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var(--border);z-index:10;flex-shrink:0;min-height:52px}.layout-toolbar-left,.layout-toolbar-right{display:flex;align-items:center;gap:6px}.layout-toolbar-sep{width:1px;height:20px;background:var(--border-strong);margin:0 6px}.layout-tool-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;font-size:12px;font-weight:600;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--t-fast);background:transparent}.layout-tool-btn:hover{background:var(--bg);color:var(--text)}.layout-tool-btn:active{background:var(--bg-warm)}.layout-tool-export{background:var(--accent-glow);color:var(--accent)}.layout-tool-export:hover{background:var(--accent-gradient);color:#fff}.layout-tool-3d{background:linear-gradient(135deg,#5b9bd5,#3a7bbf);color:#fff!important;box-shadow:0 2px 12px #5b9bd540}.layout-tool-3d:hover{box-shadow:0 4px 20px #5b9bd566;transform:translateY(-1px)}.layout-tool-3d.active-3d{background:linear-gradient(135deg,#e8b931,#c9a02c);box-shadow:0 2px 12px 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var(--border)}.props-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:2px}.props-subtitle{font-size:11px;color:var(--text-tertiary);text-transform:capitalize}.props-section{padding:14px 16px;border-bottom:1px solid var(--border)}.props-section-title{font-size:9px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:10px}.props-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.props-row label{font-size:12px;color:var(--text-secondary);font-weight:500}.props-input{width:80px;padding:5px 10px;font-size:12px;font-weight:600;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);text-align:right;outline:none;font-family:Inter,sans-serif}.props-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px 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var(--border)}.props-btn-dup{color:var(--accent)}.props-btn-dup:hover{background:var(--accent-glow);border-color:#5b9bd533}.props-btn-config{color:var(--accent);background:var(--accent-glow);border-color:#5b9bd526}.props-btn-config:hover{background:var(--accent-gradient);color:#fff;border-color:transparent}.props-btn-delete{color:var(--boston-red)}.props-btn-delete:hover{background:var(--boston-red-light);border-color:#c0392b26}.props-info{background:var(--bg-elevated)}.props-info-text{font-size:12px;color:var(--text-secondary);line-height:1.5;margin-bottom:8px}.props-feature{font-size:11px;color:var(--text-tertiary);margin-bottom:4px;padding-left:4px}#main-footer{background:var(--bg-white);border-top:1px solid var(--border);padding:32px 24px 24px}.footer-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.footer-brand{display:flex;align-items:center;gap:6px}.footer-brand 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