/* =====================================================
   PLAYLIST BUILDER — light-themed full-viewport dock
   =====================================================
   Styled after The Guide's visual vocabulary: light surface,
   .pg-result-row-style song rows, .pg-check checkbox pattern,
   .pg-filter-block label/control blocks. Pure design tokens,
   no hex literals.

   All selectors are scoped under #pg-builder-overlay so this
   file can't leak into the rest of the site.
   ===================================================== */

#pg-builder-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    /* Sits above the WP admin bar (z-index 99999). A full-screen tool
       should cover admin chrome while open — users can hit × to return
       to the site. */
    z-index: 999999;
    background: var(--pg-surface);
    color: var(--pg-text-primary);
    font-family: var(--pg-font-ui);
    flex-direction: column;
    overflow: hidden;
}
#pg-builder-overlay.active-overlay,
#pg-builder-overlay[style*="display: flex"] {
    display: flex !important;
}

/* ===== DOCK SHELL ===== */
#pg-builder-dock {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
}

/* ===== TOPBAR ===== */
#pg-builder-overlay .pg-builder-topbar {
    height: 48px;
    padding: 0 var(--pg-space-6);
    background: var(--pg-blue);
    color: var(--pg-white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}
#pg-builder-overlay .pg-builder-title {
    font-size: var(--pg-text-base);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--pg-white);
}
#pg-builder-overlay .pg-builder-close {
    width: 32px; height: 32px;
    padding: 0;
    background: transparent !important;
    border: none !important;
    color: var(--pg-white) !important;
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
    opacity: 0.85;
    transition: opacity 0.15s ease;
}
#pg-builder-overlay .pg-builder-close:hover { opacity: 1; }

/* ===== BODY: two columns =====
   Library on the left (browse / primary surface, gets the wide
   flex column), playlist pinned 420px on the right (target /
   destination, fixed slim column). Swapping was a UX call —
   keeps the row's "+ Add" button next to the playlist column
   it lands in, instead of way out at the page's right edge.
   Markup order is unchanged; CSS `order` flips the visual. */
#pg-builder-overlay .pg-builder-body {
    flex: 1;
    display: grid;
    /* Library on the left grows to fill, playlist on the right is
       fixed-but-roomier than the original 420px so plus-buttons land
       closer to the playlist. ~25-30% of a 2000px monitor. */
    grid-template-columns: 1fr 520px;
    gap: 0;
    min-height: 0;
    overflow: hidden;
    background: var(--pg-surface);
}
#pg-builder-overlay .pg-builder-col {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    padding: var(--pg-space-6);
    gap: var(--pg-space-4);
}
#pg-builder-overlay .pg-builder-col--library {
    order: 1;
    background: var(--pg-surface);
}
#pg-builder-overlay .pg-builder-col--playlist {
    order: 2;
    border-left: 1px solid var(--pg-border);
    background: var(--pg-surface-sunken);
}

/* ===== COLUMN HEAD (label, count, controls) ===== */
#pg-builder-overlay .pg-builder-col-head {
    display: flex;
    flex-direction: column;
    gap: var(--pg-space-3);
    flex-shrink: 0;
}
#pg-builder-overlay .pg-col-title-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--pg-space-2);
}
#pg-builder-overlay .pg-col-label {
    font-size: var(--pg-text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--pg-text-muted);
}
#pg-builder-overlay .pg-col-count {
    font-size: var(--pg-text-sm);
    color: var(--pg-text-muted);
}
#pg-builder-overlay .pg-col-inline-actions {
    display: flex;
    gap: var(--pg-space-2);
}

/* ===== FORM CONTROLS — light, Guide-matched ===== */
#pg-builder-overlay .pg-builder-input,
#pg-builder-overlay .pg-builder-select {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    font-family: var(--pg-font-ui);
    font-size: var(--pg-text-base);
    font-weight: 500;
    color: var(--pg-text-primary);
    background: var(--pg-white);
    border: 1px solid var(--pg-border-strong);
    border-radius: var(--pg-radius-md);
    line-height: 1.3;
    outline: none;
}
#pg-builder-overlay .pg-builder-input::placeholder { color: var(--pg-text-muted); }
#pg-builder-overlay .pg-builder-input:focus,
#pg-builder-overlay .pg-builder-select:focus {
    border-color: var(--pg-accent);
    box-shadow: var(--pg-focus-ring);
}
#pg-builder-overlay .pg-builder-input--sm,
#pg-builder-overlay .pg-builder-select--sm {
    padding: 7px 10px;
    font-size: var(--pg-text-sm);
}

