:root{--bg-color:#0b0510;--surface-color:#1a1025;--surface-color-hover:#231633;--text-primary:#e6e0f0;--text-secondary:#a89bb9;--accent-color:#9d4edd;--accent-color-hover:#b56ff1;--accent-gradient:linear-gradient(135deg, #7b2cbf 0%, #c77dff 100%);--success-color:#10b981;--border-radius:16px;--transition:all .3s cubic-bezier(.25, .8, .25, 1);--shadow-sm:0 4px 6px -1px #00000080;--shadow-glow:0 0 20px #9d4edd4d}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}#app{max-width:600px;margin:0 auto;padding:16px 10px}header{border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;display:flex}h1{background:var(--accent-gradient);-webkit-text-fill-color:transparent;text-shadow:0 2px 10px #9d4edd33;-webkit-background-clip:text;font-size:1.5rem;font-weight:700}.btn-primary{background:var(--surface-color);color:var(--text-primary);border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-sm);border:1px solid #9d4edd66;outline:none;padding:10px 16px;font-size:.9rem;font-weight:600}.btn-primary:not(:disabled):hover{background:var(--accent-gradient);box-shadow:var(--shadow-glow);border-color:#0000;transform:translateY(-2px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;border-color:#ffffff1a}.loader{text-align:center;color:var(--text-secondary);padding:40px;font-style:italic;animation:1.5s infinite alternate pulse}@keyframes pulse{0%{opacity:.6}to{opacity:1}}.category-group{background:var(--surface-color);border-radius:var(--border-radius);box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid #ffffff05;margin-bottom:16px;padding:12px}.category-group:hover{border-color:#9d4edd33}.category-title{color:var(--accent-color);align-items:center;gap:8px;margin-bottom:12px;font-size:1rem;font-weight:600;display:flex}.product-item{cursor:pointer;transition:var(--transition);border-radius:8px;align-items:center;margin-bottom:4px;padding:8px 10px;display:flex}.product-item:nth-child(odd){background:#ffffff0f}.product-item:nth-child(2n){background:#0000004d}.product-item:last-child{margin-bottom:0}.product-item:hover{background:var(--surface-color-hover);transform:translate(4px)}.product-item.checked{opacity:.6}.product-item.checked .product-name{color:var(--text-secondary);text-decoration:line-through}.product-checkbox{appearance:none;border:2px solid var(--text-secondary);cursor:pointer;width:20px;height:20px;transition:var(--transition);background-color:#0000;border-radius:4px;margin-right:12px;position:relative}.product-checkbox:checked{background-color:var(--success-color);border-color:var(--success-color)}.product-checkbox:checked:after{content:"";border:2px solid #fff;border-width:0 2px 2px 0;width:3px;height:8px;position:absolute;top:3px;left:6px;transform:rotate(45deg)}.product-name{transition:var(--transition);flex:1;font-size:.95rem;font-weight:400}.empty-state{text-align:center;color:var(--text-secondary);background:var(--surface-color);border-radius:var(--border-radius);border:1px dashed #ffffff1a;padding:40px 20px}.empty-state p{margin-top:8px;font-size:.95rem}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:.4s cubic-bezier(.25,.8,.25,1) forwards slideIn}.product-info{flex:1;grid-template-columns:1fr 70px 80px 30px;align-items:center;gap:8px;display:grid}.col-qty{text-align:left}.col-price{text-align:right}.badge-qty{color:var(--text-primary);background:#ffffff1a;border-radius:12px;padding:2px 8px;font-size:.75rem;font-weight:700}.badge-price{color:#d4a5ff;background:#9d4edd33;border:1px solid #9d4edd4d;border-radius:12px;padding:2px 8px;font-size:.75rem;font-weight:600}.product-item.checked .badge-qty,.product-item.checked .badge-price{opacity:.5;filter:grayscale()}.fab{background:var(--accent-gradient);color:#fff;width:56px;height:56px;box-shadow:var(--shadow-glow);cursor:pointer;z-index:100;transition:var(--transition);border:none;border-radius:50%;justify-content:center;align-items:center;font-size:28px;display:flex;position:fixed;bottom:24px;right:24px}.fab:hover{transform:scale(1.1)}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;opacity:1;background:#000000b3;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .3s;display:flex;position:fixed;top:0;left:0}.modal-overlay.hidden{opacity:0;pointer-events:none}.modal-content{background:var(--surface-color);border-radius:var(--border-radius);border:1px solid #9d4edd4d;width:90%;max-width:400px;padding:24px;transition:transform .3s;transform:translateY(0);box-shadow:0 10px 25px #00000080}.modal-overlay.hidden .modal-content{transform:translateY(20px)}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-header h2{color:var(--text-primary);margin:0;font-size:1.25rem}.btn-icon{cursor:pointer;opacity:.7;background:0 0;border:none;font-size:1.2rem;transition:opacity .2s}.btn-icon:hover{opacity:1}.btn-icon.hidden{display:none}.form-group{margin-bottom:16px}.form-group label{color:var(--text-secondary);margin-bottom:6px;font-size:.85rem;display:block}.form-group input,.form-group select{width:100%;color:var(--text-primary);background:#0003;border:1px solid #ffffff1a;border-radius:8px;padding:10px 12px;font-family:inherit;font-size:1rem}.form-group select option{background-color:var(--surface-color);color:var(--text-primary)}.form-group input:focus,.form-group select:focus{border-color:var(--accent-color);outline:none;box-shadow:0 0 0 2px #9d4edd33}.modal-actions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.btn-secondary{color:var(--text-secondary);border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);background:0 0;border:1px solid #ffffff1a;padding:10px 16px;font-weight:600}.btn-secondary:hover{color:var(--text-primary);background:#ffffff0d}.btn-edit{cursor:pointer;opacity:.5;background:0 0;border:none;border-radius:4px;padding:4px;transition:all .2s}.btn-edit:hover{opacity:1;background:#ffffff1a}