/* Reset dasar */
* {margin: 0;padding: 0;box-sizing: border-box;}
/* Body utama */
body {font-family: Arial, sans-serif;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
              url('gambar/back.jpg');
  background-size: cover;background-position: center;height: 100vh;
  display: flex;justify-content: center;align-items: center;
  color: white;}
/* Form login */
form {background-color: #fff;padding: 25px 30px;border-radius: 10px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);width: 350px;}
/* Judul */
h2 {text-align: center;margin-bottom: 20px;color: #f4eeee;}
/* Label */
label {display: block;margin-bottom: 5px;color: #555;font-weight: bold;}
/* Input */
input[type="text"],
input[type="password"] 
{width: 100%;padding: 8px;margin-bottom: 15px;
border: 1px solid #ccc;border-radius: 5px;transition: 0.3s;}
input[type="text"]:focus,
input[type="password"]:focus {border-color: #0066cc;outline: none;}
/* Tombol */
input[type="submit"] {width: 100%;padding: 10px;
  background-color: #0066cc;color: white;border: none;
  border-radius: 5px;font-weight: bold;cursor: pointer;transition: 0.3s;}
input[type="submit"]:hover {background-color: #004999;}
/* Garis */
hr {margin-bottom: 15px;border: 0;border-top: 2px solid #ddd;}
form {backdrop-filter: blur(10px);}
.btn {
  display: inline-block;  padding: 10px 15px;  margin: 5px;
  text-decoration: none;  border-radius: 8px;  color: white;
  font-weight: bold;}
.btn.login {  background: #3498db;}
.btn.register {  background: #2ecc71;}
.btn.forgot {  background: #f39c12;}
.btn.logout {  background: #e74c3c;}
.btn:hover {  opacity: 0.85;}
.extra {  margin-top: 15px;  text-align: center;}