body {
  background-color: #000;
  color: #fff;
  font-family: monospace;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  text-align: center;
}

.demo__text {
  font-size: 18px;
  margin-bottom: 10px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease-out forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.input-wrapper {
  position: relative;
  display: inline-block;
}

.password-input {
  width: 300px;
  padding: 12px 40px 12px 12px;
  font-size: 16px;
  border: 2px solid #444;
  border-radius: 5px;
  background: #111;
  color: #fff;
  outline: none;
  letter-spacing: 2px;
}

.toggle-password {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  font-size: 20px;
  color: #888;
  transition: color 0.3s ease;
}

.toggle-password:hover {
  color: #00ffcc;
}


.eye {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #eee;
  position: relative;
  overflow: hidden;
  border: 2px solid #000;
  margin-left: 10px;
  cursor: pointer;
}

.pupil {
  width: 12px;
  height: 12px;
  background: black;
  border-radius: 50%;
  position: absolute;
  top: 14px;
  left: 14px;
  transition: 0.1s linear;
}

.eyelid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background-color: #000;
  z-index: 2;
  transition: height 0.3s ease;
}