body {
      margin: 0;
      font-family: 'Roboto', sans-serif;
      background: linear-gradient(to right, #141e30, #243b55);
      color: #fff;
    }

    .main-header {
      background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
      padding: 0;
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }

    .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .logo {
      font-size: 1.8em;
      font-weight: bold;
      color: #00ffff;
      display: flex;
      align-items: center;
    }

    .logo i {
      margin-right: 10px;
    }

    .main-nav {
      display: flex;
    }

    .main-nav a {
      color: #fff;
      text-decoration: none;
      padding: 20px 15px;
      transition: all 0.3s ease;
      position: relative;
      font-weight: 500;
    }

    .main-nav a:hover {
      background: rgba(255, 255, 255, 0.1);
      color: #00ffcc;
    }

    .main-nav a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      width: 0;
      height: 3px;
      background: #00ffcc;
      transition: all 0.3s ease;
    }

    .main-nav a:hover::after {
      width: 100%;
      left: 0;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: white;
      font-size: 1.5em;
      cursor: pointer;
    }

    .salary-container {
      max-width: 1000px;
      margin: 40px auto;
      padding: 30px;
      background: rgba(0, 0, 0, 0.4);
      border-radius: 15px;
      box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
      backdrop-filter: blur(10px);
    }

    .salary-header {
      text-align: center;
      margin-bottom: 30px;
    }

    .salary-header h1 {
      color: #00ffcc;
      margin-bottom: 10px;
    }

    .date-selector {
      display: flex;
      justify-content: center;
      margin-bottom: 30px;
      align-items: center;
      gap: 15px;
    }

    .date-selector label {
      font-weight: bold;
    }

    .date-selector select {
      padding: 10px 15px;
      border-radius: 5px;
      border: none;
      background: rgba(255, 255, 255, 0.1);
      color: black;
      font-size: 1em;
    }

    .date-selector select:focus {
      outline: 2px solid #00ffcc;
    }

    .salary-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 20px;
    }

    .salary-table th, .salary-table td {
      padding: 15px;
      text-align: left;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .salary-table th {
      background-color: rgba(0, 255, 204, 0.2);
      color: #00ffcc;
    }

    .salary-table tr:hover {
      background-color: rgba(255, 255, 255, 0.05);
    }

    .highlight {
      color: #00ffcc;
      font-weight: bold;
    }

    .summary {
      margin-top: 30px;
      padding: 20px;
      background: rgba(0, 255, 204, 0.1);
      border-radius: 10px;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
    }

    .summary-item {
      margin: 10px;
    }

    .summary-item span {
      font-weight: bold;
      color: #00ffcc;
    }

    footer {
      text-align: center;
      padding: 30px;
      background: linear-gradient(to right, #0f2027, #203a43);
      color: #aaa;
      margin-top: 50px;
    }

    .social-links {
      margin-top: 20px;
    }

    .social-links a {
      color: #aaa;
      margin: 0 10px;
      font-size: 1.5em;
      transition: color 0.3s ease;
    }

    .social-links a:hover {
      color: #00ffcc;
    }

    @media (max-width: 768px) {
      .header-container {
        flex-direction: column;
        padding: 10px;
      }

      .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
      }

      .main-nav.active {
        display: flex;
      }

      .main-nav a {
        padding: 12px;
        text-align: center;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
      }

      .mobile-menu-btn {
        display: block;
        position: absolute;
        top: 15px;
        right: 20px;
      }

      .salary-container {
        margin: 20px;
        padding: 20px;
      }

      .date-selector {
        flex-direction: column;
      }

      .summary {
        flex-direction: column;
      }

      .salary-table {
        font-size: 0.9em;
      }

      .salary-table th, .salary-table td {
        padding: 10px 5px;
      }
    }