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<!DOCTYPE html>
<html>
    <head>
        <title>QR CODE GENERATOR</title>
    </head>
    <link rel="stylesheet" href="style.css">
    <body>
<div class="container">
      <header>
        <h1>QR Code Generator</h1>
        <p>type text or url to create QR code</p>
      </header>
      <div class="form">
        <input type="text" spellcheck="false" placeholder="Enter text or url">
        <button>Create QR Code</button>
      </div>
      <div class="qr-code">
        <img src="" alt="qr-code">
      </div>
    </div>
     </div>
    <a href="https://youtu.be/qCxpC_9t2bE"><div class="link">Learn to code
        <script>
        const container = document.querySelector(".container"),
qrInput = container.querySelector(".form input"),
generateBtn = container.querySelector(".form button"),
qrImg = container.querySelector(".qr-code img");
let preValue;

generateBtn.addEventListener("click", () => {
    let qrValue = qrInput.value.trim();
    if(!qrValue || preValue === qrValue) return;
    preValue = qrValue;
    generateBtn.innerText = "Creating QR Code...";
    qrImg.src = `https://api.qrserver.com/v1/create-qr-code/?size=200x200&data=${qrValue}`;
    qrImg.addEventListener("load", () => {
        container.classList.add("active");
        generateBtn.innerText = "Create QR Code";
    });
});

qrInput.addEventListener("keyup", () => {
    if(!qrInput.value.trim()) {
        container.classList.remove("active");
        preValue = "";
    }
});
        </script>


<style>
    
    
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  display: flex;
  padding: 0 10px;
  min-height: 100vh;
  align-items: center;
   background: linear-gradient(#2196f3 , #e91e63);
  justify-content: center;
}
.container{
  height: 265px;
  max-width: 410px;
  background: #ffb923;
  border-radius: 7px;
  padding: 20px 25px 0;
  transition: height 0.2s ease;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.container.active{
  height: 530px;
}
header h1{
  font-size: 21px;
  font-weight: 500;
}
header p{
  margin-top: 5px;
  color: #575757;
  font-size: 16px;
}
.container .form{
  margin: 20px 0 25px;
}
.form :where(input, button){
  width: 100%;
  height: 55px;
  border: none;
  outline: none;
  border-radius: 5px;
  transition: 0.1s ease;
}
.form input{
  font-size: 18px;
  padding: 0 17px;
  border: 1px solid #999;
}
.form input:focus{
  box-shadow: 0 3px 6px rgba(0,0,0,0.13);
}
.form input::placeholder{
  color: #999;
}
.form button{
  color: #fff;
  cursor: pointer;
  margin-top: 20px;
  font-size: 17px;
  background: black;
}
.qr-code{
  opacity: 0;
  display: flex;
  padding: 33px 0;
  border-radius: 5px;
  align-items: center;
  pointer-events: none;
  justify-content: center;
  
}
.container.active .qr-code{
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.5s 0.05s ease;
}
.qr-code img{
  width: 170px;
}

@media (max-width: 430px){
  .container{
    height: 255px;
    padding: 16px 20px;
  }
  .container.active{
    height: 510px;
  }
  header p{
    color: #696969;
  }
  .form :where(input, button){
    height: 52px;
  }
  .qr-code img{
    width: 160px;
  }  
}
.link{
position:fixed ;
  top:87%;
  left:50%;
  transform:translate(-50%,-50%);
  background-color:transparent ;
width:250px;
height:70px;
text-align:center;
  color:black;
  font-weight:999;
  font-size:4vw;
  height:50px ;
  font-size:20px;
  padding-top:5px;
  border-radius:10px;
  
animation:anim 1.2s linear infinite ;
}
@keyframes anim{
    0%{
        border-top:3px solid black;
    }
    25%{
        border-left:3px solid orange;
    }
    50%{
        border-bottom:3px solid green
    }
    75%{
        border-right:3px solid yellow;




    }
}
</style>

<!DOCTYPE html>
<html>
    <head>
        <title>QR CODE GENERATOR</title>
    </head>
    <link rel="stylesheet" href="style.css">
    <body>
<div class="container">
      <header>
        <h1>QR Code Generator</h1>
        <p>type text or url to create QR code</p>
      </header>
      <div class="form">
        <input type="text" spellcheck="false" placeholder="Enter text or url">
        <button>Create QR Code</button>
      </div>
      <div class="qr-code">
        <img src="" alt="qr-code">
      </div>
    </div>
     </div>
    <a href="https://youtu.be/qCxpC_9t2bE"><div class="link">Learn to code
        <script>
        const container = document.querySelector(".container"),
qrInput = container.querySelector(".form input"),
generateBtn = container.querySelector(".form button"),
qrImg = container.querySelector(".qr-code img");
let preValue;

generateBtn.addEventListener("click", () => {
    let qrValue = qrInput.value.trim();
    if(!qrValue || preValue === qrValue) return;
    preValue = qrValue;
    generateBtn.innerText = "Creating QR Code...";
    qrImg.src = `https://api.qrserver.com/v1/create-qr-code/?size=200x200&data=${qrValue}`;
    qrImg.addEventListener("load", () => {
        container.classList.add("active");
        generateBtn.innerText = "Create QR Code";
    });
});

qrInput.addEventListener("keyup", () => {
    if(!qrInput.value.trim()) {
        container.classList.remove("active");
        preValue = "";
    }
});
        </script>

@media (max-width: 430px){
  .container{
    height: 255px;
    padding: 16px 20px;
  }
  .container.active{
    height: 510px;
  }
  header p{
    color: #696969;
  }
  .form :where(input, button){
    height: 52px;
  }
  .qr-code img{
    width: 160px;
  }  
}
.link{
position:fixed ;
  top:87%;
  left:50%;
  transform:translate(-50%,-50%);
  background-color:transparent ;
width:250px;
height:70px;
text-align:center;
  color:black;
  font-weight:999;
  font-size:4vw;
  height:50px ;
  font-size:20px;
  padding-top:5px;
  border-radius:10px;
  
animation:anim 1.2s linear infinite ;
}
@keyframes anim{
    0%{
        border-top:3px solid black;
    }
    25%{
        border-left:3px solid orange;
    }
    50%{
        border-bottom:3px solid green
    }
    75%{
        border-right:3px solid yellow;

}
}
</style>

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