/* =============================================================================
   MATLAB-Style Floating Image Tool Window (imtool)
   Interactive, Draggable, Resizable, Non-modal Multi-Window System
   ============================================================================= */

.mlweb-imtool-win {
  position: fixed;
  display: flex;
  flex-direction: column;
  min-width: 380px;
  min-height: 280px;
  background: var(--color-surface, #ffffff);
  color: var(--color-text-primary, #1d2433);
  border: 1px solid var(--color-border, #dce2ed);
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25), 0 2px 8px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  transition: box-shadow 0.18s ease, border-color 0.18s ease, transform 0.22s ease;
  z-index: 10000;
  /* Above sidebar (4000) and bottom-nav (4001) */
}

/* Theme support: dark and dark-slate */
html[data-theme="dark"] .mlweb-imtool-win {
  background: var(--color-surface, #161922);
  color: var(--color-text-primary, #edf0f7);
  border-color: var(--color-border, #2d3546);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 2px 10px rgba(0, 0, 0, 0.3);
}

html[data-theme="dark-slate"] .mlweb-imtool-win {
  background: var(--color-surface, #1a1d27);
  color: var(--color-text-primary, #f0f3f8);
  border-color: var(--color-border, #313749);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 2px 10px rgba(0, 0, 0, 0.3);
}

.mlweb-imtool-win.is-focused {
  border-color: var(--color-primary, #b94a16);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--color-primary, #b94a16);
}

/* Maximized (Full screen): sits above EVERYTHING, no dragging or resizing */
.mlweb-imtool-win.is-maximized {
  z-index: 12000 !important;
  inset: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px) !important;
  width: auto !important;
  height: auto !important;
  max-width: none !important;
  max-height: none !important;
  min-width: 0 !important;
  min-height: 0 !important;
  border-radius: 0 !important;
  border: none !important;
  box-shadow: none !important;
}

.mlweb-imtool-win.is-maximized .mlweb-imtool-titlebar {
  cursor: default !important;
}

.mlweb-imtool-win.is-maximized .mlweb-imtool-resizer,
.mlweb-imtool-win.is-maximized .mlweb-imtool-grip {
  display: none !important;
}

/* Minimized (collapsed to titlebar) */
.mlweb-imtool-win.is-minimized {
  position: fixed !important;
  inset: auto auto calc(16px + env(safe-area-inset-bottom, 0px) + var(--mlweb-minimized-offset, 0px)) max(16px, env(safe-area-inset-left, 0px)) !important;
  width: min(280px, calc(100vw - 32px)) !important;
  height: 48px !important;
  min-width: 0 !important;
  min-height: 0 !important;
  max-width: calc(100vw - 32px) !important;
  max-height: 48px !important;
  border-radius: 12px !important;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.32);
  transform: scale(.98);
  transform-origin: bottom left;
  touch-action: auto;
  transition: inset 0.22s ease, width 0.22s ease, height 0.22s ease, transform 0.22s ease, box-shadow 0.18s ease;
}

.mlweb-imtool-win.is-minimized .mlweb-imtool-toolbar,
.mlweb-imtool-win.is-minimized .mlweb-imtool-body,
.mlweb-imtool-win.is-minimized .mlweb-imtool-statusbar,
.mlweb-imtool-win.is-minimized .mlweb-imtool-resizer,
.mlweb-imtool-win.is-minimized .mlweb-imtool-grip,
.mlweb-imtool-win.is-minimized .mlweb-imtool-titlebar-spacer,
.mlweb-imtool-win.is-minimized .mlweb-imtool-win-btn.btn-min {
  display: none !important;
}

/* --- Title Bar --- */
.mlweb-imtool-titlebar {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  gap: 8px;
  padding: 8px 90px;
  background: var(--color-background-secondary, #f4f6fb);
  border-bottom: 1px solid var(--color-border, #dce2ed);
  cursor: move;
  flex-shrink: 0;
  min-height: 42px;
}

html[data-theme="dark"] .mlweb-imtool-titlebar,
html[data-theme="dark-slate"] .mlweb-imtool-titlebar {
  background: var(--color-background-secondary, #1d2330);
  border-bottom-color: var(--color-border, #2d3546);
}

