:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--brand:#d81b60;--bg:#fafafa;--panel:#fff;--border:#e5e5e5;--text:#222;--muted:#777;font-family:Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.boot-screen{justify-content:center;align-items:center;height:100vh;font-size:1.2rem;display:flex}.app-header{background:var(--panel);border-bottom:1px solid var(--border);align-items:center;gap:1.5rem;padding:.75rem 1.5rem;display:flex;position:sticky;top:0}.brand{color:var(--brand);font-size:1.25rem;font-weight:700;text-decoration:none}.app-header nav{flex:1;gap:1rem;display:flex}.app-header nav a{color:var(--text);text-decoration:none}.app-header nav a:hover{color:var(--brand)}.auth-area{align-items:center;gap:.75rem;display:flex}.username{color:var(--muted);font-size:.9rem}.app-main{max-width:960px;margin:0 auto;padding:1.5rem}button{background:var(--brand);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:.5rem 1rem;font-size:.95rem}button:disabled{opacity:.6;cursor:not-allowed}button.link{color:var(--brand);background:0 0;text-decoration:underline}button.danger{background:#b71c1c}.product-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem;display:grid}.product-card{background:var(--panel);border:1px solid var(--border);text-align:center;border-radius:10px;padding:1rem}.product-emoji{font-size:2.5rem}.product-name{margin:.5rem 0 .1rem;font-weight:600}.product-category{color:var(--muted);font-size:.85rem}.product-price{margin:.5rem 0;font-weight:700}.cart-table{border-collapse:collapse;width:100%;margin-bottom:1rem}.cart-table td,.cart-table th{border-bottom:1px solid var(--border);text-align:left;padding:.5rem}.cart-table input[type=number]{width:60px}.cart-total{margin-bottom:1rem;font-size:1.1rem;font-weight:700}.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;margin:1rem 0;padding:1.25rem}.panel.success{border-color:#2e7d32}.hint{color:var(--muted)}.error{color:#b71c1c;background:#fdecea;border-radius:6px;margin:1rem 0;padding:.75rem}.account-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin:1rem 0;display:grid}.account-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:1rem}.account-name{font-weight:700}.account-no{color:var(--muted);margin-bottom:.5rem;font-size:.85rem}.account-balance{margin-bottom:.25rem;font-size:.9rem}.radio-row{align-items:center;gap:.5rem;padding:.4rem 0;display:flex}