dialog#difficulty_dialog {
  padding: 0;
  border: none;
  outline: none;
  border-radius: var(--radius-lg);
  max-width: 700px;
  width: calc(100% - 2rem);
  max-height: 90vh;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  background: var(--bg-secondary);
  color: var(--fg-primary);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
}

dialog#difficulty_dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
}

.modal-content {
  background: var(--bg-secondary);
  color: var(--fg-primary);
  border-radius: var(--radius-lg);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--fg-secondary);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

.modal-close:hover {
  background: var(--bg-tertiary);
}

.modal-body {
  padding: 1.5rem;
}

.modal-description {
  margin-bottom: 1.5rem;
}

.comparison-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.comparison-icon {
  font-size: 1.1rem;
}

.comparison-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--bg-tertiary);
}

.comparison-game-info {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.comparison-game-cover {
  width: 60px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.comparison-buttons {
  display: flex;
  gap: 0.5rem;
}

.comparison-btn {
  flex: 1;
  padding: 0.75rem;
  background: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--fg-primary);
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.comparison-btn:hover {
  border-color: var(--blue);
  background: var(--bg-secondary);
}

.comparison-btn.selected {
  border-color: var(--blue);
  background: rgba(122, 162, 247, 0.1);
  color: var(--blue);
}

.modal-footer {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}