.tool-card.active{box-shadow:0 10px 30px rgba(0,0,0,.15)}.tool-content.active{max-height:500px;padding:25px}.accordion-arrow.active{transform:rotate(180deg)}.success{color:#4caf50}.error{color:#f44336}.checkbox-group{display:flex;align-items:center;gap:10px}.merge-item{display:flex;justify-content:space-between;align-items:center;padding:8px;background:#fff;border-radius:4px;margin-bottom:5px}.drag-handle{cursor:move;color:#666}