.sidebar-header {
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 20px auto 0 auto;
  width: fit-content;
  min-width: 350px;
}
.sidebar-actions {
  display: flex;
  gap: 10px;
  background: var(--primary);
}
.sidebar {
  width: 100vw;
  background: var(--primary);
  height: auto;
  position: fixed;
  top: calc(2vh + var(--topbar-height));
  bottom: 0;
  transform: none;
  max-height: none;
  transition: transform var(--transition-speed);
  will-change: transform;
  z-index: 10;
  overflow-y: scroll;
  display: block;
  transform: translateX(-100%);
}
.sidebar.open { transform: translateX(0); }

.action-button {
  background: var(--matte);
  border: none;
  color: var(--color);
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0;
}
.note-item {
  padding: 15px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--matte);
  margin: 10px auto;
  border-radius: 50px;
  width: fit-content;
  height: fit-content;
  min-width: 350px;
}
.note-item:hover {
  background-color: color-mix(in srgb, var(--c-black) 05%, transparent);
}
.note-item.selected {
  background-color: color-mix(in srgb, var(--c-black) 10%, transparent);
  margin-left: auto;
}
@media (max-width: 600px) {
  .sidebar { overflow-x: hidden; }
  .note-list { flex-wrap: wrap; }
  .note-item {
    width: 100%;
    min-width: 200px;
    padding: 18px 24px;
  }
  .note-list {
    display: flex;
    overflow-x: auto;
    padding: 10px;
  }
  .action-button {
    width: 40px;
    height: 40px;
  }
}

#sidebar1 { display: flex; flex-direction: column; }
#sidebar1 .dex-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: 12px 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--c-white) 06%, transparent);
}
#sidebar1 .dex-crumbs {
  display: flex; align-items: center; gap: 3px;
  flex: 1; min-width: 0; overflow-x: auto;
  white-space: nowrap; scrollbar-width: none;
}
#sidebar1 .dex-crumbs::-webkit-scrollbar { display: none; }
#sidebar1 .dex-crumb {
  font-size: 14px;
  color: var(--c-text-faint);
  cursor: pointer; padding: 2px 5px; border-radius: 6px;
}
#sidebar1 .dex-crumb:last-child { color: var(--c-white); }
#sidebar1 .dex-crumb:hover {
  color: var(--c-white);
  background: color-mix(in srgb, var(--c-white) 05%, transparent);
}
#sidebar1 .dex-sep {
  color: var(--c-text-faint);
  font-size: 12px;
}
#sidebar1 .dex-tools { display: flex; gap: 6px; flex-shrink: 0; }
#sidebar1 .dex-tool {
  width: 38px; height: 38px;
  padding: var(--btn-padding);
  box-sizing: border-box;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  background: var(--c-panel-2);
  border: 1px solid var(--c-panel-3);
  color: var(--c-text-dim);
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, transform .15s;
}
#sidebar1 .dex-tool:hover {
  background: var(--c-panel-2);
  color: var(--c-white);
}
#sidebar1 .dex-tool.danger {
  color: var(--c-danger);
  border-color: color-mix(in srgb, var(--c-danger) 28%, transparent);
}
#sidebar1 .dex-tool.accent {
  color: var(--c-accent);
  border-color: color-mix(in srgb, var(--c-accent) 30%, transparent);
}
#sidebar1 .dex-tool svg { width: var(--icon-size); height: var(--icon-size); }

.dex-tree { flex: 1; overflow: auto; padding: 8px 6px; }
.dex-item { border-radius: 8px; }
.dex-row {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 10px; border-radius: 8px;
  cursor: pointer; transition: background .15s ease;
}
.dex-row:hover { background: color-mix(in srgb, var(--c-white) 04%, transparent); }
.dex-row.sel   { background: color-mix(in srgb, var(--c-accent) 12%, transparent); }
.dex-row.dex-current { background: color-mix(in srgb, var(--c-blue) 12%, transparent); }
.dex-row.dex-current .dex-ic { color: var(--c-blue); }
.dex-row.dex-pick-active { background: color-mix(in srgb, var(--c-green) 14%, transparent); outline: 1px solid color-mix(in srgb, var(--c-green) 40%, transparent); }
.dex-row.dex-pick-active .dex-ic { color: var(--c-green); }
.dex-chev.onpath { color: var(--c-blue); }

.dex-ic {
  width: var(--icon-size); height: var(--icon-size); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-text-dim);
}
.dex-ic svg { width: 100%; height: 100%; }
/* Folder icon was a hardcoded fill="#d4a84b" (9.5:1 on dark, 1.9:1 on
   light — nearly invisible) regardless of theme. Now fill="currentColor"
   in the SVG, themed here to a color computed for >=10:1 against the
   sidebar's page background in both themes. */
.dex-ic-folder { color: var(--c-folder-icon); }
.dex-name {
  flex: 1; font-size: 13.5px;
  color: var(--c-text-dim);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.dex-name.folder {
  color: var(--c-white);
  font-weight: 500;
}
.dex-badge {
  font-size: 10.5px;
  color: var(--c-text-faint);
  margin-left: 6px; white-space: nowrap;
}
.dex-add {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-text-dim);
  border-radius: 6px; flex-shrink: 0;
}
.dex-add:hover {
  background: color-mix(in srgb, var(--c-white) 07%, transparent);
  color: var(--c-text-dim);
}
.dex-add svg { width: 15px; height: 15px; }

