/* ==========================================================================
   À nos trousses — feuille de style commune
   Licence MIT. Polices : SIL Open Font License (voir assets/fonts/).
   ========================================================================== */

@font-face{font-family:"Atkinson";src:url("../fonts/atkinson-hyperlegible-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Atkinson";src:url("../fonts/atkinson-hyperlegible-latin-400-italic.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Atkinson";src:url("../fonts/atkinson-hyperlegible-latin-700-normal.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Atkinson";src:url("../fonts/atkinson-hyperlegible-latin-700-italic.woff2") format("woff2");font-weight:700;font-style:italic;font-display:swap}
@font-face{font-family:"Kalam";src:url("../fonts/kalam-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Kalam";src:url("../fonts/kalam-latin-700-normal.woff2") format("woff2");font-weight:700;font-display:swap}

:root{
  /* Papier chaud et encre profonde */
  --papier:#FFFAF3;
  --papier-2:#F6EEE3;
  --blanc:#FFFFFF;
  --encre:#24203A;
  --encre-2:#565170;
  --encre-3:#8C869F;
  --trait:#ECE2D6;
  --trait-fort:#D6C8B7;

  --crayon:#FFB020;
  --crayon-clair:#FFF0CC;
  --rouge:#D63B2F;
  --vert:#21875A;

  /* Couleurs des familles, vives et chaudes */
  --c-geometrie:#0F9B8E;
  --c-calcul:#3D6DE0;
  --c-donnees:#F0803C;
  --c-classe:#4AA34B;
  --c-activites:#E04D8C;
  --c-jeux:#8A5CF0;
  --c-outil:var(--encre);

  --rayon:18px;
  --rayon-petit:10px;
  --ombre:0 1px 2px rgba(60,40,20,.06), 0 10px 30px -14px rgba(60,40,20,.25);
  --ombre-forte:0 2px 4px rgba(60,40,20,.08), 0 22px 44px -18px rgba(60,40,20,.38);
  --police:"Atkinson", "Segoe UI", system-ui, -apple-system, sans-serif;
  --police-main:"Kalam", "Comic Sans MS", cursive;
  font-size:16px;
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;font-family:var(--police);color:var(--encre);line-height:1.5;background:var(--papier)}
h1,h2,h3,h4{margin:0;line-height:1.15;font-weight:700}
p{margin:0}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
img,svg,canvas{max-width:100%}
:focus-visible{outline:3px solid var(--crayon);outline-offset:2px}

.lien-evitement{position:absolute;left:-999px;top:0;background:var(--encre);color:#fff;padding:8px 14px;z-index:100}
.lien-evitement:focus{left:8px;top:8px}

/* ---------- En-tête ---------- */
.entete{position:sticky;top:0;z-index:40;background:rgba(255,250,243,.86);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--trait)}
.entete-in{max-width:1280px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:14px;min-height:60px}
.marque{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:1.12rem;letter-spacing:-.01em;white-space:nowrap}
.marque svg{width:34px;height:34px;flex:none}
.entete-sep{display:none}
.entete-titre{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;font-weight:700;padding-left:14px;border-left:1px solid var(--trait-fort)}
.entete-titre .num{display:none}
.entete-titre .nom{overflow:hidden;text-overflow:ellipsis}
.entete-titre .chap{font-size:.78rem;font-weight:700;color:var(--c-outil);background:color-mix(in srgb,var(--c-outil) 12%,white);padding:3px 10px;border-radius:999px}
.entete-titre .pastille{display:none}
.entete-actions{margin-left:auto;display:flex;gap:4px;align-items:center}
.entete-baseline{margin-left:auto;color:var(--encre-3);font-size:.92rem}
@media (max-width:760px){.entete-titre .chap,.entete-baseline{display:none}.entete-actions .btn span{display:none}}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:8px 15px;min-height:38px;border-radius:var(--rayon-petit);
  border:1.5px solid var(--trait-fort);background:#fff;
  font-weight:700;font-size:.9rem;cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background .15s,border-color .15s,transform .08s,box-shadow .15s;
}
.btn:hover{border-color:var(--encre-2);box-shadow:0 4px 12px -8px rgba(60,40,20,.5)}
.btn:active{transform:translateY(1px)}
.btn svg{width:17px;height:17px;flex:none}
.btn-plein{background:var(--encre);border-color:var(--encre);color:#fff}
.btn-plein:hover{background:#3A3456;border-color:#3A3456}
.btn-couleur{background:var(--c-outil);border-color:var(--c-outil);color:#fff}
.btn-couleur:hover{filter:brightness(1.08);border-color:var(--c-outil)}
.btn-discret{background:transparent;border-color:transparent}
.btn-discret:hover{background:var(--papier-2);border-color:transparent;box-shadow:none}
.btn-petit{padding:5px 11px;min-height:32px;font-size:.84rem}
.btn-icone{padding:6px;min-width:38px}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* Groupes segmentés */
.seg{display:flex;flex-wrap:wrap;gap:3px;background:var(--papier-2);padding:3px;border-radius:12px}
.seg button{flex:1 1 auto;border:0;background:transparent;padding:6px 11px;border-radius:9px;font-size:.85rem;font-weight:700;color:var(--encre-2);cursor:pointer;min-height:31px}
.seg button:hover{background:rgba(255,255,255,.7)}
.seg button[aria-pressed="true"]{background:#fff;color:var(--c-outil);box-shadow:0 1px 3px rgba(60,40,20,.18)}

