:root {
  --bg: #090b0b;
  --text: #e8ece7;
  --muted: #9ca59d;
  --dim: #606a62;
  --line: #202925;
  --green: #8fd17f;
  --panel: #0d1010;
  --max: 860px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(143, 209, 127, 0.055), transparent 34rem),
    var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

a {
  color: var(--text);
  text-underline-offset: 0.25em;
}

a:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
}

.shell {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 28px 0 72px;
}

header,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--dim);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
}

header {
  padding-bottom: 88px;
}

footer {
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.mark img {
  width: 26px;
  height: 26px;
}

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

nav a,
.mark {
  color: var(--muted);
  text-decoration: none;
}

nav a:hover,
.mark:hover {
  color: var(--text);
}

article {
  display: grid;
  gap: 34px;
  min-width: 0;
}

.article-head {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.meta {
  margin: 0 0 18px;
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.84rem;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 4.8rem);
  line-height: 1;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

.dek {
  max-width: 700px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.note {
  max-width: 700px;
  margin: 0;
  color: var(--dim);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.84rem;
}

.content {
  max-width: 760px;
  min-width: 0;
}

h2,
h3 {
  margin: 44px 0 12px;
  line-height: 1.2;
}

h2 {
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 1rem;
  font-weight: 500;
}

h3 {
  font-size: 1.05rem;
}

p {
  margin: 0 0 18px;
  color: var(--muted);
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

code {
  color: var(--text);
}

pre {
  overflow-x: auto;
  width: 100%;
  max-width: 100%;
  margin: 14px 0 24px;
  border: 1px solid var(--line);
  padding: 16px;
  color: var(--text);
  background: var(--panel);
  font-size: 0.88rem;
  line-height: 1.55;
}

@media (max-width: 680px) {
  header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  header {
    padding-bottom: 56px;
  }

  nav {
    flex-wrap: wrap;
  }
}