2026-01-17 11:41:46 +07:00
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<script setup lang="ts">
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import { ref } from 'vue'
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import { useRouter } from 'vue-router'
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const router = useRouter()
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const uploadedPhotos = ref<string[]>([])
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const fileInputRef = ref<HTMLInputElement>()
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const totalPhotos = 4
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2026-01-17 13:20:17 +07:00
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const cropImageTo34 = (imageSrc: string): Promise<string> => {
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return new Promise((resolve) => {
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const img = new Image()
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img.onload = () => {
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const canvas = document.createElement('canvas')
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const context = canvas.getContext('2d')
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if (!context) {
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resolve(imageSrc)
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return
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}
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const imgWidth = img.width
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const imgHeight = img.height
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// คำนวณขนาดสำหรับ 3:4 aspect ratio
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const targetAspectRatio = 3/4 // width:height = 3:4
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let cropWidth, cropHeight, cropX, cropY
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if (imgWidth / imgHeight > targetAspectRatio) {
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// ภาพกว้างกว่าที่ต้องการ - ครอบด้านข้าง
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cropHeight = imgHeight
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cropWidth = imgHeight * targetAspectRatio
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cropX = (imgWidth - cropWidth) / 2
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cropY = 0
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} else {
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// ภาพสูงกว่าที่ต้องการ - ครอบด้านบน/ล่าง
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cropWidth = imgWidth
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cropHeight = imgWidth / targetAspectRatio
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cropX = 0
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cropY = (imgHeight - cropHeight) / 2
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}
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2026-01-17 16:23:06 +07:00
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// ตั้งค่าขนาด canvas เป็น 3:4 (360x480) - ลดขนาดเพื่อป้องกัน localStorage quota exceeded
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const finalWidth = 360
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const finalHeight = 480
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2026-01-17 13:20:17 +07:00
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canvas.width = finalWidth
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canvas.height = finalHeight
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// วาดภาพที่ครอบแล้วไปยัง canvas
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context.drawImage(
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img,
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cropX, cropY, cropWidth, cropHeight, // ตำแหน่งและขนาดที่ครอบจากภาพต้นฉบับ
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0, 0, finalWidth, finalHeight // ตำแหน่งและขนาดใน canvas
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)
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2026-01-17 16:23:06 +07:00
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// แปลงเป็น base64 ด้วย quality 0.7 เพื่อลดขนาด
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const croppedDataUrl = canvas.toDataURL('image/jpeg', 0.7)
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2026-01-17 13:20:17 +07:00
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resolve(croppedDataUrl)
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}
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img.src = imageSrc
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})
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}
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2026-01-17 11:41:46 +07:00
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const triggerFileInput = () => {
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fileInputRef.value?.click()
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}
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2026-01-17 13:20:17 +07:00
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const handleFileSelect = async (event: Event) => {
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2026-01-17 11:41:46 +07:00
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const target = event.target as HTMLInputElement
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const files = target.files
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if (!files) return
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2026-01-17 13:20:17 +07:00
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// แปลงไฟล์เป็น base64 และครอบเป็น 3:4
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for (const file of Array.from(files)) {
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if (uploadedPhotos.value.length >= totalPhotos) break
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2026-01-17 11:41:46 +07:00
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const reader = new FileReader()
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2026-01-17 13:20:17 +07:00
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reader.onload = async (e) => {
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2026-01-17 11:41:46 +07:00
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const result = e.target?.result as string
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if (result) {
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2026-01-17 13:20:17 +07:00
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// ครอบภาพให้เป็น 3:4 ก่อนเก็บ
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const croppedImage = await cropImageTo34(result)
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uploadedPhotos.value.push(croppedImage)
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2026-01-17 11:41:46 +07:00
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}
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}
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reader.readAsDataURL(file)
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2026-01-17 13:20:17 +07:00
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}
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2026-01-17 11:41:46 +07:00
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// เคลียร์ input
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target.value = ''
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}
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const removePhoto = (index: number) => {
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uploadedPhotos.value.splice(index, 1)
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}
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const proceedToNext = () => {
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if (uploadedPhotos.value.length !== totalPhotos) {
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alert(`กรุณาอัพโหลดภาพให้ครบ ${totalPhotos} รูป`)
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return
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}
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2026-01-17 16:23:06 +07:00
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try {
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// เคลียร์ cached images ที่เก่าออกก่อนเพื่อให้มีพื้นที่
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const keysToRemove = []
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for (let i = 0; i < localStorage.length; i++) {
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const key = localStorage.key(i)
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if (key && (key.startsWith('photobooth-1x4-') || key.startsWith('photobooth-2x2-'))) {
