/* ==================== 建工万能助手 - 计算器样式补丁 ==================== */

/* === CalcHub - 分类入口页 === */
.calc-hub-page {
  min-height: 100vh;
  background: #f5f7fa;
  padding: 0 0 40px;
}

.calc-hub-header {
  background: linear-gradient(135deg, #409EFF 0%, #66b1ff 100%);
  padding: 24px 20px 20px;
  color: #fff;
}

.calc-hub-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 6px;
}

.calc-hub-subtitle {
  font-size: 13px;
  opacity: 0.85;
}

.calc-category-grid {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.calc-category-card {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  cursor: pointer;
  transition: all 0.2s ease;
}

.calc-category-card:hover {
  box-shadow: 0 4px 16px rgba(64,158,255,0.15);
  transform: translateY(-1px);
}

.calc-category-card:active {
  transform: scale(0.98);
}

.calc-category-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #e8f4fd, #d4ecfc);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #409EFF;
  flex-shrink: 0;
}

.calc-category-info {
  flex: 1;
  margin-left: 14px;
}

.calc-category-name {
  font-size: 16px;
  font-weight: 500;
  color: #303133;
}

.calc-category-count {
  font-size: 12px;
  color: #909399;
  margin-top: 4px;
}

.calc-category-arrow {
  color: #c0c4cc;
}

/* === 热门计算器 === */
.calc-popular-section {
  padding: 20px 16px 0;
}

.calc-section-title {
  font-size: 16px;
  font-weight: 600;
  color: #303133;
  margin-bottom: 12px;
}

.calc-popular-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.calc-popular-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  color: #606266;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.calc-popular-item:hover {
  background: #ecf5ff;
  color: #409EFF;
}

.calc-popular-icon {
  color: #409EFF;
}

/* === CalcCategory - 分类详情页 === */
.calc-category-page {
  min-height: 100vh;
  background: #f5f7fa;
  padding-bottom: 30px;
}

.calc-cat-header {
  background: #fff;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid #ebeef5;
}

.calc-cat-back {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #409EFF;
  cursor: pointer;
  font-size: 14px;
}

.calc-cat-title {
  font-size: 17px;
  font-weight: 600;
  color: #303133;
}

/* 子分类 Tab */
.calc-sub-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  overflow-x: auto;
  background: #fff;
  border-bottom: 1px solid #ebeef5;
}

.calc-sub-tab {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: #606266;
  background: #f5f7fa;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.calc-sub-tab.active {
  background: #409EFF;
  color: #fff;
}

.calc-sub-badge {
  background: rgba(0,0,0,0.1);
  border-radius: 10px;
  padding: 1px 6px;
  font-size: 11px;
}

.calc-sub-tab.active .calc-sub-badge {
  background: rgba(255,255,255,0.3);
}

/* 形状选择网格 */
.calc-shape-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 16px;
}

.calc-shape-card {
  background: #fff;
  border-radius: 12px;
  padding: 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.calc-shape-card:hover {
  border-color: #409EFF;
  box-shadow: 0 2px 12px rgba(64,158,255,0.15);
}

.calc-shape-card.active {
  border-color: #409EFF;
  background: #ecf5ff;
}

.calc-shape-icon {
  width: 100%;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.calc-shape-icon svg {
  max-width: 100%;
  max-height: 75px;
}

.calc-shape-name {
  font-size: 13px;
  color: #303133;
  font-weight: 500;
}

/* 参数面板 */
.calc-param-panel {
  margin: 16px;
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.calc-param-title {
  font-size: 16px;
  font-weight: 600;
  color: #303133;
  margin-bottom: 16px;
}

/* 模式切换 */
.calc-mode-switch {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
  padding: 10px 12px;
  background: #f5f7fa;
  border-radius: 8px;
}

/* 参数字段 */
.calc-fields {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 16px;
}

.calc-field-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.calc-field-label {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 120px;
  font-size: 13px;
  color: #606266;
  flex-shrink: 0;
}

