File size: 60,069 Bytes
8628b2d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CookMaster - Beginner Cooking App</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        /* Custom animations */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .fade-in {
            animation: fadeIn 0.5s ease-in-out;
        }
        
        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        
        ::-webkit-scrollbar-track {
            background: #f1f1f1;
            border-radius: 10px;
        }
        
        ::-webkit-scrollbar-thumb {
            background: #888;
            border-radius: 10px;
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: #555;
        }
        
        /* Custom checkbox */
        .custom-checkbox input:checked ~ .checkmark {
            background-color: #10B981;
            border-color: #10B981;
        }
        
        .custom-checkbox input:checked ~ .checkmark:after {
            display: block;
        }
        
        .custom-checkbox .checkmark:after {
            content: "";
            position: absolute;
            left: 6px;
            top: 2px;
            width: 5px;
            height: 10px;
            border: solid white;
            border-width: 0 2px 2px 0;
            transform: rotate(45deg);
        }
        
        /* Pulse animation for active buttons */
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        .pulse {
            animation: pulse 2s infinite;
        }
    </style>
</head>
<body class="bg-gray-50 font-sans">
    <!-- App Container -->
    <div id="app" class="max-w-md mx-auto bg-white shadow-lg rounded-lg overflow-hidden min-h-screen">
        <!-- Header -->
        <header class="bg-emerald-600 text-white p-4 flex justify-between items-center">
            <button id="back-btn" class="text-white invisible">
                <i class="fas fa-arrow-left text-xl"></i>
            </button>
            <h1 class="text-xl font-bold">CookMaster</h1>
            <button id="profile-btn" class="text-white">
                <i class="fas fa-user text-xl"></i>
            </button>
        </header>
        
        <!-- Main Content Area - Screens will be loaded here -->
        <main id="screen-container" class="p-4 pb-20 overflow-y-auto" style="height: calc(100vh - 128px);">
            <!-- Onboarding Screen (Default) -->
            <div id="onboarding-screen" class="fade-in">
                <div class="text-center mb-8">
                    <img src="https://cdn-icons-png.flaticon.com/512/2933/2933245.png" alt="CookMaster Logo" class="w-32 h-32 mx-auto mb-4">
                    <h2 class="text-2xl font-bold text-gray-800 mb-2">Welcome to CookMaster</h2>
                    <p class="text-gray-600">Your personal cooking assistant to help you master the kitchen!</p>
                </div>
                
                <div class="bg-emerald-50 rounded-lg p-6 mb-6">
                    <h3 class="font-semibold text-emerald-800 mb-3">Let's get started</h3>
                    <p class="text-gray-700 mb-4">Tell us about your preferences so we can recommend the best recipes for you.</p>
                    
                    <div class="space-y-4">
                        <div>
                            <label class="block text-gray-700 mb-1">Dietary Preferences</label>
                            <div class="flex flex-wrap gap-2">
                                <button class="preference-btn" data-pref="vegetarian">Vegetarian</button>
                                <button class="preference-btn" data-pref="vegan">Vegan</button>
                                <button class="preference-btn" data-pref="gluten-free">Gluten-Free</button>
                                <button class="preference-btn" data-pref="dairy-free">Dairy-Free</button>
                            </div>
                        </div>
                        
                        <div>
                            <label class="block text-gray-700 mb-1">Allergies</label>
                            <div class="flex flex-wrap gap-2">
                                <button class="preference-btn" data-pref="nuts">Nuts</button>
                                <button class="preference-btn" data-pref="shellfish">Shellfish</button>
                                <button class="preference-btn" data-pref="eggs">Eggs</button>
                                <button class="preference-btn" data-pref="soy">Soy</button>
                            </div>
                        </div>
                        
                        <div>
                            <label class="block text-gray-700 mb-1">Cooking Skill Level</label>
                            <div class="flex flex-wrap gap-2">
                                <button class="preference-btn active" data-pref="beginner">Beginner</button>
                                <button class="preference-btn" data-pref="intermediate">Intermediate</button>
                                <button class="preference-btn" data-pref="advanced">Advanced</button>
                            </div>
                        </div>
                    </div>
                </div>
                
                <button id="get-started-btn" class="w-full bg-emerald-600 hover:bg-emerald-700 text-white font-bold py-3 px-4 rounded-lg transition duration-200 pulse">
                    Get Started
                </button>
            </div>
            
            <!-- Home Screen (Hidden by default) -->
            <div id="home-screen" class="hidden fade-in">
                <div class="mb-6">
                    <h2 class="text-xl font-bold text-gray-800 mb-2">Hello, Chef!</h2>
                    <p class="text-gray-600">What would you like to cook today?</p>
                </div>
                
                <!-- Daily Tip -->
                <div class="bg-amber-50 border-l-4 border-amber-400 p-4 mb-6 rounded-r-lg">
                    <div class="flex items-start">
                        <div class="flex-shrink-0">
                            <i class="fas fa-lightbulb text-amber-500 text-xl"></i>
                        </div>
                        <div class="ml-3">
                            <h3 class="text-sm font-medium text-amber-800">Today's Tip</h3>
                            <p class="text-sm text-amber-700">Always sharpen your knives before cooking. A sharp knife is safer than a dull one!</p>
                        </div>
                    </div>
                </div>
                
                <!-- Quick Actions -->
                <div class="grid grid-cols-2 gap-4 mb-6">
                    <button id="start-cooking-btn" class="bg-emerald-100 hover:bg-emerald-200 text-emerald-800 p-4 rounded-lg flex flex-col items-center transition duration-200">
                        <i class="fas fa-utensils text-3xl mb-2"></i>
                        <span>Start Cooking</span>
                    </button>
                    <button id="try-challenge-btn" class="bg-purple-100 hover:bg-purple-200 text-purple-800 p-4 rounded-lg flex flex-col items-center transition duration-200">
                        <i class="fas fa-trophy text-3xl mb-2"></i>
                        <span>Try a Challenge</span>
                    </button>
                </div>
                
