:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--secondary: #64748b;--secondary-hover: #475569;--secondary-light: #f1f5f9;--success: #10b981;--success-hover: #059669;--success-light: #ecfdf5;--danger: #ef4444;--danger-hover: #dc2626;--danger-light: #fef2f2;--warning: #f59e0b;--warning-hover: #d97706;--warning-light: #fffbeb;--info: #3b82f6;--info-hover: #2563eb;--info-light: #eff6ff;--bg-main: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);--bg-card: #ffffff;--bg-header: #ffffff;--bg-sidebar: #0f172a;--bg-input: #ffffff;--bg-muted: #f1f5f9;--text-main: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--text-inverse: #ffffff;--text-link: #2563eb;--font-family: "Inter", system-ui, -apple-system, sans-serif;--font-size-xs: 12px;--font-size-sm: 14px;--font-size-md: 16px;--font-size-lg: 18px;--font-size-xl: 24px;--font-size-2xl: 32px;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--space-12: 48px;--border-color: #e2e8f0;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 12px;--border-radius-xl: 16px;--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 -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--header-height: 72px;--sidebar-width: 280px;--sidebar-collapsed-width: 80px;--input-height: 44px;--max-content-width: 1440px;--button-height: 44px;--primary-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);--secondary-gradient: linear-gradient(135deg, #64748b 0%, #94a3b8 100%);--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(255, 255, 255, .4);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .5s ease;--opacity-disabled: .6;--z-index-modal: 1000;--z-index-dropdown: 500;--z-index-toast: 2000}*{box-sizing:border-box}body{margin:0;background-color:var(--bg-main);color:var(--text-main);font-family:var(--font-family);font-size:var(--font-size-sm);line-height:var(--line-height-normal);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{margin:0;color:var(--text-main)}a{color:var(--text-link);text-decoration:none;transition:var(--transition-fast)}a:hover{text-decoration:underline}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.font-bold{font-weight:var(--font-weight-bold)}.font-semibold{font-weight:var(--font-weight-semibold)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-4{gap:var(--space-4)}.w-full{width:100%}.h-full{height:100%}.glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--glass-border)}