;
  background: var(--panel); padding: 10px 14px;
}
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; font-family: var(--mono); font-size: 14px; letter-spacing: .02em; }
.brand b { color: var(--dim); font-weight: 500; }
.brand svg { color: var(--dim); flex: none; }
.nav-toggle {
  margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 6px;
  color: var(--dim); font: 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em;
  padding: 6px 9px; cursor: pointer; display: none;
}
.nav { display: flex; flex-wrap: wrap; gap: 2px 14px; margin-left: auto; }
.nav a {
  font: 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  color: var(--dim); padding: 6px 0; border-bottom: 1px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ink); }

.strip { max-width: 62rem; margin: 0 auto; border: 1px solid var(--line); border-top: none; border-radius: 0 0 12px 12px; background: var(--panel); }
.strip-in { max-width: 46rem; margin: 0 auto; padding: 16px; }
.strip-note { margin: 0 0 12px; font: 11px/1.5 var(--mono); letter-spacing: .04em; color: var(--dim2); text-transform: uppercase; }
.addr { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.addr li {
  display: flex; align-items: center; gap: 10px; justify-content: space-between;
  border: 1px solid var(--line); border-radius: 8px; background: #0e0e11; padding: 8px 12px;
  animation: rise .5s both;
}
.addr li:nth-child(2) { animation-delay: .08s; }
.addr li:nth-child(3) { animation-delay: .16s; }
@keyframes rise { from { opacity: 0; transform: translateY(5px); } }
.addr code.full { display: block; border: 0; background: none; padding: 0; font-size: 12.5px; line-height: 1.5; word-break: break-all; }
.addr .px { color: #fff; box-shadow: inset 0 -7px 0 rgba(255,255,255,.09); }
.addr .rest { color: var(--dim); }
.addr li:hover .rest { color: var(--ink); }
.copy {
  flex: none; background: none; border: 1px solid var(--line); border-radius: 6px; cursor: pointer;
  color: var(--dim); font: 10px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; padding: 7px 10px;
}
.copy:hover { color: var(--ink); border-color: var(--dim2); }
.copy.ok { color: var(--ok); border-color: var(--ok); }

.page { max-width: 46rem; margin: 34px auto 40px; padding: 0 16px; }
.doc h1 { font-size: 25px; line-height: 1.3; letter-spacing: -.01em; margin: 6px 0 18px; }
.doc p, .doc li { color: #cfcfd6; font-size: 15.5px; }
.doc h2 { font: 11px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--dim2); margin: 30px 0 8px; }
.doc h3 { font-size: 16px; margin: 24px 0 6px; }
.doc a { color: var(--ink); text-decoration-color: var(--dim2); text-underline-offset: 3px; }
.doc a:hover { text-decoration-color: var(--ink); }
.doc ol, .doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc section { scroll-margin-top: 16px; }

html.js article.doc [data-reveal] { opacity: 0; transform: translateY(8px); transition: opacity .45s ease, transform .45s ease; }
html.js article.doc [data-reveal].in { opacity: 1; transform: none; }

.tool { border: 1px solid var(--line); border-radius: 10px; background: var(--panel); padding: 4px 16px 16px; }
.tool h2 { margin-top: 16px; }
.check label { display: block; font: 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--dim2); margin: 12px 0 8px; }
.check .row { display: flex; gap: 8px; flex-wrap: wrap; }
.mono-in {
  flex: 1 1 20rem; min-width: 0; background: #0e0e11; border: 1px solid var(--line); border-radius: 8px;
  color: var(--ink); font: 12.5px/1.5 var(--mono); padding: 10px 12px; word-break: break-all;
}
.mono-in:focus { outline: none; border-color: var(--dim2); }
.result { margin-top: 12px; font: 12.5px/1.7 var(--mono); color: var(--dim); word-break: break-word; }
.result .idle { color: var(--dim2); }
.result .ok { color: var(--ok); }
.result .bad { color: var(--bad); }
.result b { color: var(--ink); }
.result .diff-pos { color: var(--ink); background: #1d1d23; border-radius: 4px; padding: 0 .35em; }

.foot { border-top: 1px solid var(--line); margin-top: 60px; }
.foot-in { max-width: 62rem; margin: 0 auto; padding: 22px 16px 30px; }
.foot .brand { font-size: 13px; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 14px 0; }
.foot-nav a { font: 11px/1.6 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--dim2); text-decoration: none; }
.foot-nav a:hover { color: var(--ink); }
.fine { color: var(--dim2); font-size: 12.5px; max-width: 52rem; }

@media (max-width: 760px) {
  .bar, .strip { padding: 0 10px; }
  .nav { display: none; width: 100%; order: 3; flex-direction: column; }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .bar-in { border-radius: 12px; }
  .strip { border-top: 1px solid var(--line); border-radius: 12px; margin-top: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .addr li { animation: none; }
  html.js article.doc [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}