File size: 19,394 Bytes
9ae6197
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
import streamlit as st
import os
import sys
import time

sys.path.insert(0, os.path.abspath(os.path.dirname(__file__)))

from client import JewelryShopEnv
from models import JewelryAction
from inference import get_model_action
from openai import OpenAI
from dotenv import load_dotenv

load_dotenv()

st.set_page_config(page_title="Jewelry Shop AI Agent", page_icon="πŸ’Ž", layout="wide", initial_sidebar_state="expanded")

# ── PREMIUM CSS ──
st.markdown("""
<style>
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #0F1117;
    --bg-card: rgba(30, 34, 50, 0.7);
    --bg-card-hover: rgba(40, 44, 65, 0.85);
    --border-glass: rgba(255,255,255,0.08);
    --accent-red: #FF4B6E;
    --accent-green: #00E09E;
    --accent-blue: #5B8DEF;
    --accent-gold: #FFD700;
    --accent-purple: #A78BFA;
    --text-primary: #F1F5F9;
    --text-muted: #94A3B8;
}

html, body, [class*="css"] {
    font-family: 'Inter', sans-serif;
}

.stApp {
    background: linear-gradient(135deg, #0F1117 0%, #1A1B2E 50%, #0F1117 100%);
    color: var(--text-primary);
}

/* Hide default streamlit elements */
#MainMenu, footer, header {visibility: hidden;}

.hero-title {
    font-size: 2.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FFD700, #FF6B6B, #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.3rem;
    letter-spacing: -0.5px;
}
.hero-sub {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Glassmorphism metric cards */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 20px 16px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.glass-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    border-radius: 16px 16px 0 0;
}
.glass-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.glass-card.phase::before { background: linear-gradient(90deg, #FF4B6E, #FF6B8A); }
.glass-card.cash::before { background: linear-gradient(90deg, #00E09E, #00C9A7); }
.glass-card.gold::before { background: linear-gradient(90deg, #FFD700, #FFA500); }
.glass-card.items::before { background: linear-gradient(90deg, #5B8DEF, #818CF8); }
.glass-card.price::before { background: linear-gradient(90deg, #A78BFA, #C084FC); }

.card-value {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 8px 0 4px;
}
.card-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}
.card-icon { font-size: 1.4rem; }

.v-phase { color: #FF4B6E; }
.v-cash { color: #00E09E; }
.v-gold { color: #FFD700; }
.v-items { color: #5B8DEF; }
.v-price { color: #A78BFA; }

/* Phase pipeline */
.phase-pipeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin: 1.2rem 0;
    padding: 16px 24px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
}
.phase-node {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    color: var(--text-muted);
    transition: all 0.3s ease;
}
.phase-node.active {
    color: white;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.phase-node.active.market { background: linear-gradient(135deg, #FF4B6E, #FF6B8A); border-color: #FF4B6E; }
.phase-node.active.warehouse { background: linear-gradient(135deg, #5B8DEF, #818CF8); border-color: #5B8DEF; }
.phase-node.active.showroom { background: linear-gradient(135deg, #00E09E, #00C9A7); border-color: #00E09E; }
.phase-node.done { color: var(--accent-green); border-color: rgba(0,224,158,0.3); }
.phase-arrow { color: var(--text-muted); font-size: 1.2rem; margin: 0 8px; }

/* Log entries */
.log-entry {
    padding: 12px 16px;
    margin: 6px 0;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}
.log-entry:hover { background: var(--bg-card-hover); }

.log-badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}
.badge-market { background: rgba(255,75,110,0.15); color: #FF4B6E; }
.badge-warehouse { background: rgba(91,141,239,0.15); color: #5B8DEF; }
.badge-showroom { background: rgba(0,224,158,0.15); color: #00E09E; }

.log-action-pill {
    background: rgba(255,215,0,0.12);
    color: #FFD700;
    padding: 3px 10px;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
}
.log-reward {
    margin-left: auto;
    font-weight: 700;
    font-size: 0.85rem;
}
.reward-pos { color: #00E09E; }
.reward-zero { color: var(--text-muted); }
.reward-neg { color: #FF4B6E; }

.log-msg {
    color: var(--text-muted);
    font-size: 0.82rem;
    padding: 6px 16px 6px 40px;
    font-style: italic;
}

