:root{--color-primary: #6366f1;--color-primary-hover: #818cf8;--color-primary-muted: rgba(99, 102, 241, .2);--color-success: #22c55e;--color-success-muted: rgba(34, 197, 94, .2);--color-warning: #f59e0b;--color-warning-muted: rgba(245, 158, 11, .2);--color-error: #ef4444;--color-error-muted: rgba(239, 68, 68, .2);--color-info: #3b82f6;--color-info-muted: rgba(59, 130, 246, .2);--color-bg-base: #0a0a0a;--color-bg-surface: #141414;--color-bg-elevated: #1a1a1a;--color-bg-hover: #242424;--color-border: #2a2a2a;--color-border-hover: #3a3a3a;--color-text-primary: #ffffff;--color-text-secondary: #a1a1aa;--color-text-muted: #71717a;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .25);--shadow-glow: 0 0 20px rgba(99, 102, 241, .3);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--sidebar-width: 260px;--header-height: 64px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background-color:var(--color-bg-base);color:var(--color-text-primary);line-height:1.6;min-height:100vh}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}button{font-family:inherit;cursor:pointer;border:none;background:none}input,select,textarea{font-family:inherit;font-size:inherit}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;margin-left:var(--sidebar-width);padding:var(--space-8);background-color:var(--color-bg-base);min-height:100vh}.sidebar{position:fixed;left:0;top:0;width:var(--sidebar-width);height:100vh;background-color:var(--color-bg-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;z-index:100}.sidebar-header{padding:var(--space-6);border-bottom:1px solid var(--color-border)}.sidebar-logo{display:flex;align-items:center;gap:var(--space-3)}.sidebar-logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--color-primary),#a855f7);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:var(--text-xl);font-weight:var(--font-bold);color:#fff}.sidebar-logo-text{font-size:var(--text-lg);font-weight:var(--font-semibold)}.sidebar-nav{flex:1;padding:var(--space-4);overflow-y:auto}.nav-section{margin-bottom:var(--space-6)}.nav-section-title{font-size:var(--text-xs);font-weight:var(--font-semibold);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;padding:var(--space-2) var(--space-3);margin-bottom:var(--space-2)}.nav-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:var(--text-sm);font-weight:var(--font-medium);transition:all var(--transition-fast);margin-bottom:var(--space-1)}.nav-item:hover{background-color:var(--color-bg-hover);color:var(--color-text-primary)}.nav-item.active{background-color:var(--color-primary-muted);color:var(--color-primary)}.nav-item svg{width:20px;height:20px;flex-shrink:0}.page-header{margin-bottom:var(--space-8)}.page-title{font-size:var(--text-3xl);font-weight:var(--font-bold);margin-bottom:var(--space-2)}.page-subtitle{font-size:var(--text-base);color:var(--color-text-secondary)}.card{background-color:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);transition:all var(--transition-normal)}.card:hover{border-color:var(--color-border-hover)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4)}.card-title{font-size:var(--text-lg);font-weight:var(--font-semibold)}.card-description{font-size:var(--text-sm);color:var(--color-text-secondary)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--space-6);margin-bottom:var(--space-8)}.stat-card{background-color:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);display:flex;flex-direction:column;gap:var(--space-4);transition:all var(--transition-normal)}.stat-card:hover{border-color:var(--color-border-hover);box-shadow:var(--shadow-md)}.stat-card-header{display:flex;align-items:center;justify-content:space-between}.stat-card-icon{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center}.stat-card-icon.primary{background-color:var(--color-primary-muted);color:var(--color-primary)}.stat-card-icon.success{background-color:var(--color-success-muted);color:var(--color-success)}.stat-card-icon.warning{background-color:var(--color-warning-muted);color:var(--color-warning)}.stat-card-icon.info{background-color:var(--color-info-muted);color:var(--color-info)}.stat-card-label{font-size:var(--text-sm);color:var(--color-text-secondary);font-weight:var(--font-medium)}.stat-card-value{font-size:var(--text-3xl);font-weight:var(--font-bold);line-height:1.2}.stat-card-trend{display:flex;align-items:center;gap:var(--space-1);font-size:var(--text-sm);font-weight:var(--font-medium)}.stat-card-trend.up{color:var(--color-success)}.stat-card-trend.down{color:var(--color-error)}.charts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-6);margin-bottom:var(--space-8)}.chart-card{background-color:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6)}.chart-card.full-width{grid-column:1 / -1}.chart-header{margin-bottom:var(--space-6)}.chart-title{font-size:var(--text-lg);font-weight:var(--font-semibold);margin-bottom:var(--space-1)}.chart-subtitle{font-size:var(--text-sm);color:var(--color-text-secondary)}.chart-container{width:100%;height:300px}.table-container{overflow-x:auto;border-radius:var(--radius-lg)}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:var(--space-4);text-align:left;border-bottom:1px solid var(--color-border)}.data-table th{font-size:var(--text-xs);font-weight:var(--font-semibold);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;background-color:var(--color-bg-elevated)}.data-table td{font-size:var(--text-sm)}.data-table tbody tr{transition:background-color var(--transition-fast)}.data-table tbody tr:hover{background-color:var(--color-bg-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);font-size:var(--text-sm);font-weight:var(--font-medium);border-radius:var(--radius-md);transition:all var(--transition-fast)}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-secondary{background-color:var(--color-bg-elevated);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{background-color:var(--color-bg-hover);border-color:var(--color-border-hover)}.btn-ghost{color:var(--color-text-secondary)}.btn-ghost:hover{background-color:var(--color-bg-hover);color:var(--color-text-primary)}.badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);font-size:var(--text-xs);font-weight:var(--font-medium);border-radius:var(--radius-full)}.badge-primary{background-color:var(--color-primary-muted);color:var(--color-primary)}.badge-success{background-color:var(--color-success-muted);color:var(--color-success)}.badge-warning{background-color:var(--color-warning-muted);color:var(--color-warning)}.badge-error{background-color:var(--color-error-muted);color:var(--color-error)}.badge-neutral{background-color:var(--color-bg-elevated);color:var(--color-text-secondary)}.search-bar{display:flex;align-items:center;gap:var(--space-3);background-color:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-3) var(--space-4);transition:all var(--transition-fast)}.search-bar:focus-within{border-color:var(--color-primary);box-shadow:var(--shadow-glow)}.search-bar input{flex:1;background:none;border:none;outline:none;color:var(--color-text-primary);font-size:var(--text-sm)}.search-bar input::placeholder{color:var(--color-text-muted)}.search-bar svg{color:var(--color-text-muted);width:20px;height:20px}.filter-group{display:flex;align-items:center;gap:var(--space-3)}.avatar{width:40px;height:40px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-primary),#a855f7);display:flex;align-items:center;justify-content:center;font-size:var(--text-sm);font-weight:var(--font-semibold);color:#fff}.avatar.sm{width:32px;height:32px;font-size:var(--text-xs)}.avatar.lg{width:56px;height:56px;font-size:var(--text-lg)}.progress-bar{height:8px;background-color:var(--color-bg-elevated);border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--color-primary),#a855f7);border-radius:var(--radius-full);transition:width var(--transition-slow)}.skeleton{background:linear-gradient(90deg,var(--color-bg-elevated) 25%,var(--color-bg-hover) 50%,var(--color-bg-elevated) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.loading-spinner{width:24px;height:24px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:var(--radius-full);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 1024px){.charts-grid{grid-template-columns:1fr}}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0}.stat-grid{grid-template-columns:1fr}}