:root{
  --bg:#E3E6E4; --panel:#F7F8F6; --ink:#17242E; --muted:#5B6870; --line:#C9CFCC; --soft:#EDEFED;
  --blue:#1F4E79; --blue-ink:#FFFFFF; --flag:#F2C230; --flag-ink:#2A2100; --ok:#2F7A4F;
  --warn:#A23B2A; --warn-bg:#F6E3DF;
  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{
    --bg:#121A20; --panel:#1B252D; --ink:#E6ECEF; --muted:#94A3AC; --line:#2E3B45; --soft:#16212A;
    --blue:#4F8FC9; --blue-ink:#0B1620; --ok:#5DBB86; --warn:#E0775F; --warn-bg:#3A1F19;
  }
}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:16px;line-height:1.4;-webkit-tap-highlight-color:transparent}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{opacity:.5;cursor:default}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
h1,h2,h3{font-stretch:80%;line-height:1.1;margin:0}
.muted{color:var(--muted)} .small{font-size:.85rem} .center{text-align:center}
.main{margin:0 auto;padding:16px 14px 70px}
.main.narrow{max-width:480px}
.main.wide{max-width:980px}
.loading{color:var(--muted);text-align:center;padding:40px 0}

.primary{border:0;background:var(--blue);color:var(--blue-ink);border-radius:10px;padding:13px 16px;font-weight:700;font-size:1.05rem}
.full{width:100%}
.btn{border:1.5px solid var(--ink);background:none;border-radius:9px;padding:8px 12px;font-weight:700;white-space:nowrap}
.btn.ok{border-color:var(--ok);color:var(--ok)}
.btn.warn{border-color:var(--warn);color:var(--warn)}
.ghost{border:1.5px solid var(--line);background:none;border-radius:10px;padding:10px 14px;font-weight:600}
.link{border:0;background:none;color:var(--blue);font-weight:600;padding:6px 0;text-decoration:underline;text-underline-offset:3px}
.link.center{display:block;margin:8px auto 0}
.tag{display:inline-block;background:var(--flag);color:var(--flag-ink);font-weight:700;font-size:.72rem;border-radius:4px;padding:1px 6px;margin-left:6px;vertical-align:2px}
.tag.grey{background:var(--soft);color:var(--muted);border:1px solid var(--line)}
.big-input{width:100%;border:1.5px solid var(--line);background:var(--panel);border-radius:10px;padding:14px 12px;font-size:1.1rem}
.err{color:var(--warn);min-height:1.3em;font-weight:600}
.info{background:var(--soft);border-left:4px solid var(--blue);border-radius:6px;padding:10px 12px;margin:12px 0;font-size:.92rem}
.warnbox{background:var(--warn-bg);border-left:4px solid var(--warn);border-radius:6px;padding:12px;margin:10px 0 14px}
.warnbox p{margin:4px 0 0}
.section-title{font-stretch:80%;font-weight:800;font-size:1.15rem;margin:24px 0 8px;display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}
.section-title span{font-weight:500;font-size:.9rem;color:var(--muted);font-stretch:100%}
.empty{color:var(--muted);padding:14px;border:1.5px dashed var(--line);border-radius:10px;text-align:center;font-size:.92rem}
.meta{font-size:.82rem;color:var(--muted);margin-top:2px}
.note{font-size:.88rem;margin-top:6px;background:var(--soft);border-radius:6px;padding:6px 8px}

/* accesso */
.login h1{font-size:2.2rem;margin:28px 0 4px}
.login .big-input{margin:16px 0 10px;letter-spacing:.18em;text-transform:uppercase;text-align:center;font-weight:700}
.choose-store button{display:block;width:100%;text-align:left;border:1.5px solid var(--line);background:var(--panel);border-radius:12px;padding:18px;font-size:1.15rem;font-weight:700;margin-bottom:10px}

/* negozio */
.who-bar{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.who-bar .id{flex:1;min-width:0}
.who-bar strong{display:block;font-size:1.05rem}
.who-bar .id span{color:var(--muted);font-size:.9rem}
.scan-btn{width:100%;border:0;background:var(--blue);color:var(--blue-ink);border-radius:16px;padding:22px 16px;font-size:1.25rem;font-weight:800;display:flex;align-items:center;justify-content:center;gap:12px;font-stretch:85%}
.scan-btn svg{width:34px;height:34px}
.cards{list-style:none;margin:0;padding:0}
.card{background:var(--panel);border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:8px;position:relative;overflow:hidden}
.card.u::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--flag)}
.card .name{font-weight:700;overflow-wrap:anywhere}
.card .acts{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.wrow{display:flex;gap:12px;align-items:center}
.wrow .q{font-weight:800;font-stretch:75%;font-size:1.15rem;min-width:70px}
.back{border:0;background:none;color:var(--blue);font-weight:700;padding:4px 0;margin-bottom:10px}

.reader-wrap{background:#0E1418;border-radius:16px;overflow:hidden;min-height:240px;position:relative}
#reader{width:100%}
#reader video{width:100%!important;display:block}
.reader-msg{color:#fff;text-align:center;padding:90px 20px;font-size:.95rem}
.manual{display:flex;gap:8px;margin-top:12px}
.manual input{flex:1;min-width:0;border:1.5px solid var(--line);background:var(--panel);border-radius:10px;padding:12px;font-size:1.05rem;letter-spacing:.05em}

