/* ============================================================
   FluidLab AI — AI诊断报告样式 (BEM命名, fl-前缀)
   报告弹窗、知识点掌握可视化、操作分析、改进建议
   ============================================================ */

/* 报告弹窗遮罩 */
.fl-diagnosis-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.fl-diagnosis-overlay--visible {
  opacity: 1;
}

/* 报告弹窗 */
.fl-diagnosis-report {
  width: 90%;
  max-width: 640px;
  max-height: 85vh;
  background: rgba(14, 18, 28, 0.98);
  border: 1px solid rgba(0, 242, 255, 0.2);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  transform: scale(0.9);
  transition: transform 0.3s;
}

.fl-diagnosis-overlay--visible .fl-diagnosis-report {
  transform: scale(1);
}

/* 报告头部 */
.fl-diagnosis-report__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(0, 242, 255, 0.08), transparent);
  border-bottom: 1px solid rgba(0, 242, 255, 0.1);
  flex-shrink: 0;
}

.fl-diagnosis-report__title {
  font-size: 18px;
  font-weight: 600;
  color: #00f2ff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.fl-diagnosis-report__actions {
  display: flex;
  gap: 8px;
}

.fl-diagnosis-report__btn {
  padding: 4px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
  color: #94a3b8;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.fl-diagnosis-report__btn:hover {
  border-color: rgba(0, 242, 255, 0.3);
  color: #00f2ff;
}

.fl-diagnosis-report__btn--close:hover {
  border-color: rgba(255, 77, 77, 0.3);
  color: #ff4d4d;
}

/* 报告内容区 */
.fl-diagnosis-report__body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 242, 255, 0.15) transparent;
}

.fl-diagnosis-report__body::-webkit-scrollbar {
  width: 4px;
}

.fl-diagnosis-report__body::-webkit-scrollbar-thumb {
  background: rgba(0, 242, 255, 0.15);
  border-radius: 2px;
}

/* 得分概览 */
.fl-diagnosis-score {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px;
  background: rgba(0, 242, 255, 0.04);
  border: 1px solid rgba(0, 242, 255, 0.1);
  border-radius: 12px;
  margin-bottom: 20px;
}

.fl-diagnosis-score__value {
  font-size: 36px;
  font-weight: 700;
  color: #00f2ff;
  line-height: 1;
}

.fl-diagnosis-score__max {
  font-size: 16px;
  color: #64748b;
  margin-left: 4px;
}

.fl-diagnosis-score__info {
  flex: 1;
}

.fl-diagnosis-score__label {
  font-size: 12px;
  color: #64748b;
  margin-bottom: 4px;
}

.fl-diagnosis-score__type {
  font-size: 14px;
  color: #94a3b8;
}

/* 区块标题 */
.fl-diagnosis-section {
  margin-bottom: 24px;
}

.fl-diagnosis-section__title {
  font-size: 15px;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* 知识点掌握可视化 */
.fl-mastery-item {
  margin-bottom: 12px;
}

.fl-mastery-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.fl-mastery-item__name {
  font-size: 13px;
  color: #e2e8f0;
}

.fl-mastery-item__value {
  font-size: 12px;
  color: #94a3b8;
  font-weight: 500;
}

.fl-mastery-item__bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.fl-mastery-item__fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 掌握度颜色映射 */
.fl-mastery-item__fill--unknown { background: #64748b; }
.fl-mastery-item__fill--weak { background: #ff4d4d; }
.fl-mastery-item__fill--fair { background: #ff9f43; }
.fl-mastery-item__fill--good { background: #00f2ff; }
.fl-mastery-item__fill--excellent { background: #00e676; }

.fl-mastery-item__status {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 500;
  margin-left: 6px;
}

.fl-mastery-item__status--unknown { background: rgba(100, 116, 139, 0.2); color: #64748b; }
.fl-mastery-item__status--weak { background: rgba(255, 77, 77, 0.15); color: #ff4d4d; }
.fl-mastery-item__status--fair { background: rgba(255, 159, 67, 0.15); color: #ff9f43; }
.fl-mastery-item__status--good { background: rgba(0, 242, 255, 0.15); color: #00f2ff; }
.fl-mastery-item__status--excellent { background: rgba(0, 230, 118, 0.15); color: #00e676; }

