/* SpermatoStages — shared style for the reading pages (About, History,
   Definitions, and the pages under /playground/ that are not the app). */
:root { --bg:#fafaf7; --ink:#1a1a1a; --muted:#5a5a5a; --accent:#7a3a2a; --border:#d8d4ca; --card:#fff; --soft:#f4ebe5; }
@media (prefers-color-scheme: dark) {
  :root { --bg:#1a1a1a; --ink:#f0ebe2; --muted:#a8a39a; --accent:#d4845a; --border:#3a3530; --card:#232220; --soft:#3a2a22; } }
* { box-sizing: border-box; }
html, body { margin:0; padding:0; background:var(--bg); color:var(--ink);
  font-family: Georgia, 'Times New Roman', serif; line-height:1.6; -webkit-font-smoothing: antialiased; }
.page { max-width: 760px; margin: 0 auto; padding: 40px 24px 80px; }
.page.wide { max-width: 980px; }
a { color: var(--accent); }
h1 { font-size: 38px; line-height: 1.1; margin: 8px 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 21px; margin: 36px 0 8px; font-style: italic; color: var(--accent); }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.sans { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif; }
p { margin: 0 0 14px; }
.lead { font-size: 18px; }
.download { display: inline-block; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 14px; font-weight: 600; border: 1px solid var(--accent); border-radius: 5px; padding: 6px 12px;
  text-decoration: none; margin: 0 0 20px; }
.download:hover { background: var(--soft); }
figure { margin: 26px 0; }
figure img { max-width: 100%; height: auto; display: block; margin: 0 auto; border: 1px solid var(--border); border-radius: 4px; }
figcaption { font-size: 14px; color: var(--muted); margin-top: 8px; }
figcaption b { color: var(--ink); }
.signature { margin: 30px 0 10px; line-height: 1.45; }
.refs { padding-left: 0; list-style: none; font-size: 15px; }
.refs li { margin: 0 0 10px; padding-left: 24px; text-indent: -24px; }
.footer { margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--border); font-size: 13px;
  color: var(--muted); text-align: center; }
.notice { border-left: 3px solid var(--accent); background: var(--soft); padding: 12px 16px; border-radius: 4px; }
/* Definitions */
.gl-tools { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin: 10px 0 18px; }
.gl-tools input { font: inherit; font-size: 15px; padding: 8px 12px; border: 1px solid var(--border);
  border-radius: 5px; background: var(--card); color: var(--ink); min-width: 260px; flex: 1; }
.gl-toc { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif; font-size: 13px; }
.gl-toc a { margin-right: 12px; white-space: nowrap; }
.gl-entry { border-bottom: 1px solid var(--border); padding: 12px 0; }
.gl-entry h3 { margin: 0 0 4px; font-size: 17px; }
.gl-abbr { font-family: ui-monospace, Menlo, Consolas, monospace; color: var(--accent); margin-right: 8px; }
.gl-entry p { margin: 4px 0; font-size: 15px; }
.gl-label { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-right: 6px; }
.gl-none { color: var(--muted); font-style: italic; }