{% extends "base.html" %}
{% block title %}Particle explorer · cryoDRGN{% endblock %}
{% from "_macros.html" import nav_page_title_span %}
{% from "_palette_options.html" import continuous_palette_options %}
{% block nav_page_title %}{{ nav_page_title_span("Particle explorer") }}{% endblock %}
{% block head %}
<link rel="stylesheet" href="{{ url_for('static', filename='css/cryo_cc_legend_palette_menu.css') }}"/>
<style>
  .cryo-montage-grid {
    display: grid;
    gap: 4px;
    margin-top: 0.5rem;
  }
  .cryo-montage-grid-wrap {
    position: relative;
  }
  .cryo-montage-grid-wrap .cryo-plot-rendering-overlay {
    border-radius: 4px;
    background: rgba(250, 248, 244, 0.92);
  }
  .cryo-montage-grid-wrap .cryo-plot-rendering-overlay .cryo-plot-rendering-overlay__inner {
    gap: 0.42rem;
    max-width: 96%;
  }
  .cryo-montage-grid-wrap .cryo-plot-rendering-overlay .cryo-plot-rendering-overlay__label {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.2;
  }
  .cryo-montage-grid-wrap .cryo-plot-rendering-overlay .cryo-plot-rendering-overlay__track {
    width: min(9rem, 90%);
    height: 4px;
  }
  .cryo-montage-cell {
    display: flex;
    flex-direction: column;
    border-radius: 3px;
    overflow: hidden;
    box-sizing: border-box;
  }
  .cryo-montage-cell.cryo-montage-cell--light {
    background: var(--paper, #faf8f4);
    padding: 1px;
    gap: 0;
  }
  .cryo-montage-meta {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
    flex-shrink: 0;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
    padding-top: 0;
  }
  .cryo-montage-meta-right {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    gap: 0;
  }
  .cryo-montage-cell--light .cryo-montage-label {
    flex: 0 0 auto;
    font-weight: 700;
    color: var(--nav-bg, #243b53);
    font-family: Georgia, "Times New Roman", serif;
    white-space: nowrap;
    line-height: 1;
  }
  .cryo-montage-cell--light .cryo-montage-covar,
  .cryo-montage-cell--light .cryo-montage-idx {
    font-size: 0.52rem;
    color: var(--muted, #5c6b7a);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-variant-numeric: tabular-nums;
    line-height: 1.15;
    max-width: 100%;
  }
  .cryo-montage-img-wrap {
    position: relative;
    aspect-ratio: 1;
    flex: 1 1 auto;
    margin: 0;
    min-height: 0;
  }
  .cryo-montage-img-wrap img {
    width: 100%;
    height: 100%;
    display: block;
    background: #e8ecf1;
    object-fit: cover;
  }
  .cryo-montage-img-wrap img[src=""] { visibility: hidden; }
  .cryo-dash-montage-inner--disabled {
    opacity: 0.48;
  }
  /* Side card height must not change on first selection: legend note stays in flow; disabled
     state is indicated by fieldset opacity only. */
  fieldset#particle-sel-fieldset:disabled {
    opacity: 0.55;
  }
  #clear-explorer-selection:disabled {
    opacity: 0.45;
    cursor: not-allowed;
  }
  #scatter-controls-card {
    min-width: 0;
  }
  /* Tighter gap above “Selected: …” (half of default fieldset bottom + row top margins). */
  #scatter-controls-card > fieldset:first-of-type {
    margin-bottom: 0.275rem;
  }
  .cryo-dash-page--particle-explorer {
    --cryo-explorer-menu-fade-h: 1.85rem;
  }
  /* Fade sits outside .cryo-explorer-menu-scroll so it stays at the menu bottom while content scrolls. */
  .cryo-dash-page--particle-explorer .cryo-explorer-menu-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-gutter: stable;
  }

  /* Buffer so the menu-bottom fade overlays empty space, not the last content. */
  .cryo-dash-page--particle-explorer aside.cryo-dash-montage .cryo-explorer-menu-scroll {
    padding-bottom: var(--cryo-explorer-menu-fade-h, 1.85rem);
  }
  .cryo-dash-page--particle-explorer .cryo-explorer-menu-fade {
    flex: 0 0 var(--cryo-explorer-menu-fade-h, 1.85rem);
    height: var(--cryo-explorer-menu-fade-h, 1.85rem);
    margin-top: calc(-1 * var(--cryo-explorer-menu-fade-h, 1.85rem));
    pointer-events: none;
    z-index: 6;
    flex-shrink: 0;
  }
  .cryo-dash-page--particle-explorer .cryo-explorer-menu-fade--cream {
    background: linear-gradient(
      to bottom,
      rgba(250, 248, 244, 0),
      rgba(250, 248, 244, 0.78) 36%,
      var(--cream, #faf8f4) 100%
    );
  }
  .cryo-dash-page--particle-explorer .cryo-explorer-menu-fade--paper {
    background: linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0),
      rgba(255, 255, 255, 0.72) 36%,
      var(--paper, #fff) 100%
    );
  }
  .cryo-dash-page--particle-explorer.cryo-dash-page--image-viewer .cryo-dash-row {
    gap: 0.4rem;
  }
  /* Tighter chrome above the scatter (pre–zero-margin layout). */
  .cryo-dash-page--particle-explorer.cryo-dash-page--image-viewer .cryo-dash-viewport--plotly {
    padding-top: 0.28rem;
  }
  /*
   * Scatter square in the centre column; colour histogram / discrete toggles live in the montage column.
