/* ════════════════════════════════════════════════════════════════════════
       v42 Step 3 — Bornes picker (filter chips + search + scrollable list)
       ════════════════════════════════════════════════════════════════════════ */

    /* Sidebar inner padding tighter for the picker */
    .builder-sidebar-content.picker {
      padding: 0;
      display: flex;
      flex-direction: column;
    }

    .picker-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      padding: 14px 14px 10px;
      border-bottom: 1px solid var(--border);
      flex: 0 0 auto;
    }
    .picker-chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 36px;
      padding: 4px 12px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: var(--surface-2);
      color: var(--text-medium);
      font-family: var(--font-head);
      font-size: var(--font-xs);
      font-weight: 600;
      cursor: pointer;
      transition: background .15s, color .15s, border-color .15s;
      letter-spacing: .02em;
    }
    .picker-chip:hover { color: var(--text); border-color: var(--accent); }
    .picker-chip:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }
    .picker-chip.active {
      background: var(--accent);
      color: #0d1117;
      border-color: var(--accent);
    }
    .picker-chip-count {
      background: rgba(0, 0, 0, .25);
      padding: 1px 8px;
      border-radius: 10px;
      font-weight: 700;
      min-width: 24px;
      text-align: center;
    }
    .picker-chip.active .picker-chip-count {
      background: rgba(255, 255, 255, .25);
    }
    .picker-chip.dot-libre   .picker-chip-dot { background: var(--accent); }
    .picker-chip.dot-other   .picker-chip-dot { background: var(--accent); border: 2px solid var(--blue); }
    .picker-chip.dot-sel     .picker-chip-dot { background: var(--accent); width: 12px; height: 12px; }
    .picker-chip-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      flex: 0 0 auto;
    }

    /* Search box */
    .picker-search-wrap {
      position: relative;
      padding: 10px 14px;
      border-bottom: 1px solid var(--border);
      flex: 0 0 auto;
    }
    .picker-search {
      width: 100%;
      min-height: var(--tap-min);
      padding: 0 38px 0 14px;
      background: var(--surface-2);
      color: var(--text);
      border: 1px solid var(--border);
      border-radius: 8px;
      font-family: var(--font-body);
      font-size: var(--font-sm);
      outline: none;
      transition: border-color .15s;
    }
    .picker-search::placeholder { color: var(--text-dim); }
    .picker-search:focus { border-color: var(--accent); }
    .picker-search:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 1px;
    }
    .picker-search-clear {
      position: absolute;
      right: 22px;
      top: 50%;
      transform: translateY(-50%);
      width: 28px;
      height: 28px;
      background: var(--border);
      color: var(--text);
      border: none;
      border-radius: 50%;
      cursor: pointer;
      font-size: 14px;
      line-height: 1;
      display: none;
      align-items: center;
      justify-content: center;
    }
    .picker-search-clear:hover { background: var(--accent); color: #0d1117; }
    .picker-search-clear.visible { display: flex; }

    /* Site grouping headers in borne picker */
    .picker-site-header {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px 5px;
      font-family: var(--font-head);
      font-size: 11px;
      font-weight: 700;
      color: var(--text-dim);
      text-transform: uppercase;
      letter-spacing: .08em;
      border-top: 1px solid var(--border);
      margin-top: 2px;
      position: sticky;
      top: 0;
      background: var(--surface);
      z-index: 2;
    }
    .picker-site-header:first-child { border-top: none; margin-top: 0; }
    .picker-site-name {
      flex: 1;
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      color: var(--text-medium);
    }
    .picker-site-count {
      font-size: 10px;
      font-weight: 700;
      padding: 1px 6px;
      border-radius: 8px;
      background: var(--surface-2);
      border: 1px solid var(--border);
      color: var(--text-dim);
      white-space: nowrap;
      flex-shrink: 0;
    }
    .picker-site-count.has-selected {
      background: rgba(240,165,0,.15);
      border-color: var(--accent);
      color: var(--accent);
    }
    .picker-group-toggle {
      font-family: var(--font-head);
      font-size: 11px;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 4px;
      cursor: pointer;
      background: var(--surface-2);
      border: 1px solid var(--border);
      color: var(--text-dim);
      transition: all .15s;
      white-space: nowrap;
    }
    .picker-group-toggle:hover  { border-color: var(--accent); color: var(--text); }
    .picker-group-toggle.active { border-color: var(--accent); color: var(--accent); }

    /* Scrollable list */
    .picker-list {
      flex: 1 1 auto;
      overflow-y: auto;
      min-height: 0;
      padding: 6px;
    }
    .picker-list-empty {
      padding: 28px 16px;
      text-align: center;
      color: var(--text-medium);
      font-family: var(--font-head);
      font-size: var(--font-sm);
    }