.fl-mastery-item__evidence {
  font-size: 11px;
  color: #64748b;
  margin-top: 2px;
  line-height: 1.4;
}

/* 操作分析 */
.fl-operation-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.fl-operation-stat {
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  text-align: center;
}

.fl-operation-stat__value {
  font-size: 22px;
  font-weight: 700;
  color: #00f2ff;
  line-height: 1;
}

.fl-operation-stat__label {
  font-size: 11px;
  color: #64748b;
  margin-top: 4px;
}

.fl-operation-stat--warning .fl-operation-stat__value {
  color: #ff9f43;
}

.fl-operation-stat--error .fl-operation-stat__value {
  color: #ff4d4d;
}

/* 规范性得分 */
.fl-norm-score {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(0, 242, 255, 0.04);
  border-radius: 8px;
  margin-bottom: 12px;
}

.fl-norm-score__label {
  font-size: 13px;
  color: #94a3b8;
}

.fl-norm-score__bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.fl-norm-score__fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s ease;
}

.fl-norm-score__value {
  font-size: 14px;
  font-weight: 600;
  color: #00f2ff;
}

/* 改进建议列表 */
.fl-suggestion-item {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid rgba(0, 242, 255, 0.3);
  border-radius: 0 8px 8px 0;
  margin-bottom: 8px;
}

.fl-suggestion-item--high {
  border-left-color: #ff4d4d;
}

.fl-suggestion-item--medium {
  border-left-color: #ff9f43;
}

.fl-suggestion-item--low {
  border-left-color: #00f2ff;
}

.fl-suggestion-item__title {
  font-size: 13px;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.fl-suggestion-item__category {
  font-size: 10px;
  padding: 1px 6px;
  background: rgba(0, 242, 255, 0.1);
  border-radius: 4px;
  color: #00f2ff;
}

.fl-suggestion-item__desc {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.5;
  margin-bottom: 4px;
}

.fl-suggestion-item__action {
  font-size: 12px;
  color: #00f2ff;
  cursor: pointer;
}

.fl-suggestion-item__action:hover {
  text-decoration: underline;
}

/* 推荐关卡 */
.fl-recommendation-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.fl-recommendation-card {
  flex: 1;
  min-width: 140px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(0, 242, 255, 0.06), rgba(0, 242, 255, 0.02));
  border: 1px solid rgba(0, 242, 255, 0.15);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.fl-recommendation-card:hover {
  border-color: rgba(0, 242, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 242, 255, 0.1);
}

.fl-recommendation-card__id {
  font-size: 11px;
  color: #64748b;
}

.fl-recommendation-card__title {
  font-size: 13px;
  font-weight: 600;
  color: #00f2ff;
  margin: 2px 0 4px;
}

.fl-recommendation-card__reason {
  font-size: 11px;
  color: #94a3b8;
  line-height: 1.4;
}

/* AI摘要 */
.fl-diagnosis-ai-summary {
  padding: 14px;
  background: linear-gradient(135deg, rgba(0, 242, 255, 0.06), transparent);
  border: 1px solid rgba(0, 242, 255, 0.1);
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: #e2e8f0;
  margin-bottom: 20px;
}

.fl-diagnosis-ai-summary::before {
  content: '🤖 AI摘要';
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: #00f2ff;
  margin-bottom: 8px;
}

/* 加载状态 */
.fl-diagnosis-loading {
  text-align: center;
  padding: 40px;
  color: #64748b;
}

.fl-diagnosis-loading__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(0, 242, 255, 0.1);
  border-top-color: #00f2ff;
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: fl-spin 0.8s linear infinite;
}

@keyframes fl-spin {
  to { transform: rotate(360deg); }
}

/* 移动端适配 */
@media (max-width: 768px) {
  .fl-diagnosis-report {
    width: 95%;
    max-height: 90vh;
    border-radius: 12px;
  }

  .fl-operation-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .fl-diagnosis-score__value {
    font-size: 28px;
  }
}