.dex-check {
  width: 19px; height: 19px; border-radius: 5px;
  border: 1.5px solid var(--c-border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--c-black);
}
.dex-check svg { width: 13px; height: 13px; }
.dex-check.on {
  background: var(--c-accent);
  border-color: var(--c-accent);
}

.dex-empty {
  padding: 16px 12px; text-align: center;
  color: var(--c-text-faint);
  font-size: 12.5px;
}
#sidebar1 .dex-subhead {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--c-white) 06%, transparent);
}
#sidebar1 .dex-search {
  flex: 1; min-width: 0;
  background: var(--c-panel-2);
  border: 1px solid var(--c-panel-3);
  color: var(--c-white);
  border-radius: 8px; padding: var(--btn-padding);
  font-family: inherit; font-size: 13px; outline: none;
}
#sidebar1 .dex-search::placeholder { color: var(--c-text-faint); }
#sidebar1 .dex-search:focus { border-color: var(--c-accent); }

#sidebar1 .dex-sort {
  width: 38px; height: 38px;
  flex-shrink: 0;
  padding: var(--btn-padding);
  box-sizing: border-box;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  background: var(--c-panel-2);
  border: 1px solid var(--c-panel-3);
  color: var(--c-text-dim);
  cursor: pointer;
}
#sidebar1 .dex-sort:hover {
  background: var(--c-panel-2);
  color: var(--c-white);
}
#sidebar1 .dex-sort svg { width: var(--icon-size); height: var(--icon-size); }

.dex-sort-menu {
  position: fixed; z-index: 100003;
  background: var(--c-panel);
  border: 1px solid color-mix(in srgb, var(--c-white) 8%, transparent);
  border-radius: 10px; padding: 6px;
  min-width: 210px;
}
.dex-sort-item {
  padding: 9px 12px; border-radius: 7px;
  font-size: 13px;
  color: var(--c-text-dim);
  cursor: pointer; white-space: nowrap;
}
.dex-sort-item:hover { background: color-mix(in srgb, var(--c-white) 06%, transparent); }
.dex-sort-item.on { color: var(--c-blue); }
.dex-sort-sep {
  height: 1px;
  background: color-mix(in srgb, var(--c-white) 08%, transparent);
  margin: 6px 4px;
}
.dex-sort-toggle { display: flex; align-items: center; gap: 9px; }
.dex-sort-toggle .dex-mini-check {
  width: 19px; height: 19px; border-radius: 5px;
  border: 1.5px solid var(--c-border);
  background: transparent;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--c-black);
  flex-shrink: 0;
}
.dex-sort-toggle .dex-mini-check svg { width: 13px; height: 13px; }
.dex-sort-toggle.on .dex-mini-check {
  background: var(--c-accent);
  border-color: var(--c-accent);
}

.dex-chev {
  width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-text-faint);
  transition: transform .2s ease;
  flex-shrink: 0;
}
.dex-chev.open { transform: rotate(90deg); }
.dex-chev svg  { width: 14px; height: 14px; }

.dex-children { position: relative; padding-left: 18px; }
.dex-children::before {
  content: '';
  position: absolute;
  left: 13px; top: 0; bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--c-white) 32%, transparent), color-mix(in srgb, var(--c-white) 05%, transparent));
}
.dex-kind-row { display: flex; gap: 8px; margin-top: 4px; }
.dex-delkey {
  font-size: 24px; letter-spacing: 6px; text-align: center;
  color: var(--c-danger);
  font-weight: 600; margin: 12px 0;
  font-family: 'Source Code Pro', monospace;
}

/* ====== /filemanager screen (R2) ====== */
.filemanager-app-sidebar {
  display: none;
  position: fixed;
  left: 0;
  top: calc(2vh + var(--topbar-height));
  bottom: 0;
  width: 210px;
  flex-direction: column;
  gap: 4px;
  padding: 16px 10px;
  background: var(--c-panel);
  border-right: 1px solid var(--c-border);
  z-index: 11;
  overflow-y: auto;
}
body.mode-filemanager .filemanager-app-sidebar { display: flex; }

.fm-app-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: var(--btn-padding);
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--c-text-dim);
  font-family: inherit;
  font-size: 13.5px;
  text-align: left;
  cursor: pointer;
}
.fm-app-item:hover { background: var(--c-panel-2); color: var(--c-white); }

/* Dock #sidebar1 as the filemanager's main content instead of a slide-in drawer. */
body.mode-filemanager #sidebar1 {
  position: fixed;
  left: 210px;
  right: 0;
  top: calc(2vh + var(--topbar-height));
  bottom: 0;
  width: auto;
  transform: none;
  z-index: 10;
}

body.mode-filemanager #topbar #undoBtn,
body.mode-filemanager #topbar #redoBtn,
body.mode-filemanager #topbar .topbar-button[onclick*="toggleFullscreen"],
body.mode-filemanager #topbar #voldemortToggle,
body.mode-filemanager #topbar #secondary-sidebar-button {
  display: none;
}

body.mode-filemanager.fm-sidebar-collapsed #sidebar1 { display: none; }
body.mode-filemanager.fm-sidebar-collapsed .filemanager-app-sidebar { width: 100%; }

@media (max-width: 640px) {
  .filemanager-app-sidebar { width: 72px; }
  .fm-app-item span { display: none; }
  .fm-app-item { justify-content: center; padding: 12px 0; }
  body.mode-filemanager #sidebar1 { left: 72px; }
}