:root{color-scheme:light;--background: #f8faf7;--surface: #ffffff;--ink: #17202a;--muted: #64727f;--line: #d9e2de;--accent: #2f6f63;--accent-strong: #1f4f48;--danger: #a33737;--ok: #246b45;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;color:var(--ink);background:var(--background)}button,input{font:inherit}button{-webkit-tap-highlight-color:transparent}input{width:100%;min-height:48px;border:1px solid var(--line);border-radius:8px;padding:0 12px;color:var(--ink);background:var(--surface)}.shell{width:min(100%,720px);min-height:100vh;margin:0 auto;padding:max(20px,env(safe-area-inset-top)) 18px max(28px,env(safe-area-inset-bottom))}.centered{display:grid;place-items:center}.auth-shell{display:grid;align-items:center}.auth-panel{display:grid;gap:18px;padding:28px 0}.brand-mark{display:grid;width:56px;height:56px;place-items:center;border:1px solid var(--line);border-radius:8px;color:var(--accent);background:var(--surface)}.brand-mark svg{width:28px;height:28px}.eyebrow{margin:0;color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,h3,p{margin:0}h1{margin-top:4px;font-size:clamp(2.6rem,16vw,4.75rem);line-height:.94}h2{font-size:1.15rem;line-height:1.2}.lede,.connection-panel p,.empty-copy,.transaction-row p{color:var(--muted);line-height:1.5}.login-form{display:grid;gap:14px}.login-form label{display:grid;gap:7px;color:var(--muted);font-size:.9rem;font-weight:700}.primary-action,.secondary-action,.icon-button{cursor:pointer}.primary-action,.secondary-action{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:10px;border-radius:8px;font-weight:800}.primary-action{border:0;padding:0 18px;color:#fff;background:var(--accent)}.secondary-action{border:1px solid var(--line);padding:0 16px;color:var(--ink);background:var(--surface)}.primary-action:disabled,.secondary-action:disabled{cursor:wait;opacity:.72}.primary-action svg,.secondary-action svg,.icon-button svg{width:20px;height:20px;flex:0 0 auto}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:10px 0 22px}.icon-button{display:grid;width:44px;height:44px;flex:0 0 44px;place-items:center;border:1px solid var(--line);border-radius:8px;color:var(--ink);background:var(--surface)}.connection-panel,.receipt-panel,.transactions-panel{display:grid;gap:20px;margin-top:12px;padding:20px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.connection-status{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;align-items:start}.connection-status svg{width:24px;height:24px;color:var(--accent)}.success-icon{color:var(--ok)!important}.button-row{display:flex;flex-wrap:wrap;gap:10px}.receipt-actions{display:grid;gap:10px}.receipt-action{width:100%}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-heading span{color:var(--muted);font-size:.85rem;font-weight:800}.transaction-list{display:grid;gap:10px}.receipt-list{display:grid;gap:12px}.receipt-card{display:grid;grid-template-columns:76px minmax(0,1fr);gap:14px;padding:12px;border:1px solid var(--line);border-radius:8px}.receipt-thumb{width:76px;height:76px;border-radius:6px;object-fit:cover;background:#edf3f0}.receipt-thumb.placeholder,.empty-state{display:grid;place-items:center;color:var(--muted)}.receipt-thumb.placeholder svg,.empty-state svg{width:26px;height:26px}.empty-state{min-height:120px;gap:10px;border:1px dashed var(--line);border-radius:8px}.receipt-detail{display:grid;min-width:0;gap:8px}.receipt-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.receipt-title-row h3{min-width:0;overflow-wrap:anywhere;font-size:.95rem;line-height:1.25}.status-badge{flex:0 0 auto;padding:5px 8px;border-radius:999px;color:var(--accent-strong);background:#e7f1ee;font-size:.72rem;font-weight:800;text-transform:capitalize}.status-badge.failed{color:var(--danger);background:#f8e8e8}.json-output{max-height:320px;margin:0;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:12px;background:#fbfcfb;color:var(--ink);font:.78rem/1.45 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.transaction-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:start;padding-bottom:10px;border-bottom:1px solid var(--line)}.transaction-row:last-child{padding-bottom:0;border-bottom:0}.transaction-row h3{overflow-wrap:anywhere;font-size:.95rem;line-height:1.25}.transaction-row p{margin-top:4px;font-size:.85rem;line-height:1.35}.transaction-row strong{font-size:.95rem;white-space:nowrap}.error-banner,.error-text{color:var(--danger)}.error-banner{margin-top:16px;padding:12px;border:1px solid #f0c9c9;border-radius:8px;background:#fff5f5}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (min-width: 640px){.connection-panel{grid-template-columns:1fr auto;align-items:center}.receipt-actions{display:flex;flex-wrap:wrap}.receipt-action{width:fit-content}}