/* 移动端新布局 - 左上立方体 + 底部上拉栏 */

/* 默认隐藏移动端元素（桌面端不显示） */
.mobile-view-cube,
.mobile-bottom-bar,
.mobile-drawer,
.mobile-drawer-backdrop {
  display: none !important;
}

/* 移动端样式（屏幕宽度小于等于768px时显示） */
@media (max-width: 768px) {
  .mobile-view-cube {
    display: block !important;
    position: fixed;
    left: 12px;
    top: 60px;
    width: 80px;
    height: 80px;
    z-index: 100;
    background: rgba(26,26,46,0.85);
    border: 1px solid rgba(42,42,74,0.6);
    border-radius: 12px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,102,255,0.1);
  }

  .cube-container {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateX(-20deg) rotateY(30deg) scale(0.85);
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
  }

  .cube-container:active {
    cursor: grabbing;
  }

  .cube-face {
    position: absolute;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1a3a6c 0%, #0d1f3d 100%);
    border: 1px solid #0066FF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.1), 0 2px 4px rgba(0,0,0,0.3);
  }

  .cube-face:active, .cube-face.active {
    background: linear-gradient(135deg, #0066FF 0%, #0044aa 100%);
    border-color: #00d2ff;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2), 0 0 10px rgba(0,102,255,0.5);
  }

  .cube-face.front { transform: translateZ(20px); left: 20px; top: 20px; }
  .cube-face.back { transform: rotateY(180deg) translateZ(20px); left: 20px; top: 20px; }
  .cube-face.left { transform: rotateY(-90deg) translateZ(20px); left: 0px; top: 20px; }
  .cube-face.right { transform: rotateY(90deg) translateZ(20px); left: 40px; top: 20px; }
  .cube-face.top { transform: rotateX(90deg) translateZ(20px); left: 20px; top: 0px; }
  .cube-face.bottom { transform: rotateX(-90deg) translateZ(20px); left: 20px; top: 40px; }

  .mobile-bottom-bar {
    display: block !important;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(26,26,46,0.98), rgba(26,26,46,0.95));
    border-top: 1px solid rgba(42,42,74,0.8);
    z-index: 150;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    /* 默认一行高度 */
    height: auto;
    min-height: 70px;
    transition: min-height 0.3s ease;
  }

  /* 展开为两行 */
  .mobile-bottom-bar.expanded {
    min-height: 140px;
  }

  /* 底部安全区域 */
  .mobile-bottom-bar::after {
    content: '';
    display: block;
    height: env(safe-area-inset-bottom, 0px);
  }

  .mobile-bar-handle {
    width: 32px;
    height: 3px;
    background: #4a4a6a;
    border-radius: 2px;
    margin: 6px auto;
  }

  .mobile-bar-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 8px 2px 4px;
    gap: 3px;
    max-height: 130px;
    overflow-y: auto;
    transition: max-height 0.3s ease;
  }

  /* 收起状态：只显示一行，隐藏滚动条 */
  .mobile-bar-tabs:not(.expanded) {
    max-height: 52px;
    overflow-y: hidden;
  }

  .mobile-bar-tabs::-webkit-scrollbar {
    display: none;
  }

  .mobile-bar-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    padding: 4px 2px;
    color: #a0a8b8;
    font-size: 8px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(42,42,74,0.4);
    min-width: 40px;
    flex-shrink: 0;
    white-space: nowrap;
    border-radius: 6px;
    transition: all 0.2s ease;
    cursor: pointer;
  }

  .mobile-bar-tab i {
    font-size: 13px;
    margin-bottom: 0;
  }

  .mobile-bar-tab:active {
    background: rgba(0,102,255,0.15);
    color: #00d2ff;
    transform: scale(0.95);
  }

  .mobile-bar-tab.active {
    color: #00d2ff;
    background: rgba(0,102,255,0.1);
  }

  /* 移动端爆炸按钮样式 */
  #mobile-btn-explode {
    color: #a0a8b8;
  }

  #mobile-btn-explode:hover {
    background: rgba(255, 107, 107, 0.15);
    color: #ff6b6b;
  }

