File size: 30,444 Bytes
924efe8
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Genome Explorers - Learn About DNA!</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>
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        .floating {
            animation: float 3s ease-in-out infinite;
        }
        .dna-strand {
            position: relative;
            height: 200px;
            width: 100px;
        }
        .dna-base {
            position: absolute;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }
        .dna-connector {
            position: absolute;
            width: 2px;
            background-color: #4a5568;
            left: 50%;
            transform: translateX(-50%);
        }
        .cell-membrane {
            border: 3px dashed #4a5568;
            border-radius: 50%;
            position: relative;
            overflow: hidden;
        }
        .mitochondria {
            position: absolute;
            width: 40px;
            height: 40px;
            background-color: #f6ad55;
            border-radius: 50%;
            opacity: 0.8;
        }
        .nucleus {
            position: absolute;
            width: 60px;
            height: 60px;
            background-color: #4299e1;
            border-radius: 50%;
            opacity: 0.8;
        }
        .atp-molecule {
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: #68d391;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 10px;
            font-weight: bold;
        }
        .info-theory-bit {
            position: absolute;
            width: 15px;
            height: 15px;
            background-color: #9f7aea;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 8px;
            font-weight: bold;
        }
        .tab-content {
            display: none;
        }
        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s;
        }
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        .telomere-end {
            position: absolute;
            width: 10px;
            height: 10px;
            background-color: #f687b3;
            border-radius: 50%;
        }
    </style>
</head>
<body class="bg-gradient-to-b from-blue-50 to-purple-50 min-h-screen">
    <div class="container mx-auto px-4 py-8">
        <!-- Header -->
        <header class="text-center mb-10">
            <h1 class="text-4xl md:text-5xl font-bold text-purple-800 mb-4">
                <i class="fas fa-dna mr-2"></i> Genome Explorers
            </h1>
            <p class="text-lg text-gray-700 max-w-2xl mx-auto">
                Discover the amazing world inside your cells! Learn about DNA, energy, and how your body works.
            </p>
        </header>

        <!-- Main Content -->
        <div class="bg-white rounded-xl shadow-lg overflow-hidden max-w-4xl mx-auto">
            <!-- Tabs -->
            <div class="flex border-b border-gray-200">
                <button class="tab-btn py-4 px-6 font-medium text-purple-800 border-b-2 border-purple-600" data-tab="dna">
                    <i class="fas fa-dna mr-2"></i> DNA Basics
                </button>
                <button class="tab-btn py-4 px-6 font-medium text-gray-500 hover:text-purple-700" data-tab="cell">
                    <i class="fas fa-microscope mr-2"></i> Cell Factory
                </button>
                <button class="tab-btn py-4 px-6 font-medium text-gray-500 hover:text-purple-700" data-tab="energy">
                    <i class="fas fa-bolt mr-2"></i> Energy (ATP)
                </button>
                <button class="tab-btn py-4 px-6 font-medium text-gray-500 hover:text-purple-700" data-tab="exercise">
                    <i class="fas fa-running mr-2"></i> Exercise Science
                </button>
                <button class="tab-btn py-4 px-6 font-medium text-gray-500 hover:text-purple-700" data-tab="info">
                    <i class="fas fa-code mr-2"></i> DNA as Code
                </button>
            </div>

