:root{--primary:#115e59;--primary-light:#0f766e;--primary-dark:#115e59;--secondary:#0f3460;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--red-50:#fef2f2;--red-500:#ef4444;--red-600:#dc2626;--green-50:#ecfdf5;--green-500:#10b981;--green-600:#059669;--yellow-50:#fffbeb;--yellow-500:#f59e0b;--orange-500:#f97316}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--gray-100);color:var(--gray-900);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Hind Siliguri,sans-serif;overflow:hidden}.app-container{flex-direction:column;width:100%;height:100vh;display:flex;overflow:hidden}.menu-scroll::-webkit-scrollbar{display:none}.menu-scroll{-ms-overflow-style:none;scrollbar-width:none}.header{background:var(--primary);color:#fff;justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.header-left{align-items:center;gap:16px;display:flex}.header-logo{background:#fff3;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;font-size:24px;display:flex}.header-title h1{margin:0;font-size:20px;font-weight:700}.header-title span{opacity:.9;font-size:14px}.header-right{align-items:center;gap:8px;display:flex}.header-btn{color:#fff;cursor:pointer;background:#ffffff1a;border:1px solid #ffffff4d;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;transition:all .2s;display:flex}.header-btn:hover{background:#fff3}.time-display{text-align:right;padding-left:16px}.time-display .time{font-size:14px;font-weight:600}.time-display .date{opacity:.8;font-size:12px}.menu-bar{border-bottom:1px solid var(--gray-200);background:#fff;align-items:center;gap:4px;padding:8px 20px;display:flex;overflow-x:auto}.menu-btn{color:var(--gray-600);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:8px;align-items:center;gap:6px;padding:10px 16px;font-size:15px;font-weight:500;transition:all .2s;display:flex}.menu-btn:hover{background:var(--gray-100);color:var(--primary)}.menu-btn.active{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);color:#fff;box-shadow:0 2px 8px #0f766e4d}.menu-btn .icon{font-size:18px}.content{flex:1;width:100%;padding:16px;overflow:auto}.card{border:1px solid var(--gray-200);background:#fff;border-radius:12px;padding:16px;box-shadow:0 1px 3px #00000014}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--gray-100);color:var(--gray-700);border:1px solid var(--gray-300)}.btn-secondary:hover{background:var(--gray-200)}.btn-success{background:var(--green-500);color:#fff}.btn-danger{background:var(--red-500);color:#fff}.btn-warning{background:var(--yellow-500);color:#fff}.btn-orange{background:var(--orange-500);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:12px 24px;font-size:16px}.btn-block{justify-content:center;width:100%}.input{border:2px solid var(--gray-200);background:#fff;border-radius:10px;outline:none;width:100%;padding:10px 14px;font-size:15px;transition:border-color .2s;font-family:Hind Siliguri,system-ui,-apple-system,sans-serif!important}.input:focus{border-color:var(--primary)!important}.input-lg{padding:14px 16px;font-size:16px}.label{color:var(--gray-700);margin-bottom:6px;font-size:14px;font-weight:600;display:block}.barcode-input,input[placeholder*=বারকোড],input[placeholder*=barcode],input[placeholder*=Scan]{background:#fff!important;border:1px solid #c9c9c9!important;border-radius:8px!important;height:34px!important;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Hind Siliguri,sans-serif!important}.table-container{background:#fff;border-radius:12px;overflow-x:auto;box-shadow:0 1px 3px #00000014}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--gray-100);padding:12px 16px}th{background:var(--gray-50);color:var(--gray-600);text-transform:uppercase;font-size:13px;font-weight:600}tr:hover{background:var(--gray-50)}.modal-overlay{z-index:200;background:#00000073;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:16px;width:100%;max-width:500px;max-height:90vh;overflow:auto;box-shadow:0 25px 50px #00000040}.modal-header{border-bottom:1px solid var(--gray-200);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-header h3{margin:0;font-size:18px;font-weight:700}.modal-close{color:#fff;cursor:pointer;background:#dc2626;border:none;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;font-weight:700;display:flex}.modal-body{padding:20px}.modal-footer{border-top:1px solid var(--gray-200);justify-content:flex-end;gap:12px;padding:16px 20px;display:flex}.form-group{margin-bottom:16px}.badge{border-radius:20px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge-success{background:var(--green-50);color:var(--green-600)}.badge-danger{background:var(--red-50);color:var(--red-600)}.badge-warning{background:var(--yellow-50);color:var(--yellow-500)}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;display:grid}.stat-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 1px 3px #00000014}.stat-card .label{color:var(--gray-500);font-size:13px}.stat-card .value{font-size:28px;font-weight:700}.stat-card .sub{color:var(--gray-400);margin-top:4px;font-size:13px}.loading{background:var(--secondary);color:#fff;flex-direction:column;justify-content:center;align-items:center;height:100vh;display:flex}.loading-spinner{border:4px solid #fff3;border-top-color:#fff;border-radius:50%;width:60px;height:60px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading h3{margin-top:16px;font-size:18px;font-weight:700}.pos-layout{flex:1;height:calc(100vh - 120px);display:flex;overflow:hidden}.pos-sidebar{border-right:1px solid var(--gray-200);background:#fff;width:200px;padding:12px;overflow-y:auto}.pos-main{background:var(--gray-50);flex-direction:column;flex:1;display:flex;overflow:hidden}.pos-cart{border-left:1px solid var(--gray-200);background:#fff;flex-direction:column;width:340px;display:flex}.cart-header{border-bottom:1px solid var(--gray-200);justify-content:space-between;align-items:center;padding:12px 16px;font-weight:600;display:flex}.cart-items{flex:1;padding:12px;overflow-y:auto}.cart-item{background:var(--gray-50);border-radius:8px;align-items:center;gap:10px;margin-bottom:8px;padding:10px;display:flex}.cart-item-info{flex:1}.cart-item-name{font-size:14px;font-weight:600}.cart-item-price{color:var(--gray-500);font-size:13px}.cart-item-total{color:var(--primary);text-align:right;min-width:70px;font-weight:700}.qty-btn{border:1px solid var(--gray-300);cursor:pointer;background:#fff;border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;font-weight:600;display:flex}.qty-btn:hover{background:var(--gray-100)}.cart-footer{border-top:1px solid var(--gray-200);background:var(--gray-50);padding:16px}.cart-summary{margin-bottom:16px}.cart-summary-row{justify-content:space-between;padding:6px 0;font-size:14px;display:flex}.cart-summary-row.total{border-top:2px solid var(--gray-300);color:var(--primary);margin-top:8px;padding-top:10px;font-size:18px;font-weight:700}.product-grid{flex:1;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;padding:12px;display:grid;overflow-y:auto}.product-card{border:2px solid var(--gray-200);text-align:center;cursor:pointer;background:#fff;border-radius:12px;padding:16px;transition:all .2s}.product-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px #0f766e26}.product-card.out-of-stock{opacity:.5;cursor:not-allowed}.product-card-image{margin-bottom:8px;font-size:36px}.product-card-name{white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-size:13px;font-weight:600;overflow:hidden}.product-card-price{color:var(--primary);font-size:16px;font-weight:700}.product-card-stock{color:var(--gray-400);margin-top:4px;font-size:12px}.category-list{list-style:none}.category-item{cursor:pointer;border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:4px;padding:10px 12px;font-size:14px;transition:all .2s;display:flex}.category-item:hover{background:var(--gray-100)}.category-item.active{background:var(--primary);color:#fff}.category-count{background:var(--gray-200);border-radius:12px;padding:2px 8px;font-size:12px}.category-item.active .category-count{background:#fff3}.search-bar{border-bottom:1px solid var(--gray-200);background:#fff;padding:12px 16px}.search-input{border:2px solid var(--gray-200);background:var(--gray-50);border-radius:10px;outline:none;width:100%;padding:10px 14px;font-size:15px}.search-input:focus{border-color:var(--primary);background:#fff}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--gray-400)}.empty-state{text-align:center;color:var(--gray-400);flex-direction:column;justify-content:center;align-items:center;padding:48px;display:flex}.empty-state-icon{margin-bottom:16px;font-size:48px}.tabs{background:var(--gray-100);border-radius:10px;gap:4px;padding:8px;display:flex}.tab{color:var(--gray-600);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .2s}.tab:hover{background:var(--gray-200)}.tab.active{background:var(--primary);color:#fff}.text-center{text-align:center}.text-right{text-align:right}.text-primary{color:var(--primary)}.text-success{color:var(--green-500)}.text-danger{color:var(--red-500)}.text-muted{color:var(--gray-400)}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mb-1{margin-bottom:4px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}.p-2{padding:8px}.p-3{padding:12px}.p-4{padding:16px}.flex{display:flex}.flex-col{flex-direction:column}.flex-1{flex:1}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}.w-full{width:100%}.h-full{height:100%}.font-bold{font-weight:700}.font-semibold{font-weight:600}.rounded{border-radius:8px}.rounded-lg{border-radius:12px}.shadow{box-shadow:0 1px 3px #0000001a}.shadow-lg{box-shadow:0 4px 12px #00000026}.overflow-auto{overflow:auto}.overflow-hidden{overflow:hidden}.cursor-pointer{cursor:pointer}select:focus{outline-offset:2px;outline:2px solid #115e59}