:root{--primary: #6366F1;--primary-hover: #4F46E5;--primary-light: #EEF2FF;--bg-color: #F8FAFC;--bg-light: #FFFFFF;--surface-color: #FFFFFF;--text-primary: #1E293B;--text-secondary: #64748B;--border-color: #E2E8F0;--success: #10B981;--danger: #F43F5E;--success-light: #ECFDF5;--success-border: #A7F3D0;--success-text: #047857;--success-dark: #065F46;--success-icon: #059669;--sidebar-bg: #FFFFFF;--sidebar-active: #6366F1;--sidebar-inactive: #94A3B8;--glass-bg: rgba(255, 255, 255, .85);--glass-border: rgba(255, 255, 255, .4)}html.dark{--primary: #818CF8;--primary-hover: #A5B4FC;--primary-light: rgba(129, 140, 248, .15);--bg-color: #020617;--bg-light: #0F172A;--surface-color: #1E293B;--text-primary: #F8FAFC;--text-secondary: #CBD5E1;--border-color: #334155;--success: #34D399;--danger: #FB7185;--success-light: rgba(16, 185, 129, .15);--success-border: rgba(16, 185, 129, .3);--success-text: #6EE7B7;--success-dark: #A7F3D0;--success-icon: #34D399;--sidebar-bg: #020617;--sidebar-active: #818CF8;--sidebar-inactive: #64748B;--glass-bg: rgba(30, 41, 59, .8);--glass-border: rgba(255, 255, 255, .1)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:Inter,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-primary);height:100vh;width:100vw;overflow:hidden;-webkit-user-select:none;user-select:none;-webkit-font-smoothing:antialiased}button,input,select,textarea{font-family:inherit;color:inherit}.gradient-text{background:linear-gradient(135deg,var(--primary),#D946EF);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}#root{height:100%}.app-container{display:flex;height:100%;width:100%}.main-content{flex:1;display:flex;flex-direction:column;height:100%;padding:24px;overflow-y:auto}.sidebar{width:380px;background:var(--surface-color);border-left:1px solid var(--border-color);display:flex;flex-direction:column;box-shadow:-8px 0 24px #00000005;z-index:10}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.category-tabs{display:flex;gap:12px;overflow-x:auto;padding:4px 4px 12px;scrollbar-width:none}.category-tabs::-webkit-scrollbar{display:none}.category-tab{padding:12px 28px;border-radius:99px;background:var(--surface-color);border:1px solid var(--border-color);box-shadow:0 2px 4px #00000005;color:var(--text-secondary);font-weight:600;cursor:pointer;white-space:nowrap;transition:all .2s cubic-bezier(.4,0,.2,1)}html.dark .category-tab{box-shadow:none}.category-tab.active{background:var(--primary);background:linear-gradient(135deg,var(--primary),#818CF8);color:#fff;border-color:transparent;box-shadow:0 4px 16px var(--primary-light)}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}.product-card{background:var(--surface-color);border:1px solid var(--border-color);box-shadow:0 4px 12px #00000005;border-radius:20px;padding:16px;display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start;text-align:left;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);aspect-ratio:1/1.1;position:relative;overflow:hidden}html.dark .product-card{box-shadow:none}.product-card:active{transform:scale(.96)}.product-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000000f;border-color:var(--primary-light)}.product-category{font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-light);padding:6px 12px;border-radius:8px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:32px;display:inline-block}.product-name{font-size:18px;font-weight:700;margin-bottom:8px}.product-price{font-size:20px;color:var(--primary);font-weight:800}.add-icon{position:absolute;bottom:12px;right:12px;background:var(--primary);color:#fff;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center}.cart-header{padding:24px;border-bottom:1px solid var(--border-color)}.cart-items{flex:1;overflow-y:auto;padding:12px 24px}.cart-item{display:flex;justify-content:space-between;align-items:center;padding:16px;margin-bottom:12px;background:var(--bg-color);border-radius:12px;border:1px solid transparent;transition:border-color .2s}.cart-item:hover{border-color:var(--border-color)}.cart-item-info{flex:1}.cart-item-name{font-weight:600;font-size:16px}.cart-item-price{color:var(--text-secondary);font-size:14px}.cart-item-actions{display:flex;align-items:center;gap:12px}.cart-item-actions button{background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer}.cart-item-qty{font-weight:700;width:24px;text-align:center}.remove-btn{color:var(--danger);border-color:transparent!important}.cart-footer{padding:24px;padding-bottom:max(36px,calc(24px + env(safe-area-inset-bottom)));background:var(--surface-color);border-top:1px solid var(--border-color);box-shadow:0 -8px 24px #00000005}.cart-total-row{display:flex;justify-content:space-between;font-size:24px;font-weight:800;margin-bottom:24px}.checkout-btn{width:100%;padding:20px;background:var(--primary);background:linear-gradient(135deg,var(--primary),#818CF8);color:#fff;border-radius:16px;border:none;font-size:20px;font-weight:800;cursor:pointer;transition:transform .2s,opacity .2s;box-shadow:0 8px 20px var(--primary-light)}.checkout-btn:active{transform:scale(.98)}.checkout-btn:disabled{opacity:.5;background:var(--text-secondary);box-shadow:none;cursor:not-allowed}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100}.modal-content{background:var(--surface-color);border-radius:24px;width:500px;max-width:90vw;padding:32px;box-shadow:0 20px 40px #0003}.modal-title{font-size:24px;font-weight:800;margin-bottom:24px;text-align:center}.payment-options{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}.payment-btn{padding:24px 16px;border:2px solid var(--border-color);border-radius:20px;background:var(--surface-color);display:flex;flex-direction:column;align-items:center;gap:12px;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #00000005}.payment-btn:hover{border-color:var(--primary-light);transform:translateY(-2px)}.payment-btn.active{border-color:var(--primary);background:var(--primary-light);color:var(--primary);box-shadow:0 8px 24px var(--primary-light)}.btn-icon{font-size:32px}.cash-input-group{margin-bottom:24px}.cash-input-group label{display:block;margin-bottom:8px;font-weight:600;color:var(--text-secondary)}.cash-input{width:100%;padding:16px;font-size:24px;border:2px solid var(--border-color);border-radius:16px;text-align:right;font-weight:800;background:var(--surface-color);color:var(--text-primary);transition:border-color .2s}.cash-input:focus{outline:none;border-color:var(--primary)}.change-display{text-align:right;padding:16px;background:var(--bg-light);border-radius:12px;margin-bottom:24px}.change-label{font-size:14px;color:var(--text-secondary)}.change-amount{font-size:32px;font-weight:800;color:var(--success)}.num-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}.num-btn{padding:16px;background:var(--bg-color);border:none;border-radius:12px;font-size:18px;font-weight:600;cursor:pointer}.admin-card{background:var(--surface-color);border-radius:16px;padding:24px;margin-bottom:24px;box-shadow:0 4px 6px -1px #0000001a}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.stat-item{text-align:center;padding:20px}.stat-value{font-size:28px;font-weight:800;color:var(--primary)}.stat-label{font-size:14px;color:var(--text-secondary);margin-top:4px}