:root { --paper: #f2ede3; --ink: #382e34; --muted: #6c5e64; --line: #d8cdd0; --card: #fffaf2; --strava: #fc4c02; }
@media (prefers-color-scheme: dark) { :root { --paper: #1d181c; --ink: #f2ede3; --muted: #d5c7ce; --line: #4a3f46; --card: #30272e; } }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 16px; background: var(--paper); color: var(--ink);
  font: 15px/1.6 "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.card { width: min(420px, 100%); background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 32px; text-align: center; }
.eyebrow { margin: 0; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
h1 { margin: 4px 0 8px; font: 400 40px/1.1 "Goudy Bookletter 1911", Georgia, serif; }
.note { margin: 16px 0 0; padding: 12px 14px; border-radius: 10px; background: #fbe4df; border: 1px solid #e3a091; color: #8c2a1c; font-weight: 600; text-align: left; }
.strava { display: inline-block; margin-top: 16px; padding: 12px 20px; border-radius: 10px; background: var(--strava); color: #fff; font-weight: 700; text-decoration: none; }
.strava:focus-visible { outline: 3px solid #a78bb3; outline-offset: 2px; }