.subnav.hidden {
  display: none !important;
}


.subnav > .sub-item[data-group] {
  display: none !important;
}


.subnav {
  position: fixed !important;
  left: 12px !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  width: 72px !important;
  max-height: calc(100vh - 140px) !important;
  padding: 12px 0 !important;
  background: rgba(255, 255, 255, 0.75) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border-radius: 20px !important;
  border: 1px solid rgba(255, 255, 255, 0.6) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1) !important;
  z-index: 19 !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 8px !important;
  height: auto !important;
  border-right: none !important;
  box-sizing: border-box !important;
}

.subnav-inner {
  width: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 4px !important;
  padding: 0 !important;
}

.subnav-group {
  display: none !important;
  width: 100% !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 6px !important;
}

.subnav-group.active {
  display: flex !important;
}

.subnav-group-title {
  display: none !important;
}

.sub-item {
  width: 52px !important;
  height: 52px !important;
  padding: 0 !important;
  margin: 0 !important;
  border-radius: 16px !important;
  border: 1px solid rgba(59, 130, 246, 0.12) !important;
  background: rgba(59, 130, 246, 0.1) !important;
  color: rgba(59, 130, 246, 0.9) !important;
  cursor: pointer !important;
  font-weight: 400 !important;
  font-size: 24px !important;
  line-height: 1 !important;
  position: relative !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-direction: column !important;
  gap: 0 !important;
  overflow: hidden !important;
  transform-origin: center !important;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.sub-item:hover {
  transform: scale(1.15) !important;
  background: rgba(59, 130, 246, 0.2) !important;
  border-color: rgba(59, 130, 246, 0.25) !important;
  box-shadow: 0 12px 24px rgba(59, 130, 246, 0.15) !important;
}

.sub-item.active {
  background: rgba(59, 130, 246, 0.25) !important;
  border-color: rgba(59, 130, 246, 0.35) !important;
  color: rgba(37, 99, 235, 1) !important;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.2) !important;
}

.sub-item.active:hover {
  transform: scale(1.2) !important;
  box-shadow: 0 14px 32px rgba(59, 130, 246, 0.25) !important;
}

.sub-item:active {
  transform: scale(0.95) !important;
}


.subnav[data-page="home"] .sub-item {
  border-color: rgba(59, 130, 246, 0.12) !important;
  background: rgba(59, 130, 246, 0.1) !important;
  color: rgba(37, 99, 235, 0.9) !important;
}

.subnav[data-page="home"] .sub-item:hover {
  background: rgba(59, 130, 246, 0.2) !important;
  border-color: rgba(59, 130, 246, 0.25) !important;
  box-shadow: 0 12px 24px rgba(59, 130, 246, 0.15) !important;
}

.subnav[data-page="home"] .sub-item.active {
  background: rgba(59, 130, 246, 0.25) !important;
  border-color: rgba(59, 130, 246, 0.35) !important;
  color: rgba(37, 99, 235, 1) !important;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.2) !important;
}

.subnav[data-page="archive"] .sub-item {
  border-color: rgba(109, 40, 217, 0.12) !important;
  background: rgba(109, 40, 217, 0.1) !important;
  color: rgba(109, 40, 217, 0.9) !important;
}

.subnav[data-page="archive"] .sub-item:hover {
  background: rgba(109, 40, 217, 0.2) !important;
  border-color: rgba(109, 40, 217, 0.25) !important;
  box-shadow: 0 12px 24px rgba(109, 40, 217, 0.15) !important;
}

.subnav[data-page="archive"] .sub-item.active {
  background: rgba(109, 40, 217, 0.25) !important;
  border-color: rgba(109, 40, 217, 0.35) !important;
  color: rgba(109, 40, 217, 1) !important;
  box-shadow: 0 8px 20px rgba(109, 40, 217, 0.2) !important;
}

.subnav[data-page="chat"] .sub-item {
  border-color: rgba(67, 56, 202, 0.12) !important;
  background: rgba(67, 56, 202, 0.1) !important;
  color: rgba(67, 56, 202, 0.9) !important;
}

.subnav[data-page="chat"] .sub-item:hover {
  background: rgba(67, 56, 202, 0.2) !important;
  border-color: rgba(67, 56, 202, 0.25) !important;
  box-shadow: 0 12px 24px rgba(67, 56, 202, 0.15) !important;
}

