:root{--primary-color: #6366f1;--primary-light: #818cf8;--primary-dark: #4f46e5;--secondary-color: #10b981;--secondary-light: #34d399;--accent-color: #f59e0b;--background-light: #f8fafc;--background-card: #ffffff;--text-dark: #1e293b;--text-medium: #475569;--text-light: #94a3b8;--border-color: #e2e8f0;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .12), 0 1px 2px rgba(0, 0, 0, .24);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--border-radius: .75rem;--border-radius-sm: .375rem;--transition: all .2s ease-in-out}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;color:var(--text-dark);background-color:var(--background-light)}.dashboard{max-width:1800px;margin:0 auto;padding:2rem}.dashboard-header{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem;background-color:var(--background-card);padding:2rem;border-radius:var(--border-radius);box-shadow:var(--shadow-md)}.dashboard-header h1{font-size:2rem;font-weight:700;color:var(--primary-color);margin-bottom:.5rem}.dashboard-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem}.summary-card{background:linear-gradient(135deg,var(--primary-light),var(--primary-dark));color:#fff;padding:1.5rem;border-radius:var(--border-radius-sm);text-align:center;box-shadow:var(--shadow-sm);transition:var(--transition)}.summary-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}.summary-card:nth-child(2){background:linear-gradient(135deg,var(--secondary-light),var(--secondary-color))}.summary-card:nth-child(3){background:linear-gradient(135deg,#f97316,#ea580c)}.summary-card:nth-child(4){background:linear-gradient(135deg,#8b5cf6,#7c3aed)}.summary-value{font-size:2.5rem;font-weight:700;line-height:1.2;margin-bottom:.5rem}.summary-label{font-size:.875rem;opacity:.9}.time-range-controls{display:flex;gap:1rem;margin-bottom:1.5rem;justify-content:center}.time-range-button{padding:.625rem 1.25rem;border:1px solid var(--border-color);border-radius:var(--border-radius-sm);background-color:var(--background-card);color:var(--text-medium);font-weight:500;cursor:pointer;transition:var(--transition)}.time-range-button:hover{background-color:var(--background-light);border-color:var(--primary-light)}.time-range-button.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem;background-color:var(--background-card);padding:1.5rem;border-radius:var(--border-radius);box-shadow:var(--shadow-md)}.filter-group{display:flex;flex-direction:column}.filter-group label{margin-bottom:.5rem;font-size:.875rem;color:var(--text-medium);font-weight:500}.filter-group input,.filter-group select{padding:.75rem;border:1px solid var(--border-color);border-radius:var(--border-radius-sm);font-size:.875rem;color:var(--text-dark);background-color:#fff;transition:var(--transition)}.filter-group input:focus,.filter-group select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(500px,1fr));gap:1.5rem}.chart-container{background-color:var(--background-card);border-radius:var(--border-radius);box-shadow:var(--shadow-md);padding:1.5rem;display:flex;flex-direction:column;transition:var(--transition);min-height:400px}.chart-container:hover{box-shadow:var(--shadow-lg)}.chart-container h2{font-size:1.25rem;font-weight:700;color:var(--text-dark);margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:2px solid var(--border-color)}.usage-trend,.performance-metrics{grid-column:span 2}.performance-charts{display:grid;grid-template-columns:1fr;gap:1.5rem}.performance-chart h3{font-size:1rem;color:var(--text-medium);margin-bottom:1rem;text-align:center}.user-activity{grid-column:span 2}.user-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;max-height:430px;overflow-y:auto;padding-right:.5rem}.user-card{display:flex;align-items:center;padding:1rem;background-color:#fff;border-radius:var(--border-radius-sm);border:1px solid var(--border-color);cursor:pointer;transition:var(--transition)}.user-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--primary-light)}.user-avatar{width:40px;height:40px;background-color:var(--primary-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;margin-right:1rem}.user-info{flex:1}.user-name{font-weight:600;color:var(--text-dark)}.user-stats{font-size:.875rem;color:var(--text-medium)}.view-details-button{font-size:.75rem;color:var(--primary-color);font-weight:500;opacity:0;transition:var(--transition)}.user-card:hover .view-details-button{opacity:1}.user-details-modal{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:2rem}.user-details-content{background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow-lg);width:90%;max-width:1000px;max-height:90vh;overflow-y:auto;padding:2rem}.user-details-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.user-details-header