/* Classifier layout — tokens from shared/base.css */

/* .empty-state / .empty-state__inner / .welcome-list live in
   shared/base.css. Classifier keeps the .drag-over modifier locally
   because it's the only tool whose empty state is a drop target. */
.empty-state.drag-over {
    background: var(--primary-light);
    outline: 2px dashed var(--primary);
    outline-offset: -4px;
}

/* Browser Warning */
.browser-warning {
    background-color: rgba(217, 119, 6, 0.08);
    border: 2px solid var(--warning);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin: 1.5rem 0;
    text-align: left;
}

.browser-warning h3 {
    color: var(--warning);
    margin-top: 0;
}

.browser-warning ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

/* Main App */
.main-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: var(--bg);
    position: relative;
}

/* Header — shared/base.css provides .app-header base */
.app-header {
    padding: 0.5rem 1rem;
}

.header-divider {
    color: var(--border);
    margin: 0 0.25rem;
}

/* Main Content */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Folder Tree Pane */
.folder-tree-pane {
    width: 300px;
    min-width: 150px;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border);
    flex-shrink: 0;
    position: relative;
    transition: width 0.2s ease, min-width 0.2s ease;
}

.folder-tree-pane.collapsed {
    width: 40px !important;
    min-width: 40px !important;
    max-width: 40px !important;
    overflow: hidden;
}

.folder-tree-pane.collapsed .pane-header-controls,
.folder-tree-pane.collapsed .classify-filters,
.folder-tree-pane.collapsed .tree-filter,
.folder-tree-pane.collapsed .folder-tree,
.folder-tree-pane.collapsed .pane-header h3 {
    display: none;
}

.folder-tree-pane.collapsed .pane-header {
    padding: 0.5rem;
    justify-content: center;
}

.folder-tree-pane.collapsed .pane-header-title {
    flex-direction: column;
}

.pane-header-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.collapse-tree-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

/* Resize Handle */
.resize-handle {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    cursor: col-resize;
    background-color: transparent;
    z-index: 10;
}

.resize-handle:hover {
    background-color: var(--primary);
}

.pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background-color: var(--bg);
    border-bottom: 1px solid var(--border);
}

.pane-header-left,
.pane-header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pane-header h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.pane-header-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem 0.75rem;
    align-items: center;
    justify-content: flex-end;
}

/* Classify-mode filter row, laid out as a toolbar under the pane header. */
.tree-toolbar {
    display: flex; flex-wrap: wrap; align-items: center;
    gap: 0.2rem 0.7rem; padding: 0.3rem 1rem;
    border-bottom: 1px solid var(--border);
}
.tree-toolbar__label { color: var(--text-muted); font-size: 0.8rem; font-weight: 600; }
.classify-filters .filter-count { color: var(--text-muted); font-size: 0.85em; }

/* Live filter box above a file tree. */
.tree-filter {
    width: 100%; box-sizing: border-box; margin: 0.25rem 0;
    padding: 0.25rem 0.5rem; font: inherit; font-size: 0.85rem;
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg); color: var(--text);
}
.tree-filter:focus { outline: none; border-color: var(--primary); }

.folder-stats,
.file-stats {
    display: flex;
    gap: 1rem;
    font-size: 12px;
    color: var(--text-muted);
}

.folder-tree {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

/* Folder Item */
.folder-item {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    cursor: pointer;
    border-radius: var(--radius);
    user-select: none;
    transition: background-color 0.15s;
}

.folder-item:hover {
    background-color: var(--bg-hover);
}

/* Counts read "direct+total". Completed numbers are blue — var(--primary),
   which is theme-aware (medium blue in light, lighter blue in dark). The
   direct number is always completed (known the moment the folder is read).
   The "+total" subtree count stays muted grey + pulses while still scanning,
   then turns blue once final. Once the row is fully scanned (both numbers
   blue) the folders/files labels turn blue too (.folder-count.done). */
.folder-count .ct-direct,
.folder-count .ct-total {
    color: var(--primary);
}
.folder-count .ct-total.pending {
    color: var(--text-muted, #9aa0a6);
    font-style: italic;
    animation: scan-pulse 1.2s ease-in-out infinite;
}
.folder-count.done .ct-label {
    color: var(--primary);
}
@keyframes scan-pulse {
    0%, 100% { opacity: 0.55; }
    50%      { opacity: 1; }
}

