:root{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.5;font-weight:400;color:#213547;background-color:#f8f9fa;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{min-width:320px;min-height:100vh}#root{width:100%;max-width:100%;margin:0;padding:0;text-align:left}h1{font-size:2em;line-height:1.1;margin-bottom:1rem}h2{font-size:1.5em;margin-bottom:.75rem}h3{font-size:1.2em;margin-bottom:.5rem}button{border-radius:4px;border:1px solid transparent;padding:.5rem 1rem;font-size:1rem;font-weight:500;font-family:inherit;background-color:#3498db;color:#fff;cursor:pointer;transition:all .2s ease}button:hover{background-color:#2980b9}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.app-container{display:flex;flex-direction:column;min-height:100vh;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}header{background-color:#2c3e50;color:#fff;padding:1rem 2rem;box-shadow:0 2px 4px #0000001a}main{flex:1;padding:2rem;background-color:#f8f9fa}footer{background-color:#2c3e50;color:#fff;text-align:center;padding:1rem;font-size:.9rem}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}.date-range-picker{display:flex;flex-direction:column;gap:.5rem}.date-inputs{display:flex;align-items:center;gap:.75rem}.date-input-group{display:flex;align-items:center;gap:.5rem}.date-input-group label{font-size:.9rem;color:#495057}.date-input-group input{padding:.5rem;border:1px solid #ced4da;border-radius:4px;font-size:.9rem}.date-separator{font-weight:700;color:#6c757d}.date-range-info{font-size:.8rem;color:#6c757d;margin:0}.total-sales h2{margin-bottom:1.5rem;color:#2c3e50;border-bottom:2px solid #eaeaea;padding-bottom:.5rem}.summary-section,.chart-section{margin-bottom:2rem}.summary-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}@media (max-width: 768px){.summary-cards-grid{grid-template-columns:1fr}}.summary-card{background-color:#f8f9fa;border-radius:8px;padding:1.5rem;box-shadow:0 2px 4px #0000000d;border-left:4px solid #3498db;text-align:center}.summary-card h4{margin:0;color:#6c757d;font-weight:500;font-size:.9rem}.summary-value{margin:.5rem 0 0;font-size:1.75rem;font-weight:700;color:#2c3e50}.chart-section{display:grid;grid-template-columns:1fr;gap:2rem}.chart-container h3{margin-top:0;margin-bottom:1.5rem;color:#495057;font-size:1.2rem}.product-sales h2{margin-bottom:1.5rem;color:#2c3e50;border-bottom:2px solid #eaeaea;padding-bottom:.5rem}.product-overview h3,.category-detail h3,.level3-detail h3{margin-bottom:1.5rem;color:#2c3e50}.chart-container h6{margin-top:0;margin-bottom:1rem;color:#495057;font-size:1rem;font-weight:600}.monthly-chart{grid-column:1 / -1}.chart-wrapper{display:flex;justify-content:center}.individual-product-trends{margin-bottom:2rem;padding:1.5rem;background-color:#fff;border-radius:8px;box-shadow:0 2px 8px #0000000d}.individual-product-trends h5{margin-top:0;margin-bottom:1.5rem;color:#2c3e50;font-size:1.3rem;font-weight:600;text-align:center;border-bottom:2px solid #e9ecef;padding-bottom:.8rem}.sunburst-chart{height:400px}.data-table tr:hover{background-color:#f5f9ff}.sunburst-section h4{margin-bottom:1.5rem;color:#495057;text-align:center;font-size:1.3rem;font-weight:600}.sunburst-section .chart-section{background-color:#f8f9fa;padding:1rem;border-radius:8px}.sunburst-section .chart-container{position:relative;background-color:#fff;border:1px solid #e9ecef}.sunburst-section .chart-container h5{text-align:center;background-color:#f8f9fa;margin:-1.5rem -1.5rem 1.5rem;padding:1rem;border-bottom:1px solid #e9ecef;font-weight:600}.sunburst-legend{margin-top:1rem;padding:1rem;background-color:#f8f9fa;border-radius:4px;font-size:.9rem}.sunburst-legend h6{margin:0 0 .5rem;font-weight:600;color:#495057}.legend-item{display:flex;align-items:center;margin-bottom:.25rem}.legend-color{width:12px;height:12px;border-radius:2px;margin-right:.5rem;border:1px solid #dee2e6}.product-overview{margin-bottom:2rem}.category-selection{margin-bottom:2rem;padding:1rem;background-color:#f8f9fa;border-radius:8px}.category-selection label{display:block;margin-bottom:.5rem;font-weight:600;color:#495057}.category-dropdown,.level3-dropdown{padding:.5rem;border:1px solid #ced4da;border-radius:4px;font-size:1rem;min-width:200px}.sunburst-section{margin-bottom:2rem}.sunburst-section h4{margin-bottom:1rem;color:#495057}.level3-selection{margin-bottom:2rem;padding:1rem;background-color:#f8f9fa;border-radius:8px}.level3-selection label{display:block;margin-bottom:.5rem;font-weight:600;color:#495057}.chart-container{background-color:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px #0000000d}.chart-container h4,.chart-container h5{margin-top:0;margin-bottom:1.5rem;color:#495057;font-size:1.2rem}.chart-wrapper{position:relative;width:100%;height:400px}.trend-charts{display:grid;grid-template-columns:1fr;gap:2rem;margin-bottom:2rem}@media (min-width: 992px){.trend-charts{grid-template-columns:1fr 1fr}}.table-container{background-color:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px #0000000d;overflow-x:auto}.table-container h4,.table-container h5{margin-top:0;margin-bottom:1rem;color:#495057}.data-table{width:100%;border-collapse:collapse;margin-top:1rem}.view-button{padding:.25rem .75rem;background-color:#3498db;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.875rem;transition:background-color .2s}.category-detail,.detail-header{margin-bottom:2rem}.detail-header h3{display:flex;align-items:center;gap:.5rem;margin:0;color:#2c3e50}.back-button{padding:.5rem 1rem;background-color:#6c757d;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:background-color .2s}.level3-products{margin-top:2rem;padding-top:2rem;border-top:2px solid #eaeaea}.level3-products h4{color:#495057;margin-bottom:1.5rem}.no-data{text-align:center;padding:3rem;color:#6c757d;font-size:1.1rem}@media (max-width: 768px){.chart-section,.trend-charts{grid-template-columns:1fr}.table-container{padding:1rem}.data-table th,.data-table td{padding:.5rem;font-size:.875rem}.category-dropdown,.level3-dropdown{width:100%}}.sunburst-container{position:relative}.sunburst-legend{margin-top:20px}.legend-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}.legend-item{display:flex;align-items:center;font-size:.8rem}.legend-color{width:12px;height:12px;margin-right:6px;border-radius:2px}.legend-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.recharts-pie-label-text{font-weight:700;fill:#333;text-shadow:0px 0px 2px rgba(255,255,255,.9)}.level1-label,.level2-label{font-size:9px;font-weight:700;fill:#fff!important;text-shadow:0px 0px 3px rgba(0,0,0,.9),0px 0px 5px rgba(0,0,0,.7)}.level3-label{font-size:7px;font-weight:500;fill:inherit;text-shadow:0px 0px 2px rgba(255,255,255,.8)}.distribution-chart-label{text-shadow:0px 0px 3px rgba(255,255,255,.9),0px 0px 2px rgba(255,255,255,.8)}.product-sales .recharts-pie-label-text{font-size:12px;font-weight:600;fill:#333;text-shadow:0px 0px 3px rgba(255,255,255,.9),0px 0px 2px rgba(255,255,255,.8)}.color-palette-pastel .recharts-pie-sector path{stroke:#fff;stroke-width:1px}.color-palette-cool .recharts-pie-sector path{stroke:#fff;stroke-width:1px}.color-palette-warm .recharts-pie-sector path{stroke:#fff;stroke-width:1px}.color-palette-contrast .recharts-pie-sector path{stroke:#fff;stroke-width:1px}.color-palette-elegant .recharts-pie-sector path{stroke:#fff;stroke-width:1px}.top-products-summary{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.top-products-section