            <!-- Tab Contents -->
            <div class="p-6 md:p-8">
                <!-- DNA Tab -->
                <div id="dna" class="tab-content active">
                    <h2 class="text-2xl font-bold text-purple-800 mb-6">The DNA Double Helix</h2>
                    <div class="flex flex-col md:flex-row gap-8 items-center">
                        <div class="flex-1">
                            <p class="mb-4 text-gray-700">
                                DNA is like a twisted ladder inside your cells. It contains all the instructions to make you, you!
                            </p>
                            <p class="mb-4 text-gray-700">
                                The ladder has four special letters: <span class="font-bold text-green-600">A</span> (Adenine), 
                                <span class="font-bold text-blue-600">T</span> (Thymine), 
                                <span class="font-bold text-red-600">C</span> (Cytosine), and 
                                <span class="font-bold text-yellow-600">G</span> (Guanine).
                            </p>
                            <p class="mb-6 text-gray-700">
                                <span class="font-bold">Telomeres</span> are like the plastic tips on shoelaces - they protect the ends of your DNA! They get shorter as cells divide.
                            </p>
                            <button id="spin-dna" class="bg-purple-600 hover:bg-purple-700 text-white px-4 py-2 rounded-lg transition">
                                <i class="fas fa-sync-alt mr-2"></i> Spin the DNA
                            </button>
                        </div>
                        <div class="flex-1 flex justify-center">
                            <div class="dna-strand relative" id="dna-model">
                                <!-- DNA will be generated here by JS -->
                            </div>
                        </div>
                    </div>
                </div>

                <!-- Cell Tab -->
                <div id="cell" class="tab-content">
                    <h2 class="text-2xl font-bold text-purple-800 mb-6">The Amazing Cell Factory</h2>
                    <div class="flex flex-col md:flex-row gap-8 items-center">
                        <div class="flex-1">
                            <p class="mb-4 text-gray-700">
                                Your cells are like tiny factories with different departments working together:
                            </p>
                            <ul class="list-disc pl-5 mb-6 text-gray-700 space-y-2">
                                <li><span class="font-bold">Nucleus</span> - The boss's office (holds DNA instructions)</li>
                                <li><span class="font-bold">Mitochondria</span> - Power plants (make ATP energy)</li>
                                <li><span class="font-bold">Ribosomes</span> - Assembly lines (build proteins)</li>
                                <li><span class="font-bold">Cell Membrane</span> - Security gates (controls what enters/exits)</li>
                            </ul>
                            <button id="show-cell" class="bg-purple-600 hover:bg-purple-700 text-white px-4 py-2 rounded-lg transition">
                                <i class="fas fa-eye mr-2"></i> Show Cell Parts
                            </button>
                        </div>
                        <div class="flex-1 flex justify-center">
                            <div class="cell-membrane w-64 h-64 relative bg-gray-100" id="cell-model">
                                <!-- Cell parts will be added here by JS -->
                            </div>
                        </div>
                    </div>
                </div>

