:root {
  --fond: #f4f5f7; --carte: #fff; --texte: #1d2330; --doux: #5d6578;
  --accent: #1f5fd1; --erreur: #b3261e; --ok: #1e7b3a; --attention: #8a5a00;
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--fond); color: var(--texte); }
header { padding: 1rem 1rem 0; max-width: 960px; margin: auto; }
h1 { font-size: 1.4rem; margin: 0 0 .25rem; }
h1 small { font-size: .8rem; font-weight: normal; color: var(--doux); }
.sous-titre { color: var(--doux); margin: 0; font-size: .9rem; }
main { max-width: 960px; margin: auto; padding: 1rem; display: grid; gap: 1rem; }
.carte { background: var(--carte); border-radius: 12px; padding: 1rem; box-shadow: 0 1px 3px rgb(0 0 0 / .08); }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 .5rem; }
.boutons { display: flex; flex-wrap: wrap; gap: .5rem; margin: .5rem 0; }
.bouton {
  display: inline-flex; align-items: center; gap: .4rem; padding: .7rem 1rem; border-radius: 10px;
  border: 1px solid #c9cedb; background: #fff; color: var(--texte); font: inherit; cursor: pointer;
}
.bouton.principal { background: var(--accent); border-color: var(--accent); color: #fff; }
details { margin-top: .75rem; }
summary { cursor: pointer; color: var(--doux); }
.options { display: grid; gap: .75rem; margin-top: .75rem; }
.options label { display: grid; gap: .25rem; font-size: .9rem; }
.options input, .options select { font: inherit; padding: .5rem; border: 1px solid #c9cedb; border-radius: 8px; }
.ligne { display: flex; align-items: center; gap: .4rem; }
.ligne input { width: 6rem; }
.cadre-canvas { position: relative; }
#canvas { width: 100%; height: auto; touch-action: none; border-radius: 8px; background: #ddd; display: block; }
#loupe { position: absolute; top: 8px; left: 8px; width: 160px; height: 160px; border: 2px solid #fff; border-radius: 50%; box-shadow: 0 2px 8px rgb(0 0 0 / .4); pointer-events: none; }
.aide { color: var(--attention); font-size: .9rem; }
.attente { color: var(--accent); font-weight: 600; }
.erreur { background: #fdecea; color: var(--erreur); border-radius: 8px; padding: .75rem; font-weight: 600; white-space: pre-wrap; }
.journal, .avertissements { padding-left: 1.2rem; margin: .5rem 0; font-size: .9rem; }
.journal li { color: var(--ok); }
.avertissements li { color: var(--attention); }
.tableau { margin-bottom: 1rem; overflow-x: auto; }
.tableau h4 { margin: .5rem 0; font-size: .95rem; font-family: ui-monospace, monospace; direction: ltr; }
table { border-collapse: collapse; font-size: .9rem; }
td, th { border: 1px solid #d5d9e2; padding: .3rem .5rem; white-space: pre-wrap; vertical-align: top; unicode-bidi: plaintext; }
th { background: #eef1f6; color: var(--doux); font-weight: normal; font-size: .75rem; }
td.vide { background: #fafafa; }
pre { background: #f6f8fa; border-radius: 8px; padding: .75rem; overflow: auto; max-height: 50vh; font-size: .8rem; unicode-bidi: plaintext; }