                <!-- Featured Recipes -->
                <div class="mb-4">
                    <div class="flex justify-between items-center mb-3">
                        <h3 class="font-bold text-gray-800">Featured Recipes</h3>
                        <button id="view-all-recipes-btn" class="text-emerald-600 text-sm">View All</button>
                    </div>
                    
                    <div class="grid grid-cols-2 gap-3">
                        <div class="recipe-card" data-id="1">
                            <img src="https://images.unsplash.com/photo-1546069901-ba9590aed2c5?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8MXx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60" alt="Avocado Toast" class="w-full h-32 object-cover rounded-lg">
                            <div class="p-2">
                                <h4 class="font-medium text-sm">Avocado Toast</h4>
                                <div class="flex justify-between text-xs text-gray-500 mt-1">
                                    <span><i class="fas fa-clock"></i> 10 min</span>
                                    <span><i class="fas fa-signal"></i> Easy</span>
                                </div>
                            </div>
                        </div>
                        
                        <div class="recipe-card" data-id="2">
                            <img src="https://images.unsplash.com/photo-1512621776951-a57141f2eefd?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8Mnx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60" alt="Vegetable Salad" class="w-full h-32 object-cover rounded-lg">
                            <div class="p-2">
                                <h4 class="font-medium text-sm">Vegetable Salad</h4>
                                <div class="flex justify-between text-xs text-gray-500 mt-1">
                                    <span><i class="fas fa-clock"></i> 15 min</span>
                                    <span><i class="fas fa-signal"></i> Easy</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                
                <!-- Weekly Challenge -->
                <div class="bg-gradient-to-r from-blue-50 to-indigo-50 p-4 rounded-lg">
                    <div class="flex items-center mb-2">
                        <i class="fas fa-trophy text-blue-500 mr-2"></i>
                        <h3 class="font-bold text-blue-800">Weekly Challenge</h3>
                    </div>
                    <p class="text-sm text-blue-700 mb-3">Master the perfect omelette this week!</p>
                    <button class="w-full bg-blue-500 hover:bg-blue-600 text-white text-sm font-medium py-2 px-4 rounded-lg transition duration-200">
                        Take the Challenge
                    </button>
                </div>
            </div>
            
            <!-- Recipe List/Search Screen (Hidden by default) -->
            <div id="recipe-list-screen" class="hidden fade-in">
                <div class="mb-4">
                    <div class="relative">
                        <input type="text" placeholder="Search recipes..." class="w-full p-3 pl-10 bg-gray-100 rounded-lg focus:outline-none focus:ring-2 focus:ring-emerald-500">
                        <i class="fas fa-search absolute left-3 top-3.5 text-gray-400"></i>
                    </div>
                </div>
                
                <div class="mb-4">
                    <h3 class="font-bold text-gray-800 mb-2">Filter Recipes</h3>
                    <div class="flex overflow-x-auto pb-2">
                        <button class="filter-btn active" data-filter="all">All</button>
                        <button class="filter-btn" data-filter="breakfast">Breakfast</button>
                        <button class="filter-btn" data-filter="lunch">Lunch</button>
                        <button class="filter-btn" data-filter="dinner">Dinner</button>
                        <button class="filter-btn" data-filter="dessert">Dessert</button>
                        <button class="filter-btn" data-filter="snack">Snack</button>
                    </div>
                </div>
                
                <div class="space-y-4">
                    <div class="recipe-card" data-id="1">
                        <div class="flex">
                            <img src="https://images.unsplash.com/photo-1546069901-ba9590aed2c5?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8MXx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60" alt="Avocado Toast" class="w-24 h-24 object-cover rounded-lg">
                            <div class="ml-3 flex-1">
                                <h4 class="font-medium">Avocado Toast</h4>
                                <p class="text-sm text-gray-500 mt-1">Simple, healthy and delicious breakfast</p>
                                <div class="flex justify-between text-xs text-gray-500 mt-2">
                                    <span><i class="fas fa-clock"></i> 10 min</span>
                                    <span><i class="fas fa-signal"></i> Easy</span>
                                    <span><i class="fas fa-fire"></i> 320 cal</span>
                                </div>
                            </div>
                        </div>
                    </div>
                    
                    <div class="recipe-card" data-id="2">
                        <div class="flex">
                            <img src="https://images.unsplash.com/photo-1512621776951-a57141f2eefd?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8Mnx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60" alt="Vegetable Salad" class="w-24 h-24 object-cover rounded-lg">
                            <div class="ml-3 flex-1">
                                <h4 class="font-medium">Vegetable Salad</h4>
                                <p class="text-sm text-gray-500 mt-1">Fresh and crunchy summer salad</p>
                                <div class="flex justify-between text-xs text-gray-500 mt-2">
                                    <span><i class="fas fa-clock"></i> 15 min</span>
                                    <span><i class="fas fa-signal"></i> Easy</span>
                                    <span><i class="fas fa-fire"></i> 250 cal</span>
                                </div>
                            </div>
                        </div>
                    </div>
                    
                    <div class="recipe-card" data-id="3">
                        <div class="flex">
                            <img src="https://images.unsplash.com/photo-1559847844-5315695dadae?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8NHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60" alt="Pasta" class="w-24 h-24 object-cover rounded-lg">
                            <div class="ml-3 flex-1">
                                <h4 class="font-medium">Creamy Pasta</h4>
                                <p class="text-sm text-gray-500 mt-1">Rich and creamy pasta dish</p>
                                <div class="flex justify-between text-xs text-gray-500 mt-2">
                                    <span><i class="fas fa-clock"></i> 25 min</span>
                                    <span><i class="fas fa-signal"></i> Medium</span>
                                    <span><i class="fas fa-fire"></i> 450 cal</span>
                                </div>
                            </div>
                        </div>
                    </div>
                    