.calc-field-unit {
  color: #909399;
  font-size: 12px;
}

.calc-infer-tag {
  margin-left: 4px;
}

.calc-field-input {
  flex: 1;
}

/* 精度 */
.calc-precision-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 13px;
  color: #606266;
}

/* 计算按钮 */
.calc-submit-btn {
  width: 100%;
  height: 44px;
  font-size: 16px;
  font-weight: 500;
  border-radius: 10px;
  margin-bottom: 16px;
}

/* 结果展示 */
.calc-result {
  background: #f0f9eb;
  border: 1px solid #e1f3d8;
  border-radius: 10px;
  padding: 16px;
}

.calc-result-title {
  font-size: 14px;
  font-weight: 600;
  color: #67C23A;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.calc-result-title::before {
  content: '✓';
  display: inline-flex;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #67C23A;
  color: #fff;
  font-size: 12px;
  align-items: center;
  justify-content: center;
}

.calc-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px dashed #e1f3d8;
}

.calc-result-row:last-of-type {
  border-bottom: none;
}

.calc-result-key {
  font-size: 13px;
  color: #606266;
}

.calc-result-val {
  font-size: 15px;
  font-weight: 600;
  color: #303133;
}

.calc-result-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

/* 查表 */
.calc-table-mode {
  margin-top: 16px;
}

.calc-table-title {
  font-size: 14px;
  font-weight: 500;
  color: #303133;
  margin-bottom: 10px;
}

/* === CalcPage - 左右分栏计算器页面 === */
.calc-page {
  display: flex;
  min-height: 100vh;
  background: #f5f7fa;
}

/* 左侧预览区 */
.calc-left-panel {
  width: 380px;
  background: linear-gradient(180deg, #ecf5ff 0%, #f5f7fa 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  position: relative;
  border-right: 1px solid #e4e7ed;
}

.calc-back-btn {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  color: #409EFF;
  transition: all 0.2s;
}

.calc-back-btn:hover {
  background: #409EFF;
  color: #fff;
}

.calc-svg-preview {
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(64,158,255,0.1);
  padding: 20px;
}

.calc-svg-preview svg {
  width: 100%;
  height: 100%;
}

.calc-svg-label {
  margin-top: 16px;
  font-size: 14px;
  color: #606266;
  font-weight: 500;
}

/* 右侧参数区 */
.calc-right-panel {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 32px 24px;
  overflow-y: auto;
}

.calc-right-card {
  width: 100%;
  max-width: 560px;
  background: #fff;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.calc-right-title {
  font-size: 20px;
  font-weight: 600;
  color: #303133;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid #ebeef5;
}

/* 密度选择行 */
.calc-density-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 13px;
  color: #606266;
}

/* 单位切换 */
.calc-unit-toggle {
  margin-bottom: 14px;
}

/* === 移动端适配 === */
@media (max-width: 768px) {
  .calc-page {
    flex-direction: column;
  }

  .calc-left-panel {
    width: 100%;
    padding: 24px 16px;
    border-right: none;
    border-bottom: 1px solid #e4e7ed;
    min-height: 200px;
  }

  .calc-svg-preview {
    width: 200px;
    height: 200px;
  }

  .calc-right-card {
    padding: 20px;
    border-radius: 12px;
  }

  .calc-field-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .calc-field-label {
    min-width: auto;
  }

  .calc-field-input {
    width: 100%;
  }

  .calc-popular-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .calc-shape-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .calc-category-grid {
    padding: 12px;
  }

  .calc-category-card {
    padding: 12px 16px;
  }

  .calc-category-icon {
    width: 40px;
    height: 40px;
  }

  .calc-right-card {
    padding: 16px;
  }
}

/* === 暗色模式适配 === */
@media (prefers-color-scheme: dark) {
  .calc-hub-page,
  .calc-category-page,
  .calc-page {
    background: #1a1a2e;
  }

  .calc-category-card,
  .calc-shape-card,
  .calc-param-panel,
  .calc-right-card {
    background: #16213e;
  }

  .calc-category-name,
  .calc-shape-name,
  .calc-param-title,
  .calc-right-title {
    color: #e0e0e0;
  }
}