/* Search field with magnifying glass icon. */
#pg-builder-overlay .pg-search-wrap {
    position: relative;
}
#pg-builder-overlay .pg-search-icon {
    position: absolute;
    left: 12px; top: 50%;
    transform: translateY(-50%);
    width: 16px; height: 16px;
    color: var(--pg-text-muted);
    pointer-events: none;
}
#pg-builder-overlay .pg-search-wrap .pg-builder-input {
    padding-left: 36px;
}

/* ===== LIBRARY FILTERS ROW (pills + band + sort) ===== */
#pg-builder-overlay .pg-lib-filters {
    display: flex;
    gap: var(--pg-space-2);
    align-items: stretch;
    flex-wrap: wrap;
}
#pg-builder-overlay .pg-filter-pills {
    display: inline-flex;
    border: 1px solid var(--pg-border-strong);
    border-radius: var(--pg-radius-md);
    overflow: hidden;
    background: var(--pg-white);
    flex-shrink: 0;
}
#pg-builder-overlay .pg-filter-pill {
    padding: 7px 14px;
    background: transparent !important;
    border: none !important;
    color: var(--pg-text-secondary) !important;
    font-family: var(--pg-font-ui);
    font-size: var(--pg-text-sm) !important;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0;
    text-transform: none;
    transition: background 0.15s ease, color 0.15s ease;
}
#pg-builder-overlay .pg-filter-pill:not(:last-child) {
    border-right: 1px solid var(--pg-border-strong) !important;
}
#pg-builder-overlay .pg-filter-pill:hover {
    background: var(--pg-hover-tint) !important;
    color: var(--pg-text-primary) !important;
}
#pg-builder-overlay .pg-filter-pill.is-active {
    background: var(--pg-accent) !important;
    color: var(--pg-white) !important;
}

/* Count badge inside each type pill. JS writes the integer; the leading
   space is part of the textContent so the gap is visible. Subtly
   lighter than the label so the count doesn't compete with the name. */
#pg-builder-overlay .pg-filter-pill-count {
    font-weight: 500;
    opacity: 0.7;
    font-variant-numeric: tabular-nums;
}
#pg-builder-overlay .pg-filter-pill-count:empty { display: none; }

#pg-builder-overlay .pg-lib-filters .pg-builder-input--sm { flex: 1; min-width: 140px; }
#pg-builder-overlay .pg-lib-filters .pg-builder-select--sm { flex: 0 0 auto; width: auto; }

/* ===== BULK SELECT / ADD ROW ===== */
#pg-builder-overlay .pg-lib-bulk {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--pg-space-2) 0;
    border-top: 1px solid var(--pg-border);
    border-bottom: 1px solid var(--pg-border);
}

/* ===== CANONICAL CHECKBOX (pg-check pattern from style guide) ===== */
#pg-builder-overlay .pg-check {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--pg-font-ui);
    font-size: var(--pg-text-base);
    color: var(--pg-text-primary);
    cursor: pointer;
    user-select: none;
    position: relative;
}
#pg-builder-overlay .pg-check input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0; height: 0;
    pointer-events: none;
}
#pg-builder-overlay .pg-check .pg-check-box {
    flex-shrink: 0;
    width: 18px; height: 18px;
    border: 1.5px solid var(--pg-border-strong);
    border-radius: 4px;
    background: var(--pg-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, border-color 0.15s ease;
}
#pg-builder-overlay .pg-check:hover .pg-check-box {
    border-color: var(--pg-accent);
}
#pg-builder-overlay .pg-check input[type="checkbox"]:checked + .pg-check-box {
    background: var(--pg-accent);
    border-color: var(--pg-accent);
}
#pg-builder-overlay .pg-check input[type="checkbox"]:checked + .pg-check-box::after {
    content: '';
    width: 10px; height: 6px;
    border-left: 2px solid var(--pg-white);
    border-bottom: 2px solid var(--pg-white);
    transform: rotate(-45deg) translate(1px, -1px);
}
#pg-builder-overlay .pg-check input[type="checkbox"]:focus-visible + .pg-check-box {
    box-shadow: var(--pg-focus-ring);
}

/* ===== LIST BOXES ===== */
#pg-builder-overlay .pg-builder-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    list-style: none;
    padding: 0;
    margin: 0;
    background: var(--pg-white);
    border: 1px solid var(--pg-border);
    border-radius: var(--pg-radius-md);
}
#pg-builder-overlay .pg-builder-list--virtualized {
    position: relative;
}
#pg-builder-overlay .pg-spacer {
    width: 1px;
    pointer-events: none;
}
#pg-builder-overlay .pg-rows {
    list-style: none;
    padding: 0;
    margin: 0;
    position: absolute;
    top: 0; left: 0; right: 0;
    will-change: transform;
}

