:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto 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.accent{color:var(--primary);display:block}.hero-subtitle{font-size:1.15rem;color:var(--text-secondary);margin-bottom:2.5rem;line-height:1.7}.hero-cta{display:flex;gap:1rem;margin-bottom:2rem}.hero-badges{display:flex;gap:2rem;margin-top:2rem}.badge-item{display:flex;align-items:center;gap:.5rem;color:var(--text-secondary);font-size:.95rem}.badge-item svg{color:var(--primary)}.dashboard-preview{border-radius:20px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;width:100%;background:transparent}.dashboard-image{width:100%;height:auto;border-radius:20px;display:block}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.preview-header span{color:#fffc;font-size:.9rem;font-weight:500}.real-time-badge{background:var(--primary);color:var(--text-primary);padding:.5rem 1rem;border-radius:8px;font-size:.85rem;font-weight:600}.preview-content{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.metric-card{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:12px;padding:1.5rem;color:#fff}.metric-card.large{grid-column:1 / -1}.metric-label{font-size:.85rem;color:#ffffffb3;margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.05em}.metric-value{font-size:2.5rem;font-weight:700;color:#fff;margin-bottom:.25rem}.metric-trend{font-size:.9rem;color:var(--primary);display:flex;align-items:center;gap:.25rem}.chart-placeholder{height:120px;background:linear-gradient(135deg,#c5f82a33,#a8d9221a);border-radius:8px;margin-top:1rem;position:relative;overflow:hidden}.chart-line{position:absolute;bottom:0;left:0;right:0;height:80%;background:linear-gradient(to top,var(--primary),transparent);clip-path:polygon(0% 80%,10% 60%,20% 70%,30% 40%,40% 50%,50% 30%,60% 45%,70% 25%,80% 35%,90% 20%,100% 30%,100% 100%,0% 100%)}.pain-points{margin-bottom:4rem;text-align:center}.pain-points h3{font-size:2.5rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.section-subtitle{color:var(--text-secondary);font-size:1.1rem;margin-bottom:3rem}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:2rem}.feature-card{background:var(--bg-card);border-radius:20px;padding:2.5rem 2rem;text-align:center;transition:all .3s;box-shadow:var(--shadow-sm)}.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.feature-icon-circle{width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;transition:transform .3s}.feature-card:hover .feature-icon-circle{transform:scale(1.1)}.feature-icon-circle.red{background:var(--accent-pink);color:#dc2626}.feature-icon-circle.yellow{background:var(--accent-yellow);color:#d97706}.feature-icon-circle.blue{background:var(--accent-green);color:#059669}.feature-card h3{font-size:1.25rem;margin-bottom:.75rem;font-weight:600}.feature-card p{color:var(--text-secondary);line-height:1.6;font-size:.95rem}.solution-section{margin-bottom:6rem;text-align:center}.solution-section h3{font-size:2.5rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.solution-container{display:grid;grid-template-columns:1fr 1fr;gap:4rem;margin-top:3rem;align-items:center}.solution-visual{background:linear-gradient(135deg,#e0f7fa,#b2ebf2);border-radius:20px;padding:3rem 2rem;box-shadow:var(--shadow-md)}.data-flow{display:flex;align-items:center;justify-content:center;gap:1rem}.flow-step{display:flex;flex-direction:column;align-items:center;gap:.75rem}.step-icon{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #0000001a}.step-icon.upload{background:linear-gradient(135deg,#4fc3f7,#03a9f4);color:#fff}.step-icon.process{background:linear-gradient(135deg,#81c784,#66bb6a);color:#fff}.step-icon.analyze{background:linear-gradient(135deg,#ffb74d,#ffa726);color:#fff}.flow-arrow{font-size:2rem;color:var(--text-secondary);font-weight:300}.flow-step span{font-size:.9rem;font-weight:600;color:var(--text-primary)}.solution-features{display:flex;flex-direction:column;gap:2rem;text-align:left}.solution-item{display:flex;gap:1.5rem;align-items:flex-start}.solution-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.solution-icon.green{background:var(--accent-green);color:#059669}.solution-item h4{font-size:1.15rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.solution-item p{font-size:.95rem;color:var(--text-secondary);line-height:1.6}.app.dashboard{background:#f8f9fa;min-height:100vh}.dashboard-header{background:var(--bg-white);border-bottom:1px