body {
  background-color: #f8f9fa;
  min-height: 100vh;
}

.card {
  border: none;
  border-radius: 10px;
}

.navbar {
  margin-bottom: 0;
}

.challenge-card {
  transition: transform 0.2s;
}

.challenge-card:hover {
  transform: translateY(-5px);
}

.challenge-locked {
  opacity: 0.6;
}

.challenge-solved {
  border-left: 4px solid #28a745;
}

.challenge-available {
  border-left: 4px solid #007bff;
}

.badge-prerequisite {
  font-size: 0.75rem;
}

.hint-container {
  background-color: #fff3cd;
  border-left: 4px solid #ffc107;
  padding: 15px;
  margin: 10px 0;
  border-radius: 5px;
}

.hint-viewed {
  background-color: #e9ecef;
  border-left-color: #6c757d;
}

/* Markdown content styling */
.markdown-content {
  line-height: 1.6;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.markdown-content h1 {
  font-size: 1.75rem;
  border-bottom: 2px solid #dee2e6;
  padding-bottom: 0.5rem;
}

.markdown-content h2 {
  font-size: 1.5rem;
  border-bottom: 1px solid #dee2e6;
  padding-bottom: 0.5rem;
}

.markdown-content h3 {
  font-size: 1.25rem;
}

.markdown-content p {
  margin-bottom: 1rem;
}

.markdown-content ul,
.markdown-content ol {
  margin-bottom: 1rem;
  padding-left: 2rem;
}

.markdown-content li {
  margin-bottom: 0.5rem;
}

.markdown-content code {
  background-color: #f8f9fa;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  color: #e83e8c;
}

.markdown-content pre {
  background-color: #f8f9fa;
  padding: 1rem;
  border-radius: 5px;
  overflow-x: auto;
  margin-bottom: 1rem;
}

.markdown-content pre code {
  background-color: transparent;
  padding: 0;
  color: inherit;
  font-size: 0.875rem;
}

.markdown-content blockquote {
  border-left: 4px solid #007bff;
  padding-left: 1rem;
  margin-left: 0;
  margin-bottom: 1rem;
  color: #6c757d;
  font-style: italic;
}

.markdown-content a {
  color: #007bff;
  text-decoration: none;
}

.markdown-content a:hover {
  text-decoration: underline;
}

.markdown-content img {
  max-width: 100%;
  height: auto;
  border-radius: 5px;
  margin: 1rem 0;
}

.markdown-content table {
  width: 100%;
  margin-bottom: 1rem;
  border-collapse: collapse;
}

.markdown-content table th,
.markdown-content table td {
  padding: 0.75rem;
  border: 1px solid #dee2e6;
}

.markdown-content table th {
  background-color: #f8f9fa;
  font-weight: 600;
}

.markdown-content hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid #dee2e6;
}

.markdown-content strong {
  font-weight: 600;
}

.markdown-content em {
  font-style: italic;
}

/* Scoreboard styling */
.scoreboard-rank {
  font-size: 1.2rem;
  font-weight: bold;
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 123, 255, 0.05);
}

.scoreboard-medal {
  font-size: 2rem;
}

#scoreboardBody tr {
  transition: transform 0.2s;
}

#scoreboardBody tr:hover {
  transform: translateX(5px);
}