#bd-panel-backdrop {
        position: fixed; inset: 0; z-index: 9990;
        background: rgba(31,30,29,0.32); backdrop-filter: blur(2px);
        opacity: 0; pointer-events: none;
        transition: opacity 0.18s ease;
      }
      #bd-panel-backdrop.open { opacity: 1; pointer-events: auto; }
      #bd-panel {
        position: fixed; top: 0; right: 0; bottom: 0;
        width: min(560px, 92vw);
        background: var(--bg-card, white);
        box-shadow: -8px 0 32px rgba(0,0,0,0.18);
        z-index: 9991;
        transform: translateX(100%);
        transition: transform 0.22s cubic-bezier(0.22, 0.61, 0.36, 1);
        display: flex; flex-direction: column;
        font-family: 'Inter', sans-serif;
      }
      #bd-panel.open { transform: translateX(0); }
      .bd-head {
        padding: 18px 22px 14px;
        border-bottom: 1px solid var(--border, #E8E2D3);
        display: flex; align-items: flex-start; justify-content: space-between; gap: 14px;
      }
      .bd-head-titles { flex: 1; min-width: 0; }
      .bd-head-title {
        font-family: 'Instrument Serif', Georgia, serif;
        font-size: 22px; line-height: 1.15; color: var(--ink);
        margin: 0 0 4px 0;
      }
      .bd-head-sub {
        font-family: 'JetBrains Mono', monospace;
        font-size: 10.5px; color: var(--ink-3);
        letter-spacing: 0.06em;
      }
      .bd-head-close {
        background: transparent; border: none; color: var(--ink-3);
        font-size: 22px; line-height: 1; padding: 4px 8px;
        cursor: pointer; border-radius: 4px;
      }
      .bd-head-close:hover { background: rgba(0,0,0,0.05); color: var(--ink); }
      .bd-body {
        flex: 1; overflow-y: auto;
        padding: 6px 22px 24px;
      }
      .bd-section {
        margin-top: 14px;
        border: 1px solid var(--border-2, #E8E2D3);
        border-radius: 8px;
        overflow: hidden;
        background: white;
      }
      .bd-section-head {
        display: flex; align-items: center; justify-content: space-between;
        padding: 11px 14px;
        background: rgba(245,240,232,0.55);
        cursor: pointer;
        font-family: 'JetBrains Mono', monospace;
        font-size: 10.5px; color: var(--ink-2);
        letter-spacing: 0.10em; text-transform: uppercase;
        user-select: none;
      }
      .bd-section-head:hover { background: rgba(245,240,232,0.85); }
      .bd-section-head .bd-toggle { font-size: 11px; color: var(--ink-3); }
      .bd-section.collapsed .bd-section-body { display: none; }
      .bd-section.collapsed .bd-toggle::before { content: '▸'; }
      .bd-section:not(.collapsed) .bd-toggle::before { content: '▾'; }
      .bd-section-body { padding: 6px 0; }
      .bd-field {
        display: grid;
        grid-template-columns: 160px 1fr;
        gap: 10px; align-items: center;
        padding: 7px 14px;
        font-size: 12.5px;
        border-bottom: 1px dashed var(--border-2, #E8E2D3);
      }
      .bd-field:last-child { border-bottom: 0; }
      .bd-field-lbl {
        font-size: 11.5px; color: var(--ink-3);
        font-weight: 500;
      }
      .bd-field-val input,
      .bd-field-val textarea,
      .bd-field-val select {
        width: 100%;
        background: transparent;
        border: 1px solid transparent;
        border-radius: 4px;
        padding: 5px 7px;
        font-family: inherit;
        font-size: 12.5px;
        color: var(--ink);
        transition: background 0.12s, border-color 0.12s;
      }
      .bd-field-val input:hover,
      .bd-field-val textarea:hover,
      .bd-field-val select:hover {
        background: rgba(245,240,232,0.6);
        border-color: var(--border-2, #E8E2D3);
      }
      .bd-field-val input:focus,
      .bd-field-val textarea:focus,