/* Page footer — hosts the live scan status. */
.app-footer {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 0.2rem 0.75rem;
    border-top: 1px solid var(--border, #e2e2e2);
    background: var(--bg-secondary, #f5f5f5);
    font-size: 0.75rem;
    color: var(--text-muted, #8a8a8a);
    min-height: 1.4em;
}
.scan-status {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.scan-status.scanning { color: var(--primary, #2868c8); }

.folder-item.selected {
    background-color: var(--bg-selected);
    font-weight: 500;
}

.folder-item.folder-hover-highlight {
    background-color: rgba(217, 119, 6, 0.12);
    border-left: 3px solid var(--warning);
    transition: background-color 0.2s, border-left 0.2s;
}

.folder-item.has-unsaved {
    border-left: 3px solid var(--warning);
}

.folder-toggle {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-muted);
}

.folder-icon {
    margin-right: 0.5rem;
    color: var(--text-muted);
}

.folder-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.folder-count {
    font-size: 11px;
    color: var(--text-muted);
    margin-left: 0.5rem;
}

.folder-children {
    margin-left: 1.5rem;
}

/* ── Welcome screen (intro + tutorial) ─────────────────────────────────── */
/* Scroll when the viewport is short. The inner card uses auto margins instead
   of the base .empty-state's align-items:center so it centers when it fits but
   collapses to the top when taller than the viewport — otherwise centering
   clips the top of the card and it can't be scrolled into view. */
.empty-state--overlay { overflow-y: auto; }
.empty-state--overlay > .empty-state__inner { margin: auto; }
.welcome { max-width: 900px; padding: 1.5rem 0.5rem 2.5rem; }
.welcome__title { font-size: 2.6rem; line-height: 1.1; margin: 0 0 0.6rem; }
.welcome__lede {
    font-size: 1.2rem; line-height: 1.55; color: var(--text);
    margin: 0 auto 2rem; max-width: 62ch;
}
.welcome__methods {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
    margin: 1.75rem 0 0; text-align: left;
}
@media (max-width: 780px) { .welcome__methods { grid-template-columns: 1fr; } }
.method {
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1rem 1.15rem; background: var(--bg);
}
.method--primary { border-color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.method__title { font-size: 1.1rem; margin: 0 0 0.5rem; }
.method__tag {
    display: inline-block; font-size: 0.68rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.04em; color: var(--primary);
    margin-left: 0.4rem; vertical-align: middle;
}
.method__tag--warn { color: var(--warning); }
.method__what { font-size: 0.95rem; color: var(--text-muted); margin: 0 0 0.7rem; }
.method__steps { margin: 0; padding-left: 1.25rem; font-size: 0.95rem; line-height: 1.6; }
.method__steps li { margin: 0.35rem 0; }
.method__steps code {
    background: var(--bg-secondary); padding: 0.05rem 0.35rem;
    border-radius: 4px; font-size: 0.85em;
}
.welcome__note { font-size: 0.9rem; color: var(--text-muted); margin-top: 1.5rem; }

/* ── Workspaces (welcome manager) ──────────────────────────────────────── */
.workspaces { text-align: left; margin: 1.5rem 0 0.5rem; }
.ws-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.ws-head__actions { display: flex; gap: 0.5rem; }
.ws-head h2 { margin: 0; font-size: 1.4rem; }
.ws-list { display: flex; flex-direction: column; gap: 0.4rem; }
.ws-empty { color: var(--text-muted); font-size: 0.85rem; padding: 0.75rem; border: 1px dashed var(--border); border-radius: var(--radius); }
.ws-row {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.6rem 0.75rem; border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg);
}
.ws-row__main { flex: 1; min-width: 0; }
.ws-row__name { font-weight: 600; }
.ws-row__meta { font-size: 0.78rem; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ws-row__actions { display: flex; gap: 0.3rem; flex-shrink: 0; }
.ws-or { font-size: 0.82rem; color: var(--text-muted); margin: 1rem 0 0.5rem; }