    /* Borne row */
    .picker-row {
      display: grid;
      grid-template-columns: 8px 1fr auto;
      gap: 0;
      padding: 12px 10px 12px 0;
      border-bottom: 1px solid var(--border);
      transition: background .15s;
    }
    .picker-row:hover { background: rgba(240, 165, 0, .04); }
    .picker-row.in-other { background: rgba(58, 155, 213, .05); }
    .picker-row.selected { background: rgba(240, 165, 0, .10); }

    .picker-row-bar {
      width: 4px;
      border-radius: 2px;
      align-self: stretch;
    }
    .picker-row-bar.libre   { background: transparent; }
    .picker-row-bar.in-other{ background: var(--blue); }
    .picker-row-bar.selected{ background: var(--accent); }

    .picker-row-info {
      padding: 0 10px 0 12px;
      min-width: 0;
    }
    .picker-row-id-wrap {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .picker-row-id {
      font-family: 'IBM Plex Mono', monospace;
      font-size: var(--font-sm);
      font-weight: 700;
      color: var(--text);
      letter-spacing: .02em;
    }
    .picker-row-position {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--accent);
      color: #0d1117;
      font-family: var(--font-head);
      font-size: 12px;
      font-weight: 800;
    }
    .picker-row-fill {
      display: inline-block;
      padding: 1px 7px;
      border-radius: 10px;
      font-family: var(--font-head);
      font-weight: 700;
      font-size: 11px;
      letter-spacing: .04em;
    }
    .picker-row-fill.high { background: rgba(227, 0, 27, .20); color: #ff8a96; }
    .picker-row-fill.med  { background: rgba(240, 165, 0, .20); color: var(--accent); }

    .picker-row-meta {
      margin-top: 4px;
      color: var(--text-medium);
      font-size: var(--font-xs);
      line-height: 1.4;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .picker-row-flag {
      margin-top: 6px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 3px 8px;
      background: rgba(58, 155, 213, .15);
      color: var(--blue);
      border-radius: 5px;
      font-size: var(--font-xs);
      font-weight: 600;
      cursor: pointer;
      border: none;
      font-family: var(--font-body);
      transition: background .15s;
    }
    .picker-row-flag:hover { background: rgba(58, 155, 213, .25); }
    .picker-row-flag:focus-visible {
      outline: 2px solid var(--blue);
      outline-offset: 2px;
    }

    .picker-row-actions {
      display: flex;
      gap: 4px;
      align-items: flex-start;
      padding-top: 2px;
      padding-right: 6px;
    }
    .picker-icon-btn {
      width: var(--tap-min);
      height: var(--tap-min);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--surface-2);
      color: var(--text);
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 17px;
      cursor: pointer;
      transition: background .15s, border-color .15s, color .15s;
    }
    .picker-icon-btn:hover { background: #252d3b; border-color: var(--accent); color: var(--accent); }
    .picker-icon-btn:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }
    .picker-icon-btn.active {
      background: var(--accent);
      color: #0d1117;
      border-color: var(--accent);
    }
    .picker-icon-btn.active:hover {
      background: #ffbd3d;
      color: #0d1117;
    }
    .picker-icon-btn .label-text {
      display: none;
    }

    /* Floating "modèle utilisateur" popup card on the map */
    .modele-card {
      position: absolute;
      top: 16px;
      right: 16px;
      z-index: 500;
      width: 320px;
      max-width: calc(100% - 32px);
      background: var(--surface);
      border: 1px solid var(--accent);
      border-radius: 10px;
      padding: 16px 18px 14px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, .55);
      font-family: var(--font-body);
    }
    .modele-card-close {
      position: absolute;
      top: 8px;
      right: 8px;
      width: 32px;
      height: 32px;
      background: transparent;
      border: none;
      color: var(--text-medium);
      font-size: 22px;
      line-height: 1;
      cursor: pointer;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .modele-card-close:hover { background: var(--surface-2); color: var(--accent); }
    .modele-card-close:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }
    .modele-card-title {
      color: var(--accent);
      font-family: var(--font-head);
      font-size: var(--font-md);
      font-weight: 700;
      letter-spacing: .02em;
      padding-right: 30px;
    }
    .modele-card-meta {
      color: var(--text-medium);
      font-size: var(--font-xs);
      margin-top: 6px;
      line-height: 1.5;
    }
    .modele-card-meta strong {
      color: var(--text);
      font-weight: 700;
    }
    .modele-card-actions {
      margin-top: 12px;
      display: flex;
      gap: 8px;
    }
    .modele-card-btn {
      flex: 1;
      min-height: 40px;
      padding: 0 12px;
      background: var(--surface-2);
      color: var(--text);
      border: 1px solid var(--border);
      border-radius: 6px;
      font-family: var(--font-head);
      font-weight: 600;
      font-size: var(--font-xs);
      cursor: pointer;
      transition: background .15s, border-color .15s;
    }
    .modele-card-btn:hover { background: #252d3b; border-color: var(--accent); }
    .modele-card-btn.primary { background: var(--accent); color: #0d1117; border-color: var(--accent); }
    .modele-card-btn.primary:hover { background: #ffbd3d; }
    .modele-card-btn:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    /* Marker variants — three states */
    .builder-marker.libre {
      width: 18px;
      height: 18px;
      background: var(--accent);
      color: transparent;
      border: 2px solid #0d1117;
      box-shadow: 0 1px 3px rgba(0, 0, 0, .5);
    }
    .builder-marker.libre::after {
      content: '';
      position: absolute;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #0d1117;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }
    .builder-marker.in-other {
      width: 22px;
      height: 22px;
      background: var(--accent);
      color: transparent;
      border: 2px solid #0d1117;
      box-shadow: 0 0 0 3px var(--blue), 0 1px 3px rgba(0, 0, 0, .55);
    }
    .builder-marker.in-other::after {
      content: '';
      position: absolute;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #0d1117;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }
    .builder-marker.selected {
      width: 32px;
      height: 32px;
      background: var(--accent);
      color: #0d1117;
      border: 3px solid #0d1117;
      box-shadow: 0 2px 6px rgba(0, 0, 0, .55);
      font-family: var(--font-head);
      font-weight: 700;
      font-size: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .builder-marker.libre.asso    { background: #9b59b6; }
    .builder-marker.in-other.asso { background: #9b59b6; }
    .builder-marker.selected.asso { background: #9b59b6; color: #fff; }