h5{margin-top:0;margin-bottom:.75rem;color:#495057;font-size:1rem;border-bottom:1px solid #e9ecef;padding-bottom:.5rem}.chart-section-full{margin-bottom:2rem}.pie-chart-container{max-width:800px;margin:0 auto;position:relative;height:550px}.top-products-grid{background-color:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px #0000000d;margin-bottom:2rem}.top-products-grid h4{margin-top:0;margin-bottom:1rem;color:#495057}.full-category-table{margin-top:2rem;padding:1.5rem;background-color:#fff;border-radius:8px;box-shadow:0 2px 8px #0000000d}.full-category-table h4{margin-top:0;margin-bottom:1rem;color:#495057}.top5-trend-section{margin-top:2rem;margin-bottom:2rem}.top5-trend-section h4{margin-bottom:1.5rem;color:#495057;font-size:1.2rem;font-weight:600}.top5-trend-section h4.mt-4{margin-top:2.5rem}.top5-trend-section h5{margin-top:0;margin-bottom:1rem;color:#495057;font-size:1rem;border-bottom:1px solid #e9ecef;padding-bottom:.5rem}.top5-trend-section .chart-container{margin-bottom:2rem;background-color:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px #0000000d}.top5-trend-charts{display:grid;grid-template-columns:1fr 1fr;gap:2rem}@media (max-width: 768px){.top-products-summary,.top5-trend-charts{grid-template-columns:1fr}}.fixed-category-selector{margin:0 0 1.5rem;padding:1rem;background-color:#f8f9fa;border-radius:8px;box-shadow:0 2px 8px #0000000d;position:relative;z-index:100;border-bottom:1px solid #e9ecef}.fixed-category-selector .category-selection{margin:0;padding:0;background-color:transparent;display:flex;align-items:center;justify-content:center;gap:1rem}.fixed-category-selector label{margin-bottom:0;white-space:nowrap}.fixed-category-selector .category-dropdown{min-width:250px;flex-grow:1;max-width:500px}.custom-tooltip{background-color:#ffffffe6;border:1px solid #ccc;border-radius:4px;padding:8px;box-shadow:0 2px 4px #0003}.tooltip-label{margin:0;font-weight:700;font-size:14px;color:#333}.tooltip-value{margin:4px 0;font-size:13px;color:#666}.tooltip-percent{margin:0;font-size:15px;font-weight:700;color:#0088fe}.detail-layout{display:flex;flex-direction:column;gap:2rem;margin-bottom:2rem}@media (min-width: 992px){.detail-layout{flex-direction:column}}.custom-legend{margin-top:20px;padding:10px;background-color:#ffffffe6;border-radius:8px;box-shadow:0 2px 8px #0000000d;text-align:center;position:absolute;bottom:10px;left:0;right:0}.custom-legend h5{margin:0 0 8px;font-size:.9rem;color:#495057}.legend-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;justify-content:center;gap:15px}.legend-item{display:flex;align-items:center;font-size:.85rem;color:#495057;padding:3px 5px;border-radius:4px;cursor:pointer;transition:background-color .2s}.legend-item:hover{background-color:#f5f9ff}.legend-color{display:inline-block;width:12px;height:12px;border-radius:2px;margin-right:5px}.legend-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}.detail-layout .chart-container{position:relative;height:550px}.stats-card{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap}.stats-item{display:flex;flex-direction:column;align-items:center;padding:1rem;background-color:#fff;border-radius:6px;box-shadow:0 2px 4px #0000000d;min-width:150px}.stats-label{font-size:.9rem;color:#6c757d;margin-bottom:.5rem;font-weight:500}.stats-value{font-size:1.2rem;font-weight:700;color:#2c3e50}@media (max-width: 768px){.stats-card{gap:1rem}.stats-item{min-width:120px;padding:.8rem}.stats-value{font-size:1.1rem}}html{scroll-behavior:smooth}.shop-sales h2{margin-bottom:1.5rem;color:#2c3e50;border-bottom:2px solid #eaeaea;padding-bottom:.5rem}.shop-selection{margin-bottom:2rem;padding:1rem;background-color:#f8f9fa;border-radius:8px;display:flex;align-items:center;justify-content:center}.shop-selection