/* ========================================
   标博士标书生成向导样式 (bid-generator)
   ======================================== */

.bg-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: linear-gradient(180deg, #f8fcff 0%, var(--dash-bg-paper, var(--color-bg)) 48%, var(--color-bg-secondary) 100%);
  font-family: var(--dash-font-sans, 'Inter', sans-serif);
  color: var(--dash-text-primary, #2C2825);
}

/* 顶部导航 */
.bg-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  height: var(--topbar-height);
  background: var(--dash-bg-panel, #FFFFFF);
  border-bottom: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  z-index: 10;
}

.bg-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.bg-back-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--dash-text-secondary, #6A6662);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.bg-back-btn:hover {
  background: rgba(44, 40, 37, 0.04);
  color: var(--dash-text-primary, #2C2825);
}

.bg-title {
  font-size: var(--text-lg);
  font-weight: 400;
  font-family: var(--dash-font-serif, 'Libre Baskerville', serif);
  color: var(--dash-text-primary, #2C2825);
}

/* 步骤指示器 */
.bg-stepper {
  display: flex;
  align-items: center;
  margin: var(--space-6) auto;
  width: 100%;
  max-width: 800px;
}

.stepper-item {
  display: flex;
  align-items: center;
  flex: 1;
  position: relative;
}
.stepper-item:last-child { flex: 0; }

.step-circle {
  width: 28px;
  height: 28px;
  border-radius: 3px;
  background: var(--dash-bg-panel, #FFFFFF);
  border: 1px solid var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  color: var(--dash-text-tertiary, #A6A097);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  font-size: 13px;
  z-index: 2;
  transition: all var(--transition-normal);
}

.step-label {
  position: absolute;
  top: 36px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 13px;
  color: var(--dash-text-tertiary, #A6A097);
  white-space: nowrap;
  font-weight: 400;
  transition: all var(--transition-normal);
}

.stepper-line {
  flex: 1;
  height: 1px;
  background: var(--dash-border-light, rgba(200, 195, 185, 0.5));
  margin: 0 16px;
  transition: all var(--transition-normal);
}

.stepper-item.active .step-circle {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--dash-bg-panel, #FFFFFF);
}
.stepper-item.active .step-label {
  color: var(--color-primary);
  font-weight: 500;
}
/* 已完成步骤 */
.stepper-item.completed .step-circle {
  border-color: var(--color-success);
  background: var(--color-success);
  color: #ffffff;
}
.stepper-item.completed .step-label {
  color: var(--color-success);
  font-weight: 500;
}
.stepper-item.completed .stepper-line {
  background: var(--color-success);
}

/* 主内容区 */
.bg-main {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--space-6) var(--space-10);
}

.bg-card {
  max-width: 900px;
  margin: 0 auto;
  background: var(--dash-bg-panel, #FFFFFF);
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: var(--radius-md);
  padding: var(--space-8);
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 表单 */
.bg-form-group { margin-bottom: var(--space-8); }

.bg-label {
  display: block;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--dash-text-primary, #2C2825);
  margin-bottom: var(--space-3);
}
.bg-label .required { color: var(--color-error); margin-left: 4px; }

.bg-desc {
  font-size: 13px;
  color: var(--dash-text-secondary, #6A6662);
  margin-bottom: var(--space-3);
}

.bg-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 2px;
  font-size: 14px;
  color: var(--dash-text-primary, #2C2825);
  background: transparent;
  transition: all var(--transition-fast);
  font-family: var(--dash-font-sans, sans-serif);
}
.bg-input:focus {
  outline: none;
  border-color: var(--dash-text-primary, #2C2825);
  box-shadow: 0 0 0 1px var(--dash-text-primary, #2C2825);
}

/* 卡片选择器 */
.bg-grid-select {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
}

.bg-select-card {
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 2px;
  padding: var(--space-4);
  background: var(--dash-bg-panel, #FFFFFF);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  position: relative;
  overflow: hidden;
}
.bg-select-card:hover {
  border-color: var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  transform: translateY(-1px);
}
.bg-select-card.active {
  border-color: var(--color-primary);
  background: var(--color-primary-ultra-light);
  box-shadow: inset 0 0 0 1px var(--color-primary), 0 0 0 3px rgba(47, 111, 159, 0.06);
}
.bg-select-card.small-card {
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-3) var(--space-2);
  gap: 4px;
}
.bg-select-card.small-card h4 { font-size: 13.5px; }
.bg-select-card.small-card p { font-size: 12px; }

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 2px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dash-text-primary, #2C2825);
  border: 1px solid var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  flex-shrink: 0;
}
.bg-select-card.active .card-icon {
  background: rgba(44, 40, 37, 0.04);
  color: var(--dash-text-primary, #2C2825);
  border-color: var(--dash-text-primary, #2C2825);
}

.card-content { flex: 1; }
.card-content h4 {
  margin: 0 0 4px 0;
  font-family: var(--dash-font-serif, serif);
  font-size: 16px;
  font-weight: 400;
  color: var(--dash-text-primary, #2C2825);
}
.card-content p {
  margin: 0;
  font-size: 12px;
  color: var(--dash-text-secondary, #6A6662);
  line-height: 1.5;
}

.card-badge {
  position: absolute;
  top: 0; right: 0;
  font-size: 10px;
  padding: 4px 10px;
  background: var(--dash-accent, #DA755B);
  color: #fff;
  font-weight: 500;
  border-bottom-left-radius: 0;
}

.bg-select-card.recommended { border-color: var(--dash-accent, #DA755B); }
.bg-select-card.recommended.active { border-color: var(--dash-text-primary, #2C2825); background: rgba(218, 117, 91, 0.05); }

