@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap";:root{--bg: #f4f4f0;--ink: #0b0b0b;--muted: #6d6d6d;--border: #d1d1d1;--border-dark: #0b0b0b;--card: #ffffff;--pill: #0b0b0b;--pill-text: #ffffff;--success: #22c55e;--error: #ef4444}*{box-sizing:border-box}body{margin:0;font-family:Space Grotesk,sans-serif;color:var(--ink);background:radial-gradient(circle at 15% 20%,#fff,#f4f4f0,#e9e9e5);min-height:100vh}.page{min-height:100vh;padding:32px}.header{display:flex;justify-content:space-between;align-items:center;max-width:1600px;margin:0 auto 32px;padding:0 16px}.header-left h1{margin:4px 0 0;font-size:28px}.eyebrow{text-transform:uppercase;letter-spacing:.2em;font-size:11px;color:var(--muted);margin:0}.docs-link{padding:10px 20px;background:var(--card);border:1px solid var(--border-dark);border-radius:999px;color:var(--ink);text-decoration:none;font-size:14px;font-weight:500;transition:background .15s}.docs-link:hover{background:var(--bg)}.flow{display:flex;align-items:flex-start;gap:16px;max-width:1600px;margin:0 auto;padding:0 16px;overflow-x:auto}.arrow{flex-shrink:0;font-size:24px;color:var(--muted);padding-top:80px;-webkit-user-select:none;user-select:none}.card{flex:1;min-width:280px;max-width:360px;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:24px;transition:border-color .2s,opacity .2s}.card-disabled{opacity:.5;pointer-events:none}.card-complete{border-color:var(--border-dark)}.card-success{border-color:var(--success);opacity:1;pointer-events:auto}.card-error{border-color:var(--error);opacity:1;pointer-events:auto}.card-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.card-header h2{margin:0;font-size:18px}.step{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--pill);color:var(--pill-text);border-radius:50%;font-size:14px;font-weight:600}.card-complete .step{background:var(--success)}.muted{color:var(--muted);font-size:13px;line-height:1.5;margin:0 0 16px}.muted a{color:var(--ink);text-decoration:underline}.fields{display:flex;flex-direction:column;gap:12px}.field{display:flex;flex-direction:column;gap:4px}label{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}input{padding:10px 12px;border-radius:10px;border:1px solid var(--border);font-family:IBM Plex Mono,monospace;font-size:13px;background:var(--card);transition:border-color .15s}input:focus{outline:none;border-color:var(--border-dark)}input:disabled{background:var(--bg);cursor:not-allowed}.card-actions{display:flex;gap:8px;margin-top:16px}.primary,.secondary,.ghost{border-radius:999px;padding:10px 18px;border:1px solid var(--border-dark);cursor:pointer;font-size:13px;font-weight:500;background:#fff;transition:background .15s,opacity .15s}.primary{background:var(--pill);color:var(--pill-text)}.primary:hover:not(:disabled){opacity:.9}.secondary:hover:not(:disabled){background:var(--bg)}.ghost{border-color:var(--border)}.ghost:hover:not(:disabled){border-color:var(--border-dark)}.primary:disabled,.secondary:disabled{opacity:.4;cursor:not-allowed}.status{margin:12px 0 0;font-size:13px;color:var(--muted)}.status-success{color:var(--success)}.merchant-info{display:flex;align-items:center;gap:12px;margin-top:16px;padding:12px;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:10px}.merchant-logo{width:40px;height:40px;border-radius:8px;object-fit:cover;border:1px solid var(--border)}.merchant-details{display:flex;flex-direction:column;gap:2px;min-width:0}.merchant-name{font-size:14px;font-weight:600;color:var(--ink)}.merchant-id{font-size:11px;font-family:IBM Plex Mono,monospace;color:var(--muted);overflow:hidden;text-overflow:ellipsis}.hint{margin:16px 0 0;padding:12px;background:#fef9c3;border-radius:10px;font-size:13px;color:#854d0e}.hint a{color:#854d0e;font-weight:500}.checkout-url{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.checkout-url a{color:var(--ink);font-size:12px;font-family:IBM Plex Mono,monospace;word-break:break-all}pre{margin:0;padding:12px;border-radius:10px;background:#f8f8f6;border:1px solid var(--border);font-family:IBM Plex Mono,monospace;font-size:11px;overflow-x:auto;max-height:200px;overflow-y:auto}.placeholder{display:flex;align-items:center;justify-content:center;padding:48px 24px;background:var(--bg);border-radius:10px;color:var(--muted);font-size:13px;text-align:center}.result{display:flex;flex-direction:column;align-items:center;padding:24px;border-radius:12px;text-align:center}.result.success{background:#dcfce7}.result.cancelled{background:#fee2e2}.result-icon{font-size:36px;margin-bottom:8px}.result.success .result-icon{color:var(--success)}.result.cancelled .result-icon{color:var(--error)}.result-text{font-size:16px;font-weight:600;margin-bottom:4px}.result-detail{font-size:13px;color:var(--muted);margin:0}@media (max-width: 1200px){.flow{flex-wrap:wrap;justify-content:center}.arrow{display:none}.card{max-width:400px}}@media (max-width: 600px){.page{padding:16px}.header{flex-direction:column;align-items:flex-start;gap:16px}.card{min-width:unset;width:100%}}