                <!-- Energy (ATP) Tab -->
                <div id="energy" class="tab-content">
                    <h2 class="text-2xl font-bold text-purple-800 mb-6">ATP - Cellular Energy</h2>
                    <div class="flex flex-col md:flex-row gap-8 items-center">
                        <div class="flex-1">
                            <p class="mb-4 text-gray-700">
                                ATP (Adenosine Triphosphate) is like cellular money - it powers all activities in your body!
                            </p>
                            <p class="mb-4 text-gray-700">
                                Mitochondria make ATP by breaking down food (like glucose) with oxygen. This is why we breathe!
                            </p>
                            <p class="mb-6 text-gray-700">
                                When you exercise, your muscles need more ATP. That's why you breathe harder - to get more oxygen to your mitochondria!
                            </p>
                            <div class="flex gap-4">
                                <button id="make-atp" class="bg-green-600 hover:bg-green-700 text-white px-4 py-2 rounded-lg transition">
                                    <i class="fas fa-bolt mr-2"></i> Make ATP
                                </button>
                                <button id="use-atp" class="bg-red-600 hover:bg-red-700 text-white px-4 py-2 rounded-lg transition">
                                    <i class="fas fa-running mr-2"></i> Use ATP
                                </button>
                            </div>
                        </div>
                        <div class="flex-1 flex justify-center">
                            <div class="relative w-64 h-64" id="atp-model">
                                <!-- ATP animation will go here -->
                                <div class="absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 text-center">
                                    <div class="text-5xl mb-2">ATP</div>
                                    <div class="text-gray-600" id="atp-count">100 energy units</div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <!-- Exercise Tab -->
                <div id="exercise" class="tab-content">
                    <h2 class="text-2xl font-bold text-purple-800 mb-6">Exercise & Your Cells</h2>
                    <div class="flex flex-col md:flex-row gap-8">
                        <div class="flex-1">
                            <p class="mb-4 text-gray-700">
                                When you exercise, amazing things happen in your cells:
                            </p>
                            <ul class="list-disc pl-5 mb-6 text-gray-700 space-y-2">
                                <li>Muscle cells make more mitochondria (more power plants!)</li>
                                <li>Your heart pumps faster to deliver more oxygen</li>
                                <li>Cells release happy chemicals (endorphins)</li>
                                <li>DNA gets signals to make proteins for stronger muscles</li>
                            </ul>
                            <div class="bg-blue-50 p-4 rounded-lg mb-6">
                                <h3 class="font-bold text-blue-800 mb-2">Try This!</h3>
                                <p class="text-gray-700">Jump 10 times and feel your heartbeat. That's your cells asking for more ATP!</p>
                            </div>
                            <button id="start-exercise" class="bg-purple-600 hover:bg-purple-700 text-white px-4 py-2 rounded-lg transition">
                                <i class="fas fa-play mr-2"></i> Simulate Exercise
                            </button>
                        </div>
                        <div class="flex-1 flex flex-col justify-center items-center">
                            <div class="relative w-48 h-48 mb-6" id="exercise-model">
                                <div class="absolute inset-0 flex items-center justify-center">
                                    <div class="w-24 h-24 bg-red-500 rounded-full opacity-20" id="heartbeat"></div>
                                </div>
                                <div class="absolute inset-0 flex items-center justify-center">
                                    <i class="fas fa-heart text-red-500 text-4xl" id="heart-icon"></i>
                                </div>
                            </div>
                            <div class="w-full bg-gray-200 rounded-full h-4">
                                <div class="bg-green-500 h-4 rounded-full" id="energy-bar" style="width: 100%"></div>
                            </div>
                            <p class="mt-2 text-gray-700" id="energy-text">Energy level: 100%</p>
                        </div>
                    </div>
                </div>

                <!-- Information Theory Tab -->
                <div id="info" class="tab-content">
                    <h2 class="text-2xl font-bold text-purple-800 mb-6">DNA: Nature's Information System</h2>
                    <div class="flex flex-col md:flex-row gap-8">
                        <div class="flex-1">
                            <p class="mb-4 text-gray-700">
                                DNA is like a biological computer code! It uses 4 letters (A,T,C,G) instead of 0s and 1s.
                            </p>
                            <p class="mb-4 text-gray-700">
                                <span class="font-bold">3 billion</span> letters in human DNA = 750MB of information (like a video game!)
                            </p>
                            <p class="mb-6 text-gray-700">
                                Cells read DNA like a recipe book to make proteins. Mistakes in copying (mutations) can cause changes.
                            </p>
                            <button id="show-bits" class="bg-purple-600 hover:bg-purple-700 text-white px-4 py-2 rounded-lg transition">
                                <i class="fas fa-project-diagram mr-2"></i> Show Information Flow
                            </button>
                        </div>
                        <div class="flex-1 flex justify-center">
                            <div class="relative w-64 h-64" id="info-model">
                                <!-- Information theory visualization will go here -->
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Fun Facts Section -->
        <div class="mt-12 bg-purple-100 rounded-xl p-6 max-w-4xl mx-auto">
            <h3 class="text-xl font-bold text-purple-800 mb-4">
                <i class="fas fa-lightbulb mr-2"></i> Amazing DNA Facts
            </h3>
            <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                <div class="bg-white p-4 rounded-lg shadow">
                    <h4 class="font-bold text-purple-700 mb-2">DNA Length</h4>
                    <p class="text-gray-700">If you stretched out all the DNA in one cell, it would be 2 meters long! That's taller than you!</p>
                </div>
                <div class="bg-white p-4 rounded-lg shadow">
                    <h4 class="font-bold text-purple-700 mb-2">Shared DNA</h4>
                    <p class="text-gray-700">You share 50% of your DNA with bananas! All living things use the same genetic code.</p>
                </div>
                <div class="bg-white p-4 rounded-lg shadow">
                    <h4 class="font-bold text-purple-700 mb-2">Cell Division</h4>
                    <p class="text-gray-700">Your cells divide about 2 trillion times every day! That's how you grow and heal.</p>
                </div>
                <div class="bg-white p-4 rounded-lg shadow">
                    <h4 class="font-bold text-purple-700 mb-2">Energy Production</h4>
                    <p class="text-gray-700">Your body makes and uses about your weight in ATP every day! It recycles the molecules.</p>
                </div>
            </div>
        </div>
    </div>

