body{font-family:Arial,sans-serif;margin:0;background:#f7f3ef;color:#2f1b12}.topbar{background:#3b2117;color:#fff;padding:14px 22px;display:flex;justify-content:space-between;align-items:center}.topbar a{color:#fff;margin-left:14px;text-decoration:none}.container{padding:22px}.card{background:#fff;border-radius:12px;padding:18px;box-shadow:0 2px 10px rgba(0,0,0,.08);margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.btn{background:#7b3f21;color:white;border:0;border-radius:8px;padding:10px 14px;cursor:pointer;text-decoration:none;display:inline-block}.btn.secondary{background:#c58b57}.btn.danger{background:#a83232}input,select{padding:10px;border:1px solid #ddd;border-radius:8px;width:100%;box-sizing:border-box;margin:5px 0 12px}table{width:100%;border-collapse:collapse;background:white}th,td{padding:10px;border-bottom:1px solid #eee;text-align:left}.product{border:1px solid #ead8c7;border-radius:10px;padding:12px;background:#fff;cursor:pointer}.product:hover{background:#fff5ec}.receipt{max-width:360px;margin:auto;background:white;padding:20px}.right{text-align:right}.login-box{max-width:380px;margin:70px auto}.muted{color:#777}.pill{background:#ead8c7;padding:4px 8px;border-radius:20px;font-size:12px}.pos-layout{display:grid;grid-template-columns:2fr 1fr;gap:18px}@media(max-width:800px){.pos-layout{grid-template-columns:1fr}}

/* v7 QR + mobile/tablet optimization */
main{padding:22px}.customer-body{background:#f7f3ef}.customer-header{background:#3b2117;color:#fff;padding:18px;text-align:center}.customer-header h2{margin:0}.customer-wrap{max-width:1180px;margin:auto;padding:14px}.customer-layout{display:grid;grid-template-columns:2fr 380px;gap:14px}.customer-product{text-align:left;font-size:16px;min-height:105px}.customer-cart{position:sticky;top:10px;height:max-content}.btn-large{font-size:18px;width:100%;padding:15px}.status-pill{display:inline-block;background:#ead8c7;border-radius:30px;padding:6px 10px;font-weight:bold}.action-row{display:flex;gap:8px;flex-wrap:wrap}.action-row .btn{flex:1}.success{color:#137333;font-weight:bold}.sticky-card{position:sticky;top:0;z-index:2}
@media(max-width:900px){.topbar{display:block}.topbar a{display:inline-block;margin:6px 8px 0 0}.customer-layout{grid-template-columns:1fr}.customer-cart{position:fixed;left:0;right:0;bottom:0;top:auto;max-height:48vh;overflow:auto;border-radius:18px 18px 0 0;z-index:5}.customer-products{padding-bottom:360px}.product{min-height:92px}.grid{grid-template-columns:repeat(auto-fit,minmax(145px,1fr))}table{display:block;overflow-x:auto;white-space:nowrap}.container,main{padding:12px}}
@media(max-width:560px){body{font-size:15px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.product{padding:10px}.btn{padding:12px 10px}.card{padding:14px}.topbar{font-size:14px}.topbar a{background:#5a3425;border-radius:8px;padding:8px;margin:4px}.customer-header{padding:14px}.customer-wrap{padding:8px}.customer-product{font-size:14px}.customer-cart h3{margin-top:0}}