/* Centering container */
  body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(270deg, #e0f7fa, #e1f5fe, #b2ebf2, #80deea);
    background-size: 800% 800%;
    animation: gradientBG 20s ease infinite;
    overflow: hidden;
    position: relative;
  }

  @keyframes gradientBG 
  {
    0%
    {
      background-position:0% 50%
    }
    50%
    {
      background-position:100% 50%
    }
    100%
    {
      background-position:0% 50%
    }
  }

  /* Floating particles */
  .particle {
    position: absolute;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.6);
    box-shadow: 0 0 15px rgba(255,255,255,0.5), 0 0 30px rgba(255,255,255,0.3);
    pointer-events: none;
    will-change: transform;
    opacity: 0;
  }
  .particle.animate { 
    animation: floatUp 10s linear infinite, fadeIn 2s forwards; 
  }

  @keyframes floatUp 
  { 
    0%
    {
      transform:translateY(0) scale(0.5); 
      opacity:0.3} 50%
      {
        opacity:0.6
      } 
      100%
      {
        transform:translateY(-110vh) scale(1);
        opacity:0
      } 
    }

  @keyframes fadeIn 
  {
    0%
    {
      opacity:0
    }
    100%
    {
      opacity:1
    }
  }

  /* Magical ripple + hover spark form container */
  .enroll-container {
    max-width: 500px;
    padding: 40px;
    background-color: rgba(255,255,255,0.95);
    border-radius: 15px;
    position: relative;
    z-index: 2;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0,123,255,0.5),0 10px 25px rgba(0,0,0,0.15);
    animation: ripple 6s ease-in-out infinite;
  }
  
  @keyframes ripple {
    0% 
    { 
      box-shadow:0 0 20px rgba(0,123,255,0.5),0 10px 25px rgba(0,0,0,0.15); 
      transform:scale(1);
    }
    50% 
    { 
      box-shadow:0 0 40px rgba(0,123,255,0.7),0 15px 35px rgba(0,0,0,0.2); 
      transform:scale(1.02);
    }
    100% 
    { 
      box-shadow:0 0 20px rgba(0,123,255,0.5),0 10px 25px rgba(0,0,0,0.15); 
      transform:scale(1);
    }
  }

  .enroll-container:hover::after {
    content:'';
    position:absolute;
    top:0; left:0; width:100%; height:100%;
    pointer-events:none;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 70%);
    animation: spark 1s infinite;
    border-radius: 15px;
  }

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

  h1 { 
    font-weight:700;
    color:#007BFF; 
    animation:fadeInDown 1s ease forwards; 
  }

  @keyframes fadeInDown
  {
    0%
    {
      opacity:0;
      transform:translateY(-30px)
    }
    100%
    {
      opacity:1;
      transform:translateY(0)
    }
  }

  form .form-control {transition:all 0.3s ease;}
  form .form-control:focus {box-shadow:0 0 8px #007BFF;border-color:#007BFF; transform:scale(1.02);}

  /* Button sparkle */
  .btn-primary 
  {
    position:relative; 
    overflow:hidden; 
    transition:all 0.3s ease; 
    font-weight:600;
  }

  .btn-primary:hover 
  {
    transform:scale(1.05); 
    box-shadow:0 5px 15px rgba(0,123,255,0.4);
  }

  .sparkle 
  {
    position:absolute; 
    width:6px; 
    height:6px; 
    background:white; 
    border-radius:50%; 
    opacity:0; 
    pointer-events:none; 
    animation:sparkleAnim 0.8s forwards; 
    z-index:999;
  }

  @keyframes sparkleAnim 
  {
    0%
    {
      opacity:1; 
      transform:translate(0,0) scale(1);
    }
    100%
    {
      opacity:0; 
      transform:translate(var(--x),var(--y)) scale(0);
    }
  }

  /* Toast animation */
  .toast.show 
  {
    animation: slideIn 0.5s ease forwards;
  }

  @keyframes slideIn 
  {
    0%
    {
      transform:translateX(100%);
      opacity:0
    }
    100%
    {
      transform:translateX(0);
      opacity:1
    }
  }

  /* Responsive */
  @media(max-width:576px)
  {
    .enroll-container
    {
      padding:25px
    }
    .particle
    {
      width:8px!important;
      height:8px!important
    }
    .btn-primary
    {
      font-size:0.95rem;
      padding:10px 0
    }
  }

  @media(max-width:768px)
  {
    .particle
    {
      width:10px!important;
      height:10px!important
    }
  }