  #mobile-btn-explode.active {
    background: rgba(255, 107, 107, 0.2);
    border-color: rgba(255, 107, 107, 0.5);
    color: #ff6b6b;
  }

  #mobile-btn-explode.active i {
    animation: explode-pulse-mobile 1s ease-in-out infinite;
  }

  @keyframes explode-pulse-mobile {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
  }

  /* 抽屉 - 紧挨底部工具栏按钮上方 */
  .mobile-drawer {
    display: block !important;
    position: fixed;
    left: 50%;
    right: auto;
    bottom: 55px;  /* 紧挨按钮图标上方，不遮挡按钮 */
    transform: translateX(-50%) translateY(calc(100% + 55px));  /* 完全隐藏：移动自身高度+底部偏移 */
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 160;  /* 高于底部工具栏(150)，可遮挡手柄 */
    max-height: 40vh;
    width: 300px;
    max-width: 90vw;
    background: #1a1a2e;
    border-radius: 12px;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    border: 1px solid #3a3a5a;
  }

  .mobile-drawer.visible {
    transform: translateX(-50%) translateY(0);  /* 显示：回到原位 */
  }

  /* 横屏时靠右显示 */
  @media (orientation: landscape) {
    .mobile-drawer {
      left: auto;
      right: 10px;
      bottom: 60px;
      transform: translateX(0) translateY(calc(100% + 60px));
      width: 280px;
      max-width: 40vw;
    }
    .mobile-drawer.visible {
      transform: translateX(0) translateY(0);
    }
  }

  /* 遮罩层 - 不遮挡底部按钮 */
  .mobile-drawer-backdrop {
    display: block !important;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 55px;  /* 不遮挡底部按钮 */
    background: rgba(0,0,0,0.3);
    z-index: 155;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }

  .mobile-drawer-backdrop.visible {
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-drawer-handle {
    width: 32px;
    height: 3px;
    background: #4a4a6a;
    border-radius: 2px;
    margin: 6px auto;
  }

  /* 极简标题栏 */
  .mobile-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3px 6px;
    border-bottom: 1px solid rgba(42,42,74,0.4);
  }

  .mobile-drawer-header h3 {
    font-size: 11px;
    font-weight: 400;
    color: #888;
    letter-spacing: 0.2px;
  }

  .mobile-drawer-header .btn-icon-sm {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    background: transparent;
    border: none;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 9px;
  }

  .mobile-drawer-header .btn-icon-sm:active {
    background: rgba(255,255,255,0.1);
    color: #fff;
  }

  .mobile-drawer-body {
    padding: 6px 6px calc(6px + env(safe-area-inset-bottom, 0px));
  }

  /* 紧凑Grid布局 */
  .mobile-render-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
  }

  .mobile-render-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 4px;
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 6px;
    color: #b0b8c8;
    font-size: 9px;
  }

  .mobile-render-item i { font-size: 14px; }
  .mobile-render-item.active {
    background: rgba(0,102,255,0.2);
    border-color: #0066FF;
    color: #00d2ff;
  }

  .mobile-move-reset {
    width: 100%;
    padding: 8px;
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 6px;
    color: #b0b8c8;
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
  }

  .mobile-move-reset:active {
    background: #3a3a5a;
  }

  .mobile-move-tip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 8px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: 6px;
    color: #88a8d8;
    font-size: 12px;
    margin-bottom: 8px;
  }

  .mobile-move-tip i {
    font-size: 16px;
    color: #00d2ff;
  }

  /* 移动模式指示器 */
  .mobile-move-mode-hint {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.7);
    color: #00d2ff;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 12px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 100;
  }

  .mobile-move-mode-hint.visible {
    opacity: 1;
  }

  .mobile-display-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .mobile-display-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 8px;
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 6px;
    color: #b0b8c8;
    font-size: 10px;
  }

  .mobile-display-item .toggle-switch-sm { margin-left: auto; }

  /* 剖切面板 - 紧凑布局 */
  .mobile-clipping-core {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .mobile-clipping-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
  }

