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

body {
  background-color: #130f40;
  background-image: linear-gradient(to right top, #051937, #004d7a, #008793, #00bf72, #a8eb12);
  font-family: Arial, sans-serif;
}

.card-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.card {
  width: 80%;
  max-width: 500px;
  padding: 20px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.112);
  border-radius: 16px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  color: #ffffff;
}

form {
  text-align: center;
}

label {
  display: block;
  margin-bottom: 5px;
  color: #edf1f4;
}

input {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  color: #edf1f4;
  border-radius: 5px;
  border: 1px solid #ccc;
  box-sizing: border-box;
  background-color: transparent;
  /* Change placeholder color to white */
  
}

input::placeholder {
  color: #ffffff;
}

button[type="submit"] {
  width: 100%;
  padding: 10px;
  border-radius: 5px;
  border: none;
  background-color: rgb(150, 241, 75) !important;
  color: #000000;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}

button[type="submit"]:hover {
  background-color: #3d5606;
  color: #060606;
}

#results {
  margin-top: 20px;
  font-size: 18px;
  color: #edf1f4;
  margin-bottom: 20px;
}

#weight-guide {
  margin-top: 50px;
  margin-bottom: 20px;
  text-align: center;
  animation: slideIn 0.8s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#weight-guide h3 {
  margin: 10px;
  font-size: 16px;
  color: #edf1f4;
}

#weight-guide p {
  margin-top: 5px;
  font-size: 14px;
  color: #edf1f4;
}

@media screen and (max-width: 600px) {
  .card-container {
    width: 100%;
  }
}

/* Footer Styles */
.footer {
  text-align: center;
  padding: 20px 0;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.027);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  position: fixed;
  bottom: 0;
  width: 100%;
}

.footer a {
  color: #ffffff;
  text-decoration: none;
}