    <script>
        // Tab switching functionality
        document.querySelectorAll('.tab-btn').forEach(btn => {
            btn.addEventListener('click', () => {
                // Remove active class from all tabs and buttons
                document.querySelectorAll('.tab-btn').forEach(b => {
                    b.classList.remove('border-purple-600', 'text-purple-800');
                    b.classList.add('text-gray-500');
                });
                document.querySelectorAll('.tab-content').forEach(tab => {
                    tab.classList.remove('active');
                });

                // Add active class to clicked tab
                btn.classList.add('border-purple-600', 'text-purple-800');
                btn.classList.remove('text-gray-500');
                document.getElementById(btn.dataset.tab).classList.add('active');
            });
        });

        // DNA Model
        const dnaModel = document.getElementById('dna-model');
        let rotationAngle = 0;
        const bases = ['A', 'T', 'C', 'G'];
        const baseColors = {
            'A': 'bg-green-600',
            'T': 'bg-blue-600',
            'C': 'bg-red-600',
            'G': 'bg-yellow-600'
        };

        function createDNA() {
            dnaModel.innerHTML = '';
            const pairs = 10;
            const spacing = 180 / (pairs - 1);
            
            // Create telomeres (special ends)
            createTelomere(0);
            createTelomere(180);
            
            for (let i = 0; i < pairs; i++) {
                const yPos = i * spacing;
                const base1 = bases[Math.floor(Math.random() * bases.length)];
                let base2;
                
                // Pair A with T and C with G
                if (base1 === 'A') base2 = 'T';
                else if (base1 === 'T') base2 = 'A';
                else if (base1 === 'C') base2 = 'G';
                else base2 = 'C';
                
                // Left base
                createBase(base1, 30, yPos);
                // Right base
                createBase(base2, 70, yPos);
                // Connector
                createConnector(yPos);
            }
            
            dnaModel.style.transform = `rotate(${rotationAngle}deg)`;
        }

        function createBase(base, x, y) {
            const baseElement = document.createElement('div');
            baseElement.className = `dna-base ${baseColors[base]} floating`;
            baseElement.style.left = `${x}px`;
            baseElement.style.top = `${y}px`;
            baseElement.textContent = base;
            dnaModel.appendChild(baseElement);
        }

        function createConnector(y) {
            const connector = document.createElement('div');
            connector.className = 'dna-connector';
            connector.style.top = `${y}px`;
            connector.style.height = '20px';
            dnaModel.appendChild(connector);
        }

        function createTelomere(y) {
            const telomere = document.createElement('div');
            telomere.className = 'telomere-end';
            telomere.style.top = `${y}px`;
            telomere.style.left = '45px';
            dnaModel.appendChild(telomere);
        }

        document.getElementById('spin-dna').addEventListener('click', () => {
            rotationAngle += 180;
            dnaModel.style.transform = `rotate(${rotationAngle}deg)`;
            createDNA(); // Regenerate with new random bases
        });

