:root{--blue:#173879;--green:#009846;--red:#e52421;--ink:#172033;--muted:#697386;--line:#e4e8ef;--surface:#fff;--bg:#f5f7fb;--radius:18px;--shadow:0 12px 35px rgba(19,42,84,.11)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Arial,"Noto Sans Arabic",sans-serif;padding-bottom:118px}.topbar{height:76px;background:linear-gradient(108deg,var(--blue) 0 54%,#075f66 78%,var(--green));color:#fff;display:flex;align-items:center;justify-content:space-between;padding:10px max(18px,calc((100vw - 1260px)/2));position:sticky;top:0;z-index:20;box-shadow:0 5px 24px rgba(13,31,67,.18)}.brand{display:flex;align-items:center;gap:12px}.brand img{width:52px;height:52px;object-fit:contain;background:#fff;border-radius:13px;padding:5px}.brand strong{display:block;font-size:18px}.brand span{display:block;font-size:13px;opacity:.78;margin-top:2px}.topbar select{border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.14);color:#fff;border-radius:12px;padding:9px 10px;font-weight:700}.topbar option{color:#111}main{max-width:1260px;margin:auto;padding:22px 18px 48px}.controls{background:#fff;border:1px solid var(--line);border-radius:22px;padding:16px;box-shadow:0 4px 18px rgba(25,41,70,.05)}.customer-switch{display:grid;grid-template-columns:1fr 1fr;background:#edf1f6;border-radius:15px;padding:4px;max-width:560px}.customer-switch button{border:0;background:transparent;border-radius:12px;padding:11px;color:var(--muted);font:inherit;font-weight:800;cursor:pointer}.customer-switch button small{display:block;font-size:11px;font-weight:600;margin-top:2px}.customer-switch button.active{background:#fff;color:var(--blue);box-shadow:0 2px 9px rgba(15,37,78,.12)}.search{height:50px;border:1px solid var(--line);border-radius:14px;margin-top:14px;display:flex;align-items:center;padding:0 15px;gap:10px;background:#fafbfd}.search span{font-size:28px;color:var(--muted);transform:rotate(-15deg)}.search input{border:0;outline:0;background:transparent;width:100%;font:inherit;font-size:16px}.categories{display:flex;gap:8px;overflow-x:auto;padding-top:14px;scrollbar-width:none}.categories::-webkit-scrollbar{display:none}.categories button{white-space:nowrap;border:1px solid var(--line);background:#fff;color:#4c5668;border-radius:999px;padding:9px 14px;font:inherit;font-size:14px;font-weight:700;cursor:pointer}.categories button.active{background:var(--blue);border-color:var(--blue);color:#fff}.catalogue-heading{display:flex;align-items:end;justify-content:space-between;margin:26px 2px 14px}.catalogue-heading h1{font-size:27px;margin:0}.catalogue-heading p{margin:5px 0 0;color:var(--muted);font-size:14px}.install{border:1px solid var(--green);color:var(--green);background:#fff;border-radius:12px;padding:9px 13px;font-weight:800}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;min-width:0;transition:.2s ease}.product-card.has-items{border-color:rgba(0,152,70,.5);box-shadow:0 8px 24px rgba(0,152,70,.1)}.product-image{height:175px;background:linear-gradient(145deg,#fff,#f4f7f5);display:flex;align-items:center;justify-content:center;padding:10px;position:relative}.product-image img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}.product-image .fallback{width:82px;height:82px;opacity:.18}.code{position:absolute;top:10px;left:10px;background:rgba(23,56,121,.08);color:var(--blue);padding:5px 8px;border-radius:8px;font-size:11px;font-weight:800}.product-body{padding:14px;display:flex;flex-direction:column;flex:1}.product-body h2{font-size:16px;line-height:1.3;margin:0;min-height:41px}.size{font-size:12px;color:var(--muted);margin:4px 0 12px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin-top:auto}.metrics span{background:#f4f6fa;border-radius:9px;padding:7px;text-align:center}.metrics small{display:block;color:var(--muted);font-size:10px}.metrics