/* ========================================
   可步行性专家评价工具 - 主布局样式
   ======================================== */

/* ===== 基础重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

/* ===== CSS变量定义 ===== */
:root {
  /* 默认层级颜色 (indigo/violet) */
  --level-primary: #6366f1;
  --level-secondary: #8b5cf6;
  --level-light: #eef2ff;
  --level-dark: #4338ca;
}

/* 通达性层级颜色 (blue) */
body[data-level="accessibility"] {
  --level-primary: #3b82f6;
  --level-secondary: #1d4ed8;
  --level-light: #eff6ff;
  --level-dark: #1e40af;
}

/* 安全性层级颜色 (red) */
body[data-level="safety"] {
  --level-primary: #ef4444;
  --level-secondary: #b91c1c;
  --level-light: #fef2f2;
  --level-dark: #991b1b;
}

/* 舒适性层级颜色 (green) */
body[data-level="comfort"] {
  --level-primary: #10b981;
  --level-secondary: #047857;
  --level-light: #ecfdf5;
  --level-dark: #065f46;
}

/* 愉悦性层级颜色 (violet) */
body[data-level="pleasantness"] {
  --level-primary: #8b5cf6;
  --level-secondary: #6d28d9;
  --level-light: #f5f3ff;
  --level-dark: #5b21b6;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== 字体引入 ===== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

/* ===== 应用容器 ===== */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===== 顶部导航栏 ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

.header-inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 24px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
}

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

.header-title i {
  font-size: 28px;
  background: var(--level-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-title h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-800);
  letter-spacing: -0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 知识图谱按钮 */
.knowledge-graph-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.knowledge-graph-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.knowledge-graph-btn i {
  font-size: 14px;
}

/* ===== 层级导航 ===== */
.level-nav {
  padding: 12px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.level-tabs {
  flex: 1;
}

/* ===== 控制栏 ===== */
.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

.controls-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.controls-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ===== 主内容区域 ===== */
.main-content {
  flex: 1;
  max-width: 1600px;
  margin: 0 auto;
  padding: 24px;
  width: 100%;
}

/* ===== 欢迎页面 V2 ===== */
.welcome-screen-v2 {
  position: relative;
  min-height: calc(100vh - 200px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  overflow: hidden;
}

/* 背景装饰 */
.welcome-bg-decoration {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.welcome-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.5;
}

.welcome-circle-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -200px;
  background: radial-gradient(circle, var(--level-light) 0%, transparent 70%);
  animation: float1 20s ease-in-out infinite;
}

.welcome-circle-2 {
  width: 400px;
  height: 400px;
  bottom: -100px;
  left: -100px;
  background: radial-gradient(circle, var(--level-light) 0%, transparent 70%);
  animation: float2 15s ease-in-out infinite;
}

.welcome-circle-3 {
  width: 300px;
  height: 300px;
  top: 50%;
  left: 10%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  animation: float3 18s ease-in-out infinite;
}

@keyframes float1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, 30px) scale(1.05); }
}

@keyframes float2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -20px) scale(1.1); }
}

@keyframes float3 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(10px, 10px); }
}

/* 主内容 */
.welcome-content {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  width: 100%;
}

/* 标题区 */
.welcome-header {
  text-align: center;
  margin-bottom: 48px;
}

.welcome-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--level-light);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--level-primary);
  margin-bottom: 20px;
}

.welcome-badge i {
  font-size: 14px;
}

.welcome-screen-v2 .welcome-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  background: var(--level-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-desc {
  font-size: 16px;
  color: var(--gray-500);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

/* 当前层级 */
.welcome-current-level {
  text-align: center;
  margin-bottom: 40px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 16px;
  border: 1px solid var(--gray-200);
}

.level-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
}

.level-badge-accessibility {
  background: var(--accessibility-light);
  color: var(--accessibility-dark);
}

.level-badge-safety {
  background: var(--safety-light);
  color: var(--safety-dark);
}

.level-badge-comfort {
  background: var(--comfort-light);
  color: var(--comfort-dark);
}

.level-badge-pleasantness {
  background: var(--pleasantness-light);
  color: var(--pleasantness-dark);
}

.level-desc {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto;
}

/* 步骤卡片 */
.welcome-steps-v2 {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
}

.step-card {
  flex: 1;
  max-width: 280px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  padding: 28px 24px;
  border: 1px solid var(--gray-200);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--level-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--level-primary);
}

.step-card:hover::before {
  opacity: 1;
}

.step-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  position: relative;
}

