:root{--bg:#f4f4f5;--surface:#fff;--text:#18181b;--muted:#71717a;--border:#e4e4e7;--primary:#4f46e5;--primary-text:#fff;--danger:#b91c1c;--danger-bg:#fef2f2;--success:#15803d;--success-bg:#f0fdf4;--warn:#92400e;--warn-bg:#fef3c7;--info-bg:#eef2ff;--radius:12px;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#09090b;--surface:#18181b;--text:#f4f4f5;--muted:#a1a1aa;--border:#3f3f46;--primary:#818cf8;--primary-text:#0b0b12;--danger:#fca5a5;--danger-bg:#3b0d0d;--success:#86efac;--success-bg:#0d2a17;--warn:#fcd34d;--warn-bg:#3a2a05;--info-bg:#1e1b4b}}*{box-sizing:border-box}body{background:var(--bg);margin:0}.shell{max-width:460px;margin:0 auto;padding:32px 16px 48px}.brand{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;display:flex}.brand h1{margin:0 auto 0 0;font-size:1.5rem}.badge{background:var(--info-bg);color:var(--primary);border-radius:999px;padding:3px 8px;font-size:12px}.badge.warn{background:var(--warn-bg);color:var(--warn)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:16px;padding:24px;display:flex}.field{flex-direction:column;gap:6px;font-size:14px;font-weight:500;display:flex}.field-error{color:var(--danger);font-weight:400}input,select,button,.as-button{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;min-height:44px;padding:10px 12px;font-size:16px}input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--primary);outline-offset:2px}input[aria-invalid=true]{border-color:var(--danger)}.amount-row{gap:8px;display:flex}.amount-row input{flex:1;min-width:0}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-text);font-weight:600}.as-button{justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.settle-note{color:var(--muted);margin:0;font-size:13px}.methods{color:var(--muted);text-align:center;margin:-6px 0 0;font-size:12px}.muted{color:var(--muted);margin:0}code{word-break:break-all;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85em}.alert{border-radius:8px;margin:0;padding:10px 12px;font-size:14px}.alert.error{background:var(--danger-bg);color:var(--danger)}.status-pill{text-transform:capitalize;background:var(--info-bg);color:var(--primary);border-radius:999px;align-self:flex-start;padding:4px 10px;font-size:13px;font-weight:600}.status-pill.s-completed{background:var(--success-bg);color:var(--success)}.status-pill.s-failed,.status-pill.s-expired{background:var(--danger-bg);color:var(--danger)}.status-msg{margin:0;font-size:1.05rem}.steps{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.steps li{color:var(--muted);align-items:center;gap:10px;font-size:14px;display:flex}.steps li:before{content:"";border:2px solid var(--border);border-radius:50%;flex-shrink:0;width:12px;height:12px}.steps li.done{color:var(--text)}.steps li.done:before{background:var(--success);border-color:var(--success)}.steps li.active{color:var(--text);font-weight:600}.steps li.active:before{border-color:var(--primary);animation:1.2s ease-in-out infinite pulse}@keyframes pulse{50%{background:var(--primary)}}@media (prefers-reduced-motion:reduce){.steps li.active:before{background:var(--primary);animation:none}}.details{grid-template-columns:auto 1fr;gap:6px 16px;margin:0;font-size:14px;display:grid}.details dt{color:var(--muted)}.details dd{min-width:0;margin:0}.details a{color:var(--primary)}.verified{color:var(--success);margin-top:2px;font-size:13px;display:block}.actions{flex-direction:column;gap:8px;display:flex}.actions:empty{display:none}.foot{color:var(--muted);text-align:center;margin-top:20px;font-size:12px}.embedded-checkout{min-height:420px}