:root{--primary:#a67c52;--primary-hover:#8b6240;--secondary:#d1bfae;--secondary-hover:#c4b09d;--bg-color:#f9f7f4;--panel-bg:#fff;--text-main:#3b302a;--text-muted:#8c817b;--border:#e6e2db;--danger:#d96c6c;--success:#6ba88f;--radius:20px;--radius-sm:12px;--shadow:0 4px 12px #3b302a0a, 0 2px 4px #3b302a05;--shadow-lg:0 12px 24px #3b302a0f, 0 4px 8px #3b302a08}*{box-sizing:border-box;-webkit-user-select:none;user-select:none;touch-action:manipulation;margin:0;padding:0}input,textarea{-webkit-user-select:auto;user-select:auto}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;overflow:hidden}.app-container{width:100vw;height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--panel-bg);border-right:1px solid var(--border);z-index:10;flex-direction:column;align-items:center;gap:32px;width:80px;padding:24px 0;display:flex}.sidebar-logo{margin-bottom:24px;font-size:24px}.nav-item{width:48px;height:48px;color:var(--text-muted);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;transition:all .2s;display:flex}.nav-item:hover{background-color:var(--bg-color);color:var(--primary)}.nav-item.active{background-color:var(--primary);color:#fff;box-shadow:0 4px 12px #ffb0004d}.left-panel{background-color:var(--panel-bg);border-right:1px solid var(--border);z-index:5;flex-direction:column;width:380px;display:flex;box-shadow:2px 0 10px #00000005}.panel-header{border-bottom:1px solid var(--border);padding:24px}.panel-title{margin-bottom:4px;font-size:20px;font-weight:700}.panel-subtitle{color:var(--text-muted);font-size:13px}.cart-items{flex-direction:column;flex:1;gap:16px;padding:24px;display:flex;overflow-y:auto}.cart-item{background:var(--bg-color);border-radius:var(--radius-sm);align-items:center;gap:12px;padding:12px;display:flex}.cart-item-img{object-fit:cover;border-radius:8px;width:48px;height:48px}.cart-item-info{flex:1}.cart-item-title{margin-bottom:4px;font-size:14px;font-weight:600}.cart-item-price{color:var(--text-muted);font-size:14px}.cart-qty-controls{border:1px solid var(--border);background:#fff;border-radius:20px;align-items:center;gap:12px;padding:4px 8px;display:flex}.qty-btn{cursor:pointer;color:var(--text-main);background:0 0;border:none;justify-content:center;align-items:center;font-size:16px;display:flex}.payment-area{border-top:1px solid var(--border);background:#fff;padding:24px;box-shadow:0 -4px 12px #00000005}.summary-row{color:var(--text-muted);justify-content:space-between;margin-bottom:12px;font-size:15px;display:flex}.summary-row.total{color:var(--text-main);border-top:1px dashed var(--border);margin-top:12px;margin-bottom:24px;padding-top:12px;font-size:22px;font-weight:700}.checkout-btn{background:var(--primary);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;width:100%;height:56px;font-size:16px;font-weight:600;transition:all .2s;display:flex;box-shadow:0 4px 12px #ffb00033}.checkout-btn:hover{background:var(--primary-hover);transform:translateY(-1px)}.right-panel{background-color:var(--bg-color);flex-direction:column;flex:1;display:flex;overflow:hidden}.top-bar{background:var(--panel-bg);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;height:80px;padding:0 32px;display:flex}.search-box{background:var(--bg-color);border-radius:var(--radius-sm);border:1px solid var(--border);align-items:center;width:320px;height:44px;padding:0 16px;display:flex}.search-box input{background:0 0;border:none;outline:none;flex:1;margin-left:8px;font-size:15px}.categories{gap:12px;padding:24px 32px;display:flex;overflow-x:auto}.cat-btn{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;white-space:nowrap;background:#fff;border-radius:20px;padding:10px 20px;font-size:14px;font-weight:600;transition:all .2s}.cat-btn.active{background:var(--text-main);color:#fff;border-color:var(--text-main)}.products-grid{flex:1;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));align-content:start;gap:20px;padding:0 32px 32px;display:grid;overflow-y:auto}.product-card{border-radius:var(--radius);cursor:pointer;background:#fff;border:1px solid #0000;padding:12px;transition:all .2s}.product-card:hover{box-shadow:var(--shadow-lg);border-color:var(--border);transform:translateY(-2px)}.product-img-wrap{aspect-ratio:1;background:var(--bg-color);border-radius:12px;width:100%;margin-bottom:16px;overflow:hidden}.product-img{object-fit:cover;width:100%;height:100%}.product-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:8px;font-size:15px;font-weight:600;display:-webkit-box;overflow:hidden}.product-price{color:var(--primary);font-size:16px;font-weight:700}.modal-overlay{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{width:480px;max-width:90vw;box-shadow:var(--shadow-lg);background:#fff;border-radius:24px;padding:32px}.payment-methods{grid-template-columns:1fr 