   */
  .cryo-dash-page--particle-explorer.cryo-dash-page--image-viewer .cryo-plotly-stack {
    width: min(100cqw, calc(100svh - var(--cryo-dash-below-nav, 9.5rem) - 1.05rem));
    max-height: none;
  }
  .cryo-dash-page--particle-explorer .cryo-particle-explorer-plot-status {
    margin: 0 0 0.12rem !important;
    min-height: 1.15em;
    line-height: 1.25;
  }
  .cryo-explorer-sel-count-row {
    --sel-count-fs: calc(0.96rem * 1.11);
    --sel-count-lh: 1.3;
    --sel-pie-d: 2.688rem;
    --sel-pie-pct-fs: calc(0.576rem * 1.25);
    /* Pie + gap + percentage line — used to size the main "Selected:" line box (footnote is outside this band). */
    --sel-pie-stack-h: calc(var(--sel-pie-d) + 0.2rem + (var(--sel-pie-pct-fs) * 1.15));
    font-size: var(--sel-count-fs);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.12rem;
    margin: 0.21rem 0 0.32rem;
  }
  .cryo-explorer-sel-count-main-row {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    /* Vertically center the label block with the pie + % column (do not use a huge line-height on the <p> — that blows
      up multi-line spacing). */
    align-items: center;
    gap: 0.5rem 0.6rem;
    min-width: 0;
  }
  /* Beat .card p { margin-bottom: 1rem } so the row height matches the label, not the card paragraph gap. */
  .cryo-explorer-sel-count-main-row .cryo-explorer-sel-count-text {
    flex: 1 1 auto;
    margin: 0 !important;
    min-width: 0;
    font-weight: 600;
    font-size: inherit;
    line-height: var(--sel-count-lh);
    color: var(--nav-bg, #243b53);
  }
  /* Must beat base `.card p { font-size: 0.98rem }` (higher specificity). */
  .cryo-explorer-sel-count-row > p.cryo-explorer-sel-count-footnote {
    margin: 0 !important;
    /* Match `#particle-sel-fieldset > p.cryo-dash-legend-note` / montage explanatory copy */
    font-size: 0.8rem;
    font-weight: 400;
    line-height: 1.35;
    color: var(--muted, #5c6b7a);
    width: 100%;
    box-sizing: border-box;
  }
  /* Same as `.cryo-dash-controls .status` / montage `.cryo-dash-legend-note` (0.8rem), not `.card p` (0.98rem). */
  #particle-sel-fieldset > p.cryo-dash-legend-note {
    margin: 0 0 0.4rem !important;
    font-size: 0.8rem;
    line-height: 1.35;
    color: var(--muted, #5c6b7a);
  }
  /* In-flow flex stack (no absolute positioning): avoids zero-height / calc bugs that hid the donut and pinned % to
    the row top. */
  .cryo-explorer-sel-pie-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 0.2rem;
    flex-shrink: 0;
    width: 3.032rem;
    min-height: var(--sel-pie-stack-h);
    box-sizing: border-box;
  }
  .cryo-explorer-sel-pie {
    --sel-frac: 0;
    width: var(--sel-pie-d);
    height: var(--sel-pie-d);
    border-radius: 50%;
    flex-shrink: 0;
    background: conic-gradient(
      from -90deg,
      var(--accent, #c4703a) 0,
      var(--accent, #c4703a) calc(var(--sel-frac) * 100%),
      rgba(36, 59, 83, 0.14) 0
    );
    box-shadow: inset 0 0 0 0.368rem var(--paper, #fff);
    box-sizing: border-box;
  }
  .cryo-explorer-sel-pie.cryo-explorer-sel-pie--multi-region {
    box-shadow: inset 0 0 0 0.368rem var(--paper, #fff);
  }
  /* Beat `.card p { margin-bottom: 1rem }` (base.html) — same specificity trick as sel-count-text. */
  .cryo-explorer-sel-count-main-row .cryo-explorer-sel-pie-pct {
    margin: 0;
    font-size: var(--sel-pie-pct-fs);
    line-height: 1.15;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--nav-bg, #243b53);
    text-align: center;
    white-space: nowrap;
  }
  #particle-sel-fieldset {
    min-width: 0;
    max-width: 100%;
    overflow-x: clip;
  }
  .cryo-explorer-clear-selection {
    margin: 0.28rem 0 0.42rem;
  }
  .cryo-explorer-clear-selection .btn {
    width: 77%;
    display: block;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
    line-height: 1.25;
    padding-top: 0.4rem;
    padding-bottom: 0.4rem;
  }
  .cryo-explorer-save-btns {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0.45rem;
  }
  .cryo-explorer-save-btns .btn {
    width: 100%;
    box-sizing: border-box;
    line-height: 1.25;
    padding-top: 0.45rem;
    padding-bottom: 0.45rem;
    white-space: normal;
    text-align: center;
  }
  .cryo-explorer-save-btns .cryo-explorer-save-btn.cryo-btn-with-save-icon {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: 0.32rem;
    padding-left: 0.42rem;
    padding-right: 0.42rem;
    font-size: 0.84rem;
    line-height: 1.2;
  }
  .cryo-explorer-save-btns .cryo-explorer-save-btn .cryo-btn-save-icon-slot {
    flex: 0 0 auto;
    align-self: center;
  }
  .cryo-explorer-save-btns .cryo-explorer-save-btn .cryo-btn-save-icon-slot {
    width: 0.95rem;
    height: 0.95rem;
  }
  .cryo-explorer-save-btns .cryo-explorer-save-btn__text {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.04rem;
    min-width: 0;
    flex: 1 1 auto;
    max-width: 100%;
    text-align: center;
  }
  .cryo-explorer-save-btns .cryo-explorer-save-btn__line {
    display: block;
    width: 100%;
    line-height: 1.18;
    overflow-wrap: anywhere;
    word-break: break-word;
  }
  .cryo-explorer-save-btns .cryo-explorer-save-btn__line code {
    font-size: 0.92em;
    white-space: normal;
    overflow-wrap: anywhere;
  }
  .cryo-explorer-save-modal .cryo-file-browser-save-row .cryo-btn-with-save-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.22rem;
    max-width: 100%;
    font-size: 0.72rem;
    line-height: 1.15;
    white-space: nowrap;
    padding-left: 0.35rem;
    padding-right: 0.35rem;
  }
  .cryo-explorer-save-modal .cryo-file-browser-save-row .cryo-btn-save-icon-slot {
    width: 0.82rem;
    height: 0.82rem;
  }
  .cryo-explorer-montage-actions {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    margin-top: 0.45rem;
  }
  .cryo-explorer-montage-group {
    border: 1px solid rgba(36, 59, 83, 0.14);
    border-radius: 4px;
    padding: 0.48rem 0.62rem 0.55rem;
    margin: 0;
    min-width: 0;
    background: rgba(255, 255, 255, 0.45);
  }
  .cryo-explorer-montage-group legend {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--nav-bg, #243b53);
    padding: 0 0.3rem;
    margin: 0;
  }
  .cryo-explorer-load-images-toolbar {
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0.35rem 0.45rem;
    min-width: 0;
    width: 100%;
    min-height: 2.95rem;
    padding: 0.15rem 0;
    box-sizing: border-box;
  }
  .cryo-explorer-load-images-toolbar .cryo-explorer-cache-size-label {
    flex: 0 1 auto;
    min-width: 0;
    align-self: stretch;
    display: inline-flex;
