.express-input-row{display:flex;gap:8px;align-items:center;}
.express-input-row input{flex:1;min-width:0;}
.express-input-row button{flex-shrink:0;white-space:nowrap;}
#expressScanner{z-index:1100;}
#expressScanner[hidden]{display:none;}
#expressScanner .scanner-box{max-width:560px;}
.scanner-hint,.scanner-status{font-size:13px;line-height:1.6;color:#475569;margin-bottom:12px;}
.scanner-status{margin:12px 0;min-height:42px;}
.scanner-preview{background:#0f172a;border-radius:10px;overflow:hidden;aspect-ratio:4/3;position:relative;}
.scanner-preview video{display:block;width:100%;height:100%;object-fit:contain;}
.scanner-preview:empty::after{content:'条形码 / 二维码';position:absolute;inset:0;display:grid;place-items:center;color:#cbd5e1;font-size:16px;}
.scanner-actions{display:flex;gap:8px;flex-wrap:wrap;}
.scanner-result{margin-top:14px;padding:12px;background:#eff6ff;border-radius:8px;}
.scanner-result label{display:block;font-size:13px;margin-bottom:8px;}
.scanner-result input{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:6px;font-size:16px;}
.scanner-result .btn{margin-top:10px;width:100%;}
#expressScanner button:focus-visible,#expressScanner input:focus-visible{outline:3px solid #60a5fa;outline-offset:2px;}
@media(max-width:640px){#expressScanner .scanner-box{max-height:94dvh;} .scanner-preview{aspect-ratio:16/10;}}