/* Hacker Theme - Black & Green */
* {
  font-weight: bold; /* Make all fonts thicker */
}

body {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  background-color: #000000;
  color: #00ff00;
  margin: 0;
  padding: 0;
  font-weight: bold;
}

#root {
  max-width: 100%;
  margin: 0;
  padding: 0;
  text-align: center;
  background-color: #000000;
}

.home-button{
  position: fixed;
  top: 0;
  left: 0;
  margin: 0;
  padding: 1rem;
  text-align: left;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #000000;
  border-bottom: 2px solid #00ff00;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 255, 0, 0.3);
}

.home-title{
  padding: 0;
  margin: 0;
  font-size: 1.8rem;
  color: #00ff00;
  font-weight: bold;
}

.home-title-link {
  text-decoration: none;
  color: inherit;
}

.home-button a {
  margin-right: 2%;
  color: #00ff00;
  font-size: 1rem;
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid #00ff00;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.home-button a:hover {
  color: #000000;
  background-color: #00ff00;
  box-shadow: 0 0 15px #00ff00;
}

.home-title:hover{
  color: #000000;
}
.sidebar {
  position: fixed;
  top: 80px;
  left: 0;
  width: 280px;
  height: calc(100vh - 80px);
  background-color: #000000;
  border-right: 2px solid #00ff00;
  padding: 1rem;
  overflow-y: auto;
  z-index: 999;
  box-shadow: 2px 0 10px rgba(0, 255, 0, 0.2);
}

.sidebar::-webkit-scrollbar {
  width: 0px;
  background: transparent;
}

.dropdown-container {
  width: 100%;
  margin-bottom: 1rem;
}

.dropdown-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background-color: #111111;
  color: #00ff00;
  cursor: pointer;
  border: 1px solid #00ff00;
  border-radius: 4px;
  transition: all 0.3s ease;
  font-weight: bold;
}

.dropdown-header:hover {
  background-color: #001a00;
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

.arrow {
  transition: transform 0.3s;
  font-size: 12px;
  color: #00ff00;
}

.arrow.open {
  transform: rotate(180deg);
}

.dropdown-content {
  background-color: #111111;
  border: 1px solid #00ff00;
  border-top: none;
  border-radius: 0 0 4px 4px;
  margin-top: 0;
  box-shadow: 0 4px 15px rgba(0, 255, 0, 0.3);
}

.lesson-item {
  padding: 10px 16px;
  color: #00cc00;
  cursor: pointer;
  border-bottom: 1px solid #003300;
  transition: all 0.3s ease;
  text-decoration: none;
  display: block;
}

.lesson-item:hover {
  background-color: #002200;
  color: #00ff00;
}

.lesson-item:last-child {
  border-bottom: none;
}

.main-content {
  margin-left: 300px;
  margin-top: 100px;
  padding: 2rem;
  text-align: left;
  background-color: #000000;
  color: #00ff00;
  min-height: calc(100vh - 100px);
}

.main-content h2 {
  color: #00ff00;
  font-size: 2rem;
  border-bottom: 2px solid #00ff00;
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.main-content p {
  color: #00cc00;
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 15px;
  font-weight: bold;
}

.lesson-content {
  margin-top: 20px;
}

.markdown-content {
  background-color: #111111;
  border: 1px solid #00ff00;
  border-radius: 8px;
  padding: 20px;
  color: #00ff00;
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-x: auto;
  font-weight: bold;
}

.welcome-info {
  margin-top: 30px;
  padding: 20px;
  background-color: #111111;
  border: 1px solid #00ff00;
  border-radius: 8px;
}

.welcome-info h3 {
  color: #00ff00;
  margin-bottom: 15px;
  font-weight: bold;
}

.welcome-info ul {
  list-style: none;
  padding: 0;
}

.welcome-info li {
  color: #00cc00;
  margin-bottom: 10px;
  padding: 8px;
  background-color: #001a00;
  border-radius: 4px;
  font-weight: bold;
}

@media (max-width: 768px) {
  .sidebar {
    width: 200px;
  }
  
  .main-content {
    margin-left: 220px;
  }
  
  .home-title {
    font-size: 1.4rem;
  }
}