label{margin-bottom:0;margin-right:1rem;font-weight:600;color:#495057}.shop-dropdown{padding:.5rem;border:1px solid #ced4da;border-radius:4px;font-size:1rem;min-width:200px}.shop-overview h3,.shop-detail h3{margin-bottom:1.5rem;color:#2c3e50}.chart-section{display:grid;grid-template-columns:1fr;gap:2rem;margin-bottom:2rem}.chart-section-vertical{display:flex;flex-direction:column;gap:2rem;margin-bottom:2rem}@media (min-width: 992px){.chart-section{grid-template-columns:1fr 1fr}}.chart-container{background-color:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px #0000000d;position:relative}.chart-container h4{margin-top:0;margin-bottom:1rem;color:#495057}.center-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;pointer-events:none;z-index:10}.center-text .category-name{font-size:1rem;font-weight:600;color:#333;margin:0}.center-text .category-value{font-size:.9rem;color:#666;margin:.3rem 0 0}.table-container{overflow-x:auto}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:.75rem 1rem;text-align:right;border-bottom:1px solid #eaeaea}.data-table th:first-child,.data-table td:first-child{text-align:left}.data-table th{background-color:#f5f7fa;color:#495057;font-weight:600}.data-table tr.selected{background-color:#e3f2fd}.data-table tr{cursor:pointer;transition:background-color .2s}.data-table tr:hover{background-color:#f5f7fa}.view-button{padding:.3rem .6rem;font-size:.8rem;background-color:#3498db;color:#fff;border:none;border-radius:4px;cursor:pointer}.view-button:hover{background-color:#2980b9}.detail-header{display:flex;align-items:center;margin-bottom:1.5rem}.back-button{padding:.5rem 1.5rem;background-color:#6c757d;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:background-color .2s;min-width:100px;text-align:center;display:flex;align-items:center;justify-content:center;gap:.5rem;margin-right:1rem}.back-button:hover{background-color:#5a6268}.no-data{padding:2rem;text-align:center;color:#6c757d;font-style:italic}.level3-detail{margin-top:1.5rem;padding:2rem 1.5rem 1.5rem;background-color:#f8fafc;border-radius:8px;border-left:4px solid #3498db;scroll-margin-top:20px}.level3-detail h4{color:#2c3e50;margin-top:0;margin-bottom:1.5rem;font-weight:600}.level3-detail h5{color:#495057;margin-top:0;margin-bottom:1rem}.level3-detail .chart-section{display:flex;flex-direction:column;gap:2rem}@media (min-width: 992px){.level3-detail .chart-section{flex-direction:column}}.dashboard{width:100%;max-width:1600px;margin:0 auto;background-color:#fff;border-radius:8px;box-shadow:0 2px 10px #0000001a;overflow:hidden}.dashboard-controls{display:flex;flex-wrap:wrap;gap:1rem;padding:1.5rem;background-color:#f5f7fa;border-bottom:1px solid #e1e4e8;align-items:center}.loading-message,.error-message{padding:1rem;border-radius:4px;width:100%;text-align:center;font-weight:500}.loading-message{background-color:#e3f2fd;color:#0277bd}.error-message{background-color:#ffebee;color:#c62828}.file-info{display:flex;align-items:center;padding:.5rem 1rem;background-color:#e8f5e9;border-radius:4px;margin-right:auto}.filename{font-weight:600;color:#2e7d32;margin-right:.5rem}.data-count{color:#546e7a;font-size:.9rem}.dashboard-tabs{display:flex;background-color:#fff;border-bottom:1px solid #e1e4e8}.dashboard-tabs button{flex:1;padding:1rem;background:transparent;border:none;border-bottom:2px solid transparent;font-weight:600;color:#5a6474;cursor:pointer;transition:all .2s ease}.dashboard-tabs button:hover{background-color:#f5f7fa;color:#2c3e50}.dashboard-tabs button.active{color:#3498db;border-bottom:2px solid #3498db}.dashboard-tabs button:disabled{color:#b0bec5;cursor:not-allowed}.dashboard-content{padding:2rem}