*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:#0a0a0a;color:#ffffff;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}[dir=rtl]{font-family:Vazirmatn,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.theme-white{--bg-primary:#ffffff;--bg-secondary:#f5f5f5;--text-primary:#1a1a1a;--text-secondary:#666666;--border-color:#e5e5e5}.theme-dark{--bg-primary:#0a0a0a;--bg-secondary:#1a1a1a;--text-primary:#ffffff;--text-secondary:#888888;--border-color:#333333}.theme-red{--bg-primary:#1a0000;--bg-secondary:#2a0000;--text-primary:#ffffff;--text-secondary:#ff9999;--border-color:#4a0000;--accent-color:#dc2626}.theme-black{--bg-primary:#000000;--bg-secondary:#0a0a0a;--text-primary:#ffffff;--text-secondary:#666666;--border-color:#1a1a1a}.content-blur{filter:blur(20px);transition:filter .3s ease}.content-blur.revealed{filter:blur(0)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}