/* 标签选择器 */
.bg-tag-group {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.bg-tag {
  padding: 6px 14px;
  border: 1px solid var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 3px;
  font-size: 13px;
  color: var(--dash-text-secondary, #6A6662);
  cursor: pointer;
  background: transparent;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}
.bg-tag:hover { border-color: var(--dash-text-primary, #2C2825); color: var(--dash-text-primary, #2C2825); }
.bg-tag.active { background: var(--dash-text-primary, #2C2825); color: #fff; border-color: var(--dash-text-primary, #2C2825); }

/* 滑块 */
.bg-slider-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
  padding-bottom: 24px;
}
.bg-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 2px;
  outline: none;
  position: relative;
  z-index: 2;
  accent-color: var(--dash-text-primary, #2C2825);
}
.bg-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--dash-bg-panel, #FFFFFF);
  border: 4px solid var(--dash-text-primary, #2C2825);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  box-sizing: border-box;
}
.bg-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(44,40,37,0.1);
}
.bg-slider-ticks {
  display: flex;
  justify-content: space-between;
  padding: 0 4px;
  margin-top: 4px;
}
.bg-slider-ticks span {
  font-size: 12px;
  color: var(--color-text-tertiary);
  position: relative;
}
.bg-slider-ticks span::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px; height: 6px;
  background: var(--color-border);
}
.bg-slider-bubble {
  position: absolute;
  top: -34px;
  left: 0;
  background: var(--dash-text-primary, #2C2825);
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 2px;
  transform: translateX(-50%);
  pointer-events: none;
  transition: left 0.1s ease-out;
  z-index: 3;
}
.bg-slider-bubble::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 4px 4px 0;
  border-style: solid;
  border-color: var(--dash-text-primary, #2C2825) transparent transparent transparent;
}

/* Toggle Switch */
.bg-switch {
  position: relative;
  display: inline-block;
  width: 44px; height: 24px;
}
.bg-switch input { opacity: 0; width: 0; height: 0; }
.bg-slider-round {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--color-border);
  transition: .3s;
  border-radius: 3px;
}
.bg-slider-round:before {
  position: absolute;
  content: "";
  height: 18px; width: 18px;
  left: 3px; bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 2px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
input:checked + .bg-slider-round { background-color: var(--color-primary); }
input:checked + .bg-slider-round:before { transform: translateX(20px); }

/* 底部栏 */
.bg-footer {
  flex-shrink: 0;
  background: var(--dash-bg-panel, #FFFFFF);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  z-index: 10;
}

.bg-btn {
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 3px;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
}
.bg-btn-secondary {
  background: transparent;
  border-color: var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  color: var(--dash-text-primary, #2C2825);
}
.bg-btn-secondary:hover:not(:disabled) {
  background: var(--dash-bg-paper, #FDF9F3);
  border-color: var(--dash-text-primary, #2C2825);
}
/* ✅ 主操作按鈕 — 用品牌蓝传达积极行动语义(替代原来的纯黑) */
.bg-btn-primary {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 6px 18px -12px rgba(47, 111, 159, 0.8);
}
.bg-btn-primary:hover:not(:disabled) {
  background: linear-gradient(180deg, #3b7fb2 0%, var(--color-primary-hover) 100%);
  border-color: var(--color-primary-hover);
  box-shadow: 0 8px 22px -12px rgba(47, 111, 159, 0.9);
  transform: translateY(-1px);
}
.bg-btn-primary:active:not(:disabled) {
  transform: scale(0.97);
}
.bg-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* textarea */
.bg-textarea {
  width: 100%;
  min-height: 200px;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  resize: vertical;
  font-family: var(--font-editor);
  line-height: 1.6;
}
.bg-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.analyze-result {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--color-primary-ultra-light);
  border: 1px solid var(--color-primary-light);
  border-radius: var(--radius-md);
}
.analyze-result ul {
  margin: 0;
  padding-left: var(--space-5);
  color: var(--color-text-primary);
  line-height: 1.6;
}

/* cursor blink */
.cursor-blink { animation: pulse 1s infinite; color: var(--color-primary); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* 步骤2：双栏布局 + 标书类型 + 清单文件 + 技术资料 */
.s2-dual-zone {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.s2-upload-card,
.s2-paste-card,
.boq-upload-zone,
.boq-paste-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 16px;
  border: 1px dashed var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 2px;
  background: var(--dash-bg-panel, #FFFFFF);
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  min-height: 160px;
}
.s2-upload-card:hover,
.boq-upload-zone:hover,
.s2-paste-card:hover,
.boq-paste-zone:hover {
  border-style: solid;
  border-color: var(--dash-text-primary, #2C2825);
  background: rgba(44, 40, 37, 0.02);
}
.s2-upload-card.dragover,
.boq-upload-zone.dragover {
  border-style: solid;
  border-color: var(--dash-text-primary, #2C2825);
  background: rgba(44, 40, 37, 0.04);
}
.s2-upload-card:focus-visible,
.boq-upload-zone:focus-visible,
.s2-paste-card:focus-visible,
.boq-paste-zone:focus-visible {
  outline: none;
  border-style: solid;
  border-color: var(--dash-text-primary, #2C2825);
  box-shadow: 0 0 0 3px rgba(44, 40, 37, 0.08);
}

.s2-upload-icon {
  margin-bottom: 10px;
  color: var(--dash-text-primary, #2C2825);
  pointer-events: none;
}

.s2-upload-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--dash-text-primary, #2C2825);
  margin-bottom: 6px;
  pointer-events: none;
}

