.loading-spinner-container{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;width:100%}.loading-spinner{width:50px;height:50px;border:4px solid #f3f3f3;border-top:4px solid #3498db;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-spinner-container p{margin-top:16px;color:#666;font-size:14px}:root{--color-primary: #7c3aed;--color-primary-dark: #6d28d9;--color-primary-light: #a78bfa;--color-primary-bg: #ede9fe;--color-primary-rgb: 124, 58, 237;--color-secondary: #1e1b4b;--color-secondary-light: #312e81;--color-secondary-dark: #0f0e24;--color-accent: #8b5cf6;--color-accent-dark: #7c3aed;--color-accent-light: #a78bfa;--color-accent-bg: #f3e8ff;--color-white: #ffffff;--color-gray-50: #f8fafc;--color-gray-100: #f1f5f9;--color-gray-200: #e2e8f0;--color-gray-300: #cbd5e1;--color-gray-400: #94a3b8;--color-gray-500: #64748b;--color-gray-600: #475569;--color-gray-700: #334155;--color-gray-800: #1e293b;--color-gray-900: #0f172a;--color-success: #10b981;--color-success-light: #6ee7b7;--color-success-bg: #d1fae5;--color-warning: #f59e0b;--color-warning-light: #fbbf24;--color-warning-bg: #fef3c7;--color-error: #ef4444;--color-error-light: #f87171;--color-error-bg: #fef2f2;--color-error-border: #fecaca;--color-info: #3b82f6;--color-info-light: #60a5fa;--color-info-bg: #dbeafe;--gradient-primary: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #c084fc 100%);--gradient-dark: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);--gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%);--gradient-subtle: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 50%, #fae8ff 100%);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-size-4xl: 2.5rem;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--spacing-3xl: 64px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -1px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -2px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 10px 10px -5px rgba(0, 0, 0, .03);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .15);--shadow-primary: 0 4px 14px rgba(124, 58, 237, .25);--shadow-glow: 0 0 20px rgba(124, 58, 237, .15);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--transition-smooth: .3s cubic-bezier(.4, 0, .2, 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var(--transition-base)}button:disabled{cursor:not-allowed;opacity:.6}input,textarea,select{font-family:inherit;font-size:var(--font-size-base);color:var(--color-gray-800)}input:focus,textarea:focus,select:focus{outline:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.text-gradient{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-gray-100);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb{background:var(--color-gray-300);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-primary-light)}::selection{background:var(--color-primary-bg);color:var(--color-primary-dark)}.navbar{background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-dark) 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var(--transition-fast)}.sidebar-user:hover{background:var(--color-gray-50)}.sidebar-avatar{width:36px;height:36px;border-radius:var(--radius-full);background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:var(--font-size-sm);flex-shrink:0}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{font-size:var(--font-size-sm);font-weight:600;color:var(--color-gray-800);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-role{font-size:var(--font-size-xs);color:var(--color-gray-500)}@media(max-width:1024px){.sidebar{width:220px}.sidebar.collapsed{width:72px}.sidebar nav a{padding:10px var(--spacing-md)}}@media(max-width:768px){.sidebar{width:64px;padding:var(--spacing-xs)}.sidebar nav{padding:var(--spacing-xs)}.sidebar .label{display:none}.sidebar nav a{justify-content:center;padding:12px;border-radius:var(--radius-md)}.sidebar nav a.active:before{display:none}.sidebar nav 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var(--color-gray-100)}.card-title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-gray-900)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}.stat-card{background:var(--color-white);border:1px solid var(--color-gray-100);border-radius:var(--radius-xl);padding:var(--spacing-lg);transition:all var(--transition-smooth);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);opacity:0;transition:opacity var(--transition-fast)}.stat-card:hover{border-color:var(--color-primary-bg);box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-card:hover:before{opacity:1}.stat-icon{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin-bottom:var(--spacing-md);background:var(--gradient-subtle);color:var(--color-primary)}.stat-value{font-size:2rem;font-weight:700;color:var(--color-gray-900);line-height:1.2;letter-spacing:-.02em}.stat-label{font-size:var(--font-size-sm);color:var(--color-gray-500);margin-top:var(--spacing-xs);font-weight:500}.stat-card.success .stat-icon{background:var(--color-success-bg);color:var(--color-success)}.stat-card.warning .stat-icon{background:var(--color-warning-bg);color:var(--color-warning)}.stat-card.error .stat-icon{background:var(--color-error-bg);color:var(--color-error)}.stat-card.info .stat-icon{background:var(--color-info-bg);color:var(--color-info)}.stat-card.success .stat-value{color:var(--color-success)}.stat-card.warning .stat-value{color:var(--color-warning)}.stat-card.error .stat-value{color:var(--color-error)}.stat-card.info .stat-value{color:var(--color-info)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:10px 