:root {
  --mm-font-size-1: 1.5rem;
  --mm-font-size-2: 1.1rem;
  --mm-font-size-3: 0.8rem;
  --mm-font-empty: calc(var(--mm-font-size-1) * 0.25);
}

/* Bottom Navigation Component Styles */
.bottom-navigation {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 0 0 4rem;;
  margin: 0 auto;
  max-width: calc(100% - 10rem);
}

.nav-group {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0;
}

.nav-group:last-child {
  justify-content: flex-end;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  background: none;
  border: none;
  color:var(--color-fg);
  cursor: pointer;
  border-radius: 8px;
  /* transition: opacity 0.3s ease; */
  letter-spacing: 2px;
  width: fit-content;
}
.nav-item-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0;
  width: fit-content;
  line-height: 1;
}

.nav-item-contact-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  width: 100%;
  line-height: 1;
  min-width: calc(var(--mm-font-size-1) * 20);
}
.nav-item-contact-row span {
  font-size: var(--mm-font-size-2) !important;
  display: none;
  text-align: left;
}
.nav-item-contact-row span:first-child {
  min-width: 8rem;
  text-align: left;
}
/* new-contact 페이지에서만 span 요소를 보이게 함 */
.new-main-root .nav-item-contact-row span {
  display: block !important;
}
.nav-item-contact-row .detail {
  font-size: var(--mm-font-size-3) !important;
  text-align: left !important;
  font-weight: 400 !important;
  width: fit-content;
}
.nav-item:hover {
  color:var(--color-accent) !important;
}

.nav-item .disabled,
.nav-item span.disabled,
.nav-item div.disabled,
.nav-item .nav-item-row.disabled {
  color: var(--color-fg) !important;
}

.nav-item:hover .disabled,
.nav-item:hover span.disabled,
.nav-item:hover div.disabled,
.nav-item:hover .nav-item-row.disabled {
  color: var(--color-fg) !important;
}
.nav-item span {
  font-size: var(--mm-font-size-1);
  font-weight: 700;
  line-height: 1;
  text-align: center;
}

.nav-item .empty {
  padding: 0 var(--mm-font-empty);
}

.nav-group:first-child .nav-item:first-child {
  align-items: flex-start;
  padding-right: 20%;
}
.nav-group:first-child .nav-item:nth-child(2) {
  align-items: flex-end;
  padding-right: 10%;
  
}

.nav-group:first-child .nav-item:nth-child(3) {
  align-items: flex-start;
}

.nav-group:nth-child(2) .nav-item:nth-child(1) {
  align-items: flex-end;
}

.nav-group:nth-child(2) .nav-item:nth-child(2) {
  align-items: center;
}

.nav-group:nth-child(2) .nav-item:nth-child(3){
  align-items: flex-start;
}

.nav-group:nth-child(2) .nav-item:nth-child(3) .empty{
  padding: 0 calc(var(--mm-font-size-1) * 2);
}
.empty-u {
  padding: 0 calc(var(--mm-font-size-1) * 2.5);
}

.nav-group:nth-child(2) .nav-item:nth-child(4) {
  align-items: flex-start;
}

.nav-item .active {
  color: var(--color-accent) !important;
}

.nav-item img {
  filter: brightness(0) invert(0);
  opacity: 0.7;
  transition: opacity 0.3s ease;
  display: block;
}

/* 특정 페이지에서 nav-item 이미지에 invert 적용 */
.main-root .nav-item,
.new-main-root .nav-item,
.about-root .nav-item,
.news-grid-variation-root .nav-item,
.new-contact-root .nav-item,
.main-root .nav-item .disabled,
.new-main-root .nav-item .disabled,
.about-root .nav-item .disabled,
.news-grid-variation-root .nav-item .disabled,
.new-contact-root .nav-item .disabled {
  color:#fff !important;
}

.main-root .nav-item:hover,
.new-main-root .nav-item:hover,
.about-root .nav-item:hover,
.news-grid-variation-root .nav-item:hover,
.new-contact-root .nav-item:hover {
  color:var(--color-accent) !important;
}
.main-root .nav-item:hover .disabled,
.new-main-root .nav-item:hover .disabled,
.about-root .nav-item:hover .disabled,
.news-grid-variation-root .nav-item:hover .disabled,
.new-contact-root .nav-item:hover .disabled {
  color:#fff !important;
}

.nav-item:hover img,
.nav-item.active img {
  opacity: 1;
}

/* Mobile Responsive */
@media (max-width: 991px) {
  .bottom-navigation {
    display: none !important;
  }
}

/* Large Screen */
@media (min-width: 992px) and (max-width: 1360px){
  .nav-container {
    max-width: calc(100% - 6rem);
  }
  .nav-item span {
    font-size: 1rem;
  }
  .nav-item .empty {
  padding: 0 .2rem;
}
}