body{
  position: sticky;
}
section{
    min-height: 100vh;
}
.page-sidebar-menu{
    position: sticky;
}
*{
    scroll-behavior: smooth;
}

/* Hide the default checkbox */
.container input {
    position: absolute;
    /* opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0; */
  }
  .container {
    display: block;
    position: relative;
    cursor: pointer;
    font-size: 20px;
    user-select: none;
  }
  
  /* Create a custom checkbox */
  .checkmark {
    position: relative;
    top: 0;
    left: 0;
    height: 2.3em;
    width: 2.3em;
    background-color: #ccc;
    border-radius: 50%;
    transition: .4s;
  }
  
  .checkmark:hover {
    box-shadow: inset 17px 17px 16px #b3b3b3,
              inset -17px -17px 16px #ffffff;
  }
  
  /* When the checkbox is checked, add a blue background */
  .container input:checked ~ .checkmark {
    box-shadow: none;
    background-color: limegreen;
    transform: rotateX(360deg);
  }
  
  .container input:checked ~ .checkmark:hover {
    box-shadow: 3px 3px 3px rgba(0,0,0,0.2);
  }
  
  /* Create the checkmark/indicator (hidden when not checked) */
  .checkmark:after {
    content: "";
    position: absolute;
    display: none;
  }
  
  /* Show the checkmark when checked */
  .container input:checked ~ .checkmark:after {
    display: block;
  }
  
  /* Style the checkmark/indicator */
  .container .checkmark:after {
    left: 0.96em;
    top: 0.7em;
    width: 0.25em;
    height: 0.5em;
    border: solid white;
    border-width: 0 0.15em 0.15em 0;
    box-shadow: 0.1em 0.1em 0em 0 rgba(0,0,0,0.3);
    transform: rotate(45deg);
  }
  #home{
    display: block;
  }
  .courses a{
    font-size: larger;
    text-decoration: none;
  }
  
  .courses {
    padding: 40px 0;
    background-color: #f5f5f5;
  }
  
  .course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    grid-gap: 30px;
  }
  
  .course-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
  }
  
  .course-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
  }
  
  .course-card p {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
  }
  
  .btn {
    display: inline-block;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
  }
  
  .btn:hover {
    background-color: #0056b3;
  }
  .button {
    height: 50px;
    width: 150px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease-in-out;
  }
  
  .button:hover {
    box-shadow: .5px .5px 150px #252525;
  }
  
  .type1::after {
    content: "Now ";
    height: 50px;
    width: 150px;
    background-color: #008080;
    color: #fff;
    position: absolute;
    top: 0%;
    left: 0%;
    transform: translateY(50px);
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s ease-in-out;
  }
  
  .type1::before {
    content: "Enroll ";
    height: 50px;
    width: 150px;
    background-color: #506fe2;
    color: #fefefe;
    position: absolute;
    top: 0%;
    left: 0%;
    transform: translateY(0px) scale(1.2);
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s ease-in-out;
  }
  
  .type1:hover::after {
    transform: translateY(0) scale(1.2);
  }
  
  .type1:hover::before {
    transform: translateY(-50px) scale(0) rotate(120deg);
  }
/* Define keyframes for animation */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Apply animation to the attendance container */
.attendance-container {
  animation: fadeIn 1s ease-in-out;
}

/* Style for the attendance header */
.attendance-header {
  font-size: 24px;
  text-align: center;
  margin-bottom: 20px;
}

/* Style for the attendance subheader */
.attendance-subheader {
  font-size: 18px;
  text-align: center;
  margin-bottom: 10px;
}

/* Style for the attendance form */
.attendance-form {
  text-align: center;
}

/* Style for the attendance label */
.attendance-label {
  font-size: 16px;
}

/* Style for the attendance input */
.attendance-input {
  width: 200px;
  height: 30px;
  margin-bottom: 10px;
}

/* Style for the attendance button */
.attendance-button {
  width: 220px;
  height: 40px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

/* Hover effect for the attendance button */
.attendance-button:hover {
  background-color: #45a049;
}