/* ── Workflow mode switch (header) ─────────────────────────────────────── */
.mode-switch {
    display: inline-flex;
    margin-left: 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.mode-btn {
    border: none;
    background: var(--bg);
    color: var(--text-muted);
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
    cursor: pointer;
}
.mode-btn + .mode-btn { border-left: 1px solid var(--border); }
.mode-btn.active {
    background: var(--primary);
    color: var(--bg);
    font-weight: 600;
}

/* ── Target pane (Classify & Copy) ─────────────────────────────────────── */
.target-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.target-pane[hidden], .spreadsheet-pane[hidden] { display: none; }

.target-tabs { display: flex; gap: 0.25rem; }
.target-tab {
    border: 1px solid var(--border);
    border-bottom: none;
    background: var(--bg-secondary);
    color: var(--text-muted);
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
    border-radius: var(--radius) var(--radius) 0 0;
    cursor: pointer;
}
.target-tab.active {
    background: var(--bg);
    color: var(--primary);
    font-weight: 600;
}

.target-body { flex: 1; overflow: hidden; }
.target-panel { height: 100%; display: flex; flex-direction: column; }
.target-panel[hidden] { display: none; }
.target-panel__toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.target-hint { font-size: 0.75rem; color: var(--text-muted); }

.target-tree { flex: 1; overflow: auto; padding: 0.5rem 0.75rem; }
.target-empty { color: var(--text-muted); font-size: 0.85rem; padding: 1rem 0.25rem; }

/* tree nodes */
.tnode { margin: 0.1rem 0; }
.tnode__children { margin-left: 1.25rem; border-left: 1px dashed var(--border); padding-left: 0.5rem; }
.tnode__row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.2rem 0.3rem;
    border-radius: var(--radius);
}
.tnode__row:hover { background: var(--bg-hover); }
.tnode__toggle {
    border: none; background: none; cursor: pointer;
    color: var(--text-muted); width: 1.1em; font-size: 0.8rem; padding: 0;
}
.tnode__icon { font-size: 0.85rem; }
.tnode__name { flex: 0 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tnode--leaf > .tnode__row > .tnode__name { color: var(--primary); font-weight: 600; }
.tnode--party > .tnode__row > .tnode__name { font-weight: 700; }
.tnode--bin > .tnode__row > .tnode__name { color: var(--primary); }
.tnode__badge {
    background: var(--primary); color: var(--bg);
    border-radius: 999px; padding: 0 0.4rem; font-size: 0.7rem; font-weight: 600;
}
/* Node CRUD controls sit to the right of the level name, revealed on hover. */
.tnode__actions { display: inline-flex; gap: 0.1rem; margin-left: 0.3rem; flex: 0 0 auto; opacity: 0; transition: opacity 0.12s; }
.tnode__row:hover .tnode__actions, .tslot__row:hover .tnode__actions { opacity: 1; }
.tnode__act {
    border: 1px solid var(--border); background: var(--bg);
    border-radius: var(--radius); cursor: pointer;
    font-size: 0.72rem; padding: 0.05rem 0.35rem; color: var(--text);
}
.tnode__act:hover { background: var(--bg-hover); }

/* placed files under a node */
.tnode__files { margin: 0.1rem 0 0.2rem 1.6rem; }
.tfile { display: flex; align-items: baseline; gap: 0.4rem; font-size: 0.75rem; padding: 0.05rem 0; cursor: grab; }
.tfile[draggable="true"]:active { cursor: grabbing; }
.tfile__remove { opacity: 0; flex: 0 0 auto; align-self: center; line-height: 1; }
.tfile:hover .tfile__remove { opacity: 1; }
.tfile__remove:hover { color: var(--danger); border-color: var(--danger); }
.tfile__orig { color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 14rem; }
.tfile__arrow { color: var(--text-muted); }
.tfile__name { color: var(--text); }
.tfile--err .tfile__name { color: var(--danger); }
.tfile--err::before { content: "⚠"; color: var(--danger); }

