:root{--bg: #f4f5f7;--card: #ffffff;--text: #14161a;--muted: #5d6572;--line: #e2e5ea;--accent: #1f4fe0;--accent-text: #ffffff;--ok: #0c7a43;--ok-bg: #e6f6ee;--err: #b42318;--err-bg: #fdecea;--info-bg: #eef2fd;--radius: 14px;color-scheme:light dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0e1013;--card: #171a1f;--text: #eceef2;--muted: #9aa3b0;--line: #2a2f37;--accent: #6c8cff;--accent-text: #0b1020;--ok: #4cd08a;--ok-bg: #11271c;--err: #ff8a80;--err-bg: #2c1513;--info-bg: #161e33}}:root[data-theme=dark]{--bg: #0e1013;--card: #171a1f;--text: #eceef2;--muted: #9aa3b0;--line: #2a2f37;--accent: #6c8cff;--accent-text: #0b1020;--ok: #4cd08a;--ok-bg: #11271c;--err: #ff8a80;--err-bg: #2c1513;--info-bg: #161e33}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.shell{min-height:100vh;display:grid;place-items:center;padding:16px}.shell.embedded{min-height:0;padding:0;background:transparent}.card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:grid;gap:20px}.embedded .card{border:0;max-width:none;padding:16px}.badge{justify-self:start;font-size:12px;font-weight:600;color:#8a5a00;background:#fff4d6;border-radius:999px;padding:4px 10px}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .badge{color:#ffd479;background:#3a2d0c}}.summary{display:grid;gap:4px}.merchant{margin:0;color:var(--muted);font-size:14px}.amount{margin:0;font-size:40px;line-height:1.1;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.desc{margin:0;color:var(--muted);font-size:15px}.pay,.wallets{display:grid;gap:12px}.label{margin:0;font-size:13px;font-weight:600;color:var(--muted)}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.65}button:focus-visible,select:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 55%,transparent);outline-offset:2px}.primary{background:var(--accent);color:var(--accent-text);border:0;border-radius:10px;padding:14px 16px;font-weight:600;font-size:16px;display:inline-flex;gap:8px;align-items:center;justify-content:center}.wallet{display:flex;align-items:center;gap:12px;background:transparent;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:16px;text-align:left}.wallet:hover:not(:disabled){border-color:var(--accent)}.wallet img{border-radius:6px}.wallet-row{display:flex;justify-content:space-between;align-items:center;font-size:14px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.link{background:none;border:0;color:var(--accent);padding:0;font-size:14px}.field{display:grid;gap:6px;font-size:13px;font-weight:600;color:var(--muted)}select{font:inherit;font-size:16px;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px}.hint{margin:0;color:var(--muted);font-size:13px}.inline-error{margin:0;color:var(--err);font-size:14px}.notice{border-radius:10px;padding:14px 16px;display:grid;gap:4px}.notice h2{margin:0;font-size:16px}.notice p{margin:0;font-size:14px}.notice.success{background:var(--ok-bg);color:var(--ok)}.notice.error{background:var(--err-bg);color:var(--err)}.notice.info{background:var(--info-bg);color:var(--text)}.progress{display:flex;gap:14px;align-items:center;background:var(--info-bg);border-radius:10px;padding:16px}.progress p{margin:2px 0 0;font-size:14px;color:var(--muted)}.spinner{width:22px;height:22px;border:3px solid color-mix(in srgb,var(--accent) 25%,transparent);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;flex:none}.spinner.small{width:16px;height:16px;border-width:2px;border-color:color-mix(in srgb,currentColor 30%,transparent);border-top-color:currentColor}.skeleton{height:120px;border-radius:10px;background:linear-gradient(90deg,var(--line),transparent,var(--line));background-size:200% 100%;animation:shimmer 1.4s infinite}.foot{text-align:center;font-size:12px;color:var(--muted)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{to{background-position:-200% 0}}@media(prefers-reduced-motion:reduce){.spinner,.skeleton{animation:none}}