.bottom-navbar {
  width: 100vw;
  position: fixed;
  left: 0;
  bottom: 0;
  background: #fff;
  border-top: 1.5px solid #eee;
  display: flex;
  justify-content: space-around;
  z-index: 999;
  height: 68px;  /* diperbesar */
  box-shadow: 0 -2px 10px rgba(0,0,0,0.09);
}
.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #888;
  font-size: 1.1rem;  /* lebih besar */
  font-weight: 600;
  flex: 1;
  height: 100%;
  transition: color 0.2s;
  padding-top: 7px;
}
.nav-item img {
  width: 32px;   /* diperbesar */
  height: 32px;
  margin-bottom: 2.5px;
}
.nav-item.active,
.nav-item:active {
  color: #ff5722;
}
.nav-item.active img {
  filter: brightness(1.2) drop-shadow(0 0 2px #ff5722cc);
}
.nav-item span {
  font-size: 1.08rem;
  margin-top: 0.5px;
}
@media (max-width: 430px) {
  .bottom-navbar { height: 60px; }
  .nav-item img { width: 26px; height: 26px; }
  .nav-item span { font-size: 0.9rem; }
}