  .mobile-clipping-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 4px;
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 6px;
    color: #b0b8c8;
    font-size: 10px;
    font-weight: 500;
    cursor: pointer;
  }

  .mobile-clipping-item.active {
    background: rgba(0,102,255,0.2);
    border-color: #0066FF;
    color: #00d2ff;
  }

  .mobile-clipping-slider-compact {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 0;
  }

  .mobile-clipping-slider-compact span {
    font-size: 10px;
    color: #888;
    min-width: 28px;
  }

  .mobile-clipping-slider-compact input[type="range"] {
    flex: 1;
  }

  .mobile-clipping-row-compact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 3px 0;
  }

  .mobile-clipping-row-compact label {
    font-size: 10px;
    color: #b0b8c8;
  }

  /* 高级选项折叠 */
  .mobile-clipping-advanced {
    margin-top: 6px;
    border-top: 1px solid #2a2a4a;
    padding-top: 6px;
  }

  .mobile-clipping-advanced-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 10px;
    color: #888;
    cursor: pointer;
  }

  .mobile-clipping-advanced-toggle i {
    transition: transform 0.2s;
  }

  .mobile-clipping-advanced.expanded .mobile-clipping-advanced-toggle i {
    transform: rotate(180deg);
  }

  .mobile-clipping-advanced-content {
    padding-top: 6px;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  /* 颜色网格 */
  .mobile-clipping-colors {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .mobile-clipping-colors > label {
    font-size: 10px;
    color: #888;
  }

  .mobile-clipping-color-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
  }

  .mobile-clipping-color-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
  }

  .mobile-clipping-color-item span {
    font-size: 8px;
    color: #888;
  }

  .mobile-clipping-color-item input[type="color"] {
    width: 24px;
    height: 24px;
    padding: 0;
    border: 1px solid #3a3a5a;
    border-radius: 4px;
    background: #1a1a2e;
    cursor: pointer;
  }

  /* 旧样式保留兼容 */
  .mobile-clipping-slider {
    padding: 8px 2px;
  }

  .mobile-clipping-slider label {
    display: block;
    margin-bottom: 4px;
    color: #888;
    font-size: 11px;
  }

  .mobile-clipping-slider input[type="range"] { width: 100%; }

  .mobile-clipping-options {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #2a2a4a;
  }

  .mobile-clipping-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
  }

  .mobile-clipping-row label {
    color: #b0b8c8;
    font-size: 12px;
  }

  .mobile-clipping-row input[type="color"] {
    width: 40px;
    height: 28px;
    padding: 0;
    border: 1px solid #3a3a5a;
    border-radius: 4px;
    background: #1a1a2e;
    cursor: pointer;
  }

  .mobile-clipping-row input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 2px;
  }

  .mobile-clipping-row input[type="color"]::-webkit-color-swatch {
    border-radius: 2px;
    border: none;
  }

  .mobile-clipping-section-title {
    font-size: 11px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 0 4px;
    border-top: 1px solid #2a2a4a;
    margin-top: 8px;
  }

  .mobile-clipping-row .axis-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
  }

  .mobile-clipping-row .axis-dot.axis-x { background: #E74C3C; }
  .mobile-clipping-row .axis-dot.axis-y { background: #2ECC71; }
  .mobile-clipping-row .axis-dot.axis-z { background: #3498DB; }

  /* 信息抽屉样式 - 卡片式布局 */
  
  /* 关键信息卡片网格 */
  .mobile-info-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    margin-bottom: 8px;
  }
  
  .mobile-info-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 8px;
    background: linear-gradient(135deg, rgba(0,102,255,0.1) 0%, rgba(0,210,255,0.05) 100%);
    border: 1px solid rgba(0,102,255,0.2);
    border-radius: 8px;
  }
  
  .mobile-info-card i {
    font-size: 16px;
    color: #00d2ff;
    width: 20px;
    text-align: center;
  }
  
