:root{color-scheme:light;--bg: #f5f6f8;--surface: #ffffff;--text: #12141a;--muted: #6b7280;--primary: #0f172a;--accent: #2563eb;--danger: #dc2626;--success: #16a34a;--border: #e5e7eb;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--bg);color:var(--text)}.app-shell{display:flex;flex-direction:column;min-height:100vh;max-width:480px;margin:0 auto;background:var(--bg)}.topbar{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--primary);color:#fff;position:sticky;top:0;z-index:10}.brand{font-weight:700;font-size:1.1rem}.content{flex:1;padding:16px 16px 88px}.tabbar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;display:flex;background:var(--surface);border-top:1px solid var(--border)}.tabbar a{flex:1;text-align:center;padding:12px 0;text-decoration:none;color:var(--muted);font-size:.9rem;font-weight:600}.tabbar a.active{color:var(--accent)}.centered-card{max-width:400px;margin:10vh auto 0;padding:24px;background:var(--surface);border-radius:16px;box-shadow:0 1px 3px #00000014}.form{display:flex;flex-direction:column;gap:14px}.form label{display:flex;flex-direction:column;gap:6px;font-size:.9rem;font-weight:600;color:var(--text)}input,select,textarea{font-size:1rem;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#fff;font-family:inherit}button{font-size:1rem;font-weight:600;padding:12px 16px;border-radius:10px;border:none;background:var(--accent);color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:default}.link-btn{background:none;color:var(--accent);padding:6px 0;font-weight:500}.link-btn.inline{display:inline;padding:0;font-size:inherit;text-decoration:underline}.name-editor{margin-bottom:16px}.muted{color:var(--muted)}.small{font-size:.8rem}.error{color:var(--danger);font-weight:600}.success{color:var(--success);font-weight:600}.balance-card{background:var(--primary);color:#fff;border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:4px;margin-bottom:16px}.balance-label{font-size:.85rem;opacity:.7}.balance-amount{font-size:2.2rem;font-weight:700}.qr-card{background:var(--surface);border-radius:16px;padding:20px;display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:20px}.qr-scanner{border-radius:16px;overflow:hidden;margin:12px 0}.customer-card{background:var(--surface);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:10px}.tx-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.tx-list li{background:var(--surface);border-radius:12px;padding:12px 14px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px}.tx-list li>div:first-child{min-width:0;overflow-wrap:break-word}.admin-account-row{flex-direction:column;align-items:stretch}.admin-account-summary{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px}.admin-account-summary>div:first-child{min-width:0;overflow-wrap:break-word}.admin-inline-form{margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}.admin-inline-buttons{display:flex;align-items:center;gap:12px}.admin-edit-panel{background:var(--surface);border-radius:12px;padding:16px;margin-bottom:16px}.admin-edit-panel h3{margin:0}.table-wrap{overflow-x:auto;margin-bottom:12px;border-radius:12px}.admin-table{width:100%;border-collapse:collapse;background:var(--surface);font-size:.85rem}.admin-table th,.admin-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}.admin-table th{font-size:.7rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);background:var(--bg)}.admin-table tr:last-child td{border-bottom:none}.amount{font-weight:700}.amount.credit{color:var(--success)}.amount.debit{color:var(--danger)}.admin-account-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-left:auto}.admin-account-actions select{padding:8px;font-size:.85rem}.tabs{display:flex;gap:6px;margin-bottom:16px}.tabs button{flex:1;min-width:0;background:var(--surface);color:var(--text);border:1px solid var(--border);padding:10px 6px;font-size:.82rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tabs button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.product-list-item{cursor:pointer}.product-list-item:active{background:var(--bg)}.tx-list li.inactive{opacity:.5}.toast{position:fixed;top:12px;left:50%;transform:translate(-50%);max-width:440px;width:calc(100% - 32px);background:var(--success);color:#fff;padding:12px 16px;border-radius:12px;font-weight:600;text-align:center;z-index:50;box-shadow:0 4px 12px #00000026}