dianshang-qianduan/src/views/product/index.vue

<template>
  <div class="market-selection-page student-training-shell">
    <main class="training-core">
      <section class="task-header">
        <div class="task-badge">产品规划与设计</div>
        <h1 class="task-title">{{ taskTitle }}</h1>
      </section>

      <TrainingTaskBrief
        :background="taskBackground"
        :goals="taskGoals"
        :requirements="taskRequirement"
        :show-material="false"
      />

      <section class="task-card">
      <div class="workbench-head workbench-head--actions-only">
          <div class="workbench-actions">
            <TrainingMaterialButton
              :material-name="taskConfig?.materialName"
              :material-url="taskConfig?.materialUrl"
              :training-data-name="taskConfig?.trainingDataName"
              :training-data-url="taskConfig?.trainingDataUrl"
              :guide-manual-name="taskConfig?.guideManualName"
              :guide-manual-url="taskConfig?.guideManualUrl"
              :ai-manual-name="taskConfig?.aiManualName"
              :ai-manual-url="taskConfig?.aiManualUrl"
            />
            <button type="button" class="outline-action" @click="exportOutcome">
              <el-icon><Download /></el-icon>
              导出实训成果
            </button>
          </div>
        </div>

        <nav v-if="steps.length" class="step-indicator" aria-label="市场机会识别与选品步骤">
          <template v-for="step in steps" :key="step.no">
            <button
              type="button"
              :class="['step-tab', { active: currentStep === step.no, complete: currentStep > step.no }]"
              :aria-label="`切换至第 ${step.no} 步：${step.name}`"
              :aria-current="currentStep === step.no ? 'step' : undefined"
              @click="changeStep(step.no)"
            >
              <span class="step-marker" aria-hidden="true">{{ String(step.no).padStart(2, '0') }}</span>
              <span class="step-copy">
                <strong class="step-name" :title="step.name">{{ step.name }}</strong>
                <span class="step-action">{{ currentStep === step.no ? '当前步骤' : '点击切换' }} <span aria-hidden="true">→</span></span>
              </span>
            </button>
            <span v-if="step.no < steps.length" class="step-connector" aria-hidden="true"></span>
          </template>
        </nav>

        <section class="step-card market-selection-step-card">
        <div v-if="activeStepName" class="step-title-row">
          <div>
            <p class="section-eyebrow">Step {{ String(currentStep).padStart(2, '0') }}</p>
            <h3>{{ activeStepName }}</h3>
          </div>
        </div>

        <section v-show="currentStep === 1" class="step-content">
          <p class="task-desc">聚焦“智能空气监测仪/空气质量检测仪”品类，完成以下 PEST 分析表。</p>

          <div class="pest-table-wrap">
            <div class="table-title">PEST分析表</div>
            <div class="pest-table">
              <div class="pest-row pest-head">
                <div>分析维度</div>
                <div>具体影响因素与现象</div>
                <div>初步识别的市场机会与风险</div>
              </div>
              <div v-for="row in pestRows" :key="row.key" class="pest-row">
                <div class="dimension-cell">{{ row.label }}</div>
                <textarea v-model="form.pest[row.key].factor" :placeholder="row.factorPlaceholder" />
                <textarea v-model="form.pest[row.key].opportunity" :placeholder="row.opportunityPlaceholder" />
              </div>
            </div>
          </div>
        </section>