      .bd-field-val select:focus {
        outline: none;
        background: white;
        border-color: var(--clay);
        box-shadow: 0 0 0 1px var(--clay);
      }
      .bd-field-val textarea { resize: vertical; min-height: 56px; }
      .bd-field-val input::placeholder,
      .bd-field-val textarea::placeholder { color: var(--ink-4, #B3A993); }
      .bd-foot {
        padding: 14px 22px;
        border-top: 1px solid var(--border, #E8E2D3);
        display: flex; align-items: center; justify-content: space-between; gap: 12px;
        background: var(--bg-card, white);
      }
      .bd-foot-status { font-size: 11px; color: var(--ink-3); font-style: italic; }
      .bd-foot-status.err { color: var(--clay); font-style: normal; font-weight: 500; }
      .bd-foot-status.ok  { color: var(--sage-ink); font-style: normal; font-weight: 500; }
      .bd-foot-actions { display: flex; gap: 10px; }
      /* Destructive footer link (Archive · Delete) · text-link style so
         it doesn't compete with the primary Save action visually but is
         still discoverable.  Steven 2026-05-27: "there should be an
         option to delete project as well". */
      .bd-foot-left {
        display: flex; align-items: center; gap: 4px;
        flex-wrap: wrap;
      }
      .bd-foot-danger {
        display: inline-flex; align-items: center;
        gap: 4px;
        background: transparent; border: none;
        padding: 7px 9px; border-radius: 4px;
        font-family: inherit; font-size: 11.5px; font-weight: 500;
        color: var(--ink-3); cursor: pointer;
        transition: all 0.12s;
      }
      .bd-foot-danger:hover {
        background: rgba(184,92,62,0.08);
        color: var(--clay);
      }
      .bd-foot-danger.delete:hover {
        background: rgba(184,92,62,0.14);
        color: #8B3E1E;
      }
      .bd-foot-danger .ic { font-size: 13px; line-height: 1; }
      .bd-foot-sep {
        width: 1px; height: 14px;
        background: var(--border-2, #E8E2D3);
        margin: 0 2px;
      }
      .bd-foot-status-row {
        display: flex; align-items: center; gap: 8px;
      }
      .bd-btn {
        padding: 9px 18px; border-radius: 6px;
        font-family: inherit; font-size: 12.5px; font-weight: 500;
        cursor: pointer; transition: all 0.12s;
      }
      .bd-btn-cancel { background: transparent; border: 1px solid var(--border-2, #E8E2D3); color: var(--ink-2); }
      .bd-btn-cancel:hover { background: rgba(245,240,232,0.6); border-color: var(--ink-3); }
      .bd-btn-save   { background: var(--ink); border: 1px solid var(--ink); color: white; }
      .bd-btn-save:hover  { background: #000; }
      .bd-btn-save:disabled { opacity: 0.65; cursor: wait; }
      #bid-working-save:disabled { cursor: not-allowed; }
      #bid-working-save[aria-busy="true"] { cursor: wait; }
      #bid-working-status[data-editor-state="local"] { color: #6d54a3 !important; }
      #bid-working-status[data-editor-state="saved"] { color: var(--sage-ink, #5d7a42) !important; }
      #bid-working-status[data-editor-state="save_failed"],
      #bid-working-status[data-editor-state="conflict"] { color: var(--clay) !important; font-weight: 600; }
      .c3q-provenance-button {
        display: inline-flex; align-items: center; justify-content: center;
        min-width: 0; height: 16px; margin-left: 3px; padding: 0 4px;
        border: 1px solid var(--border-2, #d9d1c2); border-radius: 4px;
        background: rgba(0,0,0,.015); color: var(--ink-3, #777168);
        font: 600 7.5px/1 'JetBrains Mono',monospace; letter-spacing:.02em;
        cursor: pointer; vertical-align: middle;
      }
      .c3q-provenance-button:hover,
      .c3q-provenance-button:focus-visible { color: var(--clay, #b85c3e); border-color: var(--clay, #b85c3e); outline: none; }
