KCGL/inventory-web/src/views/transaction/borrow.vue

<template>
  <div class="app-container mobile-optimized">
    <el-card class="box-card" shadow="never">
      <template #header>
        <div class="card-header">
          <div class="title-box">
            <span>借库作业 (领用人签字)</span>
            <el-tag v-if="cartItems.length > 0" type="warning" size="small" effect="dark">
              已选 {{ cartItems.length }} 项
            </el-tag>
          </div>
        </div>
      </template>

      <!-- ★ 审批单选择下拉框 -->
      <div class="approval-request-select">
        <el-select
            v-model="selectedApprovalId"
            placeholder="请选择已通过审批的借库申请单"
            filterable
            clearable
            style="width: 100%"
            :loading="requestsLoading"
            @change="handleApprovalChange"
        >
          <el-option
              v-for="req in approvalRequests"
              :key="req.id"
              :value="req.id"
              :label="req.request_no"
          >
            <span>{{ req.request_no }}</span>
            <el-divider direction="vertical" />
            <span>{{ req.borrower_name || '未知借库人' }}</span>
            <el-divider direction="vertical" />
            <span style="color: #909399; font-size: 13px">{{ req.remark || '无备注' }}</span>
          </el-option>
        </el-select>
        <p class="select-tip">仅显示已通过（status=1）的审批单</p>
      </div>

      <!-- ★ 审批计划清单预览 -->
      <div v-if="selectedApproval" class="planned-items-section">
        <div class="planned-header">
          <span class="planned-title">审批计划清单</span>
          <el-tag type="success" size="small">{{ plannedItems.length }} 种</el-tag>
        </div>
        <el-table :data="plannedItems" border size="small" style="width: 100%;">
          <el-table-column type="index" label="序号" width="60" align="center" />
          <el-table-column label="类型" width="80" align="center">
            <template #default="{ row }">
              <el-tag size="small" type="info">{{ row.material_type || '-' }}</el-tag>
            </template>
          </el-table-column>
          <el-table-column prop="name" label="名称" min-width="120" show-overflow-tooltip />
          <el-table-column prop="spec_model" label="规格" min-width="100" show-overflow-tooltip />
          <el-table-column prop="warehouse_location" label="库位" width="100" show-overflow-tooltip />
          <el-table-column label="审批数量" width="90" align="center">
            <template #default="{ row }">
              <span style="color: #E6A23C; font-weight: bold;">{{ row.quantity ?? '-' }}</span>
            </template>
          </el-table-column>
        </el-table>
      </div>

      <div class="scan-section">
        <div v-if="userStore.hasPermission('op_borrow:operation')" class="camera-placeholder" @click="showCamera = true">
          <el-icon :size="40" color="#409EFF"><CameraFilled /></el-icon>
          <span class="text">点击开启全屏扫码</span>
        </div>
        <div v-else class="camera-placeholder" style="background-color: #f5f5f5; cursor: not-allowed;">
          <el-icon :size="40" color="#909399"><CameraFilled /></el-icon>
          <span class="text">无扫码权限</span>
        </div>

        <div class="input-box">
          <el-input
              v-model="barcodeInput"
              placeholder="扫描或输入条码回车"
              @keyup.enter="handleManualInput"
              clearable
              ref="barcodeRef"
              size="large"
              :disabled="!userStore.hasPermission('op_borrow:operation')"
          >
            <template #prefix>
              <el-icon><Scissor /></el-icon>
            </template>
            <template #append>
              <el-button @click="handleManualInput" :disabled="!userStore.hasPermission('op_borrow:operation')">添加</el-button>
            </template>
          </el-input>
        </div>
      </div>

      <div class="cart-section">
        <div v-if="cartItems.length > 0">
          <el-table :data="cartItems" border stripe style="width: 100%">
            <el-table-column v-if="hasColumnPermission('name')" prop="name" label="物品名称" min-width="120" show-overflow-tooltip />
            <el-table-column v-if="hasColumnPermission('sku')" prop="sku" label="SKU" width="120" show-overflow-tooltip />