/* Section headers */
.section-header {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 1.5rem 0 0.8rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Results card */
.results-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
}
.results-card.success { border-color: rgba(0,224,158,0.4); }
.results-card.fail { border-color: rgba(255,75,110,0.4); }
.results-score {
    font-size: 3rem;
    font-weight: 800;
}

/* Sidebar styling */
section[data-testid="stSidebar"] {
    background: linear-gradient(180deg, #151829 0%, #1A1D30 100%);
    border-right: 1px solid var(--border-glass);
}
section[data-testid="stSidebar"] .stSelectbox label,
section[data-testid="stSidebar"] .stTextInput label {
    color: var(--text-muted) !important;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Start button */
.stButton>button {
    background: linear-gradient(135deg, #FF4B6E 0%, #FF6B8A 50%, #A78BFA 100%);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    box-shadow: 0 4px 15px rgba(255,75,110,0.3);
}
.stButton>button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,75,110,0.5);
    color: white;
}

/* Chart containers */
.chart-container {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 16px;
    margin: 8px 0;
}
</style>
""", unsafe_allow_html=True)


# ── HELPER FUNCTIONS ──

def render_phase_pipeline(current_phase, done):
    phases = ["market", "warehouse", "showroom"]
    icons = {"market": "πŸ“ˆ", "warehouse": "🏭", "showroom": "πŸ›οΈ"}
    labels = {"market": "MARKET", "warehouse": "WAREHOUSE", "showroom": "SHOWROOM"}
    current_idx = phases.index(current_phase) if current_phase in phases else 0

    html = '<div class="phase-pipeline">'
    for i, p in enumerate(phases):
        cls = "phase-node"
        if done:
            cls += " done"
        elif i == current_idx:
            cls += f" active {p}"
        elif i < current_idx:
            cls += " done"
        html += f'<div class="{cls}">{icons[p]} {labels[p]}</div>'
        if i < len(phases) - 1:
            html += '<span class="phase-arrow">β†’</span>'
    html += '</div>'
    st.markdown(html, unsafe_allow_html=True)


def render_metrics(obs):
    crafted = [f"{v} {k}" for k, v in obs.inventory.items() if v > 0]
    items_str = ", ".join(crafted) if crafted else "β€”"

    cols = st.columns(5)
    cards = [
        ("phase", "πŸ”„", str(obs.phase).upper(), "CURRENT PHASE", "v-phase"),
        ("cash", "πŸ’΅", f"${obs.cash:,.2f}", "CASH BALANCE", "v-cash"),
        ("gold", "πŸͺ™", f"{obs.gold_oz:.2f} oz", "RAW GOLD", "v-gold"),
        ("items", "πŸ’", items_str, "CRAFTED ITEMS", "v-items"),
        ("price", "πŸ“Š", f"${obs.gold_price:.2f}", "GOLD PRICE/OZ", "v-price"),
    ]
    for col, (ctype, icon, value, label, vcls) in zip(cols, cards):
        with col:
            st.markdown(f'''
            <div class="glass-card {ctype}">
                <div class="card-icon">{icon}</div>
                <div class="card-value {vcls}">{value}</div>
                <div class="card-label">{label}</div>
            </div>''', unsafe_allow_html=True)


def format_log_entry(step, phase, action_str, reward, msg=""):
    badge_cls = f"badge-{phase}"
    if reward > 0:
        r_cls, r_sign = "reward-pos", "+"
    elif reward < 0:
        r_cls, r_sign = "reward-neg", ""
    else:
        r_cls, r_sign = "reward-zero", ""

    html = f'''
    <div class="log-entry">
        <span style="color:var(--text-muted);font-weight:600;min-width:50px;">#{step}</span>
        <span class="log-badge {badge_cls}">{phase.upper()}</span>
        <span class="log-action-pill">{action_str}</span>
        <span class="log-reward {r_cls}">{r_sign}{reward:.3f}</span>
    </div>'''
    if msg:
        html += f'<div class="log-msg">πŸ’¬ {msg}</div>'
    return html


