:root{
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --qs-navy: #003366;
  --qs-blue: #1d4ed8;
  --qs-blue-soft: rgba(37,99,235,.2);
  --qs-panel: rgba(15,23,42,.82);
  --qs-panel-strong: rgba(15,23,42,.9);
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{
  margin:0;
  background:#000;
  color:#fff;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  overflow-x:hidden;
}
.qs-scan{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}
.qs-scan__top{
  padding: calc(10px + var(--safe-top)) 12px 10px 12px;
  display:flex;align-items:center;gap:10px;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(10px);
  position: sticky; top:0; z-index: 6;
}
.qs-scan__back{
  width:40px;height:40px;display:grid;place-items:center;
  border-radius:14px;border:1px solid rgba(255,255,255,.22);
  text-decoration:none;color:#fff;font-size:18px;
  background: rgba(255,255,255,.06);
}
.qs-scan__iconbtn{
  width:40px;height:40px;border-radius:14px;
  border:1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.08);
  color:#fff;font-size:18px;cursor:pointer;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.qs-scan__iconbtn.is-active{
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.52);
  transform: translateY(-1px);
}
.qs-scan__title{flex:1;min-width:0}
.qs-scan__eyebrow{
  font-size:11px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;opacity:.72;margin-bottom:3px;
}
.qs-scan__h1{font-size:17px;font-weight:800;line-height:1.2}
.qs-scan__sub{font-size:12px;opacity:.88;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qs-scan__stage{flex:1;position:relative;overflow:hidden;min-height:50vh}
.qs-scan__video{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; background:#030712}
.qs-scan__frame{
  position:absolute; left:50%; top:46%;
  width:min(72vw, 380px); height:min(72vw, 380px);
  transform: translate(-50%,-50%);
  border-radius:24px;
  box-shadow: 0 0 0 9999px rgba(0,0,0,.36);
  border:2px solid rgba(255,255,255,.9);
}
.qs-scan__frame::before,
.qs-scan__frame::after{
  content:"";
  position:absolute;
  border:3px solid transparent;
  border-radius:20px;
  width:82px;
  height:82px;
}
.qs-scan__frame::before{
  top:-2px;
  left:-2px;
  border-top-color: rgba(255,255,255,.96);
  border-left-color: rgba(255,255,255,.96);
}
.qs-scan__frame::after{
  right:-2px;
  bottom:-2px;
  border-right-color: rgba(255,255,255,.96);
  border-bottom-color: rgba(255,255,255,.96);
}
.qs-scan__hud{
  position:absolute; left:12px; right:12px; top:12px; z-index:4;
  display:grid; gap:10px;
}
.qs-scan__hudRow{
  display:flex; gap:10px; align-items:center; flex-wrap:wrap;
}
.qs-scan__pill{
  display:inline-flex; align-items:center; gap:8px;
  min-height:34px; padding:0 12px;
  border-radius:999px;
  background: rgba(15,23,42,.78);
  border:1px solid rgba(255,255,255,.12);
  box-shadow: 0 10px 22px rgba(0,0,0,.18);
  font-size:12px; font-weight:700;
}
.qs-scan__pill--live::before{
  content:"";
  width:8px;height:8px;border-radius:999px;background:#22c55e;
  box-shadow:0 0 0 5px rgba(34,197,94,.18);
}
.qs-scan__pill--live[data-state="pause"]::before{
  background:#f59e0b;
  box-shadow:0 0 0 5px rgba(245,158,11,.18);
}
.qs-scan__pill[data-state="confirm"]{
  border-color: rgba(59,130,246,.52);
  background: rgba(29,78,216,.28);
}
.qs-scan__pill[data-state="ready"]{
  border-color: rgba(34,197,94,.48);
  background: rgba(22,163,74,.24);
}