        <section v-show="currentStep === 2" class="step-content">
          <p class="task-desc">访问天猫或京东平台，选择“小米（米家）”“青萍”等作为主要竞品分析对象，完成下表。</p>
          <div class="competitor-fields">
            <label>
              <span>竞争对手A：</span>
              <input v-model="form.competitor.competitorA" />
            </label>
            <label>
              <span>竞争对手B：</span>
              <input v-model="form.competitor.competitorB" />
            </label>
          </div>
          <div class="training-table-wrap">
            <div class="table-title">竞争对手分析与需求挖掘表</div>
            <table class="training-data-table">
              <thead>
                <tr>
                  <th>分析项目</th>
                  <th>竞争对手A：{{ form.competitor.competitorA }}</th>
                  <th>竞争对手B：{{ form.competitor.competitorB }}</th>
                  <th>发现的市场缺口与核心痛点</th>
                </tr>
              </thead>
              <tbody>
                <tr v-for="row in form.competitor.rows" :key="row.key">
                  <td class="dimension-cell">{{ row.name }}</td>
                  <td><textarea v-model="row.competitorA" class="cell-textarea" /></td>
                  <td><textarea v-model="row.competitorB" class="cell-textarea" /></td>
                  <td><textarea v-model="row.gap" class="cell-textarea" /></td>
                </tr>
              </tbody>
            </table>
          </div>
          <label class="field-block">
            <span>我们的初步对策：</span>
            <textarea v-model="form.competitor.strategy" class="input-field" rows="5" placeholder="针对上述痛点，我们计划：" />
          </label>
        </section>

        <section v-show="currentStep === 3" class="step-content">
          <p class="task-desc">根据销量、市场增长率和相对市场份额，完成数据化选品判断。</p>
          <div class="training-table-wrap">
            <div class="table-title">汇总计算结果</div>
            <table class="training-data-table compact-table">
              <thead>
                <tr>
                  <th>产品类别</th>
                  <th>市场增长率（%）</th>
                  <th>市场增长率行业均值</th>
                  <th>相对市场份额（%）</th>
                  <th>相对市场份额均值</th>
                  <th>产品分类</th>
                </tr>
              </thead>
              <tbody>
                <tr v-for="row in form.dataSelection.rows" :key="row.category">
                  <td>{{ row.category }}</td>
                  <td><input v-model="row.growthRate" class="cell-input small-input" /></td>
                  <td>10%</td>
                  <td><input v-model="row.relativeShare" class="cell-input small-input" /></td>
                  <td>100%</td>
                  <td>
                    <select v-model="row.classification" class="cell-select">
                      <option value="">请选择</option>
                      <option>明星产品</option>
                      <option>现金牛产品</option>
                      <option>问题产品</option>
                      <option>瘦狗产品</option>
                    </select>
                  </td>
                </tr>
              </tbody>
            </table>
          </div>
          <label class="field-block">
            <span>请结合百度指数分析波士顿矩阵模型在数据化选品中的优缺点：</span>
            <textarea v-model="form.dataSelection.reflection" class="input-field" rows="5" />
          </label>
        </section>

        <section v-show="currentStep === 4" class="step-content">
          <p class="task-desc">基于以上分析，运用 SWOT 思路进行综合判断，并得出初步决策。</p>
          <label class="field-block">
            <span>我们的优势：</span>
            <textarea v-model="form.swot.strengths" class="input-field" rows="4" placeholder="团队在____方面有专长；可以采用____策略降低成本等。" />
          </label>
          <label class="field-block">
            <span>我们的劣势：</span>
            <textarea v-model="form.swot.weaknesses" class="input-field" rows="4" placeholder="已提取交互____；应避免与巨头在____方面直接竞争等。" />
          </label>
          <label class="field-block">
            <span>我们的机会：</span>
            <textarea v-model="form.swot.opportunities" class="input-field" rows="4" placeholder="宏观环境中的____趋势；竞争对手普遍存在的____短板。" />
          </label>
          <label class="field-block">
            <span>我们的威胁：</span>
            <textarea v-model="form.swot.threats" class="input-field" rows="4" placeholder="巨头的可能模仿；技术快速迭代等。" />
          </label>
          <label class="field-block">
            <span>结论：基于以上分析，给出具体结论，是否继续开发相关产品，开发什么样的产品</span>
            <textarea v-model="form.swot.conclusion" class="input-field" rows="6" />
          </label>
        </section>

