/* ---- Seq column ---- */
        .seq-transport canvas#seqCanvas { width: 100%; height: 64px; margin-top: 8px; border-radius: 8px; background: rgba(0,0,0,0.25); display: block; touch-action: none; }
        .seq-inline-btn { padding: 5px 10px; font-size: 0.82rem; }
        .scope-row { margin-top: 6px; align-items: center; font-size: 0.8rem; }
        .scope-row > * { flex: none; }
        .scope-label { color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; font-size: 0.7rem; }
        .scope-tick { display: inline-flex; align-items: center; gap: 4px; cursor: pointer; }
        .scope-badge { font-size: 0.66rem; color: var(--accent-green); font-weight: 700; letter-spacing: 1px; margin-left: 6px; }
        /* behaviour row — flat list (no card), category shown by left accent stripe (js/ui/80-theme.js) */
        .seq-unit { position: relative; border-left: 3px solid var(--border-color); border-bottom: 1px solid var(--border-color); border-radius: 0; background: transparent; padding: 9px 4px 10px 12px; margin-bottom: 2px; }
        .seq-unit.cat-sound { border-left-color: var(--seq-cat-sound); }
        .seq-unit.cat-parameter { border-left-color: var(--seq-cat-param); }
        .seq-unit.cat-density { border-left-color: var(--seq-cat-density); }
        .seq-unit.cat-embellishment { border-left-color: var(--seq-cat-embellish); }
        .seq-unit.disabled { opacity: 0.5; }
        .seq-head { display: flex; align-items: center; gap: 6px; margin-bottom: 7px; }
        .seq-grip { cursor: grab; color: var(--text-secondary); font-size: 1rem; user-select: none; touch-action: none; }
        /* top row: the two popup menus split the width — left = type, right = behaviour */
        .seq-head select.seq-cat, .seq-head select.seq-type { flex: 1; min-width: 0; }
        .seq-head .seq-en { cursor: pointer; font-size: 1rem; }
        .seq-head .seq-del { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 1.05rem; padding: 2px 4px; }
        .seq-head .seq-del:hover { color: var(--accent-primary); }
        .seq-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 6px; }
        .seq-row label { font-size: 0.74rem; color: var(--text-secondary); display: flex; align-items: center; gap: 4px; }
        .seq-row select, .seq-row input[type="number"], .seq-row input[type="text"] { padding: 5px 6px; font-size: 0.8rem; }
        .seq-row input[type="number"] { width: 56px; }
        .seq-mini { font-size: 0.72rem; color: var(--text-secondary); margin-top: 4px; }
        .seq-mini b { color: var(--accent-yellow); }
        .seq-hint { font-size: 0.7rem; color: var(--accent-yellow); font-style: italic; margin-top: 2px; opacity: 0.85; }
        .seq-pal { display: flex; flex-wrap: wrap; gap: 5px; margin: 4px 0; }
        .seq-pal .pal-chip { display: inline-flex; align-items: center; gap: 4px; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 6px; padding: 3px 7px; font-size: 0.78rem; cursor: pointer; }
        .seq-pal .pal-chip .x { color: var(--text-secondary); }
        .seq-pal .pal-add { border-style: dashed; color: var(--text-secondary); }
        .seq-reorder { display: flex; flex-direction: column; gap: 1px; }
        .seq-reorder button { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 0.62rem; line-height: 1; padding: 1px; }
        .seq-reorder button:hover { color: var(--accent-primary); }
        /* sound chooser popup */
        .sc-tabs { margin: 0 0 12px; }
        .sc-tabs .pager-tab { padding: 9px 6px; font-size: 0.82rem; }
        /* "Now ticking" quick-pick row — the live metronome sounds, surfaced in the one chooser */
        .sc-ticking { margin-bottom: 12px; }
        .sc-ticking-lbl { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; color: var(--text-secondary); margin-bottom: 6px; }
        .sc-ticking-row { display: flex; flex-wrap: wrap; gap: 6px; }
        .sc-tick-chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 11px; font-size: 0.82rem; font-weight: 600; border: 1px solid var(--accent-yellow); border-radius: 8px; background: var(--bg-secondary); cursor: pointer; }
        .sc-tick-chip:hover { background: var(--accent-yellow); color: var(--bg-primary); }
        .sc-tick-chip .tg { font-size: 0.66rem; font-weight: 700; letter-spacing: 0.5px; color: var(--text-secondary); }
        .sc-tick-chip:hover .tg { color: var(--bg-primary); }
        .sc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
        .sc-grid .sc-cell { position: relative; padding: 10px 6px; text-align: center; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 8px; font-size: 0.82rem; transition: all 0.15s ease; }