.mlweb-imtool-title-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  overflow: hidden;
  white-space: nowrap;
  pointer-events: none;
  min-width: 0;
}

.mlweb-imtool-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-primary, #b94a16);
}

.mlweb-imtool-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text-primary, #1d2433);
  overflow: hidden;
  text-overflow: ellipsis;
}

html[data-theme="dark"] .mlweb-imtool-title,
html[data-theme="dark-slate"] .mlweb-imtool-title {
  color: var(--color-text-primary, #edf0f7);
}

.mlweb-imtool-win-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  position: absolute;
  inset-inline-start: 14px;
  top: 50%;
  transform: translateY(-50%);
}

.mlweb-imtool-win-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 13px;
  height: 13px;
  padding: 0;
  background: #ff5f57;
  border: 1px solid rgba(0, 0, 0, .12);
  border-radius: 50%;
  color: #69201c;
  cursor: pointer;
  font-size: 8px;
  line-height: 1;
  flex: 0 0 auto;
  transition: filter 0.15s ease, transform 0.15s ease;
}

.mlweb-imtool-win-btn.btn-min {
  background: #febc2e;
  color: #76530a;
}

.mlweb-imtool-win-btn.btn-max {
  background: #28c840;
  color: #145a21;
}

.mlweb-imtool-win-btn:hover {
  filter: brightness(.92);
  transform: scale(1.08);
}

.mlweb-imtool-win-btn.btn-close-info {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: transparent;
  border-color: transparent;
  color: var(--color-text-secondary, #667085);
  font-size: 18px;
}

.mlweb-imtool-win-btn.btn-close-info:hover {
  background: rgba(128, 128, 128, 0.18);
  color: var(--color-text-primary, #1d2433);
}

.mlweb-imtool-win.is-minimized .mlweb-imtool-win-controls {
  inset-inline-start: 12px;
  gap: 7px;
}

.mlweb-imtool-win.is-minimized .mlweb-imtool-win-btn.btn-close {
  display: inline-flex !important;
}

.mlweb-imtool-win.is-minimized .mlweb-imtool-win-btn.btn-max {
  display: inline-flex !important;
}

.mlweb-imtool-win.is-minimized .mlweb-imtool-titlebar {
  min-height: 46px;
  height: 46px;
  justify-content: flex-start;
  padding-inline-start: 78px;
  padding-inline-end: 10px;
  cursor: pointer;
  border: 0;
  background: var(--color-surface, #fff);
}

.mlweb-imtool-win.is-minimized .mlweb-imtool-title-wrap {
  justify-content: flex-start;
  width: 100%;
}

.mlweb-imtool-win.is-minimized.is-focused {
  transform: scale(1);
}

.mlweb-imtool-win-btn.btn-close:hover {
  background: #e53935;
  color: #ffffff;
}

/* --- Toolbar --- */
.mlweb-imtool-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px 10px;
  background: var(--color-surface, #ffffff);
  border-bottom: 1px solid var(--color-border, #dce2ed);
  flex-shrink: 0;
}

html[data-theme="dark"] .mlweb-imtool-toolbar,
html[data-theme="dark-slate"] .mlweb-imtool-toolbar {
  background: var(--color-surface, #161922);
  border-bottom-color: var(--color-border, #2d3546);
}

.mlweb-imtool-tb-group {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.mlweb-imtool-tb-sep {
  width: 1px;
  height: 20px;
  background: var(--color-border, #dce2ed);
  margin: 0 4px;
}

.mlweb-imtool-tb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 28px;
  padding: 0 8px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-text-primary, #1d2433);
  background: var(--color-background-secondary, #f4f6fb);
  border: 1px solid var(--color-border, #dce2ed);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

html[data-theme="dark"] .mlweb-imtool-tb-btn,
html[data-theme="dark-slate"] .mlweb-imtool-tb-btn {
  background: var(--color-background-secondary, #1d2330);
  color: var(--color-text-primary, #edf0f7);
  border-color: var(--color-border, #2d3546);
}

