.scanner-overlay {
  display:none;
  position:fixed;
  inset:0;
  width:100vw;
  height:100vh;
  height:100dvh;
  z-index:100;
  background:#050b16;
  color:#fff;
  overflow:hidden;
}
.scanner-overlay.open { display:flex; flex-direction:column; }
.scanner-topbar {
  position:absolute;
  z-index:5;
  top:0;
  left:0;
  right:0;
  display:grid;
  grid-template-columns:minmax(54px,1fr) minmax(0,330px) minmax(54px,1fr);
  align-items:center;
  gap:16px;
  padding:calc(10px + env(safe-area-inset-top)) 14px 10px;
  background:linear-gradient(rgba(0,0,0,.72), rgba(0,0,0,0));
}
.scanner-topbar .btn {
  min-height:42px;
  padding:8px 12px;
  border-radius:12px;
  background:rgba(15,23,42,.72);
  border-color:rgba(255,255,255,.32);
  color:#fff;
}
.scanner-topbar .btn:first-child { grid-column:1; justify-self:start; }
.scanner-topbar .btn:last-child { grid-column:3; justify-self:end; }
.scanner-mode-switch {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:4px;
  width:100%;
  padding:4px;
  border:1px solid rgba(255,255,255,.28);
  border-radius:14px;
  background:rgba(8,17,32,.76);
  backdrop-filter:blur(8px);
}
.scanner-mode-switch[hidden] { display:none !important; }
.barcode-format-tab {
  border:1px solid transparent;
  border-radius:10px;
  min-height:46px;
  padding:8px 9px;
  background:transparent;
  color:#304965;
  font-weight:800;
  font-size:14px;
  cursor:pointer;
  touch-action:manipulation;
}
.barcode-format-tab.active {
  background:#dce8ff;
  border-color:#5f8fe8;
  color:#0645b5;
  box-shadow:0 2px 8px rgba(11,79,204,.16);
}
.barcode-format-tab:disabled { opacity:.58; cursor:not-allowed; }
.scanner-mode-switch .barcode-format-tab { min-height:40px; padding:7px 8px; color:#dce7f6; font-size:13px; }
.scanner-mode-switch .barcode-format-tab.active { background:#fff; border-color:#fff; color:#0645b5; box-shadow:none; }
.scanner-video-wrap { position:absolute; inset:0; background:#000; }
.scanner-video { width:100%; height:100%; object-fit:cover; }
.scanner-guide {
  position:absolute;
  border:2px solid rgba(255,255,255,.95);
  border-radius:18px;
  box-shadow:0 0 0 9999px rgba(0,0,0,.42);
  pointer-events:none;
  transition:left .18s ease, right .18s ease, width .18s ease, height .18s ease, top .18s ease, transform .18s ease, border-radius .18s ease;
}
.scanner-guide.qr-mode {
  left:50%;
  right:auto;
  top:42%;
  width:clamp(145px,34vw,190px);
  height:auto;
  aspect-ratio:1 / 1;
  transform:translate(-50%,-50%);
  border-radius:20px;
}
.scanner-guide.gs1-mode {
  left:7%;
  right:7%;
  top:calc(42% - 42px);
  width:auto;
  height:clamp(112px,18vh,180px);
  transform:translateY(-50%);
  border-radius:18px;
}
.scanner-guide.gs1-mode.split-gs1-label-frame {
  top:42%;
  height:clamp(180px,30vh,280px);
}
.scanner-guide.gs1-mode.multi-barcode-frame {
  top:16%;
  left:6%;
  right:auto;
  width:88%;
  height:68%;
  transform:none;
  border-radius:22px;
}
.scanner-guide.gs1-mode.multi-barcode-frame:before { top:25%; }
.scanner-guide.gs1-mode.multi-barcode-frame:after { bottom:25%; }
.scanner-guide-height-control {
  position:absolute;
  z-index:6;
  top:30%;
  right:10px;
  bottom:30%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:7px;
  min-width:48px;
  padding:9px 5px;
  border:1px solid rgba(255,255,255,.34);
  border-radius:14px;
  background:rgba(5,11,22,.7);
  color:#fff;
  backdrop-filter:blur(8px);
  pointer-events:auto;
}
.scanner-guide-height-control[hidden] { display:none !important; }
.scanner-guide-height-title { font-size:11px; font-weight:800; writing-mode:vertical-rl; transform:rotate(180deg); }
.scanner-guide-height-control input {
  width:30px;
  height:clamp(100px,24vh,190px);
  min-height:0;
  margin:0;
  padding:0;
  accent-color:#65e5ff;
  writing-mode:vertical-lr;
  direction:rtl;
}