1fr;gap:16px;margin:24px 0;display:grid}.payment-btn{border:2px solid var(--border);cursor:pointer;background:#fff;border-radius:16px;justify-content:center;align-items:center;gap:12px;height:64px;font-size:16px;font-weight:600;transition:all .2s;display:flex}.payment-btn.selected{border-color:var(--primary);color:var(--primary);background:#ffb0000d}.app-order-card{border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;border-left:4px solid var(--primary);background:#fff;margin-bottom:12px;padding:16px}.app-order-header{justify-content:space-between;margin-bottom:8px;display:flex}.app-order-id{font-weight:700}.app-order-time{color:var(--text-muted);font-size:12px}.app-order-status{color:#d97706;background:#fef3c7;border-radius:4px;padding:4px 8px;font-size:12px;font-weight:600;display:inline-block}.app-order-status.completed{color:#059669;background:#d1fae5}.badge{background:var(--danger);color:#fff;border-radius:9px;justify-content:center;align-items:center;width:18px;height:18px;font-size:10px;font-weight:700;display:flex;position:absolute;top:8px;right:8px}#printable-receipt{display:none}@media print{body *{visibility:hidden}#printable-receipt,#printable-receipt *{visibility:visible}#printable-receipt{width:100%;margin:0;padding:0;position:absolute;top:0;left:0;display:block!important}.print-mode-main .kitchen-receipt,.print-mode-main .kitchen-receipt *,.print-mode-kitchen .main-receipt,.print-mode-kitchen .main-receipt *,.no-print,.no-print *{display:none!important}}.spin-anim{animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.lang-anim{animation:.3s cubic-bezier(.175,.885,.32,1.275) langPop}@keyframes langPop{0%{opacity:1;transform:scale(1)}50%{opacity:.5;color:var(--primary);transform:scale(.6)}to{opacity:1;transform:scale(1)}}.pos-toast{color:#fff;z-index:99999;border-left:4px solid var(--primary);background:#0f172a;border-radius:12px;padding:16px 24px;font-size:14px;font-weight:500;animation:.3s cubic-bezier(.16,1,.3,1) slideInRight;position:fixed;top:24px;right:24px;box-shadow:0 10px 25px #0000001a}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@media (width<=1100px){.sidebar{gap:16px;width:68px;padding:20px 0}.sidebar-logo{margin-bottom:8px}.nav-item{border-radius:12px;width:48px;height:48px}.left-panel{width:320px}.panel-header{padding:18px 20px}.panel-title{font-size:18px}.cart-items{gap:14px;padding:16px 20px}.payment-area{padding:18px 20px}.qty-btn{justify-content:center;align-items:center;width:36px;height:36px;display:flex}.cart-qty-controls{gap:8px;padding:6px 10px}.checkout-btn{border-radius:16px;height:60px;font-size:17px}.top-bar{height:72px;padding:0 24px}.search-box{width:260px;height:48px}.categories{gap:10px;padding:16px 24px}.cat-btn{border-radius:24px;padding:12px 20px;font-size:14px}.products-grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px;padding:0 24px 24px}.product-card{border-radius:18px;padding:14px}.product-img-wrap{border-radius:10px;margin-bottom:12px}.product-title{margin-bottom:6px;font-size:15px}.product-price{font-size:17px}}@media (width<=768px){body{overflow:hidden}.app-container{flex-direction:column}.sidebar{border-right:none;border-top:1px solid var(--border);flex-direction:row;order:99;justify-content:space-around;align-items:center;gap:0;width:100%;height:64px;padding:0 12px}.sidebar-logo{display:none}.nav-item{border-radius:14px;width:52px;height:52px}.left-panel{border-right:none;border-bottom:1px solid var(--border);flex-direction:row;width:100%;height:38vh;overflow:hidden}.cart-items{gap:10px;padding:14px}.payment-area{border-top:none;border-left:1px solid var(--border);flex-direction:column;justify-content:flex-end;min-width:200px;padding:14px;display:flex}.panel-header{padding:12px 16px}.panel-title{font-size:16px}.cart-item{gap:10px;padding:10px}.cart-item-img{width:44px;height:44px}.cart-item-title{font-size:14px}.qty-btn{justify-content:center;align-items:center;width:36px;height:36px;display:flex}.cart-qty-controls{gap:6px;padding:4px 8px}.right-panel{height:calc(62vh - 64px);overflow:hidden}.top-bar{height:60px;padding:0 14px}.search-box{flex:1;height:44px}.categories{gap:8px;padding:10px 14px}.cat-btn{border-radius:20px;min-height:40px;padding:10px 16px;font-size:13px}.products-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;padding:0 14px 14px}.product-card{border-radius:14px;padding:10px}.product-img-wrap{border-radius:8px;margin-bottom:10px}.product-title{-webkit-line-clamp:2;font-size:13px}.product-price{font-size:15px}.summary-row{font-size:14px}.summary-row.total{margin-bottom:14px;font-size:19px}.checkout-btn{border-radius:14px;height:52px;font-size:15px}}