.mlweb-imtool-tb-btn:hover {
  background: rgba(128, 128, 128, 0.18);
  border-color: var(--color-text-secondary, #888);
}

/* Robust active state that works across ALL themes */
.mlweb-imtool-tb-btn.is-active,
html[data-theme="dark"] .mlweb-imtool-tb-btn.is-active,
html[data-theme="dark-slate"] .mlweb-imtool-tb-btn.is-active,
html[data-theme="light"] .mlweb-imtool-tb-btn.is-active {
  background: var(--color-primary, #b94a16) !important;
  border-color: var(--color-primary, #b94a16) !important;
  color: #ffffff !important;
  box-shadow: 0 0 0 1px var(--color-primary, #b94a16);
}

.mlweb-imtool-tb-btn svg {
  width: 14px;
  height: 14px;
}

.mlweb-imtool-zoom-display {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  height: 26px;
  padding: 0 6px;
  font-size: 11.5px;
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--color-text-secondary, #667085);
  background: rgba(128, 128, 128, 0.1);
  border-radius: 5px;
}

.mlweb-imtool-tb-hint {
  margin-inline-start: auto;
  font-size: 11.5px;
  color: var(--color-text-secondary, #667085);
  white-space: nowrap;
}

/* --- Body & Stage --- */
.mlweb-imtool-body {
  position: relative;
  flex: 1;
  min-height: 150px;
  overflow: hidden;
  background: #11141c;
}

.mlweb-imtool-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  cursor: grab;
  background-color: #11141c;
  background-image:
    linear-gradient(45deg, #181d28 25%, transparent 25%),
    linear-gradient(-45deg, #181d28 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #181d28 75%),
    linear-gradient(-45deg, transparent 75%, #181d28 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.mlweb-imtool-stage.is-panning {
  cursor: grabbing !important;
}

.mlweb-imtool-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* --- Status Bar --- */
.mlweb-imtool-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 12px;
  background: var(--color-background-secondary, #f4f6fb);
  border-top: 1px solid var(--color-border, #dce2ed);
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--color-text-secondary, #667085);
  flex-shrink: 0;
}

html[data-theme="dark"] .mlweb-imtool-statusbar,
html[data-theme="dark-slate"] .mlweb-imtool-statusbar {
  background: var(--color-background-secondary, #1d2330);
  border-top-color: var(--color-border, #2d3546);
  color: var(--color-text-secondary, #8b949e);
}

.mlweb-imtool-status-pixel {
  font-weight: 500;
  color: var(--color-text-primary, #1d2433);
}

html[data-theme="dark"] .mlweb-imtool-status-pixel,
html[data-theme="dark-slate"] .mlweb-imtool-status-pixel {
  color: var(--color-text-primary, #edf0f7);
}

.mlweb-imtool-status-meta {
  white-space: nowrap;
}

/* --- Info Overlay Card --- */
.mlweb-imtool-info-card {
  position: absolute;
  box-sizing: border-box;
  top: 12px;
  inset-inline-end: 12px;
  width: min(320px, calc(100% - 24px));
  max-height: calc(100% - 24px);
  overflow-y: auto;
  background: color-mix(in srgb, var(--color-surface, #161922) 96%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border, rgba(255, 255, 255, 0.16));
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--color-text-primary, #f0f3f8);
  font-size: 12px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.32);
  z-index: 10;
}

.mlweb-imtool-info-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border, rgba(255, 255, 255, 0.12));
}

.mlweb-imtool-info-head h4 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary, #ffffff);
}

.mlweb-imtool-info-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  line-height: 1.4;
}

.mlweb-imtool-info-label {
  color: var(--color-text-secondary, #8b949e);
}

.mlweb-imtool-info-val {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 600;
  color: var(--color-primary-text, var(--color-primary, #58a6ff));
  text-align: end;
  overflow-wrap: anywhere;
}

