:root{--brand:#ed1c24;--brand-dark:#c81319;--brand-darker:#a10f14;--brand-50:#fef2f2;--brand-100:#fcdcdd;--blue:#0067b1;--blue-dark:#004a80;--amber:#f59e0b;--danger:#dc2626;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--bg:#f1f5f9;--card:#fff;--radius:16px;--shadow:0 2px 12px #0f172a0f;--shell:480px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{color:var(--ink);-webkit-font-smoothing:antialiased;background:#0b1f33;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.shell{max-width:var(--shell);background:var(--bg);flex-direction:column;min-height:100vh;margin:0 auto;display:flex;position:relative;box-shadow:0 0 40px #00000040}.screen{flex:1;padding:16px 16px 96px;overflow-y:auto}.screen.flush{padding:0 0 96px}h1{font-size:22px;font-weight:800}h2{font-size:17px;font-weight:700}.muted{color:var(--muted)}.small{font-size:13px}.tiny{font-size:11px}.center{text-align:center}.appbar{z-index:20;background:var(--card);border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:14px 16px;display:flex;position:sticky;top:0}.appbar .title{flex:1;font-size:16px;font-weight:700}.appbar .back{cursor:pointer;color:var(--ink);background:0 0;border:none;font-size:20px}.btn{cursor:pointer;background:var(--brand);color:#fff;border:none;border-radius:12px;justify-content:center;align-items:center;gap:8px;width:100%;padding:13px 18px;font-size:15px;font-weight:700;transition:background .15s,transform 50ms;display:inline-flex}.btn:active{transform:scale(.99)}.btn:hover{background:var(--brand-dark)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{color:var(--brand-dark);border:1.5px solid var(--brand);background:#fff}.btn.ghost{color:var(--brand-dark);background:0 0}.btn.dark{background:var(--ink)}.btn.sm{border-radius:10px;width:auto;padding:9px 12px;font-size:13px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.card+.card{margin-top:12px}.field{margin-bottom:14px}.field label{color:#334155;margin-bottom:6px;font-size:13px;font-weight:600;display:block}.input,select.input,textarea.input{border:1.5px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:12px;padding:13px 14px;font-family:inherit;font-size:15px}.input:focus{border-color:var(--brand);outline:none}.chip{border:1.5px solid var(--line);color:#334155;cursor:pointer;white-space:nowrap;background:#fff;border-radius:999px;align-items:center;gap:5px;padding:6px 12px;font-size:13px;font-weight:600;display:inline-flex}.chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}.badge{border-radius:999px;padding:3px 9px;font-size:11px;font-weight:700;display:inline-block}.badge.vip{color:#b45309;background:#fef3c7}.badge.green{background:var(--brand-100);color:var(--brand-darker)}.badge.amber{color:#b45309;background:#fef3c7}.badge.blue{color:#1d4ed8;background:#dbeafe}.badge.red{color:#b91c1c;background:#fee2e2}.badge.gray{color:#475569;background:#e2e8f0}.row{align-items:center;gap:12px;display:flex}.between{justify-content:space-between;align-items:center;display:flex}.stack{flex-direction:column;gap:12px;display:flex}.scroll-x{gap:10px;padding-bottom:4px;display:flex;overflow-x:auto}.scroll-x::-webkit-scrollbar{display:none}.bottomnav{width:100%;max-width:var(--shell);border-top:1px solid var(--line);z-index:30;background:#fff;justify-content:space-around;padding:8px 4px 10px;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottomnav a{text-align:center;color:var(--muted);flex-direction:column;flex:1;align-items:center;gap:3px;font-size:10px;font-weight:600;text-decoration:none;display:flex}.bottomnav a .ic{font-size:20px}.bottomnav a.active{color:var(--brand-dark)}.pgrid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.pcard{box-shadow:var(--shadow);background:#fff;border-radius:14px;flex-direction:column;display:flex;overflow:hidden}.pcard .thumb{background:var(--brand-50);justify-content:center;align-items:center;height:96px;font-size:40px;display:flex}.pcard .body{flex-direction:column;flex:1;gap:4px;padding:10px;display:flex}.pcard .name{font-size:13px;font-weight:600;line-height:1.3}.pcard .price{color:var(--brand-dark);font-weight:800}.hero{background:linear-gradient(135deg, var(--brand-dark), var(--brand-darker));color:#fff;border-radius:0 0 22px 22px;padding:20px 16px}.qty{border:1.5px solid var(--line);border-radius:10px;align-items:center;display:inline-flex;overflow:hidden}.qty button{cursor:pointer;width:34px;height:34px;color:var(--brand-dark);background:#fff;border:none;font-size:18px}.qty span{text-align:center;width:34px;font-weight:700}.divider{background:var(--line);height:1px;margin:14px 0}.link{color:var(--brand-dark);cursor:pointer;font-weight:700;text-decoration:none}.spinner{text-align:center;color:var(--muted);padding:40px}.error-text{color:var(--danger);font-size:13px}.list-item{border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:12px 0;display:flex}.list-item:last-child{border-bottom:none}.avatar-em{background:var(--brand-50);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;display:flex}.barcode{letter-spacing:2px;background:repeating-linear-gradient(90deg,#111 0 2px,#fff 2px 4px,#111 4px 5px,#fff 5px 9px);border-radius:4px;height:56px;font-family:Courier New,monospace}.fab-cart{width:calc(100% - 32px);max-width:calc(var(--shell) - 32px);z-index:25;position:fixed;bottom:84px;left:50%;transform:translate(-50%)}