:root{--font-family: "Inter", system-ui, -apple-system, sans-serif;--bg-primary: #ffffff;--bg-secondary: #f9f9fb;--bg-tertiary: #f4f4f7;--text-primary: #1e2029;--text-secondary: #646877;--text-muted: #a6aab8;--accent-primary: #a61f1f;--accent-hover: #8c1a1a;--accent-light: #fbe9e9;--yellow: #fdb927;--success: #10b981;--danger: #ef4444;--bottom-nav-height: 80px;--header-height: 70px;--border-radius-sm: 8px;--border-radius-md: 14px;--border-radius-lg: 20px;--border-radius-xl: 30px;--border-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 20px rgba(0, 0, 0, .06);--shadow-btn: 0 8px 20px rgba(166, 31, 31, .25);--transition: all .25s ease-in-out}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-family);background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}h1{font-size:2rem;font-weight:700;color:var(--text-primary)}h2{font-size:1.5rem;font-weight:600;color:var(--text-primary)}h3{font-size:1.25rem;font-weight:600;color:var(--text-primary)}h4{font-size:1.1rem;font-weight:600}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem 2rem;border-radius:var(--border-full);font-weight:600;font-size:1rem;cursor:pointer;transition:var(--transition);border:none;outline:none;text-decoration:none}.btn-primary{background:var(--accent-primary);color:#fff;box-shadow:var(--shadow-btn)}.btn-primary:hover,.btn-primary:active{background:var(--accent-hover);transform:translateY(-1px)}.btn-secondary{background:var(--bg-primary);color:var(--text-primary);border:1px solid #e1e1e8;box-shadow:var(--shadow-sm)}.form-group{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.25rem}.form-group label{font-size:.9rem;font-weight:500;color:var(--text-secondary);margin-left:.5rem}.input-field{width:100%;padding:1.1rem 1.25rem;background:var(--bg-primary);border:1px solid #e1e1e8;border-radius:var(--border-radius-md);color:var(--text-primary);font-family:var(--font-family);font-size:1rem;transition:var(--transition)}.input-field:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 4px #a61f1f1a;background:#fff}.input-field::placeholder{color:var(--text-muted)}.app-container{display:flex;flex-direction:column;height:100vh;width:100%;max-width:500px;margin:0 auto;background:var(--bg-secondary);position:relative;overflow:hidden;box-shadow:0 0 40px #0000000d}@media(min-width:1024px){.app-container{max-width:414px;height:90vh;margin-top:5vh;border-radius:40px;border:8px solid #f0f0f4}body{background:#e9e9f0}}.main-content{flex:1;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;padding-bottom:calc(var(--bottom-nav-height) + 1rem)}.content-area{flex:1;padding:1.5rem}.bottom-nav{position:absolute;bottom:0;left:0;right:0;height:var(--bottom-nav-height);background:var(--bg-primary);display:flex;justify-content:space-between;align-items:center;padding:0 1.5rem;box-shadow:0 -4px 20px #0000000d;border-top-left-radius:var(--border-radius-lg);border-top-right-radius:var(--border-radius-lg);z-index:50;padding-bottom:env(safe-area-inset-bottom)}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);text-decoration:none;position:relative;transition:var(--transition);padding:.5rem}.nav-item.active{color:var(--accent-primary)}.nav-item.active:after{content:"";position:absolute;top:-2px;left:50%;transform:translate(-50%);width:20px;height:4px;background:var(--accent-primary);border-radius:4px;display:none}.fab-cart{width:60px;height:60px;border-radius:50%;background:var(--accent-primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-btn);transform:translateY(-20px);border:4px solid var(--bg-secondary);transition:var(--transition);cursor:pointer}.fab-cart:hover{transform:translateY(-22px) scale(1.05)}.category-pill{display:flex;align-items:center;gap:.5rem;padding:.5rem 1.25rem .5rem .5rem;background:var(--bg-primary);border-radius:var(--border-full);box-shadow:var(--shadow-sm);cursor:pointer;border:1px solid transparent;transition:var(--transition);white-space:nowrap}.category-pill.active{background:var(--accent-primary);color:#fff;box-shadow:var(--shadow-btn)}.category-pill .icon-wrapper{width:32px;height:32px;border-radius:50%;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center}.category-pill.active .icon-wrapper{background:#fff3}.food-card{background:var(--bg-primary);border-radius:var(--border-radius-lg);padding:1rem;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);position:relative;transition:var(--transition)}.food-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.food-card-img-wrapper{position:relative;width:100%;padding-bottom:80%;border-radius:var(--border-radius-md);overflow:hidden;margin-bottom:1rem;background:var(--bg-tertiary)}.food-card-img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}.food-card-fav{position:absolute;top:.5rem;right:.5rem;width:30px;height:30px;background:#ffffffe6;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-muted);box-shadow:var(--shadow-sm);z-index:2;border:none;cursor:pointer}.food-card-fav.active{color:var(--accent-primary)}.food-card-add{display:flex;align-items:center;justify-content:center;background:var(--accent-primary);color:#fff;border:none;border-radius:8px;width:80px;height:32px;font-weight:600;font-size:.85rem;cursor:pointer}.hide-scrollbar::-webkit-scrollbar{display:none}.hide-scrollbar{-ms-overflow-style:none;scrollbar-width:none}@keyframes pulse-led{0%{transform:scale(.95);box-shadow:0 0 #22c55eb3}70%{transform:scale(1);box-shadow:0 0 0 6px #22c55e00}to{transform:scale(.95);box-shadow:0 0 #22c55e00}}