/**
 * Mention Styles
 * Styles for mention dropdown and mention links
 */

/* Mention Dropdown Container */
.mention-dropdown {
  position: fixed;
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  max-height: 300px;
  max-width: 300px;
  overflow-y: auto;
  animation: slideDown 0.15s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Individual mention suggestion item */
.mention-dropdown-item {
  padding: 10px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  border: none;
  background: none;
  width: 100%;
  transition: background-color 0.15s ease;
}

.mention-dropdown-item:hover,
.mention-dropdown-item.active {
  background-color: #f5f5f5;
}

.mention-dropdown-item:focus {
  outline: 2px solid #0066cc;
  outline-offset: -2px;
}

.mention-dropdown-item:first-child {
  border-radius: 6px 6px 0 0;
}

.mention-dropdown-item:last-child {
  border-radius: 0 0 6px 6px;
}

/* Avatar in dropdown */
.mention-dropdown-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

/* User info in dropdown */
.mention-dropdown-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.mention-dropdown-name {
  font-weight: 500;
  font-size: 14px;
  color: #333;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mention-dropdown-username {
  font-size: 12px;
  color: #666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Course mention item styles */
.mention-dropdown-course-icon {
  font-size: 18px;
  flex-shrink: 0;
  width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mention-dropdown-course-category {
  font-size: 12px;
  color: #999;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Everyone mention item styles */
.mention-dropdown-everyone-icon {
  font-size: 18px;
  flex-shrink: 0;
  width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mention-dropdown-everyone-note {
  font-size: 12px;
  color: #999;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Message state styles */
.mention-dropdown-message {
  padding: 12px 12px;
  text-align: center;
  color: #999;
  font-size: 13px;
  cursor: default;
}

.mention-dropdown-message:hover {
  background-color: transparent;
}

/* Mention Link Styles */
a.mention {
  color: #0066cc;
  text-decoration: none;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s ease;
  word-break: break-word;
}

a.mention:hover {
  color: #004499;
  text-decoration: underline;
}

a.mention:focus {
  outline: 2px solid #0066cc;
  outline-offset: 2px;
}

/* Mention in editor (contenteditable) */
.ce-paragraph [data-mention] {
  background-color: rgba(0, 102, 204, 0.1);
  color: #0066cc;
  font-weight: 500;
  padding: 2px 4px;
  border-radius: 3px;
}

/* Mobile responsiveness */
@media (max-width: 480px) {
  .mention-dropdown {
    max-width: 250px;
  }

  .mention-dropdown-item {
    padding: 8px 10px;
  }

  .mention-dropdown-avatar {
    width: 28px;
    height: 28px;
  }

  .mention-dropdown-name {
    font-size: 13px;
  }

  .mention-dropdown-username {
    font-size: 11px;
  }
}

/* Scrollbar styling for the dropdown */
.mention-dropdown::-webkit-scrollbar {
  width: 6px;
}

.mention-dropdown::-webkit-scrollbar-track {
  background: transparent;
}

.mention-dropdown::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 3px;
}

.mention-dropdown::-webkit-scrollbar-thumb:hover {
  background: #999;
}

/* Firefox scrollbar */
.mention-dropdown {
  scrollbar-width: thin;
  scrollbar-color: #ccc transparent;
}

/* Accessibility: High contrast mode support */
@media (prefers-contrast: more) {
  .mention-dropdown {
    border-width: 2px;
  }

  a.mention {
    text-decoration: underline;
  }
}

/* Accessibility: Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .mention-dropdown {
    animation: none;
  }

  .mention-dropdown-item {
    transition: none;
  }

  a.mention {
    transition: none;
  }
}