.step-number-ring {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--level-gradient);
  color: white;
  border-radius: 50%;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

.step-card-icon .fa-layer-group,
.step-card-icon .fa-images,
.step-card-icon .fa-clipboard-check {
  display: none;
}

.step-card:hover .step-number-ring {
  transform: scale(1.15);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.step-card-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 10px;
  text-align: center;
}

.step-card-content p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.7;
  text-align: center;
}

/* 步骤连接器 */
.step-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 60px;
  color: var(--gray-300);
}

.step-connector-line {
  width: 2px;
  height: 20px;
  background: linear-gradient(to bottom, var(--gray-200), var(--gray-300));
  margin-bottom: 8px;
}

.step-connector i {
  font-size: 12px;
  color: var(--gray-300);
}

/* 上传区域 V2 */
.welcome-upload-v2 {
  margin-bottom: 32px;
}

.upload-zone-v2 {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 64px;
  background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(249,250,251,0.95) 100%);
  border: 2px dashed var(--gray-300);
  border-radius: 24px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.upload-zone-v2::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--level-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.upload-zone-v2:hover {
  border-color: var(--level-primary);
  transform: scale(1.01);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.upload-zone-v2:hover::before,
.upload-zone-v2.drag-over::before {
  opacity: 0.03;
}

/* 拖拽悬停状态 */
.upload-zone-v2.drag-over {
  border-color: var(--level-primary);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  transform: scale(1.02);
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
}

.upload-zone-v2.drag-over .upload-zone-icon {
  transform: scale(1.2) rotate(-10deg);
  background: var(--level-gradient);
}

.upload-zone-v2.drag-over .upload-zone-icon i {
  color: white;
}

/* 页面拖拽遮罩 */
body.drag-active::after {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(99, 102, 241, 0.1);
  z-index: 9998;
  pointer-events: none;
  animation: fadeIn 0.2s ease;
}

body.drag-active .upload-zone-v2 {
  border-color: var(--level-primary);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.upload-zone-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--level-light);
  border-radius: 24px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.upload-zone-v2:hover .upload-zone-icon {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.upload-zone-icon i {
  font-size: 36px;
  color: var(--level-primary);
}

.upload-zone-text {
  text-align: center;
  margin-bottom: 16px;
}

.upload-zone-text h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 6px;
}

.upload-zone-text p {
  font-size: 14px;
  color: var(--gray-500);
}

.upload-zone-hint {
  display: flex;
  gap: 24px;
  font-size: 12px;
  color: var(--gray-400);
}

.upload-zone-hint span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.upload-zone-hint i {
  font-size: 11px;
  color: var(--level-primary);
}

/* 快捷操作 */
.welcome-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.action-btn-secondary {
  background: white;
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}

.action-btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
  transform: translateY(-2px);
}

/* 底部状态 */
.welcome-footer {
  position: absolute;
  bottom: 24px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.footer-status {
  pointer-events: auto;
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

.status-online {
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
}

.status-offline {
  background: rgba(59, 130, 246, 0.1);
  color: #2563eb;
}

/* 动画关键帧 */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(30px);
  }
}

/* 原始欢迎页面（保留兼容） */
.welcome-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
}

.welcome-icon {
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--level-light);
  border-radius: 24px;
  margin-bottom: 24px;
}

.welcome-icon i {
  font-size: 48px;
  background: var(--level-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-screen .welcome-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 12px;
}

.welcome-subtitle {
  font-size: 16px;
  color: var(--gray-500);
  margin-bottom: 32px;
  max-width: 500px;
}

.welcome-upload-zones {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  width: 100%;
  max-width: 700px;
}

/* ===== 单页视图 ===== */
.single-view {
  display: flex;
  gap: 0;
  height: calc(100vh - 140px);
  overflow: hidden;
  padding: 16px;
}

/* 浏览模式：左右各50% */
.single-view.browse-mode {
  /* 默认50/50分屏 */
}

/* 打分模式：左60% 右40% */
.single-view.rate-mode {
  /* 默认60/40分屏 */
}

/* 左侧面板基础样式 */
.single-view-left {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 0;
  min-width: 200px;
  max-width: 80%;
  background: transparent;
  overflow: hidden;
  flex: 0 0 60%; /* 默认60%（打分模式） */
}

/* 浏览模式左侧50% */
.single-view.browse-mode .single-view-left {
  flex: 0 0 50%;
}

/* 打分模式左侧60%（确保覆盖默认值） */
.single-view.rate-mode .single-view-left {
  flex: 0 0 60%;
}

