*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#ff4757;--secondary-color:#2f3542;--accent-color:#ffa502;--bg-light:#f8f9fa;--bg-dark:#ffffff;--text-primary:#2f3542;--text-secondary:#57606f;--border-color:#dfe6e9;--shadow-sm:0 2px 8px rgba(0,0,0,0.08);--shadow-md:0 8px 24px rgba(0,0,0,0.12);--shadow-lg:0 16px 40px rgba(0,0,0,0.16)}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:var(--bg-light);color:var(--text-primary);line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-light)}::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--secondary-color)}::selection{background-color:var(--primary-color);color:white}:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}a,button,input,select,textarea{transition:all .3s ease}