.s2-upload-desc {
  font-size: 12px;
  color: var(--dash-text-secondary, #6A6662);
  line-height: 1.5;
  pointer-events: none;
}

/* 历史记录按钮 */
.s2-history-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: transparent;
  border: 1px solid var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--dash-text-primary, #2C2825);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-fast);
  z-index: 2;
}
.s2-history-btn:hover {
  background: rgba(44, 40, 37, 0.04);
}

/* 标书类型卡片组 */
.bid-type-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.bid-type-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 2px;
  cursor: pointer;
  background: var(--dash-bg-panel, #FFFFFF);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--dash-text-primary, #2C2825);
  transition: all var(--transition-fast);
  user-select: none;
}
.bid-type-card:hover {
  border-color: var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  transform: translateY(-1px);
}
.bid-type-card.active {
  border-color: var(--color-primary);
  background: var(--color-primary-ultra-light);
  color: var(--color-primary);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}
.bid-type-card.active .bid-type-icon {
  color: var(--color-primary);
}

.bid-type-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dash-text-secondary, #6A6662);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.bid-type-sub {
  font-size: 11px;
  color: var(--dash-text-secondary, #6A6662);
  font-weight: 400;
}

.bid-type-card--more {
  border-style: dashed;
}

/* 知识库链接 */
.s2-kb-link {
  color: var(--dash-text-primary, #2C2825);
  text-decoration: underline;
  font-weight: 500;
}
.s2-kb-link:hover {
  color: var(--dash-accent, #DA755B);
}

/* 相关技术资料区域 */
.tech-ref-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.tech-ref-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 2px;
  background: var(--dash-bg-panel, #FFFFFF);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 60px;
}
.tech-ref-item:hover {
  border-color: var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  transform: translateY(-1px);
}

.tech-ref-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--dash-text-primary, #2C2825);
}

.tech-ref-info {
  flex: 1;
  min-width: 0;
}

.tech-ref-name {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--dash-text-primary, #2C2825);
  margin-bottom: 4px;
}

.tech-ref-files {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-ref-placeholder {
  font-size: 12px;
  color: var(--dash-text-secondary, #6A6662);
}

/* 文件芯片 */
.file-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(44, 40, 37, 0.04);
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 4px;
  font-size: 12px;
  color: var(--dash-text-primary, #2C2825);
  max-width: 200px;
  transition: background var(--transition-fast);
}
.file-chip:hover {
  background: rgba(44, 40, 37, 0.08);
}

.file-chip-wide {
  max-width: 100%;
}

.file-chip-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 120px;
}

.file-chip-size {
  color: var(--dash-text-secondary, #6A6662);
  font-size: 11px;
  flex-shrink: 0;
}

.file-chip-del {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--dash-text-secondary, #6A6662);
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
  flex-shrink: 0;
}
.file-chip-del:hover {
  color: var(--color-error);
}

/* 清单文件列表 */
.boq-file-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
  width: 100%;
  justify-content: center;
}

.flowchart-picker-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.flowchart-picker-head p {
  margin: 6px 0 0;
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.6;
}

.flowchart-picker-status {
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.flowchart-picker-list {
  display: grid;
  gap: 12px;
}

.flowchart-picker-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: 14px 16px;
  background: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.flowchart-picker-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 6px 20px rgba(55, 99, 244, 0.08);
}

.flowchart-picker-card input {
  margin-top: 4px;
}

.flowchart-picker-card-main {
  flex: 1;
  min-width: 0;
}

.flowchart-picker-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.flowchart-picker-card-top strong {
  font-size: 14px;
  color: var(--color-text-primary);
}

.flowchart-picker-card-top span {
  font-size: 11px;
  color: var(--color-primary);
  background: rgba(59, 130, 246, 0.09);
  border: 1px solid rgba(59, 130, 246, 0.16);
  border-radius: 2px;
  padding: 3px 8px;
  white-space: nowrap;
}

.flowchart-picker-card p {
  margin: 0 0 10px;
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.6;
}

.flowchart-picker-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--color-text-tertiary);
  font-size: 12px;
}

.flowchart-picker-empty {
  border: 1px dashed var(--color-border);
  border-radius: 2px;
  padding: 28px 20px;
  text-align: center;
  color: var(--color-text-secondary);
}

.flowchart-picker-empty p {
  margin: 0 0 12px;
}

@media (max-width: 1100px) {
  .tech-ref-section {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .tech-ref-section {
    grid-template-columns: 1fr;
  }

  .flowchart-picker-head {
    flex-direction: column;
  }

  .flowchart-picker-card-top {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* ============================================
   步骤3：三级大纲树
   ============================================ */
.outline-tree {
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 0;
  background: var(--dash-bg-panel, #FFFFFF);
  overflow: hidden;
  max-height: 60vh;
  overflow-y: auto;
}

/* 章级 */
.tree-chapter {
  border-bottom: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
}
.tree-chapter:last-child { border-bottom: none; }

.tree-chapter-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(44, 40, 37, 0.02);
  font-family: var(--dash-font-serif, serif);
  font-weight: 400;
  font-size: 16px;
  color: var(--dash-text-primary, #2C2825);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}
.tree-chapter-header:hover { background: rgba(44, 40, 37, 0.04); }

.tree-chapter-header svg {
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  color: var(--dash-text-secondary, #6A6662);
}
.tree-chapter.collapsed .tree-chapter-header svg { transform: rotate(-90deg); }

.tree-chapter-count {
  margin-left: auto;
  font-size: 12px;
  font-weight: 400;
  font-family: var(--dash-font-sans, sans-serif);
  color: var(--dash-text-secondary, #6A6662);
  background: rgba(44, 40, 37, 0.06);
  padding: 2px 8px;
  border-radius: 2px;
}