                    <div class="recipe-card" data-id="4">
                        <div class="flex">
                            <img src="https://images.unsplash.com/photo-1565299624946-b28f40a0ae38?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8Nnx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60" alt="Pizza" class="w-24 h-24 object-cover rounded-lg">
                            <div class="ml-3 flex-1">
                                <h4 class="font-medium">Homemade Pizza</h4>
                                <p class="text-sm text-gray-500 mt-1">Make your own pizza from scratch</p>
                                <div class="flex justify-between text-xs text-gray-500 mt-2">
                                    <span><i class="fas fa-clock"></i> 1 hr</span>
                                    <span><i class="fas fa-signal"></i> Hard</span>
                                    <span><i class="fas fa-fire"></i> 600 cal</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- Recipe Detail Screen (Hidden by default) -->
            <div id="recipe-detail-screen" class="hidden fade-in">
                <div class="mb-4">
                    <img id="recipe-detail-image" src="" alt="Recipe" class="w-full h-48 object-cover rounded-lg">
                </div>
                
                <div class="flex justify-between items-center mb-4">
                    <div>
                        <h2 id="recipe-detail-title" class="text-xl font-bold text-gray-800"></h2>
                        <div class="flex text-sm text-gray-500 mt-1">
                            <span id="recipe-detail-time" class="mr-3"><i class="fas fa-clock"></i> </span>
                            <span id="recipe-detail-difficulty" class="mr-3"><i class="fas fa-signal"></i> </span>
                            <span id="recipe-detail-calories"><i class="fas fa-fire"></i> </span>
                        </div>
                    </div>
                    <button id="start-cooking-detail-btn" class="bg-emerald-600 hover:bg-emerald-700 text-white font-bold py-2 px-4 rounded-lg transition duration-200">
                        Start
                    </button>
                </div>
                
                <div class="mb-6">
                    <p id="recipe-detail-description" class="text-gray-700"></p>
                </div>
                
                <div class="mb-6">
                    <h3 class="font-bold text-gray-800 mb-3 flex items-center">
                        <i class="fas fa-list-ul text-emerald-600 mr-2"></i> Ingredients
                    </h3>
                    <div id="ingredients-list" class="space-y-2">
                        <!-- Ingredients will be added here by JavaScript -->
                    </div>
                </div>
                
                <div>
                    <h3 class="font-bold text-gray-800 mb-3 flex items-center">
                        <i class="fas fa-list-ol text-emerald-600 mr-2"></i> Instructions
                    </h3>
                    <div id="instructions-list" class="space-y-4">
                        <!-- Instructions will be added here by JavaScript -->
                    </div>
                </div>
                
                <!-- Timer Modal (Hidden by default) -->
                <div id="timer-modal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden">
                    <div class="bg-white rounded-lg p-6 w-11/12 max-w-sm">
                        <div class="flex justify-between items-center mb-4">
                            <h3 class="font-bold text-lg">Cooking Timer</h3>
                            <button id="close-timer-btn" class="text-gray-500 hover:text-gray-700">
                                <i class="fas fa-times"></i>
                            </button>
                        </div>
                        
                        <div class="text-center mb-6">
                            <div id="timer-display" class="text-4xl font-mono font-bold mb-2">00:00</div>
                            <div class="flex justify-center space-x-4">
                                <button id="start-timer-btn" class="bg-emerald-600 hover:bg-emerald-700 text-white font-bold py-2 px-4 rounded-lg transition duration-200">
                                    Start
                                </button>
                                <button id="reset-timer-btn" class="bg-gray-200 hover:bg-gray-300 text-gray-800 font-bold py-2 px-4 rounded-lg transition duration-200">
                                    Reset
                                </button>
                            </div>
                        </div>
                        
                        <div class="flex items-center">
                            <input type="number" id="timer-minutes" min="1" max="120" value="5" class="w-16 p-2 border rounded-lg text-center">
                            <span class="mx-2">minutes</span>
                            <button id="set-timer-btn" class="bg-blue-500 hover:bg-blue-600 text-white font-bold py-2 px-4 rounded-lg transition duration-200 ml-auto">
                                Set
                            </button>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- Tips & Tricks Screen (Hidden by default) -->
            <div id="tips-screen" class="hidden fade-in">
                <div class="mb-4">
                    <h2 class="text-xl font-bold text-gray-800 mb-2">Tips & Tricks</h2>
                    <p class="text-gray-600">Learn from the experts to improve your cooking skills</p>
                </div>
                
                <div class="mb-4">
                    <div class="flex overflow-x-auto pb-2">
                        <button class="filter-btn active" data-filter="all">All</button>
                        <button class="filter-btn" data-filter="knives">Knives</button>
                        <button class="filter-btn" data-filter="vegetables">Vegetables</button>
                        <button class="filter-btn" data-filter="meat">Meat</button>
                        <button class="filter-btn" data-filter="baking">Baking</button>
                        <button class="filter-btn" data-filter="storage">Storage</button>
                    </div>
                </div>
                
                <div class="space-y-4">
                    <div class="tip-card" data-id="1">
                        <div class="bg-white p-4 rounded-lg shadow-sm border border-gray-100">
                            <div class="flex justify-between items-start mb-2">
                                <h3 class="font-bold text-gray-800">Knife Skills 101</h3>
                                <button class="text-gray-400 hover:text-amber-500 save-tip-btn">
                                    <i class="far fa-bookmark"></i>
                                </button>
                            </div>
                            <p class="text-gray-700 text-sm mb-3">Learn how to properly hold and use a chef's knife for efficient chopping.</p>
                            <div class="flex justify-between text-xs text-gray-500">
                                <span>Knives</span>
                                <span>2 min read</span>
                            </div>
                        </div>
                    </div>
                    
