nademitex_user/src/components/layout/PageHeader.vue

<script setup lang="ts">
import IconChevronBack from '@/components/icons/IconChevronBack.vue'
import AuthThemeToggle from '@/components/ui/AuthThemeToggle.vue'

defineOptions({
  inheritAttrs: false,
})

defineProps<{
  title: string
  subtitle?: string
  showBack?: boolean
  centered?: boolean
}>()

defineEmits<{
  back: []
}>()
</script>

<template>
  <template v-if="centered">
    <header class="page-nav" v-bind="$attrs">
      <button
        v-if="showBack"
        type="button"
        class="nav-btn"
        aria-label="بازگشت"
        @click="$emit('back')"
      >
        <IconChevronBack :size="20" />
      </button>
      <span v-else class="nav-btn" />
      <h1 class="page-nav__title">{{ title }}</h1>
      <div class="page-nav__trailing">
        <slot name="trailing" />
        <AuthThemeToggle variant="inline" class="mobile-only" />
      </div>
    </header>
    <p v-if="subtitle" class="page-nav__subtitle">{{ subtitle }}</p>
  </template>

  <header v-else class="page-header" v-bind="$attrs">
    <button
      v-if="showBack"
      type="button"
      class="back-btn"
      aria-label="بازگشت"
      @click="$emit('back')"
    >
      <IconChevronBack :size="20" />
    </button>
    <div class="header-text">
      <h1 class="page-title">{{ title }}</h1>
      <p v-if="subtitle" class="page-subtitle">{{ subtitle }}</p>
    </div>
    <div class="page-header__trailing">
      <slot name="trailing" />
      <AuthThemeToggle variant="inline" class="mobile-only" />
    </div>
  </header>
</template>

<style scoped>
.page-nav {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  margin-bottom: 8px;
  padding-inline: var(--page-padding);
  padding-top: 8px;
  background: var(--color-surface);
  color: var(--color-text);
}

.page-nav__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  text-align: center;
  color: var(--color-text);
}

.page-nav__subtitle {
  margin: 0 0 16px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.5;
}

.page-nav__trailing {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0;
  min-height: 40px;
}

.nav-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.page-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  padding-inline: var(--page-padding);
  padding-top: 8px;
  color: var(--color-text);
}

.page-header__trailing {
  margin-inline-start: auto;
  display: flex;
  align-items: center;
  gap: 0;
  color: inherit;
}

.back-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition:
    border-color 0.15s,
    background 0.15s;
}

.back-btn:hover {
  border-color: var(--color-border);
  background: var(--color-summary-bg);
}

.header-text {
  flex: 1;
  min-width: 0;
  padding-top: 2px;
}

.page-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
  color: var(--color-text);
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 4px 0 0;
  line-height: 1.5;
}
</style>