.subnav[data-page="chat"] .sub-item.active {
  background: rgba(67, 56, 202, 0.25) !important;
  border-color: rgba(67, 56, 202, 0.35) !important;
  color: rgba(67, 56, 202, 1) !important;
  box-shadow: 0 8px 20px rgba(67, 56, 202, 0.2) !important;
}

.sub-icon {
  width: 100% !important;
  height: 100% !important;
  font-size: 24px !important;
  line-height: 52px !important;
  text-align: center !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  overflow: hidden !important;
}

.sub-icon svg {
  width: 22px !important;
  height: 22px !important;
  display: block !important;
  stroke: currentColor !important;
  fill: none !important;
  flex: 0 0 auto !important;
}

.sub-text,
.sub-desc {
  display: none !important;
}

.sub-item::after {
  content: attr(data-label) !important;
  position: absolute !important;
  left: 100% !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  margin-left: 12px !important;
  padding: 6px 12px !important;
  background: rgba(15, 23, 42, 0.9) !important;
  color: #fff !important;
  border-radius: 8px !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  white-space: nowrap !important;
  pointer-events: none !important;
  opacity: 0 !important;
  transition: opacity 0.2s ease !important;
  z-index: 10 !important;
}

.sub-item:hover::after {
  opacity: 1 !important;
}

.sub-item::before {
  display: none !important;
}

.subnav.collapsed {
  transform: translateY(-50%) translateX(-100%) !important;
  opacity: 0 !important;
  pointer-events: none !important;
  transition: all 0.3s ease !important;
}

.subnav::-webkit-scrollbar {
  width: 4px;
}

.subnav::-webkit-scrollbar-track {
  background: transparent;
}

.subnav::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 2px;
}

.subnav::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

@media (max-width: 1024px) {
  .subnav {
    left: 8px !important;
    top: calc(50% + 20px) !important;
    width: 64px !important;
  }

  .sub-item {
    width: 48px !important;
    height: 48px !important;
    font-size: 20px !important;
    border-radius: 14px !important;
  }

  .sub-icon {
    line-height: 48px !important;
    font-size: 20px !important;
  }
}


@media (max-width: 480px) {
  .subnav {
    position: sticky !important;
    left: 0 !important;
    top: var(--topbar-h, 72px) !important;
    bottom: auto !important;
    right: auto !important;
    transform: none !important;
    width: 100% !important;
    max-height: none !important;
    margin: 0 0 8px !important;
    padding: 8px 8px 10px !important;
    background: rgba(255, 255, 255, 0.86) !important;
    backdrop-filter: blur(18px) !important;
    -webkit-backdrop-filter: blur(18px) !important;
    border-radius: 0 0 18px 18px !important;
    border: none !important;
    border-bottom: 1px solid rgba(203, 213, 225, 0.8) !important;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06) !important;
    display: block !important;
    overflow: visible !important;
  }

  .subnav-inner {
    width: 100% !important;
    display: block !important;
  }

  .subnav-group {
    display: none !important;
    width: 100% !important;
    flex-direction: row !important;
    justify-content: space-between !important;
    align-items: stretch !important;
    gap: 8px !important;
  }

  .subnav-group.active {
    display: flex !important;
  }

  .sub-item {
    width: auto !important;
    min-width: 0 !important;
    height: auto !important;
    padding: 10px 8px !important;
    border-radius: 16px !important;
    border: 1px solid rgba(148, 163, 184, 0.18) !important;
    background: rgba(255, 255, 255, 0.72) !important;
    font-weight: 700 !important;
    font-size: 13px !important;
    color: rgba(15, 23, 42, 0.78) !important;
    flex: 1 !important;
    margin: 0 !important;
    flex-direction: column !important;
    gap: 4px !important;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04) !important;
  }

  .sub-item:hover {
    transform: translateY(-1px) !important;
    background: rgba(255, 255, 255, 0.9) !important;
    border-color: rgba(148, 163, 184, 0.28) !important;
    box-shadow: 0 6px 14px rgba(15, 23, 42, 0.06) !important;
  }

  .sub-item.active {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(239, 246, 255, 0.88)) !important;
  }

  .sub-icon {
    width: auto !important;
    height: auto !important;
    line-height: 1 !important;
    font-size: 18px !important;
  }

  .sub-text {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
  }

  .sub-label {
    display: block !important;
    max-width: 100% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    font-size: 12px !important;
    line-height: 1.2 !important;
  }

  .sub-desc,
  .sub-item::after {
    display: none !important;
  }

  .subnav.collapsed {
    display: none !important;
  }
}