header,footer,body{
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
* {
	box-sizing: border-box;
  }
  
  html, body {
	height: 100%;
	margin: 0;
	padding: 0;
	background-color: #fff;
  }
  
  .page-container {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	position: relative;
	z-index: 1;
  }
  
  .content {
	flex: 1;
	display: flex;
	justify-content: center;
	align-items: center;
	margin-top: 80px; 
	position: relative;
	z-index: 2;
  }
  
  header {
  display: flex;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

nav a {
  margin: 0 1rem;
  text-decoration: none;
  color: #111;
  font-weight: 600;
  display: inline-block;
  transition: color 0.2s ease, transform 0.2s ease;
}

nav a:hover {
  color: #000;
  transform: translateY(-3px);
}
  
  .auth-btn {
	background-color: #111;
	color: #fff;
	padding: 10px 20px;
	border: none;
	border-radius: 10px;
	font-size: 16px;
	font-weight: 600;
	text-decoration: none;
	transition: background-color 0.3s ease, transform 0.2s ease;
	box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }
  
  .auth-btn:hover {
	background-color: #333;
	transform: translateY(-2px);
  }
  
  
  
  .main {
	width: 450px;
	height: 600px;
	background: black;
	overflow: hidden;
	border-radius: 10px;
	box-shadow: 5px 20px 50px #000;
	z-index: 2;
  }
  
  #chk {
	display: none;
  }
  
  .signup {
	position: relative;
	width: 100%;
	height: 100%;
  }
  
  label {
	color: #fff;
	font-size: 2.3em;
	justify-content: center;
	display: flex;
	margin: 50px;
	font-weight: bold;
	cursor: pointer;
	transition: .5s ease-in-out;
  }
  
  input {
	width: 60%;
	height: 10px;
	background: #e0dede;
	justify-content: center;
	display: flex;
	margin: 20px auto;
	padding: 12px;
	border: none;
	outline: none;
	border-radius: 5px;
  }
  
  button {
	width: 60%;
	height: 40px;
	margin: 10px auto;
	justify-content: center;
	display: block;
	color: #fff;
	background: rgb(21, 189, 245);
	font-size: 1em;
	font-weight: bold;
	margin-top: 30px;
	outline: none;
	border: none;
	border-radius: 5px;
	transition: .2s ease-in;
	cursor: pointer;
  }
  
  button:hover {
	background: #6d44b8;
  }
  
  .login {
	height: 560px;
	background: #eee;
	border-radius: 60% / 10%;
	transform: translateY(-180px);
	transition: .8s ease-in-out;
  }
  
  .login label {
	color: black;
	transform: scale(.6);
  }
  
  #chk:checked ~ .login {
	transform: translateY(-600px);
  }
  
  #chk:checked ~ .login label {
	transform: scale(1);
  }
  
  #chk:checked ~ .signup label {
	transform: scale(.6);
  }
  

  .footer {
	background-color: #f8f8f8;
	padding: 20px 0;
	text-align: center;
	font-size: 14px;
	color: #555;
	border-top: 1px solid #ddd;
  }
  
  .footer-content {
	max-width: 1200px;
	margin: 0 auto;
  }
  
  .footer nav {
	margin-top: 10px;
  }
  
  .footer nav a {
	margin: 0 10px;
	color: #555;
	text-decoration: none;
	transition: color 0.2s ease;
  }
  
  .footer nav a:hover {
	color: #000;
  }
#logout-btn {
    padding: 8px 12px;
    transition: background-color 0.3s ease;
}

#logout-btn:hover {
    background-color: red;
    color: white;
}