/* 右侧面板基础样式 */
.single-view-right {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 0;
  min-width: 280px;
  max-width: 80%;
  background: transparent;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 16px 0 0;
  flex: 1 1 40%; /* 填充剩余空间 */
}

/* 浏览模式右侧50% */
.single-view.browse-mode .single-view-right {
  flex: 1 1 50%;
}

/* 打分模式右侧40% */
.single-view.rate-mode .single-view-right {
  flex: 1 1 40%;
}

/* 分割条样式 */
.view-divider {
  width: 8px;
  background: var(--gray-100);
  cursor: col-resize;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s ease;
}

.view-divider:hover {
  background: var(--gray-200);
}

.divider-handle {
  width: 4px;
  height: 40px;
  background: var(--gray-400);
  border-radius: 2px;
}

.view-divider:hover .divider-handle {
  background: var(--gray-500);
}

.single-view-left #referencePanel,
.single-view-left > #referencePanel,
#referencePanel {
  background: white !important;
  border-radius: 12px;
  overflow: hidden;
  flex: 0 0 auto;
  max-height: 35%;
  min-height: 80px;
}

/* 参考面板内部容器 - 内容超出时滚动 */
#referencePanel .reference-panel {
  max-height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

#referencePanel .reference-panel.expanded .reference-content {
  max-height: 250px;
  overflow-y: auto;
}

/* 参考面板滚动条样式 */
#referencePanel .reference-content::-webkit-scrollbar {
  width: 6px;
}

#referencePanel .reference-content::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: 3px;
}

#referencePanel .reference-content::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 3px;
}

/* 确保 reference-inner 有正确的背景 */
.reference-inner {
  background: #f9fafb !important;
  padding: 16px;
  line-height: 1.5;
  overflow-x: auto;
}

/* 自定义滚动条 */
.single-view-right::-webkit-scrollbar {
  width: 6px;
}

.single-view-right::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: 3px;
}

.single-view-right::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 3px;
}

.single-view-right::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ===== 图像展示区 ===== */
.image-viewer {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  min-height: 0;
  min-width: 0;
}

/* 打分模式下图像查看器保持最小高度 */
.single-view.rate-mode .image-viewer {
  min-height: 55%;
  flex: 1 1 55%;
}

.image-viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
}

.image-viewer-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.image-viewer-zoom {
  display: flex;
  align-items: center;
  gap: 8px;
}

.zoom-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: var(--gray-100);
  border: none;
  color: var(--gray-600);
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s ease;
}

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

.zoom-level {
  font-size: 12px;
  color: var(--gray-500);
  min-width: 40px;
  text-align: center;
}

.image-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-900);
  position: relative;
  overflow: hidden;
  min-height: 0;
}

.image-container img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
}

.image-placeholder i {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.image-placeholder p {
  font-size: 16px;
}

.image-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-top: 1px solid var(--gray-100);
  background: var(--gray-50);
}

.image-nav-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--gray-600);
}

.image-nav-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.image-counter {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  padding: 0 12px;
}

/* ===== 参考数据区 ===== */
.reference-panel {
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--gray-200);
  overflow: hidden;
  flex: 0 0 auto;
  max-height: 35%;
  min-height: 0;
}

.reference-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08));
  cursor: pointer;
  transition: background 0.2s ease;
}

.reference-header:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(139, 92, 246, 0.12));
}

.reference-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
}

.reference-title i {
  color: var(--level-primary);
}

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

.reference-panel.expanded .reference-toggle {
  transform: rotate(180deg);
}

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

.reference-panel.expanded .reference-content {
  max-height: 500px;
  overflow-y: auto;
}

.reference-inner {
  padding: 16px;
  background: #f9fafb;
  line-height: 1.5;
  overflow-x: auto;
}

/* ===== 评价面板 ===== */
.rating-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: white;
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.rating-section {
  background: var(--white);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.rating-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.rating-section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 8px;
}

.rating-section-title i {
  color: var(--level-primary);
}

/* ===== 画册视图 ===== */
.gallery-view {
  height: calc(100vh - 200px);
  display: flex;
  flex-direction: column;
}

.gallery-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.gallery-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  align-content: start;
  overflow-y: auto;
  padding: 4px;
}

/* ===== 编辑模式 ===== */
.editor-view {
  max-width: 900px;
  margin: 0 auto;
}

.editor-section {
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.editor-section-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.editor-section-title i {
  color: var(--level-primary);
}

.editor-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-200);
  margin-top: 20px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
  .single-view {
    flex-direction: column;
  }