h2{font-size:1.5rem;color:var(--primary-color)}.close-button{background:none;border:none;font-size:1.5rem;color:var(--text-medium);cursor:pointer;transition:var(--transition)}.close-button:hover{color:var(--text-dark)}.user-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-card{background-color:#f1f5f9;padding:1rem;border-radius:var(--border-radius-sm);text-align:center}.stat-value{font-size:1.5rem;font-weight:700;color:var(--primary-color)}.stat-label{font-size:.875rem;color:var(--text-medium)}.user-details-charts{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:1.5rem;margin-bottom:1.5rem}.user-chart-container{background-color:#fff;border-radius:var(--border-radius-sm);border:1px solid var(--border-color);padding:1rem}.user-chart-container h3{font-size:1rem;color:var(--text-medium);margin-bottom:1rem;text-align:center}.user-flow{margin-top:1.5rem}.user-flow h3{font-size:1.25rem;margin-bottom:1.5rem;color:var(--text-dark)}.flow-diagram{display:flex;flex-direction:column;gap:.5rem}.flow-step{display:flex;align-items:flex-start}.flow-step-number{display:flex;align-items:center;justify-content:center;width:30px;height:30px;background-color:var(--primary-color);color:#fff;border-radius:50%;font-weight:700;margin-right:1rem;flex-shrink:0}.flow-step-content{background-color:#f1f5f9;border-radius:var(--border-radius-sm);padding:1rem;flex:1}.flow-step-title{font-weight:600;margin-bottom:.25rem}.flow-step-time{font-size:.875rem;color:var(--text-medium);margin-bottom:.5rem}.flow-step-details{display:flex;gap:1rem;font-size:.875rem}.flow-connector{display:flex;justify-content:center;margin:.25rem 0}@media (max-width: 1200px){.dashboard-grid{grid-template-columns:1fr}.usage-trend,.performance-metrics,.user-activity{grid-column:auto}.user-details-charts{grid-template-columns:1fr}}@media (max-width: 768px){.dashboard{padding:1rem}.filters,.user-list{grid-template-columns:1fr}.dashboard-summary{grid-template-columns:1fr 1fr}.user-details-content{padding:1rem}}.loading{display:flex;justify-content:center;align-items:center;height:100vh;font-size:1.5rem;color:var(--primary-color)}.loading:after{content:"";width:1.5rem;height:1.5rem;margin-left:.5rem;border:3px solid var(--primary-light);border-top-color:var(--primary-color);border-radius:50%;animation:loading 1s infinite linear}@keyframes loading{to{transform:rotate(360deg)}}.chart-loading{display:flex;justify-content:center;align-items:center;height:250px;color:var(--text-medium);font-style:italic}.error-container{display:flex;flex-direction:column;justify-content:center;align-items:center;height:250px;padding:1.5rem;text-align:center}.error-icon{color:#ef4444;margin-bottom:1rem}.error-message{color:var(--text-medium);max-width:300px;margin-bottom:1rem}.retry-button{padding:.625rem 1.25rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius-sm);cursor:pointer;transition:var(--transition)}.retry-button:hover{background-color:var(--primary-dark)}.api-info{display:flex;flex-direction:column;align-items:center;margin-top:1rem}.api-info small{color:var(--text-light)}.update-info{display:flex;align-items:center;gap:.5rem;margin-top:.5rem;font-size:.875rem;color:var(--text-medium)}.refresh-button{background:none;border:none;font-size:1rem;color:var(--primary-color);cursor:pointer;display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;transition:var(--transition)}.refresh-button:hover{background-color:#6366f11a}.refresh-button:disabled{opacity:.5;cursor:not-allowed}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f5f9;border-radius:4px}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.modern-heatmap{background-color:#fff;border-radius:12px;box-shadow:0 4px 20px #00000014;padding:20px;margin-bottom:25px}.modern-heatmap h2{color:#333;font-size:1.4rem;margin-bottom:20px;font-weight:600;padding-bottom:15px;border-bottom:1px solid #eaeaea}.heatmap-scrollable{overflow-x:auto;padding-bottom:5px}.modern-heatmap-container{margin-top:10px}.modern-heatmap-table{width:100%;border-collapse:separate;border-spacing:3px;font-size:.85rem;background-color:#fbfbfb;border-radius:8px;overflow:hidden}.modern-heatmap-table .header-row{background-color:#f2f2f2}.modern-heatmap-table th.corner-cell{background-color:#f8f9fa;border-top-left-radius:8px;font-weight:600;color:#555;padding:12px 8px;text-align:center}.modern-heatmap-table th.day-header{background-color:#f8f9fa;font-weight:600;color:#555;padding:12px 8px;text-align:center;white-space:nowrap}.modern-heatmap-table th.day-header:last-child{border-top-right-radius:8px}.modern-heatmap-table .hour-cell{background-color:#f8f9fa;font-weight:500;text-align:center;padding:8px;color:#555;min-width:40px}.modern-heatmap-table .heat-cell{text-align:center;padding:8px;font-weight:500;border-radius:4px;min-width:40px;min-height:40px;transition:all .2s ease}.modern-heatmap-table .heat-cell:hover{transform:scale(1.1);box-shadow:0 4px 8px #00000026;z-index:100;position:relative}@media (max-width: 768px){.modern-heatmap-table{font-size:.75rem}.modern-heatmap-table .heat-cell{min-width:35px;padding:6px 4px}}.full-width{grid-column:1 / -1}