/* Sidebar hierarchy and interaction states. Loaded after the legacy stylesheet. */
:root {
  --sidebar-bg: #202d32;
  --sidebar-surface: rgba(255, 255, 255, 0.055);
  --sidebar-border: rgba(255, 255, 255, 0.1);
  --sidebar-guide: rgba(255, 255, 255, 0.14);
  --sidebar-text: #f7fafb;
  --sidebar-muted: #b8c4c8;
  --sidebar-accent: #22b8a7;
  --sidebar-accent-soft: rgba(34, 184, 167, 0.15);
  --sidebar-accent-border: rgba(63, 211, 194, 0.62);
  --sidebar-brand: #f5821f;
}

#left {
  background: var(--sidebar-bg);
  padding: 12px 10px 18px;
}

/* Level 1: machine/product category. */
#left > div {
  margin-bottom: 6px;
}

#left .machine_btn {
  min-height: 48px;
  margin: 0;
  padding: 12px 38px 12px 16px !important;
  align-items: stretch;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--sidebar-text);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
  letter-spacing: 0;
  text-align: left;
}

#left .machine_btn:hover {
  background: var(--sidebar-surface);
  border-color: var(--sidebar-border);
  transform: none;
}

#left .machine_btn::after {
  width: 7px;
  height: 7px;
  right: 16px;
  top: 50% !important;
  border: 0;
  border-right: 1.5px solid var(--sidebar-muted);
  border-bottom: 1.5px solid var(--sidebar-muted);
  transform: translateY(-65%) rotate(-45deg);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

#left .machine_btn.mainClick {
  background: rgba(255, 255, 255, 0.075);
  border-color: var(--sidebar-border);
  box-shadow: none;
}

#left .machine_btn.mainClick::before {
  top: 11px;
  bottom: 11px;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--sidebar-brand);
}

#left .machine_btn.mainClick::after,
#left .machine_btn.bg::after {
  border-color: var(--sidebar-text);
  transform: translateY(-35%) rotate(45deg);
}

/* The expanded branch is grouped by a quiet vertical guide. */
#left .type {
  position: relative;
  width: calc(100% - 8px) !important;
  margin: 4px 0 10px 8px !important;
  padding: 3px 0 2px 12px !important;
  border-left: 1px solid var(--sidebar-guide);
}

/* Level 2: operating area. */
#left .machine,
#left .sys {
  display: block;
  min-height: 42px !important;
  margin: 0 !important;
  padding: 11px 32px 10px 26px !important;
  border: 1px solid transparent;
  border-radius: 5px;
  color: #e4ecee;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45 !important;
  -webkit-line-clamp: unset;
}

#left .sys {
  margin-top: 3px !important;
}

#left .machine::before,
#left .sys::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  width: 7px;
  height: 7px;
  border: 1.5px solid #8fa0a5;
  border-radius: 2px;
  background: transparent;
  transform: translateY(-50%);
}

#left .machine::after,
#left .sys::after {
  content: "";
  position: absolute;
  right: 13px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid #8fa0a5;
  border-bottom: 1.5px solid #8fa0a5;
  transform: translateY(-65%) rotate(-45deg);
  transition: transform 0.2s ease;
}

#left .machine:hover,
#left .sys:hover {
  background: rgba(255, 255, 255, 0.055);
  border-color: rgba(255, 255, 255, 0.07);
  transform: none;
}

#left .machine.bg,
#left .sys.bg {
  background: var(--sidebar-accent-soft);
  border-color: rgba(34, 184, 167, 0.22);
  color: #ffffff !important;
  box-shadow: none;
}

#left .machine.bg::before,
#left .sys.bg::before {
  top: 50%;
  bottom: auto;
  left: 10px;
  width: 8px;
  height: 8px;
  border: 1.5px solid #64d8cb;
  border-radius: 2px;
  background: var(--sidebar-accent);
  transform: translateY(-50%);
}

#left .machine.bg::after,
#left .sys.bg::after {
  border-color: #91e4da;
  transform: translateY(-35%) rotate(45deg);
}