  .single-view-left {
    flex: 0 0 auto !important;
    height: 50%;
  }

  .single-view-right {
    flex: 1 !important;
    min-height: 300px;
  }

  .view-divider {
    width: 100%;
    height: 8px;
    cursor: row-resize;
  }

  .divider-handle {
    width: 40px;
    height: 4px;
  }
}

@media (max-width: 992px) {
  .single-view {
    flex-direction: column;
    height: auto;
    min-height: calc(100vh - 140px);
  }

  .single-view-left {
    flex: 0 0 auto !important;
    height: 50%;
    min-height: 300px;
  }

  .single-view-right {
    flex: 1 !important;
    max-height: none;
    min-height: 400px;
  }

  .header-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .level-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .controls-bar {
    flex-direction: column;
    gap: 12px;
  }

  .controls-left,
  .controls-right {
    width: 100%;
    justify-content: center;
  }
}

/* ===== 浏览视图样式 ===== */
.browse-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 60px;
  z-index: 90;
}

.browse-controls-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.browse-controls-center {
  display: flex;
  align-items: center;
  gap: 12px;
}

.browse-controls-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.image-counter {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  background: var(--gray-100);
  padding: 6px 12px;
  border-radius: 6px;
}

.nav-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--gray-700);
}

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

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

.browse-view {
  display: flex;
  height: calc(100vh - 140px);
  overflow: hidden;
}

.browse-left {
  flex: 0 0 50%;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  background: var(--gray-50);
  overflow: hidden;
}

.browse-image-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: auto;
}

.browse-image {
  max-width: 100%;
  max-height: calc(100vh - 250px);
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.browse-image-name {
  margin-top: 16px;
  font-size: 14px;
  color: var(--gray-600);
  background: var(--white);
  padding: 8px 16px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.browse-divider {
  width: 6px;
  background: var(--gray-200);
  cursor: col-resize;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.browse-divider:hover {
  background: var(--level-primary);
}

.divider-handle {
  width: 4px;
  height: 40px;
  background: var(--gray-400);
  border-radius: 2px;
}

.browse-divider:hover .divider-handle {
  background: var(--white);
}

.browse-right {
  flex: 1;
  min-width: 300px;
  background: var(--white);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.model-output-panel {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 24px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.model-output-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--gray-400);
}

.model-output-empty i {
  font-size: 48px;
  margin-bottom: 16px;
}

.model-output-empty p {
  font-size: 16px;
}

.model-output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}

.model-output-header h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 8px;
}

.model-output-header h3 i {
  color: var(--level-primary);
}

.model-output-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.output-section {
  background: var(--gray-50);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.output-section-header {
  padding: 12px 16px;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: 8px;
}

.output-section-header i {
  color: var(--level-primary);
  font-size: 14px;
}

.output-section-body {
  padding: 16px;
}

.rating-badge {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

.rating-很好 { background: #dcfce7; color: #166534; }
.rating-较好 { background: #d1fae5; color: #047857; }
.rating-中等 { background: #fef3c7; color: #92400e; }
.rating-较差 { background: #fed7aa; color: #c2410c; }
.rating-很差 { background: #fecaca; color: #b91c1c; }

.issue-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.issue-tag {
  display: inline-block;
  padding: 6px 12px;
  background: var(--level-gradient);
  color: white;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 500;
}

/* 要素识别可视化样式 */
.element-category {
  margin-bottom: 16px;
  background: var(--gray-50);
  border-radius: 10px;
  overflow: hidden;
}

.element-category-header {
  padding: 10px 14px;
  background: linear-gradient(135deg, var(--level-primary) 0%, var(--level-secondary) 100%);
  color: white;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.element-category-header i {
  font-size: 14px;
}

.element-category-body {
  padding: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.element-item {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  font-size: 13px;
  color: var(--gray-700);
  transition: all 0.2s ease;
}

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

.element-item-detailed {
  width: 100%;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.element-item-detailed:last-child {
  margin-bottom: 0;
  box-shadow: none;
}

/* 头部行：名称 + 状态 */
.element-item-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--gray-100);
}

.element-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-800);
}

.element-status {
  font-size: 11px;
  padding: 3px 8px;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 10px;
}

/* 属性行 */
.element-row {
  display: flex;
  align-items: flex-start;
  gap: 4px 8px 0;
  font-size: 12px;
}

.element-label {
  flex-shrink: 0;
  min-width: 50px;
  color: var(--gray-500);
}

.element-value {
  color: var(--gray-700);
  line-height: 1.5;
  flex: 1;
}

.element-desc {
  display: block;
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.5;
}