/* transmittal slots + bin form */
.tslot { margin: 0.15rem 0 0.15rem 1.1rem; }
.tslot__row { display: flex; align-items: center; gap: 0.5rem; padding: 0.15rem 0.3rem; }
.tslot__name { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; }
.tnode--bin { margin-left: 1.1rem; }
.binform {
    display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center;
    margin: 0.2rem 0 0.3rem 1.1rem; padding: 0.4rem; background: var(--bg-secondary);
    border: 1px solid var(--border); border-radius: var(--radius);
}
.binform input, .binform select {
    font-size: 0.78rem; padding: 0.2rem 0.3rem;
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg); color: var(--text);
}
.binform__seq { width: 7rem; }
.binform__title { width: 11rem; }

/* drop-target affordance */
.tnode__row.drop-hover, .tslot.drop-hover { outline: 2px dashed var(--primary); outline-offset: -2px; background: var(--primary-light); }

/* ── Source-tree file rows (classify mode) ─────────────────────────────── */
.file-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.15rem 0.5rem;
    cursor: grab;
    border-radius: var(--radius);
    font-size: 0.85rem;
    user-select: none;
}
.file-item:hover { background: var(--bg-hover); }
.file-item:active { cursor: grabbing; }
.file-item.match-highlight { background: var(--primary-light); outline: 1px solid var(--primary); }
.folder-item[draggable="true"] { cursor: grab; }
.file-icon { color: var(--text-muted); }
.file-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* classification state dot */
.cl-dot {
    width: 0.55rem; height: 0.55rem; border-radius: 999px; flex-shrink: 0;
    border: 1px solid var(--border); background: transparent;
}
.cl-dot--none        { background: transparent; }
.cl-dot--tracking,
.cl-dot--transmittal { background: var(--warning); border-color: var(--warning); }
.cl-dot--partial     { background: var(--warning); border-color: var(--warning); }
.cl-dot--done        { background: var(--success); border-color: var(--success); }
.cl-dot--excluded    { background: var(--text-muted); border-color: var(--text-muted); opacity: 0.6; }
.file-item.excluded .file-name { text-decoration: line-through; color: var(--text-muted); }
.folder-item.excluded .folder-name { text-decoration: line-through; color: var(--text-muted); }

/* placed-file row in the target pane is clickable (reveal in source) */
.tfile { cursor: pointer; }
.tfile:hover .tfile__orig { text-decoration: underline; }   /* click row (not the name input) → preview */
input.tfile__name {
    flex: 1 1 auto; min-width: 10rem; font: inherit; color: var(--text);
    border: 1px solid transparent; background: transparent; border-radius: 3px; padding: 0 0.2rem;
}
input.tfile__name:hover { border-color: var(--border); }
input.tfile__name:focus { border-color: var(--primary); background: var(--bg); outline: none; }

/* cross-tree reveal flash */
.reveal-flash, .match-highlight { animation: cl-flash 1.5s ease-out; }
@keyframes cl-flash {
    0%, 40% { background: var(--primary-light); outline: 2px solid var(--primary); outline-offset: -2px; }
    100% { background: transparent; outline-color: transparent; }
}

/* exclude/include context menu */
.cl-menu {
    position: fixed; z-index: 9500;
    background: var(--bg); border: 1px solid var(--border);
    border-radius: var(--radius); box-shadow: 0 6px 18px rgba(0,0,0,0.18);
    padding: 0.25rem; min-width: 11rem;
}
.cl-menu__item {
    display: block; width: 100%; text-align: left;
    border: none; background: none; color: var(--text);
    padding: 0.4rem 0.6rem; font-size: 0.83rem; cursor: pointer; border-radius: var(--radius);
}
.cl-menu__item:hover { background: var(--bg-hover); }

/* Spreadsheet Pane */
.spreadsheet-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.spreadsheet-container {
    flex: 1;
    overflow: auto;
    background-color: var(--bg);
}

/* ZIP Extract Button in Tree */
.zip-extract-btn {
    margin-left: auto;
    padding: 0.15rem 0.4rem;
    font-size: 0.7rem;
    opacity: 0;
    transition: opacity 0.15s;
}