/* 节级 */
.tree-section {
  border-top: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
}
.tree-chapter.collapsed .tree-section { display: none; }

.tree-section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px 10px 32px;
  background: var(--dash-bg-panel, #FFFFFF);
  font-weight: 500;
  font-size: 14px;
  color: var(--dash-text-primary, #2C2825);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}
.tree-section-header:hover { background: rgba(44, 40, 37, 0.02); }
.tree-section-header svg {
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  color: var(--dash-text-tertiary, #A6A097);
}
.tree-section.collapsed .tree-section-header svg { transform: rotate(-90deg); }

.tree-section-count {
  margin-left: auto;
  font-size: 11px;
  font-weight: 400;
  color: var(--dash-text-tertiary, #A6A097);
}

/* 叶子节点 */
.tree-leaf {
  border-top: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  background: var(--dash-bg-panel, #FFFFFF);
}
.tree-section.collapsed .tree-leaf { display: none; }
.tree-leaf:last-child { border-bottom: none; }

.tree-leaf-inner {
  display: flex;
  align-items: center;
  padding: 8px 16px 8px 52px;
  gap: 12px;
  transition: background var(--transition-fast);
}
.tree-leaf-inner:hover { background: rgba(44, 40, 37, 0.02); }

.tree-leaf-title {
  flex: 1;
  font-size: 13px;
  color: var(--dash-text-secondary, #6A6662);
}

.tree-leaf-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.leaf-word-input-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
}
.leaf-word-input {
  width: 72px;
  padding: 4px 8px;
  border: 1px solid var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 4px;
  font-size: 12px;
  text-align: right;
  color: var(--dash-text-primary, #2C2825);
  background: transparent;
  transition: all var(--transition-fast);
}
.leaf-word-input:focus {
  outline: none;
  border-color: var(--dash-text-primary, #2C2825);
}

.leaf-del-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--dash-text-tertiary, #A6A097);
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  transition: all var(--transition-fast);
}
.leaf-del-btn:hover { color: var(--color-error); background: #fff0ef; }

.tree-leaf-hint {
  padding: 0 16px 8px 52px;
}
.leaf-prompt-input {
  width: 100%;
  padding: 5px 10px;
  border: 1px dashed var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 4px;
  font-size: 12px;
  color: var(--dash-text-secondary, #6A6662);
  background: transparent;
  transition: all var(--transition-fast);
}
.leaf-prompt-input:focus {
  outline: none;
  border-color: var(--dash-text-primary, #2C2825);
  border-style: solid;
}


/* ============================================
   步骤4：正文编写 (Writer)
   ============================================ */
.writer-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 130px);
  max-width: 1300px;
  margin: 0 auto;
  animation: fadeIn 0.3s ease;
}

/* 顶部状态条 */
.writer-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--dash-bg-panel, #FFFFFF);
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 0;
  padding: 12px 20px;
  flex-shrink: 0;
  gap: 16px;
}

.writer-topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  min-width: 0;
}

.writer-title-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--dash-bg-paper, #FDF9F3);
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 4px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--dash-text-primary, #2C2825);
  white-space: nowrap;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.writer-stats {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--dash-text-secondary, #6A6662);
  flex-wrap: wrap;
}
.stat-item em {
  font-style: normal;
  font-weight: 600;
  color: var(--dash-text-primary, #2C2825);
}
.stat-item .stat-done { color: var(--color-success); }
.stat-divider { color: var(--dash-border-dark, rgba(200, 195, 185, 0.8)); }
.stat-item.progress-pct {
  font-weight: 600;
  color: var(--dash-text-secondary, #6A6662);
}
.stat-item.progress-pct.tone-active {
  color: var(--color-primary);
}
.stat-item.progress-pct.tone-success {
  color: var(--color-success);
}

.writer-topbar-right {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* 进度条 */
.writer-progress-bar {
  height: 2px;
  background: var(--dash-border-light, rgba(200, 195, 185, 0.5));
  flex-shrink: 0;
  overflow: hidden;
}
.writer-progress-fill {
  height: 100%;
  background: rgba(15,23,42,.18);
  transition: width 0.4s ease;
}
.writer-progress-fill.tone-active {
  background: linear-gradient(90deg,#1a73e8 0%,#4f8cff 100%);
}
.writer-progress-fill.tone-success {
  background: linear-gradient(90deg,#16a34a 0%,#4ade80 100%);
}

/* Tab 切换 */
.writer-tab-row {
  display: flex;
  background: var(--dash-bg-panel, #FFFFFF);
  border-left: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-right: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  flex-shrink: 0;
  padding: 0 16px;
  gap: 4px;
}
.writer-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--dash-text-secondary, #6A6662);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: -1px;
}
.writer-tab:hover { color: var(--dash-text-primary, #2C2825); }
.writer-tab.active {
  color: var(--dash-text-primary, #2C2825);
  border-bottom-color: var(--dash-text-primary, #2C2825);
  font-weight: 500;
}

/* 正文列表区 */
.writer-body {
  flex: 1;
  overflow-y: auto;
  background: var(--dash-bg-panel, #FFFFFF);
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-top: none;
  border-radius: 0;
}

/* 章级 */
.wc-chapter {
  border-bottom: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
}
.wc-chapter:last-child { border-bottom: none; }

.wc-chapter-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(44, 40, 37, 0.02);
  border-bottom: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  font-family: var(--dash-font-serif, serif);
  font-size: 16px;
  font-weight: 400;
  color: var(--dash-text-primary, #2C2825);
  position: sticky;
  top: 0;
  z-index: 5;
}