                    <div class="tip-card" data-id="2">
                        <div class="bg-white p-4 rounded-lg shadow-sm border border-gray-100">
                            <div class="flex justify-between items-start mb-2">
                                <h3 class="font-bold text-gray-800">Perfect Vegetable Chopping</h3>
                                <button class="text-gray-400 hover:text-amber-500 save-tip-btn">
                                    <i class="far fa-bookmark"></i>
                                </button>
                            </div>
                            <p class="text-gray-700 text-sm mb-3">Uniformly chopped vegetables cook more evenly. Here's how to achieve perfect cuts every time.</p>
                            <div class="flex justify-between text-xs text-gray-500">
                                <span>Vegetables</span>
                                <span>3 min read</span>
                            </div>
                        </div>
                    </div>
                    
                    <div class="tip-card" data-id="3">
                        <div class="bg-white p-4 rounded-lg shadow-sm border border-gray-100">
                            <div class="flex justify-between items-start mb-2">
                                <h3 class="font-bold text-gray-800">Meat Temperature Guide</h3>
                                <button class="text-gray-400 hover:text-amber-500 save-tip-btn">
                                    <i class="far fa-bookmark"></i>
                                </button>
                            </div>
                            <p class="text-gray-700 text-sm mb-3">Never overcook meat again with this simple temperature guide for perfect doneness.</p>
                            <div class="flex justify-between text-xs text-gray-500">
                                <span>Meat</span>
                                <span>4 min read</span>
                            </div>
                        </div>
                    </div>
                    
                    <div class="tip-card" data-id="4">
                        <div class="bg-white p-4 rounded-lg shadow-sm border border-gray-100">
                            <div class="flex justify-between items-start mb-2">
                                <h3 class="font-bold text-gray-800">Baking Measurements</h3>
                                <button class="text-gray-400 hover:text-amber-500 save-tip-btn">
                                    <i class="far fa-bookmark"></i>
                                </button>
                            </div>
                            <p class="text-gray-700 text-sm mb-3">Baking is a science. Learn how to measure ingredients properly for consistent results.</p>
                            <div class="flex justify-between text-xs text-gray-500">
                                <span>Baking</span>
                                <span>3 min read</span>
                            </div>
                        </div>
                    </div>
                    
                    <div class="tip-card" data-id="5">
                        <div class="bg-white p-4 rounded-lg shadow-sm border border-gray-100">
                            <div class="flex justify-between items-start mb-2">
                                <h3 class="font-bold text-gray-800">Food Storage Tips</h3>
                                <button class="text-gray-400 hover:text-amber-500 save-tip-btn">
                                    <i class="far fa-bookmark"></i>
                                </button>
                            </div>
                            <p class="text-gray-700 text-sm mb-3">Extend the shelf life of your ingredients with these simple storage techniques.</p>
                            <div class="flex justify-between text-xs text-gray-500">
                                <span>Storage</span>
                                <span>2 min read</span>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- Profile/Community Screen (Hidden by default) -->
            <div id="profile-screen" class="hidden fade-in">
                <div class="text-center mb-6">
                    <div class="relative inline-block mb-3">
                        <img src="https://randomuser.me/api/portraits/women/44.jpg" alt="Profile" class="w-20 h-20 rounded-full border-4 border-emerald-100">
                        <button class="absolute bottom-0 right-0 bg-emerald-500 text-white rounded-full p-1">
                            <i class="fas fa-pencil-alt text-xs"></i>
                        </button>
                    </div>
                    <h2 class="text-xl font-bold text-gray-800">Sarah Johnson</h2>
                    <p class="text-gray-600 text-sm">Beginner Chef • 12 recipes tried</p>
                </div>
                
                <div class="bg-gray-50 rounded-lg p-4 mb-6">
                    <h3 class="font-semibold text-gray-800 mb-3">My Progress</h3>
                    
                    <div class="space-y-4">
                        <div>
                            <div class="flex justify-between text-sm mb-1">
                                <span>Recipes Completed</span>
                                <span>12/50</span>
                            </div>
                            <div class="w-full bg-gray-200 rounded-full h-2">
                                <div class="bg-emerald-500 h-2 rounded-full" style="width: 24%"></div>
                            </div>
                        </div>
                        
                        <div>
                            <div class="flex justify-between text-sm mb-1">
                                <span>Cooking Skills</span>
                                <span>Beginner</span>
                            </div>
                            <div class="w-full bg-gray-200 rounded-full h-2">
                                <div class="bg-blue-500 h-2 rounded-full" style="width: 30%"></div>
                            </div>
                        </div>
                        
                        <div>
                            <div class="flex justify-between text-sm mb-1">
                                <span>Weekly Challenge Streak</span>
                                <span>3 weeks</span>
                            </div>
                            <div class="w-full bg-gray-200 rounded-full h-2">
                                <div class="bg-amber-500 h-2 rounded-full" style="width: 60%"></div>
                            </div>
                        </div>
                    </div>
                </div>
                
                <div class="mb-6">
                    <h3 class="font-bold text-gray-800 mb-3">My Creations</h3>
                    <div class="grid grid-cols-2 gap-3">
                        <div class="bg-white p-3 rounded-lg shadow-sm border border-gray-100">
                            <img src="https://images.unsplash.com/photo-1546069901-ba9590aed2c5?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8MXx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60" alt="My Dish" class="w-full h-24 object-cover rounded-lg mb-2">
                            <h4 class="font-medium text-sm">Avocado Toast</h4>
                            <div class="flex justify-between text-xs text-gray-500 mt-1">
                                <span><i class="far fa-heart"></i> 24</span>
                                <span><i class="far fa-comment"></i> 5</span>
                            </div>
                        </div>
                        
