*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--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}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background-color:var(--gray-50);color:var(--gray-900);line-height:1.5}.app{display:flex;min-height:100vh}.sidebar{width:250px;background:var(--gray-800);color:#fff;padding:1rem;flex-shrink:0;position:fixed;top:0;left:0;height:100vh;overflow-y:auto;z-index:50}.sidebar h1{font-size:1.25rem;padding:1rem;border-bottom:1px solid var(--gray-600);margin-bottom:1rem}.sidebar nav{display:flex;flex-direction:column;gap:.25rem}.sidebar a{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;color:var(--gray-300);text-decoration:none;border-radius:.5rem;transition:all .15s}.sidebar a:hover,.sidebar a.active{background:var(--gray-700);color:#fff}.main-content{flex:1;padding:2rem;overflow-y:auto;margin-left:250px}.page-header{margin-bottom:2rem}.page-header h2{font-size:1.75rem;font-weight:600;color:var(--gray-900)}.page-header p{color:var(--gray-500);margin-top:.25rem}.card{background:#fff;border-radius:.75rem;box-shadow:0 1px 3px #0000001a;padding:1.5rem;margin-bottom:1.5rem}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--gray-200)}.card-title{font-size:1.125rem;font-weight:600}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:.5rem;font-weight:500;cursor:pointer;border:none;transition:all .15s;font-size:.875rem}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--gray-100);color:var(--gray-700);border:1px solid var(--gray-300)}.btn-secondary:hover{background:var(--gray-200)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:.375rem .75rem;font-size:.8125rem}.form-group{margin-bottom:1rem}.form-label{display:block;font-weight:500;margin-bottom:.375rem;color:var(--gray-700);font-size:.875rem}.form-input,.form-select,.form-textarea{width:100%;padding:.625rem .875rem;border:1px solid var(--gray-300);border-radius:.5rem;font-size:.9375rem;transition:border-color .15s,box-shadow .15s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-checkbox{display:flex;align-items:center;gap:.5rem;cursor:pointer}.form-checkbox input{width:1rem;height:1rem}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:.75rem;text-align:left;border-bottom:1px solid var(--gray-200)}th{font-weight:600;color:var(--gray-600);font-size:.8125rem;text-transform:uppercase;letter-spacing:.05em;background:var(--gray-50)}tr:hover{background:var(--gray-50)}.badge{display:inline-flex;align-items:center;padding:.25rem .625rem;border-radius:9999px;font-size:.75rem;font-weight:500}.badge-success{background:#d1fae5;color:#065f46}.badge-warning{background:#fef3c7;color:#92400e}.badge-danger{background:#fee2e2;color:#991b1b}.badge-info{background:#dbeafe;color:#1e40af}.badge-gray{background:var(--gray-100);color:var(--gray-600)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:#fff;padding:1.25rem;border-radius:.75rem;box-shadow:0 1px 3px #0000001a}.stat-label{font-size:.8125rem;color:var(--gray-500);margin-bottom:.25rem}.stat-value{font-size:1.75rem;font-weight:600;color:var(--gray-900)}.stat-change{font-size:.8125rem;margin-top:.25rem}.stat-change.positive{color:var(--success)}.stat-change.negative{color:var(--danger)}.dropzone{border:2px dashed var(--gray-300);border-radius:.75rem;padding:3rem;text-align:center;cursor:pointer;transition:all .15s}.dropzone:hover,.dropzone.active{border-color:var(--primary);background:#2563eb0d}.dropzone-icon{color:var(--gray-400);margin-bottom:1rem}.tabs{display:flex;gap:.25rem;border-bottom:1px solid var(--gray-200);margin-bottom:1.5rem}.tab{padding:.75rem 1.25rem;cursor:pointer;border:none;background:none;font-weight:500;color:var(--gray-500);border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .15s}.tab:hover{color:var(--gray-700)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:.75rem;width:90%;max-width:700px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:1px solid var(--gray-200)}.modal-title{font-size:1.125rem;font-weight:600}.modal-close{background:none;border:none;cursor:pointer;color:var(--gray-400);padding:.25rem}.modal-close:hover{color:var(--gray-600)}.modal-body{padding:1.5rem}.modal-footer{display:flex;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;border-top:1px solid var(--gray-200)}.empty-state{text-align:center;padding:3rem;color:var(--gray-500)}.empty-state-icon{color:var(--gray-300);margin-bottom:1rem}.diff-add{background:#d1fae5}.diff-remove{background:#fee2e2}.json-view{background:var(--gray-50);padding:1rem;border-radius:.5rem;font-family:monospace;font-size:.8125rem;overflow-x:auto;white-space:pre-wrap}.loading{display:flex;align-items:center;justify-content:center;padding:3rem}.spinner{width:2rem;height:2rem;border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-4{gap:1rem}.text-sm{font-size:.875rem}.text-gray-500{color:var(--gray-500)}.mt-4{margin-top:1rem}.mb-4{margin-bottom:1rem}