:root{--bg-primary: #f1f5f9;--bg-secondary: #ffffff;--bg-tertiary: #e2e8f0;--bg-card: #ffffff;--bg-card-hover: #f8fafc;--bg-input: #ffffff;--bg-overlay: rgba(0, 0, 0, .4);--bg-glass: rgba(255, 255, 255, .85);--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--text-inverse: #ffffff;--accent: #6366f1;--accent-hover: #4f46e5;--accent-soft: rgba(99, 102, 241, .1);--accent-glow: rgba(99, 102, 241, .2);--success: #16a34a;--success-soft: rgba(22, 163, 74, .1);--warning: #d97706;--warning-soft: rgba(217, 119, 6, .1);--danger: #dc2626;--danger-soft: rgba(220, 38, 38, .1);--info: #2563eb;--info-soft: rgba(37, 99, 235, .1);--gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--gradient-success: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);--gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);--gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);--gradient-ocean: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);--gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .1);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .12);--shadow-glow: 0 0 20px var(--accent-glow);--font-family: "Inter", "Noto Sans Thai", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "SF Mono", "Fira Code", monospace;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--transition-spring: .5s cubic-bezier(.34, 1.56, .64, 1);--header-height: 56px;--bottom-nav-height: 64px;--sidebar-width: 260px;--safe-area-top: env(safe-area-inset-top, 0px);--safe-area-bottom: env(safe-area-inset-bottom, 0px);--safe-area-left: env(safe-area-inset-left, 0px);--safe-area-right: env(safe-area-inset-right, 0px);--border-light: 1px solid #e2e8f0;--border-lighter: 1px solid #f1f5f9}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;min-height:100dvh}#root{min-height:100vh;min-height:100dvh}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--text-primary)}h1{font-size:1.75rem}h2{font-size:1.375rem}h3{font-size:1.125rem}a{color:var(--accent);text-decoration:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:12px 20px;border:none;border-radius:var(--radius-md);font-family:var(--font-family);font-size:.9375rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;user-select:none;-webkit-user-select:none;min-height:44px;position:relative;overflow:hidden}.btn:active{transform:scale(.96)}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-sm),0 0 12px var(--accent-glow)}.btn-primary:hover{box-shadow:var(--shadow-md),var(--shadow-glow)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover{background:#3d4f66}.btn-success{background:var(--gradient-success);color:#fff}.btn-danger{background:var(--gradient-danger);color:#fff}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-sm{padding:8px 14px;font-size:.8125rem;min-height:36px}.btn-lg{padding:16px 28px;font-size:1.0625rem;min-height:52px}.btn-icon{padding:10px;min-width:44px;min-height:44px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid rgba(0,0,0,.06);padding:var(--space-lg);transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}.card:hover{border-color:#0000000f}.card-glass{background:var(--bg-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(0,0,0,.08)}.card-glow{box-shadow:var(--shadow-md),0 0 24px #6366f114}.card-interactive{cursor:pointer;content-visibility:auto;contain-intrinsic-size:0 120px}.card-interactive:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.card-interactive:active{transform:translateY(0)}.input-group{display:flex;flex-direction:column;gap:6px}.input-group label{font-size:.8125rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.input{width:100%;padding:12px 16px;background:var(--bg-input);border:1.5px solid #d1d5db;border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-family);font-size:1rem;transition:all var(--transition-fast);min-height:44px;outline:none}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.input::placeholder{color:var(--text-tertiary)}.input-with-icon .input{padding-left:44px}.input-with-icon .input-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-tertiary);pointer-events:none}select.input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:40px}textarea.input{resize:vertical;min-height:80px}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;white-space:nowrap}.badge-warning{background:var(--warning-soft);color:var(--warning)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-info{background:var(--info-soft);color:var(--info)}.stat-card{padding:var(--space-lg);border-radius:var(--radius-lg);background:var(--gradient-card);border:1px