body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  background-color: #121212;
  color: #e5e5e5;
}
.container {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 15%;
  background-color: #1a1a1a;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
}
.sidebar h2 {
  color: #00ffff;
}
.linker {
  color: #00ffff;
  text-decoration: none;
}
.linker:hover {
  color: #00bbff;
}
.nav-links {
  list-style: none;
  padding: 0;
}
.nav-links li {
  margin: 10px 0;
}
.nav-links a {
  text-decoration: none;
  color: #e5e5e5;
  transition: color 0.3s ease, transform 0.3s ease;
}
.nav-links a:hover {
  color: #ff7f50;
  transform: translateX(10px);
}
.focus-box {
  background-color: #282828;
  padding: 15px;
  border-radius: 8px;
  margin-top: auto;
}
.focus-box h3 {
  color: #00ffff;
}
main {
  flex: 1;
  padding: 20px;
}
.header {
  text-align: center;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #00ffff, #ff7f50);
  padding: 20px;
  color: #121212;
  border-radius: 8px;
}
.content-section h2 {
  color: #00ffff;
}
.content-section {
  margin-bottom: 40px;
}
.assignments-container {
  display: flex;
  gap: 20px;
}
.assignment-card {
  background-color: #1e1e1e;
  padding: 20px;
  border-radius: 10px;
  flex: 1;
  transition: transform 0.3s ease, background-color 0.3s ease;
}
.assignment-card:hover {
  transform: scale(1.05);
  background-color: #00ffff;
  color: #121212;
}
.footer {
  background-color: #1e1e1e;
  padding: 20px;
  color: #e5e5e5;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.contact-form input,
.contact-form textarea {
  padding: 10px;
  border-radius: 5px;
  border: none;
  background-color: #282828;
  color: #e5e5e5;
}
.btn-submit {
  background-color: #00ffff;
  color: #121212;
  border: none;
  padding: 10px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.btn-submit:hover {
  background-color: #ff7f50;
}