nademitex_user/src/components/layout/BottomNav.vue

<script setup lang="ts">
import { computed } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { useCartStore } from '@/stores/cart'
import { MAIN_NAV_ITEMS, isNavItemActive } from '@/utils/navigation'

const route = useRoute()
const router = useRouter()
const cartStore = useCartStore()

const cartCount = computed(() => cartStore.itemCount)

function navigate(path: string, event: Event) {
  const target = event.currentTarget
  if (target instanceof HTMLElement) target.blur()

  // «ثبت سفارش»: سبد خالی → انتخاب شرکت؛ در غیر این صورت سبد خرید
  if (path === '/cart' && cartStore.itemCount === 0) {
    router.push('/companies')
    return
  }
  router.push(path)
}
</script>

<template>
  <nav class="bottom-nav" aria-label="ناوبری اصلی">
    <button
      v-for="item in MAIN_NAV_ITEMS"
      :key="item.name"
      type="button"
      class="nav-item"
      :class="{
        active: isNavItemActive(item.name, item.path, route.path),
        'nav-item--fab': item.name === 'order-fab',
      }"
      :aria-current="isNavItemActive(item.name, item.path, route.path) ? 'page' : undefined"
      :aria-label="item.label"
      @click="navigate(item.path, $event)"
    >
      <span class="nav-icon" :class="{ 'nav-icon--fab': item.name === 'order-fab' }">
        <component
          :is="item.icon"
          :size="item.name === 'order-fab' ? 26 : 22"
          :stroke-width="item.name === 'order-fab' ? 1.8 : 1.5"
          :color="item.name === 'order-fab' ? '#ffffff' : undefined"
        />
        <span
          v-if="item.name === 'order-fab' && cartCount > 0"
          class="nav-badge"
        >{{ cartCount }}</span>
      </span>
      <span v-if="item.name !== 'order-fab'" class="nav-label">{{ item.label }}</span>
      <span v-else class="nav-label nav-label--fab">{{ item.label }}</span>
    </button>
  </nav>
</template>

<style scoped>
.bottom-nav {
  flex-shrink: 0;
  min-height: var(--nav-height);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  z-index: 100;
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0));
}

@media (min-width: 768px) {
  .bottom-nav {
    display: none;
  }
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  margin: 0;
  padding: 4px 2px 2px;
  border: none;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  color: var(--color-text-muted);
  position: relative;
  min-width: 0;
  transition: color 0.15s;
}

.nav-item:focus,
.nav-item:focus-visible {
  outline: none;
}

.nav-item.active {
  color: var(--color-primary);
  background: transparent;
}

.nav-item.active .nav-label {
  font-weight: 700;
}

.nav-item--fab {
  justify-content: flex-end;
  color: var(--color-text-muted);
}

.nav-item--fab.active {
  color: var(--color-primary);
}

.nav-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  overflow: visible;
}

.nav-icon--fab {
  width: 52px;
  height: 52px;
  margin-top: -28px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(var(--color-primary-rgb), 0.35);
}

.nav-label {
  font-size: 0.6875rem;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
}

.nav-label--fab {
  font-size: 0.625rem;
}

.nav-badge {
  position: absolute;
  top: -2px;
  inset-inline-end: -2px;
  background: var(--color-danger);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
  pointer-events: none;
}
</style>