.no-data {
  color: var(--gray-400);
  font-size: 14px;
  text-align: center;
  padding: 20px;
}

/* 打分模式的要素识别面板 */
.model-output-content.rate-mode {
  padding: 0;
}

.model-output-content.rate-mode .output-section {
  margin: 0;
  border: none;
  border-radius: 0;
  background: white;
}

.model-output-content.rate-mode .output-section-header {
  display: none;
}

.model-output-content.rate-mode .output-section-body {
  padding: 16px;
}

.element-json {
  background: var(--gray-100);
  padding: 12px;
  border-radius: 8px;
  font-size: 12px;
  font-family: 'Monaco', 'Menlo', monospace;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 300px;
  overflow-y: auto;
}

/* 要素识别可视化样式 */
.element-recognition-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 维度标题 - 使用层级颜色 */
.element-dimension-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
}

/* 层级颜色 */
[data-level="accessibility"] .element-dimension-header {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

[data-level="safety"] .element-dimension-header {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
}

[data-level="comfort"] .element-dimension-header {
  background: linear-gradient(135deg, #10b981, #047857);
}

[data-level="pleasantness"] .element-dimension-header {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
}

.element-dimension-header i {
  font-size: 16px;
}

/* 表格容器 */
.element-table-container {
  overflow-x: auto;
  width: 100%;
}

/* 要素表格 */
.element-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  table-layout: fixed;
}

.element-table thead {
  background: #f1f5f9;
}

.element-table th {
  padding: 12px 14px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: #475569;
  border-bottom: 2px solid #cbd5e1;
}

.element-table th.col-name {
  width: 25%;
}

.element-table th.col-position {
  width: 15%;
}

.element-table th.col-desc {
  width: 60%;
}

/* 表格行 - 确保使用表格行显示模式 */
.element-table tbody tr,
.element-table tbody tr.element-row {
  display: table-row;
  border-bottom: 1px solid #e5e7eb;
}

.element-table tbody tr:hover {
  background-color: #f8fafc;
}

.element-table tbody tr:last-child {
  border-bottom: none;
}

/* 所有单元格通用样式 - 确保使用表格单元格显示模式 */
.element-table td,
.element-table td.element-name-cell,
.element-table td.element-position-cell,
.element-table td.element-desc-cell {
  display: table-cell;
  padding: 12px;
  vertical-align: top;
  font-size: 13px;
  word-break: break-word;
  box-sizing: border-box;
}

/* 名称单元格 */
td.element-name-cell {
  width: 25%;
}

.element-name-cell .inner {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  text-align: left;
}

.element-number {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 600;
}

/* 层级颜色 */
[data-level="accessibility"] .element-number {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

[data-level="safety"] .element-number {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
}

[data-level="comfort"] .element-number {
  background: linear-gradient(135deg, #10b981, #047857);
}

[data-level="pleasantness"] .element-number {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
}

.element-name-text {
  font-size: 14px;
  font-weight: 600;
  color: #1f2937;
  line-height: 1.4;
  flex: 1;
}

/* 位置单元格 - 明确设置宽度 */
td.element-position-cell {
  width: 15%;
  color: #475569;
}

/* 描述单元格 - 明确设置宽度 */
td.element-desc-cell {
  width: 60%;
  color: #6b7280;
  line-height: 1.6;
}

/* 无数据提示 */
.no-element-data {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 30px;
  color: #9ca3af;
  font-size: 14px;
}

.no-element-data i {
  font-size: 20px;
}

.diagnosis-text,
.optimization-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray-700);
  white-space: pre-wrap;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

/* 浏览视图响应式 */
@media (max-width: 768px) {
  .browse-controls {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 16px;
  }

  .browse-controls-left,
  .browse-controls-center,
  .browse-controls-right {
    width: 100%;
    justify-content: center;
  }

  .browse-view {
    flex-direction: column;
    height: auto;
  }

  .browse-left,
  .browse-right {
    flex: none;
    width: 100%;
    min-height: 50vh;
  }

  .browse-divider {
    width: 100%;
    height: 6px;
    cursor: row-resize;
  }

  .browse-image {
    max-height: 40vh;
  }
}
  .main-content {
    padding: 16px;
  }

  .level-tabs {
    flex-wrap: wrap;
  }

  .level-tab {
    flex: 1;
    min-width: 80px;
    justify-content: center;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .header-title h1 {
    font-size: 16px;
  }

