/* ==========================================================================
   ATLAS — feuille de style commune à tous les atlas
   Couleurs : variables en tête de fichier (thème sombre).
   ========================================================================== */
:root{
  --bg:#070a0e;
  --panel:#0d1218;
  --panel-2:#111925;
  --line:#1e2836;
  --ink:#e9eef4;
  --muted:#8c9bad;
  --teal:#08ddf6;
  --amber:#ffb454;
  --good:#5fd6a0;
  --bad:#ff6f6f;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"National 2","National2","National 2 Web",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:14px;line-height:1.5;overflow:hidden;
}
button{font:inherit;color:inherit;cursor:pointer}

/* ---------- layout ---------- */
.app{display:grid;grid-template-columns:220px 1fr 340px;height:100vh;transition:grid-template-columns .3s cubic-bezier(.4,0,.2,1)}
.rail{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;gap:2px;padding:14px 10px;overflow-y:auto}
.brandrow{display:flex;align-items:center;justify-content:space-between;gap:6px;margin:0 0 18px 0}
.brand-logo{height:48px;width:auto;display:block;transition:height .28s ease,opacity .26s ease}
.railtoggle{flex:none;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);background:var(--panel-2);
  color:var(--muted);font-size:15px;line-height:1;cursor:pointer}
.railtoggle:hover{color:var(--ink);border-color:#2e3d50}
.app.railclosed{grid-template-columns:64px 1fr 340px}
.app.railclosed .rail{padding:14px 8px;overflow:hidden}
.navgroup,.acct span:not(.av){opacity:1;transition:opacity .28s ease .08s}
.app.railclosed .navgroup,.app.railclosed .acct span:not(.av){opacity:0;visibility:hidden;pointer-events:none;transition:opacity .14s ease,visibility 0s .14s}
.app.railclosed .acctpanel{display:none}
.app.railclosed .brandrow{flex-direction:column;gap:10px;margin-bottom:10px}
.app.railclosed .brand-logo{height:40px;border-radius:50%}
.railtoggle{transition:transform .3s cubic-bezier(.4,0,.2,1)}
.app.railclosed .railtoggle{transform:rotate(180deg)}
.app.railclosed .acct{justify-content:center;padding:9px 0;gap:0}
.app.railclosed #navfoot{padding:10px 6px}
.navgroup{border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:8px}
.navgroup:last-child{border-bottom:none}
.navhead{width:100%;display:flex;align-items:center;justify-content:space-between;background:none;border:none;color:var(--muted);font-size:11px;letter-spacing:.05em;text-transform:uppercase;padding:8px 6px;border-radius:8px}
.navhead:hover{color:var(--ink);background:var(--panel-2)}
.navhead .chev{transition:transform .15s;font-size:10px}
.navgroup[data-open="false"] .chev{transform:rotate(-90deg)}
.navgroup[data-open="false"] .navlist{display:none}
.navlist{display:flex;flex-direction:column;gap:2px;padding-top:2px}
.sys{display:flex;align-items:center;gap:10px;width:100%;border:1px solid transparent;background:none;border-radius:9px;padding:9px 10px;color:var(--muted);text-align:left;font-size:13px}
.sys:hover{color:var(--ink);background:var(--panel-2)}
.sys[aria-pressed="true"]{color:var(--ink);background:var(--panel-2);border-color:var(--line);box-shadow:inset 2px 0 0 var(--teal)}
.sys[disabled]{opacity:.4;cursor:not-allowed}
.navfoot{margin-top:auto;padding-top:10px;border-top:1px solid var(--line)}
.acct{width:100%;display:flex;align-items:center;gap:8px;background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:8px 10px;color:var(--ink);font-size:12.5px;text-align:left}
.acct:hover{border-color:#33475c}
.acct .av{width:24px;height:24px;border-radius:50%;background:linear-gradient(160deg,var(--teal),#2a8f82);display:grid;place-items:center;font-size:11px;font-weight:600;color:#04120f;flex:none}
.acctpanel{background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:10px;margin-top:6px;font-size:12px}
.acctpanel input{margin-bottom:0}
.acct-note{color:var(--muted);font-size:11px;margin:0 0 8px;line-height:1.4}
.acct-row{display:flex;justify-content:space-between;padding:3px 0;color:#c4d0dd}
.acct-row span:first-child{color:var(--muted)}