.wc-chapter-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.wc-toggle-label {
  display: flex;
  align-items: center;
  font-size: 12px;
  font-weight: 400;
  color: var(--dash-text-secondary, #6A6662);
  cursor: pointer;
  white-space: nowrap;
}

/* 节级 */
.wc-section {
  border-bottom: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
}
.wc-section:last-child { border-bottom: none; }

.wc-section-title {
  display: flex;
  align-items: center;
  padding: 10px 20px 10px 40px;
  background: var(--dash-bg-panel, #FFFFFF);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--dash-text-primary, #2C2825);
  border-bottom: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
}

/* 小节行 */
.wc-item {
  border-bottom: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  transition: background var(--transition-fast);
}
.wc-item:last-child { border-bottom: none; }

.wc-item.item-writing {
  background: rgba(239,246,255,.72);
}
.wc-item.item-done {
  background: rgba(240,253,244,.68);
}

.wc-item-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px 10px 60px;
  gap: 12px;
}
.wc-item:hover .wc-item-main { background: rgba(44, 40, 37, 0.02); }

.wc-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.wc-item-title {
  font-size: 13px;
  color: var(--dash-text-secondary, #6A6662);
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 420px;
}

.wc-ref-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border: 1px solid var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 4px;
  background: transparent;
  font-size: 11px;
  color: var(--dash-text-secondary, #6A6662);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.wc-ref-btn:hover {
  border-color: var(--dash-text-primary, #2C2825);
  color: var(--dash-text-primary, #2C2825);
  background: rgba(44, 40, 37, 0.04);
}

.wc-item-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* 状态标签 */
.wc-status {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 2px;
  font-weight: 500;
  white-space: nowrap;
}
.status-idle {
  background: rgba(15,23,42,.04);
  color: var(--dash-text-secondary, #6A6662);
  border: 1px solid rgba(15,23,42,.08);
}
/* 🕓 编写中状态 — 用主色蓝脉冲，传达“AI 正在工作”的信息 */
.status-writing {
  background: var(--color-primary-ultra-light);
  color: var(--color-primary);
  border: 1px solid var(--color-primary-light);
  animation: writingPulse 1.5s ease-in-out infinite;
}
@keyframes writingPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
/* ✅ 已完成 — 绿色确认 */
.status-done {
  background: var(--color-success-ultra-light);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

/* 字数进度条 */
.wc-wordbar-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}
.wc-wordbar {
  width: 72px;
  height: 2px;
  background: var(--dash-border-light, rgba(200, 195, 185, 0.5));
  overflow: hidden;
  flex-shrink: 0;
}
.wc-wordbar-fill {
  height: 100%;
  background: rgba(15,23,42,.18);
  transition: width 0.3s ease, background 0.4s ease;
}
.wc-wordcount {
  font-size: 11px;
  color: var(--dash-text-tertiary, #A6A097);
  white-space: nowrap;
  min-width: 70px;
  text-align: right;
}
.wc-visual-hint {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(59,130,246,.18);
  background: rgba(59,130,246,.08);
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.wc-diagram-btn {
  margin-left: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(44, 40, 37, 0.18);
  background: rgba(44, 40, 37, 0.03);
  color: var(--dash-text-primary, #2C2825);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.wc-diagram-btn:hover {
  background: rgba(44, 40, 37, 0.08);
  border-color: rgba(44, 40, 37, 0.3);
}
.wc-visual-region {
  display: block;
}
.bid-diagram-shell {
  margin: 12px 0 18px;
  border: 1px solid rgba(44, 40, 37, 0.14);
  border-radius: 10px;
  background: linear-gradient(180deg, #fffdf9 0%, #ffffff 100%);
  overflow: hidden;
}
.bid-diagram-shell-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(44, 40, 37, 0.08);
  background: rgba(125, 112, 84, 0.04);
  color: var(--dash-text-primary, #2C2825);
  font-size: 12px;
}
.bid-diagram-shell-head strong {
  font-size: 12px;
  letter-spacing: 0.02em;
}
.bid-diagram-shell-head span {
  color: var(--dash-text-secondary, #6E675F);
  font-size: 12px;
}
.bid-diagram-shell-body {
  padding: 16px;
  background: #fff;
}
.bid-diagram-render {
  overflow-x: auto;
}
.bid-diagram-render svg {
  width: 100%;
  height: auto;
  min-width: 720px;
}
.bid-diagram-state {
  padding: 16px;
  border: 1px dashed rgba(44, 40, 37, 0.14);
  border-radius: 8px;
  background: rgba(125, 112, 84, 0.03);
  color: var(--dash-text-secondary, #6E675F);
  font-size: 13px;
  line-height: 1.7;
}
.bid-diagram-state.is-loading {
  color: var(--color-info, #2b6cb0);
  border-color: rgba(43, 108, 176, 0.24);
  background: rgba(43, 108, 176, 0.05);
}
.bid-diagram-state.is-error {
  color: var(--color-danger, #c53030);
  border-color: rgba(197, 48, 48, 0.22);
  background: rgba(197, 48, 48, 0.05);
}

/* 编写按钮 */
.wc-gen-btn {
  padding: 5px 16px;
  border-radius: 4px;
  border: 1px solid var(--dash-text-primary, #2C2825);
  background: transparent;
  color: var(--dash-text-primary, #2C2825);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.wc-gen-btn:hover:not(:disabled) {
  background: var(--dash-text-primary, #2C2825);
  color: #fff;
}
.wc-gen-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.wc-gen-btn.wc-gen-regen {
  border-style: dashed;
  /* ⚠️ 重写按鈕: 橙色警示，表示“已有内容，再次生成会覆盖” */
  border-color: var(--color-warning-border);
  color: var(--color-warning);
  background: var(--color-warning-ultra-light);
}
.wc-gen-btn.wc-gen-regen:hover:not(:disabled) {
  border-style: solid;
  border-color: var(--color-warning);
  background: var(--color-warning-light);
  color: var(--color-warning-hover);
}

