/* Use Inter font everywhere */
body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
}

/* Logo style at the top */
.logo-top {
  max-height: 80px;
  display: block;
  margin: 0 auto;
}

/* Cover page buttons */
.cover-type-btn {
  transition: all 0.3s ease-in-out;
  cursor: pointer;
  border-width: 2px;
  font-size: 1rem;
  border-radius: 0.75rem;
}

/* Highlight selected button */
.cover-type-btn.selected {
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.3); /* Blue outline */
  font-weight: 700;
  transform: scale(1.03);
}

/* Smooth hover and click effect */
.cover-type-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Container animation */
.container-box {
  transition: all 0.3s ease-in-out;
}
.container-box:hover {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  transform: scale(1.01);
}

/* ========== Footer Styles ========== */
footer {
  text-align: center;
  font-size: 0.875rem;
  color: #4b5563; /* Tailwind gray-600 */
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

/* Footer social icons */
footer .social-icons img {
  width: 24px;
  height: 24px;
  transition: transform 0.2s ease-in-out;
}

footer .social-icons a:hover img {
  transform: scale(1.2);
}

/* Footer links */
footer a {
  color: #1e40af; /* Tailwind blue-900 */
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Responsive spacing */
@media (max-width: 640px) {
  footer {
    font-size: 0.75rem;
    padding: 0 1rem;
  }

  footer .social-icons {
    gap: 0.75rem;
  }
}