        <div v-if="steps.length" class="step-actions">
          <el-button class="step-action-btn step-action-btn--previous" :disabled="currentStep === 1" @click="previousStep">
            <el-icon><ArrowLeft /></el-icon>
            上一步
          </el-button>
          <el-button class="step-action-btn step-action-btn--save" :loading="saving" @click="saveCurrentProgress">
            <el-icon><CircleCheck /></el-icon>
            保存当前进度
          </el-button>
          <el-button class="step-action-btn step-action-btn--next" :disabled="currentStep === steps.length" @click="nextStep">
            下一步
            <el-icon><ArrowRight /></el-icon>
          </el-button>
        </div>

        <div class="training-actions">
          <el-button class="training-action training-action--submit" :loading="saving" @click="submitTask">
            提交任务
          </el-button>
          <el-button class="training-action training-action--reset" @click="resetTraining">
            重新实训
          </el-button>
        </div>
        </section>
      </section>
    </main>

    <TrainingAiSidebar
      study-tip="当前步骤建议：先从政策、经济、社会、技术四类因素中提取关键现象，再判断对应的机会与风险。"
      reference-title="选品机会判断参考"
      reference-text="· 政治：政策补贴、标准认证、合规门槛<br />· 经济：价格带、采购成本、市场规模<br />· 社会：健康意识、家庭场景、消费偏好<br />· 技术：传感器、联网能力、数据分析能力"
      assist-text="可以把每个维度先写成“现象 -> 机会/风险”的句式，最后再汇总判断是否适合作为选品方向。"
      :progress-items="progressItems"
    />
  </div>
</template>

<script setup>
import { ArrowLeft, ArrowRight, CircleCheck, Download } from "@element-plus/icons-vue";
import TrainingAiSidebar from "@/views/components/TrainingAiSidebar.vue";
import TrainingMaterialButton from "@/views/components/TrainingMaterialButton.vue";
import TrainingTaskBrief from "@/views/components/TrainingTaskBrief.vue";
import { getTrainingTaskByKey } from "@/api/trainingTask";
import { parseTrainingArray } from "@/views/training/taskKeyMap";
import { getStudentTrainingAnswer, saveStudentTrainingAnswer } from "@/api/studentTrainingAnswer";

const TASK_KEY = "market-opportunity-selection";
const { proxy } = getCurrentInstance();

const taskConfig = ref(null);
const saving = ref(false);
const currentStep = ref(1);

const defaultRequirement = "市场机会识别与选品需要把宏观环境、竞争态势、需求数据和品类适配度结合起来，判断产品是否具备进入价值。";
const defaultBackground =
  "以智能空气监测仪/空气质量检测仪为例，学生需要从 PEST 四个维度识别外部环境中的机会与风险，并形成后续选品判断依据。";
const defaultGoals = [
  "掌握从宏观环境中识别产品机会的方法。",
  "能够使用 PEST 模型拆解品类机会与风险。",
  "能够为后续数据化选品和综合判断提供结构化依据。",
];

const pestRows = [
  {
    key: "political",
    label: "政治",
    factorPlaceholder: "填写政策、标准、认证、监管等因素",
    opportunityPlaceholder: "填写可能带来的机会或合规风险",
  },
  {
    key: "economic",
    label: "经济",
    factorPlaceholder: "填写价格带、市场规模、采购成本、消费能力等因素",
    opportunityPlaceholder: "填写市场容量、成本优势或价格风险",
  },
  {
    key: "social",
    label: "社会",
    factorPlaceholder: "填写健康意识、家庭场景、用户偏好等因素",
    opportunityPlaceholder: "填写用户需求、场景增长或接受度风险",
  },
  {
    key: "technology",
    label: "技术",
    factorPlaceholder: "填写传感器、联网、数据分析、产品稳定性等因素",
    opportunityPlaceholder: "填写技术差异化机会或落地风险",
  },
];