  .welcome-upload-zones {
    grid-template-columns: 1fr;
  }

  .scale-buttons {
    flex-direction: column;
  }

  .scale-btn {
    width: 100%;
  }
}

/* 快速加载横幅 */
.welcome-quick-load {
  margin-bottom: 24px;
}

.quick-load-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(249, 250, 251, 0.98) 100%);
  border: 2px solid var(--level-primary);
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  position: relative;
  overflow: hidden;
}

.quick-load-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--level-gradient);
}

.quick-load-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--level-light);
  border-radius: 14px;
  flex-shrink: 0;
}

.quick-load-icon i {
  font-size: 24px;
  color: var(--level-primary);
}

.quick-load-info {
  flex: 1;
}

.quick-load-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.quick-load-info p {
  font-size: 14px;
  color: var(--gray-500);
}

.quick-load-info strong {
  color: var(--level-primary);
  font-weight: 700;
}

.quick-load-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--level-gradient);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

.quick-load-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}

.quick-load-btn i {
  font-size: 14px;
}

/* 数据已存在横幅 */
.welcome-data-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(34, 197, 94, 0.05) 100%);
  border: 2px solid #22c55e;
  border-radius: 16px;
  margin-bottom: 24px;
}

.data-banner-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 197, 94, 0.2);
  border-radius: 14px;
  flex-shrink: 0;
}

.data-banner-icon i {
  font-size: 24px;
  color: #16a34a;
}

.data-banner-info {
  flex: 1;
}

.data-banner-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.data-banner-info p {
  font-size: 14px;
  color: var(--gray-600);
}

.data-banner-info strong {
  color: #16a34a;
  font-weight: 700;
}

.data-banner-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* 欢迎页面 V2 响应式 */
@media (max-width: 992px) {
  .welcome-steps-v2 {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .step-card {
    max-width: 100%;
    width: 100%;
  }

  .step-connector {
    width: auto;
    height: 40px;
    flex-direction: row;
    transform: rotate(90deg);
  }

  .step-connector-line {
    width: 20px;
    height: 2px;
    margin-bottom: 0;
    margin-right: 8px;
  }

  .welcome-screen-v2 .welcome-title {
    font-size: 28px;
  }
}

@media (max-width: 768px) {
  .welcome-screen-v2 {
    padding: 24px 16px;
  }

  .welcome-screen-v2 .welcome-title {
    font-size: 24px;
  }

  .welcome-desc {
    font-size: 14px;
  }

  .upload-zone-v2 {
    padding: 32px 24px;
  }

  .welcome-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .action-btn {
    justify-content: center;
  }
}

/* ===== 评分标准按钮 ===== */
.rating-standards-btn-container {
  margin-bottom: 16px;
  text-align: right;
}

.rating-standards-btn-container .btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: white;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 13px;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.2s ease;
}

.rating-standards-btn-container .btn-outline:hover {
  background: var(--level-light);
  border-color: var(--level-primary);
  color: var(--level-primary);
}

/* ===== 评分标准侧边面板 ===== */
.standards-side-panel {
  position: fixed;
  top: 0;
  right: -450px;
  width: 450px;
  height: 100vh;
  background: white;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
}

.standards-side-panel.show {
  right: 0;
}

.standards-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: linear-gradient(135deg, #4F46E5, #7C3AED);
  color: white;
  flex-shrink: 0;
}

.standards-panel-header h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.standards-close-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  transition: background 0.2s ease;
}

.standards-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* 评分标准面板控制按钮组 */
.standards-panel-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.standards-toggle-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  transition: all 0.2s ease;
}

.standards-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* 评分标准面板折叠状态 */
.standards-side-panel.collapsed {
  width: 48px;
  min-width: 48px;
}

.standards-side-panel.collapsed .standards-panel-header h3,
.standards-side-panel.collapsed .standards-panel-content,
.standards-side-panel.collapsed .standards-close-btn {
  display: none;
}

.standards-side-panel.collapsed .standards-panel-controls {
  flex-direction: column;
  padding: 8px 0;
}

.standards-side-panel.collapsed .standards-toggle-btn {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.3);
}

.standards-panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  line-height: 1.8;
  color: var(--gray-700);
}

/* 评分标准内容容器 */
.standards-content {
  line-height: 1.8;
  color: var(--gray-700);
}

.standards-content > *:first-child {
  margin-top: 0;
}

.standards-content > *:last-child {
  margin-bottom: 0;
}

/* 分隔线样式增强 */
.standards-divider {
  border: none;
  border-top: 2px solid var(--gray-200);
  margin: 20px 0;
  clear: both;
}