/* ========== ALPHABET JUMP-RAIL ==========
   Lives next to the virtualized viewport in a flex-row wrapper so it
   stays put while the list scrolls. JS only renders buckets that have
   matching rows under the current filter — empty letters are skipped
   entirely (no greyed-out distractions). Click a letter → viewport
   scrolls to the first row in that bucket. */
#pg-builder-overlay .pg-library-list-wrap {
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: stretch;
    gap: var(--pg-space-1);
}
/* Alphabet rail on the LEFT of the viewport, viewport on the RIGHT.
   Markup order (viewport, rail) is preserved so JS doesn't change;
   CSS `order` flips the visual. The library column itself sits on
   the left of the dock, so the rail ends up at the leftmost edge —
   reachable without crossing the entire row to find it. */
#pg-builder-overlay .pg-library-list-wrap > .pg-alpha-rail { order: 1; }
#pg-builder-overlay .pg-library-list-wrap > .pg-builder-list--virtualized {
    order: 2;
    flex: 1;
    min-width: 0;
}
#pg-builder-overlay .pg-alpha-rail {
    flex: 0 0 28px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 4px 0;
    user-select: none;
}
#pg-builder-overlay .pg-alpha-rail:empty { display: none; }
#pg-builder-overlay .pg-alpha-rail-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 22px;
    padding: 2px 0;
    border: none;
    background: transparent;
    color: var(--pg-text-muted);
    font-family: var(--pg-font-ui);
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0;
    border-radius: 4px;
}
#pg-builder-overlay .pg-alpha-rail-btn:hover {
    color: var(--pg-accent);
    background: var(--pg-hover-tint);
}
#pg-builder-overlay .pg-alpha-rail-btn:active {
    color: var(--pg-text-on-accent);
    background: var(--pg-accent);
}

/* ===== SONG ROW (library + playlist — same visual class) ===== */
#pg-builder-overlay .pg-row {
    display: flex;
    align-items: center;
    gap: var(--pg-space-3);
    padding: 10px 14px;
    border-bottom: 1px solid var(--pg-border);
    min-height: 56px;
    background: var(--pg-white);
    transition: background 0.15s ease;
}
#pg-builder-overlay .pg-row:last-child { border-bottom: none; }
#pg-builder-overlay .pg-row:hover { background: var(--pg-hover-tint); }
#pg-builder-overlay .pg-row.is-added {
    background: color-mix(in srgb, var(--pg-success) 8%, transparent);
}

#pg-builder-overlay .pg-row-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
#pg-builder-overlay .pg-row-title {
    font-size: var(--pg-text-lg);
    font-weight: 600;
    color: var(--pg-accent);
    text-decoration: none;
    line-height: 1.3;
    word-break: break-word;
}
#pg-builder-overlay .pg-row-title:hover {
    color: var(--pg-success);
    text-decoration: none;
}
#pg-builder-overlay .pg-disambig { font-weight: 400; color: #8aa3b3; font-size: 0.85em; }
#pg-builder-overlay .pg-row-sub {
    font-size: var(--pg-text-sm);
    color: var(--pg-text-secondary);
    font-style: italic;
    word-break: break-word;
}
#pg-builder-overlay .pg-row-sub .pg-row-sub-label {
    font-style: normal;
    font-weight: 600;
    color: var(--pg-text-muted);
    font-size: var(--pg-text-xs);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-right: 6px;
}

/* ===== ROW ACTION: the single "+" quick-add (library only) ===== */
#pg-builder-overlay .pg-row-add {
    width: 32px; height: 32px;
    padding: 0 !important;
    border: 1px solid transparent !important;
    background: transparent !important;
    color: var(--pg-text-secondary) !important;
    cursor: pointer;
    border-radius: var(--pg-radius-sm);
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 20px;
    line-height: 1;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
#pg-builder-overlay .pg-row-add:hover {
    background: var(--pg-hover-tint) !important;
    border-color: var(--pg-border) !important;
    color: var(--pg-accent) !important;
}
#pg-builder-overlay .pg-row-add:active { transform: scale(0.94); }
#pg-builder-overlay .pg-row-add.is-added {
    color: var(--pg-success) !important;
    cursor: default;
}
#pg-builder-overlay .pg-row-add.is-added:hover {
    background: transparent !important;
    border-color: transparent !important;
}

