:root{--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-secondary:#64748b;--color-secondary-hover:#475569;--color-success:#22c55e;--color-error:#ef4444;--color-warning:#f59e0b;--color-bg:#f8fafc;--color-surface:#ffffff;--color-border:#e2e8f0;--color-text:#1e293b;--color-text-muted:#64748b;--shadow-sm:0 1px 2px rgba(0, 0, 0, 0.05);--shadow-md:0 4px 6px -1px rgba(0, 0, 0, 0.1),0 2px 4px -1px rgba(0, 0, 0, 0.06);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1),0 4px 6px -2px rgba(0, 0, 0, 0.05);--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--font-sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;--font-mono:'SF Mono',Monaco,'Cascadia Code','Roboto 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2rem;text-align:center;cursor:pointer;transition:.2s}.drop-zone:hover{border-color:var(--color-primary);background:#f1f5f9}.drop-zone.drag-over{border-color:var(--color-primary);background:#eff6ff;border-style:solid}.drop-zone.processing{pointer-events:none;opacity:.7}.drop-zone-content{display:flex;flex-direction:column;align-items:center;gap:1rem}.drop-zone-icon{color:var(--color-secondary)}.drop-zone-text{font-size:1.125rem;font-weight:500;color:var(--color-text)}.drop-zone-hint{font-size:.875rem;color:var(--color-text-muted)}.status-section{margin-top:1.5rem;background:var(--color-surface);border-radius:var(--radius-md);padding:1.5rem;box-shadow:var(--shadow-sm);border:1px solid var(--color-border)}.status-content{display:flex;flex-direction:column;gap:.75rem}.status-text{font-size:.9375rem;color:var(--color-text);font-weight:500}.progress-bar{width:100%;height:8px;background:var(--color-border);border-radius:9999px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary) 0,#3b82f6 100%);border-radius:9999px;transition:width .3s}.error-section{margin-top:1.5rem;background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius-md);padding:1.5rem}.error-content{display:flex;flex-direction:column;align-items:center;gap:1rem;text-align:center}.error-icon{color:var(--color-error)}.error-text{color:#991b1b;font-size:.9375rem}.results-section{margin-top:1.5rem;background:var(--color-surface);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);border:1px solid var(--color-border)}.results-header{display:flex;justify-content:center;align-items:center;padding-bottom:1rem;border-bottom:1px solid var(--color-border);margin-bottom:1.5rem}.transaction-count{display:flex;flex-direction:column;gap:.25rem;align-items:center}.count-label{font-size:.75rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:500}.count-value{font-size:1.5rem;font-weight:700;color:var(--color-primary)}.warning-banner{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:1.5rem;padding:.875rem 1rem;background:#fffbeb;border:1px solid #fcd34d;border-radius:var(--radius-md)}.warning-icon{font-size:1.25rem;line-height:1;flex-shrink:0}.warning-content{flex:1}.warning-text{font-size:.875rem;color:#92400e;margin:0;line-height:1.5}.preview-section{margin-bottom:1.5rem}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.preview-title{font-size:.875rem;font-weight:600;color:var(--color-text);margin:0}.preview-controls{display:flex;align-items:center;gap:.5rem}.preview-rows-label{font-size:.8125rem;color:var(--color-text-muted)}.preview-rows-select{padding:.375rem .75rem;font-size:.8125rem;font-family:var(--font-sans);color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;transition:border-color .15s}.preview-rows-select:hover{border-color:var(--color-secondary)}.preview-rows-select:focus{outline:0;border-color:var(--color-primary);box-shadow:0 0 0 2px 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1.5rem;font-size:.9375rem;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:.15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:#f1f5f9}.actions{display:flex;gap:1rem;flex-wrap:wrap}.footer{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--color-border);text-align:center}.footer p{font-size:.8125rem;color:var(--color-text-muted);margin:.25rem 0}.hidden{display:none!important}.legal-content{background:var(--color-surface);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-md);border:1px solid var(--color-border);max-width:800px;margin:0 auto}.breadcrumb{margin-bottom:2rem}.breadcrumb-link{display:inline-flex;align-items:center;color:var(--color-primary);text-decoration:none;font-size:.9375rem;font-weight:500;transition:color .15s}.breadcrumb-link:hover{color:var(--color-primary-hover)}.legal-section{margin-bottom:2rem}.legal-section h2{font-size:1.5rem;font-weight:700;color:var(--color-text);margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--color-border)}.legal-section h3{font-size:1.125rem;font-weight:600;color:var(--color-text);margin-top:1.25rem;margin-bottom:.75rem}.legal-section p{margin-bottom:1rem;line-height:1.7;color:var(--color-text)}.legal-section ol,.legal-section ul{margin-left:1.5rem;margin-bottom:1rem}.legal-section li{margin-bottom:.5rem;line-height:1.7;color:var(--color-text)}.legal-section strong{font-weight:600;color:var(--color-text)}.privacy-highlight{background:linear-gradient(135deg,#ecfdf5 0,#d1fae5 100%);border:2px solid #a7f3d0;border-radius:var(--radius-md);padding:1.5rem;margin-bottom:1rem}.privacy-highlight h2{color:#047857;font-size:1.375rem;margin-bottom:.75rem;border-bottom:none;padding-bottom:0}.privacy-highlight p{color:#065f46;margin-bottom:0}.contact-intro{text-align:center;font-size:1.125rem;color:var(--color-text-muted);margin-bottom:1rem}.contact-card{background:#f8fafc;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1.25rem;margin-bottom:1rem}.contact-card p{margin-bottom:.5rem}.contact-card p:last-child{margin-bottom:0}.contact-link{color:var(--color-primary);text-decoration:none;font-weight:500;font-size:1.125rem;transition:color .15s}.contact-link:hover{color:var(--color-primary-hover);text-decoration:underline}.faq-item{background:#f8fafc;border-left:4px solid var(--color-primary);border-radius:var(--radius-sm);padding:1.25rem;margin-bottom:1.25rem}.faq-item 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h3{font-size:1.125rem;margin-bottom:.75rem;color:var(--color-text)}.footer-link{color:var(--color-text-muted);text-decoration:none;transition:color .15s;font-weight:500}.footer-link:hover{color:var(--color-primary)}@media (max-width:640px){.container{padding:1.5rem 1rem}.header h1{font-size:1.5rem}.drop-zone{padding:2rem 1rem}.results-header{flex-direction:column;gap:1rem}.actions{flex-direction:column}.btn{width:100%}.legal-content{padding:1.5rem 1rem}.legal-section h2{font-size:1.25rem}.privacy-highlight h2{font-size:1.125rem}.faq-item{padding:1rem}}