:root{--accent:#c9212b;--accent2:#a91620;--ink:#18212f;--muted:#687386;--line:#e6e9ee;--soft:#f5f6f8;--white:#fff;--green:#16875d;--shadow:0 12px 35px rgba(25,33,47,.08)}*{box-sizing:border-box}html,body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#f7f8fa}button,input{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;position:fixed;z-index:20;left:0;right:0;top:0}.brand{width:230px;padding:0 22px;display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink)}.brandmark,.logo-mark{display:grid;place-items:center;background:var(--accent);color:white;font-weight:900;border-radius:9px}.brandmark{width:31px;height:31px}.context{display:flex;gap:22px;align-items:center;font-size:13px;color:var(--muted);flex:1}.status{color:var(--green);font-weight:700}.top-actions{display:flex;gap:8px;padding-right:18px}.iconbtn,.avatar{border:1px solid var(--line);background:white;width:38px;height:38px;border-radius:10px}.avatar{background:#202936;color:white}.sidebar{position:fixed;top:64px;bottom:0;left:0;width:230px;background:#fff;border-right:1px solid var(--line);padding:18px 12px;display:flex;flex-direction:column;gap:4px}.sidebar a{padding:11px 13px;border-radius:9px;text-decoration:none;color:#4b5565;font-size:14px;font-weight:600}.sidebar a:hover,.sidebar a.active{background:#fff0f1;color:var(--accent)}.sidebar-bottom{margin-top:auto;display:flex;flex-direction:column}.content{margin-left:230px;padding-top:64px;min-height:100vh}.pos-layout{display:grid;grid-template-columns:minmax(0,1fr) 390px;height:calc(100vh - 64px)}.catalog{padding:25px 26px;overflow:auto}.section-head,.page-head,.cart-head{display:flex;align-items:center;justify-content:space-between}.section-head h1,.page-head h1{margin:3px 0 16px;font-size:26px}.eyebrow{font-size:10px;letter-spacing:.12em;font-weight:800;color:var(--accent)}.ghost{background:#fff;border:1px solid var(--line);border-radius:9px;padding:9px 13px;color:#465163;font-weight:700}.searchbox{height:50px;border:1px solid #dfe3e8;background:#fff;border-radius:12px;display:flex;align-items:center;padding:0 15px;gap:10px;box-shadow:0 3px 12px rgba(20,30,45,.03)}.searchbox input{border:0;outline:0;flex:1;font-size:15px}.searchbox kbd{border:1px solid var(--line);padding:3px 6px;border-radius:5px;color:#7a8493;background:#fafafa}.category-row{display:flex;gap:7px;overflow:auto;padding:15px 0}.chip{white-space:nowrap;border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:20px;font-size:12px;font-weight:700}.chip.selected{background:#242d3b;color:#fff;border-color:#242d3b}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:12px}.product-card{text-align:left;border:1px solid var(--line);background:#fff;border-radius:13px;padding:11px;min-height:178px;display:flex;flex-direction:column;gap:7px;transition:.15s}.product-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#d6dae1}.product-thumb{height:80px;border-radius:9px;background:linear-gradient(145deg,#f3f4f6,#e9ecf1);display:grid;place-items:center;font-size:26px;font-weight:800;color:#7a8493}.product-card small{color:var(--muted)}.product-card>div:last-child{display:flex;justify-content:space-between;align-items:end;margin-top:auto}.stock{font-size:10px;color:var(--green)}.cart{background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column;padding:20px;overflow:hidden}.cart-head h2{margin:2px 0 12px}.customer{border:1px solid var(--line);background:#fafbfc;border-radius:10px;padding:12px;text-align:left;display:flex;justify-content:space-between;font-weight:700}.cart-lines{flex:1;overflow:auto;margin:12px 0}.empty{height:100%;min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);gap:5px;text-align:center}.cart-line{display:grid;grid-template-columns:1fr auto;gap:7px;padding:11px 2px;border-bottom:1px solid #eff1f4}.cart-line small{color:var(--muted)}.qty{display:flex;align-items:center;gap:7px}.qty button{border:1px solid var(--line);background:#fff;border-radius:6px;width:25px;height:25px}.totals{border-top:1px solid var(--line);padding-top:10px}.totals>div{display:flex;justify-content:space-between;padding:5px 0;font-size:13px}.totals .grand{font-size:18px;padding:11px 0;border-top:1px dashed #d9dde4;margin-top:5px}.cart-actions{display:grid;grid-template-columns:110px 1fr;gap:8px}.checkout,.primary{border:0;background:var(--accent);color:#fff;border-radius:10px;padding:13px 16px;font-weight:800;display:flex;justify-content:space-between;align-items:center}.checkout:hover,.primary:hover{background:var(--accent2)}.page-head{padding:28px 30px 10px}.primary-link{background:var(--accent);color:#fff;text-decoration:none;border:0;padding:10px 