    align-items: center;
  }
  .cryo-explorer-load-images-toolbar .cryo-explorer-action-row__btn {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    align-items: stretch;
    align-self: stretch;
  }
  .cryo-explorer-load-images-toolbar .cryo-explorer-action-row__btn .btn {
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
    max-width: none;
    padding: 0.48rem 0.42rem;
    font-size: 0.72rem;
    line-height: 1.2;
    white-space: pre-line;
    text-align: center;
    min-height: 2.65rem;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .cryo-explorer-load-images-toolbar
    .cryo-explorer-action-row__btn
    #btn-expand-cache.btn.cryo-explorer-expand-cache-btn--compact {
    font-size: 0.62rem;
    line-height: 1.15;
  }
  .cryo-explorer-cache-size-label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin: 0;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--nav-bg, #243b53);
    white-space: normal;
    min-height: 2.65rem;
  }
  .cryo-explorer-cache-size-label__text {
    color: var(--muted, #5c6b7a);
    font-weight: 500;
    white-space: pre-line;
    line-height: 1.2;
    max-width: 5rem;
  }
  .cryo-explorer-cache-size-label input[type="number"] {
    width: 4.25rem;
    box-sizing: border-box;
    padding: 0.2rem 0.35rem;
    font-size: 0.78rem;
    border: 1px solid rgba(36, 59, 83, 0.22);
    border-radius: 3px;
    font-variant-numeric: tabular-nums;
  }
  .cryo-explorer-preload-status {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.35;
    color: var(--muted, #5c6b7a);
    min-width: 0;
  }
  .cryo-explorer-action-row {
    display: grid;
    grid-template-columns: max-content minmax(11.5rem, 1fr);
    gap: 0.4rem 0.55rem;
    align-items: center;
  }
  /* Volume buttons share one column sized to the wider label (works when panel is collapsed). */
  .cryo-explorer-volume-actions {
    display: grid;
    /* Button column ~35% of panel width (rest is hint text). */
    grid-template-columns: 0.35fr 0.65fr;
    column-gap: 0.55rem;
    row-gap: 0.4rem;
    align-items: center;
  }
  .cryo-explorer-volume-actions .cryo-explorer-action-row {
    display: contents;
  }
  .cryo-explorer-volume-actions .cryo-explorer-action-row__btn .btn {
    width: 100%;
    max-width: none;
    white-space: nowrap;
  }
  .cryo-explorer-action-row__btn {
    flex-shrink: 0;
  }
  .cryo-explorer-action-row__btn .btn {
    width: auto;
    max-width: min(10.25rem, 100%);
    box-sizing: border-box;
    margin: 0;
    line-height: 1.2;
    padding: 0.4rem 0.55rem;
    white-space: normal;
    text-align: center;
  }
  .cryo-explorer-action-row__btn .btn:disabled {
    opacity: 0.48;
    filter: grayscale(0.85);
    cursor: not-allowed;
    box-shadow: none;
  }
  .cryo-explorer-action-row__hint {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.32;
    color: var(--muted, #5c6b7a);
    min-width: 0;
    hyphens: auto;
    overflow-wrap: break-word;
  }
  .cryo-image-cache-progress {
    display: grid;
    gap: 0.35rem;
    width: min(100%, 18rem);
    margin-top: 0.35rem;
  }
  .cryo-explorer-cache-load-body {
    margin: 0;
    padding: 0;
    border: none;
    min-width: 0;
  }
  #cryo-explorer-image-cache-fieldset {
    position: relative;
  }
  .cryo-explorer-cache-load-progress-wrap {
    position: absolute;
    inset: 0;
    z-index: 2;
    box-sizing: border-box;
    margin: 0;
    padding: 0.48rem 0.62rem;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(255, 255, 255, 0.94);
    border-radius: 4px;
  }
  .cryo-explorer-cache-load-progress-wrap[hidden] {
    display: none !important;
  }
  .cryo-explorer-montage-group--image-cache-loading .cryo-explorer-cache-load-body {
    pointer-events: none;
    opacity: 0.38;
  }
  .cryo-explorer-cache-load-progress-heading {
    margin: 0 0 0.25rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--nav-bg, #243b53);
    line-height: 1.3;
  }
  .cryo-explorer-cache-load-progress-wrap .cryo-image-cache-progress {
    width: 100%;
    max-width: none;
    margin-top: 0;
  }
  .cryo-image-cache-progress[hidden] {
    display: none;
  }
  .cryo-image-cache-progress__track {
    height: 0.42rem;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(36, 59, 83, 0.16);
  }
  .cryo-image-cache-progress__bar {
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: var(--accent, #c4703a);
    transition: width 0.18s ease;
  }
  .cryo-image-cache-progress__label {
    font-size: 0.76rem;
    line-height: 1.2;
    color: var(--muted, #5c6b7a);
    font-variant-numeric: tabular-nums;
  }
  .cryo-dash-page--image-viewer .cryo-explorer-preload-status.cryo-dash-legend-note {
    margin: 0;
  }
  .cryo-explorer-action-row .cryo-explorer-action-row__hint {
    margin: 0;
  }
  /* Montage `.cryo-dash-legend-note` uses margin-top: 0.5rem (base.html); that pushed hints below the volume buttons.
    */
  .cryo-dash-page--particle-explorer .cryo-dash-montage .cryo-explorer-action-row
    .cryo-explorer-action-row__hint.cryo-dash-legend-note {
    margin: 0 !important;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage .cryo-explorer-action-row .cryo-explorer-action-row__btn {
    display: flex;
    align-items: center;
    align-self: center;
  }
  .cryo-explorer-save-inverse-label {
    display: flex;
    align-items: flex-start;
    gap: 0.35rem;
    margin: 0.55rem 0 0;
    font-weight: 500;
    cursor: pointer;
  }
  .cryo-explorer-save-inverse-label input[type="checkbox"] {
    flex-shrink: 0;
    margin: 0.2rem 0 0;
  }
  .cryo-explorer-save-inverse-label span {
    flex: 1 1 auto;
    min-width: 0;
    line-height: 1.35;
  }
  .cryo-explorer-plot-annotation-label {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin: 0;
    font-size: 0.82rem;
    color: var(--muted, #5c6b7a);
    cursor: pointer;
  }
  .cryo-explorer-plot-annotation-label input[type="checkbox"] {
    margin: 0;
  }
  .cryo-image-grid-menu-toggle,
  .cryo-explorer-panel-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.38rem;
    border: 1px solid rgba(36, 59, 83, 0.2);
    border-radius: 0.42rem;
    background: rgba(255, 255, 255, 0.82);
    color: var(--nav-bg, #243b53);
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.15;
    padding: 0.22rem 0.45rem;
    cursor: pointer;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    text-align: left;
  }
  .cryo-explorer-panel-section {
    margin-bottom: 0.45rem;
  }
  .cryo-explorer-panel-section:last-child {
    margin-bottom: 0;
  }
