/* Arrange apps with direct manipulation; Dashboard remains the fixed first item. */
#app-nav {
  position: relative;
}
#app-nav .sidebar-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  flex: none;
  width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 13px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--muted);
  background: transparent;
  text-align: left;
  font:
    400 13px Inter,
    system-ui,
    sans-serif;
  cursor: pointer;
  user-select: none;
  touch-action: none;
  transition:
    background 0.16s,
    box-shadow 0.16s,
    transform 0.16s;
}
#app-nav .sidebar-item > span:not(.sidebar-folder-icon) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}
#app-nav .sidebar-item:hover {
  background: var(--hover);
  filter: none;
}
#app-nav .sidebar-item.active {
  background: linear-gradient(90deg, var(--selected), var(--hover));
  box-shadow: inset 2px 0 var(--accent);
  border-color: var(--line);
  color: var(--text);
}
#app-nav .sidebar-item.active .nav-icon {
  color: var(--link);
}
#app-nav .sidebar-folder {
  font-weight: 400;
}
.sidebar-folder-icon {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 2px;
  width: 25px;
  height: 25px;
  padding: 3px;
  background: linear-gradient(135deg, var(--selected), var(--hover));
  border: 1px solid var(--line);
  border-radius: 7px;
  flex: 0 0 25px;
  margin-inline: -3px;
  color: var(--link);
}
.sidebar-folder-icon .nav-icon {
  width: 8px;
  height: 8px;
  stroke-width: 2;
}
.rail-collapsed #app-nav .sidebar-item {
  justify-content: center;
}
.rail-collapsed #app-nav .sidebar-item > .sidebar-item-label {
  display: none;
}
.rail-collapsed #app-nav .sidebar-item > .sidebar-folder-icon {
  display: grid;
}
.sidebar-folder-panel {
  position: fixed;
  z-index: 45;
  width: 286px;
  max-width: calc(100vw - 16px);
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(145deg, var(--panel), var(--panel));
  box-shadow: 0 18px 65px #0009;
  backdrop-filter: blur(18px);
  color: var(--text);
  animation: sidebar-folder-open 0.15s ease-out;
}
.sidebar-folder-panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 15px;
}
.sidebar-folder-name,
.sidebar-panel-close {
  border: 0;
  background: transparent;
  color: var(--text);
  font-weight: 400;
  padding: 5px;
  border-radius: 6px;
  font-size: 15px;
  min-width: 0;
}
.sidebar-folder-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-panel-close {
  font-size: 22px;
  width: 28px;
  height: 28px;
  color: var(--muted);
}
.sidebar-folder-name:hover,
.sidebar-panel-close:hover {
  background: var(--hover);
  filter: none;
}
.sidebar-folder-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.sidebar-folder-app {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 96px;
  padding: 12px 7px;
  border-radius: 13px;
  border: 1px solid transparent;
  color: var(--text);
  text-align: center;
  user-select: none;
  touch-action: none;
  font-size: 12px;
}
.sidebar-folder-app .nav-icon {
  width: 27px;
  height: 27px;
  padding: 0;
  color: var(--link);
  flex: none;
}
.sidebar-folder-app > span {
  display: block !important;
  white-space: normal;
  line-height: 1.4;
  font-size: 12px;
}
.sidebar-folder-app:hover {
  background: var(--hover);
}
.sidebar-folder-app.active {
  background: var(--selected);
  border-color: var(--line);
  color: var(--text);
}
.sidebar-folder-hint {
  font-size: 10px;
  text-align: center;
  color: var(--muted);
  margin: 17px 0 2px;
}
.sidebar-context-menu {
  position: fixed;
  z-index: 60;
  min-width: 184px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel);
  box-shadow: 0 12px 40px #0009;
  display: grid;
  gap: 2px;
}
.sidebar-context-menu button {
  display: block;
  border: 0;
  background: transparent;
  color: var(--muted);
  text-align: left;
  font-size: 12px;
  font-weight: 400;
  padding: 10px 12px;
  border-radius: 6px;
}
.sidebar-context-menu button:hover,
.sidebar-context-menu button:focus {
  background: var(--hover);
  color: var(--text);
}
.sidebar-dragging,
.sidebar-dragging * {
  cursor: grabbing !important;
  user-select: none !important;
}
.sidebar-drag-source {