function createForm() {
  return {
    pest: {
      political: { factor: "", opportunity: "" },
      economic: { factor: "", opportunity: "" },
      social: { factor: "", opportunity: "" },
      technology: { factor: "", opportunity: "" },
    },
    competitor: {
      competitorA: "",
      competitorB: "",
      rows: [
        { key: "price", name: "核心产品与定价", competitorA: "", competitorB: "", gap: "" },
        { key: "selling", name: "核心卖点", competitorA: "", competitorB: "", gap: "" },
        { key: "review", name: "用户评价分析（聚焦中差评）", competitorA: "", competitorB: "", gap: "" },
      ],
      strategy: "",
    },
    dataSelection: {
      rows: [
        { category: "电饭煲", growthRate: "5.17%", relativeShare: "101.75%", classification: "现金牛产品" },
        { category: "扫地机器人", growthRate: "24.41%", relativeShare: "143.95%", classification: "明星产品" },
        { category: "咖啡机", growthRate: "18.67%", relativeShare: "37.64%", classification: "问题产品" },
        { category: "电动牙刷", growthRate: "2.36%", relativeShare: "41.74%", classification: "瘦狗产品" },
      ],
      reflection: "",
    },
    swot: {
      strengths: "",
      weaknesses: "",
      opportunities: "",
      threats: "",
      conclusion: "",
    },
  };
}

const form = ref(createForm());

const taskTitle = computed(() => taskConfig.value?.taskName || "市场机会识别与选品");
const taskBackground = computed(() => taskConfig.value?.background || defaultBackground);
const taskGoals = computed(() => parseArray(taskConfig.value?.objectives, defaultGoals));
const taskRequirement = computed(() => taskConfig.value?.requirements || defaultRequirement);
const flowSteps = computed(() => parseTrainingArray(taskConfig.value?.steps, []));
const steps = computed(() =>
  flowSteps.value.map((name, index) => ({
    no: index + 1,
    name,
  }))
);
const activeStepName = computed(() => steps.value[currentStep.value - 1]?.name || "");

watch(steps, (items) => {
  if (items.length && currentStep.value > items.length) {
    currentStep.value = items.length;
  }
});

const progressItems = computed(() => [
  { text: "进行中：PEST 四维度分析", status: "doing" },
  {
    text: isPestStarted.value ? "已填写：市场机会与风险" : "待完成：市场机会与风险",
    status: isPestStarted.value ? "done" : "",
  },
  { text: "待完成：导出实训结果", status: "" },
]);

const isPestStarted = computed(() =>
  Object.values(form.value.pest).some((item) => item.factor?.trim() || item.opportunity?.trim())
);

onMounted(async () => {
  await loadTaskConfig();
  await loadSavedAnswer();
});

async function loadTaskConfig() {
  try {
    const res = await getTrainingTaskByKey(TASK_KEY);
    taskConfig.value = res?.data || null;
  } catch (error) {
    taskConfig.value = null;
  }
}

async function loadSavedAnswer() {
  try {
    const res = await getStudentTrainingAnswer(TASK_KEY);
    const answer = res?.data;
    if (answer?.step1Answer) {
      applySavedAnswer(answer.step1Answer);
    }
  } catch (error) {
    // 保持页面可用，后端异常时不阻断学生填写。
  }
}

function parseArray(value, fallback) {
  if (Array.isArray(value)) {
    return value.length ? value : fallback;
  }
  if (!value) {
    return fallback;
  }
  try {
    const parsed = JSON.parse(value);
    return Array.isArray(parsed) && parsed.length ? parsed : fallback;
  } catch (error) {
    const list = String(value)
      .split(/[；;|]/)
      .map((item) => item.trim())
      .filter(Boolean);
    return list.length ? list : fallback;
  }
}

function applySavedAnswer(value) {
  try {
    const parsed = JSON.parse(value);
    if (!parsed || typeof parsed !== "object") return;
    const base = createForm();
    form.value = {
      ...base,
      ...parsed,
      pest: {
        ...base.pest,
        ...(parsed.pest || {}),
      },
      competitor: {
        ...base.competitor,
        ...(parsed.competitor || {}),
      },
      dataSelection: {
        ...base.dataSelection,
        ...(parsed.dataSelection || {}),
      },
      swot: {
        ...base.swot,
        ...(parsed.swot || {}),
      },
    };
    currentStep.value = Math.min(Math.max(Number(parsed.currentStep || 1), 1), 4);
  } catch (error) {
    // 忽略历史异常数据。
  }
}