        .sc-grid .sc-cell:hover { border-color: var(--accent-primary); }
        .sc-grid .sc-cell.sel { border-color: var(--accent-primary); background: var(--accent-primary); color: var(--bg-primary); }
        .sc-grid .sc-cell .nm { display: block; cursor: pointer; word-break: break-word; }
        .sc-grid .sc-cell .trash { position: absolute; top: 2px; right: 3px; background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 0.72rem; padding: 1px 2px; line-height: 1; }
        .sc-grid .sc-cell .trash:hover { color: var(--accent-yellow); }
        /* A palette cell is a membership, so it carries a tick as well as the selected fill */
        .sc-band.pal .sc-cell.sel .nm::before { content: '\2713\00a0'; }
        .sc-band { margin-bottom: 14px; }
        .sc-band:last-child { margin-bottom: 0; }
        .sc-band-title { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; color: var(--text-secondary); margin-bottom: 6px; padding-left: 2px; }
        /* inline sound chooser — expands under the slot's chooser button (no popup) */
        .snd-chooser { display: none; margin: -2px 0 8px; padding: 9px; background: var(--bg-card); border: 1px solid var(--accent-primary); border-radius: 8px; max-height: 280px; overflow-y: auto; }
        .snd-chooser.open { display: block; }
        /* sticks to the foot of the scrolling chooser so OK is reachable without scrolling to the end */
        .sc-ok-row { position: sticky; bottom: -9px; margin: 10px -9px -9px; padding: 8px 9px; text-align: right; background: var(--bg-card); }
        .sc-ok-row .sc-ok { width: auto; padding: 8px 22px; font-size: 0.8rem; box-shadow: none; }
        .us-tag { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.5px; color: var(--text-secondary); border: 1px solid var(--border-color); border-radius: 4px; padding: 0 3px; margin-left: 4px; }
        .sc-seq-item { padding: 10px; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 8px; margin-bottom: 6px; cursor: pointer; }
        .sc-seq-item:hover { border-color: var(--accent-primary); }
        .sc-seq-item .sub { font-size: 0.74rem; color: var(--text-secondary); }
        .seq-pick-band { margin-bottom: 12px; }
        .seq-pick-band .band-title { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; margin-bottom: 6px; padding-left: 4px; }
        .seq-pick-band.cat-sound .band-title { color: var(--seq-cat-sound); }
        .seq-pick-band.cat-parameter .band-title { color: var(--seq-cat-param); }
        .seq-pick-band.cat-density .band-title { color: var(--seq-cat-density); }
        .seq-pick-band.cat-embellishment .band-title { color: var(--seq-cat-embellish); }
        .seq-pick-band .band-types { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
        .seq-pick-band .band-types button { padding: 8px; font-size: 0.82rem; }
        /* plain-language card summary + collapsed advanced row */
        .seq-desc { font-size: 0.72rem; line-height: 1.3; color: var(--text-secondary); margin: 5px 0 0; }
        .seq-desc .seq-q { color: var(--text-secondary); }
        .seq-adv { margin-top: 6px; }
        .seq-adv > summary { list-style: none; cursor: pointer; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-secondary); padding: 3px 0; user-select: none; }
        .seq-adv > summary::-webkit-details-marker { display: none; }
        .seq-adv > summary::before { content: '▸ '; font-size: 0.7rem; }
        .seq-adv[open] > summary::before { content: '▾ '; }
        .seq-adv > summary:hover { color: var(--accent-primary); }
        .seq-loop-active { background: var(--accent-green) !important; color: var(--bg-primary) !important; }
        /* voice source toggle + seq chip in the Sound column */
        .src-toggle { display: flex; gap: 4px; margin-bottom: 10px; }
        .src-toggle .src-opt { flex: 1; text-align: center; padding: 7px 4px; font-size: 0.74rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; border: 1px solid var(--border-color); border-radius: 7px; background: var(--bg-secondary); cursor: pointer; color: var(--text-secondary); }
        .src-toggle .src-opt.active { background: var(--accent-primary); color: var(--bg-primary); border-color: var(--accent-primary); }
        .seq-voice-chip { display: flex; align-items: center; gap: 8px; padding: 12px; background: var(--bg-secondary); border: 1px solid var(--seq-cat-sound); border-radius: 10px; }
        .seq-voice-chip .svc-name { flex: 1; font-weight: 600; }
        .seq-voice-chip .svc-sub { font-size: 0.72rem; color: var(--text-secondary); }

