:root{--color-bg-primary:#1a1a2e;--color-bg-secondary:#16213e;--color-bg-surface:#fff;--color-text-primary:#e2e8f0;--color-text-dark:#1a1a2e;--color-accent:#4f8cff;--color-accent-hover:#3a7be8;--color-danger:#e74c3c;--color-border:#2a2a4a;--radius-sm:6px;--radius-md:12px;--radius-lg:16px;--shadow-sm:0 1px 3px rgba(0,0,0,.12);--shadow-md:0 4px 12px rgba(0,0,0,.15);--shadow-lg:0 8px 24px rgba(0,0,0,.2);--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:var(--font-family);height:100%;overflow:hidden;width:100%;-webkit-font-smoothing:antialiased}button{border:none;cursor:pointer;font-family:inherit}a{color:var(--color-accent);text-decoration:none}