Cryptic crossword No 3,997

Across

1. Sufferings when game Independent dropped leaves sage unhappy (7)
2. One taking spirited worldview in an international film (7)
3. Mix up earth in shock container (7)
4. Building estimate includes time for fixtures in spare room (5,6)
5. Old fossils' regular shapes (7)
6. Hah! Gigs recollected like a terrible old woman (7)
7. Essays, say, making wits grin (8)
8. Pairs initially dancing uneasily? Enjoy! That's Strictly! (5)
9. Some garlic and a bay leaf's first put in (5)
10. Fifi gees up Guys maybe (8)
11. King bathed in stertorous sound is given large breathing tube (7)
12. Good tea, chill briefly out (7)
13. Spanish inquisition gutted about secret police chief (7)

Down

1. Thin loom weaving big block (8)
2. Glamorous travellers producing puzzles at speed? (3-7)
3. Long-distance transport we found outside Foreign Office (4)
4. Suppose to have been submerged in wreck once (6)
5. Tom adopts trimmed party neckwear (6)
6. Treats Bill, Tim and Graeme (7)
7. Variables disguise fortune in currency (5)
8. Most imperious abnormally high statue (10)
9. Hatless nut genuine about run in city (7)
10. Back outside, one fellow by Aussie vegetation (8)
11. Pale like Scottish woman (5)
12. Part of Kent finally lost to small Anglo-Saxon landholders (6)
13. Naked Aunt Ruth confused but injury free (6)
14. Starving finally and weak, wanting a big dinner (6)
15. Optical equipment the French acquire new (4)
16. Twins sign me up in trap - me again! (6)