function buildAnswerPayload(status) {
  const saveAction = status === "SUBMITTED" ? "SUBMIT" : status === "RESET" ? "RESET" : "SAVE";
  return {
    saveAction,
    currentStep: currentStep.value,
    step1Answer: JSON.stringify({
      taskKey: TASK_KEY,
      taskName: taskTitle.value,
      taskId: taskConfig.value?.id || "",
      currentStep: currentStep.value,
      flowSteps: flowSteps.value,
      ...form.value,
    }),
  };
}

async function persist(status = "IN_PROGRESS", silent = false) {
  saving.value = true;
  try {
    await saveStudentTrainingAnswer(TASK_KEY, buildAnswerPayload(status));
    if (!silent) {
      proxy?.$modal?.msgSuccess(status === "SUBMITTED" ? "提交成功" : "保存成功");
    }
  } catch (error) {
    if (!silent) {
      proxy?.$modal?.msgError?.(status === "SUBMITTED" ? "提交失败" : "保存失败");
    }
  } finally {
    saving.value = false;
  }
}

function saveCurrentProgress() {
  return persist("IN_PROGRESS");
}

function changeStep(targetStep) {
  const maxStep = steps.value.length;
  if (!maxStep) return;
  const next = Math.min(Math.max(Number(targetStep) || 1, 1), maxStep);
  if (next === currentStep.value) return;
  currentStep.value = next;
  void persist("IN_PROGRESS", true);
}

function previousStep() {
  changeStep(currentStep.value - 1);
}

function nextStep() {
  changeStep(currentStep.value + 1);
}

function submitTask() {
  return persist("SUBMITTED");
}

async function resetTraining() {
  form.value = createForm();
  currentStep.value = 1;
  await persist("RESET");
}

function exportOutcome() {
  const content = {
    taskName: taskTitle.value,
    flowSteps: flowSteps.value,
    currentStep: currentStep.value,
    ...form.value,
  };
  const blob = new Blob([JSON.stringify(content, null, 2)], { type: "application/json;charset=utf-8" });
  const url = URL.createObjectURL(blob);
  const link = document.createElement("a");
  link.href = url;
  link.download = `${taskTitle.value || "市场机会识别与选品"}-实训结果.json`;
  link.click();
  URL.revokeObjectURL(url);
}
</script>

<style lang="scss" scoped>
.market-selection-page {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(720px, 1fr) 340px;
  gap: 24px;
  width: 100%;
  max-width: 100%;
  min-height: calc(100vh - 106px);
  margin: 0;
  padding: 24px 24px 32px;
  color: #1e3a5f;
  background: #ffffff;
}

.training-core {
  padding: 28px;
  border: 1px solid #cfe2f5;
  border-radius: 36px;
  background: #f0f6fd;
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(30, 136, 229, 0.05);
  backdrop-filter: blur(8px);
}

.task-header {
  margin-bottom: 24px;
}

.task-badge {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 4px 14px;
  border: 1px solid #cfe2f5;
  border-radius: 30px;
  color: #1e3a5f;
  background: #e3f2fd;
  font-size: var(--student-fs-caption);
  font-weight: 700;
}

.task-title {
  margin: 0;
  color: transparent;
  background: linear-gradient(135deg, #1565c0, #1e88e5);
  -webkit-background-clip: text;
  background-clip: text;
  font-size: var(--student-fs-display);
  line-height: 1.3;
  font-weight: 900;
}

.goal-bg,
.task-card,
.step-card {
  margin-bottom: 28px;
  padding: 18px 22px;
  border: 1px solid #cfe2f5;
  border-radius: 26px;
  background: #f0f6fd;
}

