*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #cc0000;--color-primary-dark: #990000;--color-bg: #f5f5f5;--color-surface: #ffffff;--color-text: #1a1a1a;--color-text-muted: #666666;--color-border: #e0e0e0;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.12)}html,body{height:100%;overflow:hidden;overscroll-behavior:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--color-bg);color:var(--color-text);-webkit-text-size-adjust:100%}