/* v2.1.15 three-module redesign */
.wistor-v2115-parts .wistor-parts-workbench{display:grid;grid-template-columns:280px minmax(0,1fr);gap:16px;align-items:start}
.wistor-parts-sidebar,.wistor-submodel-list-card,.wistor-submodel-detail-card{min-width:0}
.wistor-panel-title{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}
.wistor-panel-title p,.wistor-series-workbench .toolbar p{margin:4px 0 0;color:#6b7280;font-size:12px}
.wistor-category-list,.wistor-submodel-list{display:flex;flex-direction:column;gap:8px;max-height:620px;overflow:auto}
.wistor-category-card,.wistor-submodel-row{appearance:none;border:1px solid #e5e7eb;background:#fff;border-radius:8px;padding:10px 12px;text-align:left;display:grid;gap:4px;cursor:pointer;color:#111827}
.wistor-category-card.active,.wistor-submodel-row:hover,.wistor-series-card.active{border-color:#2f6bff;box-shadow:0 0 0 2px rgba(47,107,255,.10)}
.wistor-category-card span,.wistor-submodel-row span{font-weight:650}
.wistor-category-card small,.wistor-submodel-row small{color:#6b7280}
.wistor-sidebar-actions{display:flex;gap:8px;margin-top:12px}
.wistor-v2115-submodels .wistor-series-rail{display:flex;gap:12px;overflow-x:auto;padding:2px 2px 8px}
.wistor-series-add{width:44px;min-width:44px;border:1px dashed #b8c3d9;border-radius:8px;background:#f8fafc;font-size:24px;color:#2f6bff;cursor:pointer}
.wistor-series-card{min-width:240px;border:1px solid #e5e7eb;border-radius:8px;padding:12px;background:#fff;display:flex;flex-direction:column;gap:8px;cursor:pointer}
.wistor-series-card-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.wistor-series-card small{color:#6b7280}
.wistor-submodel-workspace{display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:16px}
.wistor-submodel-guide{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.wistor-submodel-guide>div,.wistor-submodel-empty{border:1px solid #e5e7eb;border-radius:8px;padding:14px;background:#f9fafb}
.wistor-submodel-guide p,.wistor-submodel-empty p{margin:6px 0 0;color:#6b7280}
.wistor-v2115-quote .quote-meta-strip{margin-bottom:14px}
@media (max-width:1100px){.wistor-v2115-parts .wistor-parts-workbench,.wistor-submodel-workspace{grid-template-columns:1fr}.wistor-submodel-guide{grid-template-columns:1fr}}