/* 评分标准内容容器 */
.standards-content {
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray-700);
}

.standards-content > *:first-child {
  margin-top: 0;
}

.standards-content > *:last-child {
  margin-bottom: 0;
}

.standards-loading,
.standards-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--gray-400);
  gap: 12px;
}

.standards-error {
  color: var(--gray-500);
}

.standards-loading i,
.standards-error i {
  font-size: 32px;
}

/* 评分标准内容样式 */
.standards-paragraph {
  margin-bottom: 16px;
}

.standards-h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-800);
  margin: 20px 0 16px 0;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gray-200);
}

.standards-h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-700);
  margin: 20px 0 12px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-200);
}

.standards-h3 {
  font-size: 16px;
  font-weight: 600;
  color: #4f46e5;
  margin: 20px 0 10px 0;
}

.standards-h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin: 16px 0 8px 0;
}

.standards-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 13px;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.standards-table th {
  background: var(--gray-100);
  padding: 12px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  border-bottom: 2px solid var(--gray-200);
}

.standards-table td {
  padding: 12px;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: top;
}

.standards-table tr:last-child td {
  border-bottom: none;
}

.standards-table tr:hover td {
  background: var(--gray-50);
}

.standards-divider {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 24px 0;
}

.standards-warning {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.1));
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 16px 0;
  font-size: 13px;
  color: #92400e;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.standards-warning i {
  color: #f59e0b;
  margin-top: 2px;
}

/* ===== 知识图谱弹出窗口 ===== */
.knowledge-graph-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.knowledge-graph-modal.show {
  opacity: 1;
  visibility: visible;
}

.knowledge-graph-container {
  width: 90%;
  max-width: 900px;
  height: 85vh;
  background: white;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.knowledge-graph-modal.show .knowledge-graph-container {
  transform: scale(1);
}

.knowledge-graph-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
  border-radius: 16px 16px 0 0;
  flex-shrink: 0;
}

.knowledge-graph-header h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.knowledge-graph-close-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 8px;
  color: white;
  cursor: pointer;
  font-size: 18px;
  transition: background 0.2s ease;
}

.knowledge-graph-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.knowledge-graph-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  line-height: 1.8;
  color: var(--gray-700);
}

/* 知识图谱层级标题 */
.kg-level-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  border-radius: 12px;
  margin: 24px 0 16px 0;
  font-size: 16px;
  font-weight: 600;
}

.kg-level-header[data-level="accessibility"] {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.kg-level-header[data-level="safety"] {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
}

.kg-level-header[data-level="comfort"] {
  background: linear-gradient(135deg, #10b981, #047857);
}

.kg-level-header[data-level="pleasantness"] {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
}

.kg-level-header:first-child {
  margin-top: 0;
}

.kg-dimension-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: #f1f5f9;
  color: #374151;
  border-radius: 8px;
  margin: 16px 0 12px 0;
  font-size: 14px;
  font-weight: 600;
}

.kg-dimension-meaning {
  background: var(--gray-50);
  border-left: 3px solid #6366f1;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--gray-600);
  border-radius: 0 8px 8px 0;
}

.kg-elements-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 13px;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.kg-elements-table th {
  background: var(--gray-100);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  font-size: 12px;
}

.kg-elements-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: top;
}

.kg-elements-table tr:last-child td {
  border-bottom: none;
}

.kg-element-code {
  display: inline-block;
  background: #eef2ff;
  color: #4f46e5;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.kg-main-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-800);
  text-align: center;
  padding: 20px 0;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--gray-200);
}

.kg-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin: 16px 0 8px 0;
  padding: 8px 12px;
  background: var(--gray-100);
  border-radius: 6px;
}

.kg-section-title i {
  color: #6366f1;
}

/* 知识图谱响应式 */
@media (max-width: 768px) {
  .standards-side-panel {
    width: 100%;
    right: -100%;
  }

  .knowledge-graph-container {
    width: 95%;
    height: 90vh;
  }

  .knowledge-graph-header {
    padding: 16px;
  }

  .knowledge-graph-content {
    padding: 16px;
  }
}

/* ===== 导出对话框 ===== */
.export-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  animation: fadeIn 0.2s ease;
}

.export-modal {
  background: white;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 420px;
  overflow: hidden;
  animation: slideUp 0.3s ease;
}

.export-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
}

.export-modal-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 8px;
  color: white;
  cursor: pointer;
  transition: background 0.2s ease;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.export-modal-body {
  padding: 24px;
}