strong{font-size:13px;color:var(--blue)}.metrics.retail{grid-template-columns:1fr}.quantity{display:grid;grid-template-columns:42px 1fr 42px;gap:7px;align-items:center;margin-top:12px}.quantity button{height:40px;border:1px solid var(--line);background:#fff;border-radius:11px;font-size:22px;color:var(--blue);cursor:pointer}.quantity output{text-align:center;font-size:18px;font-weight:900}.quantity button.plus{background:var(--green);border-color:var(--green);color:white}.empty{text-align:center;padding:70px 20px;color:var(--muted)}.empty strong,.empty span{display:block}.empty strong{color:var(--ink);font-size:20px;margin-bottom:6px}.summary{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 28px rgba(21,37,66,.12);padding:12px max(18px,calc((100vw - 1260px)/2));display:flex;align-items:center;gap:18px}.summary-totals{display:grid;grid-template-columns:repeat(4,minmax(70px,1fr));gap:10px;flex:1}.summary-totals span{border-right:1px solid var(--line)}.summary-totals span:last-child{border:0}.summary-totals small{display:block;color:var(--muted);font-size:11px}.summary-totals strong{display:block;font-size:16px;margin-top:2px}.primary,.secondary{border:0;border-radius:13px;padding:13px 18px;font:inherit;font-weight:900;cursor:pointer}.primary{background:linear-gradient(110deg,var(--blue),#2054a9);color:#fff}.primary:disabled{opacity:.42;cursor:not-allowed}.secondary{background:#eef1f5;color:var(--ink)}dialog{width:min(680px,calc(100% - 24px));max-height:90vh;border:0;border-radius:24px;padding:0;box-shadow:0 30px 90px rgba(10,24,54,.35)}dialog::backdrop{background:rgba(8,17,36,.62);backdrop-filter:blur(3px)}.dialog-card{padding:20px}.dialog-card>header{display:flex;justify-content:space-between;align-items:start}.dialog-card h2{margin:3px 0 0}.dialog-card header small{color:var(--muted)}.close{border:0;background:#eef1f5;border-radius:50%;width:38px;height:38px;font-size:24px}.customer-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.customer-fields label:first-child{grid-column:span 2}.customer-fields span{display:block;font-size:12px;color:var(--muted);margin:0 0 5px 4px}.customer-fields input{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px;font:inherit}.order-lines{border-top:1px solid var(--line);max-height:35vh;overflow:auto}.order-line{display:grid;grid-template-columns:1fr auto;gap:12px;padding:11px 2px;border-bottom:1px solid var(--line)}.order-line strong{font-size:14px}.order-line small{display:block;color:var(--muted);margin-top:3px}.dialog-total{background:linear-gradient(115deg,#eef4ff,#effaf4);border-radius:14px;padding:14px;margin-top:14px;display:flex;gap:18px;flex-wrap:wrap}.dialog-total span{font-weight:800}.dialog-card footer{display:flex;justify-content:flex-end;gap:9px;margin-top:16px}[dir=rtl] .code{left:auto;right:10px}[dir=rtl] .summary-totals span{border-right:0;border-left:1px solid var(--line)}
@media(max-width:920px){.product-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:680px){body{padding-bottom:132px}.topbar{height:70px}.brand img{width:46px;height:46px}.brand strong{font-size:16px}main{padding:14px 12px 38px}.controls{padding:12px;border-radius:17px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.product-image{height:145px}.product-body{padding:11px}.product-body h2{font-size:14px;min-height:37px}.metrics{grid-template-columns:repeat(3,1fr);gap:3px}.metrics span{padding:6px 2px}.metrics strong{font-size:11px}.quantity{grid-template-columns:38px 1fr 38px}.summary{display:block;padding:10px 12px}.summary-totals{gap:5px;margin-bottom:8px}.summary-totals strong{font-size:13px}.summary .primary{width:100%;padding:11px}.customer-fields{grid-template-columns:1fr}.customer-fields label:first-child{grid-column:auto}.dialog-card{padding:16px}}
@media(max-width:380px){.product-grid{grid-template-columns:1fr}.product-image{height:190px}}