solid var(--border-color);box-shadow:0 2px 4px #00000014}.dashboard-logo{display:flex;align-items:center;gap:1rem}.logo-icon{width:48px;height:48px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #c5f82a4d;transition:transform .3s}.logo-icon:hover{transform:scale(1.05)}.logo-icon svg{color:var(--text-primary)}.header h1{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin:0}.subtitle{color:var(--text-secondary);font-size:.9rem;margin:0}.user-menu{display:flex;align-items:center;gap:1rem}.user-info{display:flex;align-items:center;gap:.75rem;padding:.5rem 1rem;background:var(--bg-primary);border-radius:12px;border:1px solid var(--border-color)}.user-avatar{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;color:var(--text-primary);box-shadow:0 2px 8px #c5f82a4d}.user-name{font-weight:500;color:var(--text-primary);font-size:.95rem}.logout-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#fff;border:1px solid #DC3545;border-radius:6px;color:#dc3545;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none;font-size:.9rem}.logout-btn:hover{background:#dc3545;border-color:#dc3545;color:#fff;box-shadow:0 2px 4px #dc354540}.logout-btn svg{transition:transform .2s}.logout-btn:hover svg{transform:translate(2px)}main.dashboard-content{max-width:1200px;margin:0 auto;padding:2.5rem 2%}.dashboard-nav{display:flex;gap:.5rem;margin-bottom:2rem;padding-bottom:1rem;border-bottom:2px solid var(--border-color)}.nav-btn{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:transparent;border:none;border-bottom:3px solid transparent;color:var(--text-secondary);font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s;position:relative;top:2px}.nav-btn:hover{color:var(--text-primary);background:#c5f82a0d}.nav-btn.active{color:var(--text-primary);border-bottom-color:var(--primary);font-weight:600}.nav-btn svg{color:currentColor}.dashboard-welcome{background:linear-gradient(135deg,#d4f4dd,#e8f8ec);border-radius:16px;padding:2rem;margin-bottom:2rem;display:flex;justify-content:space-between;align-items:center;gap:2rem;border:2px solid #A8E6CF;box-shadow:0 2px 8px #a8e6cf33}.welcome-text h2{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem}.welcome-text p{color:var(--text-secondary);font-size:1rem;line-height:1.6}.quick-stats{display:flex;gap:1.5rem}.stat-item{background:#fff;border-radius:12px;padding:1.5rem;display:flex;align-items:center;gap:1rem;min-width:160px;box-shadow:0 1px 3px #0000001f,0 1px 2px #00000014;border:1px solid #E9ECEF;transition:all .2s}.stat-item:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026,0 2px 4px #0000001a}.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-icon.blue{background:linear-gradient(135deg,#e0f7fa,#b2ebf2);color:#0288d1}.stat-icon.green{background:linear-gradient(135deg,#e8f5e9,#c8e6c9);color:#2e7d32}.stat-content{display:flex;flex-direction:column}.stat-value{font-size:2rem;font-weight:700;color:var(--text-primary);line-height:1}.stat-label{font-size:.85rem;color:var(--text-secondary);margin-top:.25rem}.card{background:var(--bg-white);border-radius:12px;padding:2rem;margin-bottom:1.5rem;box-shadow:0 1px 3px #0000001f,0 1px 2px #00000014;border:1px solid #DEE2E6;transition:all .3s}.card:hover{box-shadow:0 4px 12px #00000026,0 2px 4px #0000001a;transform:translateY(-2px)}.card.upload-card{border-left:4px solid #0D6EFD}.card.history-card{border-left:4px solid #6C757D;background:#f8f9fa}.card.powerbi-card{border-left:4px solid #FFC107;background:linear-gradient(135deg,#fff9e6,#fffdf5)}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem}.card-header-left{display:flex;gap:1rem;flex:1}.card-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#c5f82a26,#a8d9221a);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--primary-dark);transition:all .3s}.card-icon.gradient-blue{background:linear-gradient(135deg,#e0f7fa,#b2ebf2);color:#0288d1}.card:hover .card-icon{transform:scale(1.1)}.card h2{font-size:1.5rem;font-weight:700;margin-bottom:.5rem;color:var(--text-primary)}.description{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.description.secondary{color:var(--text-muted);font-size:.9rem}.drop-zone{border:2px dashed var(--border-color);border-radius:16px;padding:3rem 2rem;text-align:center;background:var(--bg-primary);transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;overflow:hidden}.drop-zone:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at