.scanner-guide-height-control output { min-width:38px; font-size:11px; font-weight:800; text-align:center; }
.scanner-guide-height-reset { min-height:30px !important; padding:4px 5px !important; border-radius:8px !important; font-size:10px !important; }
.scanner-guide:before,
.scanner-guide:after {
  content:'';
  position:absolute;
  left:18%;
  right:18%;
  height:2px;
  background:rgba(255,255,255,.55);
}
.scanner-guide:before { top:33%; }
.scanner-guide:after { bottom:33%; }
.scanner-center-line {
  position:absolute;
  left:8%;
  right:8%;
  top:50%;
  height:2px;
  transform:translateY(-1px);
  background:#53d8fb;
  box-shadow:0 0 10px rgba(83,216,251,.9);
}
.scanner-guide.gs1-mode .scanner-center-line {
  left:5%;
  right:5%;
  height:4px;
  transform:translateY(-2px);
  background:#65e5ff;
  box-shadow:0 0 4px #08254e,0 0 16px rgba(101,229,255,.98);
}
.scanner-aim-label {
  display:none;
  position:absolute;
  z-index:2;
  left:50%;
  top:50%;
  transform:translate(-50%,12px);
  width:max-content;
  max-width:88%;
  padding:4px 9px;
  border-radius:999px;
  background:rgba(5,11,22,.78);
  color:#fff;
  font-size:12px;
  font-weight:900;
  line-height:1.2;
  text-align:center;
  text-shadow:0 1px 2px #000;
}
.scanner-guide.gs1-mode .scanner-aim-label { display:block; }
.scanner-guide.good {
  border-color:#59e39b;
  box-shadow:0 0 0 9999px rgba(0,0,0,.42),0 0 22px rgba(89,227,155,.75);
}
.scanner-bottom {
  position:absolute;
  z-index:5;
  left:0;
  right:0;
  bottom:0;
  padding:14px 14px calc(14px + env(safe-area-inset-bottom));
  background:linear-gradient(rgba(0,0,0,0),rgba(0,0,0,.82) 28%,rgba(0,0,0,.94));
}
.scanner-status { min-height:44px; text-align:center; font-size:15px; font-weight:700; line-height:1.35; padding:8px; }
.scanner-progress { text-align:center; font-size:13px; color:#d4deeb; margin-bottom:9px; }
.scanner-zoom { display:none; align-items:center; gap:10px; margin:4px 0 10px; font-size:12px; color:rgba(255,255,255,.88); }
.scanner-zoom.show { display:flex; }
.scanner-zoom input {
  flex:1;
  width:auto;
  min-width:0;
  min-height:0;
  padding:0;
  border:0;
  border-radius:0;
  background:transparent;
}
.scanner-result-sheet {
  display:none;
  margin-bottom:10px;
  padding:12px;
  border-radius:15px;
  background:rgba(255,255,255,.96);
  color:var(--ink,#172033);
  box-shadow:0 8px 28px rgba(0,0,0,.34);
}
.scanner-result-sheet.show { display:block; }
.scanner-status.state-waiting { color:#ffd68a !important; }
.scanner-status.state-ready { color:#8ff0bd !important; font-weight:900; }
.scanner-result-title { font-weight:900; line-height:1.25; }
.scanner-result-meta { margin-top:5px; color:#52677f; font-size:13px; line-height:1.35; }
.scanner-capture-control { display:flex; flex-direction:column; align-items:center; gap:6px; margin:2px 0 12px; }
.scanner-shutter {
  width:76px;
  height:76px;
  border:5px solid rgba(255,255,255,.95);
  border-radius:50%;
  padding:7px;
  background:rgba(15,23,42,.48);
  box-shadow:0 4px 18px rgba(0,0,0,.38);
  cursor:pointer;
  touch-action:manipulation;
}
.scanner-shutter span { display:block; width:100%; height:100%; border-radius:50%; background:#fff; transition:transform .12s ease,background .12s ease; }
.scanner-shutter:active span { transform:scale(.9); }
.scanner-shutter:disabled { opacity:.55; cursor:wait; }
.scanner-shutter:disabled span { background:#aebdd2; }
.scanner-capture-label { font-size:13px; font-weight:800; color:#fff; }
.scanner-bottom-actions { display:flex; gap:8px; }
.scanner-bottom-actions .btn {
  flex:1;
  min-height:46px;
  padding:12px 14px;
  border:1px solid #dbe4f0;
  border-radius:12px;
  background:rgba(255,255,255,.96);
  color:#263b59;
  font-size:15px;
  font-weight:700;
}
.scanner-hidden-canvas { position:absolute; width:1px; height:1px; left:-9999px; top:-9999px; }