  .mobile-info-card-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
  }
  
  .mobile-info-card-label {
    font-size: 10px;
    color: #888;
  }
  
  .mobile-info-card-value {
    font-size: 11px;
    font-weight: 500;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  /* 紧凑文件信息 */
  .mobile-info-compact {
    border-top: 1px solid #2a2a4a;
    padding-top: 8px;
  }
  
  .mobile-info-compact-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
    font-size: 11px;
  }
  
  .mobile-info-compact-row .mobile-info-label {
    color: #888;
    width: 16px;
    text-align: center;
  }
  
  .mobile-info-compact-row .mobile-info-value {
    color: #b0b8c8;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  /* 旧样式保留兼容 */
  .mobile-info-section {
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid #2a2a4a;
  }

  .mobile-info-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
  }

  .mobile-info-title {
    font-size: 12px;
    font-weight: 500;
    color: #e0e0e0;
    margin-bottom: 6px;
  }

  .mobile-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    font-size: 11px;
  }

  .mobile-info-label {
    color: #888;
  }

  .mobile-info-value {
    color: #b0b8c8;
    font-weight: 500;
  }

  /* 壁厚分析抽屉样式 */
  .mobile-analysis-btn {
    width: 100%;
    padding: 8px;
    background: #0066FF;
    border: none;
    border-radius: 6px;
    color: #fff;
    font-size: 11px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.2s;
  }
  
  .mobile-analysis-btn:disabled {
    background: #3a3a5a;
    color: #888;
    cursor: not-allowed;
  }
  
  .mobile-analysis-btn:disabled i {
    animation: fa-spin 1s linear infinite;
  }

  /* 进度条样式 */
  .mobile-analysis-progress {
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 6px;
    padding: 8px;
    margin-bottom: 6px;
  }
  
  .mobile-progress-bar {
    height: 4px;
    background: #1a1a2e;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 6px;
  }
  
  .mobile-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #0066FF, #00d2ff);
    border-radius: 2px;
    transition: width 0.3s ease;
  }
  
  .mobile-progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 10px;
  }
  
  .mobile-progress-stage {
    color: #888;
  }
  
  .mobile-progress-percent {
    color: #00d2ff;
    font-weight: 500;
  }

  .mobile-analysis-result {
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 6px;
    padding: 8px;
    margin-bottom: 6px;
  }
  
  /* 错误提示样式 */
  .mobile-analysis-error {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.3);
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 6px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
  }
  
  .mobile-analysis-error > i {
    color: #e74c3c;
    font-size: 16px;
    margin-top: 2px;
  }
  
  .mobile-error-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  
  .mobile-error-title {
    font-size: 11px;
    font-weight: 500;
    color: #e74c3c;
  }
  
  .mobile-error-message {
    font-size: 10px;
    color: #888;
  }
  
  .mobile-error-retry {
    background: transparent;
    border: 1px solid rgba(231, 76, 60, 0.5);
    border-radius: 4px;
    color: #e74c3c;
    font-size: 10px;
    padding: 4px 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 3px;
    transition: all 0.2s;
  }
  
  .mobile-error-retry:active {
    background: rgba(231, 76, 60, 0.2);
  }

  .mobile-analysis-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #b0b8c8;
    font-size: 10px;
  }

  /* 结构抽屉样式 - 紧凑工具栏 */
  
  .mobile-structure-toolbar {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: #252540;
    border-radius: 6px;
    margin-bottom: 6px;
  }
  
  .mobile-structure-tool {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 6px 4px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: #888;
    font-size: 9px;
    cursor: pointer;
    transition: all 0.2s;
  }
  
  .mobile-structure-tool i {
    font-size: 12px;
  }
  
  .mobile-structure-tool:active {
    background: rgba(0,102,255,0.15);
    color: #00d2ff;
  }

  .mobile-structure-tree {
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 6px;
    padding: 6px;
    min-height: 80px;
    max-height: 25vh;
    overflow-y: auto;
  }

  .mobile-tree-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px 8px;
    color: #666;
    gap: 6px;
    font-size: 11px;
    text-align: center;
  }