/* ---------- Champs ---------- */
.champ{display:flex;flex-direction:column;gap:4px;min-width:0}
.champ>span,.etiquette{font-size:.76rem;font-weight:700;color:var(--encre-2);text-transform:uppercase;letter-spacing:.06em}
.saisie,select.saisie,textarea.saisie{
  width:100%;padding:7px 11px;border:1.5px solid var(--trait-fort);border-radius:var(--rayon-petit);
  background:var(--blanc);min-height:38px;
}
.saisie:focus{outline:none;border-color:var(--c-outil);box-shadow:0 0 0 3px color-mix(in srgb,var(--c-outil) 18%,white)}
.saisie.erreur{border-color:var(--rouge)}
.case{display:flex;align-items:flex-start;gap:8px;cursor:pointer;font-size:.92rem;line-height:1.35}
.case input{width:18px;height:18px;margin:1px 0 0;accent-color:var(--c-outil);flex:none}
.grille2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.grille3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.pile{display:flex;flex-direction:column;gap:12px}
.ligne{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.discret{color:var(--encre-3)}
.petit{font-size:.85rem}
.message-erreur{color:var(--rouge);font-size:.88rem;font-weight:700}
.message-erreur:empty{display:none}

/* ---------- Mise en page d'un outil ---------- */
.outil{max-width:1280px;margin:0 auto;padding:22px 20px 60px}
.outil-intro{margin-bottom:20px;display:flex;flex-wrap:wrap;gap:4px 22px;align-items:baseline}
.outil-intro h1{font-size:clamp(1.45rem,2.8vw,1.9rem);letter-spacing:-.01em}
.outil-intro h1 .num{display:none}
.outil-intro p{color:var(--encre-2);max-width:72ch}
.outil-grille{display:grid;grid-template-columns:330px minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:900px){.outil-grille{grid-template-columns:minmax(0,1fr)}}

.panneau{background:#fff;border:1px solid var(--trait);border-radius:var(--rayon);box-shadow:var(--ombre);padding:16px 18px;display:flex;flex-direction:column;gap:14px}
.panneau h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--c-outil);display:flex;align-items:center;gap:8px}
.section{display:flex;flex-direction:column;gap:9px}
.section+.section{border-top:1px solid var(--trait);padding-top:14px}
details.section>summary{cursor:pointer;font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--encre);font-weight:700;list-style:none;display:flex;align-items:center;gap:6px}
details.section>summary::before{content:"▸";transition:transform .15s}
details.section[open]>summary::before{transform:rotate(90deg)}
details.section>summary::-webkit-details-marker{display:none}

.scene{background:#fff;border:1px solid var(--trait);border-radius:var(--rayon);box-shadow:var(--ombre);display:flex;flex-direction:column;min-width:0;overflow:hidden}
.scene-barre{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:10px 12px;border-bottom:1px solid var(--trait)}
.scene-barre .espace{flex:1}
.scene-zone{position:relative;padding:18px;display:flex;justify-content:center;align-items:center;min-height:380px;overflow:auto}
.scene-pied{padding:10px 12px;border-top:1px solid var(--trait);display:flex;flex-wrap:wrap;gap:8px;align-items:center}

/* Notification */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--encre);color:#fff;padding:10px 18px;border-radius:999px;font-weight:700;font-size:.92rem;opacity:0;pointer-events:none;transition:all .2s;z-index:200;max-width:90vw;text-align:center}
.toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}

/* Pied de page */
.pied{max-width:1280px;margin:30px auto 0;padding:18px 20px 40px;color:var(--encre-3);font-size:.85rem;display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:space-between;border-top:1px solid var(--trait)}

/* Mode projection : agrandit l'espace de travail pour le vidéoprojecteur */
body.projection .entete,body.projection .outil-intro,body.projection .pied{display:none}
body.projection .outil{max-width:none;padding:10px}
body.projection .outil-grille{grid-template-columns:300px minmax(0,1fr)}
body.projection.sans-panneau .outil-grille{grid-template-columns:minmax(0,1fr)}
body.projection.sans-panneau .panneau{display:none}
.quitter-projection{position:fixed;right:12px;top:12px;z-index:60;display:none}
body.projection .quitter-projection{display:inline-flex}

/* Impression */
@media print{
  body{background:#fff}
  .entete,.panneau,.scene-barre,.scene-pied,.pied,.outil-intro,.non-imprime,.quitter-projection,.toast{display:none!important}
  .outil,.outil-grille{display:block;padding:0;max-width:none}
  .scene{border:0;box-shadow:none}
  .scene-zone{padding:0;min-height:0;overflow:visible}
}
.imprime-seulement{display:none}
@media print{.imprime-seulement{display:block}}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}