:root{--primary: #1e40af;--primary-light: #3b82f6;--primary-dark: #1e3a8a;--success: #16a34a;--warning: #d97706;--danger: #dc2626;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-500: #6b7280;--gray-700: #374151;--gray-900: #111827;--radius: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--gray-50);color:var(--gray-900);line-height:1.6}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--primary-dark);color:#fff;padding:24px 0;display:flex;flex-direction:column}.sidebar-logo{padding:0 24px 24px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:16px}.sidebar-logo h1{font-size:18px;font-weight:700;letter-spacing:-.02em}.sidebar-logo span{font-size:12px;opacity:.7;display:block;margin-top:2px}.sidebar nav{flex:1}.nav-link{display:flex;align-items:center;gap:12px;padding:12px 24px;color:#ffffffb3;text-decoration:none;font-size:14px;font-weight:500;transition:all .15s;border-left:3px solid transparent}.nav-link:hover{background:#ffffff0d;color:#fff}.nav-link.active{background:#ffffff1a;color:#fff;border-left-color:var(--primary-light)}.main-content{flex:1;padding:32px;overflow-y:auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h2{font-size:24px;font-weight:700;color:var(--gray-900)}.card{background:#fff;border-radius:var(--radius);border:1px solid var(--gray-200);padding:24px;margin-bottom:20px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-header h3{font-size:16px;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:#fff;border-radius:var(--radius);border:1px solid var(--gray-200);padding:20px}.stat-card .label{font-size:13px;color:var(--gray-500);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.stat-card .value{font-size:28px;font-weight:700;margin-top:4px}.stat-card .sub{font-size:13px;color:var(--gray-500);margin-top:4px}.stat-card.success .value{color:var(--success)}.stat-card.warning .value{color:var(--warning)}.stat-card.danger .value{color:var(--danger)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:#fff;color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:#fef2f2}.btn-outline{background:#fff;color:var(--gray-700);border-color:var(--gray-300)}.btn-outline:hover{background:var(--gray-50)}.btn-sm{padding:6px 12px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:12px 16px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--gray-500);border-bottom:2px solid var(--gray-200)}td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--gray-100)}tr:hover td{background:var(--gray-50)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--gray-700);margin-bottom:4px}.form-input{width:100%;padding:10px 12px;border:1px solid var(--gray-300);border-radius:6px;font-size:14px;transition:border-color .15s}.form-input:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px #3b82f61a}select.form-input{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.progress-bar{height:8px;background:var(--gray-100);border-radius:4px;overflow:hidden;margin-top:8px}.progress-bar .fill{height:100%;border-radius:4px;transition:width .3s ease}.progress-bar .fill.green{background:var(--success)}.progress-bar .fill.yellow{background:var(--warning)}.progress-bar .fill.red{background:var(--danger)}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:9999px;font-size:12px;font-weight:500}.badge-success{background:#dcfce7;color:var(--success)}.badge-warning{background:#fef3c7;color:var(--warning)}.badge-danger{background:#fef2f2;color:var(--danger)}.badge-gray{background:var(--gray-100);color:var(--gray-500)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:12px;padding:32px;width:100%;max-width:500px;box-shadow:0 20px 60px #00000026}.modal h3{font-size:18px;font-weight:600;margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}.alert{padding:12px 16px;border-radius:6px;font-size:14px;margin-bottom:16px}.alert-info{background:#eff6ff;color:var(--primary);border:1px solid #bfdbfe}.alert-success{background:#f0fdf4;color:var(--success);border:1px solid #bbf7d0}.alert-error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.qbo-connect{display:flex;align-items:center;gap:16px;padding:20px;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:var(--radius)}.qbo-connect.disconnected{background:var(--gray-50);border-color:var(--gray-200)}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-state{display:flex;align-items:center;justify-content:center;gap:12px;padding:48px;color:var(--gray-500)}.text-right{text-align:right}.text-center{text-align:center}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-2{gap:8px}.gap-4{gap:16px}