/* Shared styles for the Timegrapher web pages. Kept in one file so the pages stay consistent. */
:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1c1c1e;
  --muted: #6b6b70;
  --accent: #0a84ff;
  --card: #f5f5f7;
  --border: #e2e2e6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --fg: #f2f2f7;
    --muted: #9a9aa0;
    --accent: #0a84ff;
    --card: #1c1c1e;
    --border: #2c2c2e;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}
header.site {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}
header.site .name { font-size: 22px; font-weight: 700; }
header.site .tag { color: var(--muted); font-size: 15px; margin-top: 2px; }
h1 { font-size: 30px; line-height: 1.2; margin: 32px 0 4px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--fg); }
.muted { color: var(--muted); }
.effective { color: var(--muted); font-size: 15px; margin-top: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 20px 0;
}
ul { padding-left: 22px; }
li { margin: 6px 0; }
.backlink { display: inline-block; margin-top: 40px; font-size: 15px; }
footer.site {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}
.btnrow { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
.btn.secondary { background: var(--card); color: var(--fg); border: 1px solid var(--border); }
.btn:hover { text-decoration: none; opacity: 0.92; }