.goal-bg {
  p,
  li {
    color: #2c4a6a;
    font-size: var(--student-fs-body);
    line-height: 1.8;
  }

  p,
  ol {
    margin: 0;
  }

  ol {
    padding-left: 18px;
  }
}

.subtitle-icon {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: #5a7a9a;
  font-weight: 800;
}

.subtitle-icon--spaced {
  margin-top: 12px;
}

.workbench-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid #cfe2f5;

  h3 {
    margin: 4px 0 8px;
    color: #1e3a5f;
    font-size: var(--student-fs-h1);
    font-weight: 800;
    line-height: 1.3;
  }
}

.workbench-actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  margin-left: auto;
  justify-content: flex-end;
  gap: 10px;
}

.section-eyebrow {
  margin: 0;
  color: #1e88e5;
  font-size: var(--student-fs-caption);
  font-weight: 800;
  line-height: 1.4;
}

.workbench-description {
  margin: 0;
  color: #2c4a6a;
  font-size: var(--student-fs-body);
  font-weight: 400;
  line-height: 1.8;
}

.outline-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid #cfe2f5;
  border-radius: 999px;
  color: #1e3a5f;
  background: #e3f2fd;
  font-size: var(--student-fs-button);
  font-weight: 800;

  &:hover:not(.is-disabled) {
    transform: translateY(-1px);
    border-color: #1e88e5;
    background: #bbdefb;
  }
}

.step-indicator {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0;
  width: calc(100% + 24px);
  margin: 0 -12px 32px;
  padding: 18px 22px;
  border: 1px solid #cfe2f5;
  border-radius: 18px;
  background:
    linear-gradient(90deg, #f0f6fd, #f0f6fd),
    #f0f6fd;
  box-shadow: inset 0 1px 0 rgba(30, 136, 229, 0.05);
  overflow-x: auto;
}

.step-tab {
  display: flex;
  flex: 1 0 145px;
  align-items: center;
  min-width: 0;
  min-height: 66px;
  padding: 8px 10px;
  border: 1px solid #cfe2f5;
  border-radius: 8px;
  color: #5a7a9a;
  background: #f0f6fd;
  box-shadow: inset 0 1px 0 rgba(30, 136, 229, 0.03);
  font-family: inherit;
  font-size: var(--student-fs-body);
  font-weight: 800;
  cursor: pointer;
  text-align: left;
  transition: transform 0.2s ease, color 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;

  &:hover {
    border-color: #1e88e5;
    color: #1e3a5f;
    background: #bbdefb;
    box-shadow: 0 7px 18px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(30, 136, 229, 0.1);
    transform: translateY(-2px);

    .step-action {
      color: #1e88e5;
    }
  }

  &:focus-visible {
    outline: 2px solid #1e88e5;
    outline-offset: 4px;
  }

  &.active {
    border-color: #1e88e5;
    color: #ffffff;
    background: linear-gradient(115deg, #1e88e5, #1565c0);
    box-shadow: 0 0 18px rgba(30, 136, 229, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.2);

    .step-marker {
      border-color: #1e88e5;
      color: #ffffff;
      background: linear-gradient(135deg, #1e88e5, #1565c0);
      box-shadow: 0 0 0 5px rgba(30, 136, 229, 0.15), 0 0 18px rgba(30, 136, 229, 0.4);
    }
  }

  &.complete {
    color: #2c4a6a;

    .step-marker {
      border-color: #1e88e5;
      color: #1e3a5f;
      background: #bbdefb;
      box-shadow: 0 0 12px rgba(30, 136, 229, 0.25);
    }
  }
}

.step-marker {
  display: inline-flex;
  flex: 0 0 38px;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid #cfe2f5;
  border-radius: 50%;
  color: #5a7a9a;
  background: #f0f6fd;
  box-shadow: inset 0 0 12px rgba(30, 136, 229, 0.06);
  font-size: var(--student-fs-caption);
  font-weight: 900;
  letter-spacing: 0.04em;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.step-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
  margin-left: 10px;
}

