/* ============================================================
   Phénomènes : habillage commun à toutes les simulations.
   Scène noire plein écran, panneau en verre, télémétrie,
   mode créateur. Chaque simulation ajoute ensuite son propre
   style dans sa page.
   ============================================================ */
:root{
  --stage:#000000;
  --glass:rgba(244,246,250,.9);
  --btn:rgba(255,255,255,.72);
  --ink:#0D1017;
  --muted:#5C6475;
  --hair:rgba(13,16,23,.12);
  --seg-bg:rgba(13,16,23,.06);
  --ind:#FFFFFF;
  --a1:#ff3b3b;--a2:#3bffb0;--a3:#b43bff;
  --agrad:linear-gradient(90deg,var(--a1),var(--a2),var(--a3));
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --glass:rgba(9,11,17,.6);
    --btn:rgba(255,255,255,.04);
    --ink:#EDF0F6;
    --muted:#8C95A8;
    --hair:rgba(255,255,255,.11);
    --seg-bg:rgba(255,255,255,.05);
    --ind:#151923;
  }
}
:root[data-theme="dark"]{
  --glass:rgba(9,11,17,.6);
  --btn:rgba(255,255,255,.04);
  --ink:#EDF0F6;
  --muted:#8C95A8;
  --hair:rgba(255,255,255,.11);
  --seg-bg:rgba(255,255,255,.05);
  --ind:#151923;
}
*,*::before,*::after{box-sizing:inherit}
[hidden]{display:none!important}
html,body{height:100%;margin:0;overflow:hidden}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{
  --base:var(--sheetH,0px);
  background:var(--stage);color:var(--ink);
  font-family:"Geist","Helvetica Neue",Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
body.film{--base:env(safe-area-inset-bottom,0px)}

/* ---------- scène ---------- */
.stage{position:fixed;inset:0;background:var(--stage);touch-action:none;cursor:crosshair}
.stage canvas.layer{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none}
#glow{mix-blend-mode:screen;opacity:0;transition:opacity .3s ease}
body.glow-douce #glow{opacity:.85;filter:blur(7px) brightness(1.25)}
body.glow-intense #glow{opacity:1;filter:blur(12px) brightness(1.9)}

/* ---------- titre et retour ---------- */
.hud{
  position:absolute;left:22px;right:72px;
  top:calc(env(safe-area-inset-top,0px) + 22px);
  pointer-events:none;color:#fff;
}
.big{
  font-family:"Unbounded","Helvetica Neue",Arial,sans-serif;font-weight:700;
  font-size:clamp(26px,7.8vw,50px);line-height:1.02;letter-spacing:-.03em;margin:0;
}
.small{margin:10px 0 0;font-size:15.5px;line-height:1.45;max-width:30ch;color:rgba(255,255,255,.62)}
.home{
  position:absolute;right:16px;top:calc(env(safe-area-inset-top,0px) + 18px);
  width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  color:#fff;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);text-decoration:none;
}
.home svg{width:18px;height:18px}
body.film .home{display:none}

/* ---------- télémétrie ---------- */
.tele{
  position:absolute;left:22px;right:22px;
  bottom:calc(var(--base) + 16px);
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;column-gap:0;
  color:#fff;pointer-events:none;
}
.tcol{padding:0 16px;border-left:1px solid rgba(255,255,255,.14);min-width:0}
.tcol:first-child{padding-left:0;border-left:0}
.tl{display:block;font-size:12px;color:rgba(255,255,255,.5);margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tv{display:flex;align-items:center;gap:7px;font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dot{width:7px;height:7px;border-radius:50%;background:#fff;flex:none}
.dot.live{background:var(--a2);box-shadow:0 0 10px 1px var(--a2);animation:blink 1s ease-in-out infinite}
.dot.done{background:var(--a3);box-shadow:0 0 10px 1px var(--a3)}
@keyframes blink{50%{opacity:.35}}
.spark{grid-column:1/-1;width:100%;height:38px;margin-top:10px;display:block}