.stage{position:relative;overflow:hidden;background:
  radial-gradient(70% 55% at 50% 40%,#131c26 0%,#0a0e13 55%,#070a0e 100%)}
#stage{width:100%;height:100%;display:block;touch-action:none;cursor:grab}
#stage.dragging{cursor:grabbing}
.stage-top{position:absolute;left:18px;top:16px;right:18px;display:flex;gap:10px;align-items:flex-start;pointer-events:none}
.title{font-family:"National 2","National2",system-ui,sans-serif;font-size:19px;letter-spacing:.2px}
.title small{display:block;font-family:"National 2","National2",system-ui,sans-serif;font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.zoom{position:absolute;right:18px;bottom:18px;display:flex;flex-direction:column;gap:6px}
.zoom button{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:rgba(13,18,24,.86);color:var(--muted);font-size:16px;line-height:1}
.zoom button:hover{color:var(--ink);border-color:#2e3d50}
.hint{position:absolute;left:18px;bottom:18px;color:#5d6b7c;font-size:11.5px}

.tip{position:absolute;pointer-events:none;background:rgba(9,13,18,.94);border:1px solid var(--line);
  padding:5px 9px;border-radius:7px;font-size:12.5px;white-space:nowrap;transform:translate(-50%,-150%);opacity:0;transition:opacity .09s;z-index:5}
.tip.on{opacity:1}

/* ---------- side panel ---------- */
.side{background:var(--panel);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.side section{padding:16px 18px;border-bottom:1px solid var(--line)}
.credit{position:fixed;right:10px;bottom:5px;z-index:20;max-width:min(560px,70vw);font-size:10px;line-height:1.3;color:var(--muted);opacity:.75;text-align:right;pointer-events:auto}
.credit a{color:inherit}
.credit:hover{opacity:1}
.langfoot{display:flex;justify-content:flex-end;padding:10px 18px 26px;border-top:1px solid var(--line)}
.langflag{width:40px;height:28px;padding:0;border-radius:6px;border:1px solid var(--line);background:none;overflow:hidden;display:grid;place-items:center;transition:transform .15s,border-color .15s}
.langflag:hover{transform:scale(1.08);border-color:var(--teal)}
.langflag:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.langflag .flag{width:100%;height:100%;display:block}
.langflag .flag-fr{display:none}
html[lang="en"] .langflag .flag-en{display:none}
html[lang="en"] .langflag .flag-fr{display:block}
.side h2{margin:0 0 10px;font-size:11.5px;font-weight:500;color:var(--muted);letter-spacing:.04em}
.modes{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.mode{padding:9px 8px;border-radius:9px;border:1px solid var(--line);background:var(--panel-2);color:var(--muted);font-size:12.5px;text-align:center}
.mode:hover{color:var(--ink)}
.mode[aria-pressed="true"]{background:var(--teal);border-color:var(--teal);color:#04120f;font-weight:500}
select,input[type=text]{width:100%;padding:9px 10px;border-radius:9px;border:1px solid var(--line);background:var(--panel-2);color:var(--ink);outline:none}
input[type=text]:focus,select:focus{border-color:var(--teal)}
.scores{display:flex;gap:8px}
.score{flex:1;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:9px 10px}
.score b{display:block;font-family:"National 2","National2",system-ui,sans-serif;font-size:20px;font-weight:600}
.score span{font-size:11px;color:var(--muted)}
.flow{flex:1;overflow:auto;padding:16px 18px}
.ask{font-family:"National 2","National2",system-ui,sans-serif;font-size:15.5px;margin:0 0 4px}
.ask em{color:var(--amber);font-style:normal}
.sub{color:var(--muted);font-size:12px;margin:0 0 14px}
.opts{display:grid;gap:7px}
.opt{text-align:left;padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel-2);font-size:13.5px}
.opt:hover:not(:disabled){border-color:#33475c}
.opt:disabled{cursor:default}
.opt.good{border-color:var(--good);background:rgba(95,214,160,.12)}
.opt.bad{border-color:var(--bad);background:rgba(255,111,111,.1)}
.row{display:flex;gap:7px;margin-top:9px}
.btn{padding:10px 13px;border-radius:9px;border:1px solid var(--line);background:var(--panel-2);font-size:13px}
.btn:hover{border-color:#33475c}
.btn.primary{background:var(--teal);border-color:var(--teal);color:#04120f;font-weight:500}
.verdict{margin-top:13px;padding:11px 12px;border-radius:10px;font-size:13px;border:1px solid var(--line);background:var(--panel-2)}
.verdict.good{border-color:rgba(95,214,160,.5)}
.verdict.bad{border-color:rgba(255,111,111,.45)}
.verdict b{font-family:"National 2","National2",system-ui,sans-serif}
.card-name{font-family:"National 2","National2",system-ui,sans-serif;font-size:20px;margin:0}
.card-meta{color:var(--muted);font-size:12px;margin:2px 0 10px}
.card-info{font-size:13.2px;color:#c4d0dd}
.empty{color:var(--muted);font-size:13px}