/* ===== PLAYLIST ROW (left column) — similar to library row but with drag handle + remove ===== */
#pg-builder-overlay #selected-songs .pg-row {
    cursor: grab;
    gap: var(--pg-space-2);
    padding: 10px 12px;
}
#pg-builder-overlay #selected-songs .pg-row:active { cursor: grabbing; }
#pg-builder-overlay #selected-songs .pg-row-drag {
    color: var(--pg-text-muted);
    font-size: 18px;
    flex-shrink: 0;
    user-select: none;
}
#pg-builder-overlay #selected-songs .pg-row-num {
    flex-shrink: 0;
    width: 20px;
    text-align: right;
    color: var(--pg-text-muted);
    font-size: var(--pg-text-sm);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
#pg-builder-overlay #selected-songs .pg-row-title { font-size: var(--pg-text-base); }
#pg-builder-overlay #selected-songs .pg-row-remove {
    width: 28px; height: 28px;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
    color: var(--pg-text-muted) !important;
    cursor: pointer;
    border-radius: var(--pg-radius-sm);
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
    line-height: 1;
    transition: background 0.15s ease, color 0.15s ease;
}
#pg-builder-overlay #selected-songs .pg-row-remove:hover {
    background: var(--pg-danger) !important;
    color: var(--pg-white) !important;
}

/* Empty state for left playlist */
#pg-builder-overlay .pg-playlist-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: var(--pg-space-6);
    color: var(--pg-text-muted);
    font-size: var(--pg-text-sm);
    text-align: center;
}

/* ===== COL FOOT (Save / Save As New) ===== */
#pg-builder-overlay .pg-builder-col-foot {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pg-space-2);
    flex-shrink: 0;
}

/* ===== BUTTONS (builder-scoped, pg-btn alternative) =====
   Prefixed with .pg-builder-btn so the old .pg-btn styles from the
   design system don't collide. Uses the same semantic tokens. */
#pg-builder-overlay .pg-builder-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px !important;
    border-radius: var(--pg-radius-md) !important;
    font-family: var(--pg-font-ui) !important;
    font-size: var(--pg-text-base) !important;
    font-weight: 600 !important;
    border: 1px solid transparent !important;
    cursor: pointer;
    text-transform: none !important;
    letter-spacing: 0 !important;
    line-height: 1.25 !important;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.08s ease !important;
}
#pg-builder-overlay .pg-builder-btn:active { transform: scale(0.98) !important; }
#pg-builder-overlay .pg-builder-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}
#pg-builder-overlay .pg-builder-btn:focus-visible {
    outline: none;
    box-shadow: var(--pg-focus-ring) !important;
}

#pg-builder-overlay .pg-builder-btn--primary {
    background: var(--pg-success) !important;
    color: var(--pg-white) !important;
    border-color: var(--pg-success) !important;
}
#pg-builder-overlay .pg-builder-btn--primary:hover:not(:disabled) {
    background: var(--pg-success-hover) !important;
    border-color: var(--pg-success-hover) !important;
}

#pg-builder-overlay .pg-builder-btn--secondary {
    background: var(--pg-white) !important;
    color: var(--pg-accent) !important;
    border-color: var(--pg-accent) !important;
}
#pg-builder-overlay .pg-builder-btn--secondary:hover:not(:disabled) {
    background: var(--pg-hover-tint) !important;
    border-color: var(--pg-accent-hover) !important;
    color: var(--pg-accent-hover) !important;
}

#pg-builder-overlay .pg-builder-btn--ghost {
    background: var(--pg-white) !important;
    color: var(--pg-text-secondary) !important;
    border-color: var(--pg-border-strong) !important;
}
#pg-builder-overlay .pg-builder-btn--ghost:hover:not(:disabled) {
    background: var(--pg-hover-tint) !important;
    color: var(--pg-text-primary) !important;
    border-color: var(--pg-accent) !important;
}

#pg-builder-overlay .pg-builder-btn--sm {
    padding: 7px 12px !important;
    font-size: var(--pg-text-sm) !important;
    border-radius: var(--pg-radius-sm) !important;
}