.folder-item:hover .zip-extract-btn {
    opacity: 1;
}

.zip-extract-btn:disabled {
    opacity: 0.5;
    cursor: wait;
}

/* ── Target tabs: grouped (assign a tracking number) + separate (route) ───── */
.pane-header--target { flex-wrap: wrap; }
.target-goal { flex: 1 0 100%; margin: 0 0 0.4rem; font-size: 0.78rem; color: var(--text-muted); line-height: 1.4; }
.target-goal strong { color: var(--text); }
.target-goal em { font-style: normal; font-weight: 600; color: var(--text); }
.target-tabs__group { display: flex; gap: 0.25rem; }
.target-tabs__divider { width: 1px; align-self: stretch; margin: 0.2rem 0.6rem 0; background: var(--border); }
/* The "By existing" catalog is now a normal in-flow tab panel. */
#mdlTree { flex: 1; min-height: 0; }
#mdlTree .seltable { height: 100%; }
.mdl-rev__input {
    width: 8rem; padding: 0.15rem 0.35rem; border: 1px solid var(--border);
    border-radius: var(--radius); background: var(--bg); color: var(--text); font-size: 0.8rem;
}
.seltable__extra { white-space: normal; }
.mdlfile__name { font-size: 0.78rem; }
#mdlPanel .tfile { gap: 0.3rem; align-items: center; padding: 0.05rem 0; cursor: grab; }
#mdlPanel .tfile--err .mdlfile__name { color: var(--danger); }
#mdlPanel .tfile__remove { opacity: 0.6; }
#mdlPanel .tfile:hover .tfile__remove { opacity: 1; }

/* ── MDL-from-archive overlay ───────────────────────────────────────────── */
.mdl-overlay { position: fixed; inset: 0; z-index: 1100; background: rgba(0,0,0,0.45); display: flex; align-items: center; justify-content: center; padding: 2rem 1rem; }
.mdl-overlay__box { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 10px 40px rgba(0,0,0,0.3); width: 100%; max-width: 1000px; height: 80vh; display: flex; flex-direction: column; }
.mdl-overlay__head { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }
.mdl-overlay__head h2 { margin: 0; font-size: 1.1rem; }
.mdl-overlay__close { background: none; border: none; font-size: 1.6rem; line-height: 1; color: var(--text-muted); cursor: pointer; padding: 0 0.4rem; }
.mdl-overlay__close:hover { color: var(--text); }
.mdl-overlay__status { padding: 0.4rem 1rem; color: var(--text-muted); font-size: 0.82rem; border-bottom: 1px solid var(--border); }
.mdl-overlay__table { flex: 1; min-height: 0; }
.mdl-overlay__foot { display: flex; justify-content: flex-end; gap: 0.5rem; padding: 0.75rem 1rem; border-top: 1px solid var(--border); }

/* ── Shared selectable + autofilter table (seltable) ────────────────────── */
.seltable { display: flex; flex-direction: column; min-height: 0; height: 100%; }
.seltable__bar { display: flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--border); flex: 0 0 auto; }
.seltable__filter {
    flex: 1; min-width: 8rem; padding: 0.3rem 0.5rem;
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg-secondary, var(--bg)); color: var(--text); font-size: 0.85rem;
}
.seltable__count { color: var(--text-muted); font-size: 0.78rem; white-space: nowrap; }
.seltable__scroll { flex: 1; min-height: 0; overflow: auto; }
/* width:auto + nowrap cells → each column shrinks to fit its header/longest cell. */
.seltable__table { border-collapse: separate; border-spacing: 0; width: auto; font-size: 0.82rem; }
.seltable__table th, .seltable__table td { border-bottom: 1px solid var(--border); padding: 0.25rem 0.5rem; text-align: left; white-space: nowrap; }
.seltable__table thead th {
    position: sticky; top: 0; z-index: 2; background: var(--bg-secondary, var(--bg));
    color: var(--text-muted); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
}
/* Per-column filter inputs: fill the column (min-width:0-ish) so they never
   force a column wider than its header/cells. */
.seltable__table thead tr.seltable__filters th { padding: 0.08rem 0.3rem; }
.seltable__colfilter {
    width: 100%; min-width: 2rem; box-sizing: border-box;
    padding: 0.1rem 0.3rem; border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg); color: var(--text); font-size: 0.72rem; font-weight: 400; letter-spacing: 0; text-transform: none;
}
.seltable__row { cursor: pointer; user-select: none; }
.seltable__row:hover { background: var(--bg-hover); }
.seltable__row.is-selected { background: var(--primary-light, rgba(37,99,235,0.12)); }
.seltable__row.is-selected:hover { background: var(--primary-light, rgba(37,99,235,0.18)); }
.seltable__row.drop-hover { outline: 2px solid var(--primary); outline-offset: -2px; }