.prod{background:var(--panel);border:1.5px solid var(--line);border-radius:16px;padding:18px}
.prod h2{font-size:1.6rem;margin:4px 0 6px;overflow-wrap:anywhere}
.p-code{font-size:.85rem;color:var(--muted)}
.p-unit{font-weight:600}
.qty-row{display:flex;align-items:center;justify-content:space-between;margin:18px 0 12px;border:1.5px solid var(--line);border-radius:14px;background:var(--bg)}
.qty-row button{border:0;background:none;width:64px;height:64px;font-size:2rem;font-weight:700}
.qty-row div{text-align:center}
.qty-row strong{display:block;font-size:2rem;font-stretch:75%;line-height:1}
.qty-row span{font-size:.9rem;color:var(--muted)}
.urgent{width:100%;border:1.5px solid var(--line);background:none;border-radius:10px;padding:12px;font-weight:600;text-align:left;display:flex;align-items:center;gap:10px;margin-bottom:12px}
.urgent .dot{width:16px;height:16px;border-radius:4px;border:2px solid var(--muted)}
.urgent[aria-pressed="true"]{background:var(--flag);color:var(--flag-ink);border-color:var(--flag)}
.urgent[aria-pressed="true"] .dot{background:var(--flag-ink);border-color:var(--flag-ink)}
.results{list-style:none;margin:10px 0 0;padding:0}
.results button{width:100%;text-align:left;border:1.5px solid var(--line);background:var(--panel);border-radius:10px;padding:12px;margin-bottom:6px}
.results strong{display:block;overflow-wrap:anywhere}

/* magazzino */
.head-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:6px}
.head-row h1{font-size:1.9rem}
.head-acts{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.store-box{background:var(--panel);border:1.5px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden}
.st-head{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1.5px solid var(--line);flex-wrap:wrap}
.st-head h2{font-size:1.3rem;flex:1}
.rq{display:grid;grid-template-columns:70px 1fr auto auto;gap:10px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line)}
.rq:last-child{border-bottom:0}
.rq.u{background:linear-gradient(90deg,var(--flag) 0 6px,transparent 6px)}
.rq .code{font-size:.8rem;color:var(--muted);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.rq .q{font-weight:800;font-stretch:80%;text-align:right;white-space:nowrap}
.rq .acts{display:flex;gap:6px}
@media (max-width:680px){ .rq{grid-template-columns:1fr auto} .rq .code{display:none} .rq .acts{grid-column:1/-1} }
.simple{list-style:none;margin:0;padding:0}
.simple li{background:var(--panel);border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:6px}
.diff-li{border-left:5px solid var(--warn)!important}

/* caricamento */
.drop{display:block;border:2px dashed var(--line);border-radius:14px;padding:30px 16px;text-align:center;background:var(--panel);cursor:pointer}
.drop input{display:block;margin:12px auto 0}
.tbl-wrap{overflow-x:auto;background:var(--panel);border:1.5px solid var(--line);border-radius:12px;margin-top:10px}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:700;color:var(--muted);font-size:.8rem}
tr:last-child td{border-bottom:0}
.progress{height:12px;background:var(--soft);border-radius:6px;overflow:hidden;margin:12px 0}
.progress div{height:100%;background:var(--blue);width:0;transition:width .2s}
.stats-row{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.stat{background:var(--panel);border:1.5px solid var(--line);border-radius:12px;padding:10px 14px;min-width:130px}
.stat strong{display:block;font-size:1.6rem;font-stretch:75%}
.check{display:flex;gap:8px;align-items:flex-start;font-weight:600;margin-top:12px}

/* finestre */
#modal[hidden]{display:none}
.overlay{position:fixed;inset:0;background:rgba(10,16,20,.55);display:flex;align-items:flex-end;justify-content:center;z-index:20;padding:14px;padding-bottom:calc(14px + env(safe-area-inset-bottom,0px))}
@media (min-width:600px){ .overlay{align-items:center} }
.dialog{background:var(--panel);color:var(--ink);border-radius:16px;padding:18px;width:100%;max-width:460px;max-height:90vh;overflow:auto}
.dialog.widep{max-width:760px}
.dialog h3{font-size:1.35rem;margin-bottom:8px}
.dialog p{margin:6px 0}
.dialog label{display:block;font-weight:600;margin:12px 0 4px}
.dialog input[type=number],.dialog input[type=text],.dialog textarea{width:100%;border:1.5px solid var(--line);background:var(--bg);border-radius:10px;padding:11px;font-size:1rem}
.dialog textarea{min-height:70px;resize:vertical}
.dialog .check{margin-top:12px}
.dialog .btns{display:flex;gap:8px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}
.choice{display:block;width:100%;text-align:left;border:1.5px solid var(--line);background:var(--bg);border-radius:12px;padding:12px 14px;margin-top:8px}
.choice strong{display:block;font-size:1.05rem}
.choice span{color:var(--muted);font-size:.9rem}
.choice .inline{display:flex;gap:8px;align-items:center;margin-top:8px}
.choice .inline input{width:90px!important}
.sheet h3{font-size:1.5rem}
.sheet .box{display:inline-block;width:16px;height:16px;border:1.5px solid var(--ink);border-radius:3px}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(16px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);border-radius:12px;padding:12px 16px;max-width:calc(100% - 28px);z-index:30;font-weight:600;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.toast[hidden]{display:none}

@media print{
  body *{visibility:hidden}
  .sheet,.sheet *{visibility:visible}
  .sheet{position:absolute;left:0;top:0;width:100%;color:#000}
  .sheet .tbl-wrap{border:0;overflow:visible}
  .no-print{display:none!important}
}