:root{--bg:#eef1f6;--panel:#fff;--panel-2:#f7f8fb;--ink:#1f2733;--ink-soft:#6b7280;--ink-faint:#9aa2af;--line:#e6e9f0;--accent:#f4511e;--accent-soft:#fff1ec;--accent-ink:#f4511e;--steel:#37516b;--steel-soft:#eef3f8;--ok:#16a34a;--ok-soft:#e9f7ef;--danger:#dc2626;--danger-soft:#fdecec;--radius:16px;--radius-sm:11px;--shadow:0 10px 30px rgba(31,39,51,.08);--shadow-sm:0 4px 14px rgba(31,39,51,.06)}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{background:var(--bg);color:var(--ink);font-family:Segoe UI,system-ui,-apple-system,Khmer OS,Noto Sans Khmer,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}button{cursor:pointer}button,input{font-family:inherit}.app{display:grid;grid-template-columns:236px 1fr;min-height:100vh;max-width:1560px;margin:0 auto}.sidebar{padding:22px 18px;display:flex;flex-direction:column;gap:26px;border-right:1px solid var(--line);background:var(--panel)}.brand{display:flex;align-items:center;gap:11px;padding:4px 6px}.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--accent),#ff7a45);display:grid;place-items:center;color:#fff;font-size:20px;box-shadow:var(--shadow-sm)}.brand-name{font-weight:800;font-size:18px;letter-spacing:-.3px}.brand-name span{color:var(--accent)}.nav{display:flex;flex-direction:column;gap:4px}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:var(--radius-sm);color:var(--ink-soft);border:1px solid transparent;background:transparent;font-size:14px;font-weight:600;text-align:left;width:100%}.nav-item .ico{font-size:17px;width:20px;text-align:center}.nav-item{text-decoration:none}.nav-item:disabled{opacity:.45;cursor:default}.nav-item:disabled:hover{background:transparent;color:var(--ink-soft)}.nav-item:hover{background:var(--panel-2);color:var(--ink)}.nav-item.active{background:var(--accent-soft);color:var(--accent);border-color:#ffd9cc}.side-card{margin-top:auto;background:linear-gradient(160deg,#2b3a4d,#37516b);color:#fff;border-radius:var(--radius);padding:18px}.side-card h4{margin:0 0 6px;font-size:15px}.side-card p{margin:0;font-size:12px;color:#c6d2df;line-height:1.5}.main{display:grid;grid-template-columns:1fr 340px;grid-gap:0;gap:0;min-width:0}.content{padding:22px 24px;min-width:0}.topbar{gap:14px;margin-bottom:22px}.search,.topbar{display:flex;align-items:center}.search{flex:1 1;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 16px;box-shadow:var(--shadow-sm)}.search:focus-within{border-color:var(--accent)}.search .ico{color:var(--ink-faint);font-size:16px}.search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink)}.btn-filter{display:flex;align-items:center;gap:8px;background:var(--accent);color:#fff;border:0;border-radius:var(--radius-sm);padding:12px 18px;font-weight:700;font-size:14px;box-shadow:var(--shadow-sm)}.btn-filter.secondary{background:var(--steel)}.user-chip{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:6px 14px 6px 6px;box-shadow:var(--shadow-sm);font-weight:600}.avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#37516b,#5b7897);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}.section-title{font-size:17px;font-weight:800;margin:4px 0 14px;letter-spacing:-.2px}.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}.chip{display:flex;align-items:center;gap:9px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 15px;font-weight:600;font-size:13px;color:var(--ink-soft);box-shadow:var(--shadow-sm)}.chip .emoji{width:26px;height:26px;border-radius:8px;background:var(--steel-soft);display:grid;place-items:center;font-size:15px}.chip:hover{border-color:#ffd9cc}.chip.