/* 已生成内容预览 */
.wc-item-preview {
  padding: 8px 20px 12px 60px;
  border-top: 1px dashed var(--dash-border-light, rgba(200, 195, 185, 0.5));
  background: var(--dash-bg-panel, #FFFFFF);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.wc-preview-content {
  flex: 1;
  font-size: 12px;
  color: var(--dash-text-secondary, #6A6662);
  line-height: 1.6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--dash-font-serif, serif);
}
.wc-expand-btn {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 4px;
  padding: 3px 12px;
  font-size: 11px;
  color: var(--dash-text-secondary, #6A6662);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.wc-expand-btn:hover {
  color: var(--dash-text-primary, #2C2825);
  border-color: var(--dash-text-primary, #2C2825);
}

/* 全文查看弹窗 */
.wc-fullview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  animation: fadeIn 0.2s ease;
}
.wc-fullview {
  background: var(--dash-bg-panel, #FFFFFF);
  border-radius: 2px;
  width: 100%;
  max-width: 860px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
  overflow: hidden;
}
.wc-fullview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
  background: #f8f9fa;
}
.wc-fullview-header h3 {
  margin: 0;
  font-size: var(--text-md);
  color: var(--color-text-primary);
}
.wc-fullview-close {
  background: none;
  border: none;
  font-size: 16px;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: 4px 8px;
  border-radius: 2px;
  transition: all var(--transition-fast);
}
.wc-fullview-close:hover { background: var(--color-bg-tertiary); }
.wc-fullview-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px;
}
.wc-fullview-content {
  font-family: var(--font-editor);
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-text-primary);
}
.wc-fullview-content h1, .wc-fullview-content h2, .wc-fullview-content h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}
.wc-fullview-content p { margin-bottom: 1em; }
.wc-fullview-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 13px;
}
.wc-fullview-content th, .wc-fullview-content td {
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  text-align: left;
}
.wc-fullview-content th { background: var(--color-bg-secondary); font-weight: 600; }



/* ============================================
   插图占位卡片
   ============================================ */
.bid-image-placeholder {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 16px 0;
  padding: 16px;
  border: 1px dashed var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 6px;
  background: var(--dash-bg-panel, #FFFFFF);
  transition: border-color var(--transition-fast);
}
.bid-image-placeholder:hover { border-color: var(--dash-text-primary, #2C2825); }

.bid-image-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 4px;
  background: rgba(44, 40, 37, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dash-text-primary, #2C2825);
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
}
.bid-image-desc { flex: 1; }
.bid-image-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--dash-text-primary, #2C2825);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.bid-image-caption {
  font-size: 13px;
  color: var(--dash-text-secondary, #6A6662);
  line-height: 1.5;
}
.bid-image-actions { flex-shrink: 0; }
.bid-img-upload-btn {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 4px;
  background: transparent;
  color: var(--dash-text-primary, #2C2825);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.bid-img-upload-btn:hover {
  background: var(--dash-text-primary, #2C2825);
  color: white;
}

/* ============================================
   全文预览弹窗：Mermaid 图表 + Markdown 富文本增强
   ============================================ */

/* Mermaid 图表容器 */
.wc-fullview-content .mermaid,
.wc-fullview-content pre.mermaid {
  background: var(--dash-bg-panel, #FFFFFF);
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 2px;
  padding: 20px;
  margin: 16px 0;
  overflow-x: auto;
  text-align: center;
}
.wc-fullview-content svg {
  max-width: 100%;
  height: auto;
}
.wc-fullview-content .bid-mermaid-inline {
  margin: 16px 0 20px;
}
.wc-fullview-content .bid-mermaid-inline .mermaid {
  text-align: center;
}

/* Markdown 表格增强 */
.wc-fullview-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
  border-radius: 0;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--dash-border-light, rgba(200, 195, 185, 0.5));
}
.wc-fullview-content th {
  background: rgba(44, 40, 37, 0.02);
  color: var(--dash-text-primary, #2C2825);
  font-weight: 500;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--dash-border-dark, rgba(200, 195, 185, 0.8));
}
.wc-fullview-content td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  color: var(--dash-text-primary, #2C2825);
}
.wc-fullview-content tr:last-child td { border-bottom: none; }
.wc-fullview-content tr:nth-child(even) td { background: var(--dash-bg-paper, #FDF9F3); }
.wc-fullview-content tr:hover td { background: rgba(44, 40, 37, 0.04); }

/* 代码块（非Mermaid） */
.wc-fullview-content code:not(.language-mermaid) {
  background: rgba(44, 40, 37, 0.04);
  color: var(--dash-text-primary, #2C2825);
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 13px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
}
.wc-fullview-content pre:not(.mermaid) {
  background: var(--dash-text-primary, #2C2825);
  color: #fff;
  padding: 16px;
  border-radius: 2px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
  margin: 16px 0;
}
.wc-fullview-content pre:not(.mermaid) code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

/* 引用块 */
.wc-fullview-content blockquote {
  border-left: 2px solid var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  background: transparent;
  margin: 16px 0;
  padding: 4px 16px;
  color: var(--dash-text-secondary, #6A6662);
  font-style: italic;
  font-family: var(--dash-font-serif, serif);
}

