:root {
  --creme: #f6f1e7;
  --papier: #fbf8f1;
  --encre: #1c1a17;
  --encre-douce: #5d574d;
  --filet: #d9d1c0;
  --accent: #d9560b;
  --erreur: #9c1c1c;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--creme);
  color: var(--encre);
  line-height: 1.5;
}
.entete {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  max-width: 62rem;
  margin: 0 auto;
  padding: 1.25rem 1rem .75rem;
  border-bottom: 2px solid var(--encre);
}
h1 { margin: 0; font-size: 1.6rem; letter-spacing: .02em; }
h1 .marque::after { content: ""; display: inline-block; width: .5rem; height: .5rem; margin-left: .35rem; background: var(--accent); border-radius: 50%; }
h1 .sous-titre { margin-left: .5rem; font-size: 1rem; font-weight: 400; letter-spacing: 0; color: var(--encre-douce); }
.outils { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem 1.25rem; }
.langues { font-size: .85rem; }
.langues button.lien { color: var(--encre-douce); text-decoration: none; }
.langues button.lien[aria-pressed="true"] { color: var(--encre); font-weight: 700; text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 3px; }
.langues button.lien + button.lien { border-left: 1px solid var(--filet); margin-left: .25rem; padding-left: .5rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 .75rem; padding-bottom: .25rem; border-bottom: 1px solid var(--filet); }
h3 { font-size: 1rem; margin: 1.25rem 0 .5rem; }
main { max-width: 62rem; margin: 0 auto; padding: 0 1rem 2rem; }
.session { font-size: .9rem; color: var(--encre-douce); }
.aide { color: var(--encre-douce); max-width: 36rem; }
.pied { max-width: 62rem; margin: 0 auto; padding: 1rem; font-size: .8rem; color: var(--encre-douce); border-top: 1px solid var(--filet); }

button, select, input {
  font: inherit;
  color: inherit;
}
button {
  padding: .5rem 1rem;
  background: var(--papier);
  border: 1.5px solid var(--encre);
  border-radius: 3px;
  cursor: pointer;
}
button:hover { background: #fff; }
button.principal { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.principal:hover { background: #bd4808; border-color: #bd4808; }
button.lien { border: 0; background: none; padding: 0 .25rem; color: var(--accent); text-decoration: underline; }
button:disabled { opacity: .5; cursor: default; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

input, select {
  padding: .45rem .5rem;
  background: var(--papier);
  border: 1px solid var(--encre-douce);
  border-radius: 3px;
  min-width: 0;
}
label { display: block; font-size: .85rem; color: var(--encre-douce); margin-bottom: .2rem; }
#form-inscription { display: grid; gap: .4rem; max-width: 24rem; }
#form-inscription input { width: 100%; }
#form-inscription button { justify-self: start; margin-top: .4rem; }

.champs-boitier { display: grid; gap: .4rem; margin-top: .4rem; }
.champs-boitier[hidden] { display: none; }
.champs-boitier .aide { margin: 0; font-size: .85rem; }
.bandeau { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1rem; }
.bandeau[hidden] { display: none; }
.role { font-size: .75rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--encre-douce); border: 1px solid var(--filet); border-radius: 3px; padding: .05rem .4rem; vertical-align: middle; }
.partage { margin: .75rem 0 0; }
details.partage summary { cursor: pointer; font-weight: 600; font-size: .9rem; }
.partage-corps { padding: .25rem 0 0 1rem; }
.partage-corps h4 { font-size: .85rem; margin: 1rem 0 .3rem; color: var(--encre-douce); }
.liste { list-style: none; margin: 0; padding: 0; font-size: .92rem; }
.liste li { padding: .2rem 0; border-bottom: 1px solid var(--filet); }
.lien-invitation { margin: .5rem 0; }
.lien-invitation[hidden] { display: none; }
.lien-invitation p { margin: 0 0 .3rem; font-size: .9rem; }
.ligne { display: flex; gap: .5rem; }
.ligne input { flex: 1; font-family: ui-monospace, Menlo, monospace; font-size: .85rem; }
.message { margin: 1rem 0 0; padding: .6rem .8rem; border-left: 4px solid var(--accent); background: var(--papier); }
.message.erreur { border-left-color: var(--erreur); color: var(--erreur); }

.explo { display: flex; flex-wrap: wrap; gap: .75rem 1rem; align-items: flex-end; }
.explo .champ[hidden] { display: none; }

.bateau { background: var(--papier); border: 1px solid var(--filet); border-radius: 4px; padding: .75rem 1rem 1rem; margin-bottom: 1rem; }
.bateau h3 { margin-top: 0; }
.bateau .meta { margin: 0 0 .5rem; font-size: .85rem; color: var(--encre-douce); }
.tableau-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { text-align: left; padding: .3rem .6rem .3rem 0; border-bottom: 1px solid var(--filet); }
th { font-weight: 600; color: var(--encre-douce); font-size: .8rem; }
td.val { font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
td.vide, .vide { color: var(--encre-douce); }
.groupe td { padding-top: .8rem; font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; border-bottom: 1.5px solid var(--encre); }

.figures { display: grid; gap: 1.25rem; margin-top: 1rem; grid-template-columns: 1fr; }
@media (min-width: 52rem) { .figures.deux { grid-template-columns: 1fr 1fr; } }
figure { margin: 0; background: var(--papier); border: 1px solid var(--filet); border-radius: 4px; padding: .5rem; }
figcaption { font-size: .85rem; font-weight: 600; padding: .25rem .4rem; }
svg { display: block; width: 100%; height: auto; }
svg text { font-family: inherit; font-size: 11px; fill: var(--encre-douce); }
svg .trait { fill: none; stroke: var(--encre); stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; }
svg .trait.acc { stroke: var(--accent); }
svg .grille { stroke: var(--filet); stroke-width: 1; }
svg .axe { stroke: var(--encre); stroke-width: 1; }
svg .debut { fill: var(--papier); stroke: var(--encre); stroke-width: 2; }
svg .fin { fill: var(--accent); stroke: var(--accent); }
svg .legende text { fill: var(--encre); }
.note { font-size: .85rem; color: var(--encre-douce); margin: .4rem 0 0; }