            <el-table-column v-if="hasColumnPermission('available_quantity')" label="可用库存" width="90" align="center">
              <template #default="{row}">
                <el-tag type="info">{{ parseFloat(row.available_quantity) }}</el-tag>
              </template>
            </el-table-column>

            <el-table-column v-if="hasColumnPermission('out_quantity')" label="借用数" width="130" align="center">
              <template #default="{row}">
                <el-input-number
                    v-model="row.out_quantity"
                    :min="1"
                    :max="parseFloat(row.available_quantity)"
                    size="small"
                    style="width: 100px"
                    :disabled="!userStore.hasPermission('op_borrow:operation')"
                />
              </template>
            </el-table-column>

            <el-table-column v-if="userStore.hasPermission('op_borrow:operation')" label="操作" width="60" align="center" fixed="right">
              <template #default="{$index}">
                <el-button type="danger" icon="Delete" circle size="small" @click="removeFromCart($index)" />
              </template>
            </el-table-column>
          </el-table>
        </div>
        <el-empty v-else description="暂无物品，请扫码借出" :image-size="80" />
      </div>

      <div v-if="cartItems.length > 0" class="form-section">
        <el-divider content-position="left">借用登记信息</el-divider>

        <el-form :model="form" ref="formRef" :rules="rules" label-position="top">
          <el-row :gutter="15">
            <el-col :span="24">
              <el-form-item label="领用人/借用人" prop="borrower_name">
                <el-input v-model="form.borrower_name" placeholder="请输入姓名" size="large" />
              </el-form-item>
            </el-col>

            <el-col :span="24">
              <el-form-item label="预计归还日期" prop="expected_return_time">
                <el-date-picker
                    v-model="form.expected_return_time"
                    type="date"
                    placeholder="请选择日期"
                    style="width: 100%"
                    size="large"
                    value-format="YYYY-MM-DD"
                    :disabled="isIndefinite"
                    :disabled-date="disabledDate"
                />
              </el-form-item>
            </el-col>

            <el-col :span="24">
              <el-checkbox v-model="isIndefinite" @change="handleIndefiniteChange">
                无限期/长期借用（不设归还期限）
              </el-checkbox>
            </el-col>
          </el-row>

          <el-form-item label="备注说明" prop="remark">
            <el-input v-model="form.remark" type="textarea" :rows="2" placeholder="用途说明..." />
          </el-form-item>

          <el-form-item label="领用人签名确认" required>
            <div class="signature-box" @click="openSignatureDialog" v-if="userStore.hasPermission('op_borrow:operation')">
              <div v-if="signaturePreviewUrl" class="signed-img">
                <img :src="signaturePreviewUrl" alt="签名" />
                <span class="re-sign-tip">点击重签</span>
              </div>
              <div v-else class="unsigned-placeholder">
                <el-icon :size="24"><EditPen /></el-icon>
                <span>点击此处进行全屏签名</span>
              </div>
            </div>
            <div v-else class="signature-box" style="background-color: #f5f5f5; cursor: not-allowed;">
              <div class="unsigned-placeholder">
                <el-icon :size="24"><EditPen /></el-icon>
                <span>无签名权限</span>
              </div>
            </div>
          </el-form-item>

          <div class="bottom-actions">
            <el-button v-if="userStore.hasPermission('op_borrow:operation')" @click="clearAll" icon="Refresh">清空</el-button>
            <el-button v-if="userStore.hasPermission('op_borrow:operation')" type="primary" size="large" :loading="loading" @click="submitForm" icon="Select">
              确认借出
            </el-button>
          </div>
        </el-form>
      </div>
    </el-card>

    <div v-if="showCamera" class="fullscreen-scanner-overlay">
      <div class="scanner-header">
        <el-button circle icon="Close" @click="showCamera = false" class="close-btn" />
        <span class="scanner-title">扫码模式</span>
        <div class="scanner-placeholder"></div>
      </div>

      <div class="scanner-body">
        <QrScanner @decode="onScanSuccess" />
      </div>

