:root{color-scheme:dark;--bg:#0d1118;--panel:#171e29;--line:#2c3747;--text:#e8edf5;--muted:#a4b0c2;--green:#39d6a0;--yellow:#f6bc51}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,"Microsoft JhengHei",sans-serif}button,input,select{font:inherit}a{color:var(--text);text-decoration:none}button{cursor:pointer;background:#263244;color:var(--text);border:1px solid #465369;border-radius:9px;min-height:44px;padding:9px 16px;font-weight:700}button:disabled{opacity:.45;cursor:not-allowed}button:hover:not(:disabled){filter:brightness(1.15)}button.accent{background:var(--green);color:#073a2b;border-color:var(--green)}input,select{width:100%;min-height:46px;border-radius:8px;border:1px solid #536177;background:#0f1722;color:var(--text);padding:10px;font-size:16px}input:focus,select:focus{outline:2px solid var(--green);outline-offset:2px}input::placeholder{color:#8996a9}input:disabled{opacity:.65}label{display:block;color:var(--muted);font-size:13px;margin:9px 0 5px}header{padding:15px max(20px,calc((100vw - 1020px)/2));border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px;background:#141c28}nav{display:flex;gap:14px;align-items:center;font-size:13px}.brand{font-weight:900;color:var(--yellow);font-size:20px;white-space:nowrap}.brand span{color:var(--text);font-size:16px;margin-left:8px}main{max-width:1000px;padding:30px 20px 60px;margin:auto}h1{font-size:32px;letter-spacing:1px;margin:3px 0 8px}h2{font-size:21px;margin:4px 0;overflow-wrap:anywhere}p{margin:6px 0 15px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--green);font-weight:800}.intro{color:var(--muted);font-size:14px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;margin:18px 0}.camera-toolbar,.scan-meta,.order-title,.actions{display:flex;justify-content:space-between;gap:14px;align-items:center}.camera-toolbar span,.scan-meta{font-size:12px;color:var(--muted)}.scan-input{display:flex;gap:8px}.scan-input input{min-width:0;flex:1;font-family:ui-monospace,monospace}.scan-meta{margin-top:8px}.text-button{background:none;border:none;color:var(--green);padding:5px 2px;font-size:12px}#cameraArea{max-width:640px;margin:20px auto 0}#cameraArea p{color:var(--muted);font-size:12px;margin-top:8px}#qr-reader video{border-radius:10px}#qr-reader{overflow:hidden}.notice{border-radius:10px;padding:14px 18px;background:#1c3042;border:1px solid #447191;margin:15px 0;white-space:pre-wrap}.notice.error{background:#38242a;border-color:#b05b67;color:#ffc3c8}.notice.success{background:#13392e;border-color:#27866c;color:#94efd0}#matches{display:grid;gap:10px;margin:20px 0}.match-button{text-align:left;padding:14px 18px;width:100%}.match-button small{display:block;color:var(--muted);font-weight:400}.order-title{margin-top:28px}.badge{border-radius:16px;padding:4px 12px;color:var(--yellow);background:#392d19;font-size:12px;font-weight:800;white-space:nowrap}.badge.success{color:#94efd0;background:#13392e}.product{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:18px;margin:12px 0}.product.matched{border-left:3px solid var(--green)}.product-head{display:flex;gap:14px;align-items:flex-start}.product-image{width:72px;height:72px;padding:0;overflow:hidden;border:0;border-radius:9px;background:#fff;flex-shrink:0}.product-image img{width:100%;height:100%;object-fit:contain}.sku{font-size:18px;font-weight:800;color:#fff}.name{font-size:14px;color:var(--muted);margin-top:3px}.match-note{color:var(--green);font-size:12px}.fields{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:8px}.cost-box{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:16px;padding-top:14px}.cost-box span{font-size:13px;color:var(--muted)}.cost{font-size:25px;letter-spacing:.3px;color:var(--green);font-weight:800}.shelf-box{margin-top:9px}.shelf-fixed{display:flex;align-items:center;gap:10px;min-height:44px}.shelf-fixed strong{font-family:ui-monospace,monospace;color:var(--green)}.shelf-fixed button{padding:4px 7px;font-size:12px;min-height:32px;background:none;border:0}.note{margin-top:10px;color:var(--muted);font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}.save-status{font-size:12px;color:var(--muted);min-height:20px;white-space:pre-wrap}.receipt-panel{position:sticky;bottom:10px;display:flex;justify-content:space-between;align-items:center;gap:15px;box-shadow:0 8px 30px #0008}.receipt-panel p{font-size:12px;color:var(--muted);margin:3px 0 0}.receipt-panel button{flex-shrink:0}.empty{text-align:center;padding:45px 15px;color:var(--muted)}.scan-symbol{font-size:60px;color:#43536b}.empty h2{color:var(--text)}dialog{width:min(94vw,540px);max-height:90vh;overflow:auto;border:1px solid var(--line);border-radius:16px;padding:24px;background:var(--panel);color:var(--text)}dialog::backdrop{background:#000b}.actions{justify-content:flex-end;margin-top:20px}#loginError{color:#ffb1bb}#confirmLines{border-top:1px solid var(--line);margin:12px 0}.confirm-line{padding:10px 0;border-bottom:1px solid var(--line)}.confirm-line small{display:block;color:var(--muted)}#imageDialog{padding:12px;width:min(94vw,800px)}#largeImage{width:100%;max-height:80vh;object-fit:contain}.image-close{float:right}body.busy main input,body.busy main select{pointer-events:none}[hidden]{display:none!important}
.shelf-suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-height:240px;overflow:auto;margin:10px 0;overscroll-behavior:contain}.shelf-suggestions p{grid-column:1/-1}.shelf-option{text-align:left;min-height:54px;padding:10px}.shelf-option span{display:block;font-size:12px;color:var(--muted)}.shelf-option[aria-pressed=true]{border-color:var(--green);background:#153c32}.shelf-selection{color:var(--green);font-weight:700}.shelf-message{color:#ffc66b;white-space:pre-wrap}.shelf-actions{display:flex;gap:8px;flex-wrap:wrap}.shelf-box{scroll-margin:12px}
@media(max-width:640px){header{padding:12px 14px}nav{gap:8px}nav button{padding:7px 10px}main{padding:24px 12px 45px}h1{font-size:28px}.panel{padding:16px}.camera-toolbar{align-items:flex-start;flex-direction:column;gap:8px}.fields{grid-template-columns:repeat(2,minmax(0,1fr))}.product{padding:14px}.receipt-panel{bottom:5px;align-items:stretch;flex-direction:column;gap:10px}.receipt-panel button{width:100%}.order-title{align-items:flex-start;flex-direction:column;gap:5px}}