      .c3q-finmat-price > .c3q-provenance-button {
        position: absolute; right: 0; top: 5px; margin: 0; z-index: 4;
      }
      .c3q-provenance-export {
        display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px;
        border: 1px solid #3a5a9a; border-radius: 6px; background: rgba(58,90,154,0.06);
        color: #3a5a9a; font: 600 11px/1.2 inherit; cursor: pointer; white-space: nowrap;
      }
      .bid-field-provenance-dialog {
        width: min(760px, calc(100vw - 32px)); max-height: min(760px, calc(100vh - 40px));
        overflow: hidden; padding: 0; border: 1px solid var(--border-2, #E8E2D3); border-radius: 12px;
        box-sizing:border-box; background: var(--bg-card, #fff); color: var(--ink, #1f1e1d); box-shadow: 0 22px 70px rgba(31,30,29,0.24);
      }
      .bid-field-provenance-dialog[open] { display:flex; flex-direction:column; }
      .bid-field-provenance-dialog::backdrop { background: rgba(31,30,29,0.46); }
      .bid-field-provenance-head { flex:0 0 auto; display:flex; justify-content:space-between; gap:16px; padding:20px 22px 14px; border-bottom:1px solid var(--border-2,#E8E2D3); }
      .bid-field-provenance-head h2 { margin:3px 0; font-size:18px; }
      .bid-field-provenance-head p { margin:0; color:var(--ink-3); font-size:12px; }
      .bid-field-provenance-kicker { font:600 9px/1.2 'JetBrains Mono',monospace; letter-spacing:.1em; text-transform:uppercase; color:var(--clay); }
      .bid-field-provenance-close { width:30px; height:30px; border:1px solid var(--border-2,#E8E2D3); border-radius:6px; background:transparent; font-size:20px; cursor:pointer; }
      .bid-field-provenance-warning { flex:0 0 auto; margin:16px 22px 0; padding:10px 12px; border-left:3px solid #b85c3e; background:rgba(184,92,62,.08); color:#7d351f; font-size:12px; font-weight:600; }
      .bid-field-provenance-body { flex:1 1 auto; min-height:0; max-height:none; overflow-y:auto; overscroll-behavior:contain; scrollbar-gutter:stable; padding:16px 22px 22px; box-sizing:border-box; }
      .bid-field-provenance-dialog dl { margin:0; border:1px solid var(--border-2,#E8E2D3); border-radius:8px; overflow:hidden; }
      .bid-field-provenance-dialog dl>div { display:grid; grid-template-columns:170px 1fr; gap:18px; padding:9px 12px; border-bottom:1px solid var(--border-2,#E8E2D3); }
      .bid-field-provenance-dialog dl>div:last-child { border-bottom:0; }
      .bid-field-provenance-dialog dt { color:var(--ink-3); font:600 9px/1.4 'JetBrains Mono',monospace; letter-spacing:.05em; text-transform:uppercase; }
      .bid-field-provenance-dialog dd { margin:0; font-size:12.5px; line-height:1.45; overflow-wrap:anywhere; }
      .bid-field-provenance-dialog section { padding:0 0 18px; }
      .bid-field-provenance-dialog section:last-child { padding-bottom:0; }
      .bid-field-provenance-dialog section h3 { font-size:13px; margin:0 0 8px; }
      .bid-field-provenance-empty { margin:0; color:var(--ink-3); font-size:12px; }
      .bid-field-provenance-items { margin:0; padding:0; list-style:none; border:1px solid var(--border-2,#E8E2D3); border-radius:8px; overflow:hidden; }
      .bid-field-provenance-items>li { margin:0; padding:10px 12px; border-bottom:1px solid var(--border-2,#E8E2D3); font-size:12px; line-height:1.4; overflow-wrap:anywhere; }
      .bid-field-provenance-items>li:last-child { border-bottom:0; }
      .bid-field-provenance-item-title { color:var(--ink); font-weight:600; }
      .bid-field-provenance-item-meta { margin-top:2px; color:var(--ink-3); font:500 10px/1.4 'JetBrains Mono',monospace; }
      .bid-field-provenance-item-reason { margin-top:6px; color:var(--ink-2); }
