Custom select day style

<script setup lang="ts">
import { ref } from "vue"
import { Card, CardContent } from "@/components/ui/card"
import { Calendar as CCalendar } from "@/components/ui/calendar"

const date = ref<Date | undefined>(new Date(2026, 0, 15))
</script>

<template>
  <Card class="p-0">
    <CardContent class="p-0">
      <CCalendar mode="single" v-model="date" day-button-class="!rounded-full" />
    </CardContent>
  </Card>
</template>