:root{
  --bg:#0b0d10; --card:#141922; --line:#232b38; --txt:#e8edf4; --mut:#8b98a9;
  --acc:#4f8cff; --ok:#37d67a; --warn:#ffc53d; --err:#ff6b6b;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--bg);color:var(--txt);overscroll-behavior:none;
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}

.screen{position:fixed;inset:0;display:none;flex-direction:column;
  padding:env(safe-area-inset-top,0) env(safe-area-inset-right,0)
          env(safe-area-inset-bottom,0) env(safe-area-inset-left,0)}
.screen.active{display:flex}
.scroll{flex:1;overflow-y:auto;padding:16px}

h1{font-size:34px;letter-spacing:.5px}
h1 span{color:var(--acc)}
h2{font-size:22px;margin-bottom:16px}
.sub{color:var(--mut);margin:2px 0 20px}

.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:16px}
label{display:block;font-size:12px;color:var(--mut);margin:12px 0 6px;text-transform:uppercase;letter-spacing:.5px}
select,input{width:100%;padding:12px;border-radius:10px;border:1px solid var(--line);
  background:#0f131a;color:var(--txt);font-size:16px}

.btn{border:0;border-radius:12px;padding:14px 18px;font-size:16px;font-weight:600;
  color:var(--txt);background:var(--card);cursor:pointer;text-align:center;
  text-decoration:none;display:inline-block}
.btn.primary{background:var(--acc);color:#fff}
.btn.ghost{background:transparent;border:1px solid var(--line)}
.btn.big{width:100%;margin-top:18px}
.btn:disabled{opacity:.4}
.msg{color:var(--warn);font-size:13px;margin-top:10px;min-height:16px}

.dot{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--mut)}
.dot::before{content:'';width:10px;height:10px;border-radius:50%;background:var(--mut)}
.dot.ok::before{background:var(--ok)}
.dot.err::before{background:var(--err)}
.dot.wait::before{background:var(--warn)}

.tips{margin:8px 0 24px 18px;color:var(--mut);font-size:13px;line-height:1.7}

/* capture */
#cam,#overlay{position:absolute;inset:0;width:100%;height:100%}
#cam{object-fit:cover;background:#000}
#overlay{pointer-events:none}
#flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none;transition:opacity .3s}
#flash.on{opacity:.75;transition:none}
.hud-top{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;
  justify-content:space-between;padding:calc(env(safe-area-inset-top,0) + 10px) 14px;pointer-events:none}
.iconbtn{pointer-events:auto;width:40px;height:40px;border-radius:50%;border:0;
  background:rgba(0,0,0,.55);color:#fff;font-size:17px}
.hud-mid{text-align:center}
#capCount{font-size:20px;font-weight:700;text-shadow:0 1px 4px rgba(0,0,0,.8)}
#capRes{font-size:11px;color:var(--mut)}
.tag{font-size:11px;background:rgba(0,0,0,.55);padding:6px 10px;border-radius:99px}
.hud-bottom{position:absolute;bottom:calc(env(safe-area-inset-bottom,0) + 26px);
  left:0;right:0;display:flex;justify-content:center}
#btnShutter{width:76px;height:76px;border-radius:50%;border:5px solid #fff;
  background:rgba(255,255,255,.25);box-shadow:0 2px 14px rgba(0,0,0,.5)}

/* review */
.bar-head{display:flex;align-items:center;gap:12px;padding:10px 14px;
  border-bottom:1px solid var(--line)}
.bar-head.overlay{position:absolute;top:0;left:0;right:0;border:0;background:linear-gradient(rgba(0,0,0,.55),transparent)}
.bar-title{font-weight:600}
.hint{color:var(--mut);font-size:13px;margin-bottom:12px}
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.thumb{position:relative;aspect-ratio:3/4;border-radius:10px;overflow:hidden;background:#000}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .num{position:absolute;top:6px;left:6px;background:rgba(0,0,0,.6);
  font-size:11px;padding:2px 7px;border-radius:99px}
.actions{display:flex;gap:10px;padding:12px 14px calc(env(safe-area-inset-bottom,0) + 12px);
  border-top:1px solid var(--line)}
.actions.overlay{position:absolute;bottom:0;left:0;right:0;border:0;
  background:linear-gradient(transparent,rgba(0,0,0,.6))}
.actions>*{flex:1}

/* upload / processing */
.center{flex:1;display:flex;flex-direction:column;justify-content:center;padding:24px;max-width:520px;margin:0 auto;width:100%}
.bar{height:10px;background:var(--line);border-radius:99px;overflow:hidden}
.bar>i{display:block;height:100%;width:0%;background:var(--acc);border-radius:99px;transition:width .3s}
.pct{margin-top:10px;font-weight:700;font-size:18px}
.stages{list-style:none;margin:18px 0;font-size:14px}
.stages li{display:flex;align-items:center;gap:10px;padding:6px 0;color:var(--mut)}
.stages li::before{content:'';width:10px;height:10px;border-radius:50%;background:var(--line)}
.stages li.now{color:var(--txt);font-weight:600}
.stages li.now::before{background:var(--warn);animation:pulse 1s infinite alternate}
.stages li.ok{color:var(--ok)}
.stages li.ok::before{background:var(--ok)}
@keyframes pulse{to{opacity:.35}}
.errbox{background:rgba(255,107,107,.1);border:1px solid var(--err);
  border-radius:12px;padding:14px;font-size:13px;color:var(--err);white-space:pre-wrap}
.errbox .btn{margin-top:12px}

/* result */
#glcanvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}
#resTitle{text-shadow:0 1px 6px rgba(0,0,0,.9)}
#qrBox{position:absolute;inset:0;background:rgba(0,0,0,.88);display:flex;
  flex-direction:column;align-items:center;justify-content:center;gap:16px}
#qrBox img{width:min(70vw,300px);border-radius:12px;background:#fff;padding:10px}

@media (min-width:768px){ .scroll,.center{max-width:560px;width:100%;margin:0 auto} }
/* fix: il box QR rispetta l'attributo hidden */
#qrBox[hidden]{display:none !important}

/* fix: il box QR rispetta l'attributo hidden */
#qrBox[hidden]{display:none !important}