      <div class="scanner-footer">
        <p>请将条码/二维码放入镜头范围</p>
        <p v-if="cartItems.length > 0" class="current-count">已添加: {{ cartItems.length }} 项</p>
      </div>
    </div>

    <el-dialog
        v-model="showSignatureDialog"
        fullscreen
        destroy-on-close
        :show-close="false"
        class="fullscreen-signature-dialog"
        @opened="initCanvas"
    >
      <div class="signature-wrapper">
        <div class="signature-canvas-container" ref="canvasContainerRef">
          <canvas
              ref="nativeCanvasRef"
              class="native-canvas"
              @mousedown="startDrawing"
              @mousemove="draw"
              @mouseup="stopDrawing"
              @mouseleave="stopDrawing"
              @touchstart="startDrawing"
              @touchmove="draw"
              @touchend="stopDrawing"
          ></canvas>
          <div class="canvas-tip">请在此区域横屏书写</div>
        </div>

        <div class="signature-sidebar">
          <div class="sidebar-title">电子签名</div>
          <div class="sidebar-actions">
            <el-button type="warning" @click="clearCanvas">重写</el-button>
            <el-button @click="handleSignCancel">取消</el-button>
            <el-button type="success" class="confirm-btn" @click="handleSignConfirm">确认使用</el-button>
          </div>
        </div>
      </div>
    </el-dialog>

  </div>
</template>

<script setup lang="ts">
import { ref, reactive, nextTick, onUnmounted, computed } from 'vue'
import { ElMessage, ElMessageBox } from 'element-plus'
import { Scissor, EditPen, Delete, CameraFilled, Close, Refresh, Select } from '@element-plus/icons-vue'
import QrScanner from '@/components/QrScanner/index.vue'
import { getStockByBarcode } from '@/api/outbound'
import { dispatchBorrow, getBorrowApprovalList } from '@/api/transaction'
import { uploadFile } from '@/api/common/upload'
import { useUserStore } from '@/stores/user'

const userStore = useUserStore()

// 列与权限Code的映射关系
const permissionMap: Record<string, string> = {
  borrower_name: 'op_borrow:borrower_name',
  sku: 'op_borrow:sku',
  available_quantity: 'op_borrow:available_quantity',
  out_quantity: 'op_borrow:out_quantity',
}

const hasColumnPermission = (prop: string) => {
  if (userStore.role === 'SUPER_ADMIN' || userStore.username === 'IRIS') return true
  const code = permissionMap[prop]
  return code ? userStore.hasPermission(code) : false
}

// --- 状态定义 ---
const barcodeInput = ref('')
const cartItems = ref<any[]>([])
const loading = ref(false)
const showCamera = ref(false)
const barcodeRef = ref()
const formRef = ref()

// ★ 审批单选择
const approvalRequests = ref<any[]>([])
const selectedApprovalId = ref<number | null>(null)
const requestsLoading = ref(false)

const selectedApproval = computed(() =>
  selectedApprovalId.value
    ? approvalRequests.value.find(r => r.id === selectedApprovalId.value) ?? null
    : null
)

const plannedItems = computed(() => selectedApproval.value?.items ?? [])

// ★ 加载已通过审批的借库申请单列表
const loadApprovalRequests = async () => {
  requestsLoading.value = true
  try {
    const res: any = await getBorrowApprovalList({ status: 1, page: 1, limit: 100 })
    approvalRequests.value = res.data?.items || []
  } catch (e) {
    console.error('加载借库审批单列表失败', e)
  } finally {
    requestsLoading.value = false
  }
}

// ★ 切换审批单时：清空购物车和签名，防止跨单据污染
const handleApprovalChange = (val: number | null) => {
  if (!val) {
    selectedApprovalId.value = null
  }
  cartItems.value = []
  signatureFile.value = null
  signaturePreviewUrl.value = ''
  barcodeInput.value = ''
}