20px;font-size:var(--font-size-sm);font-weight:600;border-radius:var(--radius-lg);transition:all var(--transition-smooth);cursor:pointer;border:none;position:relative;overflow:hidden}.btn-primary{background:var(--gradient-primary);color:var(--color-white);box-shadow:0 2px 8px #7c3aed33}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-primary)}.btn-secondary{background:var(--color-white);color:var(--color-gray-700);border:1.5px solid 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input{flex:1;border:none;background:transparent;font-size:var(--font-size-sm);color:var(--color-gray-800);outline:none}.search-box input::placeholder{color:var(--color-gray-400)}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;font-size:var(--font-size-xs);font-weight:600;border-radius:var(--radius-full)}.badge-primary{background:var(--color-primary-bg);color:var(--color-primary-dark)}.badge-success{background:var(--color-success-bg);color:#065f46}.badge-warning{background:var(--color-warning-bg);color:#92400e}.badge-error{background:var(--color-error-bg);color:#991b1b}.badge-info{background:var(--color-info-bg);color:#1e40af}.tag{display:inline-flex;align-items:center;padding:4px 10px;font-size:11px;font-weight:500;background:var(--color-gray-100);color:var(--color-gray-600);border-radius:var(--radius-md);text-transform:capitalize}.status-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;box-shadow:0 0 0 2px var(--color-white)}.status-dot.online{background:var(--color-success);box-shadow:0 0 0 2px var(--color-white),0 0 8px var(--color-success)}.status-dot.warning{background:var(--color-warning);animation:pulse-warning 2s infinite}.status-dot.offline{background:var(--color-error)}@keyframes pulse-warning{0%,to{box-shadow:0 0 0 2px var(--color-white),0 0 0 4px #f59e0b33}50%{box-shadow:0 0 0 2px var(--color-white),0 0 0 8px #f59e0b00}}.status-badge{display:inline-flex;align-items:center;gap:6px;font-size:var(--font-size-xs);font-weight:600;text-transform:capitalize}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-3xl);text-align:center;background:var(--gradient-subtle);border-radius:var(--radius-xl)}.empty-state svg{color:var(--color-primary-light);margin-bottom:var(--spacing-lg);opacity:.6}.empty-state h3{font-size:var(--font-size-lg);color:var(--color-gray-700);margin-bottom:var(--spacing-sm)}.empty-state p{color:var(--color-gray-500);margin-bottom:var(--spacing-lg);max-width:300px}.section-header{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.section-title{display:flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-lg);font-weight:600;color:var(--color-gray-800);margin:0}.section-title svg{color:var(--color-primary)}.grid{display:grid;gap:var(--spacing-md)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-auto-fill{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.demo-badge{background:var(--gradient-accent);color:#fff;padding:4px 12px;border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600;letter-spacing:.02em}@media(max-width:1024px){.page{padding:var(--spacing-md)}.grid-4,.stats-grid{grid-template-columns:repeat(2,1fr)}.card{padding:var(--spacing-md)}.stat-value{font-size:1.75rem}.btn-lg{padding:12px 24px}}@media(max-width:768px){.app-footer{padding:var(--spacing-md) var(--spacing-lg)}.app-footer p{font-size:var(--font-size-xs)}.page{padding:var(--spacing-sm)}.page-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.page-title h1{font-size:var(--font-size-xl)}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm)}.stat-card{padding:var(--spacing-md)}.stat-icon{width:40px;height:40px}.stat-value{font-size:1.5rem}.card{padding:var(--spacing-md);border-radius:var(--radius-lg)}.card-header,.section-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.btn{padding:10px 16px;font-size:var(--font-size-sm)}.btn-lg{padding:12px 20px;width:100%;justify-content:center}.btn-icon{width:44px;height:44px}.search-box{width:100%}.form-input,.form-select{padding:14px 16px;font-size:16px}.empty-state{padding:var(--spacing-xl)}.empty-state svg{width:48px;height:48px}.badge{padding:4px 8px;font-size:10px}}@media(max-width:480px){.page{padding:var(--spacing-xs)}.page-title h1{font-size:var(--font-size-lg)}.stats-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-xs)}.stat-card{padding:var(--spacing-sm)}.stat-icon{width:36px;height:36px;margin-bottom:var(--spacing-sm)}.stat-value{font-size:1.25rem}.stat-label{font-size:var(--font-size-xs)}.card{padding:var(--spacing-sm);border-radius:var(--radius-md)}.card-title,.section-title{font-size:var(--font-size-base)}.btn{padding:10px 14px}.demo-badge{padding:3px 8px;font-size:10px}.form-group{margin-bottom:var(--spacing-sm)}.form-label{font-size:var(--font-size-xs)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-pulse{animation:pulse 2s ease-in-out infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg,var(--color-gray-100) 25%,var(--color-gray-50) 50%,var(--color-gray-100) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}[data-tooltip]{position:relative}[data-tooltip]:after{content:attr(data-tooltip);position:absolute;bottom:100%;left:50%;transform:translate(-50%) translateY(-4px);padding:8px 12px;background:var(--color-gray-900);color:var(--color-white);font-size:var(--font-size-xs);font-weight:500;border-radius:var(--radius-md);white-space:nowrap;opacity:0;visibility:hidden;transition:all var(--transition-fast);z-index:100;box-shadow:var(--shadow-lg)}[data-tooltip]:hover:after{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}