        /* transport */
        .transport { display: flex; gap: 8px; align-items: stretch; }
        .transport .btn { flex: 2; }
        .transport .skip { flex: 1; font-size: 1.2rem; padding: 12px 0; }
        .now-playing { text-align: center; margin: 10px 0; }
        .now-playing .np-main { font-family: var(--font-display); font-size: 1.4rem; color: var(--accent-yellow); font-weight: 900; }
        .now-playing .np-sub { font-size: 0.82rem; color: var(--text-secondary); margin-top: 2px; }
        .progress-track { height: 8px; background: var(--bg-secondary); border-radius: 4px; overflow: hidden; margin: 8px 0; }
        .progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent-green), var(--accent-yellow)); transition: width 0.1s linear; }

        /* modal */
        .modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.8); z-index: 1000; justify-content: center; align-items: center; padding: 20px; }
        .modal.active { display: flex; }
        .modal-content { background: var(--bg-card); border: 2px solid var(--accent-primary); border-radius: 12px; padding: 22px; max-width: 420px; width: 100%; max-height: 80vh; overflow-y: auto; }
        .modal-header { font-family: var(--font-display); font-size: 1.3rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; text-align: center; color: var(--accent-primary); }

        footer { text-align: center; padding: 2px 12px 10px; color: var(--text-secondary); font-size: 0.8rem; font-style: italic; }

        /* toast: transient save notice */
        .toast {
            position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px);
            background: var(--bg-card); border: 1px solid var(--accent-primary); color: var(--text-primary);
            padding: 12px 18px; border-radius: 10px; font-size: 0.85rem; max-width: 90%; text-align: center;
            box-shadow: 0 6px 24px rgba(0,0,0,0.55); opacity: 0; pointer-events: none; z-index: 2000;
            transition: opacity 0.25s ease, transform 0.25s ease;
        }
        .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

        /* Inline seq behaviour rows */
        .seq-inline-b { margin-top: 6px; }
        .grid-dots { display: flex; flex-wrap: wrap; gap: 5px; }
        .grid-dot { width: 14px; height: 14px; border-radius: 50%; border: 1px solid var(--border-color); background: var(--bg-secondary); cursor: pointer; flex: none; }
        .grid-dot.on { background: var(--accent-primary); border-color: var(--accent-primary); }
        .seq-b-row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-bottom: 6px; }
        /* the two top-level menus fill the first row, so params wrap onto a second row when present */
        .seq-b-row > select { flex: 1 1 calc(50% - 3px); min-width: 130px; padding: 8px 6px; font-size: 0.9rem; }
        /* parameter behaviours put their controls on a full-width second row */
        .seq-b-params { flex: 1 1 100%; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
        .seq-b-params > label:first-child { flex: 1; }
        .seq-b-params > label:first-child select { flex: 1; }
        .seq-b-row label { font-size: 0.8rem; color: var(--text-secondary); display: flex; align-items: center; gap: 4px; white-space: nowrap; }
        .seq-b-row label select { width: auto; min-width: 96px; padding: 7px 6px; font-size: 0.9rem; }
        .seq-b-row input[type="number"], .seq-b-row input[type="text"] {
            background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 6px;
            color: var(--text-primary); font-family: var(--font-ui); font-size: 0.9rem; padding: 7px 6px; outline: none;
        }
        .seq-b-row input[type="number"]:focus, .seq-b-row input[type="text"]:focus { border-color: var(--accent-primary); box-shadow: 0 0 8px var(--focus-ring); }
        .seq-b-row input[type="number"] { width: 58px; }
        .seq-b-row input[type="text"] { width: 92px; }
        .seq-b-row input[type="checkbox"] { accent-color: var(--accent-primary); }
        .seq-b-divider { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-secondary); margin: 8px 0 3px; padding-left: 2px; }