// ★ 扫码校验：比对扫描物料是否在审批计划清单内，且累计数量不超过审批上限
const validateAgainstPlan = (scannedName: string, scannedSpec: string, scannedQty: number): string | null => {
  const normalizedName = scannedName.trim()
  const normalizedSpec = (scannedSpec || '').trim()

  const matchedPlan = plannedItems.value.find(plan => {
    const planName = (plan.name || '').trim()
    const planSpec = (plan.spec_model || '').trim()
    return planName === normalizedName && planSpec === normalizedSpec
  })

  if (!matchedPlan) {
    return `该物料【${normalizedName} × ${normalizedSpec}】不在审批计划清单中，请检查`
  }

  const planQty = matchedPlan.quantity ?? 0

  // 购物车中已扫的同名同规格物料累计数量
  const alreadyScanned = cartItems.value
    .filter(ci => {
      const ciName = (ci.name || '').trim()
      const ciSpec = (ci.spec_model || '').trim()
      return ciName === normalizedName && ciSpec === normalizedSpec
    })
    .reduce((sum, ci) => sum + (ci.out_quantity || 0), 0)

  if (alreadyScanned + scannedQty > planQty) {
    return `【${normalizedName} × ${normalizedSpec}】超出审批数量（审批: ${planQty}，已扫: ${alreadyScanned}，本次: ${scannedQty}）`
  }

  return null
}

// 签名相关
const showSignatureDialog = ref(false)
const signaturePreviewUrl = ref('')
const signatureFile = ref<File | null>(null)
const nativeCanvasRef = ref<HTMLCanvasElement | null>(null)
const canvasContainerRef = ref<HTMLElement | null>(null)
const ctx = ref<CanvasRenderingContext2D | null>(null)
const isDrawing = ref(false)
const lastX = ref(0)
const lastY = ref(0)

const form = reactive({
  borrower_name: '',
  expected_return_time: '',
  remark: ''
})

const rules = computed(() => ({
  borrower_name: [{ required: true, message: '请输入借用人姓名', trigger: 'blur' }],
  expected_return_time: [
    { required: !isIndefinite.value, message: '请选择预计归还日期', trigger: 'change' }
  ]
}))

const isIndefinite = ref(false)

const handleIndefiniteChange = (val: boolean) => {
  if (val) form.expected_return_time = ''
}

const disabledDate = (time: Date) => {
  return time.getTime() < Date.now() - 8.64e7
}

// --- 核心扫码逻辑 ---
const onScanSuccess = (code: string) => {
  if (!code) return
  const trimCode = code.trim()
  const validPattern = /^[A-Za-z0-9\-\.]+$/
  if (!validPattern.test(trimCode)) {
    ElMessage.warning(`识别到异常符号，已忽略：${trimCode}`)
    return
  }
  if (trimCode.length < 3) {
    ElMessage.warning('扫描结果过短，请对准重试')
    return
  }
  if (loading.value) return
  barcodeInput.value = trimCode
  handleManualInput()
}

const handleManualInput = async () => {
  if (!userStore.hasPermission('op_borrow:operation')) {
    ElMessage.warning('无操作权限')
    return
  }
  const code = barcodeInput.value.trim()
  if (!code) return

  // ★ 必须先选择审批单
  if (!selectedApproval.value) {
    ElMessage.warning('请先选择要执行借库的审批申请单')
    return
  }

  try {
    loading.value = true

    // 查重：条码或 SKU 匹配已扫记录
    const existIndex = cartItems.value.findIndex(item => item.barcode === code || item.sku === code)
    if (existIndex > -1) {
      const item = cartItems.value[existIndex]

      // ★ 追加前仍需校验审批数量上限
      const err = validateAgainstPlan(item.name, item.spec_model, 1)
      if (err) {
        ElMessage.error(err)
        if (navigator.vibrate) navigator.vibrate([200, 100, 200])
        barcodeInput.value = ''
        return
      }

      const maxQty = parseFloat(item.available_quantity)
      if (item.out_quantity < maxQty) {
        item.out_quantity++
        ElMessage.success(`数量+1 (当前: ${item.out_quantity})`)
        if (navigator.vibrate) navigator.vibrate(50)
      } else {
        ElMessage.warning(`库存不足 (余: ${maxQty})`)
        if (navigator.vibrate) navigator.vibrate([100, 50, 100])
      }
      barcodeInput.value = ''
      return
    }

