@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg: #F4F5F4;--surface: #FFFFFF;--border: #DDE1E0;--text: #171B1A;--text-muted: #5B6462;--accent: #0F5C56;--accent-text: #FFFFFF;--danger: #B3261E;--success: #1E7A4C;--warn-bg: #FFF4E5;--warn-text: #8A5A00;--radius: 10px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,sans-serif;font-variant-numeric:tabular-nums}button{font-family:inherit;cursor:pointer;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);min-height:44px;padding:0 16px;font-size:15px;font-weight:500}button:hover{border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}.btn-primary:hover{opacity:.92}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}input,select{font-family:inherit;font-size:15px;padding:10px 12px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface)}.app-shell{display:flex;min-height:100vh}.sidebar{width:180px;background:var(--surface);border-right:1px solid var(--border);padding:20px 12px;display:flex;flex-direction:column;gap:4px}.sidebar a{display:block;padding:10px 12px;border-radius:var(--radius);color:var(--text-muted);text-decoration:none;font-weight:500;font-size:14px}.sidebar a.active,.sidebar a:hover{background:var(--bg);color:var(--text)}.sidebar-signout-inline{display:none;cursor:pointer}.main{flex:1;padding:24px;overflow-y:auto}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}.grid-products{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}.product-tile{text-align:left;padding:12px;min-height:84px;display:flex;flex-direction:column;justify-content:space-between;gap:4px}.product-tile .name{font-size:14px;font-weight:500}.product-tile .price{font-size:15px;color:var(--accent);font-weight:600}.cart-line{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--border)}.cart-line:last-child{border-bottom:none}.receipt-paper{width:320px;background:#fff;padding:24px;font-family:Courier New,monospace;border:1px solid var(--border);margin:0 auto}.receipt-paper .center{text-align:center}.receipt-watermark{color:var(--danger);text-align:center;font-weight:700;letter-spacing:2px;border:2px solid var(--danger);padding:4px;margin-bottom:8px}table.data-table{width:100%;border-collapse:collapse;font-size:14px}table.data-table th{text-align:left;color:var(--text-muted);font-weight:500;padding:8px;border-bottom:1px solid var(--border)}table.data-table td{padding:8px;border-bottom:1px solid var(--border)}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.low-stock{background:var(--warn-bg);color:var(--warn-text);padding:2px 8px;border-radius:20px;font-size:12px;font-weight:600}.section-header{font-size:15px;font-weight:700;margin:20px 0 10px;padding-top:16px;border-top:1px solid var(--border)}.section-header:first-child{margin-top:0;padding-top:0;border-top:none}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:60;padding:16px}.modal-card{width:100%;max-width:700px;max-height:90vh;overflow-y:auto}.top-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.checkout-layout{display:flex}.checkout-divider{border-left:1px solid var(--border)}@media (max-width: 900px){.sidebar{width:68px;padding:16px 6px}.sidebar a{padding:10px 4px;text-align:center;font-size:10px}.sidebar>div:first-child{display:none}.main{padding:16px}}@media (max-width: 600px){.app-shell{flex-direction:column}.sidebar{width:100%;flex-direction:row;justify-content:space-around;align-items:center;padding:6px 4px;border-right:none;border-top:1px solid var(--border);order:2;position:sticky;bottom:0;z-index:40}.sidebar>div:first-child{display:none}.sidebar-footer{display:none}.sidebar-signout-inline{display:block}.sidebar a,.sidebar-signout-inline{padding:6px 4px;font-size:10px;flex:1;text-align:center}.main{order:1;padding:12px 12px 8px}.checkout-layout{flex-direction:column}.checkout-divider{border-left:none;border-top:1px solid var(--border);padding-left:0!important;padding-top:16px;margin-top:16px}table.data-table{font-size:13px}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -12px;padding:0 12px}.table-scroll table.data-table{min-width:480px}.receipt-paper{width:100%;max-width:320px;padding:16px}.grid-products{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}}