/**
 * sidebar.css - Sidebar Component
 *
 * Styles for the persistent sidebar including:
 * - Avatar, name, tagline
 * - Navigation links and active state
 * - Social/external links
 * - Responsive collapse on small screens
 */

/* Sidebar */
.sidebar {
  width: 260px;
  min-width: 260px;
  background: #f6f8fa;
  border-right: 1px solid #e1e4e8;
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-profile {
  text-align: center;
  margin-bottom: 2rem;
}

.sidebar-avatar {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid #e1e4e8;
  margin-bottom: 1rem;
  transform: translateZ(0);
}

.sidebar-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 0.25rem;
}

.sidebar-tagline {
  font-size: 0.85rem;
  color: #57606a;
  line-height: 1.4;
}

.sidebar-nav {
  margin-bottom: auto;
}

.sidebar-nav ul {
  list-style: none;
}

.sidebar-nav li {
  margin-bottom: 0.25rem;
}

.sidebar-nav a {
  display: block;
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  color: #333;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.15s;
}

.sidebar-nav a:hover {
  background: #e1e4e8;
  color: #0969da;
}

.sidebar-nav a.active {
  background: #dbeafe;
  color: #0969da;
  font-weight: 600;
}

.sidebar-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  padding-top: 1.5rem;
  border-top: 1px solid #e1e4e8;
  margin-top: 1.5rem;
}

.sidebar-links a {
  color: #57606a;
  text-decoration: none;
  font-size: 0.85rem;
}

.sidebar-links a:hover {
  color: #0969da;
}

/* Responsive: collapse sidebar on small screens */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    min-width: unset;
    height: auto;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    padding: 1rem;
    gap: 1rem;
  }
  .sidebar-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0;
    text-align: left;
  }
  .sidebar-avatar {
    width: 48px;
    height: 48px;
    margin-bottom: 0;
  }
  .sidebar-nav ul {
    display: flex;
    gap: 0.5rem;
  }
  .sidebar-links {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
  }
}