.export-option-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 12px;
}

.export-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.export-option {
  display: block;
  cursor: pointer;
}

.export-option input[type="radio"] {
  display: none;
}

.export-option-content {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: 12px;
  transition: all 0.2s ease;
}

.export-option-content i {
  font-size: 24px;
  color: var(--gray-400);
  transition: color 0.2s ease;
}

.export-option-content .fa-file-excel {
  color: #217346;
}

.export-option-content .fa-file-code {
  color: #f5a623;
}

.export-option-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-800);
}

.export-option-desc {
  display: block;
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 2px;
}

.export-option input[type="radio"]:checked + .export-option-content {
  border-color: #6366f1;
  background: #eef2ff;
}

.export-option input[type="radio"]:checked + .export-option-content .export-option-title {
  color: #4f46e5;
}

.export-option:hover .export-option-content {
  border-color: #c7d2fe;
  background: #f8fafc;
}

.export-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
}

/* 危险按钮样式 */
.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  border: none;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* 警告按钮样式 */
.btn-warning {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  border: none;
}

.btn-warning:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

/* Toast提示样式 */
.toast-success {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 10002;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: slideDown 0.3s ease, fadeOut 0.3s ease 1.7s forwards;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateX(-50%) translateY(-10px);
  }
}

/* 欢迎页状态卡片 */
.welcome-status-card {
  background: white;
  border-radius: 16px;
  padding: 20px;
  margin: 20px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
}

.welcome-status-card .status-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #10b981;
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 12px;
}

.welcome-status-card .status-card-header i {
  font-size: 20px;
}

.welcome-status-card .status-card-body {
  display: flex;
  gap: 24px;
}

.welcome-status-card .status-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #64748b;
  font-size: 14px;
}

.welcome-status-card .status-item i {
  color: #94a3b8;
}

.welcome-status-card .status-item strong {
  color: #1e293b;
}

.welcome-status-card .status-card-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e2e8f0;
}

.status-action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: white;
  color: #64748b;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.status-action-btn:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: #475569;
}

.status-action-btn i {
  font-size: 14px;
}

.status-action-btn-danger {
  color: #ef4444;
  border-color: #fecaca;
}

.status-action-btn-danger:hover {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #dc2626;
}

/* 欢迎页模式选择器 */
.welcome-mode-selector {
  background: white;
  border-radius: 16px;
  padding: 24px;
  margin: 20px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
}

.welcome-mode-selector h3 {
  margin: 0 0 16px 0;
  font-size: 16px;
  color: #1e293b;
  display: flex;
  align-items: center;
  gap: 8px;
}

.welcome-mode-selector h3::before {
  content: '';
  width: 4px;
  height: 20px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-radius: 2px;
}

.welcome-mode-selector .mode-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.welcome-mode-selector .mode-option {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.welcome-mode-selector .mode-option:hover {
  border-color: #c7d2fe;
  background: #fafafa;
}

.welcome-mode-selector .mode-option.active {
  border-color: #6366f1;
  background: linear-gradient(135deg, #eef2ff, #faf5ff);
}

.welcome-mode-selector .mode-option-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.welcome-mode-selector .mode-option:nth-child(1) .mode-option-icon {
  background: linear-gradient(135deg, #10b981, #059669);
}

.welcome-mode-selector .mode-option:nth-child(1) .mode-option-icon i {
  color: white;
  font-size: 20px;
}

.welcome-mode-selector .mode-option:nth-child(2) .mode-option-icon {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.welcome-mode-selector .mode-option:nth-child(2) .mode-option-icon i {
  color: white;
  font-size: 20px;
}

.welcome-mode-selector .mode-option-content {
  flex: 1;
}

.welcome-mode-selector .mode-option-content h4 {
  margin: 0 0 4px 0;
  font-size: 15px;
  color: #1e293b;
}

.welcome-mode-selector .mode-option-content p {
  margin: 0;
  font-size: 13px;
  color: #64748b;
}

.welcome-mode-selector .mode-option-check {
  font-size: 20px;
  color: #d1d5db;
}

.welcome-mode-selector .mode-option.active .mode-option-check {
  color: #6366f1;
}

.welcome-enter-btn {
  width: 100%;
  padding: 14px 24px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
}

.welcome-enter-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.welcome-enter-btn i {
  font-size: 14px;
}

/* 图像编号样式 */
.image-number {
  display: inline-block;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
  min-width: 28px;
  text-align: center;
}

.image-card-name .image-number {
  font-size: 11px;
  padding: 1px 6px;
  margin-right: 6px;
  min-width: 24px;
}