/* Header Style */
header {
    background-color: #1b2838; 
    padding: 1px;
    text-align: center;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  
  .sticky-header {
    position: sticky;
    top: 0;
    max-width: 100%;
    background-color:  #1b2838;
    padding: 10px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    height: 50px;
  }
  
  
  .sticky-header .logo img {
    height: 40px;
  }
  
  .sticky-header nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
    transition: all 0.3s ease;
  }
  
  
  .sticky-header nav ul li {
    position: relative; 
    display: flex;
    justify-content: space-between;
    list-style: none;
    transition: color 0.3s ease;
  }
  
  /* underline animation */
  .sticky-header nav ul li::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px; /* Tebal garis bisa diatur */
    bottom: 0;
    left: 50%;
    background-color: #1b2838; /* Warna garis */
    transition: all 0.3s ease;
  }
  
  .sticky-header nav ul li:hover::after {
    width: 100%;
    left: 0;
    background-color: #66c0f4; /* Warna tidak berubah saat hover */
  }
  
  
  .sticky-header nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    transition: color 0.3s ease;
  }
  
  .sticky-header nav ul li:hover a {
    color: #66c0f4;
  }
  
  .burger-menu img {
    display: none;
    flex-direction: column;
    cursor: pointer;
    height: auto;
    width: 3rem;
  }
  
  
  .logo-name {
    justify-content: center;
    display: flex;
    color: #f4f4f4;
  }
  /* Responsive burger menu */
  @media (max-width: 768px) {
    .sticky-header nav ul {
      display: none;
      flex-direction: column;
      background-color:  #1b2838;
      position: absolute;
      top: 50px;
      right: 0;
      width: 100%;
      padding: 10px 0;
      align-items: center;
    }
  
    .sticky-header nav ul.show {
      display: flex;
    }
  
    .burger-menu img{
      display: flex;
    }
  }
  
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box; 
  } 
  
  body {
    font-family: Arial, sans-serif;
    background-color: #2a475e;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  /* Container login */
  .login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 400px;
    padding: 20px;
  }
  
  /* Kotak login */
  .login-box {
    width: 100%;
    background-color: #fff;
    border: 1px solid #e1e4e8;
    border-radius: 6px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(27,31,35,.12), 0 8px 24px rgba(27,31,35,.12);
    text-align: center;
  }
  
  /* Judul login */
  .login-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #24292e;
    margin-bottom: 16px;
  }
  
  /* Grup form */
  .form-group {
    margin-bottom: 16px;
    text-align: left;
  }
  
  /* Label dan input */
  label {
    font-size: 0.875rem;
    color: #24292e;
    font-weight: 600;
  }
  
  input[type="email"],
  input[type="password"] {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    font-size: 0.875rem;
    border: 1px solid #e1e4e8;
    border-radius: 6px;
    background-color: #fafbfc;
  }
  
  input[type="email"]:focus,
  input[type="password"]:focus {
    outline: none;
    border-color: #0366d6;
    box-shadow: 0 0 0 3px rgba(3, 102, 214, 0.3);
  }
  
  /* Tombol login */
  .login-button {
    width: 100%;
    padding: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
    background-color: #2ea44f;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  .login-button:hover {
    background-color: #22863a;
  }
  
  .login-message {
    margin-top: 12px;
    font-size: 0.875rem;
    color: red;
  }
  
  /* Link register */
  .register-link {
    margin-top: 16px;
    font-size: 0.875rem;
    color: #586069;
  }
  
  .register-link a {
    color: #0366d6;
    text-decoration: none;
  }
  
  .register-link a:hover {
    text-decoration: underline;
  }