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keysToRemove.push(key)
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}
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}
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keysToRemove.forEach(key => localStorage.removeItem(key))
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// เก็บรูปภาพไว้ใน localStorage
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localStorage.setItem('photobooth-photos', JSON.stringify(uploadedPhotos.value))
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router.push('/printstep')
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} catch (error) {
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if (error instanceof DOMException && error.name === 'QuotaExceededError') {
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alert('รูปภาพมีขนาดใหญ่เกินไป กรุณาเลือกภาพขนาดเล็กลงหรือจำนวนน้อยลง')
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console.error('localStorage quota exceeded:', error)
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} else {
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console.error('Error saving photos:', error)
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alert('เกิดข้อผิดพลาดในการบันทึกภาพ')
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}
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}
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2026-01-17 11:41:46 +07:00
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}
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const goBack = () => {
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router.push('/selectsource')
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}
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</script>
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<template>
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<div class="upload-container">
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<header class="header">
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<button @click="goBack" class="back-button">← กลับ</button>
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<h1>อัพโหลดภาพ</h1>
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<span class="photo-counter">{{ uploadedPhotos.length }}/{{ totalPhotos }}</span>
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</header>
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<section class="upload-section">
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<div class="upload-area" @click="triggerFileInput">
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<div class="upload-icon">📁</div>
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<h3>คลิกเพื่อเลือกภาพ</h3>
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<p>หรือลากและวางไฟล์ภาพลงที่นี่</p>
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<p class="file-types">รองรับ: JPG, PNG, GIF</p>
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</div>
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<input
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ref="fileInputRef"
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type="file"
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accept="image/*"
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multiple
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@change="handleFileSelect"
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class="hidden-input"
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/>
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</section>
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<section class="preview-section" v-if="uploadedPhotos.length > 0">
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<h3>ภาพที่เลือก</h3>
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<div class="photo-grid">
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<div
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v-for="(photo, index) in uploadedPhotos"
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:key="index"
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class="photo-item"
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>
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<img :src="photo" :alt="`Uploaded photo ${index + 1}`" />
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<button @click="removePhoto(index)" class="remove-button">✕</button>
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<span class="photo-number">{{ index + 1 }}</span>
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</div>
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<!-- Placeholder สำหรับรูปที่ยังไม่ได้เลือก -->
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<div
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v-for="i in totalPhotos - uploadedPhotos.length"
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:key="`placeholder-${i}`"
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class="photo-placeholder"
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@click="triggerFileInput"
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>
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<div class="placeholder-icon">+</div>
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</div>
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</div>
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</section>
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<section class="action-section" v-if="uploadedPhotos.length === totalPhotos">
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<button @click="proceedToNext" class="next-button">
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ถัดไป
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</button>
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</section>
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</div>
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</template>
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<style scoped>
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.upload-container {
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min-height: 100vh;
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padding: 2rem;
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background: #f8f9fa;
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display: flex;
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flex-direction: column;
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}
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.header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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margin-bottom: 2rem;
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}
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.back-button {
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background: #6c757d;
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color: white;
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border: none;
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padding: 0.5rem 1rem;
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border-radius: 8px;
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cursor: pointer;
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font-size: 1rem;
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}
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.header h1 {
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margin: 0;
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color: #333;
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font-size: 2rem;
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}
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.photo-counter {
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background: #007bff;
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color: white;
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padding: 0.5rem 1rem;
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border-radius: 20px;
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font-weight: bold;
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}
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.upload-section {
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margin-bottom: 2rem;
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}
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.upload-area {
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background: white;
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border: 2px dashed #dee2e6;
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border-radius: 16px;
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padding: 3rem 2rem;
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text-align: center;
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cursor: pointer;