    // 查库
    const res = await getStockByBarcode(code)
    if (res.data) {
      const item = res.data
      const availQty = parseFloat(item.available_quantity || 0)

      if (availQty <= 0) {
        ElMessage.warning(`库存不足或已借出 (余: ${availQty})`)
        if (navigator.vibrate) navigator.vibrate([100, 50, 100])
        barcodeInput.value = ''
        return
      }

      // ★ 扫码加入前强校验：不在清单内或超量直接阻断
      const err = validateAgainstPlan(item.name, item.spec_model, 1)
      if (err) {
        ElMessage.error(err)
        if (navigator.vibrate) navigator.vibrate([200, 100, 200])
        barcodeInput.value = ''
        return
      }

      cartItems.value.push({
        ...item,
        out_quantity: 1,
        price: 0
      })
      ElMessage.success(`添加成功: ${item.name}`)
      if (navigator.vibrate) navigator.vibrate(100)
      barcodeInput.value = ''
    }
  } catch (error: any) {
    if (error.response && error.response.status === 404) {
      ElMessage.error(`未找到条码: ${code}`)
    } else {
      ElMessage.error('查询出错')
    }
    if (navigator.vibrate) navigator.vibrate([200, 100, 200])
  } finally {
    loading.value = false
    if (!showCamera.value) {
      nextTick(() => { barcodeRef.value?.focus() })
    }
  }
}

const removeFromCart = (index: number) => {
  if (!userStore.hasPermission('op_borrow:operation')) {
    ElMessage.warning('无操作权限')
    return
  }
  cartItems.value.splice(index, 1)
}

const clearAll = () => {
  if (!userStore.hasPermission('op_borrow:operation')) {
    ElMessage.warning('无操作权限')
    return
  }
  ElMessageBox.confirm('确定清空所有已选物品吗?', '提示', { type: 'warning' })
      .then(() => {
        cartItems.value = []
        form.borrower_name = ''
        form.remark = ''
        form.expected_return_time = ''
        signatureFile.value = null
        signaturePreviewUrl.value = ''
        barcodeInput.value = ''
        isIndefinite.value = false
        // 仅清空购物车，保留审批单选择
      })
}

// --- 提交逻辑 ---
const submitForm = async () => {
  if (!userStore.hasPermission('op_borrow:operation')) {
    ElMessage.warning('无操作权限')
    return
  }
  if (!formRef.value) return
  if (cartItems.value.length === 0) return ElMessage.warning('请先添加物品')
  if (!selectedApprovalId.value) return ElMessage.warning('请选择关联的审批申请单')

  await formRef.value.validate(async (valid: boolean) => {
    if (!valid) {
      const requiredMsg = isIndefinite.value ? '请填写完整的必填项（姓名）' : '请填写完整的必填项（姓名、归还日期）'
      ElMessage.error(requiredMsg)
      return
    }
    if (!signatureFile.value) {
      ElMessage.error('请领用人进行电子签名')
      return
    }

    try {
      loading.value = true

      // 上传签名
      const uploadRes = await uploadFile(signatureFile.value)
      const signatureUrl = uploadRes.data.url

      // ★ 规范 Payload：只包含后端需要的最小字段
      const itemsPayload = cartItems.value.map(item => {
        let safeQty = Number(item.out_quantity)
        if (isNaN(safeQty) || safeQty <= 0) safeQty = 1

        return {
          stock_id: item.id || 0,
          source_table: item.source_table || '',
          sku: item.sku ? String(item.sku) : (item.barcode ? String(item.barcode) : 'NO_SKU'),
          barcode: item.barcode ? String(item.barcode) : '',
          out_quantity: safeQty
        }
      })

      if (itemsPayload.length === 0) {
        ElMessage.warning('请至少扫描一件物料后再提交')
        return
      }

      await dispatchBorrow({
        approval_id: selectedApprovalId.value,
        items: itemsPayload,
        borrower_name: form.borrower_name,
        signature_path: signatureUrl,
        remark: form.remark,
        expected_return_time: isIndefinite.value ? null : form.expected_return_time
      })