/* ============================================
   Step2：招标文件上传区域
   ============================================ */
.bid-upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  border: 1px dashed var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 2px;
  background: var(--dash-bg-panel, #FFFFFF);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  min-height: 140px;
}
.bid-upload-zone:hover {
  border-style: solid;
  border-color: var(--dash-text-primary, #2C2825);
  background: rgba(44, 40, 37, 0.02);
}
.bid-upload-zone.dragover {
  border-style: solid;
  border-color: var(--dash-text-primary, #2C2825);
  background: rgba(44, 40, 37, 0.04);
}

/* ============================================
   正文模式 (Content View)
   ============================================ */
.content-view-container {
  padding: 32px 40px;
  max-width: 900px;
  margin: 0 auto;
  font-family: var(--font-editor, 'Microsoft YaHei', serif);
  font-size: 15px;
  color: var(--color-text-primary);
  line-height: 1.9;
}

.cv-chapter {
  margin-bottom: 40px;
}

.cv-h1 {
  font-size: 22px;
  font-weight: 700;
  color: #1a3a6b;
  margin: 32px 0 16px;
  padding-bottom: 10px;
  border-bottom: 3px solid #c7d9ff;
}
.cv-h1:first-child { margin-top: 0; }

.cv-h2 {
  font-size: 18px;
  font-weight: 600;
  color: #2c5282;
  margin: 24px 0 12px;
  padding-left: 12px;
  border-left: 4px solid #6366f1;
}

.cv-h3 {
  font-size: 15px;
  font-weight: 600;
  color: #2a4365;
  margin: 20px 0 8px;
}

.cv-content {
  margin-bottom: 20px;
}
.cv-content p {
  margin: 8px 0;
  text-indent: 2em;
}
.cv-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
.cv-content th {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
  color: #1557b0;
  font-weight: 600;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
}
.cv-content td {
  padding: 9px 14px;
  border: 1px solid var(--color-border-light);
}
.cv-content tr:nth-child(even) td { background: #fafbff; }
.cv-content pre.mermaid,
.cv-content .mermaid {
  background: #f8faff;
  border: 1px solid #d0dcff;
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 16px 0;
  text-align: center;
}
.cv-content svg { max-width: 100%; height: auto; }
.cv-content blockquote {
  border-left: 4px solid var(--color-primary);
  background: #f8faff;
  margin: 16px 0;
  padding: 12px 16px;
  border-radius: 0;
  color: var(--color-text-secondary);
  font-style: italic;
}
.cv-content code:not(.language-mermaid) {
  background: #f0f4ff;
  color: #1557b0;
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 13px;
}

.cv-placeholder {
  padding: 12px 16px;
  color: var(--color-text-tertiary);
  font-style: italic;
  font-size: 13px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  margin: 8px 0;
}

/* ============================================
   打分标准 (Scoring Board)
   ============================================ */
.scoring-board {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 12px;
}

.score-category {
  background: var(--dash-bg-panel, #FFFFFF);
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 2px;
  overflow: hidden;
}

.score-cat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: rgba(44, 40, 37, 0.02);
  border-bottom: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
}

.sc-input {
  border: 1px solid transparent;
  background: transparent;
  font-family: inherit;
  color: var(--dash-text-primary, #2C2825);
  border-radius: 4px;
  padding: 4px 8px;
  transition: all var(--transition-fast);
}
.sc-input:hover {
  background: rgba(44, 40, 37, 0.04);
}
.sc-input:focus {
  background: #fff;
  border-color: var(--dash-text-primary, #2C2825);
  outline: none;
  box-shadow: inset 0 0 0 1px var(--dash-text-primary, #2C2825);
}

.sc-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--dash-text-primary, #2C2825);
  width: 60%;
}

.sc-score-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--dash-text-secondary, #6A6662);
  font-weight: 500;
}

.sc-score, .sc-item-score {
  width: 60px;
  text-align: center;
  font-weight: 500;
  color: var(--dash-accent, #DA755B);
}

.sc-del-btn, .sc-del-item-btn {
  background: none;
  border: none;
  color: var(--dash-text-tertiary, #A6A097);
  font-size: 18px;
  cursor: pointer;
  border-radius: 4px;
  padding: 0 6px;
  line-height: 1;
}
.sc-del-btn:hover, .sc-del-item-btn:hover {
  color: var(--color-error);
  background: rgba(239, 68, 68, 0.1);
}

.score-cat-body {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.score-item {
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 2px;
  padding: 12px;
  background: #fff;
}

.score-item-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.sc-item-title {
  font-size: 13.5px;
  font-weight: 500;
  width: 70%;
}

.sc-textarea {
  width: 100%;
  min-height: 60px;
  border: 1px dashed var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  background: transparent;
  border-radius: 2px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--dash-text-secondary, #6A6662);
  resize: vertical;
  line-height: 1.5;
  transition: all var(--transition-fast);
}
.sc-textarea:focus {
  background: var(--dash-bg-panel, #FFFFFF);
  border-color: var(--dash-text-primary, #2C2825);
  border-style: solid;
  outline: none;
}

.add-score-item-btn {
  background: none;
  border: 1px dashed var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 2px;
  padding: 10px;
  font-size: 13px;
  color: var(--dash-text-primary, #2C2825);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.add-score-item-btn:hover {
  background: rgba(44, 40, 37, 0.04);
  border-color: var(--dash-text-primary, #2C2825);
}

/* --- TPL 卡片 --- */
.tpl-card-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 10px;
  -webkit-overflow-scrolling: touch;
}

.tpl-card-list::-webkit-scrollbar {
  height: 4px;
}

.tpl-card-list::-webkit-scrollbar-thumb {
  background: var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  border-radius: 4px;
}