  .mobile-tree-placeholder i {
    font-size: 20px;
  }
  
  /* 旧样式保留兼容 */
  .mobile-structure-actions {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
  }

  .mobile-structure-btn {
    flex: 1;
    padding: 6px;
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 4px;
    color: #b0b8c8;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    cursor: pointer;
  }

  /* 文件抽屉样式 */
  .mobile-file-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    margin-bottom: 4px;
    border-bottom: 1px solid #2a2a4a;
    font-size: 10px;
    color: #888;
  }

  .mobile-file-clear {
    background: transparent;
    border: none;
    color: #ff6b6b;
    font-size: 10px;
    cursor: pointer;
  }

  .mobile-file-list {
    min-height: 80px;
    max-height: 25vh;
    overflow-y: auto;
  }

  .mobile-file-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px 8px;
    color: #666;
    gap: 6px;
    text-align: center;
    font-size: 10px;
  }

  /* 移动端文件列表项 */
  .mobile-file-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px;
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 6px;
    margin-bottom: 4px;
    cursor: pointer;
    transition: all 0.2s;
  }

  .mobile-file-item:active,
  .mobile-file-item.active {
    background: rgba(0,102,255,0.15);
    border-color: #0066FF;
  }

  .mobile-file-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: linear-gradient(135deg, #0066FF, #00d2ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 700;
    color: #fff;
  }

  .mobile-file-info {
    flex: 1;
    min-width: 0;
  }

  .mobile-file-name {
    font-size: 11px;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 1px;
  }

  .mobile-file-meta {
    font-size: 9px;
    color: #8892a0;
  }

  /* 移动端结构树样式 */
  .mobile-tree-content {
    background: #0f0f1a;
    border: 1px solid #2a2a4a;
    border-radius: 10px;
    padding: 10px;
  }

  .mobile-tree-section {
    margin-bottom: 10px;
  }

  .mobile-tree-section:last-child {
    margin-bottom: 0;
  }

  .mobile-tree-title {
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid #2a2a4a;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    cursor: pointer;
    user-select: none;
  }

  .mobile-tree-title.mobile-section-toggle:hover {
    color: #00d2ff;
  }

  .mobile-section-actions {
    display: flex;
    align-items: center;
    gap: 2px;
  }

  .mobile-dim-toggle {
    background: none;
    border: none;
    color: #8892a0;
    font-size: 11px;
    padding: 3px 5px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    line-height: 1;
  }

  .mobile-dim-toggle:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
  }

  .mobile-dim-toggle.active {
    color: #00d2ff;
    background: rgba(0, 210, 255, 0.12);
  }

  .mobile-section-chevron {
    font-size: 10px;
    color: #8892a0;
    margin-left: 2px;
    transition: transform 0.2s;
  }



  .mobile-tree-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .mobile-tree-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
  }

  .mobile-tree-label {
    color: #8892a0;
    display: flex;
    align-items: center;
    gap: 5px;
  }

  .mobile-tree-value {
    color: #c0c8d8;
    font-weight: 500;
  }

  /* 移动端壁厚分析样式 */
  .mobile-analysis-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: #8892a0;
    gap: 10px;
  }

  .mobile-analysis-loading i {
    font-size: 20px;
  }

  .mobile-analysis-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
  }

  .mobile-stat-item {
    background: #0f0f1a;
    border: 1px solid #2a2a4a;
    border-radius: 8px;
    padding: 10px;
    text-align: center;
  }

  .mobile-stat-label {
    display: block;
    font-size: 11px;
    color: #8892a0;
    margin-bottom: 4px;
  }

  .mobile-stat-value {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
  }

  .mobile-stat-value.danger { color: #ff6b6b; }
  .mobile-stat-value.warning { color: #feca57; }
  .mobile-stat-value.safe { color: #48dbfb; }

  .mobile-analysis-bars {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .mobile-bar-row {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 0;
  }

  /* 标签区域 - 两行布局 */
  .mobile-bar-label-wrap {
    display: flex;
    flex-direction: column;
    min-width: 60px;
    max-width: 70px;
  }