    /* Tighter borne rows on phone */
    @media (max-width: 600px) {
      .picker-row { padding: 10px 6px 10px 0; }
      .picker-row-info { padding: 0 8px 0 10px; }
      .picker-row-actions { gap: 2px; padding-right: 4px; }
      .picker-icon-btn { font-size: 16px; }
    }

    /* Cross-tab highlight when "Voir dans Programme" jumps to a modèle.
       Repeats 3× with a fast-then-fade cadence so the eye has time to find it
       after travelling from the top-right pill location. Total ≈ 4.2s. */
    @keyframes modele-flash {
      0%, 100% { box-shadow: 0 0 0 0 rgba(240, 165, 0, 0); }
      30%      { box-shadow: 0 0 0 4px rgba(240, 165, 0, .75); }
    }
    [data-modele-id].flash {
      animation: modele-flash 1.4s ease-in-out 3;
      border-radius: 8px;
    }

    /* Floating "← Retour au modèle" pill — appears when builder is suspended.
       The user is browsing Programme to inspect a conflicting modèle but their
       in-progress builder state is preserved; one click brings them right back. */
    .builder-resume-pill {
      position: fixed;
      top: 84px;
      right: 24px;
      z-index: 900;
      display: none;
      align-items: center;
      gap: 10px;
      min-height: var(--tap-min);
      padding: 0 18px;
      background: var(--accent);
      color: #0d1117;
      border: 2px solid #0d1117;
      border-radius: 24px;
      box-shadow: 0 4px 14px rgba(240, 165, 0, .35), 0 2px 6px rgba(0, 0, 0, .4);
      font-family: var(--font-head);
      font-weight: 700;
      font-size: var(--font-sm);
      letter-spacing: .03em;
      cursor: pointer;
      transition: transform .15s, box-shadow .15s;
    }
    .builder-resume-pill.visible { display: inline-flex; }
    /* Sonar ring — grows outward and fades, repeats slowly. Soft and peripheral. */
    .builder-resume-pill.visible::before {
      content: '';
      position: absolute;
      inset: -2px;
      border-radius: 26px;
      border: 2px solid var(--accent);
      opacity: 0;
      pointer-events: none;
      animation: pill-sonar 2.6s ease-out infinite;
    }
    @keyframes pill-sonar {
      0%   { opacity: .85; transform: scale(1);    }
      80%  { opacity: 0;   transform: scale(1.18); }
      100% { opacity: 0;   transform: scale(1.18); }
    }
    .builder-resume-pill:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(240, 165, 0, .5), 0 3px 8px rgba(0, 0, 0, .5);
    }
    .builder-resume-pill:focus-visible {
      outline: 3px solid #fff;
      outline-offset: 2px;
    }
    .builder-resume-pill .pill-count {
      background: rgba(13, 17, 23, .25);
      padding: 2px 10px;
      border-radius: 14px;
      font-weight: 800;
      font-family: 'IBM Plex Mono', monospace;
      font-size: 13px;
    }
    /* Respect users who've asked their OS to reduce motion */
    @media (prefers-reduced-motion: reduce) {
      .builder-resume-pill.visible::before { animation: none; }
      [data-modele-id].flash { animation: none; outline: 3px solid var(--accent); }
    }
    @media (max-width: 600px) {
      .builder-resume-pill {
        top: auto;
        bottom: 16px;
        right: 16px;
        left: 16px;
        justify-content: center;
      }
    }

    /* ════════════════════════════════════════════════════════════════════════
       v43 Step 4 — Modèle cart sidebar (third tab)
       ════════════════════════════════════════════════════════════════════════ */