.step-name {
  display: -webkit-box;
  overflow: hidden;
  color: inherit;
  font-size: var(--student-fs-body);
  font-weight: 800;
  line-height: 1.25;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.step-action {
  color: #1e88e5;
  font-size: var(--student-fs-caption);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1;
}

.step-connector {
  position: relative;
  flex: 0 0 32px;
  min-width: 18px;
  height: 2px;
  margin: 0 14px;
  overflow: visible;
  background: #cfe2f5;
}

.step-connector::after {
  position: absolute;
  top: 50%;
  right: -1px;
  width: 6px;
  height: 6px;
  border-top: 1px solid #1e88e5;
  border-right: 1px solid #1e88e5;
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.step-tab.complete + .step-connector {
  background: linear-gradient(90deg, #bbdefb, #1e88e5);
  box-shadow: 0 0 9px rgba(30, 136, 229, 0.3);

  &::after {
    border-color: #1e88e5;
  }
}

.step-card {
  margin-bottom: 0;
}

.step-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;

  h3 {
    margin: 4px 0 0;
    color: #1e3a5f;
    font-size: var(--student-fs-h2);
    font-weight: 900;
    line-height: 1.3;
  }
}

.task-desc {
  margin: 0 0 20px;
  color: #2c4a6a;
  font-size: var(--student-fs-body);
  line-height: 1.8;
}

.pest-table-wrap {
  margin-top: 12px;
}

.table-title {
  margin-bottom: 12px;
  color: #2c4a6a;
  font-size: var(--student-fs-body);
  font-weight: 800;
  text-align: left;
}

.pest-table {
  overflow: hidden;
  border: 1px solid #cfe2f5;
  border-radius: 22px;
  background: #f0f6fd;
}

.pest-row {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) minmax(0, 1fr);
  border-top: 1px solid #cfe2f5;

  > div,
  > textarea {
    min-height: 132px;
    border: 0;
    border-right: 1px solid #cfe2f5;
  }

  > :last-child {
    border-right: 0;
  }
}

.pest-head {
  border-top: 0;
  background: #bbdefb;

  > div {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 10px 12px;
    color: #1e3a5f;
    font-weight: 900;
    text-align: center;
  }
}

.dimension-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  color: #1e3a5f;
  font-weight: 900;
}

.pest-row textarea {
  width: 100%;
  padding: 14px 16px;
  outline: none;
  resize: vertical;
  color: #1e3a5f;
  background: #ffffff;
  font-size: var(--student-fs-body);
  line-height: 1.65;
  transition: background 0.16s ease, box-shadow 0.16s ease;

  &::placeholder {
    color: #5a7a9a;
    opacity: 0.9;
  }

  &:focus {
    background: #ffffff;
    box-shadow: inset 0 0 0 2px #1e88e5;
  }
}

.competitor-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 18px;

  label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #2c4a6a;
    font-weight: 800;
  }

  input {
    width: 190px;
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid #cfe2f5;
    border-radius: 14px;
    color: #1e3a5f;
    background: #ffffff;
    outline: none;
  }
}

.training-table-wrap {
  overflow-x: auto;
  border: 1px solid #cfe2f5;
  border-radius: 22px;
  background: #f0f6fd;
}

.training-data-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;

  th,
  td {
    border: 1px solid #cfe2f5;
    padding: 12px;
    vertical-align: top;
  }

  th {
    color: #1e3a5f;
    background: #bbdefb;
    font-size: var(--student-fs-body);
    font-weight: 900;
    text-align: center;
  }

  td {
    color: #2c4a6a;
    background: #f0f6fd;
  }
}

.compact-table {
  min-width: 720px;
}

.field-block {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  margin-bottom: 14px;
  color: #2c4a6a;
  font-size: var(--student-fs-body);
  font-weight: 800;

  > span {
    line-height: 1.6;
  }
}

.input-field,
.cell-input,
.cell-textarea,
.cell-select {
  width: 100%;
  border: 1px solid #cfe2f5;
  border-radius: 14px;
  color: #1e3a5f;
  background: #ffffff;
  font-family: inherit;
  font-size: var(--student-fs-body-sm);
  outline: none;
  transition: 0.2s;