/* ---------- phrase finale et aide ---------- */
.punch,.hint{
  position:absolute;left:22px;right:22px;margin:0;color:#fff;pointer-events:none;
  bottom:calc(var(--base) + var(--teleH,0px) + 30px);
}
.punch{
  font-family:"Unbounded","Helvetica Neue",Arial,sans-serif;font-weight:700;
  font-size:clamp(26px,7.6vw,50px);line-height:1.05;letter-spacing:-.03em;
  opacity:0;transform:translateY(10px);
  transition:opacity .9s ease,transform .9s ease;
}
.punch.on{opacity:1;transform:none}
.hint{font-size:14.5px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:9px}
.hint::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--a2);box-shadow:0 0 10px 2px var(--a2);animation:blink 1.4s ease-in-out infinite;flex:none}
body.running .hint,body.film .hint{display:none}
body.nohud .hud,body.nohud .tele,body.nohud .punch{display:none}

/* ---------- panneau de verre ---------- */
.sheet{
  position:fixed;left:0;right:0;bottom:0;
  background:var(--glass);color:var(--ink);
  -webkit-backdrop-filter:blur(22px) saturate(160%);backdrop-filter:blur(22px) saturate(160%);
  border-radius:22px 22px 0 0;
  padding:8px 16px calc(12px + env(safe-area-inset-bottom,0px));
  border-top:1px solid var(--hair);
}
.sheet::before{
  content:"";position:absolute;left:14%;right:14%;top:-1px;height:1px;
  background:var(--agrad);opacity:.85;filter:blur(.3px);
}
.sheet-in{max-width:560px;margin:0 auto}
body.film .sheet{display:none}
.handle{
  display:block;width:100%;height:18px;border:0;background:none;cursor:pointer;padding:0;margin:0 0 4px;
  -webkit-touch-callout:none;-webkit-user-select:none;user-select:none;
}
.handle::after{content:"";display:block;width:38px;height:4px;border-radius:2px;background:var(--hair);margin:6px auto 0}

.actions{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) minmax(0,1fr);gap:8px}
.actions button{
  font:inherit;font-weight:600;font-size:14.5px;cursor:pointer;color:var(--ink);
  border-radius:14px;min-height:50px;padding:0 8px;white-space:nowrap;min-width:0;overflow:hidden;
  display:flex;align-items:center;justify-content:center;gap:7px;
  background:var(--btn);border:1px solid var(--hair);
  transition:transform .08s ease,box-shadow .25s ease;
}
.actions button:active{transform:scale(.98)}
.actions svg{width:17px;height:17px;flex:none}
.actions .go{
  background:linear-gradient(var(--ind),var(--ind)) padding-box, var(--agrad) border-box;
  border:1.5px solid transparent;
  box-shadow:0 0 26px -8px var(--a2), inset 0 0 18px -10px var(--a2);
}
body:not(.studio) #film,body:not(.studio) .studio-only{display:none}
body:not(.studio) .actions{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}

.presets{
  display:flex;gap:8px;overflow-x:auto;margin:12px -16px 0;padding:2px 16px 4px;
  scrollbar-width:none;
}
.presets::-webkit-scrollbar{display:none}
.preset{
  flex:none;display:flex;align-items:center;gap:8px;cursor:pointer;
  font:inherit;font-size:14px;font-weight:500;color:var(--ink);
  padding:5px 13px 5px 5px;border-radius:999px;
  background:var(--seg-bg);border:1px solid var(--hair);
}
.preset i{width:24px;height:24px;border-radius:50%;display:block;flex:none}
.preset[aria-pressed="true"]{
  background:linear-gradient(var(--ind),var(--ind)) padding-box, var(--pg,var(--agrad)) border-box;
  border:1px solid transparent;
  box-shadow:0 0 16px -6px var(--pc,var(--a2));
}

.panel{
  display:none;max-height:min(46vh,440px);overflow-y:auto;margin-top:10px;
  border-top:1px solid var(--hair);
}
body.open .panel{display:block;animation:rise .28s ease-out}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.grp{padding:4px 0 14px;border-bottom:1px solid var(--hair)}
.gt{margin:14px 0 2px;font-size:13px;font-weight:600;color:var(--muted)}

