/* ========================================
   可步行性专家评价工具 - 组件样式
   ======================================== */

/* ===== 层级标签页 ===== */
.level-tabs {
  display: flex;
  gap: 8px;
  padding: 4px;
  background: var(--gray-100);
  border-radius: 12px;
}

.level-tab {
  position: relative;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-600);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 8px;
}

.level-tab:hover {
  background: var(--white);
  color: var(--gray-800);
}

.level-tab.active {
  background: var(--level-gradient);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.level-tab i {
  font-size: 14px;
}

/* ===== 模式/视图切换 ===== */
.mode-switcher, .view-switcher {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--gray-200);
  border-radius: 8px;
}

.mode-btn, .view-btn {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-btn:hover, .view-btn:hover {
  color: var(--gray-800);
}

.mode-btn.active, .view-btn.active {
  background: var(--white);
  color: var(--gray-800);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* ===== 量表按钮组 ===== */
.scale-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.scale-btn {
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--white);
  border: 2px solid var(--gray-200);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 70px;
  text-align: center;
}

.scale-btn:hover {
  border-color: var(--level-primary);
  color: var(--level-primary);
  transform: translateY(-1px);
}

.scale-btn.selected {
  background: var(--level-gradient);
  border-color: var(--level-primary);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

/* ===== 多选标签 ===== */
.checkbox-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.checkbox-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 20px;
  font-size: 14px;
  color: var(--gray-700);
  background: var(--white);
  border: 2px solid var(--gray-200);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.checkbox-tag:hover {
  border-color: var(--level-primary);
  background: var(--level-light);
}

.checkbox-tag.checked {
  background: var(--level-light);
  border-color: var(--level-primary);
  color: var(--level-dark);
}

.checkbox-tag i {
  font-size: 12px;
  color: var(--gray-400);
  transition: all 0.2s ease;
}

.checkbox-tag.checked i {
  color: var(--level-primary);
}

/* ===== 可折叠说明 ===== */
.collapsible {
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 12px;
}

.collapsible-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--gray-50);
  cursor: pointer;
  transition: all 0.2s ease;
}

.collapsible-header:hover {
  background: var(--gray-100);
}

.collapsible-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
}

.collapsible-title i {
  font-size: 12px;
  color: var(--gray-400);
}

.collapsible-arrow {
  font-size: 12px;
  color: var(--gray-400);
  transition: transform 0.3s ease;
}

.collapsible.expanded .collapsible-arrow {
  transform: rotate(180deg);
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.collapsible.expanded .collapsible-content {
  max-height: 500px;
}

.collapsible-inner {
  padding: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-600);
  background: var(--white);
  border-top: 1px solid var(--gray-200);
}

/* ===== 进度条 ===== */
.progress-container {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 200px;
}

.progress-bar {
  flex: 1;
  min-width: 100px;
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--level-gradient);
  border-radius: 4px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-600);
  white-space: nowrap;
}

/* ===== 卡片 ===== */
.card {
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
}

.card-body {
  padding: 20px;
}

/* ===== 评价卡片 ===== */
.rating-card {
  background: var(--white);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--gray-200);
  transition: all 0.2s ease;
}

.rating-card:hover {
  border-color: var(--gray-300);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.rating-card.completed {
  border-left: 4px solid var(--level-primary);
}

.rating-question {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 12px;
}

/* ===== 图像卡片（画册视图） ===== */
.image-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: var(--gray-100);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  aspect-ratio: 4/3;
}

.image-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.image-card:hover img {
  transform: scale(1.05);
}

.image-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: var(--white);
}

.image-card-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.image-card-status.rated {
  background: rgba(34, 197, 94, 0.9);
}

.image-card-status.unrated {
  background: rgba(156, 163, 175, 0.9);
}

/* 图像卡片名称 */
.image-card-name {
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  font-size: 11px;
  font-weight: 500;
  border-radius: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  z-index: 2;
}

/* 评价结果显示 */
.image-card-rating {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: rgba(99, 102, 241, 0.9);
  color: white;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  margin-left: 6px;
}

