:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:#1c1917;background-color:#faf7f5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh;background-color:#faf7f5}#root{min-height:100vh}:root{--primary: #7c2d12;--primary-hover: #6b2311;--primary-light: #fff7ed;--border: #e5d9d0;--border-focus: #7c2d12;--bg: #faf7f5;--text: #1c1917;--text-muted: #78716c;--accent: #d97706;--success: #15803d;--success-bg: #f0fdf4;--success-border: #86efac;--error: #b91c1c;--error-bg: #fef2f2;--error-border: #fca5a5}.app{max-width:660px;margin:0 auto;padding:0 1rem 4rem}.app-header{text-align:center;padding:2.5rem 0 1.25rem;border-bottom:1px solid var(--border);display:flex;flex-direction:column;align-items:center;gap:.5rem}.app-logo{width:44px;height:44px}.app-header h1{font-size:1.5rem;margin:0;color:var(--primary);font-weight:700;letter-spacing:-.02em}.subtitle{font-size:.82rem;color:var(--text-muted);margin:0;letter-spacing:.04em;text-transform:uppercase}.tab-bar{display:flex;border-bottom:2px solid var(--border);margin:0 0 1.75rem}.tab-btn{flex:1;padding:.875rem;border:none;border-radius:0;background:none;cursor:pointer;font-size:.9rem;font-weight:500;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .2s,border-color .2s}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:700}.tab-btn:hover:not(.active){color:var(--primary)}.page-content{display:flex;flex-direction:column;align-items:center;gap:1.25rem}.page-content h2{font-size:1.05rem;margin:0;text-align:center;color:var(--text);font-weight:600}.mode-toggle{display:flex;gap:4px;background:var(--primary-light);border-radius:24px;padding:4px;border:1px solid #fed7aa}.btn-toggle{padding:6px 20px;border-radius:20px;border:none;background:transparent;color:var(--primary);cursor:pointer;font-weight:600;font-size:.875rem;transition:background .2s,color .2s,box-shadow .2s}.btn-toggle.active{background:var(--primary);color:#fff;box-shadow:0 1px 4px #7c2d1259}.form{width:100%;max-width:420px;display:flex;flex-direction:column;gap:14px}.field{display:flex;flex-direction:column;gap:5px;font-size:.825rem;font-weight:500;color:var(--text)}.field input{padding:9px 12px;border:1.5px solid var(--border);border-radius:8px;font-size:.9rem;font-family:inherit;background:#fff;color:var(--text);transition:border-color .15s,box-shadow .15s}.field input:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #7c2d121a}.btn-primary{padding:11px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:background .15s,transform .1s}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-primary:active:not(:disabled){transform:scale(.99)}.btn-primary:disabled{background:#c9a99e;cursor:default}.btn-secondary{padding:7px 20px;background:#fff;color:var(--text-muted);border:1.5px solid var(--border);border-radius:8px;font-size:.875rem;cursor:pointer;transition:border-color .15s,color .15s}.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}.btn-copy{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;font-size:.72rem;background:#fff;border:1px solid var(--border);border-radius:4px;cursor:pointer;color:var(--text-muted);transition:border-color .15s,color .15s;font-family:inherit}.btn-copy:hover{border-color:var(--primary);color:var(--primary)}.btn-copy.copied{color:var(--success);border-color:var(--success-border)}.qr-block{display:flex;flex-direction:column;align-items:center;gap:10px}.qr-img{width:256px;height:256px;border:1px solid var(--border);border-radius:12px;box-shadow:0 4px 16px #00000014;padding:8px;background:#fff;box-sizing:content-box}.txid-row{display:flex;align-items:center;gap:6px}.txid{font-size:.68rem;color:var(--text-muted);margin:0;word-break:break-all;text-align:center;max-width:280px;font-family:SF Mono,Fira Code,ui-monospace,monospace}.deep-link-row{display:flex;flex-direction:column;align-items:center;gap:4px}.deep-link{font-size:.68rem;color:var(--primary);word-break:break-all;max-width:340px;text-align:center;text-decoration:none}.deep-link:hover{text-decoration:underline}.polling-indicator{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:.875rem}.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0;animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.65)}}.hint{color:var(--text-muted);font-size:.875rem;margin:0;text-align:center}.error{color:var(--error);font-size:.875rem;margin:0;padding:10px 14px;background:var(--error-bg);border-radius:8px;border:1px solid var(--error-border);max-width:420px;width:100%;box-sizing:border-box}.result-box{width:100%;max-width:500px;padding:1.25rem;border-radius:12px;box-sizing:border-box}.result-box.success{border:1px solid var(--success-border);background:var(--success-bg)}.result-box h3{margin:0 0 .875rem;color:var(--success);font-size:1rem;display:flex;align-items:center;gap:6px}.result-box pre{font-size:.72rem;overflow-x:auto;white-space:pre-wrap;word-break:break-all;margin:0 0 .875rem;color:var(--text);background:#fff;padding:10px 12px;border-radius:6px;border:1px solid var(--success-border);font-family:SF Mono,Fira Code,ui-monospace,monospace}.app-main{color:var(--text)}