body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
  }
  
  .login-container {
    background: #1e1e1e;
    padding: 2em;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.7);
    width: 320px;
  }
  
  h2 {
    text-align: center;
    margin-bottom: 1.2em;
    color: #ffffff;
  }
  
  label {
    display: block;
    margin-bottom: 0.3em;
    font-size: 0.95em;
  }
  
  input {
    width: 100%;
    padding: 0.55em;
    margin-bottom: 1.2em;
    background-color: #2c2c2c;
    border: 1px solid #444;
    border-radius: 4px;
    color: #f0f0f0;
  }
  
  input:focus {
    outline: none;
    border-color: #4caf50;
    background-color: #2f2f2f;
  }
  
  button {
    width: 100%;
    padding: 0.6em;
    background-color: #4caf50;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s ease;
  }
  
  button:hover {
    background-color: #45a049;
  }
  
  .messages {
    margin-top: 1em;
    color: #ff6b6b;
    list-style: none;
    padding: 0;
    font-size: 0.9em;
  }