# ── MAIN APP ──

def main():
    # ── SIDEBAR ──
    with st.sidebar:
        st.markdown("""
        <div style="text-align:center;margin-bottom:1.5rem;">
            <div style="font-size:2.5rem;">πŸ’Ž</div>
            <div style="font-size:1.2rem;font-weight:700;background:linear-gradient(135deg,#FFD700,#FF6B6B);
            -webkit-background-clip:text;-webkit-text-fill-color:transparent;">ShopManager AI</div>
            <div style="color:var(--text-muted);font-size:0.75rem;margin-top:4px;">Powered by GRPO Fine-tuning</div>
        </div>
        """, unsafe_allow_html=True)

        st.markdown("---")

        hf_token = st.text_input("πŸ”‘ HuggingFace Token", type="password",
                                  value=os.getenv("HF_TOKEN", ""),
                                  help="Your HF API token for model inference")

        models = [
            "hard007ik/shopmanager-grpo-qwen3",
            "meta-llama/Llama-3.3-70B-Instruct",
            "Qwen/Qwen2.5-72B-Instruct",
        ]
        model_name = st.selectbox("πŸ€– AI Model", models)

        env_url = st.text_input("🌐 Environment URL",
                                 value="https://hard007ik-shopmanagereng.hf.space")

        task_type = st.selectbox("🎯 Task Focus", [
            "market_timing", "demand_crafter", "profit_negotiator"
        ], help="Controls reward weighting across phases")

        task_labels = {
            "market_timing": "Market 60% Β· Craft 20% Β· Sell 20%",
            "demand_crafter": "Market 20% Β· Craft 60% Β· Sell 20%",
            "profit_negotiator": "Market 20% Β· Craft 20% Β· Sell 60%",
        }
        st.caption(task_labels[task_type])

        st.markdown("<br>", unsafe_allow_html=True)
        start_btn = st.button("πŸš€ Start New Episode", use_container_width=True)

        st.markdown("---")
        st.markdown("""
        <div style="text-align:center;color:var(--text-muted);font-size:0.7rem;">
            <div>Model: <b>shopmanager-grpo-qwen3</b></div>
            <div style="margin-top:4px;">Env: <b>HuggingFace Spaces</b></div>
        </div>
        """, unsafe_allow_html=True)

    # ── HERO HEADER ──
    st.markdown("""
    <div class="hero-title">πŸ’Ž Jewelry Shop AI Agent</div>
    <div class="hero-sub">
        Watch your fine-tuned AI autonomously manage a jewelry business β€”
        buying gold at the right price, crafting high-demand products, and negotiating maximum profit with customers.
    </div>
    """, unsafe_allow_html=True)

    # ── PLACEHOLDERS ──
    pipeline_ph = st.empty()
    metrics_ph = st.empty()

    chart_cols_ph = st.empty()

    st.markdown('<div class="section-header">πŸ“œ Live Event Log</div>', unsafe_allow_html=True)
    log_ph = st.empty()

    result_ph = st.empty()

    # ── IDLE STATE ──
    if not start_btn:
        pipeline_ph.markdown("""
        <div class="phase-pipeline">
            <div class="phase-node">πŸ“ˆ MARKET</div>
            <span class="phase-arrow">β†’</span>
            <div class="phase-node">🏭 WAREHOUSE</div>
            <span class="phase-arrow">β†’</span>
            <div class="phase-node">πŸ›οΈ SHOWROOM</div>
        </div>
        """, unsafe_allow_html=True)
        st.info("πŸ‘ˆ Configure settings in the sidebar and click **Start New Episode** to watch the AI run!")
        return

    # ── VALIDATION ──
    if not hf_token:
        st.error("πŸ”‘ Please enter your HuggingFace API Token in the sidebar.")
        return

    # ── INIT ENV ──
    with st.spinner("πŸ”Œ Connecting to environment server..."):
        try:
            env = JewelryShopEnv(base_url=env_url).sync()
            result = env.reset(task_id=task_type)
            obs = result.observation
            client = OpenAI(base_url="https://router.huggingface.co/v1", api_key=hf_token)
        except Exception as e:
            st.error(f"❌ Failed to connect: {e}")
            return

    # ── TRACKING STATE ──
    history = []
    rewards_list = []
    gold_prices = list(obs.gold_price_history) if obs.gold_price_history else [obs.gold_price]
    step_num = 1
    done = result.done
    last_reward = result.reward or 0.0
    log_html = ""
    phase_order = []

    # Render initial state
    with pipeline_ph.container():
        render_phase_pipeline(obs.phase, False)
    with metrics_ph.container():
        render_metrics(obs)

