:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--card-bg: #ffffff;--text-primary: #1a1a1a;--text-secondary: #6b7280;--border-color: #e5e7eb;--primary-color: #2563eb;--hover-bg: #f3f4f6;--shadow-color: rgba(0, 0, 0, .1)}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--card-bg: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--border-color: #334155;--primary-color: #3b82f6;--hover-bg: #334155;--shadow-color: rgba(0, 0, 0, .3)}*{box-sizing:border-box;margin:0;padding:0}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html{overflow-y:scroll;overflow-x:hidden}body{background:var(--bg-primary);color:var(--text-primary)}button{font-family:inherit}