body {
  font-family: Arial, sans-serif;
  background: #f2f2f2;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

form {
  background: #fff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  width: 360px;
}

h2 {
  text-align: center;
  margin-bottom: 2rem;
}

label {
  display: block;
  margin-bottom: 1rem;
  font-size: 18px;
}
 
input {
  width: 100%;
  padding: 0.5rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 12px;
}

#strength {
  margin-bottom: 1rem;
  font-weight: bold;
}
#show-hide {
  cursor: pointer;
  position: absolute;
  margin: -2.6rem 20rem;
}

button {
  width: 100%;
  padding: 0.5rem;
  background: rgba(33, 158, 37, 1);
  color: white;
  border: none;
  border-radius: 14px;
  cursor: pointer;
}

button:hover {
  background: rgba(33, 158, 37, 0.8);
}

button:active {
  background: rgba(33, 158, 37, 0.5);
}

.container {
    width: 100%;
    height: 100vh;
    background: #3c5077;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn {
    padding: 10px 60px;
    background: #fff;
    border: 0;
    outline: none;
    cursor: pointer;
    font-size: 22px;
    font-weight: 500;
    border-radius: 30px;
}

.popup {
    width: 400px;
    background: #fff;
    border-radius: 5px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.1);
    text-align: center;
    padding: 0 30px 30px;
    color: #333;
    visibility: hidden;
    transition: transform 0.4s, top 0.4s;
}

.open-popup {
    visibility: visible;
    top: 50%;
    transform: translate(-50%, -50%) scale(1);
}

.popup img {
    width: 100px;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.popup h2 {
    font-size: 38px;
    font-weight: 500;
    margin: 30px 0 10px;
}

.popup button {
    width: 100%;
    margin-top: 50px;
    padding: 10px 0;
    background: #6fd649;
    color: #fff;
    border: 0;
    outline: none;
    font-size: 18px;
    border-radius: 6px;
    box-shadow: 0 5px 5px rgba(0, 0, 0, 0.35);
    transition: 0.2s;
}

.popup button:active {
    background: hsl(104, 63%, 75%);
    transform: translateY(-12px);
}