:root{--background:#0a0a0a;--foreground:#ededed;--card-bg:#111;--card-border:#333;--accent:#fff;--accent-foreground:#000;--text-secondary:#888;--success:#ededed;--error:#fff;--font-sans:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body,html{font-family:var(--font-sans);background-color:var(--background);color:var(--foreground);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none;transition:opacity .2s ease}a:hover{opacity:.8}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;font-weight:700}button{font-family:inherit;cursor:pointer}.container{max-width:1200px;margin:0 auto;padding:0 2rem}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{background:#333;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}