  .mobile-bar-name {
    font-size: 10px;
    font-weight: 500;
    color: #c0c8d8;
  }

  .mobile-bar-range {
    font-size: 8px;
    color: #666;
  }

  .mobile-bar-bg {
    flex: 1;
    min-width: 80px;
    height: 5px;
    background: #2a2a4a;
    border-radius: 3px;
    overflow: hidden;
  }

  .mobile-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s ease;
  }

  .mobile-bar-fill.danger { background: #ff6b6b; }
  .mobile-bar-fill.warning { background: #feca57; }
  .mobile-bar-fill.safe { background: #48dbfb; }

  .mobile-bar-value {
    min-width: 28px;
    text-align: right;
    font-size: 10px;
    color: #c0c8d8;
  }

  /* 定位按钮区域 */
  .mobile-bar-action-wrap {
    display: flex;
    align-items: center;
    min-width: 60px;
    justify-content: flex-end;
  }

  .mobile-bar-locate {
    width: 24px;
    height: 24px;
    background: transparent;
    border: 1px solid #3a3a5a;
    border-radius: 4px;
    color: #888;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
  }

  .mobile-bar-locate:active {
    background: rgba(0, 102, 255, 0.15);
    border-color: #0066FF;
    color: #00d2ff;
  }

  /* 导航区域 */
  .mobile-bar-nav {
    display: flex;
    align-items: center;
    gap: 2px;
  }

  .mobile-bar-nav-btn {
    width: 20px;
    height: 20px;
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 3px;
    color: #888;
    font-size: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
  }

  .mobile-bar-nav-btn:active {
    background: rgba(0, 102, 255, 0.15);
    color: #00d2ff;
  }

  .mobile-bar-nav-index {
    font-size: 9px;
    color: #00d2ff;
    min-width: 28px;
    text-align: center;
  }

  /* 旧样式保留兼容 */
  .mobile-bar-label {
    width: 32px;
    font-size: 11px;
    color: #8892a0;
  }

  /* 移动端零件树零件项样式 */
  .mobile-tree-row.part-item {
    cursor: pointer;
    transition: background 0.2s;
    padding: 8px 10px;
    background: rgba(0,0,0,0.3);
    border-radius: 6px;
    margin-bottom: 5px;
  }

  .mobile-tree-row.part-item:last-child {
    margin-bottom: 0;
  }

  .mobile-tree-row.part-item:hover {
    background: rgba(0,102,255,0.1);
  }

  .mobile-tree-row.part-item .part-visibility-toggle {
    cursor: pointer;
    color: #00d2ff;
    margin-right: 6px;
    transition: color 0.2s;
  }

  .mobile-tree-row.part-item .part-visibility-toggle:hover {
    color: #0066FF;
  }

  .mobile-tree-row.part-item.hidden-part {
    opacity: 0.5;
  }

  .mobile-tree-row.part-item .mobile-tree-label {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
    overflow: hidden;
  }

  .mobile-tree-row.part-item .mobile-tree-label span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #fff;
  }

  .mobile-tree-row.part-item .mobile-tree-value {
    flex-shrink: 0;
    font-size: 10px;
    color: #8892a0;
    background: rgba(255,255,255,0.05);
    padding: 2px 6px;
    border-radius: 3px;
    display: none;
  }

  .mobile-tree-row.part-item .part-dimensions {
    flex-shrink: 0;
    font-size: 9px;
    color: #00d2ff;
    margin-left: 6px;
    display: none;
  }

  /* ═══════════════════════════════════════════════════════
     移动端测量工具样式 - 紧凑布局
     ═══════════════════════════════════════════════════════ */
  
  /* 类型按钮行：4个按钮，图标+文字 */
  .mobile-measure-types {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    margin-bottom: 6px;
  }
  
  .mobile-measure-type-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 6px 4px;
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 6px;
    color: #888;
    font-size: 9px;
    cursor: pointer;
    transition: all 0.2s;
  }
  