#left [class^="machinemenu_"],
#left [class^="sysmenu_"],
#left [class*=" machinemenu_"],
#left [class*=" sysmenu_"] {
  align-items: stretch !important;
  padding: 2px 0 3px 12px !important;
}

/* Level 3: expandable directory parent. */
#left .allMenu {
  position: relative;
}

#left .label-1 {
  min-height: 0;
}

#left .label-1 li {
  display: block;
  min-height: 39px !important;
  padding: 10px 30px 9px 22px !important;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--sidebar-muted);
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.45 !important;
  -webkit-line-clamp: unset;
}

#left .label-1 li::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 50%;
  width: 7px;
  height: 1px;
  background: #819196;
  transform: translateY(-50%);
}

#left .label-1 li::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 5px;
  height: 5px;
  border-right: 1.5px solid #829398;
  border-bottom: 1.5px solid #829398;
  transform: translateY(-65%) rotate(-45deg);
  transition: transform 0.2s ease;
}

#left .label-1 li:hover {
  background: rgba(255, 255, 255, 0.045);
  color: var(--sidebar-text);
  transform: none;
}

#left .label-1 li.mainClick {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.08);
  color: #ffffff !important;
  box-shadow: none;
}

#left .label-1 li.mainClick::before {
  left: 7px;
  top: 50%;
  bottom: auto;
  width: 7px;
  height: 2px;
  border-radius: 1px;
  background: #65d5c8;
  transform: translateY(-50%);
}

#left .label-1 li.mainClick::after {
  border-color: #b5c4c8;
  transform: translateY(-35%) rotate(45deg);
}

/* Level 4: final clickable entry. */
#left .submenu {
  margin: 1px 0 3px 9px;
  padding: 2px 0 2px 10px;
  border-left: 1px solid var(--sidebar-guide);
}

#left .firstMenu {
  min-height: 0;
  margin: 0 !important;
}

#left .label-2 {
  min-height: 0;
}

#left .label-2 li,
#left .label-3 li {
  display: block;
  min-height: 36px !important;
  padding: 9px 10px 8px 21px !important;
  border: 1px solid transparent;
  border-radius: 5px;
  color: #aebbc0;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45 !important;
  -webkit-line-clamp: unset;
}

#left .label-2 li::before,
#left .label-3 li::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #6f8085;
  transform: translateY(-50%);
}

#left .label-2 li:hover,
#left .label-3 li:hover {
  background: rgba(255, 255, 255, 0.045);
  color: #ffffff;
  transform: none;
}

#left .label-2 li.lastClick,
#left .label-3 li.lastClick {
  background: var(--sidebar-accent);
  border-color: var(--sidebar-accent-border);
  color: #ffffff !important;
  font-weight: 600;
  box-shadow: none;
}

#left .label-2 li.lastClick::before,
#left .label-3 li.lastClick::before {
  left: 7px;
  top: 50%;
  bottom: auto;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #ffffff;
  transform: translateY(-50%);
}

/* Support directory follows the same parent/leaf visual language. */
#left #supportDiv {
  margin: 4px 0 8px 8px;
  padding-left: 12px;
  border-left: 1px solid var(--sidebar-guide);
}

#left #supportDiv:empty {
  display: none;
}

#left #supportDiv .support-group {
  display: block;
  min-height: 0 !important;
  height: auto !important;
  line-height: normal !important;
  text-indent: 0 !important;
  overflow: visible;
}

#left #supportDiv .item,
#left #supportDiv .itemChild {
  border: 1px solid transparent;
  border-radius: 5px;
  box-shadow: none;
}

#left #supportDiv .item {
  min-height: 39px !important;
  padding: 10px 12px 9px 22px !important;
  color: var(--sidebar-muted);
  font-size: 12.5px;
  font-weight: 500;
}

#left #supportDiv .item[data-support-id] {
  padding-right: 30px !important;
}

#left #supportDiv .item[data-support-id]::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 50%;
  width: 7px;
  height: 1px;
  background: #819196;
  transform: translateY(-50%);
}

#left #supportDiv .item[data-support-id]::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 5px;
  height: 5px;
  border-right: 1.5px solid #829398;
  border-bottom: 1.5px solid #829398;
  transform: translateY(-65%) rotate(-45deg);
  transition: transform 0.2s ease;
}