/* 参考数据摘要（浏览模式） */
.card-ref-summary {
  display: block;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.4;
  max-height: 2.8em;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-ref-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(34, 197, 94, 0.9);
  color: white;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.card-no-ref {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(156, 163, 175, 0.9);
  color: white;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
}

.btn-primary {
  background: var(--level-gradient);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background: var(--white);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.btn-icon {
  padding: 10px;
  min-width: 40px;
}

/* ===== 导航按钮 ===== */
.nav-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-btn:hover:not(:disabled) {
  background: var(--gray-50);
  border-color: var(--gray-300);
  color: var(--gray-800);
}

.nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ===== 保存状态提示 ===== */
.save-status {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.save-status.visible {
  opacity: 1;
  transform: translateY(0);
}

.save-status i {
  font-size: 12px;
}

/* ===== 文件上传区域 ===== */
.upload-zone {
  border: 2px dashed var(--gray-300);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--gray-50);
}

.upload-zone:hover {
  border-color: var(--level-primary);
  background: var(--level-light);
}

.upload-zone.dragover {
  border-color: var(--level-primary);
  background: var(--level-light);
  transform: scale(1.01);
}

.upload-zone i {
  font-size: 48px;
  color: var(--gray-300);
  margin-bottom: 16px;
}

.upload-zone p {
  color: var(--gray-600);
  font-size: 14px;
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.pagination-btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--gray-50);
  border-color: var(--gray-300);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-info {
  font-size: 14px;
  color: var(--gray-600);
  padding: 0 16px;
}

/* ===== 选择框 ===== */
.select-wrapper {
  position: relative;
  display: inline-block;
}

.select-wrapper select {
  appearance: none;
  padding: 8px 36px 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  background: var(--white);
  border: 1px solid var(--gray-200);
  cursor: pointer;
  transition: all 0.2s ease;
}

.select-wrapper select:hover {
  border-color: var(--gray-300);
}

.select-wrapper select:focus {
  outline: none;
  border-color: var(--level-primary);
  box-shadow: 0 0 0 3px var(--level-light);
}

.select-wrapper::after {
  content: '\f107';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--gray-400);
  font-size: 12px;
}

/* ===== 工具提示 ===== */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 8px 12px;
  background: var(--gray-800);
  color: var(--white);
  font-size: 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
}

.tooltip:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

/* ===== 评分标准编辑器 ===== */
.scale-editor {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.scale-editor-item {
  text-align: center;
}

.scale-editor-label {
  display: block;
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 6px;
}

.scale-editor-input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 14px;
  text-align: center;
  transition: all 0.2s ease;
}

.scale-editor-input:focus {
  outline: none;
  border-color: var(--level-primary);
  box-shadow: 0 0 0 3px var(--level-light);
}

/* ===== 问题编辑器 ===== */
.question-editor {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
}

.question-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.question-editor-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.question-editor-number {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--level-primary);
  color: var(--white);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 600;
}

.question-editor-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-800);
}

.question-editor-actions {
  display: flex;
  gap: 4px;
}

.question-editor-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: transparent;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  transition: all 0.2s ease;
}

.question-editor-btn:hover {
  background: var(--gray-200);
  color: var(--gray-600);
}

.question-editor-btn.delete:hover {
  background: #fee2e2;
  color: #dc2626;
}

.question-editor-body {
  padding: 16px;
}

.question-editor-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.question-editor-row label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 4px;
}

.question-editor-row input,
.question-editor-row textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.2s ease;
}

.question-editor-row input:focus,
.question-editor-row textarea:focus {
  outline: none;
  border-color: var(--level-primary);
  box-shadow: 0 0 0 3px var(--level-light);
}

.question-type-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.question-type-btn {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--gray-100);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.question-type-btn:hover {
  background: var(--gray-200);
}

.question-type-btn.active {
  background: var(--level-light);
  color: var(--level-dark);
}

/* ===== 动画 ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-fade-in {
  animation: fadeIn 0.3s ease;
}

.animate-slide-up {
  animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}