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.chip.active .emoji{background:#ffe2d8}.filter-label{font-size:12px;font-weight:700;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.5px;margin:16px 0 8px}.tabs{display:flex;gap:22px;border-bottom:1px solid var(--line);margin:22px 0 16px}.tab{padding:0 2px 12px;font-weight:700;color:var(--ink-faint);background:none;border:0;border-bottom:2px solid transparent;font-size:15px}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));grid-gap:16px;gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px;transition:transform .12s ease,box-shadow .12s ease}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.card-thumb{position:relative;height:116px;border-radius:12px;background:linear-gradient(150deg,#eef3f8,#dde7f0);display:grid;place-items:center;overflow:hidden}.card-thumb .glyph{font-size:42px;opacity:.55}.card-thumb .dim-badge{position:absolute;left:10px;bottom:10px;background:rgba(31,39,51,.82);color:#fff;font-size:11px;font-weight:700;padding:4px 9px;border-radius:8px;letter-spacing:.3px}.brand-tag{position:absolute;top:10px;right:10px;font-size:10px;font-weight:800;letter-spacing:.5px;padding:4px 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h3{margin:0;font-size:18px;font-weight:800}.clear-link{background:none;border:0;color:var(--danger);font-weight:700;font-size:12px}.cart-list{display:flex;flex-direction:column;gap:10px;min-height:60px}.cart-item{display:flex;gap:12px;align-items:center}.cart-thumb{width:46px;height:46px;border-radius:11px;background:linear-gradient(150deg,#eef3f8,#dde7f0);display:grid;place-items:center;font-size:20px;flex-shrink:0;opacity:.85}.cart-info{flex:1 1;min-width:0}.cart-info .n{font-weight:700;font-size:12.5px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cart-info .p{color:var(--accent);font-weight:800;font-size:13px;margin-top:2px}.price-edit{display:flex;align-items:center;gap:6px;margin-top:4px}.price-edit .cur{color:var(--accent);font-weight:800;font-size:13px}.price-edit input{width:62px;padding:4px 7px;border:1px solid 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var(--line);border-radius:7px;background:var(--panel-2);color:var(--ink);outline:none;-moz-appearance:textfield}.qty .num:focus{border-color:var(--accent);background:#fff}.qty .num.invalid{border-color:var(--danger);color:var(--danger);background:var(--danger-soft)}.cart-remove{width:22px;height:22px;flex-shrink:0;border:1px solid var(--line);border-radius:7px;background:var(--panel-2);color:var(--ink-faint);font-size:11px;font-weight:800;line-height:1;display:grid;place-items:center}.cart-remove:hover{border-color:var(--danger);color:var(--danger);background:var(--danger-soft)}.cart-empty{color:var(--ink-faint);text-align:center;padding:24px 0;font-size:13px;font-weight:600}.summary{border:1px dashed var(--line);border-radius:var(--radius);padding:16px;margin-top:4px}.summary h5{margin:0 0 12px;font-weight:700}.sum-row,.summary h5{font-size:13px;color:var(--ink-soft)}.sum-row{display:flex;justify-content:space-between;margin-bottom:9px}.sum-row.total{border-top:1px solid 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rgba(244,81,30,.28)}.btn-checkout:disabled{background:#d7dbe2;box-shadow:none;cursor:not-allowed}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:13px 20px;border-radius:12px;color:#fff;font-weight:700;font-size:14px;box-shadow:var(--shadow);z-index:50;max-width:90vw}.toast.ok{background:#15803d}.toast.err{background:#b91c1c}.modal-backdrop{position:fixed;inset:0;background:rgba(20,26,34,.45);display:grid;place-items:center;z-index:40;padding:20px}.modal{background:var(--panel);border-radius:var(--radius);padding:24px;width:100%;max-width:440px;box-shadow:var(--shadow)}.modal h3{margin:0 0 18px;font-size:18px}.field{margin-bottom:14px}.field label{display:block;font-size:12px;font-weight:700;color:var(--ink-soft);margin-bottom:6px}.field input,.field select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:14px;outline:none;background:var(--panel-2)}.field