#bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: white;
  border-top: 1px solid #ccc;
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 9999;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

#bottom-nav a,
#bottom-nav button {
  background: none;
  border: none;
  font-size: 22px;
  color: #333;
}

#bottom-nav i {
  pointer-events: none;
}

#category-modal {
  position: fixed;
  bottom: 60px;
  left: 0;
  right: 0;
  background: white;
  border-top: 1px solid #ccc;
  padding: 1rem;
  z-index: 9998;
}

.modal-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.modal-content li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #eee;
}

.category-button {
  background: none;
  border: none;
  font-size: 16px;
  color: #333;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.category-button i {
  font-size: 22px;
}

#category-section {
  position: fixed;
  bottom: -100%;
  left: 0;
  right: 0;
  background: #fff;
  transition: bottom 0.4s ease;
  z-index: 9998;
  padding: 1rem;
}

#category-section.show {
  bottom: 60px; /* height of bottom nav */
}
.category-box {
  position: fixed;
  bottom: -100%;
  left: 0;
  width: 100%;
  background: #fff;
  text-align: center;
  padding: 20px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
  transition: bottom 0.3s ease-in-out;
  z-index: 999;
}

.category-box.show {
  bottom: 60px;
}

.category-box a {
  display: block;
  margin: 10px 0;
  font-weight: bold;
  color: #333;
  text-decoration: none;
}

.category-box a:hover {
  color: #007bff;
}

.close-btn {
  position: absolute;
  top: 8px;
  right: 16px;
  background: transparent;
  border: none;
  font-size: 22px;
  cursor: pointer;
}