  .cryo-explorer-montage-actions .cryo-explorer-panel-section:not(:last-child) {
    margin-bottom: 0.1rem;
  }
  .cryo-explorer-panel-shell {
    width: 100%;
    box-sizing: border-box;
  }
  .cryo-explorer-panel-shell--inactive {
    opacity: 0.48;
  }
  .cryo-explorer-panel-header {
    width: 100%;
    box-sizing: border-box;
  }
  .cryo-explorer-panel-inactive-note {
    margin: 0.08rem 0 0;
  }
  .cryo-explorer-panel-toolbar {
    width: 100%;
    box-sizing: border-box;
  }
  .cryo-explorer-panel-body[hidden] {
    display: none !important;
  }
  .cryo-explorer-panel-inactive-note[hidden] {
    display: none !important;
  }
  .cryo-explorer-montage-group--panel-body {
    border: 0;
    margin: 0.35rem 0 0;
    padding: 0;
    min-width: 0;
  }
  .cryo-explorer-montage-group__legend--visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  .cryo-image-grid-menu-toggle__chev {
    display: inline-block;
    width: 0.78rem;
    text-align: center;
    transform-origin: 50% 50%;
  }
  .cryo-image-grid-menu-toggle[aria-expanded="true"] .cryo-image-grid-menu-toggle__chev {
    transform: rotate(90deg);
  }
  .cryo-explorer-panel-shell--inactive .cryo-image-grid-menu-toggle[aria-disabled="true"] {
    cursor: not-allowed;
  }
  .cryo-image-grid-menu-body[hidden] {
    display: none !important;
  }
  .cryo-image-grid-toolbar__controls[hidden] {
    display: none !important;
  }
  .cryo-image-grid-toolbar__controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    margin-top: 0.35rem;
    container-type: inline-size;
    container-name: cryo-image-grid-toolbar;
  }
  .cryo-image-grid-size-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin: 0;
    font-size: 0.82rem;
    color: var(--muted, #5c6b7a);
    flex-shrink: 0;
  }
  .cryo-image-grid-size-inline select {
    width: 4.2rem;
    padding: 0.1rem 0.2rem;
    font-size: 0.82rem;
    height: 1.65rem;
    box-sizing: border-box;
    line-height: 1.2;
  }
  .cryo-dash-page--particle-explorer #image-grid-panel-shell {
    container-type: inline-size;
    container-name: cryo-image-grid-menu;
  }
  /* Primary ``.btn`` (same accent as ``#btn-view-images``); 23% of toolbar row beside grid size. */
  .cryo-image-grid-toolbar .cryo-image-grid-resample-btn.btn {
    flex: 0 0 auto;
    width: 23cqw;
    min-width: 0;
    max-width: 23cqw;
    margin-left: 0;
    height: auto;
    min-height: 0;
    max-height: 1.65rem;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
    border: none;
    border-radius: 3px;
    line-height: 1;
    text-align: center;
    cursor: pointer;
  }
  .cryo-image-grid-toolbar .cryo-image-grid-resample-btn.btn:disabled {
    opacity: 0.48;
    filter: grayscale(0.85);
    cursor: not-allowed;
    box-shadow: none;
  }
  .cryo-image-grid-resample-btn__label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 100%;
    min-width: 0;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    overflow: visible;
    pointer-events: none;
  }
  .cryo-image-grid-resample-btn__line {
    display: block;
    width: auto;
    max-width: 100%;
    box-sizing: border-box;
    white-space: nowrap;
    overflow: visible;
    text-align: center;
    line-height: 1;
    font-weight: 600;
  }
  #save-status {
    display: block;
    width: 100%;
    max-width: 100%;
    min-height: 1.2em;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
  }
  .cryo-explorer-save-modal {
    position: fixed;
    inset: 0;
    z-index: 2147482000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-sizing: border-box;
  }
  .cryo-explorer-save-modal[hidden] {
    display: none !important;
  }
  body.cryo-explorer-save-modal-open {
    overflow: hidden;
  }
  .cryo-explorer-save-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(26, 32, 44, 0.45);
    cursor: pointer;
  }
  .cryo-explorer-save-modal__dialog {
    position: relative;
    z-index: 1;
    width: min(96vw, 28rem);
    max-height: min(88vh, 26rem);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #fffdf8;
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(36, 59, 83, 0.22);
    border: 1px solid rgba(36, 59, 83, 0.14);
    box-sizing: border-box;
  }
  .cryo-explorer-save-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.65rem 0.75rem 0.55rem;
    border-bottom: 1px solid rgba(36, 59, 83, 0.1);
    flex-shrink: 0;
  }
  .cryo-explorer-save-modal__title {
    margin: 0;
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--nav-bg, #243b53);
    line-height: 1.25;
  }
  .cryo-explorer-save-modal__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.65rem;
    height: 1.65rem;
    padding: 0;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: rgba(36, 59, 83, 0.72);
    font-size: 1.35rem;
    line-height: 1;
    cursor: pointer;
    flex-shrink: 0;
  }
  .cryo-explorer-save-modal__close:hover {
    background: rgba(36, 59, 83, 0.08);
    color: var(--nav-bg, #243b53);
  }
  .cryo-explorer-save-modal__close:focus-visible {
    outline: 2px solid var(--accent, #c4703a);
    outline-offset: 1px;
  }
  .cryo-explorer-save-modal__browser.cryo-file-browser {
    border: none;
    border-radius: 0;
    background: #fff;
    max-height: none;
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    font-size: 0.72rem;
    width: 100%;
    box-sizing: border-box;
  }
  .cryo-explorer-save-modal .cryo-file-browser-list {
    max-height: min(42vh, 14rem);
  }
  .cryo-volume-status-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    font-size: 0.82rem;
    color: var(--muted, #5c6b7a);
    min-height: 0.35rem;
  }
  .cryo-volume-status-row .cryo-plot-rendering-overlay__track {
    width: min(11rem, 55vw);
    flex: 0 0 auto;
  }
  .cryo-palette-select {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: stretch;
    gap: 0.45rem;
    width: 100%;
    margin-top: 0.28rem;
    padding-top: 0.28rem;
    border-top: 1px solid rgba(36, 59, 83, 0.1);
    font-size: 0.78rem;
    color: var(--nav-bg, #243b53);
  }
  .cryo-palette-select__title {
    display: inline-flex;
    align-items: center;
    gap: 0.28rem;
    line-height: 1.05;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid rgba(36, 59, 83, 0.14);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.6);
    color: var(--nav-bg, #243b53);
    padding: 0.18rem 0.34rem;
    font: inherit;
    font-weight: 600;
  }
  .cryo-palette-select__title:hover {
    background: rgba(36, 59, 83, 0.06);
  }
  .cryo-palette-select__chevron {
    flex: 0 0 auto;
    font-size: 0.7rem;
    transition: transform 0.12s ease;
  }
