:root{
  --bg:#f4f4f6; --surface:#ffffff; --ink:#1d1d1f; --muted:#5b5b62;
  --line:#d7d7dd; --accent:#1d4ed8; --accent-ink:#ffffff;
  --focus:#0b5bd3; --radius:14px; --shadow:0 2px 10px rgba(0,0,0,.08);
  --grpA:#2a9d8f; --grpB:#457b9d; --grpC:#8d7be0;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,
    Arial,sans-serif;
  background:var(--bg); color:var(--ink); line-height:1.45;
  -webkit-text-size-adjust:100%;
}
a{color:var(--accent)}
button{font:inherit}
.skip-link{position:absolute;left:-999px;top:0;background:#000;color:#fff;
  padding:10px 14px;z-index:1000;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ---------- Header / nav ---------- */
.app-header{
  position:sticky;top:0;z-index:50;display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;
  background:#1d1d1f;color:#fff;padding:10px 16px;box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand-flag{font-size:1.4rem}
.brand-text{font-size:1.02rem;line-height:1.1}
.brand-sub{font-weight:400;opacity:.8;font-size:.8rem;display:block}
.app-nav{display:flex;gap:6px;flex-wrap:wrap}
.nav-link{
  color:#e9e9ee;text-decoration:none;padding:8px 14px;border-radius:999px;
  font-weight:600;font-size:.92rem;border:1px solid transparent;
}
.nav-link:hover{background:#2e2e33}
.nav-link.active{background:#fff;color:#1d1d1f}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}

main{padding:18px 16px 40px;max-width:1240px;margin:0 auto}
.page-title{font-size:1.4rem;margin:.2em 0}

/* ---------- Boutons ---------- */
.btn{
  background:var(--surface);border:1.5px solid var(--line);color:var(--ink);
  padding:9px 14px;border-radius:10px;cursor:pointer;font-weight:600;
  min-height:42px;
}
.btn:hover{border-color:#9a9aa3}
.btn-primary{background:var(--accent);border-color:var(--accent);
  color:var(--accent-ink)}
.btn-primary:hover{background:#1740b8}
.btn-danger{color:#7a1f1f;border-color:#e3b8b8}
.btn-danger:hover{background:#fbeaea}

/* ============ PAGE CARTE ============ */
/* Le panneau lateral est en priorite SECONDAIRE : plus etroit et discret,
   afin que la route et les avatars restent l'element dominant. */
.map-layout{display:grid;grid-template-columns:168px 1fr;gap:16px;align-items:start}
.resource-panel{
  background:transparent;border:1px dashed var(--line);border-radius:12px;
  padding:10px;box-shadow:none;position:sticky;top:74px;opacity:.8;
  transition:opacity .15s ease;
}
.resource-panel:hover,.resource-panel:focus-within{opacity:1}
.rp-title{margin:.1em 0 .5em;font-size:.82rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.rp-list{display:flex;flex-direction:column;gap:6px}
.rp-item{
  display:flex;align-items:center;gap:7px;text-decoration:none;
  border:1px solid var(--line);border-radius:8px;padding:7px 9px;
  color:var(--muted);font-weight:600;font-size:.82rem;background:#fafafb;
}
.rp-item:hover{border-color:var(--accent);background:#eef3ff;color:var(--ink)}
.rp-item.priority{border-color:#bcbcc4;background:#efeff2;color:var(--ink)}
.rp-item.priority:hover{border-color:var(--accent);background:#eef3ff}
.rp-num{font-size:.72rem;opacity:.6;min-width:16px}

.route-section{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);
}
.route-toolbar{margin-bottom:8px}
.route-help{color:var(--muted);font-size:.9rem;margin:.2em 0 0}
.route-container{position:relative;width:100%;min-height:520px}
.route-path{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.bornes-layer,.avatars-layer{position:absolute;inset:0}
.avatars-layer{pointer-events:none}

/* Bornes : noir et blanc */
.borne{
  position:absolute;transform:translate(-50%,-50%);
  width:74px;min-height:74px;border:3px solid #111;background:#fff;
  border-radius:14px;display:flex;flex-direction:column;align-items:center;
  justify-content:center;text-align:center;cursor:default;padding:6px 4px;
  box-shadow:0 1px 4px rgba(0,0,0,.18);
}
.borne .b-num{font-weight:800;font-size:1.05rem;line-height:1}
.borne .b-name{font-size:.66rem;color:#111;margin-top:3px;font-weight:600;
  word-break:break-word;max-width:68px}
.borne.has-link{cursor:pointer}
.borne.has-link:hover{background:#111;color:#fff}
.borne.has-link:hover .b-name{color:#fff}
.borne.has-link::after{content:"\1F517";position:absolute;top:-9px;right:-9px;
  background:#fff;border:2px solid #111;border-radius:50%;font-size:.6rem;
  width:20px;height:20px;display:flex;align-items:center;justify-content:center}