                        <div class="bg-white p-3 rounded-lg shadow-sm border border-gray-100">
                            <img src="https://images.unsplash.com/photo-1512621776951-a57141f2eefd?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8Mnx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60" alt="My Dish" class="w-full h-24 object-cover rounded-lg mb-2">
                            <h4 class="font-medium text-sm">Summer Salad</h4>
                            <div class="flex justify-between text-xs text-gray-500 mt-1">
                                <span><i class="far fa-heart"></i> 18</span>
                                <span><i class="far fa-comment"></i> 3</span>
                            </div>
                        </div>
                    </div>
                </div>
                
                <div>
                    <h3 class="font-bold text-gray-800 mb-3">Saved Tips</h3>
                    <div class="space-y-3">
                        <div class="bg-white p-3 rounded-lg shadow-sm border border-gray-100 flex items-center">
                            <div class="bg-amber-100 text-amber-600 p-2 rounded-lg mr-3">
                                <i class="fas fa-bookmark"></i>
                            </div>
                            <div>
                                <h4 class="font-medium text-sm">Knife Skills 101</h4>
                                <p class="text-xs text-gray-500">Learn proper knife handling techniques</p>
                            </div>
                        </div>
                        
                        <div class="bg-white p-3 rounded-lg shadow-sm border border-gray-100 flex items-center">
                            <div class="bg-amber-100 text-amber-600 p-2 rounded-lg mr-3">
                                <i class="fas fa-bookmark"></i>
                            </div>
                            <div>
                                <h4 class="font-medium text-sm">Perfect Vegetable Chopping</h4>
                                <p class="text-xs text-gray-500">Uniform cuts for even cooking</p>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </main>
        
        <!-- Bottom Navigation -->
        <nav class="bg-white border-t border-gray-200 fixed bottom-0 w-full max-w-md">
            <div class="flex justify-around">
                <button id="home-nav-btn" class="p-4 text-emerald-600">
                    <i class="fas fa-home text-xl"></i>
                </button>
                <button id="recipes-nav-btn" class="p-4 text-gray-500">
                    <i class="fas fa-utensils text-xl"></i>
                </button>
                <button id="tips-nav-btn" class="p-4 text-gray-500">
                    <i class="fas fa-lightbulb text-xl"></i>
                </button>
                <button id="profile-nav-btn" class="p-4 text-gray-500">
                    <i class="fas fa-user text-xl"></i>
                </button>
            </div>
        </nav>
    </div>

    <script>
        // Sample recipe data
        const recipes = {
            1: {
                title: "Avocado Toast",
                description: "A simple yet delicious breakfast that's packed with healthy fats and fiber. Perfect for busy mornings!",
                time: "10 min",
                difficulty: "Easy",
                calories: "320 cal",
                image: "https://images.unsplash.com/photo-1546069901-ba9590aed2c5?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8MXx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60",
                ingredients: [
                    "2 slices whole grain bread",
                    "1 ripe avocado",
                    "1/2 lemon, juiced",
                    "Salt and pepper to taste",
                    "Red pepper flakes (optional)",
                    "2 eggs (optional)",
                    "Microgreens for garnish (optional)"
                ],
                instructions: [
                    "Toast the bread until golden and crisp.",
                    "Cut the avocado in half, remove the pit, and scoop the flesh into a bowl.",
                    "Add lemon juice, salt, and pepper to the avocado and mash with a fork to your desired consistency.",
                    "Spread the mashed avocado evenly on the toasted bread.",
                    "If adding eggs, fry or poach them to your liking and place on top of the avocado.",
                    "Sprinkle with red pepper flakes if desired and garnish with microgreens.",
                    "Serve immediately and enjoy!"
                ]
            },
            2: {
                title: "Vegetable Salad",
                description: "A refreshing and crunchy salad packed with fresh vegetables and a light vinaigrette. Perfect for summer days!",
                time: "15 min",
                difficulty: "Easy",
                calories: "250 cal",
                image: "https://images.unsplash.com/photo-1512621776951-a57141f2eefd?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8Mnx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60",
                ingredients: [
                    "2 cups mixed salad greens",
                    "1 cucumber, diced",
                    "1 bell pepper, diced",
                    "1 cup cherry tomatoes, halved",
                    "1/4 red onion, thinly sliced",
                    "1/4 cup feta cheese, crumbled",
                    "2 tbsp olive oil",
                    "1 tbsp balsamic vinegar",
                    "1 tsp honey",
                    "Salt and pepper to taste"
                ],
                instructions: [
                    "In a large bowl, combine the salad greens, cucumber, bell pepper, cherry tomatoes, and red onion.",
                    "In a small bowl, whisk together the olive oil, balsamic vinegar, honey, salt, and pepper to make the dressing.",
                    "Pour the dressing over the salad and toss gently to combine.",
                    "Sprinkle the crumbled feta cheese on top.",
                    "Serve immediately or refrigerate for up to 1 hour before serving."
                ]
            },
            3: {
                title: "Creamy Pasta",
                description: "A rich and creamy pasta dish that's surprisingly easy to make. Perfect for a comforting weeknight dinner.",
                time: "25 min",
                difficulty: "Medium",
                calories: "450 cal",
                image: "https://images.unsplash.com/photo-1559847844-5315695dadae?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8NHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60",
                ingredients: [
                    "8 oz fettuccine pasta",
                    "2 tbsp butter",
                    "2 cloves garlic, minced",
                    "1 cup heavy cream",
                    "1/2 cup grated Parmesan cheese",
                    "Salt and pepper to taste",
                    "Fresh parsley, chopped (for garnish)"
                ],
                instructions: [
                    "Cook the pasta according to package instructions until al dente. Reserve 1/2 cup of pasta water, then drain.",
                    "In a large skillet, melt the butter over medium heat. Add the garlic and sauté for about 30 seconds until fragrant.",
                    "Pour in the heavy cream and bring to a simmer. Cook for 2-3 minutes until slightly thickened.",
                    "Stir in the Parmesan cheese until melted and smooth. If the sauce is too thick, add a little of the reserved pasta water to thin it out.",
                    "Add the cooked pasta to the skillet and toss to coat evenly with the sauce.",
                    "Season with salt and pepper to taste.",
                    "Garnish with chopped parsley and serve immediately."
                ]
            },
            4: {
                title: "Homemade Pizza",
                description: "Make your own pizza from scratch with this simple dough recipe and your favorite toppings. Fun for the whole family!",
                time: "1 hr",
                difficulty: "Hard",
                calories: "600 cal",
                image: "https://images.unsplash.com/photo-1565299624946-b28f40a0ae38?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxleHBsb3JlLWZlZWR8Nnx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=60",
                ingredients: [
                    "2 1/4 tsp active dry yeast",
                    "1 1/2 cups warm water",
                    "3 1/2 cups all-purpose flour",
                    "2 tbsp olive oil",
                    "1 tsp salt",
                    "1 tsp sugar",
                    "1/2 cup pizza sauce",
                    "2 cups shredded mozzarella cheese",
                    "Toppings of your choice (pepperoni, mushrooms, bell peppers, etc.)"
                ],
                instructions: [
                    "In a small bowl, dissolve yeast and sugar in warm water. Let stand for about 10 minutes until frothy.",
                    "In a large bowl, combine flour and salt. Make a well in the center and add the yeast mixture and olive oil. Stir until a dough forms.",
                    "Turn the dough out onto a lightly floured surface and knead for about 7-8 minutes until smooth and elastic.",
                    "Place the dough in a greased bowl, cover with a damp cloth, and let rise in a warm place for about 30 minutes until doubled in size.",
                    "Preheat oven to 475°F (245°C). Punch down the dough and turn it out onto a floured surface. Divide into two equal pieces for two thin crusts or use whole for one thick crust.",
                    "Roll the dough out to fit your pizza pan. Transfer to the pan and let rest for 5 minutes.",
                    "Spread pizza sauce over the dough, then add cheese and your favorite toppings.",
                    "Bake in the preheated oven for 12-15 minutes until the crust is golden brown and the cheese is bubbly.",
                    "Remove from oven and let cool for 5 minutes before slicing and serving."
                ]
            }
        };

