:root {
  --bg: #faf9f7;
  --ink: #1c1b1a;
  --muted: #6f6d68;
  --line: #e5e2dd;
  --accent: #35507a;
  --accent-soft: #eef1f6;
  --danger: #a33d2f;
  --radius: 10px;
  --maxw: 720px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
}

nav a { color: var(--ink); text-decoration: none; }
nav a:hover { color: var(--accent); }

.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  letter-spacing: 0.02em;
}

.nav-right { display: flex; gap: 18px; align-items: center; }
.nav-right a { font-size: 14px; color: var(--muted); }
.nav-right a:hover { color: var(--accent); }

main {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px 24px;
  flex: 1;
}

footer {
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
  padding: 16px 24px 28px;
  color: var(--muted);
  font-size: 13px;
}

.permalink-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
  margin-right: 6px;
}

code {
  background: var(--accent-soft);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 13px;
  word-break: break-all;
}

.hero { margin-bottom: 32px; }

h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 8px;
}

h1 { font-size: 34px; }
h2 { font-size: 21px; margin-bottom: 14px; }

p { margin: 0 0 14px; }
.muted { color: var(--muted); }
.error { color: var(--danger); }

.stack { display: grid; gap: 14px; }

.card {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 18px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

a.card:hover { border-color: var(--accent); box-shadow: 0 2px 10px rgba(28, 27, 26, 0.05); }
a.card h2 { margin: 0 0 6px; }
a.card p { margin: 0; font-size: 14.5px; color: var(--muted); }

.card .badge {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: 99px;
}

.form-card h2 { margin-top: 0; }

label {
  display: block;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--muted);
}

input[type="text"], input[type="password"], textarea {
  display: block;
  width: 100%;
  margin-top: 5px;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(53, 80, 122, 0.12);
}

button {
  font: inherit;
  font-size: 15px;
  padding: 9px 20px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 7px;
  cursor: pointer;
}

button:hover { filter: brightness(1.12); }

button.link {
  background: none;
  border: none;
  color: var(--accent);
  padding: 0;
  font-size: 14.5px;
  text-decoration: underline;
}

button.link.danger { color: var(--danger); }
form.inline { display: inline; }

.breadcrumb { margin: 0 0 18px; font-size: 14px; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }

.result {
  border-color: var(--accent);
  box-shadow: 0 2px 12px rgba(53, 80, 122, 0.08);
}
.result h2 { font-size: 26px; margin-bottom: 10px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

th {
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}

td { padding: 9px 10px; border-bottom: 1px solid var(--line); }
tbody tr:last-child td { border-bottom: none; }
td a { color: var(--accent); text-decoration: none; }
td a:hover { text-decoration: underline; }

.md > :last-child { margin-bottom: 0; }
.md p { margin: 0 0 14px; }
.md h1, .md h2, .md h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.25;
  margin: 18px 0 8px;
}
.md h1 { font-size: 22px; }
.md h2 { font-size: 19px; }
.md h3 { font-size: 16.5px; font-style: italic; }
.md ul, .md ol { margin: 0 0 14px; padding-left: 22px; }
.md li { margin-bottom: 4px; }
.md a { color: var(--accent); }
.md blockquote {
  margin: 0 0 14px;
  padding: 2px 0 2px 14px;
  border-left: 3px solid var(--line);
  color: var(--muted);
}
.md pre {
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 12px 14px;
  overflow-x: auto;
  margin: 0 0 14px;
}
.md pre code { background: none; padding: 0; word-break: normal; }
.md img { max-width: 100%; border-radius: 7px; }
.md hr { border: none; border-top: 1px solid var(--line); margin: 16px 0; }
a.card .md { font-size: 14.5px; color: var(--muted); }
a.card .md p { margin: 0; }

@media (max-width: 520px) {
  h1 { font-size: 27px; }
  main { padding-top: 24px; }
}