.tpl-card {
  flex-shrink: 0;
  min-width: 100px;
  padding: 10px 14px;
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  background: var(--dash-bg-panel, #FFFFFF);
}

.tpl-card:hover {
  border-color: var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  transform: translateY(-1px);
}

.tpl-card.active {
  border-color: var(--dash-text-primary, #2C2825);
  background: rgba(44, 40, 37, 0.02);
  box-shadow: inset 0 0 0 1px var(--dash-text-primary, #2C2825);
}

.tpl-card-icon {
  font-size: 24px;
  line-height: 1;
  margin-bottom: 6px;
  color: var(--dash-text-primary, #2C2825);
}

.tpl-card-name {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--dash-text-primary, #2C2825);
  white-space: nowrap;
}

.tpl-card-desc {
  font-size: 11px;
  color: var(--dash-text-secondary, #6A6662);
  margin-top: 2px;
}

/* ============================================
   Claude Unification Overrides
   ============================================ */

.bg-container {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(180deg, #f8fcff 0%, var(--dash-bg-paper, var(--color-bg)) 48%, var(--color-bg-secondary) 100%);
}

.bg-header,
.bg-footer {
  background: rgba(248, 252, 255, 0.92);
  backdrop-filter: blur(12px);
  border-color: var(--dash-border-light, rgba(200, 195, 185, 0.5));
  box-shadow: none;
}

.bg-stepper {
  max-width: 920px;
  padding: 0 24px;
}

.bg-card,
.score-category,
.wc-fullview,
.flowchart-picker-card,
.bid-upload-zone,
.s2-upload-card,
.s2-paste-card,
.boq-upload-zone,
.boq-paste-zone,
.tech-ref-item {
  background: rgba(255, 255, 255, 0.94);
  border-color: var(--dash-border-light, rgba(200, 195, 185, 0.5));
  box-shadow: 0 18px 36px -28px rgba(24, 50, 74, 0.16);
}

.bg-input,
.bg-textarea,
.sc-textarea,
.sc-input {
  background: rgba(255, 255, 255, 0.72);
  border-color: var(--dash-border-dark, rgba(200, 195, 185, 0.8));
}

.bg-input:focus,
.bg-textarea:focus,
.sc-textarea:focus,
.sc-input:focus {
  border-color: var(--dash-text-primary, #2C2825);
  box-shadow: 0 0 0 1px var(--dash-text-primary, #2C2825);
}

/* 主操作按鈕: 将 bg-btn-primary 这里排除，不用黑色覆盖，保持上方的蓝色语义 */
.wc-gen-btn:hover:not(:disabled),
.bid-img-upload-btn:hover,
.add-score-item-btn:hover {
  background: var(--dash-text-primary, #2C2825);
  border-color: var(--dash-text-primary, #2C2825);
  color: #fff;
}

.bg-btn-secondary,
.wc-gen-btn,
.wc-expand-btn,
.bid-img-upload-btn,
.add-score-item-btn {
  background: rgba(255, 255, 255, 0.68);
  border-color: var(--dash-border-dark, rgba(200, 195, 185, 0.8));
  color: var(--dash-text-primary, #2C2825);
}

/* 选中态保持蓝色语义，不用黑色覆盖 */
.bg-select-card.active,
.bid-type-card.active {
  /* 已在上方定义了蓝色语义，这里只覆盖其主要背景 */
  background: var(--color-primary-ultra-light);
}
.tpl-card.active,
.score-cat-header,
.score-item {
  background: rgba(44, 40, 37, 0.03);
}

.flowchart-picker-card:hover,
.bg-select-card:hover,
.bid-type-card:hover,
.tech-ref-item:hover,
.tpl-card:hover {
  border-color: var(--dash-text-primary, #2C2825);
  box-shadow: 0 12px 28px -24px rgba(44, 40, 37, 0.24);
}

.flowchart-picker-card-top span,
.card-badge {
  background: rgba(47, 111, 159, 0.08);
  color: var(--dash-accent, #DA755B);
  border-color: rgba(47, 111, 159, 0.24);
}

.analyze-result {
  background: rgba(47, 111, 159, 0.06);
  border-color: var(--dash-border-light, rgba(200, 195, 185, 0.5));
}

.content-view-container {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--dash-border-light, rgba(200, 195, 185, 0.5));
  border-radius: 0;
  box-shadow: 0 18px 36px -30px rgba(24, 50, 74, 0.16);
  margin-top: 18px;
}

.cv-h1,
.cv-h2,
.cv-h3 {
  color: var(--dash-text-primary, #2C2825);
  border-color: var(--dash-border-dark, rgba(200, 195, 185, 0.8));
}

.cv-content th {
  background: rgba(44, 40, 37, 0.04);
  color: var(--dash-text-primary, #2C2825);
}

.cv-content tr:nth-child(even) td {
  background: rgba(44, 40, 37, 0.02);
}

.cv-content pre.mermaid,
.cv-content .mermaid,
.wc-fullview-content .mermaid,
.wc-fullview-content pre.mermaid {
  background: #f9f3ea;
  border-color: var(--dash-border-light, rgba(200, 195, 185, 0.5));
}

.cv-content blockquote,
.wc-fullview-content blockquote {
  border-left-color: var(--dash-accent, #DA755B);
  background: rgba(208, 111, 85, 0.05);
}

.cv-content code:not(.language-mermaid),
.wc-fullview-content code:not(.language-mermaid) {
  background: rgba(44, 40, 37, 0.05);
  color: var(--dash-text-primary, #2C2825);
}

.wc-fullview-header {
  background: #f8f1e7;
}