:root {
      --gold: #FFD700;
      --blue-dark: #1e3c72;
      --blue-mid: #2a5298;
      --glass-bg: rgba(255, 255, 255, 0.1);
      --glass-border: rgba(255, 255, 255, 0.2);
    }
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Calibri Light', Calibri, Arial, sans-serif;
    }
    html, body {
      height: 100%;
      overflow-x: hidden;
      overflow-y: scroll;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    body::-webkit-scrollbar {
      display: none;
    }
    body {
      background: linear-gradient(to right, var(--blue-dark), var(--blue-mid));
      color: white;
      text-shadow: 3px 3px 6px black;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }
    .top-bar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      background: linear-gradient(to right, var(--blue-dark), var(--blue-mid));
      z-index: 999;
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      padding: 20px 35px 0 35px;
    }
    .logo-text {
      display: flex;
      align-items: center;
    }
    .tsra {
      font-size: 49px;
      font-weight: bold;
      color: var(--gold);
      text-shadow: 10px 10px 22px black;
      line-height: 1;
    }
    .edu-block {
      display: flex;
      flex-direction: column;
      justify-content: center;
      margin-left: 12px;
      line-height: 1.0;
    }
    .edu-line {
      font-size: 20px;
      color: white;
      text-shadow: 10px 10px 22px black;
    }
    .top-nav {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 2px;
    }
    .top-nav a {
      display: block;
      width: 80px;
      font-size: 13px;
      text-align: left;
      background-color: transparent;
      border: 1px solid var(--gold);
      border-radius: 4px;
      box-shadow: none;
      padding: 2px 4px;
      color: white;
      text-shadow: 3px 3px 6px black;
      text-decoration: none;
      margin-bottom: 3px;
    }
    
    /* Dropdown için özel stiller */
    .welcome-container {
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
    }
    
    .welcome-box {
      background-color: transparent;
      border: 1px solid var(--gold);
      border-radius: 4px;
      padding: 2px 8px;
      font-size: 13px;
      color: white;
      text-shadow: 3px 3px 6px black;
      cursor: pointer;
      display: inline-block;
      transition: background-color 0.3s ease;
      text-align: right;
    }
    
    .welcome-box:hover,
    .welcome-box:focus {
      background-color: rgba(255, 255, 255, 0.1);
    }
    
    .dropdown-menu {
      display: none;
      position: absolute;
      top: 100%;
      right: 0;
      background-color: var(--glass-bg);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border: 1px solid var(--glass-border);
      border-radius: 5px;
      min-width: 120px;
      margin-top: 5px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.2);
      z-index: 1000;
    }
    
    .dropdown-menu.active {
      display: block;
    }
    
    .dropdown-menu a {
      display: block;
      color: white;
      padding: 4px 15px;
      text-decoration: none;
      font-size: 13px;
      text-align: center;
      text-shadow: 2px 2px 4px black;
      transition: background-color 0.3s ease;
    }
    
    .dropdown-menu a:last-child {
      border-radius: 0 0 5px 5px;
    }
    
    .dropdown-menu a:first-child {
      border-radius: 5px 5px 0 0;
    }
    
    .dropdown-menu a:hover,
    .dropdown-menu a:focus {
      background-color: rgba(255, 215, 0, 0.2);
      outline: none;
    }
    
    /* Logout butonu */
    .logout-button {
      display: block;
      width: 80px;
      font-size: 13px;
      text-align: right;
      border: 1px solid var(--gold);
      border-radius: 4px;
      box-shadow: none;
      padding: 2px 4px;
      color: white;
      text-shadow: 3px 3px 6px black;
      text-decoration: none;
      background-color: transparent;
      transition: background-color 0.3s ease;
      margin-bottom: 0px;
      line-height: normal;
      vertical-align: baseline;
    }
    
    .logout-button:hover,
    .logout-button:focus {
      background-color: rgba(255, 215, 0, 0.2);
    }
    
    .side-menu {
      position: fixed;
      top: 120px;
      left: 0;
      padding-left: 35px;
      display: flex;
      flex-direction: column;
      gap: 25px;
      z-index: 10;
    }
    .side-menu a {
      font-size: 20px;
      color: white;
      text-shadow: 10px 10px 22px black;
      text-decoration: none;
      /* Hover efekti için geçiş ve border hazırlığı */
      transition: all 0.3s ease;
      border-left: 3px solid transparent;
      padding-left: 0;
    }
    /* Sol menü hover efekti */
    .side-menu a:hover {
      background-color: rgba(255, 215, 0, 0.1);
      border-left-color: var(--gold);
      padding-left: 10px;
    }
    .main-wrapper {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      padding: 140px 20px 120px;
    }
    .main-text {
      text-align: center;
      margin-bottom: 60px;
    }
    .slogan {
      font-family: 'Kunstler Script', cursive;
      font-size: 120px;
      font-weight: 300;
      color: var(--gold);
      text-shadow: 10px 10px 30px black, 15px 15px 40px black;
    }
    .subtitle {
      font-size: 20px;
      color: white;
      text-shadow: 10px 10px 22px black;
      margin-top: 10px;
    }
    .cards {
      display: flex;
      justify-content: center;
      gap: 30px;
      flex-wrap: wrap;
      margin-top: 60px;
    }
    .card {
      background-color: var(--glass-bg);
      border: 1px solid var(--glass-border);
      padding: 20px;
      border-radius: 12px;
      width: 280px;
      box-shadow: 6px 6px 12px rgba(0,0,0,0.5);
      text-align: center;
    }
    .card h2 {
      color: var(--gold);
      text-shadow: 3px 3px 6px black;
    }
    .card p {
      font-size: 20px;
      color: white;
      text-shadow: 2px 2px 4px black;
    }
    .cta-button {
      background: linear-gradient(to right, var(--gold), orange);
      color: black;
      padding: 10px 20px;
      font-size: 16px;
      font-weight: bold;
      border: none;
      border-radius: 8px;
      box-shadow: 10px 10px 22px black;
      cursor: pointer;
      margin-top: 40px;
    }
    .bottom-bar {
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      justify-content: flex-end;
      position: fixed;
      bottom: 0;
      right: 35px;
      padding: 20px 0;
      text-align: right;
      gap: 6px;
      z-index: 999;
    }
    .bottom-bar a {
      display: block;
      width: 80px;
      font-size: 13px;
      text-align: left;
      border: 1px solid var(--gold);
      border-radius: 4px;
      box-shadow: none;
      padding: 2px 4px;
      color: white;
      text-shadow: 3px 3px 6px black;
      text-decoration: none;
      margin-bottom: 0px;
      transition: background-color 0.3s ease;
    }
    
    /* Footer linkleri için hover efekti */
    .bottom-bar a:hover {
      background-color: rgba(255, 215, 0, 0.2);
    }
    
    /* Mobil için özel stiller */
    @media (max-width: 768px) {
      .main-wrapper {
        padding: 160px 20px 140px;
      }
      .cards {
        flex-direction: column;
        align-items: center;
      }
      .side-menu {
        display: none;
      }
      .slogan {
        font-size: 60px;
      }
      
      .welcome-container {
        position: static;
      }
      
      .dropdown-menu {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        margin: 0;
        border-radius: 15px 15px 0 0;
        min-width: 100%;
      }
      
      .dropdown-menu a {
        padding: 15px;
        font-size: 16px;
      }
    }

.animated-header .top-bar {
  background: linear-gradient(-45deg, var(--blue-dark), var(--blue-mid), var(--blue-dark), var(--blue-mid));
  background-size: 400% 400%;
  animation: gradientShift 12s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}