/* --- Resize Handles (8 directions + corner grip) --- */
.mlweb-imtool-resizer {
  position: absolute;
  z-index: 5;
}

.mlweb-imtool-resizer.r-e {
  top: 0;
  right: 0;
  width: 6px;
  height: 100%;
  cursor: e-resize;
}

.mlweb-imtool-resizer.r-w {
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  cursor: w-resize;
}

.mlweb-imtool-resizer.r-s {
  bottom: 0;
  left: 0;
  width: 100%;
  height: 6px;
  cursor: s-resize;
}

.mlweb-imtool-resizer.r-n {
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  cursor: n-resize;
}

.mlweb-imtool-resizer.r-se {
  bottom: 0;
  right: 0;
  width: 14px;
  height: 14px;
  cursor: se-resize;
}

.mlweb-imtool-resizer.r-sw {
  bottom: 0;
  left: 0;
  width: 14px;
  height: 14px;
  cursor: sw-resize;
}

.mlweb-imtool-resizer.r-ne {
  top: 0;
  right: 0;
  width: 14px;
  height: 14px;
  cursor: ne-resize;
}

.mlweb-imtool-resizer.r-nw {
  top: 0;
  left: 0;
  width: 14px;
  height: 14px;
  cursor: nw-resize;
}

.mlweb-imtool-grip {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 10px;
  height: 10px;
  background-image: radial-gradient(circle, var(--color-text-secondary, #888) 1px, transparent 1px);
  background-size: 3px 3px;
  pointer-events: none;
  opacity: 0.7;
}

/* --- Inline Cell Output (.fig) Image Sizing Fix --- */
.mlweb .fig {
  display: inline-flex !important;
  flex-direction: column !important;
  width: fit-content !important;
  max-width: 100% !important;
  padding: 8px !important;
  background: var(--color-background-secondary, var(--out, #11151e)) !important;
  border: 1px solid var(--color-border, var(--line, #303848)) !important;
  border-radius: 8px !important;
}

.mlweb .fig .cap {
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 11.5px !important;
  color: var(--color-text-secondary, var(--mute, #a0a9ba)) !important;
  margin-bottom: 6px !important;
  flex-wrap: wrap !important;
  max-width: 100% !important;
}

.mlweb .fig .cap button {
  min-height: 26px !important;
  height: 26px !important;
  padding: 2px 8px !important;
  font-size: 11.5px !important;
  border-radius: 5px !important;
  line-height: 1 !important;
}

.mlweb .fig .scroll {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  width: fit-content !important;
  max-width: 100% !important;
  overflow: auto !important;
}

.mlweb .fig canvas {
  display: block !important;
  max-width: 100% !important;
  height: auto !important;
}

.mlweb .fig .px {
  font: 11px ui-monospace, Menlo, monospace !important;
  color: var(--color-text-secondary, var(--mute, #a0a9ba)) !important;
  min-height: 16px !important;
  margin-top: 5px !important;
}

/* Responsive adjustments */
@media (max-width: 600px) {
  .mlweb-imtool-win {
    box-sizing: border-box;
    min-width: 0;
    min-height: 0;
    max-width: calc(100vw - 40px);
    max-height: calc(100dvh - 40px);
  }

  .mlweb-imtool-body {
    min-height: 0;
  }

  .mlweb-imtool-tb-hint {
    display: none;
  }

  .mlweb-imtool-toolbar {
    min-width: 0;
    max-width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
  }

  .mlweb-imtool-tb-group,
  .mlweb-imtool-tb-sep,
  .mlweb-imtool-tb-btn,
  .mlweb-imtool-zoom-display {
    flex: 0 0 auto;
  }

  .mlweb-imtool-statusbar {
    flex-wrap: wrap;
    gap: 4px 10px;
  }

  .mlweb-imtool-status-pixel {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .mlweb-imtool-status-meta {
    white-space: normal;
    text-align: end;
  }

  .mlweb-imtool-info-card {
    top: 8px;
    inset-inline-end: 8px;
    width: min(320px, calc(100% - 16px));
    max-height: calc(100% - 16px);
  }
}

