:root{--bg:#f4f6f8;--surface:#ffffff;--surface-strong:#eef4f1;--text:#17201c;--muted:#66736e;--line:#d9e2de;--accent:#0f7a5a;--accent-strong:#0a5d45;--warning:#a86600;--danger:#b42318;--success:#147a3d;--shadow:0 18px 45px rgba(30,42,36,0.12)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}button,input,select{font:inherit}.shell{min-height:100vh;padding:28px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:1180px;margin:0 auto 24px}.eyebrow{margin:0 0 7px;color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase}h1,h2{margin:0;letter-spacing:0}h1{font-size:28px}h2{font-size:20px}.workspace{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);grid-gap:20px;gap:20px;max-width:1180px;margin:0 auto}.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:22px}.panelHeader{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:22px}.status{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface-strong);color:var(--muted);font-size:13px;font-weight:700}.status.delivered,.status.paid{color:var(--success);border-color:rgba(20,122,61,.25);background:rgba(20,122,61,.08)}.status.disabled,.status.expired,.status.failed{color:var(--danger);border-color:rgba(180,35,24,.24);background:rgba(180,35,24,.08)}.summaryGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px}.metric{min-height:92px;border:1px solid var(--line);border-radius:8px;padding:14px;display:grid;grid-template-columns:28px 1fr;grid-gap:7px 10px;gap:7px 10px;align-items:center;background:#fbfcfc}.metricIcon{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;color:var(--accent)}.metricLabel{color:var(--muted);font-size:13px}.metric strong{grid-column:1/-1;min-width:0;overflow-wrap:anywhere;font-size:18px}.actions{display:flex;gap:12px;margin-top:22px}.paymentModeTabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:8px;gap:8px;margin-top:18px;padding:4px;border:1px solid var(--line);border-radius:8px;background:#fbfcfc}.paymentModeTabs button{min-height:40px;border:0;border-radius:6px;background:transparent;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;cursor:pointer}.paymentModeTabs button.active{background:var(--surface);color:var(--accent-strong);box-shadow:0 0 0 1px rgba(15,122,90,.2)}.amountInputLabel{display:grid;grid-gap:8px;gap:8px;margin-top:18px;color:var(--muted);font-size:13px;font-weight:700}.amountInputLabel input{width:100%;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:0 12px;color:var(--text);background:#fff;font-size:18px;font-weight:700}.primaryButton,.secondaryButton{min-height:44px;border-radius:8px;border:1px solid transparent;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;cursor:pointer}.primaryButton{background:var(--accent);color:white}.primaryButton:hover:not(:disabled){background:var(--accent-strong)}.secondaryButton{background:#fff;color:var(--accent-strong);border-color:rgba(15,122,90,.28)}.secondaryButton:hover:not(:disabled){background:rgba(15,122,90,.07)}.dangerButton{color:var(--danger);border-color:rgba(180,35,24,.24)}.dangerButton:hover:not(:disabled){background:rgba(180,35,24,.07)}.fullWidth{width:100%}.transferBox{margin-top:18px;border:1px solid var(--line);border-radius:8px;padding:14px;background:#fbfcfc}.mobileCheckoutShell{padding:18px;background:#f6f8f7}.mobileTopbar{width:min(100%,520px);margin-bottom:14px;align-items:center}.mobileTopbar h1{font-size:22px}.mobileCheckoutWorkspace{width:min(100%,520px);grid-template-columns:1fr;gap:0}.mobileCheckoutWorkspace .panel{box-shadow:0 12px 34px rgba(30,42,36,.1);padding:18px}.mobileCheckoutWorkspace .panelHeader{margin-bottom:14px}.mobileCheckoutWorkspace .panelHeader h2{font-size:24px}.mobilePaySummary{display:grid;grid-gap:10px;gap:10px;margin-top:8px}.mobilePaySummary div{display:grid;grid-gap:6px;gap:6px;border:1px solid var(--line);border-radius:8px;padding:12px;background:#fbfcfc}.mobilePaySummary span{color:var(--muted);font-size:13px;font-weight:700}.mobilePaySummary strong{min-width:0;overflow-wrap:anywhere;font-size:20px}.mobileTransferBox{margin-top:14px;padding:12px}.mobileTransferBox .transferInstruction{margin-bottom:10px}.mobileTransferBox .row{margin-bottom:12px}.mobileTransferBox .fullWidth{min-height:48px}.mobileWalletConnect{display:grid;grid-gap:10px;gap:10px;margin-bottom:12px;border:1px solid var(--line);border-radius:8px;padding:12px;background:#fff}.mobileWalletConnect span{color:var(--muted);font-size:13px;font-weight:700}.transferInstruction{display:grid;grid-gap:5px;gap:5px;margin-bottom:12px;line-height:1.4}.transferInstruction span{color:var(--muted);font-size:13px}.modalBackdrop{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:18px;background:rgba(23,32,28,.46)}.qrModal{width:min(100%,420px);max-height:calc(100vh - 36px);overflow:auto;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow);padding:18px}.qrModalHeader{display:flex;justify-content:space-between;gap:16px;margin-bottom:16px}.iconButton{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;background:#fff;color:var(--text);cursor:pointer}.iconButton,.qrImage{border:1px solid var(--line);border-radius:8px}.qrImage{width:min(100%,260px);aspect-ratio:1;display:block;margin:0 auto 16px}.qrMeta{display:grid;grid-gap:12px;gap:12px}button:disabled{cursor:not-allowed;opacity:.5}.detailList{margin:0;display:grid;grid-gap:12px;gap:12px}.row{border-bottom:1px solid var(--line);padding-bottom:12px}.row dt{color:var(--muted);font-size:13px;margin-bottom:6px}.row dd{margin:0;min-width:0;overflow-wrap:anywhere;line-height:1.45}.mono{font-family:Cascadia Mono,Consolas,monospace;font-size:13px}.notice{margin-top:14px;min-height:42px;border-radius:8px;padding:10px 12px;display:flex;align-items:center;gap:9px;line-height:1.4}.notice.info{color:var(--warning);background:rgba(168,102,0,.08);border:1px solid rgba(168,102,0,.18)}.notice.error{color:var(--danger);background:rgba(180,35,24,.08);border:1px solid rgba(180,35,24,.2);overflow-wrap:anywhere}.notice.success{color:var(--success);background:rgba(20,122,61,.08);border:1px solid rgba(20,122,61,.2)}.explorerLink{margin-top:16px;min-height:40px;display:inline-flex;align-items:center;gap:8px;color:var(--accent-strong);font-weight:700;text-decoration:none}.spin{animation:spin .8s linear infinite}.adminShell{background:#f4f6f8}.adminTopbar,.adminWorkspace{max-width:1280px}.adminActions{display:flex;gap:10px}.adminWorkspace{display:grid;grid-template-columns:360px minmax(0,1fr);grid-gap:20px;gap:20px;margin:0 auto}.merchantEditorPanel,.merchantListPanel{box-shadow:0 12px 28px rgba(30,42,36,.08)}.merchantList{display:grid;grid-gap:8px;gap:8px}.merchantItem{width:100%;min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:8px;background:#fbfcfc;color:var(--text);padding:10px 12px;text-align:left;cursor:pointer}.merchantItem.active{border-color:rgba(15,122,90,.36);background:rgba(15,122,90,.07)}.merchantItem span{min-width:0;display:grid;grid-gap:5px;gap:5px}.merchantItem small,.merchantItem strong{min-width:0;overflow-wrap:anywhere}.merchantItem em,.merchantItem small{color:var(--muted);font-size:12px}.merchantItem em{flex:0 0 auto;font-style:normal;font-weight:700}.merchantItem em.active{color:var(--success)}.merchantItem em.disabled{color:var(--danger)}.emptyState{min-height:90px;display:grid;place-items:center;color:var(--muted);border:1px dashed var(--line);border-radius:8px}.adminFormGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.adminField{display:grid;grid-gap:8px;gap:8px;color:var(--muted);font-size:13px;font-weight:700}.adminField input,.adminField select{width:100%;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:0 12px;color:var(--text);background:#fff;font-size:14px;font-weight:600}.adminField input:disabled{color:var(--muted);background:#f5f7f6}.copyInput{display:grid;grid-template-columns:minmax(0,1fr) 40px;grid-gap:8px;gap:8px}.adminFooter{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:860px){.shell{padding:18px}.topbar{align-items:flex-start;flex-direction:column}.adminWorkspace,.workspace{grid-template-columns:1fr}.adminActions{width:100%}}@media (max-width:560px){.summaryGrid{grid-template-columns:1fr}.actions{flex-direction:column}.primaryButton,.secondaryButton{width:100%}.adminFormGrid{grid-template-columns:1fr}}