  .cryo-palette-select__title[aria-expanded="true"] .cryo-palette-select__chevron {
    transform: rotate(90deg);
  }
  .cryo-palette-select__options {
    display: grid;
    grid-auto-flow: column;
    grid-template-rows: repeat(2, auto);
    grid-auto-columns: max-content;
    align-items: stretch;
    column-gap: 0.35rem;
    row-gap: 0.04rem;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.04rem 0 0.22rem;
    scrollbar-width: thin;
  }
  .cryo-palette-select__options--collapsed {
    visibility: hidden;
    pointer-events: none;
  }
  /* HTML chips over scatter for multi-region lasso counts (+ solo / colour wheel). */
  .cryo-scatter-region-chips-overlay {
    position: absolute;
    inset: 0;
    z-index: 5;
    pointer-events: none;
    overflow: visible;
  }
  /* Grid montage letters (A, B, …): HTML glyphs so labels get a black stroke (Plotly text cannot). */
  .cryo-explorer-grid-letter-glyphs-overlay {
    position: absolute;
    inset: 0;
    z-index: 6;
    pointer-events: none;
    overflow: visible;
  }
  .cryo-explorer-grid-letter-glyph {
    position: absolute;
    transform: translate(-50%, -50%);
    color: #ffffff;
    font-weight: 500;
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1;
    white-space: nowrap;
    pointer-events: none;
    paint-order: stroke fill;
    -webkit-text-stroke: 0.9px #000000;
    text-shadow:
      0 0 1px #000000,
      -1px 0 0 #000000,
      1px 0 0 #000000,
      0 -1px 0 #000000,
      0 1px 0 #000000;
  }
  .cryo-explorer-scatter-region-chip {
    pointer-events: auto;
    box-sizing: border-box;
    border: none; /* base .cryo-cc-discrete-cell uses 1px transparent border */
    width: max-content;
    max-width: min(16rem, 92vw);
    flex-shrink: 0;
    padding: 0;
    margin: 0;
    display: inline-flex;
    flex-direction: column;
    align-items: stretch;
  }
  /* Flatter “plastic” treatment than legend chips — shorter vertical silhouette, same glyph sizes. */
  .cryo-dash-page--particle-explorer .cryo-explorer-scatter-region-chip.cryo-cc-discrete-cell--plastic {
    border-radius: 6px;
    box-shadow:
      inset 0 0 0 1px rgba(255, 255, 255, 0.28),
      inset 0 -2px 3px rgba(0, 0, 0, 0.1),
      0 1px 2px rgba(26, 35, 50, 0.12);
  }
  .cryo-explorer-scatter-region-chip__row {
    /* cdrgn: chip row — count label vertically centered with action icons */
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    align-self: flex-start;
    justify-content: flex-start;
    gap: 0.26rem;
    min-width: 0;
    width: max-content;
    max-width: min(16rem, 92vw);
    padding: 0.14rem 0.22rem 0.18rem 0.22rem;
    margin: 0;
    line-height: 0;
  }
  .cryo-explorer-scatter-region-chip .cryo-cc-discrete-switch {
    flex: 0 1 auto;
    min-width: 0;
    line-height: 0;
    align-items: center;
    align-self: center;
  }
  /* The chips render an empty (aria-hidden) label placeholder for spacing.
     Collapse its vertical metrics so chip height is driven by the count text. */
  .cryo-explorer-scatter-region-chip .cryo-cc-discrete-switch-label {
    line-height: 0;
    max-height: 0;
    overflow: hidden;
    font-size: 0.7rem;
  }
  /* Tighten count line box so the chip can be shorter without resizing glyphs. */
  .cryo-explorer-scatter-region-chip .cryo-cc-discrete-switch-count {
    font-size: 0.6rem;
    line-height: 1;
  }
  .cryo-explorer-scatter-region-chip .cryo-cc-discrete-wheel-slot {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 0.68rem;
    height: 0.32rem; /* tighter: reduce top/bottom empty space */
    overflow: visible;
  }
  .cryo-explorer-scatter-region-chip .cryo-cc-discrete-colorwheel-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
    border: none;
    background: transparent;
    cursor: pointer;
  }
  .cryo-explorer-scatter-region-chip .cryo-cc-discrete-colorwheel-btn svg {
    width: 0.56rem;
    height: 0.56rem;
    transform: scale(1.524); /* 27% * 1.20 (extra request) */
    transform-origin: center;
  }
  .cryo-explorer-scatter-region-chip .cryo-cc-discrete-solo-btn {
    width: 0.68rem;
    height: 0.32rem; /* tighter: reduce top/bottom empty space */
    font-size: 0.73152rem; /* 0.6096 * 1.20 */
    overflow: visible;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .cryo-explorer-scatter-region-chip__actions {
    display: inline-flex;
    flex-direction: row;
    flex-shrink: 0;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    margin: 0;
    padding: 0;
    line-height: 0;
  }
  .cryo-explorer-scatter-region-chip__wheel-solo {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    margin: 0;
    padding: 0;
    line-height: 0;
  }
  .cryo-explorer-scatter-region-chip__wheel-solo .cryo-cc-discrete-solo-btn {
    margin-left: 1px;
  }
  /* Save floppy on region chips: 3× the default chip action height (0.32rem → 0.96rem). */
  .cryo-explorer-scatter-region-chip__save {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 0.96rem;
    min-width: 0.96rem;
    height: 0.96rem;
    margin: 0 0 0 1px;
    padding: 0;
    border: none;
    border-radius: 0.2rem;
    background: transparent;
    color: inherit;
    cursor: pointer;
    opacity: 0.82;
    overflow: visible;
  }
  .cryo-explorer-scatter-region-chip__save.cryo-btn-with-save-icon--icon-only {
    padding-left: 0;
    padding-right: 0;
  }
  .cryo-explorer-scatter-region-chip__save .cryo-btn-save-icon-slot {
    width: 100%;
    height: 100%;
  }
  .cryo-explorer-scatter-region-chip__save:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.08);
  }
  .cryo-explorer-scatter-region-chip__save:focus-visible {
    outline: 2px solid var(--accent, #c4703a);
    outline-offset: 1px;
  }
  .cryo-explorer-scatter-region-chip__remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 0.68rem;
    min-width: 0.68rem;
    height: 0.32rem; /* tighter: reduce top/bottom empty space */
    margin: 0 0 0 1px;
    padding: 0;
    border: none;
    border-radius: 0.2rem;
    background: transparent;
    color: inherit;
    font-size: 0; /* hide JS-provided ×; we render it via ::before for centring */
    font-weight: 700;
    cursor: pointer;
    opacity: 0.72;
    overflow: visible;
    position: relative;
  }
  /* Render + centre the × glyph independently of font metrics/line-boxes. */
  .cryo-explorer-scatter-region-chip__remove::before {
    content: "×";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.97536rem; /* 0.8128 * 1.20 */
    font-weight: 700;
    line-height: 1;
    color: inherit;
    pointer-events: none;