  .mobile-measure-type-btn i {
    font-size: 12px;
  }
  
  .mobile-measure-type-btn.active {
    background: rgba(0,102,255,0.2);
    border-color: #0066FF;
    color: #00d2ff;
  }
  
  .mobile-measure-type-btn:active {
    transform: scale(0.95);
  }
  
  /* 长度子模式：紧凑按钮 */
  .mobile-measure-submodes-compact {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    margin-bottom: 6px;
  }
  
  .mobile-measure-subbtn {
    padding: 6px 4px;
    background: #252540;
    border: 1px solid #3a3a5a;
    border-radius: 4px;
    color: #888;
    font-size: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
  }
  
  .mobile-measure-subbtn.active {
    background: rgba(0,102,255,0.15);
    border-color: #0066FF;
    color: #00d2ff;
  }
  
  /* 设置行：单位 + 精度 */
  .mobile-measure-settings {
    display: flex;
    gap: 8px;
    margin-bottom: 6px;
  }
  
  .mobile-measure-setting {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
  }
  
  .mobile-measure-setting label {
    font-size: 10px;
    color: #888;
    white-space: nowrap;
  }
  
  .mobile-measure-setting select {
    flex: 1;
    padding: 4px 6px;
    border-radius: 4px;
    border: 1px solid #3a3a5a;
    background: #252540;
    color: #b0b8c8;
    font-size: 10px;
    min-width: 0;
  }
  
  /* 结果标题 + 清除按钮同行 */
  .mobile-measure-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 10px;
    color: #888;
    margin-bottom: 4px;
    padding-top: 4px;
    border-top: 1px solid rgba(42,42,74,0.4);
  }
  
  .mobile-measure-clear-btn {
    background: transparent;
    border: none;
    color: #666;
    padding: 4px 6px;
    cursor: pointer;
    font-size: 11px;
    border-radius: 4px;
    transition: all 0.2s;
  }
  
  .mobile-measure-clear-btn:active {
    background: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
  }
  
  .mobile-measure-list {
    max-height: 120px;
    overflow-y: auto;
  }
  
  .mobile-measure-empty {
    text-align: center;
    color: #555;
    font-size: 10px;
    padding: 10px;
  }
  
  .mobile-measure-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 6px;
    background: rgba(255,255,255,0.02);
    border-radius: 4px;
    margin-bottom: 3px;
  }
  
  .mobile-measure-item-info {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  
  .mobile-measure-item-type {
    font-size: 9px;
    color: #888;
  }
  
  .mobile-measure-item-value {
    font-size: 11px;
    font-weight: 500;
    color: #00d2ff;
  }
  
  .mobile-measure-item-delete {
    background: none;
    border: none;
    color: #555;
    padding: 3px;
    cursor: pointer;
    font-size: 10px;
  }
  
  .mobile-measure-item-delete:active {
    color: #E74C3C;
  }
  
  /* 提示信息 */
  .mobile-measure-hint {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px;
    background: rgba(0,102,255,0.1);
    border-radius: 4px;
    font-size: 10px;
    color: #00d2ff;
    margin-bottom: 6px;
  }
  
  .mobile-measure-hint i {
    font-size: 10px;
  }
  
  /* 旧样式保留兼容（桌面端） */
  .mobile-measure-section {
    margin-bottom: 16px;
  }

  .mobile-measure-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 500;
    color: #fff;
  }

  .mobile-measure-modes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }

  .mobile-measure-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 8px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: #8892a0;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
  }

  .mobile-measure-btn i {
    font-size: 18px;
    margin-bottom: 4px;
  }

  .mobile-measure-btn.active {
    background: rgba(0,102,255,0.2);
    border-color: #0066FF;
    color: #00d2ff;
  }

  .mobile-measure-sublabel {
    font-size: 12px;
    color: #8892a0;
    margin-bottom: 8px;
  }

  .mobile-measure-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
  }

  .mobile-measure-row label {
    font-size: 12px;
    color: #8892a0;
  }

  .mobile-measure-row select {
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid #444;
    background: #2a2a2a;
    color: #fff;
    font-size: 12px;
    min-width: 100px;
  }
}