        // Sample tips data
        const tips = {
            1: {
                title: "Knife Skills 101",
                content: "Always hold your knife properly with a firm grip on the handle and your fingers curled under your other hand (the 'claw' grip) when chopping. This gives you better control and helps prevent accidents. Keep your knife sharp - a dull knife is more dangerous than a sharp one because it requires more force and is more likely to slip.",
                category: "Knives",
                readTime: "2 min read"
            },
            2: {
                title: "Perfect Vegetable Chopping",
                content: "For evenly cooked vegetables, try to cut them into uniform sizes. This ensures everything cooks at the same rate. When dicing onions, cut off the stem end but leave the root end intact while you make your initial cuts - this helps hold the onion together as you chop. For herbs, use a rocking motion with your chef's knife rather than chopping up and down for finer, more even cuts.",
                category: "Vegetables",
                readTime: "3 min read"
            },
            3: {
                title: "Meat Temperature Guide",
                content: "Invest in a good meat thermometer to ensure perfect doneness every time. For beef: 120°F (49°C) for rare, 130°F (54°C) for medium-rare, 140°F (60°C) for medium, 150°F (66°C) for medium-well, 160°F (71°C) for well done. For poultry: 165°F (74°C). For pork: 145°F (63°C). Remember that meat continues to cook after removing from heat (carryover cooking), so remove it from heat 5-10°F below your target temperature.",
                category: "Meat",
                readTime: "4 min read"
            },
            4: {
                title: "Baking Measurements",
                content: "Baking is a science, so precise measurements are crucial. For dry ingredients like flour, spoon it into the measuring cup and level it off with a straight edge - don't scoop directly from the bag as this packs the flour and leads to using too much. For brown sugar, pack it firmly into the cup. For liquids, use clear liquid measuring cups and check at eye level. Invest in a kitchen scale for the most accurate measurements - weight is always more precise than volume.",
                category: "Baking",
                readTime: "3 min read"
            },
            5: {
                title: "Food Storage Tips",
                content: "Store herbs like parsley and cilantro like flowers - trim the stems and place in a glass of water in the refrigerator, loosely covered with a plastic bag. Most vegetables should be stored unwashed in the crisper drawer. Potatoes and onions should be stored in a cool, dark place (but not together - onions make potatoes sprout). Never refrigerate tomatoes - it makes them mealy. Store mushrooms in a paper bag in the fridge to prevent moisture buildup.",
                category: "Storage",
                readTime: "2 min read"
            }
        };

        // Current screen tracking
        let currentScreen = 'onboarding';
        let currentRecipeId = null;
        let timerInterval = null;
        let timerSeconds = 0;
        let savedTips = [1, 2]; // Sample saved tip IDs

        // DOM elements
        const screenContainer = document.getElementById('screen-container');
        const onboardingScreen = document.getElementById('onboarding-screen');
        const homeScreen = document.getElementById('home-screen');
        const recipeListScreen = document.getElementById('recipe-list-screen');
        const recipeDetailScreen = document.getElementById('recipe-detail-screen');
        const tipsScreen = document.getElementById('tips-screen');
        const profileScreen = document.getElementById('profile-screen');
        
        // Navigation buttons
        const backBtn = document.getElementById('back-btn');
        const profileBtn = document.getElementById('profile-btn');
        const homeNavBtn = document.getElementById('home-nav-btn');
        const recipesNavBtn = document.getElementById('recipes-nav-btn');
        const tipsNavBtn = document.getElementById('tips-nav-btn');
        const profileNavBtn = document.getElementById('profile-nav-btn');
        
        // Onboarding buttons
        const getStartedBtn = document.getElementById('get-started-btn');
        const preferenceBtns = document.querySelectorAll('.preference-btn');
        
