body {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  font-family: 'Poppins', sans-serif;
}

.navbar {
  background: linear-gradient(135deg, #212529, #343a40);
  padding: 15px;
  border-radius: 10px;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  width: auto;
  margin: 0 auto;
  max-width: 95%;
  z-index: 1000;
  transition: opacity 0.3s ease-in-out;
}

.navbar.scrolled {
  opacity: 0.5;
}

.navbar-brand {
  font-weight: bold;
  font-size: 1.5rem;
}

.navbar-nav .nav-link {
  color: #f8f9fa !important;
  transition: 0.3s;
  font-size: 1.1rem;
}

.navbar-nav .nav-link:hover {
  color: #17a2b8 !important;
  transform: scale(1.1);
}

.table-header {
  background: #212529;
  color: white;
  border-radius: 10px;
  padding: 15px;
  font-weight: bold;
  text-align: center;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.15);
  margin-top: 2%;
}

.input-row {
  transition: all 0.3s ease-in-out;
  border: 2px solid #dee2e6;
  border-radius: 10px;
  padding: 12px;
  background: white;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.15);
}

.input-row input {
  border-radius: 6px;
  border: 1px solid #ced4da;
  padding: 10px;
}

.input-row:hover {
  transform: scale(1.03);
  box-shadow: 0px 5px 10px rgba(0, 0, 0, 0.3);
}

.input-row.checked {
  background: #d4edda;
}

@media (max-width: 1024px) {
  body {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      background: #000;
      color: white;
      text-align: center;
  }
  .container { display: none; }
  body::before {
      content: "This site is only for desktop devices.";
      font-size: 2rem;
      font-weight: bold;
  }
}

.content {
  margin-top: 120px;
}

.modal-content {
  border-radius: 10px;
}