/* =========================================================
   MASTER BRIDGE — SYSTEM 5.3.4.2
   PAGE BUILDER WORKSPACE UI
   Additive layer. Existing design untouched.
========================================================= */
.mb-pbw-modal{position:fixed;inset:0;z-index:999999;background:rgba(15,23,42,.52);display:none;padding:20px;box-sizing:border-box}
.mb-pbw-modal.is-open{display:flex;align-items:center;justify-content:center}
.mb-pbw-dialog{width:min(1400px,98vw);height:min(860px,94vh);background:#f8fafc;border-radius:14px;box-shadow:0 25px 70px rgba(15,23,42,.28);overflow:hidden;display:flex;flex-direction:column;font-family:Inter,Arial,sans-serif;color:#0f172a}
.mb-pbw-top{height:68px;background:#fff;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;justify-content:space-between;padding:0 22px;box-sizing:border-box;flex:none}
.mb-pbw-title{font-size:20px;font-weight:700;line-height:1.2;margin:0}
.mb-pbw-sub{font-size:12px;color:#64748b;margin-top:5px}
.mb-pbw-close{border:0;background:transparent;color:#475569;font-size:28px;line-height:1;cursor:pointer;padding:4px 8px}
.mb-pbw-close:hover{color:#1e40af}
.mb-pbw-info{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding:14px 16px;background:#f8fafc;border-bottom:1px solid #e2e8f0;flex:none}
.mb-pbw-info-card{background:#fff;border:1px solid #dbe4ef;border-radius:10px;padding:10px 12px;min-width:0}
.mb-pbw-label{font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#64748b}
.mb-pbw-value{font-size:13px;font-weight:700;color:#1e293b;margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mb-pbw-workspace{display:grid;grid-template-columns:220px minmax(0,1fr) 250px;min-height:0;flex:1}
.mb-pbw-left,.mb-pbw-right{background:#fff;overflow:auto}
.mb-pbw-left{border-right:1px solid #e2e8f0;padding:14px}
.mb-pbw-right{border-left:1px solid #e2e8f0;padding:14px}
.mb-pbw-canvas-wrap{overflow:auto;background:#eef2f6;padding:20px}
.mb-pbw-group{margin-bottom:18px}
.mb-pbw-group-title{font-size:10px;font-weight:800;letter-spacing:.08em;color:#64748b;margin:0 0 8px;text-transform:uppercase}
.mb-pbw-tool{width:100%;display:flex;align-items:center;gap:9px;border:1px solid #e2e8f0;background:#fff;border-radius:8px;padding:9px 10px;margin-bottom:7px;text-align:left;color:#1e293b;font-size:12px;font-weight:600;cursor:default;box-sizing:border-box}
.mb-pbw-tool-icon{width:24px;height:24px;border-radius:6px;background:#eff6ff;color:#1d4ed8;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex:none}
.mb-pbw-page{max-width:920px;margin:0 auto;background:#fff;border:1px solid #dbe4ef;box-shadow:0 8px 24px rgba(15,23,42,.07);min-height:420px}
.mb-pbw-page-head{padding:14px 18px;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;justify-content:space-between;background:#fff}
.mb-pbw-page-head-title{font-size:12px;font-weight:800;color:#334155}
.mb-pbw-page-head-meta{font-size:10px;color:#64748b}
.mb-pbw-section{border:1px dashed #94a3b8;margin:14px;background:#fff;position:relative}
.mb-pbw-section.archived{opacity:.55}
.mb-pbw-section-head{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;background:#eff6ff;border-bottom:1px solid #dbeafe}
.mb-pbw-section-name{font-size:12px;font-weight:800;color:#1e40af}
.mb-pbw-status{font-size:9px;font-weight:800;text-transform:uppercase;padding:3px 6px;border-radius:999px;background:#dcfce7;color:#166534}
.mb-pbw-status.archived{background:#f1f5f9;color:#64748b}
.mb-pbw-box{margin:12px;border:1px solid #cbd5e1;background:#fff}
.mb-pbw-box-head{padding:7px 10px;background:#f8fafc;border-bottom:1px solid #e2e8f0;font-size:11px;font-weight:700;color:#334155}
.mb-pbw-columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;padding:10px}
.mb-pbw-column{min-height:90px;border:1px dashed #cbd5e1;border-radius:7px;padding:8px;background:#fff}
.mb-pbw-column-head{font-size:10px;font-weight:800;color:#64748b;margin-bottom:8px}
.mb-pbw-element{border:1px solid #dbe4ef;border-radius:6px;background:#fff;padding:8px;margin-bottom:6px}
.mb-pbw-element:last-child{margin-bottom:0}
.mb-pbw-element-type{display:inline-block;font-size:8px;text-transform:uppercase;font-weight:800;color:#1d4ed8;background:#eff6ff;padding:2px 5px;border-radius:4px;margin-bottom:4px}
.mb-pbw-element-name{font-size:11px;font-weight:700;color:#1e293b}
.mb-pbw-empty{padding:55px 20px;text-align:center;color:#64748b;font-size:13px}
.mb-pbw-right-card{border:1px solid #e2e8f0;border-radius:9px;background:#fff;padding:12px;margin-bottom:10px}
.mb-pbw-right-title{font-size:12px;font-weight:800;margin-bottom:6px}
.mb-pbw-right-text{font-size:11px;line-height:1.55;color:#64748b}
.mb-pbw-tree{font-size:11px}
.mb-pbw-tree-item{padding:6px 0;border-bottom:1px solid #f1f5f9;color:#334155}
.mb-pbw-tree-item:last-child{border-bottom:0}
.mb-pbw-tree-indent{padding-left:14px}
.mb-pbw-loading,.mb-pbw-error{padding:50px;text-align:center;color:#64748b}
.mb-pbw-error{color:#b91c1c}
@media(max-width:1050px){.mb-pbw-workspace{grid-template-columns:190px minmax(0,1fr)}.mb-pbw-right{display:none}}
@media(max-width:700px){.mb-pbw-modal{padding:0}.mb-pbw-dialog{width:100vw;height:100vh;border-radius:0}.mb-pbw-info{grid-template-columns:repeat(2,minmax(0,1fr))}.mb-pbw-workspace{grid-template-columns:1fr}.mb-pbw-left{display:none}.mb-pbw-canvas-wrap{padding:10px}}