@media (max-width: 760px) {
  .mlweb #layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 14px 10px calc(24px + env(safe-area-inset-bottom, 0px));
  }

  .mlweb #nb,
  .mlweb #side {
    min-width: 0;
    max-width: 100%;
  }

  .mlweb #side {
    position: static;
  }

  .mlweb .cell {
    min-width: 0;
    max-width: 100%;
  }

  .mlweb .cell .tools {
    max-width: 100%;
    flex-wrap: wrap;
  }

  .mlweb .fig,
  .mlweb .fig .scroll {
    max-width: 100%;
  }

  .mlweb #nb .cell:has(.cell-menu[open]) {
    z-index: 30;
  }

  .mlweb .cell-menu[open] {
    z-index: 31;
  }

  .mlweb .cell-menu-items,
  .mlweb .toolbar-menu-items {
    box-sizing: border-box;
    overflow-x: hidden;
    overscroll-behavior: contain;
    border-color: var(--line);
    z-index: 1000;
  }

  .mlweb .cell-menu-items button,
  .mlweb .toolbar-menu-items button {
    min-width: 0;
    white-space: normal;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 520px) {
  .mlweb #bar {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    width: 100%;
    max-width: 100%;
    padding: calc(6px + env(safe-area-inset-top, 0px)) 8px 6px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
  }

  .mlweb #bar .brand {
    flex: 0 0 auto;
    width: auto;
  }

  .mlweb #bar .actions {
    display: flex;
    flex: 0 0 auto;
    flex-wrap: nowrap;
    width: max-content;
    max-width: none;
    gap: 6px;
  }

  .mlweb #bar .actions> :is(button, select, .toolbar-menu) {
    flex: 0 0 auto;
    max-width: 58vw;
  }

  .mlweb #bar select#lessons {
    width: auto;
    min-width: 110px;
    max-width: 42vw;
  }

  .mlweb #bar .toolbar-menu-items {
    position: fixed;
    inset-block-start: calc(env(safe-area-inset-top, 0px) + 52px);
    inset-inline-end: 8px;
    max-height: calc(100dvh - 64px - env(safe-area-inset-top, 0px));
    overflow-y: auto;
  }

  .mlweb #layout {
    gap: 12px;
    padding-inline: 8px;
  }

  .mlweb #nb {
    padding-inline: 0;
  }

  .mlweb #side {
    grid-template-columns: minmax(0, 1fr);
  }

  .mlweb .cell .tools {
    gap: 5px;
    padding-inline: 6px;
  }

  .mlweb .cell .tools button {
    min-width: 0;
    padding-inline: 7px;
  }

  .mlweb .lessonnav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .mlweb-imtool-win.is-minimized {
    inset-block-end: calc(var(--bottom-nav-height, 54px) + 12px + env(safe-area-inset-bottom, 0px) + var(--mlweb-minimized-offset, 0px)) !important;
    inset-inline-start: max(8px, env(safe-area-inset-left, 0px)) !important;
    width: min(280px, calc(100vw - 16px)) !important;
    max-width: calc(100vw - 16px) !important;
  }
}

@media (prefers-reduced-motion: reduce) {

  .mlweb-imtool-win,
  .mlweb-imtool-win.is-minimized {
    transition: none;
    transform: none;
  }
}

/* =============================================================================
   Polish: window-control glyphs, button sizing that beats the runtime's global
   `.mlweb button` rules, touch gestures and phone layout
   ============================================================================= */
.mlweb-imtool-stage {
  touch-action: none;
}

.mlweb-imtool-win button.mlweb-imtool-win-btn {
  min-height: 0;
  min-width: 0;
  padding: 0;
  border-radius: 50%;
}

.mlweb-imtool-win button.mlweb-imtool-win-btn.btn-close-info {
  width: 26px;
  height: 26px;
  border-radius: 6px;
}

.mlweb-imtool-win-btn svg {
  width: 9px;
  height: 9px;
  opacity: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
  transition: opacity .12s ease;
}

.mlweb-imtool-win-controls:hover .mlweb-imtool-win-btn svg {
  opacity: 1;
}

.mlweb-imtool-win-btn .ic-restore {
  display: none;
}

.mlweb-imtool-win.is-maximized .mlweb-imtool-win-btn .ic-max {
  display: none;
}

.mlweb-imtool-win.is-maximized .mlweb-imtool-win-btn .ic-restore {
  display: block;
  opacity: 1;
}

.mlweb-imtool-win.is-minimized .mlweb-imtool-win-btn .ic-max {
  display: none;
}

.mlweb-imtool-win.is-minimized .mlweb-imtool-win-btn .ic-restore {
  display: block;
  opacity: 1;
}

.mlweb-imtool-win button.mlweb-imtool-tb-btn {
  min-height: 0;
  height: 28px;
  padding: 0 9px;
  border-radius: 6px;
  line-height: 1;
  white-space: nowrap;
}

.mlweb-imtool-tb-btn svg {
  flex: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (hover: none),
(max-width: 600px) {
  .mlweb-imtool-win-controls {
    gap: 10px;
    inset-inline-start: 12px;
  }

  .mlweb-imtool-win button.mlweb-imtool-win-btn:not(.btn-close-info) {
    width: 22px;
    height: 22px;
  }

  .mlweb-imtool-win-btn svg {
    width: 12px;
    height: 12px;
    opacity: 1;
  }
}

@media (max-width: 600px) {

  /* Controls sit at the start; the title starts right after them and keeps all the remaining width. */
  .mlweb-imtool-titlebar {
    justify-content: flex-start;
    padding: 8px 12px;
    padding-inline-start: 104px;
    min-height: 44px;
  }

  .mlweb-imtool-title-wrap {
    justify-content: flex-start;
    flex: 1;
  }

  .mlweb-imtool-win.is-minimized .mlweb-imtool-titlebar {
    padding-inline-start: 78px;
  }

  .mlweb-imtool-toolbar {
    gap: 6px;
    padding: 6px 8px;
  }

  .mlweb-imtool-win button.mlweb-imtool-tb-btn {
    height: 36px;
    min-width: 36px;
    padding: 0 11px;
    font-size: 13px;
  }

  .mlweb-imtool-tb-btn svg {
    width: 17px;
    height: 17px;
  }

  .mlweb-imtool-zoom-display {
    height: 32px;
  }
}

/* A cell with an open menu rises above the sticky toolbar at every width (it was only done on phones). */
.mlweb #nb .cell:has(.cell-menu[open]) {
  z-index: 30;
}

.mlweb .cell-menu[open] {
  z-index: 31;
}

/* =============================================================================
   Window-size responsiveness (container queries on the WINDOW width)
   ============================================================================= */
.mlweb-imtool-win {
  container-type: inline-size;
  container-name: imtool;
  min-width: min(300px, calc(100vw - 16px));
}

.mlweb-imtool-win .mlweb-imtool-toolbar {
  flex-wrap: nowrap;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.mlweb-imtool-win .mlweb-imtool-toolbar::-webkit-scrollbar {
  display: none;
}

.mlweb-imtool-win .mlweb-imtool-tb-group,
.mlweb-imtool-win .mlweb-imtool-tb-sep,
.mlweb-imtool-win .mlweb-imtool-tb-btn,
.mlweb-imtool-win .mlweb-imtool-zoom-display,
.mlweb-imtool-win .mlweb-imtool-tb-hint {
  flex: 0 0 auto;
}

@container imtool (max-width: 640px) {
  .mlweb-imtool-tb-hint {
    display: none;
  }
}

@container imtool (max-width: 560px) {
  .mlweb-imtool-tb-label {
    display: none;
  }

  .mlweb-imtool-win button.mlweb-imtool-tb-btn:has(.mlweb-imtool-tb-label) {
    width: 30px;
    padding: 0;
  }
}

@container imtool (max-width: 440px) {
  .mlweb-imtool-win .mlweb-imtool-toolbar {
    gap: 4px;
    padding: 5px 6px;
  }

