.mesa {
  width: 120px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.mesa:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.mesa-livre {
  background: #d4edda;
  border: 1px solid #c3e6cb;
}

.mesa-ocupada {
  background: #f8d7da;
  border: 1px solid #f5c6cb;
}

.mesa-numero {
  font-size: 1.5rem;
  font-weight: bold;
}

.mesa-status {
  font-size: 0.8rem;
}

.mesa-valor {
  font-weight: bold;
}

#refreshBtn {
  transition: transform 0.3s ease;
}

#refreshBtn:active {
  transform: rotate(180deg);
}

/* Melhorias para smartphones */
@media (max-width: 576px) {
  .mesa {
    width: 100px;
    height: 80px;
  }
  
  .container {
    padding-left: 10px;
    padding-right: 10px;
  }
  
  .card-body {
    padding: 0.75rem;
  }
  
  .modal-footer button {
    width: 100%;
    margin: 0.25rem 0;
  }
}