      ElMessage.success('借用成功')
      cartItems.value = []
      form.borrower_name = ''
      form.expected_return_time = ''
      form.remark = ''
      signatureFile.value = null
      signaturePreviewUrl.value = ''
      showCamera.value = false
      isIndefinite.value = false

    } catch (error: any) {
      console.error(error)
      ElMessage.error(error.response?.data?.msg || '提交失败')
    } finally {
      loading.value = false
    }
  })
}

// --- 签名逻辑 ---
const openSignatureDialog = () => {
  if (!userStore.hasPermission('op_borrow:operation')) {
    ElMessage.warning('无签名权限')
    return
  }
  showSignatureDialog.value = true
}

const initCanvas = async () => {
  await nextTick()
  const canvas = nativeCanvasRef.value
  const container = canvasContainerRef.value
  if (canvas && container) {
    canvas.width = container.clientWidth
    canvas.height = container.clientHeight
    ctx.value = canvas.getContext('2d')
    if (ctx.value) {
      ctx.value.lineWidth = 4
      ctx.value.lineCap = 'round'
      ctx.value.lineJoin = 'round'
      ctx.value.strokeStyle = '#000000'
      ctx.value.fillStyle = '#ffffff'
      ctx.value.fillRect(0, 0, canvas.width, canvas.height)
    }
  }
}

const getPos = (e: MouseEvent | TouchEvent) => {
  if (!nativeCanvasRef.value) return { x: 0, y: 0 }
  const rect = nativeCanvasRef.value.getBoundingClientRect()
  const clientX = e.type.startsWith('touch') ? (e as TouchEvent).touches[0].clientX : (e as MouseEvent).clientX
  const clientY = e.type.startsWith('touch') ? (e as TouchEvent).touches[0].clientY : (e as MouseEvent).clientY
  return { x: clientX - rect.left, y: clientY - rect.top }
}

const startDrawing = (e: MouseEvent | TouchEvent) => {
  e.preventDefault()
  isDrawing.value = true
  const { x, y } = getPos(e)
  lastX.value = x; lastY.value = y
  ctx.value?.beginPath()
  ctx.value?.moveTo(x, y)
}

const draw = (e: MouseEvent | TouchEvent) => {
  e.preventDefault()
  if (!isDrawing.value || !ctx.value) return
  const { x, y } = getPos(e)
  ctx.value.lineTo(x, y)
  ctx.value.stroke()
}

const stopDrawing = () => { isDrawing.value = false }

const clearCanvas = () => {
  if (!ctx.value || !nativeCanvasRef.value) return
  ctx.value.clearRect(0, 0, nativeCanvasRef.value.width, nativeCanvasRef.value.height)
  ctx.value.fillStyle = '#ffffff'
  ctx.value.fillRect(0, 0, nativeCanvasRef.value.width, nativeCanvasRef.value.height)
}

const handleSignConfirm = () => {
  nativeCanvasRef.value?.toBlob((blob) => {
    if (blob) {
      const file = new File([blob], `sign_${Date.now()}.png`, { type: 'image/png' })
      signatureFile.value = file
      signaturePreviewUrl.value = URL.createObjectURL(file)
      showSignatureDialog.value = false
    }
  }, 'image/png')
}

const handleSignCancel = () => { showSignatureDialog.value = false }

// --- 初始化 ---
import { onMounted } from 'vue'
onMounted(() => {
  loadApprovalRequests()
})

onUnmounted(() => {
  if (signaturePreviewUrl.value) URL.revokeObjectURL(signaturePreviewUrl.value)
})
</script>

<style scoped>
.app-container.mobile-optimized {
  padding: 10px; max-width: 600px; margin: 0 auto;
}

/* 头部 */
.card-header { display: flex; justify-content: space-between; align-items: center; }
.title-box { font-size: 16px; font-weight: bold; display: flex; align-items: center; gap: 8px; }

