:root{--primary: #2563EB;--primary-hover: #1D4ED8;--secondary: #3B82F6;--background: #F8FAFC;--surface: #FFFFFF;--text: #1E293B;--text-muted: #64748B;--border: #E2E8F0;--success: #10B981;--warning: #F59E0B;--error: #EF4444;--glass-bg: rgba(255, 255, 255, .8);--glass-blur: 12px;--sidebar-width: 280px}.dark{--primary: #3B82F6;--primary-hover: #60A5FA;--secondary: #60A5FA;--background: #0F172A;--surface: #1E293B;--text: #F1F5F9;--text-muted: #94A3B8;--border: #334155;--glass-bg: rgba(30, 41, 59, .8)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:Open Sans,sans-serif;background:var(--background);color:var(--text);min-height:100vh;transition:background-color .3s ease,color .3s ease}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}#app{min-height:100vh}