поправила вывод курса в шапку

src/pages/CourseExercises.tsx

@@ -1,7 +1,7 @@
 "use client"
 
 import { useState, useEffect } from "react";
-import { useParams, useHistory } from "react-router-dom";
+import { useParams, useHistory, useLocation } from "react-router-dom";
 
 import HeaderNav from "../components/HeaderNav";
 import BottomNavigation from "../components/BottomNavigation";
@@ -11,8 +11,9 @@ import { connect } from '../confconnect';
 import { getRouteExercise } from "../shared/consts/router";
 import { ArrowIcon } from "../components/icons/ArrowIcon";
 
+import type { Course } from "../pages/Courses";
 
-interface CourseExercises {
+export interface CourseExercises {
   id_course: number;
   id_exercise: number;
   exercise: Exercise;
@@ -25,8 +26,6 @@ interface CourseExercises {
 interface Exercise {
   id: number;
   title: string;
- 
-
 }
 
 
@@ -34,6 +33,11 @@ export const CourseExercises = () => {
   const history = useHistory();
   const { id } = useParams<{ id: string }>();
 
+
+  const location = useLocation<{ course?: Course }>();
+  const course = location.state?.course;
+
+
   // const [pacientData, setPacientData] = useState(null);
 
   const [course_exercises, setExercises] = useState<CourseExercises[]>([]);
@@ -41,6 +45,8 @@ export const CourseExercises = () => {
 
   const token = localStorage.getItem('authToken');
 
+
+
   useEffect(() => {
     console.log(token)
     if (!token) {
@@ -99,7 +105,9 @@ export const CourseExercises = () => {
 
     <div className="my-36 min-h-screen max-w-4xl mx-auto">
 
-      <HeaderNav item={'Курс' + ' ' + id} text={'список упражнений'} />
+      <HeaderNav item={course?.title ?? 'Название курса'} text={'курс'} />
+{/* Это выражение использует оператор опциональной цепочки (?.) и оператор нулевого слияния (??). 
+Если course не null и не undefined, то взять его свойство title, иначе — вернуть undefined*/}
 
       <div className="px-6 mb-8">
 

src/pages/Courses.tsx

@@ -16,6 +16,8 @@ export interface Course {
   url_file_img: string;
 }
 
+
+
 const ProgressLine = () => {
   return (
     <div
@@ -88,6 +90,7 @@ export const Courses = () => {
           }
         });
 
+
         setCourses(allCourses);
       })
       .catch(error => {
@@ -106,7 +109,6 @@ export const Courses = () => {
 
 
 
-
   // Генерируем случайный прогресс для каждого курса
   const getRandomProgress = () => Math.floor(Math.random() * 100);
 
@@ -146,7 +148,7 @@ export const Courses = () => {
               return (
                 <div
                   key={course.ID}
-                  onClick={() => history.push(getRouteCourseExercises(course.ID.toString()))}
+                  onClick={() => history.push(getRouteCourseExercises(course.ID.toString()), { course })}
                   className="bg-white/30 backdrop-blur-2xl rounded-3xl p-6 border border-white/20 shadow-xl cursor-pointer hover:shadow-2xl transition-all duration-300 transform hover:scale-[1.02]"
                 >
                   <div className="flex items-center space-x-5">

src/pages/Exercise.tsx

@@ -389,7 +389,7 @@ export const Exercise = () => {
                 onTouchStart={() => setIsActive(true)}
                 onTouchEnd={() => setIsActive(false)}
 
-                className={`cursor-pointer px-6 py-3 font-bold rounded-xl transition-all duration-700 hover:scale-105 hover:shadow-lg border border-gray-200 flex items-center justify-center ${!isActive ? "bg-white text-cyan-500" : "bg-orange-400 text-white"}`}
+                className={`cursor-pointer px-6 py-3 font-bold rounded-xl transition-all duration-700 hover:scale-105 hover:shadow-lg border border-gray-200 flex items-center justify-center ${!isActive ? "bg-white text-orange-400" : "bg-orange-400 text-white"}`}
               >
                 <CheckIcon
                   className="w-6 h-6"