    # ── AUTOMATED EPISODE LOOP ──
    while not done and step_num <= 15:
        # 1. Ask AI for action
        try:
            import inference
            orig_model = inference.MODEL_NAME
            inference.MODEL_NAME = model_name

            action, action_str = get_model_action(
                client=client, step=step_num, obs=obs,
                last_reward=last_reward, history=history
            )
            inference.MODEL_NAME = orig_model
        except Exception as e:
            log_html += f'<div class="log-entry" style="border-color:#FF4B6E;"><span style="color:#FF4B6E;">❌ AI Error: {e}</span></div>'
            log_ph.markdown(log_html, unsafe_allow_html=True)
            break

        current_phase = obs.phase
        phase_order.append(current_phase)

        # 2. Step environment
        try:
            result = env.step(action)
            obs = result.observation
            reward = result.reward or 0.0
            done = result.done

            rewards_list.append(reward)
            history.append(f"Step {step_num} ({current_phase}): '{action_str}' -> reward {reward:+.2f}")

            # Track gold prices
            if obs.gold_price_history:
                gold_prices = list(obs.gold_price_history)
            elif obs.gold_price and obs.gold_price not in gold_prices:
                gold_prices.append(obs.gold_price)

        except Exception as e:
            log_html += f'<div class="log-entry" style="border-color:#FF4B6E;"><span style="color:#FF4B6E;">❌ Env Error: {e}</span></div>'
            log_ph.markdown(log_html, unsafe_allow_html=True)
            break

        # 3. Update all displays
        log_html += format_log_entry(step_num, current_phase, action_str, reward, obs.message)
        log_ph.markdown(log_html, unsafe_allow_html=True)

        with pipeline_ph.container():
            render_phase_pipeline(obs.phase if not done else "showroom", done)
        with metrics_ph.container():
            render_metrics(obs)

        # 4. Update charts
        with chart_cols_ph.container():
            c1, c2, c3 = st.columns(3)
            with c1:
                st.markdown('<div class="chart-container">', unsafe_allow_html=True)
                st.caption("πŸ“ˆ Gold Price Trend")
                if len(gold_prices) > 1:
                    st.line_chart(gold_prices, height=180)
                else:
                    st.info(f"Current: ${gold_prices[0]:.2f}/oz")
                st.markdown('</div>', unsafe_allow_html=True)

            with c2:
                st.markdown('<div class="chart-container">', unsafe_allow_html=True)
                st.caption("πŸ“Š Demand Forecast")
                forecast = getattr(obs, "demand_forecast", {}) or {}
                if forecast:
                    st.bar_chart(forecast, height=180)
                else:
                    demand = getattr(obs, "demand", {}) or {}
                    if demand:
                        st.bar_chart(demand, height=180)
                    else:
                        st.info("No demand data yet")
                st.markdown('</div>', unsafe_allow_html=True)

            with c3:
                st.markdown('<div class="chart-container">', unsafe_allow_html=True)
                st.caption("πŸ† Cumulative Reward")
                if rewards_list:
                    cum_rewards = []
                    running = 0
                    for r in rewards_list:
                        running += r
                        cum_rewards.append(running)
                    st.area_chart(cum_rewards, height=180)
                else:
                    st.info("No rewards yet")
                st.markdown('</div>', unsafe_allow_html=True)

        last_reward = reward
        step_num += 1
        time.sleep(1.0)

    # ── CLEANUP ──
    try:
        env.close()
    except Exception:
        pass

    # ── FINAL RESULTS ──
    score = float(getattr(obs, "cumulative_reward", sum(rewards_list) if rewards_list else 0.0))
    score = min(max(score, 0.0), 1.0)
    success = score >= 0.01

    with result_ph.container():
        cls = "success" if success else "fail"
        color = "#00E09E" if success else "#FF4B6E"
        icon = "πŸŽ‰" if success else "😞"
        label = "SUCCESS" if success else "FAILED"

        st.markdown(f"""
        <div class="results-card {cls}" style="margin-top:2rem;">
            <div style="font-size:2rem;">{icon}</div>
            <div style="color:{color};font-weight:700;font-size:0.9rem;letter-spacing:2px;margin:8px 0;">{label}</div>
            <div class="results-score" style="color:{color};">{score:.4f}</div>
            <div style="color:var(--text-muted);font-size:0.85rem;margin-top:8px;">
                Steps: <b>{step_num - 1}</b> &nbsp;|&nbsp;
                Task: <b>{task_type}</b> &nbsp;|&nbsp;
                Model: <b>{model_name.split('/')[-1]}</b>
            </div>
        </div>
        """, unsafe_allow_html=True)


if __name__ == "__main__":
    main()