center,rgba(197,248,42,.1),transparent 70%);opacity:0;transition:opacity .3s}.drop-zone:hover:before,.drop-zone.dragging:before{opacity:1}.drop-zone:hover,.drop-zone.dragging{border-color:var(--primary);background:#c5f82a0d;transform:scale(1.01);box-shadow:0 4px 16px #c5f82a26}.drop-label{cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:1rem}.upload-icon-wrapper{width:96px;height:96px;background:linear-gradient(135deg,#c5f82a26,#a8d9221a);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:.5rem;transition:all .3s;color:var(--primary-dark)}.drop-zone:hover .upload-icon-wrapper{transform:scale(1.1) translateY(-4px);background:linear-gradient(135deg,#c5f82a40,#a8d92226)}.drop-title{font-size:1.15rem;font-weight:600;color:var(--text-primary);margin:0}.file-types{display:flex;align-items:center;gap:.5rem;color:var(--text-secondary);font-size:.9rem;padding:.5rem 1rem;background:#00000008;border-radius:8px}.file-types svg{color:var(--primary-dark)}.files-list{display:flex;flex-direction:column;gap:.75rem}.file-preview{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;background:var(--bg-white);border:1px solid var(--border-color);border-radius:12px;transition:all .3s}.file-preview:hover{border-color:var(--primary);box-shadow:0 2px 8px #c5f82a26;transform:translate(4px)}.file-preview.success{background:#10b9810d;border-color:#059669}.file-preview.error{background:#ef44440d;border-color:#dc2626}.file-icon{width:40px;height:40px;background:linear-gradient(135deg,#c5f82a26,#a8d9221a);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--primary-dark)}.file-details{flex:1;min-width:0}.file-name{font-weight:600;color:var(--text-primary);margin:0 0 .25rem;font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{color:var(--text-secondary);font-size:.85rem;margin:0}.upload-status{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.upload-status.success{background:#10b98126;color:#059669}.upload-status.error{background:#ef444426;color:#dc2626}.remove-file{width:32px;height:32px;border-radius:8px;background:transparent;border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;flex-shrink:0}.remove-file:hover{background:#ef44441a;border-color:#dc2626;color:#dc2626;transform:scale(1.1)}.remove-file:disabled{opacity:.5;cursor:not-allowed}.add-more-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem;background:#f8f9fa;border:2px dashed #6C757D;border-radius:8px;color:#495057;font-weight:600;cursor:pointer;transition:all .2s}.add-more-btn:hover{border-color:#0d6efd;border-style:solid;background:#e7f1ff;color:#0d6efd}.upload-actions{display:flex;gap:1rem;margin-top:1.5rem}.upload-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:.75rem;padding:.875rem 2rem;background:linear-gradient(180deg,#0d6efd,#0b5ed7);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 2px 4px #0d6efd40;text-shadow:0 1px 2px rgba(0,0,0,.1)}.upload-btn:hover:not(:disabled){background:linear-gradient(180deg,#0b5ed7,#0a58ca);transform:translateY(-1px);box-shadow:0 4px 8px #0d6efd59}.upload-btn:active:not(:disabled){transform:translateY(0);box-shadow:0 1px 2px #0d6efd40}.upload-btn:disabled{background:#adb5bd;opacity:.65;cursor:not-allowed;transform:none;box-shadow:none}.clear-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1.5rem;background:#fff;border:1px solid #DC3545;border-radius:8px;color:#dc3545;font-weight:600;cursor:pointer;transition:all .2s}.clear-btn:hover{background:#dc3545;border-color:#dc3545;color:#fff;box-shadow:0 2px 4px #dc354540}.clear-btn:active{transform:translateY(0);box-shadow:0 1px 2px #dc354540}.message{display:flex;align-items:flex-start;gap:.75rem;padding:1rem 1.25rem;border-radius:12px;margin-top:1.5rem;font-size:.95rem;line-height:1.5}.message-icon{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.message p{margin:0;flex:1}.message.success{background:#d1e7dd;border:1px solid #BADBCC;color:#0f5132}.message.warning{background:#fff3cd;border:1px solid #FFECB5;color:#664d03}.message.error{background:#f8d7da;border:1px solid #F5C2C7;color:#842029}.table-wrapper{overflow-x:auto;border-radius:12px;border:1px solid var(--border-color)}.history-table{width:100%;border-collapse:collapse}.history-table th{text-align:left;padding:1rem 