/* 审批单选择 */
.approval-request-select { margin-bottom: 16px; }
.select-tip { color: #909399; font-size: 12px; margin: 4px 0 0 0; }

/* 计划清单 */
.planned-items-section { margin-bottom: 16px; background: #f5f7fa; border-radius: 6px; padding: 12px; }
.planned-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.planned-title { font-size: 13px; font-weight: bold; color: #606266; }

/* 扫码区 */
.scan-section { margin-bottom: 20px; }
.camera-placeholder {
  height: 120px; background: #f5f7fa; border: 1px dashed #dcdfe6; border-radius: 8px;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  color: #909399; margin-bottom: 10px; cursor: pointer;
  transition: all 0.3s;
}
.camera-placeholder:active { background: #e6e8eb; }
.camera-placeholder .text { margin-top: 5px; font-size: 13px; }

/* 全屏扫码层 */
.fullscreen-scanner-overlay {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: #000; z-index: 9999; display: flex; flex-direction: column;
}
.scanner-header {
  height: 60px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 15px; background: rgba(0,0,0,0.6); color: #fff;
  position: absolute; top: 0; width: 100%; z-index: 10;
}
.scanner-title { font-size: 16px; font-weight: bold; }
.close-btn { background: rgba(255,255,255,0.2); border: none; color: #fff; }
.scanner-body {
  flex: 1; width: 100%; position: relative; display: flex;
  align-items: center; justify-content: center;
}
:deep(.qr-scanner-container) { width: 100% !important; height: 100% !important; border-radius: 0 !important; }
.scanner-footer {
  position: absolute; bottom: 0; width: 100%; padding: 20px;
  background: rgba(0,0,0,0.6); color: #fff; text-align: center; z-index: 10;
}
.current-count { color: #67c23a; font-weight: bold; margin-top: 5px; font-size: 16px; }

/* 表单与购物车 */
.cart-section { margin-bottom: 20px; }
.form-section { background: #fff; }
.signature-box {
  border: 1px dashed #dcdfe6; border-radius: 6px; height: 100px;
  background: #fcfcfc; display: flex; justify-content: center; align-items: center; cursor: pointer;
}
.unsigned-placeholder { display: flex; flex-direction: column; align-items: center; color: #909399; font-size: 13px; }
.signed-img img { max-height: 90px; }
.re-sign-tip { display: block; text-align: center; font-size: 12px; color: #409EFF; margin-top: 2px; }
.bottom-actions { display: flex; justify-content: space-between; margin-top: 30px; }
.bottom-actions .el-button { width: 48%; }

/* 全屏签名弹窗 */
:deep(.fullscreen-signature-dialog .el-dialog__body) { padding: 0; height: 100%; display: flex; }
.signature-wrapper { display: flex; width: 100%; height: 100%; }
.signature-canvas-container { flex: 1; position: relative; background: #fff; overflow: hidden; }
.native-canvas { display: block; width: 100%; height: 100%; touch-action: none; }
.canvas-tip {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  color: #ccc; font-size: 20px; pointer-events: none; opacity: 0.5; writing-mode: vertical-lr;
}
.signature-sidebar {
  width: 120px; background: #333; color: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 20px 10px;
}
.sidebar-title { writing-mode: vertical-rl; font-size: 18px; letter-spacing: 5px; margin-bottom: 30px; font-weight: bold; }
.sidebar-actions { display: flex; flex-direction: column; gap: 20px; width: 100%; }
.sidebar-actions .el-button { width: 100%; margin: 0; height: 50px; }

@media screen and (max-width: 768px) {
  .signature-wrapper { flex-direction: column; }
  .signature-canvas-container { flex: 1; }
  .canvas-tip { writing-mode: horizontal-tb; bottom: 50%; }
  .signature-sidebar { width: 100%; height: auto; flex-direction: row; padding: 10px; justify-content: space-between; }
  .sidebar-title { display: none; }
  .sidebar-actions { flex-direction: row; width: 100%; gap: 10px; }
  .sidebar-actions .el-button { flex: 1; height: 40px; }
}
</style>