        // Cell Model
        const cellModel = document.getElementById('cell-model');
        
        document.getElementById('show-cell').addEventListener('click', () => {
            cellModel.innerHTML = '';
            
            // Nucleus
            const nucleus = document.createElement('div');
            nucleus.className = 'nucleus floating';
            nucleus.style.top = '50px';
            nucleus.style.left = '50px';
            cellModel.appendChild(nucleus);
            
            // Mitochondria (multiple)
            for (let i = 0; i < 5; i++) {
                const mitochondria = document.createElement('div');
                mitochondria.className = 'mitochondria floating';
                mitochondria.style.top = `${30 + Math.random() * 140}px`;
                mitochondria.style.left = `${30 + Math.random() * 140}px`;
                mitochondria.style.animationDelay = `${i * 0.5}s`;
                cellModel.appendChild(mitochondria);
            }
            
            // Add some ATP molecules
            for (let i = 0; i < 10; i++) {
                const atp = document.createElement('div');
                atp.className = 'atp-molecule floating';
                atp.style.top = `${20 + Math.random() * 160}px`;
                atp.style.left = `${20 + Math.random() * 160}px`;
                atp.style.animationDelay = `${i * 0.2}s`;
                atp.textContent = 'ATP';
                cellModel.appendChild(atp);
            }
        });

        // ATP Model
        let atpCount = 100;
        const atpCountElement = document.getElementById('atp-count');
        const atpModel = document.getElementById('atp-model');
        
        document.getElementById('make-atp').addEventListener('click', () => {
            atpCount += 20;
            if (atpCount > 200) atpCount = 200;
            updateATPDisplay();
            
            // Visual effect
            const atp = document.createElement('div');
            atp.className = 'atp-molecule';
            atp.textContent = 'ATP';
            atp.style.top = '50%';
            atp.style.left = '50%';
            atp.style.transform = 'translate(-50%, -50%) scale(0)';
            atpModel.appendChild(atp);
            
            setTimeout(() => {
                atp.style.transition = 'all 0.5s';
                atp.style.transform = 'translate(-50%, -50%) scale(1)';
                setTimeout(() => {
                    atp.style.opacity = '0';
                    setTimeout(() => atp.remove(), 500);
                }, 500);
            }, 10);
        });
        
        document.getElementById('use-atp').addEventListener('click', () => {
            atpCount -= 30;
            if (atpCount < 0) atpCount = 0;
            updateATPDisplay();
            
            // Visual effect
            for (let i = 0; i < 3; i++) {
                const energy = document.createElement('div');
                energy.className = 'atp-molecule';
                energy.textContent = 'ATP';
                energy.style.top = '50%';
                energy.style.left = '50%';
                energy.style.transform = 'translate(-50%, -50%)';
                atpModel.appendChild(energy);
                
                setTimeout(() => {
                    energy.style.transition = 'all 0.5s';
                    const angle = Math.random() * Math.PI * 2;
                    const distance = 50 + Math.random() * 50;
                    energy.style.transform = `translate(${Math.cos(angle) * distance}px, ${Math.sin(angle) * distance}px)`;
                    energy.style.opacity = '0';
                    setTimeout(() => energy.remove(), 500);
                }, i * 100);
            }
        });
        
        function updateATPDisplay() {
            atpCountElement.textContent = `${atpCount} energy units`;
        }

        // Exercise Model
        let exerciseInterval;
        let energyLevel = 100;
        const energyBar = document.getElementById('energy-bar');
        const energyText = document.getElementById('energy-text');
        const heartbeat = document.getElementById('heartbeat');
        const heartIcon = document.getElementById('heart-icon');
        
        document.getElementById('start-exercise').addEventListener('click', function() {
            if (exerciseInterval) {
                clearInterval(exerciseInterval);
                exerciseInterval = null;
                this.innerHTML = '<i class="fas fa-play mr-2"></i> Simulate Exercise';
                heartbeat.style.animation = 'none';
                heartIcon.style.animation = 'none';
                return;
            }
            
