* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f8f9fa;
}

header {
  background-color: #333;
  color: white;
  padding: 20px;
  text-align: center;
}

.navbar ul {
  display: flex;
  justify-content: space-around;
  list-style: none;
}

.navbar li {
  font-size: 14px;
}

nav ul li a.active {
  background-color: #555;
}

nav ul li {
  padding-top: 30px;
  display: inline;
  margin-right: 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  padding: 10px;
  border-radius: 5px;
}

nav ul li a:hover,
nav ul li a.active {
  background-color: #555;
}

.welcome-section {
  display: flex;
  flex-direction: column;
  gap: 30px; /* Increased gap between boxes */
  margin: 20px 0;
}

/* First Box: Profile Information Styling */
.profile-container {
  padding: 30px;
  font-size: 20px;
}

.profile-info {
  display: flex;
  align-items: center;
}

.profile-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background-color: #1b1212c7;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-right: 20px;
}

.welcome-message h2 {
  font-size: 40px;
}

.welcome-message a {
  color: #2f00bc;
  font-size: 20px; /* Larger font for the link */
  text-decoration: none;
}

/* Second Box: Streak Information Styling */
.streak-container {
  background-color: white;
  padding: 30px;
  border-radius: 0px; /* Larger corner radius */
  font-size: 18px;
  border: 2px solid #ddd;
  margin-left: 30px;
  margin-right: 30px;
}

.streak-info {
  display: flex;
  justify-content: space-between;
}

.weekly-streak,
.current-streak,
.activity-summary {
  flex: 1;
  margin-right: 10px;
}

.weekly-streak {
  font-size: 18px;
  color: #333;
}

.current-streak {
  font-size: 18px;
  padding-left: 10px;
}
.current-streak p {
  margin-left: 40px;
}

.activity-summary {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 14px;
  color: #333;
}

.progress-bar-container {
  position: relative;
  width: 50px;
  height: 50px;
}

.progress-ring {
  transform: rotate(-90deg); /* Rotate the circle to start from the top */
}

.progress-ring__circle-bg {
  stroke-dasharray: 138;
  stroke-dashoffset: 0;
}

.progress-ring__circle {
  stroke-dasharray: 138;
  stroke-dashoffset: calc(
    138 - (138 * 11 / 30)
  ); /* Dynamic progress calculation for the orange part */
  stroke-linecap: round;
}

/* Inner smaller circle inside the large progress ring */
.inner-small-circle {
  stroke: #008000; /* Light gray circle */
  stroke-width: 5; /* Thinner stroke */
  fill: transparent;
}

.activity-details {
  display: flex;
  flex-direction: column;
}

.orange-dot {
  color: #ffa500;
}

.green-dot {
  color: #008000;
}

.activity-details a {
  color: #5624d0;
  margin-left: 80px;
  font-weight: bold;
  font-size: 14px;
}

/* */
.course-section {
  background-color: white;
  padding: 20px;
  margin-top: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.course-section h3 {
  font-size: 24px;
  margin-bottom: 10px;
}

.course-tabs ul {
  display: flex;
  list-style: none;
  border-bottom: 1px solid #ccc;
  margin-bottom: 20px;
}

.course-tabs li {
  margin-right: 20px;
  margin-bottom: 10px;
}

.course-tabs a {
  text-decoration: none;
  font-size: 16px;
  color: #000;
}

.course-list {
  display: flex;
  justify-content: space-between;
}

.course-item {
  background-color: #f1f1f1;
  padding: 10px;
  margin-right: 10px;
  width: 30%;
  display: flex;
  align-items: center;
}

.course-item img {
  width: 200px;
  height: 100px;
  margin-right: 10px;
}

.course-details h4 {
  font-size: 16px;
  margin-bottom: 5px;
}

.course-details p {
  font-size: 14px;
  color: #555;
}
.course-item:last-child {
  margin-right: 0; 
}
/* */
.recommendation-section {
  margin-top: 20px;
  padding: 20px;
  background-color: #ffffff; 
  border-radius: 8px; 
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); 
}

.recommendation-section {
  margin-top: 20px;
  padding: 20px;
  background-color: #ffffff; 
  border-radius: 8px; 
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); 
}

.header-container {
  display: flex; 
  justify-content: space-between;
  width: 100%; 
  margin-bottom: 20px;
}
.header-container a{
  margin-right: 45% ;
  
}

.header-container h3 {
  margin: 0; 
  font-size: 24px;

}

.edit-link {
  padding-top: 10px;
  color: #0a58ca;
  font-size: 14px;
  
  font-weight: bold;
}


.recommendation-courses {
  display: flex;
  justify-content: space-between;
}

.recommendation-item {
  background-color: white;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  width: 23%;
  text-align: center;
}

.recommendation-item img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 10px;
}

.course-details h4 {
  font-size: 18px;
  margin-bottom: 5px;
}

.course-details p {
  font-size: 14px;
  color: #555;
}

.personalize-section {
  background-color: #fff;
  padding: 30px;
  text-align: center;
  margin-top: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.personalize-content h3 {
  font-size: 22px;
  margin-bottom: 15px;
}

.personalize-content p {
  font-size: 16px;
  color: #555;
  margin-bottom: 20px;
}

.personalize-content button {
  background-color: #007bff;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.personalize-content button:hover {
  background-color: #0056b3;
}
/* back */
.back-arrow {
  position: absolute; /* Sử dụng position: absolute */
  top: 13px; /* Đặt vị trí cách từ trên cùng 100 pixels */
  left: 10px; /* Đặt vị trí cách từ trái 10 pixels */
  font-size: 35px;
  text-decoration: none;
  color: #f0ebeb;
  transition: color 0.3s, transform 0.3s;
  z-index: 100;
}

.back-arrow:hover {
  color: #666;
  transform: scale(1.1);
}