solid rgba(0,0,0,.06);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:-50%;right:-50%;width:100%;height:100%;background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);opacity:.3;pointer-events:none}.stat-card .stat-icon{width:44px;height:44px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-md)}.stat-card .stat-value{font-size:1.75rem;font-weight:800;line-height:1.2;margin-bottom:4px}.stat-card .stat-label{font-size:.8125rem;color:var(--text-secondary);font-weight:500}.table-container{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-lg);border:1px solid rgba(0,0,0,.06)}table{width:100%;border-collapse:collapse}th,td{padding:12px 16px;text-align:left;white-space:nowrap}th{background:var(--bg-tertiary);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary)}td{border-bottom:1px solid rgba(0,0,0,.04);font-size:.875rem}tr:hover td{background:#ffffff05}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-overlay);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:flex-end;justify-content:center;padding:0;animation:fadeIn var(--transition-fast) ease-out}@media(min-width:768px){.modal-backdrop{align-items:center;padding:var(--space-lg)}}.modal{background:var(--bg-secondary);border-radius:var(--radius-xl) var(--radius-xl) 0 0;width:100%;max-height:90vh;max-height:90dvh;overflow-y:auto;animation:slideUp var(--transition-normal) ease-out;padding-bottom:var(--safe-area-bottom)}@media(min-width:768px){.modal{border-radius:var(--radius-xl);max-width:540px;animation:scaleIn var(--transition-normal) ease-out}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);border-bottom:1px solid rgba(0,0,0,.06);position:sticky;top:0;background:var(--bg-secondary);z-index:1}.modal-header h2{font-size:1.125rem}.modal-body{padding:var(--space-lg)}.modal-footer{display:flex;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);border-top:1px solid rgba(0,0,0,.06)}.modal-handle{width:36px;height:4px;border-radius:var(--radius-full);background:var(--bg-tertiary);margin:var(--space-sm) auto 0}.toast-container{position:fixed;top:calc(var(--safe-area-top) + var(--space-md));left:50%;transform:translate(-50%);z-index:2000;display:flex;flex-direction:column;gap:var(--space-sm);pointer-events:none;width:calc(100% - var(--space-lg) * 2);max-width:400px}.toast{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border-radius:var(--radius-md);background:var(--bg-secondary);border:1px solid rgba(0,0,0,.06);box-shadow:var(--shadow-lg);pointer-events:auto;animation:slideDown var(--transition-spring) ease-out}.toast-success{border-left:3px solid var(--success)}.toast-error{border-left:3px solid var(--danger)}.toast-warning{border-left:3px solid var(--warning)}.toast-info{border-left:3px solid var(--info)}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:var(--space-md)}@media(min-width:768px){.product-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}}.product-card{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid #e2e8f0;overflow:hidden;cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--shadow-sm)}.product-card:active{transform:scale(.97)}.product-card:hover{border-color:var(--accent);box-shadow:0 0 12px var(--accent-glow)}.product-card-img{width:100%;aspect-ratio:1;background:#fff;display:flex;align-items:center;justify-content:center;padding:6px;border-radius:var(--radius-sm)}.product-card-img img{width:100%;height:100%;object-fit:contain}.product-card-body{padding:var(--space-sm) var(--space-md) var(--space-md)}.product-card-name{font-size:.8125rem;font-weight:600;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.product-card-price{font-size:1rem;font-weight:800;color:var(--accent-hover)}.product-card-stock{font-size:.6875rem;color:var(--text-tertiary)}.cart-panel{position:fixed;bottom:0;left:0;right:0;background:var(--bg-secondary);border-top:1px solid rgba(0,0,0,.08);border-radius:var(--radius-xl) var(--radius-xl) 0 0;z-index:100;transition:transform var(--transition-normal);max-height:70vh;max-height:70dvh;overflow-y:auto;padding-bottom:var(--safe-area-bottom);box-shadow:var(--shadow-xl)}.cart-panel.collapsed{transform:translateY(calc(100% - 