            this.innerHTML = '<i class="fas fa-stop mr-2"></i> Stop Exercise';
            heartbeat.style.animation = 'pulse 0.8s infinite';
            heartIcon.style.animation = 'pulse 0.8s infinite';
            
            exerciseInterval = setInterval(() => {
                energyLevel -= 2;
                if (energyLevel < 0) energyLevel = 0;
                energyBar.style.width = `${energyLevel}%`;
                energyText.textContent = `Energy level: ${energyLevel}%`;
                
                if (energyLevel < 30) {
                    energyBar.classList.remove('bg-green-500');
                    energyBar.classList.add('bg-red-500');
                } else {
                    energyBar.classList.remove('bg-red-500');
                    energyBar.classList.add('bg-green-500');
                }
                
                if (energyLevel === 0) {
                    clearInterval(exerciseInterval);
                    exerciseInterval = null;
                    document.getElementById('start-exercise').innerHTML = '<i class="fas fa-play mr-2"></i> Simulate Exercise';
                    heartbeat.style.animation = 'none';
                    heartIcon.style.animation = 'none';
                    
                    // Recharge after rest
                    setTimeout(() => {
                        const recharge = setInterval(() => {
                            energyLevel += 5;
                            if (energyLevel > 100) {
                                energyLevel = 100;
                                clearInterval(recharge);
                            }
                            energyBar.style.width = `${energyLevel}%`;
                            energyText.textContent = `Energy level: ${energyLevel}%`;
                        }, 200);
                    }, 1000);
                }
            }, 200);
        });

        // Information Theory Model
        document.getElementById('show-bits').addEventListener('click', function() {
            const infoModel = document.getElementById('info-model');
            infoModel.innerHTML = '';
            
            // Create DNA strand
            const dnaStrand = document.createElement('div');
            dnaStrand.className = 'relative w-full h-16 mb-8';
            infoModel.appendChild(dnaStrand);
            
            for (let i = 0; i < 8; i++) {
                const base = bases[Math.floor(Math.random() * bases.length)];
                const baseElement = document.createElement('div');
                baseElement.className = `absolute ${baseColors[base]} text-white font-bold rounded-full w-8 h-8 flex items-center justify-center`;
                baseElement.style.left = `${i * 32}px`;
                baseElement.style.top = '0';
                baseElement.textContent = base;
                dnaStrand.appendChild(baseElement);
            }
            
            // Create binary bits flowing
            for (let i = 0; i < 20; i++) {
                setTimeout(() => {
                    const bit = document.createElement('div');
                    bit.className = 'info-theory-bit';
                    bit.textContent = Math.random() > 0.5 ? '1' : '0';
                    bit.style.left = `${20 + Math.random() * 180}px`;
                    bit.style.top = '100px';
                    infoModel.appendChild(bit);
                    
                    // Animate bit
                    setTimeout(() => {
                        bit.style.transition = 'all 1.5s';
                        bit.style.top = '200px';
                        bit.style.opacity = '0';
                        setTimeout(() => bit.remove(), 1500);
                    }, 10);
                }, i * 150);
            }
            
            // Create protein at bottom
            setTimeout(() => {
                const protein = document.createElement('div');
                protein.className = 'absolute bg-orange-500 text-white font-bold rounded-lg w-24 h-8 flex items-center justify-center';
                protein.style.left = '50%';
                protein.style.bottom = '20px';
                protein.style.transform = 'translateX(-50%)';
                protein.textContent = 'Protein';
                protein.style.opacity = '0';
                infoModel.appendChild(protein);
                
                setTimeout(() => {
                    protein.style.transition = 'opacity 0.5s';
                    protein.style.opacity = '1';
                }, 2000);
            }, 1000);
        });

        // Initialize DNA on page load
        createDNA();
    </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=smjain/dna" style="color: #fff;text-decoration: underline;" target="_blank" >🧬 Remix</a></p></body>
</html>