:root{--bg-primary: #f5f5f5;--bg-secondary: #fefefe;--text-primary: #333333;--text-secondary: #666666;--border-color: #dddddd;--accent-color: #e3f2fd;--primary-color: #1976d2;--success-color: #2e7d32;--danger-color: #d32f2f;--card-bg: #ffffff}[data-theme=dark]{--bg-primary: #121212;--bg-secondary: #1e1e1e;--text-primary: #e0e0e0;--text-secondary: #aaaaaa;--border-color: #333333;--accent-color: #1a237e;--primary-color: #90caf9;--success-color: #81c784;--danger-color: #e57373;--card-bg: #1e1e1e;--hover-bg: #333333}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;width:100%;font-family:system-ui,-apple-system,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);overflow:hidden}.app-container{display:flex;flex-direction:column;height:100vh;height:100dvh;width:100vw}.content-wrapper{display:flex;flex:1;overflow:hidden;position:relative;height:calc(100dvh - 60px)}.main-section{flex:1;overflow-y:auto;padding:20px;background:var(--bg-primary);color:var(--text-primary)}.sidebar-section{width:400px;background:var(--bg-secondary);border-left:1px solid var(--border-color);display:flex;flex-direction:column;height:100%;min-height:0;flex-shrink:0;position:relative;color:var(--text-primary);z-index:1000;transition:transform .3s ease-in-out;overflow:hidden}.cart-sidebar-inner{display:flex;flex-direction:column;flex:1;width:100%;overflow:hidden;box-sizing:border-box;min-height:0}.mobile-cart-toggle,.mobile-backdrop,.mobile-cart-header{display:none}@media screen and (max-width: 1024px){.cart-sidebar-inner .sidebar-header{display:none}.sidebar-section{position:fixed;top:0;right:0;bottom:0;height:100dvh;width:350px;transform:translate(100%);box-shadow:-5px 0 15px #0003;transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:1200;background:var(--bg-secondary)}.sidebar-section.open{transform:translate(0)}.mobile-cart-toggle{display:flex;justify-content:center;align-items:center;position:fixed;bottom:20px;right:20px;width:56px;height:56px;background-color:var(--primary-color);color:#fff;border-radius:50%;box-shadow:0 4px 12px #0000004d;z-index:1100;cursor:pointer;font-size:1.5rem;transition:transform .2s}.mobile-cart-toggle:active{transform:scale(.95)}.mobile-cart-toggle .badge{position:absolute;top:-5px;right:-5px;background:var(--danger-color);color:#fff;border-radius:50%;width:22px;height:22px;font-size:.75rem;display:flex;justify-content:center;align-items:center;font-weight:700;border:2px solid var(--bg-secondary)}.mobile-backdrop{display:block;position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:1150;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.mobile-cart-header{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);color:var(--text-primary)}.mobile-cart-header h3{margin:0;font-size:1.25rem;font-weight:700}.mobile-cart-header button{background:none;border:none;font-size:1.8rem;color:var(--text-primary);cursor:pointer;padding:5px;display:flex;align-items:center;justify-content:center;opacity:.7;transition:opacity .2s}.mobile-cart-header button:hover{opacity:1}.product-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));padding-bottom:80px}}@media screen and (max-width: 480px){.sidebar-section{width:100%;max-width:100%}.product-grid{grid-template-columns:1fr;gap:12px}.product-card{flex-direction:row;min-height:100px;align-items:center}.product-card img{width:80px;height:80px;object-fit:cover}.product-card-content{padding:12px}}.sidebar-header{padding:25px 25px 10px;border-bottom:1px solid var(--border-color)}.order-items-container{flex:1;overflow-y:auto;padding:0 25px;min-height:0;overscroll-behavior:contain}.order-summary-footer{border-top:2px solid var(--border-color);padding:15px 25px;background:var(--bg-secondary);margin-top:auto;flex-shrink:0;width:100%;box-sizing:border-box}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:15px;padding:10px}.product-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 4px 12px #00000014;overflow:hidden;display:flex;flex-direction:column;height:100%;min-height:160px;transition:transform .2s,box-shadow .2s}.product-card:hover{transform:translateY(-2px);box-shadow:0 8px 16px #0000001f}.product-card-content{padding:15px;flex:1;display:flex;flex-direction:column}.product-card h3{font-size:1.2rem;margin:0 0 5px;font-weight:800;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.product-category{font-size:.75rem;font-weight:700;text-transform:uppercase;margin-bottom:15px}.variant-btn{width:100%;padding:12px;background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color);border-radius:8px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:.1s;margin-bottom:8px}.variant-btn:hover:not(:disabled){background:var(--hover-bg, #f0f0f0)}.variant-btn:disabled{background:var(--bg-primary);color:var(--text-secondary);border-color:var(--border-color);cursor:not-allowed;opacity:.6}button{cursor:pointer;transition:opacity .2s,transform .1s,background .2s;font-family:inherit}.category-filter-btn{padding:10px 25px;border-radius:30px;border:1px solid var(--border-color);cursor:pointer;background:var(--bg-secondary);color:var(--text-primary);font-weight:700;box-shadow:0 2px 5px #0000000d;white-space:nowrap;font-size:.9rem;transition:.2s}.category-filter-btn.active{background:var(--text-primary);color:var(--bg-primary);border-color:var(--text-primary)}.pay-now-button{width:100%;padding:18px;background-color:var(--text-primary);color:var(--bg-primary);border:none;border-radius:12px;font-size:1.1rem;font-weight:700;box-shadow:0 4px 12px #00000026}.pay-now-button:active:not(:disabled){transform:scale(.98)}.voided-row{opacity:.5;background-color:snow;text-decoration:line-through}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:2000}.modal-content{background:var(--bg-secondary);color:var(--text-primary);padding:30px;border-radius:16px;width:90%;max-width:500px;box-shadow:0 10px 40px #0000004d;position:relative;max-height:90vh;overflow-y:auto;border:1px solid var(--border-color)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;border-bottom:1px solid var(--border-color);padding-bottom:15px}.modal-header h2{margin:0;font-size:1.5rem;font-weight:700}.close-button{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:5px;border-radius:50%;transition:.2s;display:flex;align-items:center;justify-content:center}.close-button:hover{background:var(--bg-primary);color:var(--danger-color)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:#ddd;border-radius:10px}@media print{.no-print,.main-section,.sidebar-section,.admin-tabs,.admin-header,header,button{display:none!important}html,body{background:#fff!important;margin:0!important;padding:0!important;overflow:visible!important}.modal-overlay{position:absolute!important;background:#fff!important;display:block!important;top:0!important;left:0!important}.receipt{width:300px!important;margin:0 auto!important;padding:10px!important;border:none!important;box-shadow:none!important;font-family:Courier New,Courier,monospace!important;color:#000!important;font-size:12pt}}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}