        // Home screen buttons
        const startCookingBtn = document.getElementById('start-cooking-btn');
        const tryChallengeBtn = document.getElementById('try-challenge-btn');
        const viewAllRecipesBtn = document.getElementById('view-all-recipes-btn');
        const recipeCards = document.querySelectorAll('.recipe-card');
        
        // Recipe detail screen elements
        const startCookingDetailBtn = document.getElementById('start-cooking-detail-btn');
        const ingredientsList = document.getElementById('ingredients-list');
        const instructionsList = document.getElementById('instructions-list');
        
        // Timer modal elements
        const timerModal = document.getElementById('timer-modal');
        const timerDisplay = document.getElementById('timer-display');
        const startTimerBtn = document.getElementById('start-timer-btn');
        const resetTimerBtn = document.getElementById('reset-timer-btn');
        const closeTimerBtn = document.getElementById('close-timer-btn');
        const timerMinutesInput = document.getElementById('timer-minutes');
        const setTimerBtn = document.getElementById('set-timer-btn');
        
        // Tips screen elements
        const filterBtns = document.querySelectorAll('.filter-btn');
        const saveTipBtns = document.querySelectorAll('.save-tip-btn');
        const tipCards = document.querySelectorAll('.tip-card');

        // Event listeners
        document.addEventListener('DOMContentLoaded', function() {
            // Set up all event listeners
            setupEventListeners();
        });

        function setupEventListeners() {
            // Navigation buttons
            backBtn.addEventListener('click', goBack);
            profileBtn.addEventListener('click', showProfileScreen);
            homeNavBtn.addEventListener('click', showHomeScreen);
            recipesNavBtn.addEventListener('click', showRecipeListScreen);
            tipsNavBtn.addEventListener('click', showTipsScreen);
            profileNavBtn.addEventListener('click', showProfileScreen);
            
            // Onboarding screen
            getStartedBtn.addEventListener('click', showHomeScreen);
            preferenceBtns.forEach(btn => {
                btn.addEventListener('click', togglePreference);
            });
            
            // Home screen
            startCookingBtn.addEventListener('click', showRecipeListScreen);
            tryChallengeBtn.addEventListener('click', showWeeklyChallenge);
            viewAllRecipesBtn.addEventListener('click', showRecipeListScreen);
            recipeCards.forEach(card => {
                card.addEventListener('click', function() {
                    showRecipeDetailScreen(parseInt(this.getAttribute('data-id')));
                });
            });
            
            // Recipe detail screen
            startCookingDetailBtn.addEventListener('click', showTimerModal);
            
            // Timer modal
            startTimerBtn.addEventListener('click', startTimer);
            resetTimerBtn.addEventListener('click', resetTimer);
            closeTimerBtn.addEventListener('click', closeTimerModal);
            setTimerBtn.addEventListener('click', setTimer);
            
            // Tips screen
            filterBtns.forEach(btn => {
                btn.addEventListener('click', filterTips);
            });
            saveTipBtns.forEach(btn => {
                btn.addEventListener('click', saveTip);
            });
            tipCards.forEach(card => {
                card.addEventListener('click', function() {
                    showTipDetail(parseInt(this.getAttribute('data-id')));
                });
            });
        }

        // Navigation functions
        function goBack() {
            switch(currentScreen) {
                case 'home':
                    // Can't go back from home
                    break;
                case 'recipe-list':
                    showHomeScreen();
                    break;
                case 'recipe-detail':
                    showRecipeListScreen();
                    break;
                case 'tips':
                    showHomeScreen();
                    break;
                case 'profile':
                    showHomeScreen();
                    break;
            }
        }

        function showScreen(screen) {
            // Hide all screens
            onboardingScreen.classList.add('hidden');
            homeScreen.classList.add('hidden');
            recipeListScreen.classList.add('hidden');
            recipeDetailScreen.classList.add('hidden');
            tipsScreen.classList.add('hidden');
            profileScreen.classList.add('hidden');
            
            // Show the requested screen
            switch(screen) {
                case 'onboarding':
                    onboardingScreen.classList.remove('hidden');
                    backBtn.classList.add('invisible');
                    break;
                case 'home':
                    homeScreen.classList.remove('hidden');
                    backBtn.classList.add('invisible');
                    updateActiveNav('home');
                    break;
                case 'recipe-list':
                    recipeListScreen.classList.remove('hidden');
                    backBtn.classList.remove('invisible');
                    updateActiveNav('recipes');
                    break;
                case 'recipe-detail':
                    recipeDetailScreen.classList.remove('hidden');
                    backBtn.classList.remove('invisible');
                    break;
                case 'tips':
                    tipsScreen.classList.remove('hidden');
                    backBtn.classList.remove('invisible');
                    updateActiveNav('tips');
                    break;
                case 'profile':
                    profileScreen.classList.remove('hidden');
                    backBtn.classList.remove('invisible');
                    updateActiveNav('profile');
                    break;
            }
            
            currentScreen = screen;
        }

        function updateActiveNav(active) {
            // Reset all nav buttons
            homeNavBtn.classList.remove('text-emerald-600');
            homeNavBtn.classList.add('text-gray-500');
            recipesNavBtn.classList.remove('text-emerald-600');
            recipesNavBtn.classList.add('text-gray-500');
            tipsNavBtn.classList.remove('text-emerald-600');
            tipsNavBtn.classList.add('text-gray-500');
            profileNavBtn.classList.remove('text-emerald-600');
            profileNavBtn.classList.add('text-gray-500');
            
            // Set active nav button
            switch(active) {
                case 'home':
                    homeNavBtn.classList.remove('text-gray-500');
                    homeNavBtn.classList.add('text-emerald-600');
                    break;
                case 'recipes':
                    recipesNavBtn.classList.remove('text-gray-500');
                    recipesNavBtn.classList.add('text-emerald-600');
                    break;
                case 'tips':
                    tipsNavBtn.classList.remove('text-gray-500');
                    tipsNavBtn.classList.add('text-emerald-600');
                    break;
                case 'profile':
                    profileNavBtn.classList.remove('text-gray-500');
                    profileNavBtn.classList.add('text-emerald-600');
                    break;
            }
        }

