/* Dataset File Explorer — page-gated to per-dataset doc pages via
 * layout.html. The widget markup is emitted by the `dataset-explorer`
 * Sphinx directive (see `_extensions/dataset_explorer.py`); this stylesheet
 * + `_static/js/dataset-explorer.js` hydrate it. */

.eegdash-explorer {
  --ee-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --ee-text: var(--pst-color-text-base, #0f172a);
  --ee-muted: var(--pst-color-text-muted, #64748b);
  --ee-border: var(--pst-color-border, #e2e8f0);
  --ee-surface: var(--pst-color-surface, #fafbfc);
  --ee-surface-2: var(--pst-color-on-surface, #f1f5f9);
  --ee-accent: var(--pst-color-primary, #0f766e);
  --ee-data: #0369a1;
  --ee-guide: rgba(100, 116, 139, 0.18);
  --ee-row-h: 26px;
  --ee-indent: 18px;
  font-family: var(--pst-font-family-base, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  max-width: 100%;
  padding: 18px 0 4px;
  color: var(--ee-text);
}

/* Header bar: search + stats */
.eegdash-explorer .ee-bar {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 10px 14px;
  background: var(--ee-surface);
  border: 1px solid var(--ee-border);
  border-radius: 6px 6px 0 0;
  border-bottom: none;
}
.eegdash-explorer .ee-search {
  width: 100%;
  padding: 7px 10px 7px 30px;
  border: 1px solid var(--ee-border);
  border-radius: 4px;
  background: var(--pst-color-on-background, #fff)
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round'><circle cx='11' cy='11' r='7'/><path d='M21 21l-4.3-4.3'/></svg>")
    10px center / 13px no-repeat;
  font: inherit;
  color: inherit;
  box-sizing: border-box;
}
.eegdash-explorer .ee-search:focus {
  outline: 2px solid var(--ee-accent);
  outline-offset: -1px;
}
.eegdash-explorer .ee-search:disabled { opacity: 0.55; }

.eegdash-explorer .ee-stats {
  display: flex;
  gap: 22px;
  font-family: var(--ee-mono);
}
.eegdash-explorer .ee-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  line-height: 1;
}
.eegdash-explorer .ee-stat-label {
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ee-muted);
}
.eegdash-explorer .ee-stat-val {
  font-size: 15px;
  font-weight: 600;
  color: var(--ee-text);
  letter-spacing: -0.01em;
}
.eegdash-explorer .ee-stat-val .ee-badge { margin-right: 4px; vertical-align: 1px; }

/* Tree viewport */
.eegdash-explorer .ee-tree {
  font-family: var(--ee-mono);
  font-size: 12.5px;
  line-height: var(--ee-row-h);
  background: var(--pst-color-on-background, #fff);
  border: 1px solid var(--ee-border);
  border-radius: 0 0 6px 6px;
  max-height: 560px;
  overflow: auto;
  padding: 6px 0;
}
.eegdash-explorer .ee-status {
  padding: 24px 14px;
  text-align: center;
  font-family: var(--ee-mono);
  font-size: 12px;
  color: var(--ee-muted);
}
.eegdash-explorer .ee-error { color: #b45309; }

/* Tree rows */
.eegdash-explorer .ee-row {
  display: flex;
  align-items: center;
  gap: 8px;
  height: var(--ee-row-h);
  padding-right: 14px;
  padding-left: calc(10px + var(--ee-depth, 0) * var(--ee-indent));
  cursor: default;
  user-select: none;
  position: relative;
  white-space: nowrap;
  border-left: 2px solid transparent;
  /* Vertical indent guides — one faint rule per ancestor level. */
  background-image: repeating-linear-gradient(
    to right,
    transparent 0,
    transparent calc(var(--ee-indent) - 1px),
    var(--ee-guide) calc(var(--ee-indent) - 1px),
    var(--ee-guide) var(--ee-indent)
  );
  background-size: calc(max(var(--ee-depth, 0), 0) * var(--ee-indent)) 100%;
  background-position: 10px 0;
  background-repeat: no-repeat;
}
.eegdash-explorer .ee-row:hover { background-color: var(--ee-surface-2); }
.eegdash-explorer .ee-row.ee-folder { cursor: pointer; }
.eegdash-explorer .ee-row.ee-sidecar,
.eegdash-explorer .ee-row.ee-rootfile { color: var(--ee-muted); }
.eegdash-explorer .ee-row.ee-sidecar .ee-name,
.eegdash-explorer .ee-row.ee-rootfile .ee-name { font-style: italic; }
.eegdash-explorer .ee-row.ee-data .ee-name { color: var(--ee-text); }
.eegdash-explorer .ee-row.ee-selected {
  background-color: var(--ee-surface);
  border-left-color: var(--ee-accent);
}

/* Glyphs: chevron for folders, dot markers for files */
.eegdash-explorer .ee-chev {
  flex-shrink: 0;
  width: 11px;
  font-size: 9px;
  color: var(--ee-muted);
  text-align: center;
  transition: transform 0.12s ease;
}
.eegdash-explorer .ee-row.ee-folder.ee-open .ee-chev { transform: rotate(90deg); }
.eegdash-explorer .ee-row:not(.ee-folder) .ee-chev { visibility: hidden; }
.eegdash-explorer .ee-mark {
  flex-shrink: 0;
  width: 10px;
  text-align: center;
  font-size: 10px;
  color: var(--ee-muted);
}
.eegdash-explorer .ee-row.ee-folder .ee-mark { color: var(--ee-data); }
.eegdash-explorer .ee-row.ee-data .ee-mark { color: var(--ee-accent); }

.eegdash-explorer .ee-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* `.ee-meta` (here) is the right-side column inside a row. The
 * dataset-root file kind uses the distinct `.ee-rootfile` row class to
 * avoid a class collision with this column. */
.eegdash-explorer .ee-meta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10.5px;
  color: var(--ee-muted);
  letter-spacing: 0.02em;
}

/* Badges */
.eegdash-explorer .ee-badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 3px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--ee-mono);
  line-height: 1.6;
}
.eegdash-explorer .ee-eeg { background: #dbeafe; color: #1e40af; }
.eegdash-explorer .ee-meg { background: #ede9fe; color: #5b21b6; }
.eegdash-explorer .ee-ieeg { background: #fed7aa; color: #92400e; }
.eegdash-explorer .ee-nirs { background: #dcfce7; color: #166534; }
.eegdash-explorer .ee-emg { background: #fce7f3; color: #831843; }
.eegdash-explorer .ee-tag {
  background: transparent;
  color: var(--ee-muted);
  border: 1px solid var(--ee-border);
  font-weight: 500;
}

/* Selection panel */
.eegdash-explorer .ee-info {
  margin-top: 14px;
  padding: 14px 16px;
  background: var(--ee-surface);
  border: 1px solid var(--ee-border);
  border-left: 3px solid var(--ee-accent);
  border-radius: 4px;
  font-size: 13px;
}
.eegdash-explorer .ee-info-title {
  font-family: var(--ee-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ee-muted);
  margin-bottom: 8px;
}
.eegdash-explorer .ee-info dl {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(120px, max-content) 1fr;
  gap: 4px 16px;
}
.eegdash-explorer .ee-info dt {
  font-weight: 600;
  color: var(--ee-text);
}
.eegdash-explorer .ee-info dd {
  margin: 0;
  font-family: var(--ee-mono);
  font-size: 12px;
  color: var(--ee-muted);
  word-break: break-all;
}