:root {
    --primary-bg: #121212;
    --secondary-bg: #1e1e1e;
    --primary-text: #ffffff;
    --secondary-text: #e0e0e0;
    --accent-color: #4d4d4d;
    --highlight-color: #ff3366;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    --hover-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
  }
  
  html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    background-color: var(--primary-bg);
    color: var(--primary-text);
    font-family: 'Noto Sans', sans-serif;
    line-height: 1.6;
  }
  
  /* Header styling */
  header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    background-color: var(--secondary-bg);
    box-shadow: var(--box-shadow);
    height: 70px;
  }
  
  .logo {
    margin-left: 30px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-text);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
  }
  
  .logo::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: var(--highlight-color);
    margin-right: 10px;
    transform: rotate(45deg);
  }
  
  .nav-links {
    display: flex;
    align-items: center;
    flex-grow: 1;
    justify-content: center;
  }
  
  .center-links {
    display: flex;
    justify-content: center;
    margin: 0 auto;
  }
  
  .right-aligned-links {
    display: flex;
    margin-right: 30px;
  }
  
  .nav-links a {
    margin: 0 15px;
    text-decoration: none;
    color: var(--secondary-text);
    padding: 8px 15px;
    border-radius: 4px;
    transition: var(--transition);
    font-weight: 500;
  }
  
  .nav-links a:hover {
    color: var(--primary-text);
    background-color: rgba(255, 255, 255, 0.05);
    box-shadow: var(--hover-shadow);
    transform: translateY(-2px);
  }
  
  .nav-links a.active {
    color: var(--primary-text);
    border-bottom: 2px solid var(--highlight-color);
  }
  
  .nav-links a[href="#Register"] {
    background-color: var(--highlight-color);
    color: var(--primary-text);
    padding: 8px 20px;
  }
  
  .nav-links a[href="#Register"]:hover {
    background-color: var(--highlight-color);
    opacity: 0.9;
  }
  
  /* Buttons */
  .button {
    background-color: var(--highlight-color);
    color: var(--primary-text);
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    font-weight: 500;
    text-align: center;
  }
  
  .button:hover {
    box-shadow: var(--hover-shadow);
    transform: translateY(-2px);
  }
  
  /* Form elements */
  input, select, textarea {
    background-color: var(--secondary-bg);
    border: 1px solid var(--accent-color);
    color: var(--primary-text);
    padding: 10px;
    border-radius: 4px;
    transition: var(--transition);
  }
  
  input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--highlight-color);
    box-shadow: 0 0 0 2px rgba(255, 51, 102, 0.2);
  }
  
  /* Tables */
  table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: 20px;
  }
  
  th {
    background-color: var(--secondary-bg);
    color: var(--primary-text);
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--accent-color);
    position: sticky;
    top: 0;
    z-index: 10;
  }
  
  td {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--secondary-text);
  }
  
  tr:hover td {
    background-color: rgba(255, 255, 255, 0.05);
  }
  
  /* Footer */
  footer {
    width: 100%;
    background-color: var(--secondary-bg);
    padding: 20px 0;
    text-align: center;
    color: var(--secondary-text);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  }
  
  .footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
  }
  
  .footer-logo::before {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    background-color: var(--highlight-color);
    margin-right: 8px;
    transform: rotate(45deg);
  }
  
  .footer-links {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
  }
  
  .footer-links a {
    color: var(--secondary-text);
    text-decoration: none;
    transition: var(--transition);
  }
  
  .footer-links a:hover {
    color: var(--primary-text);
  }
  
  /* Utility classes */
  .hidden {
    display: none;
  }
  
  .scrollable-container {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--accent-color);
    border-radius: 4px;
    background-color: var(--secondary-bg);
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) var(--secondary-bg);
  }
  
  .scrollable-container::-webkit-scrollbar {
    width: 8px;
  }
  
  .scrollable-container::-webkit-scrollbar-track {
    background: var(--secondary-bg);
  }
  
  .scrollable-container::-webkit-scrollbar-thumb {
    background-color: var(--accent-color);
    border-radius: 4px;
  }
  
  /* Section styling */
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    margin-bottom: 30px;
    text-align: center;
    font-size: 2.2rem;
    color: var(--primary-text);
  }
  
  .section-subtitle {
    font-size: 1.2rem;
    color: var(--secondary-text);
    margin-bottom: 20px;
  }