  .mlweb-imtool-tb-sep {
    margin: 0 1px;
  }

  .mlweb-imtool-win button.mlweb-imtool-tb-btn {
    padding: 0 7px;
    font-size: 12px;
  }

  .mlweb-imtool-zoom-display {
    min-width: 46px;
    font-size: 11px;
  }
}

@container imtool (max-width: 360px) {
  .mlweb-imtool-tb-sep {
    display: none;
  }

  .mlweb-imtool-title {
    font-size: 12.5px;
  }

  .mlweb-imtool-status-meta {
    display: none;
  }
}

.mlweb-imtool-win button:focus-visible {
  outline: 2px solid var(--color-primary, #b94a16);
  outline-offset: 2px;
}

/* =============================================================================
   Title bar + macOS traffic lights. Fully in-flow (nothing absolutely
   positioned) so nothing can overlap or fall off an edge, in LTR or RTL pages.
   Controls: physical left. Title + icon: physical right.
   ============================================================================= */
.mlweb-imtool-win .mlweb-imtool-titlebar,
.mlweb-imtool-win .mlweb-imtool-toolbar {
  direction: ltr;
}

.mlweb-imtool-win .mlweb-imtool-titlebar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  padding: 0 14px !important;
  min-height: 42px;
}

.mlweb-imtool-win .mlweb-imtool-titlebar-spacer {
  display: none !important;
}

.mlweb-imtool-win .mlweb-imtool-win-controls {
  position: static !important;
  transform: none !important;
  inset: auto !important;
  flex: 0 0 auto;
  display: flex !important;
  align-items: center;
  gap: 8px !important;
  order: 0;
}

.mlweb-imtool-win .mlweb-imtool-title-wrap,
.mlweb-imtool-win:not(.is-minimized) .mlweb-imtool-title-wrap {
  order: 1;
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
  justify-content: flex-end;
  margin: 0;
}

.mlweb-imtool-win.is-minimized .mlweb-imtool-titlebar {
  height: 46px;
  min-height: 46px;
  padding: 0 12px !important;
}

.mlweb-imtool-win.is-minimized .mlweb-imtool-title-wrap {
  justify-content: flex-start;
}

.mlweb-imtool-win .mlweb-imtool-win-controls>button.mlweb-imtool-win-btn {
  box-sizing: border-box !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  flex: 0 0 12px !important;
  width: 12px !important;
  height: 12px !important;
  min-width: 0 !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border-radius: 50% !important;
  border: .5px solid rgba(0, 0, 0, .3) !important;
  color: rgba(0, 0, 0, .6) !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
  cursor: pointer;
}

.mlweb-imtool-win .mlweb-imtool-win-controls>.btn-close {
  background: #ff5f57 !important;
}

.mlweb-imtool-win .mlweb-imtool-win-controls>.btn-min {
  background: #febc2e !important;
}

.mlweb-imtool-win .mlweb-imtool-win-controls>.btn-max {
  background: #28c840 !important;
}

.mlweb-imtool-win .mlweb-imtool-win-controls>button:hover {
  filter: brightness(1.08);
}

.mlweb-imtool-win .mlweb-imtool-win-controls>button:active {
  filter: brightness(.85);
}

.mlweb-imtool-win .mlweb-imtool-win-controls>button svg {
  width: 8px !important;
  height: 8px !important;
  opacity: 0;
  stroke-width: 1.8;
}

.mlweb-imtool-win .mlweb-imtool-win-controls:hover>button svg,
.mlweb-imtool-win .mlweb-imtool-win-controls:focus-within>button svg {
  opacity: 1;
}

@media (hover: none) {
  .mlweb-imtool-win .mlweb-imtool-win-controls {
    gap: 10px !important;
  }

  .mlweb-imtool-win .mlweb-imtool-win-controls>button.mlweb-imtool-win-btn {
    flex-basis: 16px !important;
    width: 16px !important;
    height: 16px !important;
  }

  .mlweb-imtool-win .mlweb-imtool-win-controls>button svg {
    opacity: 1;
    width: 10px !important;
    height: 10px !important;
  }
}