/* Style for the attendance result */
.attendance-result {
  font-size: 18px;
  margin-top: 20px;
}
.form-container {
  /* background: linear-gradient(#212121, #212121) padding-box, */
    /* linear-gradient(120deg, transparent 25%, #1cb0ff, #40ff99) border-box; */
  border: 2px solid transparent;
  padding: 32px 24px;
  font-size: 14px;
  color: black;
  /* display: flex; */
  /* flex-direction: column; */
  gap: 20px;
  box-sizing: border-box;
  border-radius: 16px;
  width: 50%;
}

.heading {
  font-size: 20px;
  font-weight: 600;
}

.form-input {
  background: transparent;
  border: 1px solid #414141;
  border-radius: 5px;
  padding: 8px;
  outline: none;
}

button {
  border-radius: 5px;
  padding: 6px;
  background: #ffffff14;
  color: #c7c5c5;
  border: 1px solid #414141;
}

button:hover {
  background: #212121;
  cursor: pointer;
  color: white;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  color: #414141;
  position: relative;
}


.form-group input:focus ~ label,
.form-group input:valid ~ label {
  top: -16px;
  left: 0;
  background: white padding-box;
  padding: 10px 0 0 0;
  color: #bdb8b8;

  font-size: 12px;
}
.attendance-head{
  display: flex;
  justify-content: center;
}

.container {
  /* -webkit-backdrop-filter: blur(16px) saturate(180%); */
  background-color: rgba(251, 251, 251, 0.244);
  border-radius: 12px;
  border: 1px solid rgba(49, 98, 172, 0.3);
  max-width: 500px;
  margin-top: 10px;
  margin: 0 auto;
  padding: 20px;
  border: 1px solid #ccc;
  border-radius: 50px;
}
h1{
  text-align: center;

}

.attendance-form{
  width: 50%;
  display: flex;
  flex-direction: column;

}
#attendance{
  display: flex;
    justify-content: center;
    flex-wrap: wrap;
    align-content: center;
    flex-direction: column;
}
.attendanceform{
  width: 50%;
}
#cgpa{
  justify-content: center;
  align-content: center;
}
.attendance-dropdown select {
  padding: 5px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 30px;
  width: 1000%;
  max-width: 300px; /* Adjust width as needed */
  box-sizing: border-box;
  margin-bottom: 10px;
}
.concept-map {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  border: 1px solid #ccc;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.search-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  background-color: #f0f0f0;
  border-bottom: 1px solid #ccc;
}

.search-bar input[type="search"] {
  width: 70%;
  padding: 10px;
  font-size: 16px;
  border: 1px solid #ccc;
}

.search-bar button[type="button"] {
  width: 20%;
  padding: 10px;
  font-size: 16px;
  background-color: #4CAF50;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.search-bar button[type="button"]:hover {
  background-color: #3e8e41;
}

.pdf-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.pdf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.pdf-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  cursor: pointer;
}

.pdf-link img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 5px;
}

.pdf-link h4 {
  font-size: 16px;
  margin-top: 5px;
}

.pdf-link:hover {
  background-color: #f0f0f0;
}#concept-map {
  padding: 20px;
}

.search-bar {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.search-input {
  padding: 8px 12px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 4px;
  width: 300px;
}

.search-button {
  background-color: #4CAF50;
  color: white;
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 10px;
}

.pdf-container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-gap: 20px;
}

.pdf-item {
  text-align: center;
}

.pdf-thumbnail {
  width: 100px;
  height: 150px;
  background-color: #f1f1f1;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  font-weight: bold;
}

.pdf-title {
  margin-top: 10px;
  font-size: 14px;
}

.pdf-link {
  text-decoration: none;
  color: #333;
}
.pdf-thumbnail {
  width: 100px;
  height: 100px;
  background-image: linear-gradient(to left, #4CAF50, #dce1d6);
  background-size: 200px 100px;
  background-position: 0% 0%;
  animation: gradient 10s ease-in-out infinite;
}

@keyframes gradient {
  0% {
    background-position: 0% 0%;
  }
  50% {
    background-position: 100% 0%;
  }
  100% {
    background-position: 0% 0%;
  }
}
#concept-map{
  padding-top: 3%;
}