/* EVO Electric Systems — Quadro CEA-SMART 3D */
body{margin:0}[hidden]{display:none!important}
/* Layout: full-bleed WebGL studio; brand and live status float on top, one control dock floats at the bottom. */
:root{
  --bg:#e4e5e8; --stage-a:#f6f6f7; --stage-b:#c2c6cc; --stage-glow:rgba(244,121,32,0);
  --fg:#14161a; --muted:#59606a; --line:rgba(20,22,26,.12);
  --panel:rgba(248,248,249,.82); --panel-strong:#ffffff; --seg:rgba(20,22,26,.07); --track:rgba(20,22,26,.22);
  --accent:#F47920; --on:#17a052; --warn:#d97706; --shadow:rgba(20,22,26,.14);
  --font-ui:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0b0c0e; --stage-a:#212328; --stage-b:#060708; --stage-glow:rgba(244,121,32,.14);
    --fg:#eceef1; --muted:#9aa1ab; --line:rgba(255,255,255,.1);
    --panel:rgba(19,21,24,.76); --panel-strong:#2b2e34; --seg:rgba(255,255,255,.06); --track:rgba(255,255,255,.22);
    --on:#3ddc84; --warn:#f5a524; --shadow:rgba(0,0,0,.45); color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0b0c0e; --stage-a:#212328; --stage-b:#060708; --stage-glow:rgba(244,121,32,.14);
  --fg:#eceef1; --muted:#9aa1ab; --line:rgba(255,255,255,.1);
  --panel:rgba(19,21,24,.76); --panel-strong:#2b2e34; --seg:rgba(255,255,255,.06); --track:rgba(255,255,255,.22);
  --on:#3ddc84; --warn:#f5a524; --shadow:rgba(0,0,0,.45); color-scheme:dark;
}
html,body{height:100%}
body{background:var(--bg);color:var(--fg);font-family:var(--font-ui);overflow:hidden;-webkit-font-smoothing:antialiased}
.app{position:relative;height:100%;overflow:hidden}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;outline:none}
.hud{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;gap:12px;
  padding-block:14px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));pointer-events:none}
.top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px 16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand .home{pointer-events:auto;display:block;border-radius:3px}
.brand .home:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.brand img{height:32px;width:auto;display:block;border-radius:2px;box-shadow:0 1px 2px var(--shadow)}
.brand .t{min-width:0}
.brand h1{margin:0;font:700 15px/1.15 var(--font-ui);letter-spacing:.01em;text-wrap:balance}
.brand p{margin:3px 0 0;font:500 12px/1.3 var(--font-ui);color:var(--muted)}
.top-right{display:flex;align-items:flex-start;gap:8px;margin-left:auto}
.lang{position:relative;pointer-events:auto;flex:none}
.lang summary{list-style:none;display:flex;align-items:center;gap:6px;min-height:32px;padding:0 10px;border:1px solid var(--line);border-radius:999px;background:var(--panel);font:600 12px/1 var(--font-ui);cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.lang summary::-webkit-details-marker{display:none}
.lang summary svg{width:15px;height:15px}
.lang summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.lang-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:130px;padding:6px;border:1px solid var(--line);border-radius:12px;background:var(--panel-strong);box-shadow:0 12px 32px var(--shadow);z-index:5}
.lang-menu a{display:block;padding:10px 12px;border-radius:8px;color:var(--fg);font:500 14px/1.2 var(--font-ui);text-decoration:none}
.lang-menu a:hover{background:var(--seg)}
.lang-menu a[aria-current]{color:var(--accent);font-weight:700}
.chips{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.chip{display:inline-flex;align-items:center;gap:7px;font:600 10.5px/1 var(--font-mono);letter-spacing:.07em;text-transform:uppercase;
  padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:var(--panel);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);white-space:nowrap}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--track);flex:none;transition:background .25s,box-shadow .25s}
.chip.on i{background:var(--on);box-shadow:0 0 8px var(--on)}
.chip.warn i{background:var(--warn);box-shadow:0 0 8px var(--warn)}
.bottom{display:flex;flex-direction:column;align-items:center;gap:10px}
.hint{margin:0;font:500 12px/1.4 var(--font-ui);color:var(--muted);text-align:center;text-wrap:balance}
.hint .t2{display:none}
@media (pointer:coarse){.hint .t1{display:none}.hint .t2{display:inline}}
.dock{pointer-events:auto;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;padding:7px;max-width:100%;
  border:1px solid var(--line);border-radius:16px;background:var(--panel);-webkit-backdrop-filter:blur(14px) saturate(1.2);backdrop-filter:blur(14px) saturate(1.2);box-shadow:0 12px 32px var(--shadow)}
.seg{display:flex;flex-wrap:wrap;gap:2px;padding:3px;border-radius:11px;background:var(--seg)}
.dock button{font:600 13px/1 var(--font-ui);color:var(--fg);background:transparent;border:0;border-radius:8px;padding:9px 11px;cursor:pointer;white-space:nowrap;transition:background .15s,box-shadow .15s}
.dock button:hover:not([aria-pressed="true"]){background:var(--seg)}
.seg button[aria-pressed="true"]{background:var(--panel-strong);box-shadow:0 1px 3px var(--shadow)}
.dock button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.tog{display:inline-flex;align-items:center;gap:8px}
.sw{position:relative;width:28px;height:16px;border-radius:999px;background:var(--track);transition:background .2s;flex:none}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.3);transition:transform .2s}
.tog[aria-pressed="true"] .sw{background:var(--accent)}
.tog[aria-pressed="true"] .sw::after{transform:translateX(12px)}
.vr{width:1px;align-self:stretch;background:var(--line)}
.loading{position:absolute;inset:0;display:grid;place-items:center;align-content:center;gap:14px;background:var(--bg);color:var(--muted);font:500 13px var(--font-ui);transition:opacity .6s ease}
.loading.done{opacity:0;pointer-events:none}
.loading .bar{width:160px;height:3px;border-radius:3px;background:var(--seg);overflow:hidden}
.loading .bar i{display:block;height:100%;width:40%;background:var(--accent);animation:ld 1.1s ease-in-out infinite}
@keyframes ld{0%{transform:translateX(-100%)}100%{transform:translateX(260%)}}
.fail{position:absolute;inset:0;display:grid;place-items:center;padding:24px;text-align:center;color:var(--muted);font:500 14px/1.5 var(--font-ui)}
@media (max-width:700px){
  .vr{display:none}
  .dock{gap:6px;padding:6px}
  .dock button{padding:8px 9px;font-size:12px}
  .brand img{height:26px}
  .brand h1{font-size:14px}
}
/* Telefono in orizzontale: comandi su una riga, così il quadro resta grande */
@media (max-height:500px){
  .hint,.brand p,.vr{display:none}
  .hud{padding-block:8px}
  .brand img{height:24px}
  .dock{flex-wrap:nowrap;gap:4px;padding:4px}
  .seg{flex-wrap:nowrap}
  .dock button{padding:7px 7px;font-size:11px}
  .tog{gap:5px}
  .chip{padding:5px 8px;font-size:9.5px}
}
@media (prefers-reduced-motion:reduce){.loading .bar i{animation:none;width:100%}.sw,.sw::after{transition:none}}