<script lang="ts" setup name="PageHeader">
defineProps({
  title: {
    type: String,
    required: true,
  },
  content: {
    type: String,
    default: '',
  },
})

const slots = useSlots()
</script>

<template>
  <div class="header">
    <div class="main">
      <div class="title">
        {{ title }}
      </div>
      <div class="content">
        <slot name="content">
          {{ content }}
        </slot>
      </div>
    </div>
    <div v-if="slots.default" class="sub">
      <slot />
    </div>
  </div>
</template>

<style lang="scss" scoped>
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding: 16px 20px;
  background-color: var(--g-app-bg);
  transition: background-color 0.3s;

  .main {
    flex: 1;
    margin-right: 20px;

    .title {
      font-size: 22px;
      color: var(--el-text-color-primary);
      transition: var(--el-transition-color);
    }

    .content {
      margin-top: 10px;
      font-size: 14px;
      color: var(--el-text-color-secondary);
      transition: var(--el-transition-color);

      &:empty {
        display: none;
      }
    }
  }

  .sub {
    flex: none;
  }
}

[data-mode="mobile"] {
  .header {
    flex-direction: column;

    .main {
      margin-right: auto;
      margin-bottom: 20px;
    }
  }
}
</style>