:root {
  --bg: #ffffff; --bg-subtle: #f6f7f9; --border: #e2e5ea;
  --text: #1a1d23; --text-muted: #5b6270; --accent: #2563eb;
  --accent-fg: #ffffff; --error: #b42318;
  --link: #1d4ed8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a; --bg-subtle: #1b1e24; --border: #2b2f38;
    --text: #e7e9ec; --text-muted: #9aa1ad; --accent: #5b8def;
    --accent-fg: #0b1220; --error: #f3a39a;
    --link: #93b8ff;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}
.wrap { max-width: 560px; margin: 0 auto; padding: 48px 20px 64px; }
.brand { font-weight: 700; font-size: 1rem; letter-spacing: -0.01em; color: var(--accent); margin: 0 0 20px; }
h1 { font-size: 1.4rem; margin: 0 0 6px; }
.subtitle { color: var(--text-muted); margin: 0 0 32px; }
/* Text links: one colour for visited and unvisited (no purple), readable on
   both themes; underline offset so it doesn't cut through descenders. */
a, a:visited { color: var(--link); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
.pitch {
  margin: 36px 0 0; padding: 12px 14px; font-size: 0.85rem; color: var(--text-muted);
  background: var(--bg-subtle); border: 1px solid var(--border); border-radius: 8px;
}
.checkbox-row + .checkbox-row { margin-top: 12px; }
.site-footer {
  margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--border);
  font-size: 0.8rem; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 6px 16px;
}
.site-footer a, .site-footer a:visited { color: var(--text-muted); }
.site-footer { margin-top: 16px; }

/* Legal pages (terms.html, privacy.html) */
.legal { max-width: 720px; }
.legal h1 { margin-bottom: 4px; }
.legal .version { color: var(--text-muted); font-size: 0.85rem; margin: 0 0 28px; }
.legal h2 { font-size: 1.05rem; margin: 32px 0 8px; }
.legal p, .legal li { font-size: 0.95rem; }
.legal ul { padding-left: 20px; }
.legal li { margin: 4px 0; }
.legal .callout {
  border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: 8px;
  background: var(--bg-subtle); padding: 12px 16px; margin: 12px 0;
}
label { display: block; font-size: 0.88rem; font-weight: 600; margin: 18px 0 6px; }
.hint { font-size: 0.8rem; color: var(--text-muted); font-weight: 400; margin-top: 2px; }
input[type=text], input[type=email], input[type=url] {
  width: 100%; padding: 9px 11px; font-size: 0.95rem;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-subtle); color: var(--text);
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.checkbox-row { display: flex; gap: 10px; align-items: flex-start; margin-top: 24px; }
.checkbox-row input { margin-top: 3px; }
.checkbox-row label { margin: 0; font-weight: 400; font-size: 0.88rem; }
.trust-note {
  font-size: 0.8rem; color: var(--text-muted); background: var(--bg-subtle);
  border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px;
  margin-top: 24px;
}
button {
  margin-top: 20px; width: 100%; padding: 11px; font-size: 0.95rem; font-weight: 600;
  background: var(--accent); color: var(--accent-fg); border: none; border-radius: 8px;
  cursor: pointer;
}
button:disabled { opacity: 0.6; cursor: default; }
.error { color: var(--error); font-size: 0.85rem; margin-top: 10px; display: none; }
.success { display: none; text-align: center; padding: 40px 0; }
.success h2 { margin-bottom: 8px; }
.success p { color: var(--text-muted); }
.brand a { color: inherit; text-decoration: none; }
.legal .callout p { margin: 0; }