        // Screen-specific functions
        function showOnboardingScreen() {
            showScreen('onboarding');
        }

        function showHomeScreen() {
            showScreen('home');
        }

        function showRecipeListScreen() {
            showScreen('recipe-list');
        }

        function showRecipeDetailScreen(recipeId) {
            currentRecipeId = recipeId;
            const recipe = recipes[recipeId];
            
            // Update recipe details
            document.getElementById('recipe-detail-title').textContent = recipe.title;
            document.getElementById('recipe-detail-description').textContent = recipe.description;
            document.getElementById('recipe-detail-time').textContent += recipe.time;
            document.getElementById('recipe-detail-difficulty').textContent += recipe.difficulty;
            document.getElementById('recipe-detail-calories').textContent += recipe.calories;
            document.getElementById('recipe-detail-image').src = recipe.image;
            
            // Clear previous ingredients and instructions
            ingredientsList.innerHTML = '';
            instructionsList.innerHTML = '';
            
            // Add ingredients
            recipe.ingredients.forEach(ingredient => {
                const ingredientItem = document.createElement('div');
                ingredientItem.className = 'flex items-start';
                ingredientItem.innerHTML = `
                    <label class="custom-checkbox flex items-start">
                        <input type="checkbox" class="hidden">
                        <span class="checkmark w-5 h-5 border-2 border-gray-300 rounded inline-block relative mr-2 mt-1"></span>
                        <span class="text-gray-700">${ingredient}</span>
                    </label>
                `;
                ingredientsList.appendChild(ingredientItem);
            });
            
            // Add instructions
            recipe.instructions.forEach((instruction, index) => {
                const instructionItem = document.createElement('div');
                instructionItem.className = 'flex';
                instructionItem.innerHTML = `
                    <div class="bg-emerald-600 text-white rounded-full w-6 h-6 flex items-center justify-center flex-shrink-0 mr-3">${index + 1}</div>
                    <p class="text-gray-700">${instruction}</p>
                `;
                instructionsList.appendChild(instructionItem);
            });
            
            showScreen('recipe-detail');
        }

        function showTipsScreen() {
            showScreen('tips');
        }

        function showProfileScreen() {
            showScreen('profile');
        }

        function showWeeklyChallenge() {
            alert("This week's challenge is to master the perfect omelette! Check out our tips section for guidance.");
        }

        function showTipDetail(tipId) {
            const tip = tips[tipId];
            alert(`${tip.title}\n\n${tip.content}`);
        }

        // Timer functions
        function showTimerModal() {
            timerModal.classList.remove('hidden');
        }

        function closeTimerModal() {
            timerModal.classList.add('hidden');
        }

        function startTimer() {
            if (timerInterval) {
                clearInterval(timerInterval);
                timerInterval = null;
                startTimerBtn.textContent = 'Start';
                return;
            }
            
            startTimerBtn.textContent = 'Pause';
            timerInterval = setInterval(updateTimer, 1000);
        }

        function resetTimer() {
            if (timerInterval) {
                clearInterval(timerInterval);
                timerInterval = null;
            }
            
            timerSeconds = 0;
            updateTimerDisplay();
            startTimerBtn.textContent = 'Start';
        }

        function setTimer() {
            const minutes = parseInt(timerMinutesInput.value);
            if (minutes > 0) {
                timerSeconds = minutes * 60;
                updateTimerDisplay();
            }
        }

        function updateTimer() {
            if (timerSeconds <= 0) {
                clearInterval(timerInterval);
                timerInterval = null;
                startTimerBtn.textContent = 'Start';
                alert("Time's up!");
                return;
            }
            
            timerSeconds--;
            updateTimerDisplay();
        }

        function updateTimerDisplay() {
            const minutes = Math.floor(timerSeconds / 60);
            const seconds = timerSeconds % 60;
            timerDisplay.textContent = `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`;
        }

        // Helper functions
        function togglePreference() {
            this.classList.toggle('active');
        }

        function filterTips() {
            filterBtns.forEach(btn => btn.classList.remove('active'));
            this.classList.add('active');
            
            const filter = this.getAttribute('data-filter');
            tipCards.forEach(card => {
                if (filter === 'all' || card.getAttribute('data-filter') === filter) {
                    card.style.display = 'block';
                } else {
                    card.style.display = 'none';
                }
            });
        }

        function saveTip() {
            const tipId = parseInt(this.closest('.tip-card').getAttribute('data-id'));
            const isSaved = savedTips.includes(tipId);
            
            if (isSaved) {
                savedTips = savedTips.filter(id => id !== tipId);
                this.innerHTML = '<i class="far fa-bookmark"></i>';
            } else {
                savedTips.push(tipId);
                this.innerHTML = '<i class="fas fa-bookmark text-amber-500"></i>';
            }
            
            // Prevent event bubbling to the card click event
            event.stopPropagation();
        }
    </script>
<p style="border-radius: 8px; text-align: center; font-size: 12px; color: #fff; margin-top: 16px;position: fixed; left: 8px; bottom: 8px; z-index: 10; background: rgba(0, 0, 0, 0.8); padding: 4px 8px;">Made with <img src="https://enzostvs-deepsite.hf.space/logo.svg" alt="DeepSite Logo" style="width: 16px; height: 16px; vertical-align: middle;display:inline-block;margin-right:3px;filter:brightness(0) invert(1);"><a href="https://enzostvs-deepsite.hf.space" style="color: #fff;text-decoration: underline;" target="_blank" >DeepSite</a> - 🧬 <a href="https://enzostvs-deepsite.hf.space?remix=Olaiya/timayo" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
</html>