/* ===== NESTED SAVE MODAL =====
   Triggered from Save / Save As New. Named prompt + optional keys. */
#pg-builder-overlay .pg-builder-nested {
    display: none;
    position: fixed;
    inset: 0;
    /* One above the dock so the save modal sits on top of the dock's
       own topbar/content, which are themselves above the WP admin bar. */
    z-index: 1000000;
    background: var(--pg-backdrop);
    align-items: center;
    justify-content: center;
    padding: var(--pg-space-6);
}
#pg-builder-overlay .pg-builder-nested.is-open {
    display: flex;
}
#pg-builder-overlay .pg-builder-nested-card {
    position: relative;
    background: var(--pg-surface);
    border-radius: var(--pg-radius-lg);
    width: 100%;
    max-width: 440px;
    /* Never exceed the viewport. Outer .pg-builder-nested has 24px
       padding on each side, so 48px is the room we give it. */
    max-height: calc(100vh - 48px);
    box-shadow: var(--pg-shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
/* Scrolling body: everything but the sticky foot and corner X. */
#pg-builder-overlay .pg-builder-nested-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding: var(--pg-space-6) var(--pg-space-6) var(--pg-space-3);
    display: flex;
    flex-direction: column;
    gap: var(--pg-space-3);
}
#pg-builder-overlay .pg-builder-nested-card h3 {
    margin: 0 var(--pg-space-6) 0 0; /* leave room for the corner × */
    font-size: var(--pg-text-xl);
    font-weight: 700;
    color: var(--pg-text-primary);
}
/* Corner close button — always visible, always clickable. */
#pg-builder-overlay .pg-builder-nested-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px; height: 32px;
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    color: var(--pg-text-muted) !important;
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
    border-radius: var(--pg-radius-sm);
    z-index: 1;
    transition: background 0.15s ease, color 0.15s ease;
}
#pg-builder-overlay .pg-builder-nested-close:hover {
    background: var(--pg-hover-tint) !important;
    color: var(--pg-text-primary) !important;
}
#pg-builder-overlay .pg-builder-label {
    font-size: var(--pg-text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--pg-text-muted);
}
#pg-builder-overlay .pg-key-toggle { align-self: flex-start; }
#pg-builder-overlay #key-entry-section {
    max-height: 240px;
    overflow-y: auto;
    background: var(--pg-surface-sunken);
    border: 1px solid var(--pg-border);
    border-radius: var(--pg-radius-sm);
    padding: var(--pg-space-2);
}
#pg-builder-overlay .pg-key-song-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--pg-space-2);
    padding: 4px 6px;
}
#pg-builder-overlay .pg-key-song-row + .pg-key-song-row {
    border-top: 1px solid var(--pg-border);
}
#pg-builder-overlay .pg-key-song-row span {
    flex: 1;
    font-size: var(--pg-text-sm);
    color: var(--pg-text-primary);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
#pg-builder-overlay .pg-key-song-row select {
    flex: 0 0 80px;
    padding: 4px 8px;
    font-size: var(--pg-text-sm);
    border: 1px solid var(--pg-border-strong);
    border-radius: var(--pg-radius-sm);
    background: var(--pg-white);
    color: var(--pg-text-primary);
}
#pg-builder-overlay .pg-builder-nested-foot {
    flex-shrink: 0;
    display: flex;
    gap: var(--pg-space-2);
    justify-content: flex-end;
    padding: var(--pg-space-3) var(--pg-space-6);
    border-top: 1px solid var(--pg-border);
    background: var(--pg-surface);
}

/* ===== TOAST (save confirmation, etc.) ===== */
#pg-builder-overlay .pg-builder-toast {
    position: absolute;
    top: 64px;
    left: 50%;
    transform: translate(-50%, -10px);
    padding: 10px 20px;
    border-radius: var(--pg-radius-md);
    font-family: var(--pg-font-ui);
    font-size: var(--pg-text-base);
    font-weight: 600;
    color: var(--pg-white);
    box-shadow: var(--pg-shadow-md);
    z-index: 1000001;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    max-width: 80vw;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
#pg-builder-overlay .pg-builder-toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}
#pg-builder-overlay .pg-builder-toast--success { background: var(--pg-success); }
#pg-builder-overlay .pg-builder-toast--error   { background: var(--pg-danger); }

/* ===== MOBILE: stack vertically =====
   Library on top (60% — browse area, scrollable list), playlist on
   bottom (40% — destination, fewer rows). Mirrors the desktop
   left/right priority. order:1/order:2 set above carries over. */
@media (max-width: 820px) {
    #pg-builder-overlay .pg-builder-body {
        grid-template-columns: 1fr;
        grid-template-rows: 60% 40%;
    }
    #pg-builder-overlay .pg-builder-col--library {
        border-bottom: 1px solid var(--pg-border);
    }
    #pg-builder-overlay .pg-builder-col--playlist {
        border-left: none;
    }
}