:root {
  --bg: #f2f2ef;
  --card: #ffffff;
  --ink: #111111;
  --muted: #6e6e68;
  --line: #deded7;
  --green: #16794a;
  --green-soft: #e7f4ec;
  --red: #b42318;
  --red-soft: #fdecea;
  --amber: #9a6700;
  --amber-soft: #fff4d6;
  --shadow: 0 18px 60px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{min-height:100vh}
button,input,select{font:inherit}
button{cursor:pointer}
.shell{width:min(1080px,100%);margin:0 auto;padding:24px}
.view.hidden,.hidden{display:none!important}
.card,.panel{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
.login-card{width:min(430px,100%);margin:8vh auto;padding:34px}
.brand-mark{width:68px;height:68px;border-radius:18px;background:#111;color:#fff;display:grid;place-items:center;font-weight:900;letter-spacing:-2px;margin-bottom:22px}
h1,h2,p{margin-top:0} h1{margin-bottom:4px;font-size:36px} h2{font-size:30px;margin-bottom:8px}
.muted{color:var(--muted)} .small{font-size:13px}.hint{font-size:11px;color:var(--muted);font-weight:500}
.stack{display:grid;gap:16px;margin-top:26px}
label{display:grid;gap:7px;font-weight:700;font-size:13px}
input,select{width:100%;border:1px solid var(--line);border-radius:13px;padding:14px 15px;background:#fff;color:var(--ink);outline:none}
input:focus,select:focus{border-color:#111;box-shadow:0 0 0 3px rgba(0,0,0,.06)}
.btn{border:0;border-radius:13px;padding:13px 17px;font-weight:800;background:#ecece7;color:#111}
.btn.primary{background:#111;color:#fff}.btn.secondary{background:#eeeeea}.btn.ghost{background:transparent;border:1px solid var(--line)}
.btn:disabled{opacity:.45;cursor:not-allowed}.small-btn{padding:9px 12px;font-size:12px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;padding:4px 2px}.eyebrow{font-size:11px;letter-spacing:.14em;font-weight:900;color:var(--muted)}.whoami{font-size:18px;font-weight:900;margin-top:4px}.top-actions{display:flex;align-items:center;gap:10px}
.badge{font-size:12px;font-weight:900;border-radius:999px;padding:8px 10px;background:var(--green-soft);color:var(--green)}.badge.offline{background:var(--red-soft);color:var(--red)}
.panel{padding:28px}.hero-copy{max-width:640px}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:26px 0}.mode-btn{border:0;border-radius:24px;min-height:210px;padding:26px;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;text-align:left;color:#111}.mode-btn .mode-label{font-size:72px;line-height:.9;font-weight:950;letter-spacing:-.06em}.mode-btn span:last-child{font-weight:800}.in-mode{background:var(--green-soft);outline:1px solid #b9dfc8}.out-mode{background:var(--red-soft);outline:1px solid #f3c5bf}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.metric{border:1px solid var(--line);background:#fafaf8;border-radius:16px;padding:16px}.metric span{display:block;font-size:12px;color:var(--muted);font-weight:700}.metric strong{display:block;margin-top:6px;font-size:25px}.action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.scan-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.mode-pill{display:inline-block;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:950;margin-bottom:8px}.mode-pill.in{background:var(--green-soft);color:var(--green)}.mode-pill.out{background:var(--red-soft);color:var(--red)}
.scanner-card{border:1px solid var(--line);border-radius:20px;padding:18px;background:#fafaf8}.scanner-input{font-size:20px;font-weight:850;letter-spacing:.02em}.scanner-input-wrap{font-size:12px}.camera-btn{margin-top:12px;width:100%}.camera-wrap{margin-top:14px}.camera-wrap video{border-radius:16px!important}.camera-wrap .btn{margin-top:10px;width:100%}
.last-scan{margin:18px 0;border-radius:20px;padding:20px;border:1px solid var(--line);background:#fafaf8}.last-scan.good{background:var(--green-soft);border-color:#b9dfc8}.last-scan.bad{background:var(--red-soft);border-color:#f3c5bf}.last-caption{font-size:10px;font-weight:950;letter-spacing:.12em;color:var(--muted)}.last-barcode{font-size:28px;font-weight:950;margin-top:5px;word-break:break-all}.last-product{font-size:14px;font-weight:700;margin-top:5px;color:var(--muted)}.sync-text{font-size:13px;font-weight:700;margin-top:12px}
.admin-form{padding:20px;box-shadow:none}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.check-row{display:flex;flex-wrap:wrap;gap:18px;margin-top:16px}.check-row label{display:flex;align-items:center;gap:7px}.check-row input{width:auto}.table-card{margin-top:18px;border:1px solid var(--line);border-radius:18px;overflow:hidden}.table-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{font-size:11px;color:var(--muted);letter-spacing:.04em}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:6px}.status-dot.off{background:#999}
.toast{position:fixed;z-index:100;left:50%;bottom:24px;transform:translateX(-50%) translateY(18px);background:#111;color:white;border-radius:13px;padding:12px 16px;font-weight:800;font-size:13px;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.toast.error{background:var(--red)}
@media(max-width:720px){.shell{padding:12px}.panel{padding:18px;border-radius:20px}.login-card{margin:4vh auto;padding:24px}.mode-grid{grid-template-columns:1fr}.mode-btn{min-height:155px}.mode-btn .mode-label{font-size:58px}.mini-grid{grid-template-columns:repeat(3,1fr)}.metric{padding:12px}.metric strong{font-size:19px}.form-grid{grid-template-columns:1fr}.topbar{align-items:flex-start}.top-actions{flex-direction:column;align-items:flex-end}.scan-head h2{font-size:24px}.scanner-input{font-size:18px}}
@media(max-width:480px){.mini-grid{grid-template-columns:1fr 1fr}.mini-grid .metric:last-child{grid-column:1/-1}.mode-grid{gap:12px}.mode-btn{min-height:135px}.login-card{box-shadow:none}.panel{box-shadow:none}.scan-head{align-items:flex-start}.last-barcode{font-size:23px}}