:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--accent: #e94560;--accent-hover: #d13a52;--text-primary: #ffffff;--text-secondary: #a0a0a0;--fab-size: 64px;--border-radius: 16px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100dvh;overflow-x:hidden}.app{max-width:480px;margin:0 auto;padding:16px 16px 100px}header{display:flex;justify-content:space-between;align-items:center;padding:8px 0 24px}h1{font-size:1.5rem;font-weight:600}.search-bar{width:100%;padding:12px 16px;border:none;border-radius:var(--border-radius);background:var(--bg-secondary);color:var(--text-primary);font-size:1rem;margin-bottom:16px}.search-bar::placeholder{color:var(--text-secondary)}.inventory-list{display:flex;flex-direction:column;gap:12px}.inventory-item{display:flex;align-items:center;gap:16px;padding:16px;background:var(--bg-secondary);border-radius:var(--border-radius);cursor:pointer;transition:transform .15s ease}.inventory-item:active{transform:scale(.98)}.item-image{width:56px;height:56px;border-radius:12px;object-fit:cover;background:#2a2a4a;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}.item-image img{width:100%;height:100%;border-radius:12px;object-fit:cover}.item-info{flex:1;min-width:0}.item-name{font-size:1rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item-brand{font-size:.85rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item-meta{display:flex;gap:8px;margin-top:6px}.item-qty{font-size:.75rem;background:var(--accent);padding:2px 8px;border-radius:8px}.item-date{font-size:.75rem;color:var(--text-secondary)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state-icon{font-size:4rem;margin-bottom:16px}.fab{position:fixed;bottom:100px;right:24px;width:var(--fab-size);height:var(--fab-size);border-radius:50%;background:var(--accent);color:#fff;border:none;font-size:2rem;cursor:pointer;box-shadow:0 4px 20px #e9456066;transition:transform .2s ease,box-shadow .2s ease;display:flex;align-items:center;justify-content:center;z-index:100}.fab:hover{transform:scale(1.05);box-shadow:0 6px 24px #e9456080}.fab:active{transform:scale(.95)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:flex-end;justify-content:center;z-index:200;opacity:0;pointer-events:none;transition:opacity .25s ease}.modal-overlay.active{opacity:1;pointer-events:all}.modal{background:var(--bg-secondary);border-radius:24px 24px 0 0;width:100%;max-width:480px;max-height:90dvh;overflow-y:auto;transform:translateY(100%);transition:transform .3s cubic-bezier(.32,.72,0,1)}.modal-overlay.active .modal{transform:translateY(0)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.1);position:sticky;top:0;background:var(--bg-secondary);z-index:1}.modal-title{font-size:1.25rem;font-weight:600}.modal-close{background:none;border:none;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;padding:4px}.modal-body{padding:24px}.scanner-container{width:100%;aspect-ratio:4/3;background:#000;border-radius:var(--border-radius);overflow:hidden;margin-bottom:20px;position:relative}.scanner-container video{width:100%;height:100%;object-fit:cover}.scanner-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;pointer-events:none}.scanner-frame{width:70%;height:40%;border:2px solid var(--accent);border-radius:8px;box-shadow:0 0 0 9999px #00000080}.scan-status{text-align:center;color:var(--text-secondary);font-size:.9rem;margin-bottom:16px}.product-preview{display:flex;gap:16px;padding:16px;background:var(--bg-primary);border-radius:var(--border-radius);margin-bottom:20px}.product-preview img{width:80px;height:80px;border-radius:12px;object-fit:cover}.preview-info{flex:1}.preview-name{font-size:1.1rem;font-weight:500;margin-bottom:4px}.preview-brand{font-size:.85rem;color:var(--text-secondary);margin-bottom:8px}.preview-barcode{font-size:.75rem;color:var(--text-secondary);font-family:monospace}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.85rem;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;padding:12px 16px;border:none;border-radius:12px;background:var(--bg-primary);color:var(--text-primary);font-size:1rem}.form-input:focus{outline:2px solid var(--accent);outline-offset:2px}.btn{width:100%;padding:14px 24px;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .15s ease}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{opacity:.9}.btn-secondary{background:#ffffff1a;color:var(--text-primary)}.btn-secondary:hover{opacity:.8}.btn:disabled{opacity:.5;cursor:not-allowed}.detail-image{width:100%;height:200px;object-fit:cover;border-radius:var(--border-radius);margin-bottom:20px}.detail-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05)}.detail-label{color:var(--text-secondary);font-size:.9rem}.detail-value{font-weight:500}.detail-actions{display:flex;gap:12px;margin-top:24px}.detail-actions .btn{flex:1}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;color:var(--text-secondary)}.spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.1);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:16px}@keyframes spin{to{transform:rotate(360deg)}}.install-banner{position:fixed;bottom:0;left:0;right:0;background:var(--bg-secondary);border-top:1px solid rgba(255,255,255,.1);padding:16px;display:flex;align-items:center;gap:12px;z-index:150;transform:translateY(100%);transition:transform .3s cubic-bezier(.32,.72,0,1)}.install-banner.visible{transform:translateY(0)}.install-icon{font-size:1.5rem;flex-shrink:0}.install-text{flex:1;display:flex;flex-direction:column}.install-text strong{font-size:.95rem}.install-text span{font-size:.8rem;color:var(--text-secondary)}.install-btn{background:var(--accent);color:#fff;border:none;padding:10px 20px;border-radius:10px;font-weight:600;font-size:.9rem;cursor:pointer}.install-close{background:none;border:none;color:var(--text-secondary);font-size:1.25rem;cursor:pointer;padding:4px 8px}.install-banner.visible{padding-bottom:max(16px,env(safe-area-inset-bottom))}