/* Album Swap — style commun du site statique (albumswap.fr) */
:root {
  --navy-1: #1d3a7e;
  --navy-2: #0d1e47;
  --hero: #14295e;
  --gold: #f0b429;
  --gold-deep: #de9e14;
  --text: #eef2fb;
  --muted: #9fb2de;
  --card: #ffffff;
  --ink: #132b66;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, var(--navy-1), var(--navy-2));
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px;
}
main { max-width: 560px; width: 100%; text-align: center; padding: 40px 0 24px; flex: 1; }
.mark { font-size: 64px; line-height: 1; }
h1 { font-size: 36px; font-weight: 900; letter-spacing: -0.5px; margin: 12px 0 8px; }
.tagline { color: var(--muted); font-size: 17px; line-height: 1.5; margin-bottom: 28px; }
.card {
  background: var(--card);
  color: var(--ink);
  border-radius: 18px;
  padding: 24px;
  margin: 16px 0;
  text-align: left;
}
.card h2 { font-size: 18px; margin-bottom: 8px; }
.card p, .card li { font-size: 15px; line-height: 1.55; color: #3c4a6e; }
.card ul { padding-left: 20px; margin: 8px 0; }
.code-box {
  border: 2px dashed var(--gold);
  border-radius: 14px;
  padding: 14px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 5px;
  color: var(--text);
  margin: 18px 0;
  font-variant-numeric: tabular-nums;
}
.btn {
  display: inline-block;
  background: var(--gold);
  color: #231a02;
  font-weight: 800;
  font-size: 17px;
  text-decoration: none;
  border-radius: 14px;
  padding: 16px 28px;
  margin: 6px 0;
}
.btn.secondary { background: transparent; border: 2px solid var(--muted); color: var(--text); font-weight: 700; }
.hint { color: var(--muted); font-size: 14px; line-height: 1.5; margin-top: 18px; }
footer { color: var(--muted); font-size: 13px; padding: 20px 0; text-align: center; }
footer a { color: var(--muted); }
.prose { text-align: left; }
.prose h2 { font-size: 20px; margin: 26px 0 8px; }
.prose p, .prose li { font-size: 15px; line-height: 1.6; color: var(--text); opacity: 0.92; }
.prose ul { padding-left: 22px; margin: 8px 0; }
.prose .updated { color: var(--muted); font-size: 13px; }