/* Avatars au-dessus de la route */
.avatar{
  position:absolute;transform:translate(-50%,-100%);pointer-events:auto;
  cursor:pointer;display:flex;flex-direction:column;align-items:center;
  border:none;background:transparent;padding:0;
}
.avatar .av-dot{
  width:var(--dot,38px);height:var(--dot,38px);border-radius:50%;display:flex;
  align-items:center;justify-content:center;font-size:calc(var(--dot,38px)*.55);
  border:2px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,.3);line-height:1;
}
/* Nom : masque par defaut, tres visible au survol / clic */
.avatar .av-name{
  position:absolute;bottom:calc(100% + 3px);left:50%;transform:translateX(-50%);
  font-size:.92rem;font-weight:700;background:rgba(255,255,255,.97);
  padding:2px 8px;border-radius:7px;white-space:nowrap;border:1px solid var(--line);
  box-shadow:var(--shadow);display:none;pointer-events:none;
}
.avatar:hover,.avatar:focus-visible{z-index:40}
.avatar:hover .av-name,.avatar:focus-visible .av-name,.avatar.show-name .av-name,
.avatar.selected .av-name{display:block;z-index:50}
.avatar:hover .av-dot,.avatar.selected .av-dot{transform:scale(1.2)}
.avatar.selected .av-dot{outline:3px solid var(--accent);outline-offset:2px}

/* ============ PAGE VUE D'ENSEMBLE ============ */
.overview-wrap{display:flex;flex-direction:column;min-height:calc(100vh - 130px)}
.overview-head{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  align-items:center}
.overview-controls{display:inline-flex;align-items:center;gap:8px}
.sort-label{font-weight:600;font-size:.9rem}
.sort-select{font:inherit;font-weight:600;background:var(--surface);
  border:1.5px solid var(--line);padding:9px 12px;border-radius:10px;
  cursor:pointer;min-height:42px}
.legend{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0;align-items:center}
.legend-cap{font-size:.82rem;font-weight:600;color:var(--muted);margin-right:4px}
.legend-arrow{font-size:1.1rem;color:var(--muted);font-weight:700}
.legend-swatch{width:22px;height:14px;border-radius:4px;border:1px solid rgba(0,0,0,.2)}
.legend-pair{display:inline-flex;align-items:center;gap:5px;font-size:.8rem;
  font-weight:600;color:var(--muted)}
.pastilles-grid{
  display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(108px,1fr));
  grid-auto-rows:minmax(70px,1fr);flex:1 1 auto;align-content:stretch;
}
.pastille{
  border-radius:11px;padding:9px;color:#fff;cursor:pointer;border:none;
  text-align:left;box-shadow:var(--shadow);display:flex;flex-direction:column;
  gap:4px;min-height:70px;
}
.pastille .p-top{display:flex;align-items:center;gap:7px}
.pastille .p-emoji{font-size:1.25rem}
.pastille .p-name{font-weight:800;font-size:.85rem;line-height:1.1;word-break:break-word}
.pastille .p-level{font-size:.72rem;opacity:.95}
.pastille .p-bar{height:6px;background:rgba(128,128,128,.3);border-radius:999px;
  overflow:hidden;margin-top:auto}
.pastille .p-bar i{display:block;height:100%;background:currentColor;border-radius:999px;
  opacity:.85}
.pastille:hover{filter:brightness(1.06)}
.pastille.selected{outline:3px solid #111;outline-offset:2px}