.qs-scan__pill[data-state="warn"]{
  border-color: rgba(245,158,11,.45);
  background: rgba(146,64,14,.34);
}
.qs-scan__guide{
  max-width:min(100%, 440px);
  background: rgba(15,23,42,.68);
  border:1px solid rgba(255,255,255,.1);
  border-radius:18px;
  padding:12px 14px;
  box-shadow: 0 12px 26px rgba(0,0,0,.22);
  backdrop-filter: blur(10px);
}
.qs-scan__guideTitle{font-size:13px;font-weight:800;margin-bottom:4px}
.qs-scan__guideText{font-size:12px;line-height:1.45;opacity:.88}
.qs-scan__chips{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;
}
.qs-scan__chip{
  display:inline-flex;align-items:center;min-height:28px;padding:0 10px;
  border-radius:999px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  font-size:11px;font-weight:700;color:#e2e8f0;
}
.qs-scan__overlay{
  position:absolute; inset:0;
  display:grid; place-items:center;
  padding: 16px;
  background: rgba(0,0,0,.48);
  backdrop-filter: blur(6px);
  z-index: 10;
}
.qs-scan__help{
  position:absolute; left:12px; right:12px; bottom:12px; z-index:4;
}
.qs-scan__bottom{
  padding: 14px 12px calc(14px + var(--safe-bottom)) 12px;
  background: linear-gradient(180deg, rgba(0,0,0,.04), rgba(0,0,0,.5));
}
.qs-scan__manual,.qs-scan__card{
  background: var(--qs-panel);
  border:1px solid rgba(255,255,255,.1);
  border-radius:18px;
  padding:14px;
  box-shadow: 0 12px 34px rgba(0,0,0,.22);
}
.qs-scan__card--overlay{
  width:min(100%, 420px);
}
.qs-scan__manualHead{
  display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap;
  margin-bottom:8px;
}
.qs-scan__manualMeta{
  font-size:12px;line-height:1.4;color:#cbd5e1;text-align:right;
}
.qs-scan__cardTitle{font-size:16px;font-weight:800;margin-bottom:6px}
.qs-scan__cardText{font-size:14px;line-height:1.45;opacity:.94}
.qs-scan__cardMeta{
  margin-top:10px;
  padding:8px 10px;
  border-radius:12px;
  background: rgba(255,255,255,.06);
  font-size:12px;
  color:#cbd5e1;
  overflow-wrap:anywhere;
}
.qs-scan__cardBtns{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;
}
.qs-scan__label{display:block;font-size:13px;font-weight:700;margin-bottom:0}
.qs-scan__row{display:flex;gap:10px}
.qs-scan__input{
  flex:1;min-width:0;height:46px;border-radius:14px;border:1px solid rgba(255,255,255,.14);
  background:#0b1220;color:#fff;padding:0 14px;font-size:15px;
}
.qs-scan__input:focus{
  outline:none;border-color:rgba(59,130,246,.64);
  box-shadow:0 0 0 4px rgba(59,130,246,.16);
}
.qs-scan__btn,.qs-scan__btn2{
  min-height:44px;display:inline-flex;align-items:center;justify-content:center;
  padding:0 16px;border-radius:14px;border:1px solid rgba(255,255,255,.16);
  background:#111827;color:#fff;text-decoration:none;cursor:pointer;font-weight:700;
}
.qs-scan__btn2--primary,.qs-scan__btn{
  background:#fff;color:#111827;border-color:#fff;
}
.qs-scan__hint{font-size:12px;opacity:.82;margin-top:8px;line-height:1.45}
.qs-scan__error{font-size:12px;color:#fca5a5;margin-top:8px}
.qs-scan__footer{
  display:flex;justify-content:center;gap:10px;
  font-size:12px;opacity:.86;margin-top:12px;
}
.qs-scan__link{color:#fff;text-decoration:none}
.qs-scan__dot{opacity:.5}
@media (max-width:540px){
  .qs-scan__frame{
    width:min(78vw, 340px);
    height:min(78vw, 340px);
    top:44%;
  }
  .qs-scan__guide{
    max-width:none;
  }
}
@media (max-width:420px){
  .qs-scan__row{flex-direction:column}
  .qs-scan__btn{width:100%}
  .qs-scan__manualMeta{text-align:left}
}