/* ── Copy destination dialog ────────────────────────────────────────────── */
.copy-choice__backdrop {
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(0, 0, 0, 0.45);
    display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.copy-choice {
    background: var(--bg); color: var(--text);
    border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-width: 460px; width: 100%; padding: 1.25rem 1.5rem;
}
.copy-choice h3 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.copy-choice p { margin: 0 0 1.1rem; color: var(--text-muted); font-size: 0.85rem; line-height: 1.5; }
.copy-choice code { font-size: 0.82em; }
.copy-choice__select {
    width: 100%; margin: 0 0 1rem; padding: 0.45rem 0.55rem;
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg-secondary, var(--bg)); color: var(--text); font-size: 0.9rem;
}
.copy-choice__btns { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.5rem; }
.copy-choice--wide { max-width: 560px; }

/* ── Directory picker (lazy multi-select tree inside the copy-choice modal) ─ */
.dir-picker__tree {
    max-height: 50vh; overflow: auto; margin: 0 0 1rem;
    border: 1px solid var(--border); border-radius: var(--radius); padding: 0.4rem;
}
.dir-picker__row { display: flex; align-items: center; gap: 0.35rem; font-size: 0.85rem; padding: 0.05rem 0; }
.dir-picker__twisty { width: 1rem; text-align: center; cursor: pointer; color: var(--text-muted); user-select: none; }
.dir-picker__name { cursor: pointer; }
.dir-picker__children { margin-left: 1.1rem; }
.dir-picker__err { color: var(--danger); font-size: 0.78rem; margin-left: 1.1rem; }

/* ── By-tracking merged-cell table ──────────────────────────────────────── */
#trackingTree { padding: 0; }   /* table reaches the edges; cells carry padding */
.ttable { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 0.82rem; }
.ttable th, .ttable td {
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    vertical-align: top;
    padding: 0;
}
.ttable thead th {
    position: sticky; top: 0; z-index: 3;
    background: var(--bg-secondary, var(--bg));
    color: var(--text-muted);
    font-size: 0.68rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
    text-align: left; padding: 0.3rem 0.5rem; white-space: nowrap;
    border-top: 1px solid var(--border);
}
.ttable__rh { color: var(--primary); }
.ttable__fileh { width: 99%; }   /* the files column soaks up remaining width */
.ttable__cell--empty { background: var(--bg-secondary, var(--bg)); }
/* The merged-cell value stays pinned just under the header while you scroll the
   group, so a tall rowspan never reads as a blank column. */
.tcell__inner {
    position: sticky; top: 1.6rem;
    display: flex; align-items: center; gap: 0.3rem;
    padding: 0.25rem 0.5rem; white-space: nowrap;
}
.tcell__name { font-weight: 600; }
.trev__inner .tcell__name { color: var(--primary); }
.tcell__preview { text-decoration: none; cursor: pointer; }
.tcell__preview:hover { text-decoration: underline; }
.ttable__cell:hover .tnode__actions, .ttable__rev:hover .tnode__actions { opacity: 1; }
.ttable .drop-hover { outline: 2px solid var(--primary); outline-offset: -2px; }
.ttable__file { padding: 0.1rem 0.4rem; }
.ttable__drop { color: var(--text-muted); font-style: italic; font-size: 0.75rem; }
.ttable .tfile { gap: 0.3rem; align-items: center; }
.ttable .tfile__name {
    flex: 1; min-width: 8rem; max-width: 24rem;
    padding: 0.15rem 0.35rem; border: 1px solid transparent; border-radius: var(--radius);
    background: transparent; color: var(--text); font-size: 0.8rem;
}
.ttable .tfile__name:hover, .ttable .tfile__name:focus { border-color: var(--border); background: var(--bg); }
.ttable .tfile__name--err { color: var(--danger); }
.ttable .tfile--err::before { content: none; }   /* we render our own badge instead */
.tfile__badge { font-size: 0.78rem; flex: 0 0 auto; }
.tfile__badge--ok { color: var(--success, #16a34a); }
.tfile__badge--err { color: var(--danger); }