1.25rem;background:var(--bg-primary);font-weight:600;color:var(--text-primary);font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid var(--border-color)}.history-table td{padding:1rem 1.25rem;border-bottom:1px solid var(--border-color);color:var(--text-primary)}.history-table tbody tr{transition:background .2s}.history-table tbody tr:hover{background:#c5f82a08}.history-table tbody tr:last-child td{border-bottom:none}.filename-cell{display:flex;align-items:center;gap:.75rem;font-weight:500}.filename-cell svg{color:var(--primary-dark);flex-shrink:0}.timestamp{color:var(--text-secondary);font-size:.9rem}.numeric{font-variant-numeric:tabular-nums;font-family:SF Mono,Monaco,Consolas,monospace;font-size:.9rem}.status-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .85rem;border-radius:8px;font-size:.85rem;font-weight:600;transition:all .2s}.status-badge.completed{background:#d1e7dd;color:#0f5132;border:1px solid #BADBCC}.status-badge.failed{background:#f8d7da;color:#842029;border:1px solid #F5C2C7}.status-badge.processing{background:#fff3cd;color:#664d03;border:1px solid #FFECB5}.empty-state{text-align:center;padding:3rem 2rem}.empty-icon{width:96px;height:96px;margin:0 auto 1.5rem;background:linear-gradient(135deg,#c5f82a1a,#a8d9220d);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-muted)}.empty-title{font-size:1.15rem;font-weight:600;color:var(--text-primary);margin:0 0 .5rem}.empty-description{color:var(--text-secondary);font-size:.95rem;margin:0}.refresh-btn{width:40px;height:40px;border-radius:6px;background:#fff;border:1px solid #6C757D;color:#6c757d;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.refresh-btn:hover{background:#6c757d;border-color:#6c757d;color:#fff;transform:rotate(90deg);box-shadow:0 2px 4px 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solid;text-align:center}.breakdown-item.positive{border-left-color:#3fb950}.breakdown-item.negative{border-left-color:#f85149}.breakdown-item.total{border-left-color:#58a6ff;background:linear-gradient(135deg,#0d1117,#1c2128)}.breakdown-label{font-size:.85rem;color:#7d8590;margin-bottom:.5rem}.breakdown-value{font-size:1.5rem;font-weight:700;color:#e6edf3}.breakdown-margin{margin-top:.5rem;font-size:.9rem;color:#58a6ff;font-weight:600}.operations-tab{display:flex;flex-direction:column;gap:2rem}.status-breakdown{display:flex;flex-direction:column;gap:1rem;padding:1rem 0}.status-item{display:flex;align-items:center;gap:1rem}.status-label{min-width:120px;display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:#e6edf3;font-weight:500}.status-dot{width:12px;height:12px;border-radius:50%}.status-dot.delivered{background:#3fb950}.status-dot.shipped{background:#58a6ff}.status-dot.pending{background:#d29922}.status-dot.refunded{background:#f85149}.status-dot.cancelled{background:#7d8590}.status-bar-wrapper{flex:1;height:24px;background:#161b22;border-radius:12px;overflow:hidden}.status-bar{height:100%;background:linear-gradient(90deg,#58a6ff,#1f6feb)}.status-count{min-width:100px;text-align:right;font-size:.9rem;color:#7d8590}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.metric-card{padding:1.5rem;background:linear-gradient(135deg,#0d1117,#1c2128);border:1px solid #30363d;border-radius:12px;text-align:center}.metric-label{font-size:.85rem;color:#7d8590;margin-bottom:.75rem}.metric-value{font-size:2rem;font-weight:700;color:#58a6ff}.geo-table-wrapper{overflow-x:auto}.geo-table{width:100%;border-collapse:collapse}.geo-table thead{background:#161b22;border-bottom:2px solid #30363d}.geo-table th{padding:.75rem 1rem;text-align:left;font-size:.85rem;font-weight:600;color:#7d8590;text-transform:uppercase}.geo-table tbody tr{border-bottom:1px solid #30363d;transition:background .2s}.geo-table tbody tr:hover{background:#161b22}.geo-table td{padding:1rem;color:#e6edf3}.country-name{display:flex;align-items:center;gap:.5rem;font-weight:500}.country-flag{display:inline-block;width:24px;height:16px;background:#30363d;border-radius:2px;text-align:center;font-size:.7rem;line-height:16px;color:#7d8590}@media(max-width:768px){.kpi-grid{grid-template-columns:1fr}.waterfall-chart{flex-direction:column;align-items:stretch}.waterfall-item{flex-direction:row;justify-content:space-between}.waterfall-bar{width:60%;height:40px;border-radius:0 4px 4px 0}.breakdown-grid{grid-template-columns:1fr}.platforms-table,.geo-table{font-size:.85rem}}