  }
  .cryo-explorer-scatter-region-chip__remove:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.08);
  }
  .cryo-explorer-scatter-region-chip__remove:focus-visible {
    outline: 2px solid var(--accent, #c4703a);
    outline-offset: 1px;
  }
  .cryo-box-select-tooltip {
    position: absolute;
    z-index: 8;
    max-width: min(30rem, 82%);
    padding: 0.35rem 0.5rem;
    border-radius: 4px;
    background: rgba(36, 59, 83, 0.94);
    color: #fff;
    font-size: 0.76rem;
    line-height: 1.25;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
    pointer-events: none;
    transform: translate(0.55rem, -0.55rem);
  }
  .cryo-box-select-tooltip[hidden] {
    display: none;
  }
  .cryo-palette-select.scatter-palette-radios--suppressed {
    display: none;
  }
  /* Discrete: collapse is on “Toggle selection”; hide continuous palette UI */
  #color-hist-panel.cryo-explorer-discrete-hides-scatter-palette-radios
  #scatter-palette-radios.cryo-palette-select--options-pane {
    display: none !important;
  }
  /* Range/histogram mode: collapsed “Choose palette” swatches still reserve height with visibility:hidden */
  #color-hist-panel.cryo-explorer-continuous-palette-pane-collapsed
    #scatter-palette-options.cryo-palette-select__options.cryo-palette-select__options--collapsed {
    display: none !important;
  }
  #color-hist-panel.cryo-explorer-continuous-palette-pane-collapsed
  #scatter-palette-radios.cryo-palette-select--options-pane {
    padding-top: 0;
    border-top-width: 0;
    border-top-color: transparent;
  }
  .cryo-palette-option {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 0.28rem;
    padding: 0.18rem 0.35rem;
    border: 1px solid rgba(36, 59, 83, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.55);
    white-space: nowrap;
    cursor: pointer;
    font-weight: 500;
  }
  .cryo-palette-option:hover {
    background: rgba(36, 59, 83, 0.06);
  }
  .cryo-palette-option input[type="radio"] {
    margin: 0;
    flex: 0 0 auto;
  }
  .cryo-palette-select__swatch {
    flex: 0 0 2.8rem;
    height: 0.62rem;
    border-radius: 999px;
    border: 1px solid rgba(36, 59, 83, 0.16);
  }
  .cryo-color-hist-panel {
    margin: 0;
    padding: 0.35rem 0.45rem 0.25rem;
    border: 1px solid rgba(36, 59, 83, 0.13);
    border-radius: 4px;
    background: rgba(250, 248, 244, 0.78);
    box-sizing: border-box;
  }
  .cryo-cc-legend-region-heading-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.42rem;
    flex-wrap: wrap;
    margin: 0 0 0.28rem;
    min-width: 0;
    line-height: 1.15;
    font-size: 0.82rem;
  }
  .cryo-cc-legend-region-heading-row .cryo-color-legend-region-heading {
    margin: 0;
    flex: 1 1 auto;
    min-width: 0;
  }
  .cryo-explorer-scatter-palette-heading-toggle-host {
    flex: 0 0 auto;
    margin-left: auto;
    align-self: center;
  }
  .cryo-explorer-scatter-palette-heading-toggle-host--suppressed {
    display: none !important;
  }
  .cryo-explorer-scatter-palette-heading-toggle-host .cryo-palette-select__title {
    margin: 0;
    font-size: inherit;
    line-height: 1.15;
    white-space: nowrap;
  }
  #color-hist-panel .cryo-cc-legend-region-heading-row {
    overflow: visible;
  }
  #color-hist-panel.cryo-color-hist-panel {
    overflow: visible;
  }
  #color-hist-panel.cryo-color-hist-panel:not([hidden]):has(.cryo-cc-discrete-wrap--show) {
    display: flex;
    flex-direction: column;
    max-height: min(80vh, 80svh);
    min-height: 0;
    overflow: hidden;
    flex-shrink: 1;
  }
  #color-hist-panel.cryo-color-hist-panel:not([hidden]):has(.cryo-cc-discrete-wrap--show)
    #color-discrete-wrap.cryo-cc-discrete-wrap--show {
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
  }
  #color-hist-panel
  #scatter-palette-radios.cryo-explorer-scatter-palette-kit.cryo-palette-select.cryo-palette-select--options-pane {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: relative;
    width: auto;
    max-width: min(22rem, 94vw);
    margin-top: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-top-width: 0;
    border-top-color: transparent;
  }
  .cryo-palette-select.cryo-palette-select--options-pane {
    display: block;
    width: 100%;
    margin-top: 0;
    padding-top: 0.36rem;
    border-top: 1px solid rgba(36, 59, 83, 0.1);
  }
  .cryo-color-legend-region-heading {
    padding: 0;
    font-size: inherit;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--nav-bg, #243b53);
    line-height: inherit;
  }
  .cryo-color-legend-region-heading[hidden] {
    display: none !important;
  }
  #color-legend-region-invert-slot.cryo-cc-region-invert-slot {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
  }
  #color-legend-region-invert-slot .cryo-cc-discrete-cell--invert-heading {
    flex-shrink: 0;
    border-radius: 7px;
  }
  #color-legend-region-invert-slot .cryo-cc-discrete-cell--invert-heading.cryo-cc-discrete-cell--invert-idle {
    background: linear-gradient(152deg, #fff4f4 0%, #f0dede 40%, #e8cfcf 55%, #faf2f2 100%);
    border: 1px solid rgba(120, 44, 44, 0.38);
    box-shadow:
      inset 0 2px 5px rgba(255, 255, 255, 0.75),
      inset 0 -4px 11px rgba(90, 24, 24, 0.11),
      0 1px 0 rgba(255, 255, 255, 0.45);
  }
  #color-legend-region-invert-slot .cryo-cc-discrete-cell--invert-heading.cryo-cc-discrete-cell--invert-action {
    background: linear-gradient(175deg, #ffecec 0%, #eca9a9 44%, #d87373 58%, #f8dede 100%);
    border: 1px solid rgba(94, 18, 18, 0.52);
    box-shadow:
      inset 0 2px 4px rgba(255, 255, 255, 0.55),
      inset 0 -3px 10px rgba(62, 8, 8, 0.28),
      0 4px 14px rgba(62, 8, 8, 0.28),
      0 1px 2px rgba(255, 255, 255, 0.35);
  }
  #color-legend-region-invert-slot .cryo-cc-discrete-cell--invert-heading .cryo-cc-discrete-switch {
    width: auto;
    height: auto;
    min-height: calc(0.765 * 1lh);
    box-sizing: border-box;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
  }
  #color-legend-region-invert-slot
  .cryo-cc-discrete-cell--invert-heading.cryo-cc-discrete-cell--invert-idle
  .cryo-cc-discrete-invert-fitbox
  .cryo-cc-discrete-switch-label {
    color: #6f2828;
  }
  #color-legend-region-invert-slot
  .cryo-cc-discrete-cell--invert-heading.cryo-cc-discrete-cell--invert-action
  .cryo-cc-discrete-invert-fitbox
  .cryo-cc-discrete-switch-label {
    color: #3f0808;
  }
  /*
   * Right column: keep a real column width (base image-viewer sizing); scroll the whole aside when
   * content is tall. Image grid cells size from width only, not viewport height.
