/* CCS FAB Core — Gang Sheet Builder product-page modal (from Code Snippet #25) */
#gsb-modal{display:none;position:fixed;inset:0;z-index:999999;background:rgba(0,0,0,0.7);backdrop-filter:blur(4px);overflow:hidden;}
#gsb-modal.gsb-modal-open{display:flex;flex-direction:column;}
#gsb-modal .gsb-modal-header{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#fff;border-bottom:1px solid #e5e7eb;box-shadow:0 1px 3px rgba(0,0,0,0.1);}
#gsb-modal .gsb-modal-header h3{margin:0;font-size:16px;font-weight:600;color:#222;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;}
#gsb-modal .gsb-modal-close{background:none;border:1px solid #e5e7eb;border-radius:8px;width:38px;height:38px;font-size:20px;cursor:pointer;color:#666;display:flex;align-items:center;justify-content:center;transition:all 0.15s;}
#gsb-modal .gsb-modal-close:hover{background:#fee2e2;color:#dc2626;border-color:#fca5a5;}
#gsb-modal .gsb-modal-body{flex:1 1 auto;overflow-y:auto;background:#f3f4f6;padding:0;}
#gsb-modal .gsb-modal-body .gsb-builder{max-width:1500px!important;margin:0 auto!important;padding:20px!important;}
/* Hide product header/breadcrumb inside modal since we have the modal header */
#gsb-modal .gsb-modal-body .gsb-builder > div:first-child:not(.gsb-layout){display:none!important;}
/* Prevent body scroll when modal is open */
body.gsb-modal-active{overflow:hidden!important;}