:root{--color-primary: #4F46E5;--color-primary-hover: #4338CA;--color-secondary: #10B981;--color-accent: #F59E0B;--color-background: #F9FAFB;--color-surface: #FFFFFF;--color-text-primary: #111827;--color-text-secondary: #6B7280;--color-border: #E5E7EB;--color-error: #EF4444;--color-success: #10B981;--color-warning: #F59E0B;--color-info: #3B82F6;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease;--sidebar-width: 280px;--sidebar-collapsed: 80px;--header-height: 64px}[data-theme=dark]{--color-primary: #818CF8;--color-primary-hover: #A5B4FC;--color-secondary: #34D399;--color-accent: #FBBF24;--color-background: #111827;--color-surface: #1F2937;--color-text-primary: #F9FAFB;--color-text-secondary: #9CA3AF;--color-border: #374151;--color-error: #F87171;--color-success: #34D399;--color-warning: #FBBF24;--color-info: #60A5FA}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:Inter,Noto Sans SC,system-ui,-apple-system,sans-serif;background-color:var(--color-background);color:var(--color-text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex}.app-layout{display:flex;width:100%;min-height:100vh}.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh;padding:var(--spacing-lg);transition:margin-left var(--transition-normal)}@media(max-width:1024px){.main-content{margin-left:0;padding:var(--spacing-md)}}h1{font-size:2rem;font-weight:700;line-height:1.2}h2{font-size:1.5rem;font-weight:600;line-height:1.3}h3{font-size:1.25rem;font-weight:600;line-height:1.4}p{font-size:1rem;color:var(--color-text-secondary)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:500;cursor:pointer;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-surface);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{background-color:var(--color-background)}.btn-success{background-color:var(--color-success);color:#fff}.btn-danger{background-color:var(--color-error);color:#fff}.btn-outline{background-color:transparent;border:1px solid var(--color-primary);color:var(--color-primary)}.btn-outline:hover{background-color:var(--color-primary);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-lg{padding:var(--spacing-md) var(--spacing-lg);font-size:1.125rem}.btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:.875rem}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-md)}.card-title{font-size:1.25rem;font-weight:600}.form-group{margin-bottom:var(--spacing-md)}.form-label{display:block;margin-bottom:var(--spacing-xs);font-weight:500;color:var(--color-text-primary)}.form-input,.form-select,.form-textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:1rem;transition:border-color var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary)}.form-input::placeholder{color:var(--color-text-secondary)}.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)}@media(max-width:1024px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);font-size:.75rem;font-weight:500}.badge-primary{background-color:var(--color-primary);color:#fff}.badge-success{background-color:var(--color-success);color:#fff}.badge-warning{background-color:var(--color-warning);color:#fff}.badge-error{background-color:var(--color-error);color:#fff}.progress-ring{transform:rotate(-90deg)}.progress-ring-circle{transition:stroke-dashoffset var(--transition-slow)}.text-center{text-align:center}.text-right{text-align:right}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn var(--transition-normal) ease-out}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-background)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}