70px))}.cart-summary-bar{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);cursor:pointer;min-height:70px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--bottom-nav-height) + var(--safe-area-bottom));padding-bottom:var(--safe-area-bottom);background:var(--bg-secondary);border-top:1px solid rgba(0,0,0,.06);display:flex;align-items:center;justify-content:space-around;z-index:200;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 12px;color:var(--text-tertiary);font-size:.625rem;font-weight:600;text-decoration:none;transition:all var(--transition-fast);border-radius:var(--radius-sm);cursor:pointer;background:none;border:none;min-width:56px;position:relative}.bottom-nav-item.active{color:var(--accent-hover)}.bottom-nav-item.active:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:24px;height:2px;background:var(--accent);border-radius:var(--radius-full)}.page{padding:var(--space-md);padding-top:calc(var(--safe-area-top) + var(--space-md));padding-bottom:calc(var(--bottom-nav-height) + var(--safe-area-bottom) + var(--space-lg));min-height:100vh;min-height:100dvh}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg);gap:var(--space-md)}.page-title{font-size:1.5rem;font-weight:800}.page-subtitle{font-size:.8125rem;color:var(--text-secondary);margin-top:2px}.search-bar{position:relative;margin-bottom:var(--space-md)}.search-bar .input{padding-left:44px;background:var(--bg-tertiary);border-color:transparent}.search-bar .search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-tertiary);pointer-events:none}.category-tabs{display:flex;gap:var(--space-sm);overflow-x:auto;padding-bottom:var(--space-sm);margin-bottom:var(--space-md);-webkit-overflow-scrolling:touch;scrollbar-width:none}.category-tabs::-webkit-scrollbar{display:none}.category-tab{padding:8px 16px;border-radius:var(--radius-full);background:var(--bg-tertiary);color:var(--text-secondary);font-size:.8125rem;font-weight:600;white-space:nowrap;cursor:pointer;border:none;transition:all var(--transition-fast);min-height:36px}.category-tab.active{background:var(--accent);color:#fff;box-shadow:0 2px 8px var(--accent-glow)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-2xl);text-align:center;color:var(--text-tertiary)}.empty-state svg{margin-bottom:var(--space-md);opacity:.4}.empty-state p{font-size:.9375rem}.avatar{width:40px;height:40px;border-radius:var(--radius-full);background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.875rem;flex-shrink:0;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.qty-control{display:flex;align-items:center;gap:var(--space-sm)}.qty-control button{width:36px;height:36px;border-radius:var(--radius-md);border:1px solid rgba(0,0,0,.06);background:var(--bg-tertiary);color:var(--text-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast);font-size:1.125rem}.qty-control button:active{transform:scale(.9);background:var(--accent)}.qty-control span{min-width:32px;text-align:center;font-weight:700;font-size:1rem}.spinner{width:24px;height:24px;border:3px solid var(--bg-tertiary);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}.spinner-lg{width:40px;height:40px;border-width:4px}.list-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);border-bottom:1px solid rgba(0,0,0,.04);transition:background var(--transition-fast)}.list-item:active{background:#ffffff08}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-card-hover) 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:var(--radius-sm)}.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.items-start{align-items:flex-start}.justify-end{justify-content:flex-end}.gap-xs{gap:var(--space-xs)}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.gap-xl{gap:var(--space-xl)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:var(--space-md)}.text-sm{font-size:.8125rem}.text-xs{font-size:.75rem}.text-xl{font-size:1.5rem}.text-muted{color:var(--text-secondary)}.font-bold{font-weight:700}.font-mono{font-family:var(--font-mono)}.p-md{padding:var(--space-md)}.p-lg{padding:var(--space-lg)}.w-full{width:100%}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.relative{position:relative}.flex-shrink-0{flex-shrink:0}@media(min-width:768px){.page{padding:var(--space-xl);padding-left:calc(var(--sidebar-width) + var(--space-xl));padding-bottom:var(--space-xl)}.pos-layout{margin-left:var(--sidebar-width)}.bottom-nav{display:none}.product-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}.grid-2-md{grid-template-columns:1fr 