*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
     background: rgb(189, 132, 157);
  
}

    .container {
      width: 100%;


display: flex;
justify-content: center;
flex-direction: column;
align-items: center;

    }
.title-text{
    text-align: center;
color: white;
font-size: 25px;
font-family: sans-serif;
font-weight: 600;






}
    #form-section{
margin-top: 50px;

display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
gap: 10px;

width: 400px;

    }

    .envelope-container {
      position: relative;
      width: 400px;
      height: 250px;

      margin: 20px auto;
      cursor: pointer;

    }
      .envelope-container h1{
        font-size: 20px;
        font-family: sans-serifs;
        font-weight: 400;
        font-style: normal;
        margin-top: -20px;
        text-align: center;
      }
    #envelopeWrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  transition: all 0.5s ease;
}

#envelopeWrapper.bottom {
  align-items: flex-end;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding-bottom: 20px;
  z-index: 10;
}


    .envelope {
      position: absolute;
      bottom: 0;
      width: 100%;

      height: 200px;
      background: #ff8fab;
      border-radius: 6px;
      overflow: hidden;
      box-shadow: 0 0 10px #a4133c;
      z-index: 1;
    }

    .flap {
      position: absolute;
      width: 100%;
      height: 100%;
      background: #fb6f92;
      clip-path: polygon(0 0, 100% 0, 50% 50%);
      transform-origin: top center;
      transition: transform 0.8s ease;
      z-index: 3;
    }

    .paper {
      position: absolute;
      bottom: 10px;

      width: 100%;
      height: 200px;
      background: #ffe5ec;
      border-radius: 5px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
      padding: 10px;
      transform: translateY(0);
      opacity: 0;
      transition: transform 1s ease, opacity 0.5s ease;
      z-index: 0;
    }

    .open .flap {
      transform: rotateX(-150deg);
    }

    .open .paper {
      transform: translateY(-160px);
      opacity: 1;
      z-index: 2;
    }

    .link-box {
 
      word-break: break-word;
      color: white;

    }

    .error {
      color: red;
      font-size: 0.9em;
    }
       
    .link-box a {
      color: red;
      text-decoration: underline;
    }
.heart {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  display: none; 
  z-index: 2;
  animation: pulse 1s infinite;
}

.heart i {
  font-size: 100px;
  color: #ff0057;
}
    
.envelope-container.open .heart {
  display: block;
}

@keyframes pulse {
  0%, 100% { transform: translateX(-50%) scale(1); }
  50% { transform: translateX(-50%) scale(1.2); }
}

.arrow-section {
    display: none;
    margin-top: 100px;
    text-align: center;
    cursor: pointer;
    color: white;
    font-weight: bold;
    font-size: 10px;
}

    .arrow-icon {
      font-size: 24px;
      animation: bounce 1s infinite;
    }


#form-section button{
 width: 100%;
 height: 50px;
      font-size: 18px;
      color: white;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      background: linear-gradient(270deg, #cbeef3, #ff8fab, #dd2d4a, #028090, #880d1e);
      background-size: 600% 600%;
      animation: rotateColors 8s ease infinite;
      transition: transform 0.2s;
   
}
#form-section button:hover{
     transform: scale(1.05);
}
    @keyframes rotateColors {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    @keyframes bounce {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(5px); }
    }
#form-section input{
    width: 100%;
    height: 50px;
      text-align: center;

}
#form-section textarea{
    width: 100%;
    height: 200px;
    padding: 10px 30px;
}
  
  
    #form-section input, textarea{
             outline: none; 
             
      font-size: 18px;
      color: white;
      background-color: #222;
      border: none;
      border-radius: 10px;
      cursor: pointer;
      position: relative;
      z-index: 0;
      box-shadow: inset 0 0 10px #ff0057;
      animation: insetGlow 4s linear infinite;
      transition: transform 0.2s;
overflow-y: hidden;


    }

     #form-section input, textarea:hover{
         transform: scale(1.05);
     }
       @keyframes insetGlow {
      0%   { box-shadow: inset 0 0 15px #cbeef3; }
      25%  { box-shadow: inset 0 0 15px #ff8fab; }
      50%  { box-shadow: inset 0 0 15px #dd2d4a; }
      75%  { box-shadow: inset 0 0 15px #fffd44; }
      100% { box-shadow: inset 0 0 15px #880d1e; }
    }
.copy-container {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 5px;
  word-break: break-word;
}

.copy-icon {
  cursor: pointer;
  color: white;
  font-size: 18px;
  transition: transform 0.2s, color 0.2s;
}

.copy-icon:hover {
  transform: scale(1.2);
  color: #00ffcc;
}

.copy-status {
  font-size: 0.8em;
  color: lightgreen;
  margin-top: 5px;
  display: block;
}


 
@media (max-width: 768px) {
  .container {
    padding: 10px;
  }

  .title-text {
    font-size: 20px;
  }

  #form-section {
    width: 100%;
    padding: 0 10px;
    margin-top: 30px;
  }

  .envelope-container {
    width: 100%;
    height: 200px;
  }

  .paper {
    height: 180px;
  }

  .envelope {
    height: 180px;
  }

  .heart i {
    font-size: 100px;
    margin-top: -30px;
  }

  .arrow-section {
    font-size: 12px;
  }

  #form-section textarea {
    height: 150px;
  }
}


@media (max-width: 1024px) {
  .container {
    padding: 20px;
  }

  #form-section {
    width: 90%;
  }

  .envelope-container {
    width: 90%;
  }
}