/* ---------- calques anatomiques ---------- */
.layer{display:none}
.layer.on{display:block}
.it{cursor:pointer}
.mcap{fill:var(--muted);font-size:30px;letter-spacing:.02em}
.it .zone{pointer-events:fill;fill:rgba(255,255,255,.001);fill-rule:evenodd;stroke:transparent;stroke-width:1.4;vector-effect:non-scaling-stroke;stroke-linejoin:round}
.it:hover .zone{fill:rgba(0,255,230,.55);stroke:#eaffff;stroke-width:2}
.it:hover{filter:drop-shadow(0 0 7px rgba(0,255,230,.95)) drop-shadow(0 0 16px rgba(0,255,230,.55))}
.it.sel .zone{fill:rgba(0,255,200,.6);stroke:#e6fffa;stroke-width:2}
.it.target .zone{fill:rgba(255,215,0,.72);stroke:#fffbe0;stroke-width:2.2}
.it.ok .zone{fill:rgba(0,255,150,.78);stroke:#e6fff2;stroke-width:2.2}
.it.no .zone{fill:rgba(255,55,95,.72);stroke:#ffe6ec;stroke-width:2.2}
#sys-bones .draw{filter:saturate(.22) brightness(1.16)}
.it.target{animation:pulse 1.6s ease-in-out infinite}
.it.ok{filter:drop-shadow(0 0 9px rgba(0,255,150,1)) drop-shadow(0 0 20px rgba(0,255,150,.6))}
.it.no{filter:drop-shadow(0 0 9px rgba(255,55,95,.95)) drop-shadow(0 0 18px rgba(255,55,95,.5))}
.it.dim{opacity:.18;pointer-events:none}
@keyframes pulse{0%,100%{filter:drop-shadow(0 0 3px rgba(255,215,0,.7))}50%{filter:drop-shadow(0 0 12px rgba(255,215,0,1)) drop-shadow(0 0 22px rgba(255,215,0,.6))}}
@media (prefers-reduced-motion:reduce){.it.target{animation:none;filter:drop-shadow(0 0 5px rgba(255,180,84,.9))}}
.check{display:flex;gap:8px;align-items:center;margin-top:10px;font-size:12.5px;color:var(--muted);cursor:pointer}
.check input{accent-color:var(--teal)}
.stage-opt{position:absolute;right:18px;top:62px;z-index:5;margin:0;padding:8px 12px;border:1px solid var(--line);
  border-radius:10px;background:rgba(13,18,24,.88);backdrop-filter:blur(3px);color:var(--ink);font-size:12.5px}

@media (max-width:1080px){
  body{overflow:auto}
  .app{grid-template-columns:64px 1fr;grid-template-rows:56vh auto;height:auto}
  .side{grid-column:1/-1;border-left:none;border-top:1px solid var(--line)}
  .rail{flex-direction:column}
  .credit{position:static;max-width:none;padding:8px 18px 0;text-align:left}
}

/* ---------- accès réservé, pied de page légal ---------- */
.sys .lock{margin-left:auto;font-size:11px;opacity:.7}
.stage.locked #stage{opacity:.12;pointer-events:none}
.flow .btn{display:inline-block;text-decoration:none;margin-top:6px}
.acctpanel .btn.primary{width:100%;margin-top:6px}
.acct-sep{height:1px;background:var(--line);margin:7px 0}
.legalnav{display:flex;flex-wrap:wrap;gap:4px 10px;padding:8px 18px 0;font-size:10.5px}
.legalnav a{color:var(--muted);text-decoration:none}
.legalnav a:hover{color:var(--ink);text-decoration:underline}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.title{margin:0;font-weight:400}
.noscript{position:fixed;inset:auto 0 0 0;margin:0;padding:10px;text-align:center;background:var(--panel);color:var(--ink)}