:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #dbeafe;--success: #059669;--success-light: #d1fae5;--warning: #d97706;--warning-light: #fef3c7;--danger: #dc2626;--danger-light: #fee2e2;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1), 0 4px 6px rgba(0, 0, 0, .05)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--gray-800);background:var(--gray-50);line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:all .15s ease}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-secondary{background:#fff;color:var(--gray-700);border:1px solid var(--gray-300)}.btn-secondary:hover:not(:disabled){background:var(--gray-50)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-lg{padding:14px 28px;font-size:16px}.btn-block{width:100%}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;font-weight:500;color:var(--gray-700);margin-bottom:6px}.form-input{width:100%;padding:10px 14px;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:14px;transition:border-color .15s}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;border:1px solid var(--gray-200)}.page-header{margin-bottom:32px}.page-header h1{font-size:28px;font-weight:700;color:var(--gray-900)}.page-header p{color:var(--gray-500);margin-top:4px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}@media(max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.stat-card{text-align:center}.stat-card .stat-value{font-size:32px;font-weight:700;color:var(--gray-900)}.stat-card .stat-label{font-size:13px;color:var(--gray-500);margin-top:4px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--gray-200)}th{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--gray-500);font-weight:600}td{font-size:14px}tr:hover{background:var(--gray-50)}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge-success{background:var(--success-light);color:var(--success)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-danger{background:var(--danger-light);color:var(--danger)}.badge-default{background:var(--gray-100);color:var(--gray-600)}.badge-primary{background:var(--primary-light);color:var(--primary)}.navbar{background:#fff;border-bottom:1px solid var(--gray-200);padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}.navbar-brand{font-size:20px;font-weight:700;color:var(--primary)}.view-switcher{display:flex;background:var(--gray-100);border-radius:8px;padding:3px}.view-switcher-btn{padding:6px 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0}.checkout-merchant{text-align:center;color:var(--gray-500);font-size:14px;margin-bottom:24px}.checkout-divider{display:flex;align-items:center;gap:16px;color:var(--gray-400);font-size:13px;margin:20px 0}.checkout-divider:before,.checkout-divider:after{content:"";flex:1;height:1px;background:var(--gray-200)}.bank-list{display:flex;flex-direction:column;gap:8px;margin:16px 0}.bank-item{display:flex;align-items:center;gap:12px;padding:14px 16px;border:2px solid var(--gray-200);border-radius:var(--radius);cursor:pointer;transition:all .15s}.bank-item:hover{border-color:var(--primary-light);background:var(--gray-50)}.bank-item.selected{border-color:var(--primary);background:var(--primary-light)}.bank-item img{width:32px;height:32px;border-radius:6px;object-fit:contain}.bank-item span{font-weight:500;font-size:15px}.savings-banner{background:var(--success-light);border:1px solid var(--success);border-radius:var(--radius);padding:16px;text-align:center;margin:24px 0}.savings-banner 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a.active{background:var(--primary-light);color:var(--primary)}.main-content{flex:1;padding:32px}.text-center{text-align:center}.text-muted{color:var(--gray-500)}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:16px}.gap-1{gap:8px}.error-message{background:var(--danger-light);color:var(--danger);padding:12px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:16px}.loading{text-align:center;padding:40px;color:var(--gray-400)}.copy-btn{background:none;border:1px solid var(--gray-300);border-radius:4px;padding:4px 10px;font-size:12px;cursor:pointer;color:var(--gray-600)}.copy-btn:hover{background:var(--gray-50)}.mono{font-family:SF Mono,Fira Code,monospace;font-size:13px}.landing{min-height:100vh;background:#fff}.landing-nav{border-bottom:1px solid var(--gray-100);padding:16px 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