      .bid-field-provenance-item-reason>span { display:inline-block; margin-right:6px; color:var(--ink-3); font:600 8px/1.3 'JetBrains Mono',monospace; letter-spacing:.05em; text-transform:uppercase; }
      .bid-field-provenance-metrics { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:8px; margin-top:7px; }
      .bid-field-provenance-metrics>div { min-width:0; padding:6px 7px; border-radius:5px; background:rgba(245,240,232,.55); }
      .bid-field-provenance-metrics span { display:block; color:var(--ink-3); font:600 7.5px/1.3 'JetBrains Mono',monospace; letter-spacing:.04em; text-transform:uppercase; }
      .bid-field-provenance-metrics strong { display:block; margin-top:2px; color:var(--ink); font-size:11px; font-weight:500; }
      .bid-field-provenance-sources a { color:var(--sage-ink,#3d5a3d); font-weight:600; text-decoration:none; }
      .bid-field-provenance-sources a:hover,
      .bid-field-provenance-sources a:focus-visible { text-decoration:underline; }
      .bid-field-manual-proof { border-top:1px solid var(--border-2,#E8E2D3); padding-top:16px!important; }
      .bid-field-manual-proof>p { margin:-2px 0 10px; color:var(--ink-3); font-size:11px; }
      .bid-field-manual-proof-form { display:grid; grid-template-columns:1fr 1fr; gap:9px 12px; }
      .bid-field-manual-proof-form label { display:grid; gap:4px; color:var(--ink-3); font:600 9px/1.3 'JetBrains Mono',monospace; letter-spacing:.04em; text-transform:uppercase; }
      .bid-field-manual-proof-form label:last-of-type { grid-column:1/-1; }
      .bid-field-manual-proof-form input,
      .bid-field-manual-proof-form textarea { box-sizing:border-box; width:100%; padding:7px 8px; border:1px solid var(--border-2,#E8E2D3); border-radius:5px; background:var(--bg-card,#fff); color:var(--ink); font:12px/1.4 inherit; text-transform:none; letter-spacing:0; }
      .bid-field-manual-proof-form textarea { min-height:58px; resize:vertical; }
      .bid-field-manual-proof-actions { grid-column:1/-1; display:flex; flex-wrap:wrap; align-items:center; gap:8px; padding-top:2px; }
      .bid-field-manual-proof-actions button { padding:5px 9px; border:1px solid var(--border-2,#E8E2D3); border-radius:5px; background:var(--bg-card,#fff); color:var(--ink-2); font:600 10px/1.2 inherit; cursor:pointer; }
      .bid-field-manual-proof-actions button[type="submit"] { border-color:var(--sage,#4a7c59); color:var(--sage-ink,#3d5a3d); background:rgba(74,124,89,.06); }
      .bid-field-manual-proof-status { color:var(--ink-3); font-size:10px; }
      .bid-field-manual-proof-save-note { flex-basis:100%; margin:0; color:var(--ink-3); font-size:10px; line-height:1.4; }
      @media (max-width: 560px) {
        .bid-field-provenance-dialog dl>div { grid-template-columns:1fr; gap:3px; }
        .bid-field-provenance-metrics { grid-template-columns:repeat(2,minmax(0,1fr)); }
        .bid-field-manual-proof-form { grid-template-columns:1fr; }
        .bid-field-manual-proof-form label:last-of-type { grid-column:auto; }
      }

      /* Pencil icon · used in all 4 entry points */
      .bd-pencil {
        display: inline-flex; align-items: center; justify-content: center;
        width: 26px; height: 26px;
        background: transparent;
        border: 1px solid transparent;
        border-radius: 5px;
        cursor: pointer;
        color: var(--ink-3);
        transition: all 0.12s;
        flex-shrink: 0;
      }
      .bd-pencil:hover {
        background: rgba(184,92,62,0.08);
        color: var(--clay);
        border-color: rgba(184,92,62,0.30);
      }
      .bd-pencil svg { width: 14px; height: 14px; }
      .bd-pencil.compact { width: 22px; height: 22px; }
      .bd-pencil.compact svg { width: 12px; height: 12px; }
      .bd-pencil.large { width: 32px; height: 32px; }
      .bd-pencil.large svg { width: 16px; height: 16px; }