<template>
  <div class="page-container">
    <!-- 导航栏 -->
    <div class="nav-bar">
      <div class="nav-left" @click="$router.back()">
        <svg width="24" height="24" viewBox="0 0 24 24" fill="none"><path d="M15 18L9 12L15 6" stroke="#333" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>
      </div>
      <div class="nav-title" >设置密码</div>
      <div class="nav-right"></div>
    </div>

    <div class="content">

      <!-- 表单区域 -->
      <div class="form-group">
        <label class="form-label">填写支付密码</label>
        <div class="input-wrapper">
          <input
            type="password"
            v-model="password"
            placeholder="请输入"
            class="custom-input"
            maxlength="6"
          />
        </div>
      </div>

      <div class="form-group">
        <label class="form-label">请确认支付密码</label>
        <!-- 这里的 class 用于演示截图中的选中状态效果，实际使用中浏览器自带 focus 样式 -->
        <div class="input-wrapper">
          <input
            type="password"
            v-model="confirmPassword"
            placeholder="请输入"
            class="custom-input"
            maxlength="6"
          />
        </div>
      </div>

      <!-- 提交按钮 -->
      <div class="footer-action">
        <button class="submit-btn" @click="handleSubmit">提交</button>
      </div>

    </div>
  </div>
</template>

<script setup>
import { ref } from 'vue';
import { useRouter } from 'vue-router';
// 引入 Vant Toast (如果你的项目有安装 Vant，没有则用 alert)
// import { showToast } from 'vant';

const router = useRouter();

const password = ref('');
const confirmPassword = ref('');

const handleSubmit = () => {
  if (!password.value || !confirmPassword.value) {
    alert('请输入密码');
    return;
  }
  if (password.value !== confirmPassword.value) {
    alert('两次输入的密码不一致');
    return;
  }
  if (password.value.length < 6) {
    alert('密码长度不能少于6位');
    return;
  }

  // 提交逻辑...
  console.log('提交密码:', password.value);
  alert('设置成功');
  router.back();
};
</script>

<style scoped>
.page-container {
  min-height: 100vh;
  background-color: #fff;
  display: flex; flex-direction: column;
}

/* 导航栏 */
.nav-bar {
  display: flex; justify-content: space-between; align-items: center;
  height: 44px; padding: 0 16px; background: #fff;
  position: sticky; top: 0; z-index: 10;
}
.nav-title { font-size: 18px; font-weight: 600; color: #333; }
.nav-left, .nav-right { width: 40px; display: flex; align-items: center; }

/* 内容区 */
.content {
  padding: 20px;
  flex: 1;
  display: flex; flex-direction: column;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 16px;
  color: #333;
  font-weight: 500;
  margin-bottom: 12px;
}

/* 输入框样式 */
.custom-input {
  width: 100%;
  height: 50px;
  background: #F7F8FA; /* 截图中的浅灰背景 */
  border: 1px solid transparent; /* 默认无边框 */
  border-radius: 8px;
  padding: 0 16px;
  font-size: 16px;
  color: #333;
  box-sizing: border-box;
  outline: none; /* 去掉浏览器默认的黑框 */
  transition: all 0.2s;
}

/* 占位符颜色 */
.custom-input::placeholder {
  color: #C2C4CC;
}

/* 核心细节：输入框聚焦时变蓝 */
.custom-input:focus {
  border-color: #2B6BFF; /* 截图中的亮蓝色边框 */
  background: #fff;      /* 聚焦时背景可能变白，视设计而定，这里保留灰底或变白均可 */
}

/* 底部按钮区域 */
.footer-action {
  margin-top: auto; /* 把按钮推到最底部 */
  padding-bottom: 30px;
}

.submit-btn {
  width: 100%;
  height: 48px;
  background: #E02F44; /* 截图中的红色 */
  color: #fff;
  border: none;
  border-radius: 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}
.submit-btn:active {
  opacity: 0.9;
}
</style>