   */
  .cryo-dash-page--particle-explorer.cryo-dash-page--image-viewer .cryo-dash-montage {
    container-type: inline-size;
    container-name: cryo-explorer-montage;
    flex: 0 0 auto;
    width: min(28rem, calc(100svh - var(--cryo-dash-below-nav, 9.5rem) - 0.5rem));
    min-width: min(12.75rem, 100%);
    max-width: min(28rem, calc(100svh - var(--cryo-dash-below-nav, 9.5rem) - 0.5rem));
    align-self: flex-start;
    height: auto;
    max-height: calc(100svh - var(--cryo-dash-below-nav, 9.5rem));
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage-scroll {
    display: block;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    overflow: visible;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage-grid-region {
    display: block;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    margin: 0.35rem 0 0;
    overflow: visible;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage-grid-region .cryo-explorer-panel-section {
    margin-bottom: 0;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage-grid-region .cryo-montage-grid-wrap {
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    overflow: visible;
    box-sizing: border-box;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage-grid-region #montage-grid {
    box-sizing: border-box;
    margin-left: 0;
    margin-right: 0;
  }
  /* Meta band height = 19% of square thumbnail width (container query on cell). */
  .cryo-dash-page--particle-explorer .cryo-dash-montage-grid-region .cryo-montage-cell {
    container-type: inline-size;
    container-name: cryo-montage-cell;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage-grid-region .cryo-montage-cell.cryo-montage-cell--light {
    gap: 1px;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage-grid-region .cryo-montage-meta {
    height: 19cqw;
    min-height: 19cqw;
    max-height: 19cqw;
    flex-shrink: 0;
    box-sizing: border-box;
    overflow: hidden;
    align-items: center;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage-grid-region .cryo-montage-meta-right {
    max-height: 100%;
    overflow: hidden;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage-grid-region .cryo-montage-label {
    height: 78.85%;
    max-height: 78.85%;
    display: inline-flex;
    align-items: center;
    align-self: center;
    overflow: hidden;
    flex-shrink: 0;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage-grid-region .cryo-montage-img-wrap {
    flex: 0 0 auto;
    width: 100%;
    aspect-ratio: 1;
    height: auto;
  }
  .cryo-dash-page--particle-explorer .cryo-explorer-panel-body .cryo-color-hist-panel {
    width: 100%;
    max-width: 100%;
    margin: 0;
    flex-shrink: 0;
    box-sizing: border-box;
  }
  /* Full width of the montage column (resample button aligns to the right edge). */
  .cryo-dash-page--particle-explorer
    .cryo-dash-montage-scroll
    > #montage-actions.cryo-explorer-montage-actions {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    margin-top: 0;
    box-sizing: border-box;
  }
  .cryo-dash-page--particle-explorer
    .cryo-dash-montage:not(:has(.cryo-color-hist-panel:not([hidden])))
    .cryo-dash-montage-scroll
    > #montage-actions.cryo-explorer-montage-actions {
    margin-top: 0.45rem;
  }
  .cryo-dash-page--particle-explorer .cryo-dash-montage-volumes-region {
    flex: 0 0 auto;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    margin: 0.35rem 0 0;
  }
  .cryo-color-hist-panel[hidden] {
    display: none !important;
  }
  #color-hist {
    height: 5rem;
    width: 100%;
    user-select: none;
    cursor: crosshair;
  }
  .cryo-color-hist-controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.3rem 0.85rem;
    margin-top: 0.05rem;
    font-size: 0.78rem;
    color: var(--muted, #5c6b7a);
  }
  .cryo-color-hist-controls label {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin: 0;
    cursor: pointer;
    color: var(--nav-bg, #243b53);
    font-weight: 500;
  }
  #color-threshold-status {
    margin-left: auto;
    line-height: 1.35;
    text-align: right;
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }
  /*
   * Do not set display:block on #color-continuous-hist-wrap — it beats the [hidden] attribute
   * (ID wins over attribute-only UA rules), so the violin plot box stayed visible above discrete toggles.
   */
  #color-continuous-hist-wrap[hidden] {
    display: none !important;
  }
  #color-discrete-wrap {
    display: none;
  }
  #color-discrete-switches
  .cryo-cc-discrete-cell--invert
  .cryo-cc-discrete-invert-fitbox
  .cryo-cc-discrete-switch-label {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    overflow-wrap: normal;
    word-break: normal;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    align-self: center;
    max-height: 100%;
    box-sizing: border-box;
    font-weight: 700;
  }
  /* Discrete cell with corner buttons */
  #color-discrete-switches .cryo-cc-discrete-cell {
    box-sizing: border-box;
    min-width: 0;
    padding: 0;
    border-radius: 2px;
  }
  #color-discrete-switches .cryo-cc-discrete-cell--plastic:not(.cryo-cc-discrete-cell--invert) {
    border-radius: 7px;
  }
  .cryo-color-discrete-switch {
    display: inline-flex;
    align-items: flex-start;
    gap: 0.28rem;
    margin: 0;
    padding: 0.2rem 0.36rem;
    border: 1px solid rgba(36, 59, 83, 0.18);
    border-radius: 0.42rem;
    box-sizing: border-box;
    font-size: 0.76rem;
    font-weight: 500;
    color: var(--nav-bg, #243b53);
    cursor: pointer;
    user-select: none;
  }
  #color-discrete-switches .cryo-cc-discrete-switch {
    font-size: 0.72rem;
    font-weight: 500;
    cursor: default;
    user-select: none;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }
  #color-discrete-switches .cryo-cc-discrete-switch-label {
    font-weight: 600;
    font-size: 0.68rem;
    line-height: 1.15;
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: anywhere;
  }
  #color-discrete-switches .cryo-cc-discrete-switch-count {
    font-size: 0.58rem;
    line-height: 1.12;
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: anywhere;
  }
  .cryo-color-discrete-switch-text {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 0;
    line-height: 1.15;
  }
  .cryo-color-discrete-switch-label {
    line-height: 1.15;
  }
  .cryo-color-discrete-switch-count {
    margin-top: 0.06rem;
    font-size: 0.69em;
    font-weight: 500;
    opacity: 0.86;
    line-height: 1.1;
    white-space: nowrap;
  }
  #color-discrete-switches .cryo-cc-discrete-switch-text {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1px;
    min-width: 0;
    line-height: 1.15;
  }
  #color-discrete-switches .cryo-cc-discrete-switch-label {
    line-height: 1.15;
  }
  #color-discrete-switches .cryo-cc-discrete-switch-count {
