/* Reset & Base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 40px;
  }
  
  /* Container styles */
  .login-container, .admin-panel {
    background-color: #ffffffcc;
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    padding: 30px 25px;
    width: 100%;
    max-width: 400px;
    margin-bottom: 30px;
    transition: all 0.3s ease-in-out;
  }
  
  .login-container:hover,
  .admin-panel:hover {
    transform: translateY(-5px);
  }
  
  /* Typography */
  h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
  }
  p#message {
    text-align: center;
    margin-top: 10px;
    color: red;
    font-weight: bold;
  }
  
  /* Input styles */
  input {
    width: 100%;
    padding: 12px 15px;
    margin: 10px 0;
    border: none;
    border-radius: 10px;
    background-color: #f0f4f8;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
    font-size: 16px;
  }
  input:focus {
    outline: none;
    background-color: #e0f7ff;
  }
  
  /* Button styles */
  button {
    width: 100%;
    padding: 12px;
    margin-top: 15px;
    background: linear-gradient(to right, #00c6ff, #0072ff);
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
  }
  button:hover {
    background: linear-gradient(to right, #0072ff, #00c6ff);
  }
  
  /* Admin Panel List */
  ul {
    list-style: none;
    margin-top: 15px;
  }
  li {
    background: #f9f9f9;
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  li button {
    width: auto;
    margin-left: 10px;
    background: #ff6b6b;
  }
  li button:hover {
    background: #ff4e4e;
  }
  
  /* Popup Modal Styles */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
  }
  
  .popup {
    background: white;
    padding: 30px 25px;
    border-radius: 15px;
    text-align: center;
    max-width: 350px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    position: relative;
    animation: fadeInScale 0.4s ease;
  }
  
  .popup h3 {
    margin-bottom: 10px;
    color: #333;
  }
  
  .popup p {
    color: #666;
  }
  
  .close-btn {
    position: absolute;
    top: 8px;
    right: 15px;
    font-size: 20px;
    font-weight: bold;
    color: #666;
    cursor: pointer;
  }
  
  .close-btn:hover {
    color: #ff3333;
  }
  
  /* Animation */
  @keyframes fadeInScale {
    from {
      transform: scale(0.8);
      opacity: 0;
    }
    to {
      transform: scale(1);
      opacity: 1;
    }
  }
  .contact-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    color: white;
    border: none;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(0, 114, 255, 0.4);
    transition: all 0.3s ease;
  }
  
  .contact-btn:hover {
    background: linear-gradient(135deg, #0072ff, #00c6ff);
    transform: scale(1.05);
  }