:root{--yt-red: #ff0000;--yt-dark-red: #cc0000}[data-theme=light]{--bg-primary: #f9f9f9;--bg-secondary: #ffffff;--bg-tertiary: #f2f2f2;--text-primary: #030303;--text-secondary: #606060;--text-tertiary: #909090;--border-color: #e5e5e5;--border-hover: #d0d0d0;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .1);--shadow-md: 0 2px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .15);--hover-bg: #f2f2f2}[data-theme=dark]{--bg-primary: #0f0f0f;--bg-secondary: #212121;--bg-tertiary: #272727;--text-primary: #f1f1f1;--text-secondary: #aaaaaa;--text-tertiary: #717171;--border-color: #3f3f3f;--border-hover: #4f4f4f;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);--shadow-md: 0 2px 8px rgba(0, 0, 0, .6);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .7);--hover-bg: #272727}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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