:root {
  --bg: #ffffff;
  --surface: #f5f6f8;
  --text: #1c2230;
  --muted: #5d6677;
  --line: #dfe3ea;
  --accent: #0b3391;
  --gold: #d9a300;
  --accent-soft: #e6ecf8;
  --home: #fff6df;
  --max: 960px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d; --surface: #1a2029; --text: #e8ebf0; --muted: #98a2b3;
    --line: #2b3340; --accent: #8fb3e6; --accent-soft: #1f2a3a; --home: #2c2717;
  }
}
/* Fond : damier très discret, plus visible en haut de page puis qui s'efface */
:root {
  --damier: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Crect width='60' height='60' fill='%230b3391' fill-opacity='.07'/%3E%3Crect x='60' y='60' width='60' height='60' fill='%230b3391' fill-opacity='.07'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --damier: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Crect width='60' height='60' fill='%238fb3e6' fill-opacity='.06'/%3E%3Crect x='60' y='60' width='60' height='60' fill='%238fb3e6' fill-opacity='.06'/%3E%3C/svg%3E");
  }
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: var(--damier); background-size: 120px 120px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0,0,0,.55) 45%, rgba(0,0,0,.2) 100%);
          mask-image: linear-gradient(to bottom, #000 0%, rgba(0,0,0,.55) 45%, rgba(0,0,0,.2) 100%);
}
@media print { body::before { display: none; } }
.table-scroll, details { background: var(--bg); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

header.site { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 10; }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; min-height: 60px; }
.brand { font-weight: 700; text-decoration: none; color: var(--text); display: flex; align-items: center; gap: 10px; letter-spacing: .01em; }
.brand img { height: 44px; width: 44px; border-radius: 6px; background: #fff; display: block; }
header.site { border-bottom: 3px solid var(--gold); }
.hero .wrap { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.hero img { width: 200px; height: 200px; border-radius: 12px; background: #fff; padding: 6px; }
@media (max-width: 640px) { .hero img { width: 130px; height: 130px; order: -1; } }
nav.main { display: flex; flex-wrap: wrap; gap: 4px; }
nav.main a { text-decoration: none; color: var(--muted); padding: 8px 12px; border-radius: 6px; font-size: 15px; }
nav.main a:hover { background: var(--surface); color: var(--text); }
nav.main a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); font-weight: 600; }

.hero { padding: 56px 0 40px; border-bottom: 1px solid var(--line); background: var(--surface); }
.hero h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.15; margin: 0 0 12px; }
.hero p { color: var(--muted); max-width: 60ch; margin: 0; font-size: 18px; }

main { padding: 36px 0 64px; }
h1.page { font-size: 32px; margin: 0 0 6px; }
.lead { color: var(--muted); margin: 0 0 28px; }
h2 { font-size: 20px; margin: 36px 0 12px; }
h2:first-child { margin-top: 0; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; background: var(--bg); }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card .meta { color: var(--muted); font-size: 14px; }
.card p { margin: 8px 0 0; }
.tag { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); border-radius: 4px; padding: 2px 8px; }

.tournoi .affiche { width: 100%; height: auto; border-radius: 8px; display: block; margin-bottom: 14px; }
.tournoi ul { margin: 10px 0 0; padding-left: 20px; }
.grid:has(.tournoi) { grid-template-columns: 1fr; }
.next .who { font-weight: 600; }
.next .vs { font-size: 18px; margin: 6px 0 4px; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.tabs button {
  font: inherit; cursor: pointer; padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
}
.tabs button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--bg); }

table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--surface); }
tr.home td { background: var(--home); }
tr.past td { color: var(--muted); }
tr.bye td { color: var(--muted); font-style: italic; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
.table-scroll table th:first-child, .table-scroll table td:first-child { white-space: nowrap; }
.legend { color: var(--muted); font-size: 14px; margin-top: 10px; }
.swatch { display: inline-block; width: 12px; height: 12px; background: var(--home); border: 1px solid var(--line); vertical-align: -1px; margin-right: 4px; }

details { border: 1px solid var(--line); border-radius: 10px; padding: 4px 16px; margin-top: 12px; }
details summary { cursor: pointer; padding: 10px 0; font-weight: 600; }
details table { margin-bottom: 12px; }

.empty { border: 1px dashed var(--line); border-radius: 10px; padding: 24px; color: var(--muted); text-align: center; }
.placeholder { background: #fff3c4; color: #5a4300; border-radius: 3px; padding: 0 4px; }
@media (prefers-color-scheme: dark) { .placeholder { background: #4a3d10; color: #ffe9a3; } }

dl.info { display: grid; grid-template-columns: max-content 1fr; gap: 10px 24px; margin: 0; }
dl.info dt { color: var(--muted); }
dl.info dd { margin: 0; }
@media (max-width: 520px) { dl.info { grid-template-columns: 1fr; gap: 0; } dl.info dd { margin-bottom: 12px; } }

/* Formulaires */
form.inscription { max-width: 560px; display: grid; gap: 20px; }
form.inscription label, form.inscription legend { font-weight: 600; display: block; margin-bottom: 6px; }
form.inscription .req { color: #b42318; }
form.inscription input[type="text"], form.inscription input[type="email"], form.inscription input[type="date"] {
  width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--text);
}
form.inscription input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
form.inscription fieldset { border: 0; padding: 0; margin: 0; }
form.inscription .choix { display: grid; gap: 8px; }
form.inscription .choix label { font-weight: 400; display: flex; gap: 10px; align-items: center; margin: 0; }
form.inscription .aide { color: var(--muted); font-size: 14px; margin: 4px 0 0; }
form.inscription .piege { position: absolute; left: -9999px; height: 0; overflow: hidden; }
form.inscription button[type="submit"] {
  font: inherit; cursor: pointer; padding: 12px 22px; border-radius: 8px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; justify-self: start;
}
form.inscription button[disabled] { opacity: .6; cursor: progress; }
.message { max-width: 560px; padding: 16px 18px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); }
.message.ok { border-color: #1a7f37; }
.message.erreur { border-color: #b42318; }
footer.site { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: 14px; }
footer.site .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

@media print {
  header.site, footer.site, .tabs { display: none; }
  .table-scroll { border: 0; }
}