/* ============================================
   MOBILE BOTTOM NAV — white floating bar
   ============================================ */

.mobile-bottom-nav {
  --mbn-height: 4.35rem;
  position: fixed;
  right: 0;
  left: 0;
  bottom: 0;
  z-index: 1040;
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  gap: .2rem;
  min-height: var(--mbn-height);
  padding:
    .45rem .55rem
    calc(.4rem + env(safe-area-inset-bottom, 0px));
  border-radius: 18px 18px 0 0;
  background: #fff;
  border: 1px solid rgb(var(--color-primary-rgb) / .14);
  border-bottom: 0;
  box-shadow:
    0 -10px 28px rgb(var(--color-primary-darker-rgb) / .1),
    0 -2px 10px rgb(var(--color-primary-darker-rgb) / .06),
    0 0 0 1px rgb(255 255 255 / .85) inset;
}

.mobile-bottom-nav__item,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item {
  position: relative;
  z-index: 1;
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .28rem;
  padding: .15rem .2rem .05rem;
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: .68rem;
  font-weight: 700;
  line-height: 1.15;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color .22s ease, transform .22s ease;
}

.mobile-bottom-nav__icon {
  display: grid;
  place-items: center;
  width: 2.45rem;
  height: 2.45rem;
  border-radius: 15px;
  background: var(--color-hero-surface);
  border: 1px solid rgb(var(--color-primary-rgb) / .12);
  color: var(--color-primary-dark);
  transition:
    background .22s ease,
    border-color .22s ease,
    color .22s ease,
    box-shadow .22s ease,
    transform .22s ease;
}

.mobile-bottom-nav__icon i {
  font-size: 1.2rem;
  line-height: 1;
}

.mobile-bottom-nav__label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  letter-spacing: .01em;
}

.mobile-bottom-nav__item:hover,
.mobile-bottom-nav__item:focus-visible,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item:hover,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item:focus-visible {
  color: var(--color-text);
  outline: none;
}

.mobile-bottom-nav__item:hover .mobile-bottom-nav__icon,
.mobile-bottom-nav__item:focus-visible .mobile-bottom-nav__icon,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item:hover .mobile-bottom-nav__icon,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item:focus-visible .mobile-bottom-nav__icon {
  background: var(--color-hero-surface-2);
  border-color: rgb(var(--color-primary-rgb) / .22);
  transform: translateY(-1px);
}

.mobile-bottom-nav__item:active .mobile-bottom-nav__icon,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item:active .mobile-bottom-nav__icon {
  transform: scale(.94);
}

.mobile-bottom-nav__item.active,
.mobile-bottom-nav__item.is-open,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item.active,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item.is-open {
  color: var(--color-primary-dark);
}

.mobile-bottom-nav__item.active .mobile-bottom-nav__icon,
.mobile-bottom-nav__item.is-open .mobile-bottom-nav__icon,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item.active .mobile-bottom-nav__icon,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item.is-open .mobile-bottom-nav__icon {
  color: #fff;
  background: linear-gradient(145deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-color: rgb(var(--color-primary-rgb) / .35);
  box-shadow:
    0 8px 20px rgb(var(--color-primary-darker-rgb) / .22),
    inset 0 1px 0 rgb(255 255 255 / .28);
  transform: translateY(-3px);
}

.mobile-bottom-nav__item.active::after,
.mobile-bottom-nav__item.is-open::after,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item.active::after,
.mobile-bottom-nav__profile > .mobile-bottom-nav__item.is-open::after {
  content: "";
  position: absolute;
  top: -.08rem;
  left: 50%;
  width: 1.1rem;
  height: .2rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent-light), var(--color-accent));
  transform: translateX(-50%);
  box-shadow: 0 0 8px rgb(var(--color-accent-rgb) / .4);
}

.mobile-bottom-nav__profile {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  display: flex;
}

.mobile-bottom-nav__profile > .mobile-bottom-nav__item {
  width: 100%;
}

.mobile-bottom-nav__backdrop {
  position: fixed;
  inset: 0;
  z-index: 1041;
  border: 0;
  padding: 0;
  background: rgb(var(--color-primary-darker-rgb) / .28);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  cursor: default;
  animation: mbn-fade-in .18s ease;
}

.mobile-bottom-nav__popup {
  position: absolute;
  right: 50%;
  bottom: calc(100% + .75rem);
  transform: translateX(50%);
  z-index: 1042;
  min-width: 188px;
  padding: .45rem;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgb(var(--color-primary-rgb) / .14);
  box-shadow:
    0 16px 40px rgb(var(--color-primary-darker-rgb) / .16),
    0 6px 16px rgb(var(--color-primary-darker-rgb) / .08),
    0 0 0 1px rgb(255 255 255 / .85) inset;
  animation: mbn-pop-up .22s cubic-bezier(.2, .8, .2, 1);
}

.mobile-bottom-nav__popup::after {
  content: "";
  position: absolute;
  right: 50%;
  bottom: -.42rem;
  width: .85rem;
  height: .85rem;
  background: #fff;
  border-right: 1px solid rgb(var(--color-primary-rgb) / .14);
  border-bottom: 1px solid rgb(var(--color-primary-rgb) / .14);
  transform: translateX(50%) rotate(45deg);
}

.mobile-bottom-nav__popup-item {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: .6rem;
  width: 100%;
  padding: .72rem .8rem;
  border-radius: 12px;
  color: var(--color-text);
  text-decoration: none;
  font-size: .84rem;
  font-weight: 700;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}

.mobile-bottom-nav__popup-item i {
  display: grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 10px;
  background: var(--color-hero-surface);
  color: var(--color-primary-dark);
  font-size: 1rem;
}

.mobile-bottom-nav__popup-item:hover,
.mobile-bottom-nav__popup-item:focus-visible {
  background: var(--color-hero-surface);
  color: var(--color-primary-dark);
  outline: none;
  transform: translateX(-2px);
}

.mobile-bottom-nav__popup-item--danger {
  color: var(--color-danger);
}

.mobile-bottom-nav__popup-item--danger i {
  background: rgb(var(--color-danger-rgb) / .1);
  color: var(--color-danger);
}

.mobile-bottom-nav__popup-item--danger:hover,
.mobile-bottom-nav__popup-item--danger:focus-visible {
  background: rgb(var(--color-danger-rgb) / .08);
  color: var(--color-danger);
}

@keyframes mbn-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes mbn-pop-up {
  from {
    opacity: 0;
    transform: translateX(50%) translateY(8px) scale(.96);
  }

  to {
    opacity: 1;
    transform: translateX(50%) translateY(0) scale(1);
  }
}

@media (max-width: 991.98px) {
  body:has(.mobile-bottom-nav) {
    padding-bottom: calc(var(--mbn-height) + .55rem + env(safe-area-inset-bottom, 0px));
  }
}

@media (max-width: 380px) {
  .mobile-bottom-nav {
    gap: .05rem;
    padding-inline: .35rem;
  }

  .mobile-bottom-nav__icon {
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 13px;
  }

  .mobile-bottom-nav__icon i {
    font-size: 1.08rem;
  }

  .mobile-bottom-nav__label {
    font-size: .62rem;
  }
}

@media (min-width: 992px) {
  .mobile-bottom-nav {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-bottom-nav__item,
  .mobile-bottom-nav__icon,
  .mobile-bottom-nav__popup,
  .mobile-bottom-nav__popup-item,
  .mobile-bottom-nav__backdrop {
    animation: none !important;
    transition: none !important;
  }
}