.unavailable-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      text-align: center;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
    }
    .unavailable-box {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      border-radius: 20px;
      padding: 40px;
      max-width: 500px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .unavailable-icon {
      font-size: 4rem;
      margin-bottom: 20px;
    }
    .unavailable-title {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .unavailable-message {
      font-size: 1.1rem;
      margin-bottom: 30px;
      opacity: 0.9;
      line-height: 1.6;
    }
    .admin-link {
      display: inline-block;
      background: rgba(255, 255, 255, 0.2);
      color: white;
      padding: 12px 24px;
      border-radius: 10px;
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s ease;
      border: 2px solid rgba(255, 255, 255, 0.3);
    }
    .admin-link:hover {
      background: rgba(255, 255, 255, 0.3);
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    }