The clutch pedal is flat on the floor and can only get to its operational height by pulling it up by hand.When pressing it down slowly,it clicks and there seems to be no resistance and it back on the floor again.Also the brake pedal has become stiff since this has happened.The brake/clutch fluid seems ok.

Sounds like the clutch cable needs adjustment so that the clutch is completely disengaged for shifting. Being a hydraulic clutch operation system there is no adjustment I'm afraid bar pedal height at the master cylinder push rod to pedal and that wouldn't solve the problem - as over all adjustment generally occurs as the clutch wears..so a good clutch would bite in the region of between the floor and mid way on the clutch pedal travel..if bite point is flat to floor then it possible you have drag on the clutch or its not clearing properly either a fault on the release system/hydraulic side either weak slave/master cylinder "prob try to bleed through again maybe and see if any improvement is felt"..or defective drive plate, buckled plate,weak pressure plate which releases the friction plate or seizure on spines/seized spigot bearing all of which would require inspection with the gearbox out. Hope this helps.

close of the bleeder nipple
you may have to operate the pedal by hand to pull it op of the floor a few times
open the nipple with the pedal on the floor . close off the nipple while the pedal is down . repeat the process until the air is bled out

`Did it bleed, did fluid come out in a steady stream? Isn't there a spring to bring the pedal off the floor?
Check the linkage of the pedal to rod to the clutch master cylinder, make sure that is all together. Any chance the master has an internal leak and won't build hydraulic pressure down at the slave? If you get it bled, then watch the slave operation while someone works the clutch pedal. The piston on the slave should extend and push the clutch fork enough to disengage the clutch.

Clutch plate and pressure plate seem to be too weak to pull the car. To test the clutch plate, park the car on flat surface. Pull the hand brake up, start the car, depress the foot brake pedal, depress the clutch pedal, put the car in 1st gear, press the gas pedal and leave the clutch pedal at once, while keeping the brake pedal depressed.
Follow one of the two following statements:
1. Engine does not shut down and remain start. (Clutch plate, pressure plate and clutch bearing defective - Replace all as a set)
2. Engine shuts down. (Clutch system is OK and does not require any repair).

If the clutch is hydraulic operated, you need to bleed the clutch at the slave cylinder, down on the transmission housing. Bleed it just like you bleed brakes of air in the line-open bleeder valve, someone pushes clutch pedal slowly to floor, close valve, and repeat until fluid comes out valve in a steady stream. Make sure the clutch reservoir is full before starting. It uses regular brake fluid.
If not hydraulic, it would be cable operated. Adjust the cable until clutch pedal is right.

Your clutch fluid reservoir may need brake fluid-yes, it uses brake fluid as a hydraulic fluid. Check reservoir on the firewall. It will sit beside the brake master cylinder. The reservoir sits atop the clutch master cylinder.
If it was dry, the clutch may need bleeding down at the slave cylinder on the transmission housing-where the clutch fork sticks out of the transaxle.. Open the bleed valve on the slave cylinder, and have someone slowly press clutch down. Keep bleeding until a steady stream of fluid comes out when clutch is pressed. Then close bleed valve, check clutch operation-pedal should have some pressure on it now.

Per the Ford owners manual:

The clutch on your

vehicle is operated by

a cable. As necessary, adjust the clutch as described

below.

1. Turn the engine off and shift into 1 (First).

2. Put your foot under the clutch pedal and gently

pull it up until the pedal stops.

3. Push the clutch pedal down slowly. You will hear a
click as the clutch adjusts itself.

Clutch ADJUSTMENTS 1997-98 Models CLUTCH PEDAL HEIGHT The clutch pedal height should not be a periodic adjustment but may be checked after components of the mechanical clutch system have been replaced. The proper clutch pedal height should be 0.2 in. (5mm) above the brake pedal height If adjustment is necessary, loosen the locknut and turn the adjusting bolt until the appropriate height is reached. Once set, keep the bolt from turning and tighten the locknut to secure the adjustment. CLUTCH PEDAL FREE-PLAY The clutch pedal free-play should be checked from time-to-time in order to assure proper clutch operation. The proper clutch free-play should be 0.6-1.1 in. (15-25mm). Fig. 1: Pedal free-play is adjusted at the joint nut (2), while keeping the outer cable nuts (3) tightened around the center cable thread portion

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. If the free-play must be adjusted, turn the joint nut (2) located at the transmission end of the clutch cable in or out, as necessary to achieve the proper play.
3. Once the correct pedal free-play is obtained, check the free-play on the release arm (c), it should be 0.02-0.06 in. (0.5-1.5mm).

1999-01 Models These vehicles are equipped with a hydraulic clutch system. No adjustment is necessary.

TO ADJUST PEDAL HEIGHT ADJUST WITH A STOPPER LIMITING THE UPWARD TRAVEL OF THE PEDAL.PEDAL FREE PLAY IS ADJUSTED AT THE MASTERCYLINDER PUSH ROD.IF PUSH ROD IS NON ADJUSTABLE FREE PLAY IS ADJUSTED BY PLACING SHIMS BETWEEN THE MASTERCYLINDER AND THE FIREWALL.ON A FEW MODELS PEDAL FREE PLAY CAN ALSO BE ADJUSTED AT THE OPERATING SLAVE CYLINDER PUSHROD.PUSHRODS ARE AVAILABLE IN THREE LENGTHS FOR THE 310.PEDAL HEIGHT ABOVE FLOOR IS 6.73 - 7.13 INCH PEDAL FREE PLAY IS 0.04 - 0.12 INCH.YOU HAVE CLUTCH FLUID LONG AS YOU SEE BRAKE FLUID IN MASTERCYLINDER.IF MASTERCYLINDER LOW YOU HAVE TO BLEED THE THE CLUTCH MASTERCYLINDER BY LOCATING BLEED SCREW ON SLAVE CYLINDER. REMOVE THE BLEED SCREW DUST CAP.ATTACH A CLEAR TUBE TO THE BLEED SCREW.PUT OTHER END OF CLEAR TUBE IN A CLEAN CONTAINER OF BRAKE FLUID.FILL THE MASTERCYLINDER WITH BRAKE FLUID.OPEN BLEED SCREW 3/4 A TURN.DEPRESS CLUTCH PEDAL QUICKLY.HOLD IT DOWN.HAVE A HELPER TIGHTEN THE BLEED SCREW.ALLOW PEDAL TO RETURN SLOWLY.BLEEDER SCREW TORQUE IS 5 - 6 FT LBS.IF YOU SEE AIR BUBBLES CLEAR BLEED TUBE.REPEAT THE BLEED PROCESS UNTIL YOU SEE NO AIR BUBBLES.DONT LET CLUTCH MASTERCYLINDER GO DRY WHILE BLEEDING.IF SO YOU GOT START BLEEDING PROCESS ALL OVER.HOPE THIS HELP.

I assume it is a cable operated clutch. If so the adjustment is tightened so that there is about 1/2 to 1" of pedal travel to clutch operation, provided the gears can be selected smoothly.