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transition: all 0.3s ease;
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}
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.upload-area:hover {
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border-color: #007bff;
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background: #f8f9ff;
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}
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.upload-icon {
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font-size: 4rem;
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margin-bottom: 1rem;
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color: #6c757d;
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}
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.upload-area h3 {
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margin: 0 0 0.5rem 0;
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color: #333;
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font-size: 1.5rem;
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}
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.upload-area p {
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margin: 0.5rem 0;
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color: #666;
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}
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.file-types {
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font-size: 0.9rem;
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color: #999;
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}
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.hidden-input {
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display: none;
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}
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.preview-section {
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flex: 1;
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}
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.preview-section h3 {
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margin-bottom: 1rem;
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color: #333;
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text-align: center;
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}
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.photo-grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
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gap: 1rem;
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margin-bottom: 2rem;
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}
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.photo-item, .photo-placeholder {
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position: relative;
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aspect-ratio: 3/4;
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border-radius: 12px;
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overflow: hidden;
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cursor: pointer;
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transition: all 0.3s ease;
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}
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.photo-item:hover {
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transform: scale(1.02);
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}
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.photo-item img {
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width: 100%;
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height: 100%;
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object-fit: cover;
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}
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.remove-button {
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position: absolute;
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top: 8px;
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right: 8px;
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background: rgba(220, 53, 69, 0.9);
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color: white;
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border: none;
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width: 24px;
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height: 24px;
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border-radius: 50%;
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cursor: pointer;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 0.8rem;
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transition: all 0.3s ease;
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}
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.remove-button:hover {
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background: rgba(220, 53, 69, 1);
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transform: scale(1.1);
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}
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.photo-number {
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position: absolute;
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bottom: 8px;
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left: 8px;
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background: rgba(0,0,0,0.7);
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color: white;
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width: 24px;
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height: 24px;
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border-radius: 50%;
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display: flex;
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|
|
align-items: center;
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|
|
justify-content: center;
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|
|
font-size: 0.8rem;
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font-weight: bold;
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}
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.photo-placeholder {
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background: #f8f9fa;
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border: 2px dashed #dee2e6;
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display: flex;
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|
|
align-items: center;
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|
|
justify-content: center;
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|
|
transition: all 0.3s ease;
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}
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|
.photo-placeholder:hover {
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border-color: #007bff;
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background: #f8f9ff;
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}
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|
.placeholder-icon {
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|
|
font-size: 2rem;
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|
color: #6c757d;
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}
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|
|
.action-section {
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|
|
text-align: center;
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|
|
margin-top: 2rem;
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|
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|
}
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|
|
.next-button {
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|
|
background: #28a745;
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|
color: white;
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|
border: none;
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|
|
padding: 1rem 2rem;
|
|
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|
|
font-size: 1.2rem;
|
|
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|
|
font-weight: bold;
|
|
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|
|
border-radius: 50px;
|
|
|
|
|
cursor: pointer;
|
|
|
|
|
transition: all 0.3s ease;
|
|
|
|
|
box-shadow: 0 4px 15px rgba(40,167,69,0.3);
|
|
|
|
|
}
|
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|
.next-button:hover {
|
|
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|
|
background: #218838;
|
|
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|
|
transform: translateY(-2px);
|
|
|
|
|
box-shadow: 0 6px 20px rgba(40,167,69,0.4);
|
|
|
|
|
}
|
|
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|
|
@media (max-width: 768px) {
|
|
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|
|
.photo-grid {
|
|
|
|
|
grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
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|
|
</style>
|