input:focus,.field 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13px;border-radius:999px}.back-link{justify-self:start;display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:700;text-decoration:none;font-size:14px;background:var(--accent-soft);border:1.5px solid #ffd0c0;padding:8px 14px;border-radius:10px}.back-link:hover{background:#ffe4db;border-color:var(--accent)}.checkout-grid{display:grid;grid-template-columns:1fr 380px;grid-gap:20px;gap:20px;align-items:start}.panel-title{margin:0 0 14px;font-size:15px;font-weight:800;color:var(--ink)}.order-head{display:flex;align-items:center;justify-content:space-between}.add-item-btn,.order-head .panel-title{margin-bottom:14px}.add-item-btn{background:var(--steel-soft);color:var(--steel);border:1px solid #dbe6f0;border-radius:9px;padding:8px 13px;font-weight:700;font-size:13px}.add-item-btn:hover{background:#e2edf6}.order-panel,.pay-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}.order-lines{display:flex;flex-direction:column}.order-line{position:relative;display:flex;align-items:center;gap:12px;padding:11px 30px 11px 0;border-bottom:1px solid var(--line)}.order-line:last-child{border-bottom:0}.order-line>.cart-remove{position:absolute;top:8px;right:0}.ol-info{flex:1 1;min-width:0}.ol-name{font-weight:700;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ol-sub{color:var(--ink-soft);font-size:12px;margin-top:2px}.ol-controls{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.ol-controls .price-edit{margin:0}.ol-total{font-weight:800;font-size:14px;min-width:54px;text-align:right}.order-total-row{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding-top:14px;border-top:2px solid var(--line);font-weight:800;font-size:18px}.ot-value{color:var(--accent)}.pay-panel .pay-methods{margin-bottom:16px}.pay-panel .pay{padding:11px 6px;font-size:13px;gap:7px}.pay-panel .pay .pay-icon{width:18px;height:18px}.pay-panel .pay .pay-icon.khqr{width:21px;height:21px}.cust-seg{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.cust-seg .seg{border:1.5px solid var(--line);background:var(--panel);border-radius:10px;padding:11px 6px;font-weight:700;font-size:13px;color:var(--ink-soft)}.cust-seg .seg:hover{border-color:#cbd3de}.cust-seg .seg.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.pay-divider{border-top:1px solid var(--line);margin:18px 0 16px}.cust-picker{position:relative;margin-top:10px}.cust-input{display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;background:var(--panel-2)}.cust-input:focus-within{border-color:var(--accent);background:#fff}.cust-input .ico{color:var(--ink-faint);font-size:14px}.cust-input 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.seg.active.unpaid{border-color:var(--danger);background:var(--danger-soft);color:#b91c1c}.pay-lines{border-top:1px dashed var(--line);padding-top:14px;margin-bottom:14px}.pl-row{display:flex;justify-content:space-between;font-size:14px;margin-bottom:8px;color:var(--ink-soft)}.pl-row:first-child{font-weight:800;font-size:16px;color:var(--ink)}.pl-row.remaining{font-weight:800;font-size:15px;color:var(--danger)}.paid-note{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.paid-badge{color:var(--ok);font-weight:800;font-size:14px;background:var(--ok-soft);padding:7px 12px;border-radius:9px}.link-btn{background:none;border:0;color:var(--accent);font-weight:700;font-size:13px;padding:4px}.link-btn:hover{text-decoration:underline}.partial-box{margin-bottom:16px}.partial-box>label{display:block;font-size:12px;font-weight:700;color:var(--ink-soft);margin-bottom:7px}.amount-input{display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--panel-2)}.amount-input:focus-within{border-color:var(--accent);background:#fff}.amount-input .cur{font-weight:800;color:var(--accent);font-size:18px}.amount-input input{border:0;outline:0;background:transparent;width:100%;font-size:20px;font-weight:800;color:var(--ink)}.partial-box .link-btn{margin-top:9px}.btn-checkout.confirm{width:100%;margin-top:4px}.checkout-empty{display:grid;place-items:center;min-height:100vh;padding:20px}.ce-card{text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:40px 36px;box-shadow:var(--shadow-sm);max-width:360px}.ce-emoji{font-size:44px;margin-bottom:8px}.ce-card h2{margin:0 0 6px;font-size:20px}.ce-card p{margin:0 0 20px;color:var(--ink-soft);font-size:14px}.receipt-screen{min-height:100vh;padding:30px 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0}.rc-line{margin-bottom:8px}.rc-line-name{font-size:12px;font-weight:700}.rc-line-nums{font-size:12px;color:#444;margin-top:1px}.rc-line-nums,.rc-row{display:flex;justify-content:space-between}.rc-row{font-size:12.5px;margin-bottom:6px}.rc-row.total{font-size:15px;font-weight:800}.rc-row.balance{font-weight:800;color:#b91c1c}.rc-foot{text-align:center;font-size:11px;color:#555;margin-top:4px;line-height:1.7}@media print{body{background:#fff}.no-print{display:none!important}.receipt-screen{padding:0}.receipt{box-shadow:none;border:0;width:100%;max-width:320px}}@media (max-width:820px){.checkout-grid{grid-template-columns:1fr}}.page{padding:24px 28px 48px;min-width:0;height:100vh;overflow-y:auto}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.page-title{font-size:24px;font-weight:800;margin:0;letter-spacing:-.3px}.page-sub{color:var(--ink-soft);margin:4px 0 0;font-size:13px;font-weight:600}.page-search{max-width:440px;margin-bottom:18px}.table-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-size:13.5px}.data-table th{text-align:left;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--ink-faint);background:var(--panel-2);white-space:nowrap}.data-table td,.data-table th{padding:12px 16px;border-bottom:1px solid var(--line)}.data-table td{vertical-align:middle}.data-table tr:last-child td{border-bottom:0}.data-table td.num,.data-table th.num{text-align:right}.data-table .empty{text-align:center;padding:40px;color:var(--ink-faint);font-weight:600}.td-name{font-weight:700;color:var(--ink)}.td-dim{color:var(--ink-faint);font-size:12px;margin-top:2px}.td-cat,.td-mono{color:var(--ink-soft)}.td-mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px}.stock-pill{display:inline-block;font-weight:800;padding:3px 11px;border-radius:8px;background:var(--panel-2);color:var(--ink)}.stock-pill.low{color:#b45309;background:#fef3e2}.stock-pill.out{color:#fff;background:var(--danger)}.mini{border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:6px 11px;font-weight:700;font-size:12px;color:var(--ink-soft)}.mini.add:hover{border-color:var(--accent);color:var(--accent)}.mini.ok{background:var(--ok);color:#fff;border-color:var(--ok)}.restock-row{display:inline-flex;gap:6px;align-items:center;justify-content:flex-end}.restock-row input{width:66px;padding:6px 9px;border:1px solid var(--line);border-radius:8px;text-align:right;font-weight:700;font-size:13px;outline:none;background:var(--panel-2)}.restock-row input:focus{border-color:var(--accent);background:#fff}.cust-avatar-row{display:flex;align-items:center;gap:10px}.cust-avatar{width:30px;height:30px;border-radius:50%;flex-shrink:0;background:linear-gradient(135deg,#37516b,#5b7897);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px}@media (max-width:1160px){.app{grid-template-columns:76px 1fr}.brand-name,.nav-item span:not(.ico),.side-card{display:none}.nav-item{justify-content:center}}@media (max-width:900px){.main{grid-template-columns:1fr}.invoice{position:static;height:auto;border-left:0;border-top:1px solid var(--line)}}