@media screen and (max-width: 768px) {
  header nav ul {
    flex-direction: column;
    padding: 10px 0;
  }

  #dashboard {
    flex-direction: column;
    align-items: center;
  }

  .summary-card {
    width: 80%;
    margin: 10px 0;
  }
  .form-container {
    padding: 15px;
  }
  .form-container button {
    width: 100%;
  }
  table {
    font-size: 0.9rem;
  }
  button.delete-btn {
    padding: 5px 10px;
  }

  .navbar {
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0.5rem;
  }

  .logo-section {
    order: 1;
    flex: 1 1 auto;
  }

  .mini-converter {
    order: 2;
  }

  .header-controls {
    order: 3;
  }

  .nav-links {
    order: 4;
    flex: 1 1 100%;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
  }

  .nav-links a span {
    display: none;
  }

  .nav-links a {
    padding: 0.5rem;
  }

  .nav-links a i {
    font-size: 1.2rem;
  }

  .nav-links a:hover::before,
  .nav-links a:hover::after {
    opacity: 1;
    visibility: visible;
  }

  .nav-links a::before {
    bottom: -25px;
  }

  .nav-links a::after {
    bottom: -8px;
  }
}

@media screen and (min-width: 769px) {
  .nav-links a::before,
  .nav-links a::after {
    display: none;
  }
}

@media screen and (max-width: 1024px) {
  .navbar {
    padding: 0 1rem;
  }

  .brand-text h1 {
    font-size: 1.2rem;
  }

  .tagline {
    font-size: 0.7rem;
  }
}

@media screen and (max-width: 480px) {
  .logo-icon {
    padding: 0.5rem;
  }

  .animate-coin {
    font-size: 1.2rem;
  }

  .brand-text h1 {
    font-size: 1rem;
  }

  .mini-converter {
    display: none;
  }

  .header-controls {
    gap: 0.5rem;
  }

  .theme-toggle,
  .settings-link {
    font-size: 1rem;
    padding: 0.4rem;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}