14px;border-radius:9px;font-weight:800}.kpi-grid{padding:10px 30px;display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.kpi,.panel{background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 4px 16px rgba(20,30,45,.025)}.kpi{padding:16px}.kpi span{font-size:12px;color:var(--muted);font-weight:700}.kpi strong{display:block;font-size:23px;margin:8px 0}.kpi small{color:#929aa6}.dashboard-grid,.foundation-grid{display:grid;grid-template-columns:2fr 1fr;gap:12px;padding:12px 30px 30px}.panel{padding:18px;overflow:auto}.panel h3{margin-top:0}.chart-placeholder{height:180px;display:flex;gap:12px;align-items:end;padding:20px}.chart-placeholder div{flex:1;background:#d8dde5;border-radius:5px 5px 0 0}.chart-placeholder div:nth-child(1){height:25%}.chart-placeholder div:nth-child(2){height:45%}.chart-placeholder div:nth-child(3){height:35%}.chart-placeholder div:nth-child(4){height:70%}.chart-placeholder div:nth-child(5){height:58%}.chart-placeholder div:nth-child(6){height:88%;background:#c9212b}.chart-placeholder div:nth-child(7){height:68%}.empty-state{color:var(--muted);padding:30px;text-align:center}.control-list{display:grid;gap:10px}.control-list span{background:var(--soft);padding:11px;border-radius:8px;font-weight:650}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em}th,td{padding:12px;border-bottom:1px solid var(--line)}.pill{background:#eaf8f2;color:var(--green);padding:4px 8px;border-radius:12px;font-weight:700}.muted{color:var(--muted)}.modal-backdrop{display:none;position:fixed;z-index:50;inset:0;background:rgba(14,20,29,.5);place-items:center;padding:20px}.modal-backdrop.open{display:grid}.modal{width:min(520px,100%);background:#fff;border-radius:18px;padding:25px;box-shadow:0 25px 80px rgba(0,0,0,.22);position:relative}.modal-x{position:absolute;right:15px;top:15px;border:0;background:#f1f3f5;width:32px;height:32px;border-radius:50%}.payment-total{display:flex;justify-content:space-between;background:#f6f7f9;border-radius:12px;padding:15px;margin:15px 0}.payment-total strong{font-size:23px}.pay-methods{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-bottom:16px}.paymethod{border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px 5px;font-size:12px}.paymethod.selected{border-color:var(--accent);color:var(--accent);background:#fff4f4;font-weight:800}.modal label{display:block;font-size:12px;font-weight:700;margin:8px 0}.modal input{width:100%;border:1px solid var(--line);border-radius:9px;padding:12px;outline:none}.denoms{display:flex;gap:6px;margin:8px 0}.denoms button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:8px}.change{display:flex;justify-content:space-between;padding:12px 0}.full{width:100%;justify-content:center}.success{text-align:center}.success-icon{margin:auto;width:62px;height:62px;border-radius:50%;background:#e8f7f1;color:var(--green);display:grid;place-items:center;font-size:30px}.success-actions{display:flex;gap:8px;justify-content:center}.login-body{min-height:100vh;background:#eef1f5}.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.2fr .8fr}.brand-panel{background:#1d2634;color:white;padding:8vw;display:flex;flex-direction:column;justify-content:center}.brand-panel .logo-mark{width:54px;height:54px;font-size:25px}.brand-panel h1{font-size:48px;margin:18px 0 5px}.brand-panel p{font-size:21px;color:#c7ced8}.login-feature{margin-top:55px;color:#9da8b8}.login-card{margin:auto;width:min(410px,80%);background:#fff;border-radius:18px;padding:34px;box-shadow:var(--shadow)}.login-card h2{font-size:30px;margin:6px 0}.login-card label{display:block;font-size:12px;font-weight:800;margin:17px 0 6px}.login-card input{width:100%;padding:13px;border:1px solid var(--line);border-radius:9px}.login-card .primary{width:100%;justify-content:center;margin-top:20px}.security-note{text-align:center;font-size:11px;color:#929aa6;margin-top:18px}@media(max-width:1050px){.kpi-grid{grid-template-columns:repeat(2,1fr)}.pos-layout{grid-template-columns:1fr 350px}.context span:nth-child(-n+2){display:none}}@media(max-width:760px){.sidebar{display:none}.content{margin-left:0}.brand{width:auto}.context{justify-content:flex-end}.pos-layout{display:block;height:auto}.cart{border-left:0;border-top:1px solid var(--line);min-height:520px}.product-grid{grid-template-columns:repeat(2,1fr)}.kpi-grid{grid-template-columns:1fr 1fr}.dashboard-grid,.foundation-grid{grid-template-columns:1fr}.login-wrap{grid-template-columns:1fr}.brand-panel{display:none}.login-card{margin:40px auto}.pay-methods{grid-template-columns:repeat(3,1fr)}}@media print{.topbar,.sidebar,.catalog,.cart-actions{display:none}.content{margin:0;padding:0}}