/* =============================================================================
   Overlay canvas, popovers (View / Export / Help), toast
   ============================================================================= */
.mlweb-imtool-win {
  outline: none;
}

.mlweb-imtool-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.mlweb-imtool-pop {
  position: absolute;
  z-index: 12;
  box-sizing: border-box;
  min-width: 190px;
  max-width: calc(100% - 16px);
  max-height: calc(100% - 16px);
  overflow: auto;
  padding: 5px;
  background: color-mix(in srgb, var(--color-surface, #161922) 97%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--color-text-primary, #f0f3f8);
  border: 1px solid var(--color-border, rgba(255, 255, 255, 0.16));
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.38);
  font-size: 12.5px;
  cursor: default;
}

.mlweb-imtool-pop[hidden] {
  display: none;
}

.mlweb-imtool-win button.mlweb-imtool-pop-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 0;
  height: 30px;
  padding: 0 9px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: start;
  white-space: nowrap;
  cursor: pointer;
}

.mlweb-imtool-win button.mlweb-imtool-pop-item:hover {
  background: rgba(128, 128, 128, 0.2);
}

.mlweb-imtool-pop-item .lbl {
  flex: 1;
}

.mlweb-imtool-pop-item .chk {
  width: 14px;
  height: 14px;
  flex: none;
  border: 1.5px solid var(--color-text-secondary, #8b949e);
  border-radius: 4px;
  box-sizing: border-box;
}

.mlweb-imtool-pop-item.is-on .chk {
  background: var(--color-primary, #b94a16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.4 2.4 4.6-5' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat;
  border-color: var(--color-primary, #b94a16);
}

.mlweb-imtool-pop kbd {
  font: 600 10.5px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--color-text-secondary, #8b949e);
  background: rgba(128, 128, 128, 0.16);
  border: 1px solid rgba(128, 128, 128, 0.28);
  white-space: nowrap;
}

.mlweb-imtool-pop.pop-help {
  width: 340px;
  padding: 10px 12px;
}

.mlweb-imtool-pop-title {
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border, rgba(255, 255, 255, 0.12));
}

.mlweb-imtool-keys {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  align-items: center;
  line-height: 1.35;
}

.mlweb-imtool-keys kbd {
  justify-self: start;
}

.mlweb-imtool-keys span {
  color: var(--color-text-secondary, #a0a9ba);
}

.mlweb-imtool-toast {
  position: absolute;
  z-index: 13;
  left: 50%;
  bottom: 14px;
  transform: translate(-50%, 8px);
  max-width: calc(100% - 24px);
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(20, 24, 33, 0.94);
  color: #f0f3f8;
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}

.mlweb-imtool-toast.is-show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.mlweb-imtool-win.is-minimized .mlweb-imtool-pop,
.mlweb-imtool-win.is-minimized .mlweb-imtool-toast {
  display: none;
}

@container imtool (max-width: 400px) {
  .mlweb-imtool-pop.pop-help {
    width: calc(100% - 16px);
  }

  .mlweb-imtool-keys {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .mlweb-imtool-keys span {
    margin-bottom: 5px;
  }
}

/* =============================================================================
   Aero Snap preview
   ============================================================================= */
.mlweb-imtool-snap-preview {
  position: fixed;
  box-sizing: border-box;
  pointer-events: none;
  opacity: 0;
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-primary, #4c8dff) 18%, transparent);
  border: 2px solid color-mix(in srgb, var(--color-primary, #4c8dff) 75%, white);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18), 0 8px 32px rgba(0, 0, 0, 0.35);
  transition: left .16s ease, top .16s ease, width .16s ease, height .16s ease, opacity .16s ease;
}

.mlweb-imtool-snap-preview.is-visible {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .mlweb-imtool-snap-preview {
    transition: opacity .01s;
  }
}

/* Exact sizing: the window's border is included in its width/height (snaps fit the screen to the pixel) */
.mlweb-imtool-win {
  box-sizing: border-box;
}