.optimization-section {
  width: 100%;
  background: var(--bg-secondary);
  border: 0.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  margin-bottom: 4px;
}

.optimization-header {
  padding: 12px 16px;
  border-bottom: 0.5px solid var(--separator);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.optimization-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.optimization-title svg {
  color: var(--accent-blue);
}

.optimization-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.optimization-item {
  background: var(--bg-tertiary);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.2s ease;
}

.optimization-item.level-success {
  border-left: 3px solid var(--accent-green);
}

.optimization-item.level-warning {
  border-left: 3px solid var(--accent-orange);
}

.optimization-item.level-danger {
  border-left: 3px solid var(--accent-red);
}

.optimization-item.level-info {
  border-left: 3px solid var(--accent-blue);
}

.optimization-item-header {
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.optimization-item-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.optimization-item-level-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.level-success .optimization-item-level-dot {
  background: var(--accent-green);
}

.level-warning .optimization-item-level-dot {
  background: var(--accent-orange);
}

.level-danger .optimization-item-level-dot {
  background: var(--accent-red);
}

.level-info .optimization-item-level-dot {
  background: var(--accent-blue);
}

.optimization-item-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.optimization-item-metric {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.optimization-item-summary {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 0 12px 10px;
  line-height: 1.5;
}

.optimization-item-actions {
  padding: 0 12px 12px;
}

.optimization-item-actions-title {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-bottom: 6px;
  font-weight: 500;
}

.optimization-action-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.optimization-action-list li {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 3px 0 3px 14px;
  position: relative;
  line-height: 1.4;
}

.optimization-action-list li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-blue);
  opacity: 0.5;
}

.optimization-expand-icon {
  display: none;
}

/* 综合评分特殊样式 */
.optimization-item.overall {
  background: linear-gradient(135deg, rgba(10, 132, 255, 0.1), rgba(191, 90, 242, 0.08));
}

.optimization-item.overall .optimization-item-title {
  font-weight: 600;
}

.optimization-score {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-blue);
  margin-right: 4px;
}