    margin-top: 1px;
    font-size: 0.69em;
    font-weight: 500;
    opacity: 0.86;
    line-height: 1.1;
    white-space: nowrap;
  }
  .cryo-color-discrete-switch input[type="checkbox"] {
    margin: 0;
    width: 1.05rem;
    height: 1.05rem;
    flex-shrink: 0;
    accent-color: var(--accent, #c4703a);
    cursor: pointer;
  }
  #color-discrete-switches .cryo-cc-discrete-switch input[type="checkbox"] {
    margin: 0 0.35rem 0 0;
    width: 0.62rem;
    height: 0.62rem;
    flex-shrink: 0;
    accent-color: var(--accent, #c4703a);
    cursor: pointer;
  }
  /* Invert button now part of the grid - hide original container */
  .cryo-color-discrete-actions {
    display: none !important;
  }
  /* Selection row: Add | centered cached status | narrow Clear (two-line label). */
  .cryo-explorer-cache-selection-row {
    display: grid;
    grid-template-columns: 31% 1fr 13%;
    align-items: center;
    gap: 0.35rem 0.5rem;
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
    margin-top: 0.45rem;
  }
  .cryo-explorer-cache-selection-row .cryo-explorer-preload-status {
    margin: 0;
    padding: 0 0.2rem;
    font-size: 0.7rem;
    line-height: 1.25;
    text-align: center;
    justify-self: center;
    align-self: center;
    width: 100%;
    min-width: 0;
    min-height: 2.5em;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-wrap: anywhere;
    hyphens: auto;
  }
  .cryo-explorer-cache-selection-row .btn {
    box-sizing: border-box;
    margin: 0;
    line-height: 1.2;
    padding: 0.4rem 0.55rem;
    font-size: 0.72rem;
  }
  .cryo-explorer-cache-selection-row #btn-cache-selection-uncached.cryo-explorer-cache-selection-add-btn {
    width: 100%;
    max-width: 100%;
    justify-self: center;
    text-align: center;
  }
  .cryo-explorer-cache-selection-row .cryo-explorer-cache-clear-btn.btn {
    width: 100%;
    max-width: 100%;
    justify-self: center;
    padding: 0.32rem 0.38rem;
    font-size: 0.648rem;
    line-height: 1.06;
    white-space: normal;
    text-align: center;
  }
  .cryo-explorer-cache-clear-btn__label {
    display: block;
    line-height: 1.06;
  }
  /* Add = accent `.btn`; Clear = softer outline vs navy secondary used elsewhere */
  .cryo-explorer-cache-selection-row .cryo-explorer-cache-clear-btn:not(:disabled) {
    background: rgba(248, 250, 252, 0.95);
    color: var(--nav-bg, #243b53) !important;
    border: 1px solid rgba(36, 59, 83, 0.28);
  }
  .cryo-explorer-cache-selection-row .cryo-explorer-cache-clear-btn:not(:disabled):hover {
    background: rgba(232, 236, 241, 0.98);
    border-color: rgba(36, 59, 83, 0.38);
  }
  .cryo-explorer-cache-selection-row .btn:disabled {
    opacity: 0.48;
    filter: grayscale(0.85);
    cursor: not-allowed;
    box-shadow: none;
  }
  /* While selection images are fetching, read like a disabled text field rather than an action chip. */
  .cryo-explorer-cache-selection-row #btn-cache-selection-uncached.cryo-explorer-cache-selection-btn--busy:disabled {
    display: inline-flex;
    align-items: center;
    width: max-content;
    max-width: 100%;
    opacity: 1;
    filter: none;
    cursor: progress;
    text-align: left;
    justify-content: flex-start;
    font-weight: 500;
    color: var(--muted, #5c6b7a);
    background: #fff;
    border: 1px solid rgba(36, 59, 83, 0.22);
    border-radius: 3px;
    box-shadow: none;
    font-variant-numeric: tabular-nums;
    pointer-events: none;
  }
  .cryo-explorer-lead-list {
    margin: 0.08rem 0 0.12rem 1.05rem;
    padding: 0;
  }
  .cryo-explorer-lead-list li {
    margin: 0;
    line-height: 1.35;
  }
  .cryo-explorer-lead-list li.cryo-explorer-lead-item--active {
    font-weight: 700;
  }
  /*
   * Lock row height to the viewport band so left menu, scatter, and montage share one bottom edge.
   * (Plot column still sizes its square via container queries inside this height.)
   */
  .cryo-dash-page--particle-explorer.cryo-dash-page--image-viewer .cryo-dash-row {
    height: calc(100svh - var(--cryo-dash-below-nav, 9.5rem));
    min-height: calc(100svh - var(--cryo-dash-below-nav, 9.5rem));
    max-height: calc(100svh - var(--cryo-dash-below-nav, 9.5rem));
  }
  /*
   * Left menu column: same viewport band + scroll behaviour as .cryo-dash-montage so tall
   * controls do not stretch the row above the plot / montage columns.
   */
  .cryo-dash-page--particle-explorer.cryo-dash-page--image-viewer .cryo-dash-side {
    align-self: flex-start;
    min-height: 0;
    max-height: calc(100svh - var(--cryo-dash-below-nav, 9.5rem));
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 1rem;
  }
</style>
{% endblock %}
{% block content %}
<!-- === Particle explorer: controls + Plotly scatter + optional montage / volumes === -->
<div class="cryo-dash-page cryo-dash-page--image-viewer cryo-dash-page--particle-explorer">
<div class="cryo-dash-row">
  {% include "_particle_explorer_scatter.html" %}

  {% include "_particle_explorer_montage.html" %}
</div>
<div
  id="sel-file-browser-panel"
  class="cryo-explorer-save-modal"
  hidden
  aria-hidden="true"
  role="dialog"
  aria-modal="true"
  aria-labelledby="sel-fb-modal-title"
>
  <div class="cryo-explorer-save-modal__backdrop" data-sel-fb-close="1" aria-hidden="true"></div>
  <div class="cryo-explorer-save-modal__dialog">
    <div class="cryo-explorer-save-modal__header">
      <h2 id="sel-fb-modal-title" class="cryo-explorer-save-modal__title">Save selection</h2>
      <button
        type="button"
        id="sel-fb-cancel"
        class="cryo-explorer-save-modal__close"
        aria-label="Close save dialog"
      >&times;</button>
    </div>
    <div class="cryo-file-browser cryo-explorer-save-modal__browser">
      <div class="cryo-file-browser-bar">
        <button type="button" id="sel-fb-up" title="Parent directory">&#8593; Up</button>
        <span class="cryo-file-browser-path" id="sel-fb-path"></span>
      </div>
      <ul class="cryo-file-browser-list" id="sel-fb-list"></ul>
      <div class="cryo-file-browser-save-row">
        <input
          id="sel-fb-save-name"
          class="cryo-file-browser-save-input"
          type="text"
          value="indices.pkl"
          spellcheck="false"
          aria-label="Selection filename"
        />
        <button type="button" id="sel-fb-save-btn" class="btn btn-secondary">Save here</button>
      </div>
    </div>
  </div>
</div>
</div>

<script src="{{ url_for('static', filename='js/cryo_cc_legend_primitives.js') }}"></script>
<script src="{{ url_for('static', filename='js/color_covariate_legend.js') }}"></script>
<script>
(function() {
{% include "_particle_explorer_scatterjs.html" %}
{% include "_particle_explorer_montagejs.html" %}
})();
</script>
{% endblock %}