.field{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px;margin-top:10px}
.lab{font-size:14.5px;white-space:nowrap}
.seg{position:relative;display:flex;background:var(--seg-bg);border:1px solid var(--hair);border-radius:11px;padding:3px;gap:2px}
.seg .ind{
  position:absolute;top:3px;bottom:3px;left:0;width:0;border-radius:8px;
  background:linear-gradient(var(--ind),var(--ind)) padding-box, var(--agrad) border-box;
  border:1px solid transparent;
  box-shadow:0 0 14px -5px var(--a2);
}
.seg.ready .ind{transition:transform .26s cubic-bezier(.3,.7,.2,1),width .26s cubic-bezier(.3,.7,.2,1)}
.seg button{
  position:relative;z-index:1;
  font:inherit;font-size:14px;font-weight:500;cursor:pointer;
  border:0;border-radius:8px;padding:8px 10px;background:transparent;color:var(--muted);
  font-variant-numeric:tabular-nums;white-space:nowrap;transition:color .2s ease;
}
.seg button[aria-pressed="true"]{color:var(--ink)}
.swatches{display:flex;gap:10px}
.swatches button{width:30px;height:30px;border-radius:50%;cursor:pointer;border:0;padding:0;opacity:.75;transition:opacity .2s ease}
.swatches button[aria-pressed="true"]{opacity:1;box-shadow:0 0 0 2px var(--glass),0 0 0 3.5px var(--ink),0 0 18px -2px var(--sc)}

/* curseur continu */
.slider{display:flex;align-items:center;gap:12px;flex:1 1 200px;min-width:0}
.slider input[type=range]{
  flex:1;min-width:0;appearance:none;-webkit-appearance:none;height:28px;background:none;margin:0;cursor:pointer;
}
.slider input[type=range]::-webkit-slider-runnable-track{height:5px;border-radius:3px;background:var(--seg-bg);border:1px solid var(--hair)}
.slider input[type=range]::-moz-range-track{height:5px;border-radius:3px;background:var(--seg-bg);border:1px solid var(--hair)}
.slider input[type=range]::-webkit-slider-thumb{
  appearance:none;-webkit-appearance:none;width:20px;height:20px;border-radius:50%;margin-top:-8.5px;
  background:var(--agrad);border:2px solid var(--ind);box-shadow:0 0 12px -2px var(--a2);
}
.slider input[type=range]::-moz-range-thumb{
  width:18px;height:18px;border-radius:50%;
  background:var(--a2);border:2px solid var(--ind);box-shadow:0 0 12px -2px var(--a2);
}
.slider output{font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;min-width:4.6em;text-align:right;white-space:nowrap}

.tog{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:12px;font-size:14.5px;cursor:pointer}
.sw{
  appearance:none;-webkit-appearance:none;flex:none;margin:0;cursor:pointer;
  width:42px;height:25px;border-radius:13px;position:relative;
  background:var(--seg-bg);border:1px solid var(--hair);transition:background .2s ease;
}
.sw::before{
  content:"";position:absolute;top:2px;left:2px;width:19px;height:19px;border-radius:50%;
  background:var(--muted);transition:transform .22s cubic-bezier(.3,.7,.2,1),background .2s ease;
}
.sw:checked{background:var(--agrad);border-color:transparent}
.sw:checked::before{transform:translateX(17px);background:#fff;box-shadow:0 0 10px rgba(255,255,255,.7)}
.note{margin:14px 0 6px;font-size:12.5px;line-height:1.5;color:var(--muted)}

/* ---------- message passager ---------- */
.toast{
  position:fixed;left:50%;top:calc(env(safe-area-inset-top,0px) + 16px);z-index:60;
  transform:translate(-50%,-8px);opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;
  padding:10px 16px;border-radius:999px;font-size:14px;font-weight:600;color:#fff;white-space:nowrap;
  background:rgba(12,14,20,.85);border:1px solid rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.toast.on{opacity:1;transform:translate(-50%,0)}

:focus-visible{outline:2px solid var(--a2);outline-offset:2px}
@media (prefers-reduced-motion: reduce){
  .punch,#glow,.sw,.sw::before,.seg.ready .ind{transition:none}
  .dot.live,.hint::before,body.open .panel{animation:none}
}