1fr}.grid-3-md{grid-template-columns:1fr 1fr 1fr}.grid-4-md{grid-template-columns:repeat(4,1fr)}}@media(min-width:1024px){.product-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}}.login-page{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:var(--space-lg);background:var(--bg-primary);position:relative;overflow:hidden}.login-page:before{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,var(--accent-glow),transparent 70%);top:-100px;right:-100px;pointer-events:none}.login-page:after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.15),transparent 70%);bottom:-80px;left:-80px;pointer-events:none}.login-card{width:100%;max-width:400px;position:relative;z-index:1}.login-logo{text-align:center;margin-bottom:var(--space-xl)}.login-logo h1{font-size:2rem;font-weight:900;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-logo p{color:var(--text-secondary);margin-top:var(--space-xs)}.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid #e2e8f0;padding:var(--space-lg);display:none;flex-direction:column;z-index:300;overflow-y:auto;box-shadow:2px 0 8px #0000000a}@media(min-width:768px){.sidebar{display:flex}}.sidebar-logo{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-xl);padding-bottom:var(--space-lg);border-bottom:1px solid rgba(0,0,0,.06)}.sidebar-logo h2{font-size:1.25rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}.sidebar-link{display:flex;align-items:center;gap:var(--space-md);padding:10px 14px;border-radius:var(--radius-md);color:var(--text-secondary);font-size:.875rem;font-weight:500;transition:all var(--transition-fast);cursor:pointer;text-decoration:none;border:none;background:none;width:100%;text-align:left}.sidebar-link:hover{background:var(--bg-tertiary);color:var(--text-primary)}.sidebar-link.active{background:var(--accent-soft);color:var(--accent-hover);font-weight:600}.sidebar-section-title{font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-tertiary);padding:var(--space-md) var(--space-sm) var(--space-sm)}.sidebar-footer{border-top:1px solid rgba(0,0,0,.06);padding-top:var(--space-md);margin-top:auto}.numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-sm);max-width:280px;margin:0 auto}.numpad-btn{aspect-ratio:1.5;border-radius:var(--radius-md);border:1px solid rgba(0,0,0,.08);background:var(--bg-tertiary);color:var(--text-primary);font-size:1.5rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.numpad-btn:active{transform:scale(.95);background:var(--accent)}.tab-bar{display:flex;border-bottom:1px solid rgba(0,0,0,.06);margin-bottom:var(--space-md)}.tab-item{flex:1;text-align:center;padding:var(--space-md);font-size:.875rem;font-weight:600;color:var(--text-tertiary);cursor:pointer;border-bottom:2px solid transparent;transition:all var(--transition-fast);background:none;border-top:none;border-left:none;border-right:none}.tab-item.active{color:var(--accent-hover);border-bottom-color:var(--accent)}.input-with-icon{position:relative}.input-with-icon .input-icon{position:absolute;left:var(--space-md);top:50%;transform:translateY(-50%);color:var(--text-tertiary);pointer-events:none;z-index:1}.input-with-icon .input{padding-left:calc(var(--space-md) + 28px)}.search-bar{position:relative;margin-bottom:var(--space-lg)}.search-bar .search-icon{position:absolute;left:var(--space-md);top:50%;transform:translateY(-50%);color:var(--text-tertiary);pointer-events:none}.search-bar .input{padding-left:calc(var(--space-md) + 28px);width:100%}.spinner{display:inline-block;width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.card-interactive{transition:all var(--transition-fast)}.card-interactive:hover,.card-interactive:active{background:var(--bg-card-hover);transform:translateY(-1px)}.font-mono{font-family:JetBrains Mono,Fira Code,monospace}.danger-soft{background:#ef444426}.info-soft{background:#3b82f61a}.badge-primary{background:var(--accent-soft);color:var(--accent-hover)}.badge-success{background:var(--success-soft);color:var(--success)}.btn-full{width:100%}.btn-lg{padding:var(--space-md) var(--space-xl);font-size:1rem;min-height:52px}.text-center{text-align:center}.text-right{text-align:right}.mb-xs{margin-bottom:var(--space-xs)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.mt-xs{margin-top:var(--space-xs)}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.flex-1{flex:1}.grid-3{display:grid;grid-template-columns:repeat(3,1fr)}.text-lg{font-size:1.125rem}.text-accent{color:var(--accent-hover)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}.font-extra{font-weight:800}.pos-layout{display:flex;flex-direction:column;height:100%;min-height:calc(100vh - var(--header-height, 0px));overflow:hidden}.pos-products{flex:1;overflow-y:auto;padding:var(--space-lg);padding-bottom:100px}.pos-products-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg);gap:var(--space-md);flex-wrap:wrap}.pos-cart-panel{display:none}.pos-mobile-cart-bar{position:fixed;bottom:calc(var(--bottom-nav-height) + var(--safe-area-bottom));left:0;right:0;background:var(--bg-card);border-top:1px solid rgba(0,0,0,.08);padding:var(--space-md) var(--space-lg);display:flex;align-items:center;justify-content:space-between;z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);cursor:pointer}.pos-cart-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-sm) 0;border-bottom:1px solid rgba(0,0,0,.04)}.pos-cart-totals{padding:var(--space-md) 0}@media(min-width:1024px){.pos-layout{flex-direction:row}.pos-products{flex:1;overflow-y:auto;padding-bottom:var(--space-lg)}.pos-cart-panel{display:flex;flex-direction:column;width:380px;min-width:340px;max-width:420px;background:var(--bg-secondary);border-left:1px solid rgba(0,0,0,.06);height:100%}.pos-cart-header{padding:var(--space-lg);border-bottom:1px solid rgba(0,0,0,.06);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.pos-cart-items{flex:1;overflow-y:auto;padding:0 var(--space-lg)}.pos-cart-footer{padding:var(--space-lg);border-top:1px solid rgba(0,0,0,.06);flex-shrink:0}.pos-mobile-cart-bar{display:none}}.customer-display{position:fixed;top:0;right:0;bottom:0;left:0;background:#fff;color:#0f172a;display:flex;flex-direction:column;font-family:Inter,Noto Sans Thai,sans-serif;overflow:hidden}.cd-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem 2rem;background:linear-gradient(135deg,#eff6ff,#e0e7ff);border-bottom:1px solid #c7d2fe;flex-shrink:0}.cd-store-name{font-size:1.5rem;font-weight:800;background:linear-gradient(135deg,#4338ca,#6366f1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.cd-clock{text-align:right;font-size:.875rem;color:#475569}.cd-time{display:block;font-size:1.5rem;font-weight:700;color:#1e1b4b;font-variant-numeric:tabular-nums}.cd-body{flex:1;overflow:hidden;display:flex;flex-direction:column;padding:1.5rem 2rem;background:#fff}.cd-welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem}.cd-welcome-icon{width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,#e0e7ff,#c7d2fe);display:flex;align-items:center;justify-content:center;color:#4338ca;animation:cd-pulse 3s ease-in-out infinite}@keyframes cd-pulse{0%,to{transform:scale(1);opacity:.8}50%{transform:scale(1.05);opacity:1}}.cd-welcome h1{font-size:3rem;font-weight:800;background:linear-gradient(135deg,#3730a3,#4f46e5);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.cd-welcome p{font-size:1.25rem;color:#64748b}.cd-items{flex:1;display:flex;flex-direction:column;overflow:hidden}.cd-items-header{display:grid;grid-template-columns:1fr 80px 120px;padding:.75rem 1rem;font-size:.8125rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#475569;border-bottom:2px solid #e2e8f0;background:#f8fafc;flex-shrink:0}.cd-items-list{flex:1;overflow-y:auto}.cd-item{display:grid;grid-template-columns:1fr 80px 120px;align-items:center;padding:.875rem 1rem;border-bottom:1px solid #f1f5f9;transition:all .3s ease}.cd-item-latest{background:#eeeffe;border-left:4px solid #4f46e5;animation:cd-highlight .5s ease}@keyframes cd-highlight{0%{background:#c7d2fe;transform:translate(10px)}to{background:#eeeffe;transform:translate(0)}}.cd-item-info{display:flex;align-items:center;gap:.75rem}.cd-item-img{width:40px;height:40px;border-radius:8px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;color:#94a3b8;border:1px solid #e2e8f0}.cd-item-img img{width:100%;height:100%;object-fit:cover}.cd-item-name{font-size:1.0625rem;font-weight:600;color:#0f172a}.cd-item-qty{text-align:center;font-size:1rem;font-weight:600;color:#475569}.cd-item-price{text-align:right;font-size:1.125rem;font-weight:700;color:#4338ca}.cd-totals{flex-shrink:0;padding-top:1rem;border-top:2px solid #e2e8f0;margin-top:auto;background:#fff}.cd-total-row{display:flex;justify-content:space-between;padding:.5rem 