#left #supportDiv .item[data-support-id].mainClick {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

#left #supportDiv .item[data-support-id].mainClick::before {
  height: 2px;
  background: #65d5c8;
}

#left #supportDiv .item[data-support-id].mainClick::after {
  border-color: #b5c4c8;
  transform: translateY(-35%) rotate(45deg);
}

#left #supportDiv .support-children {
  display: none;
  margin: 1px 0 2px 9px;
  padding: 2px 0 2px 10px;
  border-left: 1px solid var(--sidebar-guide);
}

#left #supportDiv .itemChild {
  min-height: 36px !important;
  margin: 0;
  padding: 9px 10px 8px 21px !important;
  color: #aebbc0;
  font-size: 12px;
}

#left #supportDiv .itemChild + .itemChild {
  margin-top: 0;
}

#left #supportDiv > .support-group + .support-group,
#left #supportDiv > .support-group + .item,
#left #supportDiv > .item + .support-group,
#left #supportDiv > .item + .item {
  margin-top: 2px !important;
}

#left #supportDiv .item:hover,
#left #supportDiv .itemChild:hover {
  background: rgba(255, 255, 255, 0.045);
  color: #ffffff;
  transform: none;
}

#left #supportDiv .item.bg {
  background: var(--sidebar-accent-soft);
  border-color: rgba(34, 184, 167, 0.22);
}

#left #supportDiv .item[data-support-detail].bg,
#left #supportDiv .itemChild.bg {
  background: var(--sidebar-accent);
  border-color: var(--sidebar-accent-border);
  color: #ffffff !important;
  font-weight: 600;
}

#left #supportDiv .item.bg::before,
#left #supportDiv .itemChild.bg::before {
  display: none;
}

@media screen and (min-width: 1440px) {
  #left {
    width: 320px;
    min-width: 320px;
    max-width: 320px;
    padding-right: 12px;
    padding-left: 12px;
  }
}

@media screen and (max-width: 1156px) {
  #left .type {
    width: calc(100% - 6px) !important;
    margin-left: 6px !important;
    padding-left: 9px !important;
  }

  #left .machine_btn {
    padding: 11px 34px 11px 13px !important;
  }

  #left .machine,
  #left .sys {
    padding-left: 25px !important;
  }

  #left [class^="machinemenu_"],
  #left [class^="sysmenu_"],
  #left [class*=" machinemenu_"],
  #left [class*=" sysmenu_"] {
    padding-left: 8px !important;
  }
}

@media screen and (max-width: 768px) {
  #left {
    padding-right: 8px;
    padding-left: 8px;
  }

  #left .machine_btn {
    min-height: 48px;
    padding: 12px 36px 12px 14px !important;
  }

  #left .machine,
  #left .sys {
    min-height: 44px !important;
    padding-top: 12px !important;
    padding-bottom: 11px !important;
  }

  #left .label-1 li,
  #left .label-2 li,
  #left .label-3 li,
  #left #supportDiv .item,
  #left #supportDiv .itemChild {
    min-height: 44px !important;
    padding-top: 12px !important;
    padding-bottom: 11px !important;
    word-break: normal;
    overflow-wrap: anywhere;
  }

  #left .label-1 li {
    font-size: 13px;
  }

  #left .label-2 li,
  #left .label-3 li,
  #left #supportDiv .itemChild {
    font-size: 12.5px;
  }
}

@media screen and (max-width: 480px) {
  #left {
    padding-right: 6px;
    padding-left: 6px;
  }

  #left .type {
    width: calc(100% - 4px) !important;
    margin-left: 4px !important;
    padding-left: 7px !important;
  }

  #left [class^="machinemenu_"],
  #left [class^="sysmenu_"],
  #left [class*=" machinemenu_"],
  #left [class*=" sysmenu_"] {
    padding-left: 6px !important;
  }

  #left .submenu {
    margin-left: 7px;
    padding-left: 7px;
  }

  #left #supportDiv {
    margin-left: 4px;
    padding-left: 7px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #left *,
  #left *::before,
  #left *::after {
    transition: none !important;
  }
}