*{box-sizing:border-box}
html,body{margin:0;font-family:"Segoe UI",Arial,sans-serif;background:#06111f;color:#f5f8fc;min-height:100vh}
button{font:inherit;cursor:pointer}
input,select{font:inherit}
.hidden{display:none!important}

.overlay{position:fixed;inset:0;background:rgba(3,10,20,.92);display:flex;align-items:center;justify-content:center;padding:16px;z-index:100}
.card{display:flex;flex-direction:column;gap:12px;width:min(380px,92vw);padding:28px 24px;border-radius:18px;background:#0a1c31;border:1px solid #173654}
.card input,.card select{padding:12px 14px;border-radius:10px;border:1px solid #2a3550;background:#06111f;color:#f5f8fc;font-size:16px}
.card h3{margin:0 0 4px}
.error{min-height:18px;color:#ff6b6b;font-size:13px}

.brandRow{display:flex;align-items:baseline;gap:10px}
.brandRow .logo{color:#1394ff;font-size:26px}
.brandRow b{font-size:20px}
.brandRow small{color:#8ea7c1}

header{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;background:#06111f;border-bottom:1px solid #173654;flex-wrap:wrap}
.statusRow{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.dot{width:12px;height:12px;border-radius:50%;background:#20d59a;flex:none}
.dot.offline{background:#ff9f1a}
.badge{background:#7b4cf6;color:#fff;border:0;border-radius:999px;padding:6px 12px;font-weight:700;min-width:40px}
.badge.zero{background:#304c77}
select{background:#0a1c31;color:#f5f8fc;border:1px solid #173654;border-radius:8px;padding:9px 10px;max-width:46vw}

main{padding:16px 16px 60px;max-width:640px;margin:0 auto}
.banner{background:#0a1c31;border:1px solid #173654;border-radius:12px;padding:12px 16px;margin-bottom:14px;font-size:14px}
.banner small{display:block;color:#8ea7c1;margin-top:3px}

.scanBox{background:#0a1c31;border:1px solid #173654;border-radius:16px;padding:22px 16px;text-align:center}
.scanBox input{width:100%;max-width:420px;font-size:26px;letter-spacing:.12em;text-align:center;padding:14px 12px;border-radius:12px;border:2px solid #2a3550;background:#06111f;color:#f5f8fc}
.scanBox input:focus{outline:none;border-color:#1394ff}
.row{display:flex;gap:10px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.primary{background:#1689f8;color:#fff;border:0;border-radius:10px;padding:12px 18px;font-weight:700}
.secondary{background:#0d2542;color:#f5f8fc;border:1px solid #173654;border-radius:10px;padding:12px 18px;font-weight:600}
.warn{background:#5d3c10;color:#ffc15a;border:1px solid #7a5426;border-radius:10px;padding:12px 18px;font-weight:600}
.ghost{background:transparent;color:#8ea7c1;border:1px solid #173654;border-radius:8px;padding:8px 10px}
.small{padding:8px 14px}

.camStage{position:relative;margin-top:14px;max-width:420px;width:100%;margin-left:auto;margin-right:auto;border-radius:12px;overflow:hidden;background:#000}
.camStage video{display:block;width:100%;max-height:300px;object-fit:cover;background:#000}
.camOverlay{position:absolute;inset:0;pointer-events:none}
.scanBand{position:absolute;left:10%;right:10%;top:30%;height:34%;border:2px solid rgba(19,148,255,.85);border-radius:10px;box-shadow:0 0 0 999px rgba(3,10,20,.35)}
.scanBand i{position:absolute;width:16px;height:16px;border:3px solid #1394ff}
.scanBand i:nth-child(1){top:-2px;left:-2px;border-right:0;border-bottom:0;border-radius:8px 0 0 0}
.scanBand i:nth-child(2){top:-2px;right:-2px;border-left:0;border-bottom:0;border-radius:0 8px 0 0}
.scanBand i:nth-child(3){bottom:-2px;left:-2px;border-right:0;border-top:0;border-radius:0 0 0 8px}
.scanBand i:nth-child(4){bottom:-2px;right:-2px;border-left:0;border-top:0;border-radius:0 0 8px 0}
.scanBand.hit{border-color:#20d59a;animation:scanhit .45s ease}
.scanBand.hit i{border-color:#20d59a}
@keyframes scanhit{0%{box-shadow:0 0 0 999px rgba(32,213,154,.12),0 0 18px 2px rgba(32,213,154,.6)}100%{box-shadow:0 0 0 999px rgba(3,10,20,.35)}}
.camControls{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:10px;flex-wrap:wrap}
.camBtn{font-size:16px;padding:8px 12px}
.camBtn.on{color:#ffc15a;border-color:#7a5426;background:#5d3c10}
.zoomRange{width:130px;accent-color:#1394ff}
.contWrap{display:flex;align-items:center;gap:6px;color:#8ea7c1;font-size:12px;font-weight:600;letter-spacing:.04em}
.contWrap input{accent-color:#20d59a;width:16px;height:16px}
.cameraStatus{min-height:18px;margin-top:10px;font-size:12px;color:#8ea7c1}
.cameraStatus.active{color:#20d59a}
.cameraStatus.read{color:#91cfff}
.cameraStatus.error{color:#ff6b6b}

.scanList{margin-top:18px;display:flex;flex-direction:column;gap:8px}
.scanRow{display:flex;justify-content:space-between;align-items:center;gap:10px;background:#0a1c31;border:1px solid #173654;border-radius:10px;padding:12px 14px}
.scanRow b{font-size:18px;letter-spacing:.06em}
.scanRow small{display:block;color:#8ea7c1;margin-top:2px}
.chip{border-radius:999px;padding:4px 10px;font-size:11px;font-weight:700;flex:none}
.chip.synced{background:#145b43;color:#b5ffe2}
.chip.pending{background:#0b4d7f;color:#91cfff}
.chip.failed{background:#5d1515;color:#ffb3b3}
.chip.problem{background:#5d3c10;color:#ffc15a}
.chip.air{background:#12305a;color:#9ecbff}
.chip.air.mism{background:#5d3c10;color:#ffc15a}

.foot{color:#8ea7c1;font-size:12px;text-align:center}

.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(16px);background:#0d2b48;color:#fff;border:1px solid #27547f;border-radius:10px;padding:12px 18px;opacity:0;pointer-events:none;transition:.2s;z-index:300;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%)}

.install{position:fixed;right:16px;bottom:16px;z-index:50;box-shadow:0 10px 30px rgba(0,0,0,.5)}

@media(max-width:420px){
  .scanBox input{font-size:22px}
  header{padding:10px 12px}
}