  &:focus {
    border-color: #1e88e5;
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.12);
  }

  &::placeholder {
    color: #5a7a9a;
  }
}

.input-field {
  min-height: 110px;
  padding: 12px 16px;
  line-height: 1.8;
  resize: vertical;
}

.cell-input,
.cell-select {
  min-height: 36px;
  padding: 8px 10px;
}

.small-input {
  max-width: 110px;
  text-align: center;
}

.cell-textarea {
  min-height: 96px;
  padding: 10px;
  line-height: 1.7;
  resize: vertical;
}

.training-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 52px;
  margin-top: 36px;
}

.training-actions :deep(.training-action) {
  min-width: 172px;
  height: 64px;
  padding: 0 28px;
  border: 1px solid #1e88e5;
  border-radius: 6px;
  color: #2c4a6a;
  background: #e3f2fd;
  box-shadow: none;
  font-size: var(--student-fs-h1);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: none;
}

.training-actions :deep(.training-action span) {
  display: inline-flex;
  align-items: center;
  color: inherit;
  font-size: inherit;
  line-height: 1;
}

.training-actions :deep(.training-action--submit),
.training-actions :deep(.training-action--reset),
.training-actions :deep(.training-action--export) {
  border-color: #1e88e5;
  color: #2c4a6a;
  background: #e3f2fd;
}

.training-actions :deep(.training-action:hover:not(.is-disabled)) {
  border-color: #1565c0;
  color: #1e3a5f;
  background: #bbdefb;
}

.step-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 22px;
}

.step-actions :deep(.step-action-btn) {
  min-height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: var(--student-fs-button);
  font-weight: 800;
}

.step-actions :deep(.step-action-btn--previous) {
  border-color: #cfe2f5;
  color: #1e3a5f;
  background: #e3f2fd;
}

.step-actions :deep(.step-action-btn--save),
.step-actions :deep(.step-action-btn--next) {
  border-color: #1e88e5;
  color: #ffffff;
  background: linear-gradient(95deg, #1e88e5, #1565c0);
}

.step-actions :deep(.step-action-btn:hover:not(.is-disabled)) {
  transform: translateY(-1px);
}

.step-actions :deep(.step-action-btn.is-disabled) {
  opacity: 0.45;
  cursor: not-allowed;
}

@media (max-width: 1100px) {
  .market-selection-page {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .training-core {
    padding: 18px;
    border-radius: 24px;
  }

  .workbench-head,
  .workbench-actions,
  .step-title-row,
  .step-actions,
  .training-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .workbench-actions :deep(.material-download),
  .workbench-actions .outline-action {
    width: 100%;
  }

  .market-selection-page {
    padding: 14px 14px 18px;
  }

  .step-indicator {
    width: 100%;
    margin: 0 0 32px;
    padding: 16px;
    overflow: visible;
    flex-direction: column;
    align-items: stretch;
    border-radius: 20px;
  }

  .step-tab {
    flex: 0 0 auto;
    width: 100%;
    min-width: 0;
  }

  .step-connector {
    flex: 0 0 20px;
    align-self: flex-start;
    width: 2px;
    min-width: 0;
    height: 20px;
    margin: 4px 0 4px 18px;
  }

  .step-connector::after {
    top: auto;
    right: auto;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%) rotate(135deg);
  }

  .step-actions,
  .training-actions {
    gap: 14px;
  }

  .step-actions :deep(.step-action-btn),
  .training-actions :deep(.training-action) {
    width: 100%;
  }
}

@media (max-width: 760px) {
  .pest-table {
    overflow-x: auto;
  }

  .pest-row {
    grid-template-columns: 110px repeat(2, minmax(220px, 1fr));
    min-width: 650px;
  }
}
.workbench-head--actions-only {
  justify-content: flex-end;
  margin-bottom: 18px;
  padding-bottom: 0;
  border-bottom: 0;
}
</style>