:root{--color-white: #ffffff;--color-gray-50: #fafafa;--color-gray-100: #f5f5f7;--color-gray-200: #e8e8ed;--color-gray-300: #d2d2d7;--color-gray-400: #86868b;--color-gray-500: #6e6e73;--color-gray-600: #515154;--color-gray-700: #3a3a3c;--color-gray-800: #2c2c2e;--color-gray-900: #1d1d1f;--color-black: #000000;--color-primary: #0071e3;--color-primary-hover: #0077ed;--color-primary-active: #006edb;--color-success: #34c759;--color-success-light: #e8f9ed;--color-warning: #ff9500;--color-warning-light: #fff4e5;--color-error: #ff3b30;--color-error-light: #ffebe9;--color-info: #5ac8fa;--color-status-available: #34c759;--color-status-occupied: #ff9500;--color-status-reserved: #5ac8fa;--color-status-maintenance: #8e8e93;--color-order-pending: #ff9500;--color-order-preparing: #5ac8fa;--color-order-ready: #34c759;--color-order-served: #8e8e93;--font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;--font-family-mono: "SF 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.15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--transition-spring: .4s cubic-bezier(.34, 1.56, .64, 1);--z-dropdown: 100;--z-sticky: 200;--z-modal-backdrop: 300;--z-modal: 400;--z-toast: 500;--container-sm: 640px;--container-md: 768px;--container-lg: 1024px;--container-xl: 1280px}@media (prefers-color-scheme: dark){:root{--color-background: var(--color-gray-900);--color-surface: var(--color-gray-800);--color-text-primary: var(--color-white);--color-text-secondary: var(--color-gray-400)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-family);font-size:var(--text-base);font-weight:var(--font-regular);line-height:var(--leading-normal);letter-spacing:var(--tracking-normal);color:var(--color-gray-900);background-color:var(--color-gray-50);min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:var(--font-semibold);letter-spacing:var(--tracking-tight);line-height:var(--leading-tight);color:var(--color-gray-900)}h1{font-size:var(--text-4xl)}h2{font-size:var(--text-3xl)}h3{font-size:var(--text-2xl)}h4{font-size:var(--text-xl)}h5{font-size:var(--text-lg)}h6{font-size:var(--text-md)}p{color:var(--color-gray-600)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}::selection{background-color:#0071e333}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none}input,textarea,select{font-family:inherit;font-size:inherit}ul,ol{list-style:none}img{max-width:100%;height:auto;display:block}table{border-collapse:collapse;width:100%}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-gray-300);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-gray-400)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.animate-fade-in{animation:fadeIn var(--transition-base) ease-out}.animate-slide-up{animation:slideUp var(--transition-slow) ease-out}.animate-scale-in{animation:scaleIn var(--transition-base) ease-out}body{background:var(--color-gray-50);-webkit-tap-highlight-color:transparent;overscroll-behavior:none}.app-shell{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}.app-header{position:sticky;top:0;z-index:var(--z-sticky);background:#fffc;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--color-gray-100);padding:var(--space-4)}.header-content{display:flex;align-items:center;justify-content:space-between}.header-title{font-size:var(--text-lg);font-weight:var(--font-semibold)}.session-timer{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);background:var(--color-gray-100);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:var(--font-medium)}.timer-warning{background:var(--color-warning-light);color:var(--color-warning)}.timer-critical{background:var(--color-error-light);color:var(--color-error);animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.category-tabs{display:flex;gap:var(--space-2);padding:var(--space-3) var(--space-4);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;background:var(--color-white);border-bottom:1px solid var(--color-gray-100)}.category-tabs::-webkit-scrollbar{display:none}.category-tab{flex-shrink:0;padding:var(--space-2) var(--space-4);font-size:var(--text-base);font-weight:var(--font-medium);color:var(--color-gray-500);background:transparent;border-radius:var(--radius-full);transition:all var(--transition-fast);white-space:nowrap}.category-tab.active{background:var(--color-gray-900);color:var(--color-white)}.menu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-3);padding:var(--space-4)}@media (min-width: 480px){.menu-grid{grid-template-columns:repeat(3,1fr)}}.menu-item{background:var(--color-white);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition-fast)}.menu-item:active{transform:scale(.98)}.menu-item-image{aspect-ratio:1;background:var(--color-gray-100);display:flex;align-items:center;justify-content:center}.menu-item-image svg{width:32px;height:32px;color:var(--color-gray-300)}.menu-item-info{padding:var(--space-3)}.menu-item-name{font-size:var(--text-base);font-weight:var(--font-medium);color:var(--color-gray-900);line-height:var(--leading-snug);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.menu-item-price{font-size:var(--text-sm);color:var(--color-gray-500);margin-top:var(--space-1)}.cart-button{position:fixed;bottom:var(--space-4);left:var(--space-4);right:var(--space-4);height:56px;display:flex;align-items:center;justify-content:center;gap:var(--space-3);background:var(--color-gray-900);color:var(--color-white);font-size:var(--text-md);font-weight:var(--font-semibold);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);transition:all var(--transition-fast)}.cart-button:active{transform:scale(.98)}.cart-count{display:flex;align-items:center;justify-content:center;min-width:24px;height:24px;padding:0 var(--space-2);background:var(--color-white);color:var(--color-gray-900);font-size:var(--text-sm);font-weight:var(--font-semibold);border-radius:var(--radius-full)}.bottom-sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:var(--z-modal-backdrop)}.bottom-sheet{position:fixed;bottom:0;left:0;right:0;background:var(--color-white);border-radius:var(--radius-2xl) var(--radius-2xl) 0 0;max-height:90vh;max-height:90dvh;display:flex;flex-direction:column;z-index:var(--z-modal)}.bottom-sheet-handle{width:36px;height:5px;background:var(--color-gray-300);border-radius:var(--radius-full);margin:var(--space-3) auto}.bottom-sheet-content{flex:1;overflow-y:auto;padding:0 var(--space-4) var(--space-4)}.order-status-card{background:var(--color-white);border-radius:var(--radius-xl);padding:var(--space-4);margin:var(--space-4);box-shadow:var(--shadow-sm)}.order-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) 0;border-bottom:1px solid var(--color-gray-100)}.order-item:last-child{border-bottom:none}.order-item-name{font-weight:var(--font-medium)}.order-item-qty{font-size:var(--text-sm);color:var(--color-gray-500)}.status-badge{padding:var(--space-1) var(--space-3);font-size:var(--text-xs);font-weight:var(--font-semibold);border-radius:var(--radius-full);text-transform:uppercase}.status-pending{background:var(--color-warning-light);color:#b35c00}.status-preparing{background:#e5f6fd;color:#0969da}.status-ready{background:var(--color-success-light);color:#1a7f37}.status-served{background:var(--color-gray-100);color:var(--color-gray-500)}