/* ============ SECTION BAS DE PAGE (editeur) - tres compacte ============ */
.student-panel{
  position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--surface);
  border-top:2px solid var(--ink);box-shadow:0 -6px 24px rgba(0,0,0,.18);
  padding:5px 12px 7px;max-height:32vh;overflow-y:auto;
}
.sp-inner{max-width:1240px;margin:0 auto;position:relative}
.sp-close{position:absolute;right:0;top:-1px;border:none;background:transparent;
  font-size:1.4rem;line-height:1;cursor:pointer;color:var(--muted);width:30px;height:30px}
/* les boutons du panneau sont plus petits que les boutons standards */
.student-panel .btn{min-height:32px;padding:5px 10px;border-radius:8px}
.sp-head{display:flex;align-items:center;gap:8px}
.sp-avatar{font-size:1.15rem;width:32px;height:32px;border-radius:50%;display:flex;
  align-items:center;justify-content:center;border:2px solid var(--line);flex:0 0 auto}
.sp-name{margin:0;font-size:.95rem;line-height:1.1}
.sp-level{margin:0;color:var(--muted);font-size:.75rem}
/* 2 lignes seulement ; labels en ligne pour gagner de la hauteur */
.sp-row{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:center}
.sp-row1{margin-bottom:4px}
.sp-field{min-width:0;display:flex;align-items:center;gap:6px}
.sp-move-field{flex:0 0 auto}
.sp-link-field{flex:1 1 260px}
.sp-color-field{flex:0 0 auto}
.sp-avatar-field{flex:1 1 280px}
.sp-field label{font-weight:700;font-size:.72rem;color:var(--muted);
  white-space:nowrap;margin:0}
.sp-move{display:flex;gap:5px;align-items:center;flex:1;min-width:0}
.sp-move input[type=text]{flex:1;min-width:0;padding:5px 8px;border:1.5px solid var(--line);
  border-radius:8px;font:inherit;font-size:.82rem}
.sp-hint{font-size:.74rem;color:#15803d;font-weight:600;white-space:nowrap}
/* avatars : une seule ligne horizontale (defilement si necessaire) */
.sp-avatars{display:flex;flex-wrap:nowrap;gap:5px;overflow-x:auto;
  padding-bottom:2px;-webkit-overflow-scrolling:touch;flex:1}
.sp-avatars button{font-size:1.05rem;width:32px;height:32px;flex:0 0 auto;
  border-radius:8px;border:1.5px solid var(--line);background:#fff;cursor:pointer}
.sp-avatars button.active{border-color:var(--accent);background:#eef3ff}
.sp-colors{display:flex;flex-wrap:nowrap;gap:6px}
.sp-colors button{width:27px;height:27px;border-radius:50%;border:3px solid #fff;
  box-shadow:0 0 0 1.5px var(--line);cursor:pointer;flex:0 0 auto}
.sp-colors button.active{box-shadow:0 0 0 3px var(--ink)}

/* ============ PAGE REGLAGES ============ */
.login-wrap{display:flex;justify-content:center;padding:30px 0}
.login-card{background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;max-width:420px;width:100%;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.login-card label{font-weight:700;font-size:.9rem}
.login-card input{padding:11px;border:1.5px solid var(--line);border-radius:10px;font:inherit}
.login-text{color:var(--muted);margin:0}
.login-error{color:#7a1f1f;background:#fbeaea;border:1px solid #e3b8b8;
  padding:8px 12px;border-radius:8px;margin:0}
.settings-head{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  align-items:center}
.settings-actions{display:flex;gap:8px}
.settings-card{background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin:16px 0}
.settings-card h2{margin:.1em 0 .3em;font-size:1.15rem}
.card-help{color:var(--muted);font-size:.88rem;margin:0 0 12px}
.stack-list{display:flex;flex-direction:column;gap:10px;margin-bottom:12px}
.row-item{display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  border:1px solid var(--line);border-radius:10px;padding:8px}
.row-item .idx{font-weight:800;color:var(--muted);min-width:24px;text-align:center}
.row-item input[type=text],.row-item input[type=url]{
  flex:1;min-width:140px;padding:9px 10px;border:1.5px solid var(--line);
  border-radius:8px;font:inherit}
.row-item input[type=color]{width:46px;height:42px;border:1px solid var(--line);
  border-radius:8px;padding:2px;background:#fff;cursor:pointer}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .map-layout{grid-template-columns:150px 1fr}
}
@media (max-width:768px){
  .map-layout{grid-template-columns:1fr}
  .route-section{order:1}
  .resource-panel{position:static;order:2;opacity:1}
  .rp-list{flex-direction:row;flex-wrap:wrap}
  .rp-item{flex:1 1 130px}
  .brand-sub{display:none}
  .route-container{min-height:640px}
}
@media (max-width:480px){
  main{padding:12px 10px 40px}
  .borne{width:60px;min-height:60px}
  .borne .b-name{font-size:.58rem;max-width:54px}
  .avatar .av-dot{width:32px;height:32px;font-size:1rem}
  .pastilles-grid{grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:6px}
  .pastille{padding:7px;min-height:62px}
  .pastille .p-emoji{font-size:1.05rem}
  .pastille .p-name{font-size:.78rem}
}