:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --fg: #1a1a1a;
  --accent: #b3541e;
  --card: #ffffff;
  --border: #ddd;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15130f;
    --fg: #f0ece4;
    --accent: #e0904a;
    --card: #211e18;
    --border: #3a352c;
  }
}
/* Identité visuelle du logo : appliquée aux pages publiques uniquement. */
:root {
  --brand-navy: #102582;
  --brand-orange: #ff7b00;
  --brand-coral: #e85a42;
  --brand-black: #222222;
  --brand-cream: #eed5bf;
}
body.public {
  --bg: var(--brand-navy);
  --fg: var(--brand-cream);
  --accent: var(--brand-orange);
  --card: rgba(16, 37, 130, 0.5);
  --border: rgba(238, 213, 191, 0.25);
  color-scheme: dark;
}
body.public .card {
  position: relative;
  z-index: 1;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
body.public .error { color: var(--brand-coral); }
body.public .success { color: #b7e8a8; }
body.public .event-date { color: var(--brand-coral); }
* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0 1rem;
  line-height: 1.5;
}
.wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 2rem 0;
}
.logo-wrap {
  position: sticky;
  top: 0;
  z-index: 0;
  margin: 0 auto 1.5rem;
}
.site-logo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
}
.logo-vinyl {
  position: absolute;
  left: 49.9%;
  top: 59.3%;
  width: 20.6%;
  height: 20.6%;
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(0deg);
}
body.public h1 { text-align: center; }
body.public p.tagline { text-align: center; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.admin-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 0;
}
h1 { font-size: 1.6rem; margin-bottom: 0.25rem; }
h2 { font-size: 1.2rem; }
p.tagline { opacity: 0.75; margin-top: 0; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
label { display: block; font-weight: 600; margin-bottom: 0.3rem; }
input[type=email], input[type=text], input[type=date], input[type=password], textarea {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  font-size: 1rem;
  margin-bottom: 0.9rem;
}
textarea { min-height: 8rem; font-family: inherit; }
button, .btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.65rem 1.1rem;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
}
button.secondary, .btn.secondary {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}
button.danger { background: #a8332a; }
nav.admin-nav { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
nav.admin-nav a { color: var(--accent); text-decoration: none; font-weight: 600; }
.error { color: #d0342c; font-weight: 600; }
.success { color: #2c7a3f; font-weight: 600; }
table { width: 100%; border-collapse: collapse; margin-bottom: 1rem; }
th, td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); }
.event-item { border-bottom: 1px solid var(--border); padding: 0.9rem 0; }
.event-item:last-child { border-bottom: none; }
.event-date { font-weight: 700; color: var(--accent); }
.muted { opacity: 0.7; font-size: 0.9rem; }
form.inline { display: inline; }
.stack { display: flex; flex-direction: column; gap: 0.5rem; }
.row { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }
.admin-link { margin-top: 2.5rem; text-align: center; }
.admin-link a { color: var(--fg); opacity: 0.4; font-size: 0.85rem; text-decoration: none; }
.admin-link a:hover { opacity: 0.8; }

.qr-poster {
  max-width: 640px;
  margin: 0 auto 2rem;
  padding: 2rem;
  text-align: center;
}
.qr-title { font-size: 1.8rem; margin-bottom: 1.5rem; }
.qr-img {
  width: 100%;
  max-width: 500px;
  height: auto;
  background: #fff;
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.qr-url { font-size: 1.1rem; margin-top: 1rem; font-weight: 600; }
.qr-caption { color: var(--fg); opacity: 0.7; }

@media print {
  .no-print { display: none !important; }
  body { background: #fff; color: #000; }
  .qr-poster { max-width: 100%; padding: 0; }
  .qr-img { border: none; }
}