* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Poppins', sans-serif;
    background: #121212;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  .login-container {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .login-box {
    background: linear-gradient(135deg, #1f1f1f, #2d2d2d);
    padding: 40px 50px;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
    text-align: center;
    width: 350px;
  }
  
  h2 {
    color: #fff;
    margin-bottom: 30px;
    font-size: 2em;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: fadeIn 1s ease-in-out;
  }
  
  .input-container {
    position: relative;
    margin-bottom: 20px;
  }
  
  input {
    width: 100%;
    padding: 10px;
    background: #333;
    border: none;
    border-radius: 5px;
    color: #fff;
    font-size: 1.1em;
    letter-spacing: 1px;
    outline: none;
    transition: 0.3s;
  }
  
  input:focus {
    background: #444;
    border: 2px solid #00bcd4;
  }
  
  button {
    width: 100%;
    padding: 12px;
    background: #00bcd4;
    border: none;
    border-radius: 5px;
    color: #fff;
    font-size: 1.2em;
    cursor: pointer;
    transition: 0.3s;
  }
  
  button:hover {
    background: #0097a7;
    transform: translateY(-2px);
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(-20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Poppins', sans-serif;
    background: #121212;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  .container {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .button-list {
    background: linear-gradient(135deg, #1f1f1f, #2d2d2d);
    padding: 40px 50px;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
    text-align: center;
    width: 400px;
  }
  
  h2 {
    color: #fff;
    margin-bottom: 30px;
    font-size: 2em;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: fadeIn 1s ease-in-out;
  }
  
  .buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  
  .btn {
    padding: 12px;
    background: #333;
    border: none;
    border-radius: 5px;
    color: #fff;
    font-size: 1.1em;
    cursor: pointer;
    transition: 0.3s;
  }
  
  .btn:hover {
    background: #00bcd4;
    transform: translateY(-2px);
  }
  
  .add-btn {
    background: #00bcd4;
    font-size: 1.5em;
    margin-top: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .add-btn:hover {
    background: #0097a7;
    transform: scale(1.1);
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(-20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }