/* uc.surf — option B (Warm): dark, low-eye-strain theme (no pure black bg, no pure white text, desaturated accent) */
:root {
  --bg: #1c1a17;
  --text: #e8e0d2;
  --muted: #b3a998;
  --accent: #d6ae74;
  --border: #35312b;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-head: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; color-scheme: dark; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400; /* regular, never thin, on dark backgrounds */
  line-height: 1.65;
}
.container { max-width: 680px; margin: 0 auto; padding: 0 1.25rem; }
h1, h2 { font-family: var(--font-head); line-height: 1.25; font-weight: 600; color: var(--text); }
h1 { font-size: 2rem; margin: 0 0 0.75rem; }
h2 { font-size: 1.4rem; margin: 0 0 0.6rem; }
h3 { font-family: var(--font-head); font-size: 1.1rem; line-height: 1.3; font-weight: 600; color: var(--text); margin: 0 0 0.35rem; }
p { margin: 0 0 1rem; }
a { color: var(--accent); text-decoration: underline; text-underline-offset: 0.15em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--bg); padding: 0.25rem 0.5rem; }
.site-header { border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem 1.5rem; padding-top: 1.1rem; padding-bottom: 1.1rem; }
.brand { font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.nav { display: flex; gap: 1.25rem; margin: 0; padding: 0; list-style: none; }
.nav a { text-decoration: none; }
.nav a:hover { text-decoration: underline; }
main section { padding: 2.25rem 0; border-bottom: 1px solid var(--border); }
main section:last-child { border-bottom: 0; }
.intro { padding-top: 3rem; }
.muted { color: var(--muted); }
ul.plain { margin: 0 0 1rem; padding-left: 1.2rem; }
ul.plain li { margin-bottom: 0.35rem; }
.posts { list-style: none; margin: 0; padding: 0; }
.posts li { padding: 0.75rem 0; border-top: 1px solid var(--border); color: var(--muted); }
.posts li:last-child { border-bottom: 1px solid var(--border); }
.site-footer { border-top: 1px solid var(--border); padding: 1.5rem 0 2.5rem; font-size: 0.95rem; color: var(--muted); }
.site-footer p { margin: 0 0 0.35rem; }
.faq article { margin: 0 0 1.25rem; }
.faq article:last-child { margin-bottom: 0; }
.faq article p { margin: 0; }
/* Support block ("Buy me a coffee"). Hidden by default.
   To enable it, delete the single line `display: none;` below. */
.support {
  display: none;
  margin: 0 0 1rem;
}
.support-link { display: inline-block; padding: 0.3rem 0.8rem; border: 1px solid var(--border); border-radius: 6px; text-decoration: none; }
.support-link:hover { border-color: var(--accent); text-decoration: underline; }