0;font-size:1.0625rem;color:#475569}.cd-discount{color:#dc2626;font-weight:600}.cd-grand-total{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-top:2px solid #6366f1;margin-top:.5rem}.cd-grand-total span:first-child{font-size:1.5rem;font-weight:800;color:#0f172a}.cd-big-price{font-size:2.75rem;font-weight:900;background:linear-gradient(135deg,#4338ca,#6366f1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.cd-sale-complete{position:fixed;top:0;right:0;bottom:0;left:0;background:#fffffffa;display:flex;align-items:center;justify-content:center;z-index:1000;animation:cd-fade-in .4s ease}@keyframes cd-fade-in{0%{opacity:0}to{opacity:1}}.cd-sale-complete-inner{text-align:center;animation:cd-scale-in .5s ease;width:100%;max-width:480px;padding:2rem}@keyframes cd-scale-in{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.cd-check-icon{width:110px;height:110px;border-radius:50%;background:#dcfce7;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;color:#16a34a;box-shadow:0 10px 25px -5px #16a34a33}.cd-sale-complete h1{font-size:2.25rem;font-weight:800;color:#0f172a;margin-bottom:.5rem}.cd-receipt{font-size:1rem;color:#64748b;margin-bottom:1.5rem}.cd-sale-total,.cd-sale-change{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;margin:0 auto;max-width:400px;border-radius:12px}.cd-sale-total{background:#e0e7ff;margin-bottom:.75rem}.cd-sale-total span:first-child{font-size:1.25rem;font-weight:700;color:#3730a3}.cd-sale-change{background:#dcfce7}.cd-sale-change span:first-child{font-size:1.25rem;font-weight:700;color:#15803d}.cd-sale-change .cd-big-price{background:linear-gradient(135deg,#15803d,#16a34a);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.cd-footer{padding:1rem 2rem;text-align:center;font-size:.875rem;color:#64748b;border-top:1px solid #e2e8f0;background:#f8fafc;flex-shrink:0}.pos-barcode-bar{margin-bottom:var(--space-lg)}.pos-barcode-input-wrap{position:relative;display:flex;align-items:center}.pos-barcode-icon{position:absolute;left:var(--space-lg);color:var(--accent);pointer-events:none;z-index:1}.pos-barcode-input{width:100%;padding:var(--space-lg) var(--space-xl);padding-left:calc(var(--space-lg) + 36px);padding-right:90px;font-size:1.125rem;font-weight:500;background:var(--bg-card);border:2px solid #e2e8f0;border-radius:var(--radius-lg);color:var(--text-primary);outline:none;transition:all var(--transition-fast);min-height:60px;box-shadow:var(--shadow-sm)}.pos-barcode-input::placeholder{color:var(--text-tertiary);font-weight:400}.pos-barcode-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft),var(--shadow-md)}.pos-hotkeys-bar{display:flex;flex-wrap:wrap;gap:var(--space-sm);padding:var(--space-md);background:#6366f114;border:1px solid rgba(99,102,241,.15);border-radius:var(--radius-lg);margin-bottom:var(--space-lg);animation:cd-fade-in .2s ease}.pos-hotkey{display:flex;align-items:center;gap:var(--space-xs);font-size:.75rem;color:var(--text-secondary)}.pos-hotkey kbd,kbd{display:inline-block;padding:2px 7px;font-size:.6875rem;font-weight:700;font-family:inherit;background:var(--bg-tertiary);border:1px solid rgba(0,0,0,.06);border-radius:4px;color:var(--accent-hover);line-height:1.4}.pos-barcode-camera{position:absolute;right:44px;background:none;border:none;color:var(--accent);cursor:pointer;padding:6px;border-radius:50%;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.pos-barcode-camera:hover{background:var(--accent-soft);color:var(--accent-hover)}.pos-barcode-clear{position:absolute;right:var(--space-md);background:var(--bg-tertiary);border:none;border-radius:50%;width:26px;height:26px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.pos-barcode-clear:hover{background:var(--danger);color:#fff}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}body.perf-mode *,body.perf-mode *:before,body.perf-mode *:after{animation-duration:0s!important;animation-delay:0s!important;transition-duration:0s!important;transition-delay:0s!important}body.perf-mode .product-card{box-shadow:none}body.perf-mode .product-card:hover{box-shadow:none;transform:none}body.perf-mode .product-card:active{transform:none}body.perf-mode .sidebar,body.perf-mode .pos-mobile-cart-bar,body.perf-mode .modal-overlay,body.perf-mode .bottom-nav{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}body.perf-mode .card,body.perf-mode .card-interactive{box-shadow:none}body.perf-mode .card-interactive:hover{box-shadow:none;transform:none}