:root{--bg: #ffffff;--text: #111827;--text-muted: #6b7280;--primary: #0ea5e9;--primary-hover: #0284c7;--success: #10b981;--error: #ef4444;--warning: #f59e0b;--border: #e5e7eb;--surface: #ffffff;--surface-alt: #fafafa;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--radius: 8px;--radius-sm: 6px;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}button{font-family:inherit}.app{max-width:880px;margin:0 auto;padding:32px 24px 48px;display:flex;flex-direction:column;gap:24px}.section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px 24px}.section-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin:0 0 16px}.header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:8px 0 16px;border-bottom:1px solid var(--border)}.header-titles h1{margin:0;font-size:22px;font-weight:600;letter-spacing:-.01em}.header-titles p{margin:4px 0 0;color:var(--text-muted);font-size:13px}.header-actions{display:flex;gap:8px;flex-shrink:0}.btn{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:13px;font-weight:500;cursor:pointer;transition:background-color .12s ease,border-color .12s ease,color .12s ease}.btn:hover:not(:disabled){background:var(--surface-alt)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover)}.btn-connected{background:var(--surface-alt);border-color:var(--border);color:var(--text);font-family:var(--font-mono);font-size:12px}.form-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:24px}.form-group{display:flex;flex-direction:column;gap:8px}.form-label{font-size:12px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.radio-group{display:flex;gap:8px}.radio-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border);border-radius:999px;font-size:13px;cursor:pointer;-webkit-user-select:none;user-select:none;background:var(--surface)}.radio-pill input{position:absolute;opacity:0;pointer-events:none}.radio-pill.checked{border-color:var(--primary);color:var(--primary);background:#f0f9ff}.select{height:36px;padding:0 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:13px;font-family:inherit}.form-actions{margin-left:auto}.form-msg{margin-top:12px;font-size:12px;color:var(--text-muted)}.form-msg.error{color:var(--error)}.bundle-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.bundle-progress{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted)}.ring{display:inline-block;width:28px;height:28px;border-radius:50%;background:conic-gradient(var(--primary) calc(var(--ring-pct) * 1%),var(--border) 0);position:relative}.ring:after{content:"";position:absolute;top:4px;right:4px;bottom:4px;left:4px;border-radius:50%;background:var(--surface)}.bundle-list{display:flex;flex-direction:column;gap:8px}.signer-row{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:13px}.signer-row.waiting{color:var(--text-muted);animation:pulse 1.6s ease-in-out infinite}.signer-key{letter-spacing:-.01em}.signer-value{display:flex;align-items:center;gap:8px}.check{color:var(--success);font-weight:600}@keyframes pulse{0%,to{opacity:.55}50%{opacity:1}}.bundle-empty{padding:16px;text-align:center;color:var(--text-muted);font-size:13px;border:1px dashed var(--border);border-radius:var(--radius-sm)}.final-card{display:flex;flex-direction:column;gap:10px;padding:28px 24px;border:1px solid var(--success);background:#ecfdf5;border-radius:var(--radius)}.final-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--success)}.final-value{font-size:36px;font-weight:600;letter-spacing:-.02em;font-family:var(--font-mono);color:var(--text)}.final-meta{display:flex;gap:24px;font-size:13px;color:var(--text-muted)}.final-meta span strong{color:var(--text);font-weight:500}.event-list{max-height:260px;overflow-y:auto;display:flex;flex-direction:column;gap:4px;font-family:var(--font-mono);font-size:12px}.event-row{display:grid;grid-template-columns:14px 80px 90px 1fr;align-items:center;gap:10px;padding:6px 8px;border-radius:var(--radius-sm)}.event-row:hover{background:var(--surface-alt)}.event-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.event-time{color:var(--text-muted)}.event-kind{font-weight:500}.event-detail{color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.events-empty{padding:16px;text-align:center;color:var(--text-muted);font-size:12px;border:1px dashed var(--border);border-radius:var(--radius-sm)}.banner{padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-alt);font-size:13px;color:var(--text-muted)}.banner.error{border-color:var(--error);color:var(--error);background:#fef2f2}.metamask-sig{margin-top:12px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-alt);font-family:var(--font-mono);font-size:11px;word-break:break-all;color:var(--text-muted)}