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1.5rem;cursor:pointer;color:#7f8c8d;border-bottom:2px solid transparent;margin-bottom:-2px}.tabs button.active{color:#3498db;border-bottom-color:#3498db}.filters{display:flex;gap:.5rem;margin-bottom:1.5rem}.filters button{padding:.5rem 1rem;background-color:#ecf0f1;color:#2c3e50}.filters button.active{background-color:#3498db;color:#fff}.loading{text-align:center;padding:2rem;font-size:1.2rem;color:#7f8c8d}.customer-profile,.customer-form,.new-customer,.order-list,.order-detail,.estimate-list,.estimate-form,.estimate-summary,.order-form,.bol-form{padding:2rem;max-width:1200px;margin:0 auto;background:white;border-radius:8px}.customer-list{padding:2rem;max-width:1200px;margin:0 auto}