  opacity: 0.28 !important;
}
.sidebar-drag-preview {
  position: fixed;
  z-index: 100;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 210px;
  white-space: nowrap;
  padding: 12px 16px;
  border: 1px solid var(--accent);
  border-radius: 12px;
  background: var(--selected);
  color: var(--text);
  box-shadow: 0 15px 35px #0008;
  transform: rotate(-3deg);
  font-size: 13px;
}
.sidebar-drag-preview .nav-icon {
  width: 21px;
  height: 21px;
}
.sidebar-drag-preview .sidebar-folder-icon .nav-icon {
  width: 8px;
  height: 8px;
}
.sidebar-drag-tip {
  position: fixed;
  z-index: 101;
  pointer-events: none;
  white-space: nowrap;
  font-size: 11px;
  color: var(--text);
  padding: 7px 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 7px;
  box-shadow: 0 5px 20px #0005;
}
.sidebar-drop-before:before,
.sidebar-drop-after:after {
  content: "";
  position: absolute;
  z-index: 5;
  height: 2px;
  left: 4px;
  right: 4px;
  background: var(--link);
  border-radius: 2px;
  box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 50%, transparent);
  pointer-events: none;
}
.sidebar-drop-before:before {
  top: -4px;
}
.sidebar-drop-after:after {
  bottom: -4px;
}
#app-nav .sidebar-drop-group,
.sidebar-folder-panel.sidebar-drop-group {
  background: var(--selected) !important;
  border-color: var(--link) !important;
  box-shadow:
    inset 0 0 0 1px var(--link),
    0 0 20px color-mix(in srgb, var(--accent) 15%, transparent) !important;
  transform: scale(0.97);
}
#app-nav .sidebar-drop-full,
.sidebar-drop-full {
  outline: 1px solid var(--negative) !important;
  background: color-mix(in srgb, var(--negative) 16%, var(--panel)) !important;
}
.sidebar-folder-grid .sidebar-drop-before:before,
.sidebar-folder-grid .sidebar-drop-after:after {
  top: 6px;
  bottom: 6px;
  width: 2px;
  height: auto;
  right: auto;
}
.sidebar-folder-grid .sidebar-drop-before:before {
  left: -4px;
}
.sidebar-folder-grid .sidebar-drop-after:after {
  left: auto;
  right: -4px;
}
.sidebar-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
@keyframes sidebar-folder-open {
  from {
    opacity: 0;
    transform: scale(0.96) translateX(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (max-width: 620px) {
  #app-nav .sidebar-item {
    width: auto;
    min-width: 46px;
    padding: 10px;
    gap: 7px;
  }
  #app-nav .sidebar-drop-before:before,
  #app-nav .sidebar-drop-after:after {
    top: 4px;
    bottom: 4px;
    width: 2px;
    height: auto;
    right: auto;
  }
  #app-nav .sidebar-drop-before:before {
    left: -3px;
  }
  #app-nav .sidebar-drop-after:after {
    left: auto;
    right: -3px;
  }
  .sidebar-drag-tip {
    max-width: calc(100vw - 16px);
    white-space: normal;
  }
}
@media (prefers-reduced-motion: reduce) {
  #app-nav .sidebar-item,
  .sidebar-folder-panel {
    animation: none;
    transition: none;
  }
}

#app-nav .sidebar-item {
  justify-content: flex-start;
}
#app-nav .sidebar-folder {
  height: 46px;
  padding-block: 8px;
}
.rail-collapsed #app-nav .sidebar-item {
  justify-content: center;
}

body:has(> .sidebar[data-neuron-theme="oled"]) :is(#app-nav, .sidebar-folder-panel) .nav-icon { color: #53edff; }
body:has(> .sidebar[data-neuron-theme="oled"]) :is(#app-nav, .sidebar-folder-panel) :is(
  [data-view="chat"], [data-view="photos"], [data-view="bookmarks"], [data-view="camera"]
) > .nav-icon,
body:has(> .sidebar[data-neuron-theme="oled"]) #app-nav .sidebar-folder-icon > .nav-icon:nth-child(4n + 1) { color: #ff55ae; }
body:has(> .sidebar[data-neuron-theme="oled"]) :is(#app-nav, .sidebar-folder-panel) :is(
  [data-view="drive"], [data-view="goals"], [data-view="whiteboard"], [data-view="qr"]
) > .nav-icon,
body:has(> .sidebar[data-neuron-theme="oled"]) #app-nav .sidebar-folder-icon > .nav-icon:nth-child(4n + 2) { color: #a976ff; }
body:has(> .sidebar[data-neuron-theme="oled"]) :is(#app-nav, .sidebar-folder-panel) :is(
  [data-view="fitness"], [data-view="notes"], [data-view="clock"], [data-view="authenticator"]
) > .nav-icon,
body:has(> .sidebar[data-neuron-theme="oled"]) #app-nav .sidebar-folder-icon > .nav-icon:nth-child(4n + 3) { color: #80ffcb; }