:root{--red:#eb3344;--orange:#ff7b3d;--ink:#172033;--line:#dfe5ef;--bg:#eef2f7;--card:#fff}*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial;color:var(--ink);background:var(--bg)}button,input,select{font:inherit}.login-page{display:grid;place-items:center;background:linear-gradient(135deg,#8c1d0d,#ff6f3c)}.login-card{width:min(420px,92vw);background:#fff;border-radius:24px;padding:32px;box-shadow:0 24px 70px #0004}.login-card img{width:68px;display:block;margin:auto}.login-card h1{text-align:center;margin:12px 0 4px}.login-card p{text-align:center;color:#667085}.login-card label{display:grid;gap:6px;margin:16px 0;font-weight:700}.login-card input{padding:13px;border:1px solid var(--line);border-radius:12px}.login-card button,.checkout{width:100%;padding:14px;border:0;border-radius:14px;background:linear-gradient(90deg,var(--red),var(--orange));color:#fff;font-weight:900}.alert.error{background:#fff1f2;color:#b42318;padding:10px;border-radius:10px}.topbar{height:68px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:8px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:10px}.brand img{width:48px;height:48px;border-radius:12px}.brand div{display:grid}.brand small{color:#667085}.top-actions{display:flex;align-items:center;gap:8px}.top-actions button,.top-actions a{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;color:var(--ink);text-decoration:none;font-weight:700}.pill{padding:7px 10px;border-radius:999px;background:#ecfdf3;color:#027a48}.pos-grid{height:calc(100vh - 68px);display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:12px;padding:12px}.catalog,.cart{background:#fff;border-radius:18px;border:1px solid var(--line);overflow:hidden}.catalog{display:flex;flex-direction:column}.filters{display:grid;grid-template-columns:230px 1fr auto;gap:8px;padding:12px;border-bottom:1px solid var(--line)}.filters input,.filters select,.customer-search input,.summary input{border:1px solid var(--line);padding:11px;border-radius:11px}.filters button,.customer-search button{border:0;background:#172033;color:#fff;padding:10px 14px;border-radius:11px;font-weight:800}.categories{display:flex;gap:8px;overflow:auto;padding:10px 12px;border-bottom:1px solid var(--line)}.categories button{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 13px}.categories button.active{background:#172033;color:#fff}.products{padding:12px;display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px;overflow:auto}.product{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden;text-align:left;padding:0;cursor:pointer}.product img{width:100%;height:120px;object-fit:cover;background:#fff1e9}.product .pbody{padding:10px}.product b{display:block;min-height:40px}.product strong{color:var(--red)}.product small{color:#667085}.cart{display:flex;flex-direction:column}.customer-box{padding:12px;border-bottom:1px solid var(--line)}.customer-search{display:grid;grid-template-columns:1fr auto;gap:7px}.customer-info{margin-top:8px;padding:9px;border-radius:10px;background:#f7f9fc;font-size:13px}.cart-title{display:flex;justify-content:space-between;padding:12px;border-bottom:1px solid var(--line)}.cart-items{flex:1;overflow:auto;padding:10px}.empty{text-align:center;color:#98a2b3;padding:50px 10px}.cart-row{display:grid;grid-template-columns:1fr auto;gap:8px;padding:10px 0;border-bottom:1px solid var(--line)}.cart-row .qty{display:flex;align-items:center;gap:6px}.cart-row button{width:28px;height:28px;border:1px solid var(--line);background:#fff;border-radius:8px}.summary{border-top:1px solid var(--line);padding:12px;display:grid;gap:10px}.summary>div{display:flex;align-items:center;justify-content:space-between;gap:10px}.summary input{width:120px;text-align:right}.grand{font-size:20px}.checkout:disabled{opacity:.5}dialog{border:0;border-radius:20px;padding:0;box-shadow:0 20px 80px #0006}dialog::backdrop{background:#10182888}.modal-card{width:min(520px,90vw);padding:22px;position:relative}.close{position:absolute;right:10px;top:8px;border:0;background:transparent;font-size:26px}.pay-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.pay-grid button{padding:18px;border:1px solid var(--line);background:#fff;border-radius:14px;font-weight:900}.pay-grid button:hover{border-color:var(--red)}@media(max-width:900px){.pos-grid{grid-template-columns:1fr;height:auto}.catalog{min-height:62vh}.cart{min-height:55vh}.topbar{height:auto;align-items:flex-start}.top-actions{flex-wrap:wrap;justify-content:flex-end}.filters{grid-template-columns:1fr 1fr}.filters input{grid-column:1/-1}.products{grid-template-columns:repeat(2,minmax(0,1fr))}.product img{height:100px}}@media(max-width:520px){.brand small,.top-actions .pill{display:none}.pos-grid{padding:6px;gap:6px}.products{padding:6px;gap:6px}.filters{padding:8px}.product b{font-size:13px}.cart{border-radius:12px}}