*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f5f5;color:#333;line-height:1.5}.app{max-width:600px;margin:0 auto;padding:20px;min-height:100vh}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;border-bottom:2px solid #e0e0e0}.header h1{font-size:1.5rem;color:#2c3e50}.header button{background:#3498db;color:#fff;border:none;padding:8px 16px;border-radius:6px;font-size:.9rem;cursor:pointer}.form-group{margin-bottom:15px}.form-group label{display:block;font-weight:600;margin-bottom:5px;color:#555}.form-group select{width:100%;padding:12px;font-size:1rem;border:1px solid #ddd;border-radius:8px;background:#fff}.check-btn{width:100%;background:#27ae60;color:#fff;border:none;padding:15px;font-size:1.1rem;font-weight:600;border-radius:8px;cursor:pointer;margin-top:10px}.result{margin-top:20px;padding:20px;border-radius:10px}.result.success{background:#d4edda;border:2px solid #28a745}.result.partial{background:#fff3cd;border:2px solid #ffc107}.result h3{font-size:1.1rem;margin-bottom:15px}.breakdown{display:flex;flex-direction:column;gap:8px}.material-item{display:flex;justify-content:space-between;padding:10px;border-radius:6px;background:#fff}.material-item.short{border-left:4px solid #dc3545}.material-item.enough{border-left:4px solid #28a745}.material-item .name{font-weight:500}.material-item .qty{font-size:.9rem;text-align:right}.material-item .need{color:#dc3545;font-weight:600}.inventory-view h2{margin-bottom:10px}.unit-toggle{display:flex;align-items:center;gap:8px;margin-bottom:15px;padding:10px;background:#f5f5f5;border-radius:8px}.unit-toggle span{font-weight:600}.inv-controls{margin-bottom:15px}.inv-actions{display:flex;gap:8px;margin-top:10px}.inv-action-btn{flex:1;padding:10px;background:#3498db;color:#fff;border:none;border-radius:6px;font-size:.9rem;cursor:pointer}.inv-action-btn.reset{background:#e74c3c}.unit-toggle button{flex:1;padding:8px 12px;border:1px solid #ddd;background:#fff;cursor:pointer;border-radius:6px}.unit-toggle button.active{background:#27ae60;color:#fff;border-color:#27ae60}.material-list{display:flex;flex-direction:column;gap:8px}.material-row{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a}.material-name{font-weight:500}.material-qty{display:flex;align-items:center;gap:10px}.add-btn{background:#3498db;color:#fff;border:none;width:28px;height:28px;border-radius:50%;font-size:1.2rem;cursor:pointer}.reset-one-btn{background:#95a5a6;color:#fff;border:none;width:24px;height:24px;border-radius:4px;font-size:.9rem;cursor:pointer;margin-right:5px}.reset-all-btn{width:100%;padding:15px;background:#e74c3c;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;margin-top:20px}.mix-btn{width:100%;background:#8e44ad;color:#fff;border:none;padding:15px;font-size:1rem;font-weight:600;border-radius:8px;cursor:pointer;margin-top:15px}.shop-btn{flex:1;background:#3498db;color:#fff;border:none;padding:15px;font-size:1rem;font-weight:600;border-radius:8px;cursor:pointer;margin-top:10px}.shop-buttons{display:flex;gap:10px;margin-top:10px}.copy-btn{flex:1;background:#9b59b6;color:#fff;border:none;padding:15px;font-size:1rem;font-weight:600;border-radius:8px;cursor:pointer;margin-top:10px}.header-title{display:flex;align-items:center;gap:10px}.mode-btn{background:#e67e22;color:#fff;border:none;padding:6px 12px;border-radius:6px;font-size:.85rem;cursor:pointer}.mode-toggle{display:flex;gap:0;margin-bottom:15px;border-radius:8px;overflow:hidden}.mode-toggle button{flex:1;padding:12px;border:1px solid #ddd;background:#f5f5f5;cursor:pointer}.mode-toggle button.active{background:#e67e22;color:#fff}.batch-mode{display:none}.batch-mode.show{display:block}.batch-mode .form-group label{width:60px}.remove-batch-btn{background:#e74c3c;color:#fff;border:none;width:24px;height:24px;border-radius:4px;cursor:pointer}.batch-item{display:flex;justify-content:space-between;align-items:center;padding:8px;background:#fff;border-radius:6px;margin-bottom:5px}.batch-mode{margin-top:15px;padding:15px;background:#ecf0f1;border-radius:8px}.batch-mode .form-group{display:flex;gap:10px}.batch-mode select{flex:1}.add-batch-btn{background:#27ae60;color:#fff;border:none;padding:12px 16px;border-radius:8px;font-weight:600;cursor:pointer}.batch-list{margin-top:10px;padding:10px;background:#fff;border-radius:6px}.batch-list h4{font-size:.9rem;margin-bottom:5px}.batch-list div{padding:4px 0;border-bottom:1px solid #eee}.clear-btn{width:100%;background:#e74c3c;color:#fff;border:none;padding:10px;border-radius:6px;margin-top:10px;cursor:pointer}@media (max-width: 480px){.app{padding:15px}.header h1{font-size:1.3rem}}