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cv_analyzer.py

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+"""
+CV + Portfolio Analyzer — Python/Streamlit
+Powered by Claude & Gemini · Multi-step Tool Use
+"""
+
+import json
+import os
+import streamlit as st
+import anthropic
+import google.generativeai as genai
+from google.generativeai.types import FunctionDeclaration, Tool as GeminiTool
+
+# ─── Page Config ───────────────────────────────────────────────────────────────
+st.set_page_config(
+    page_title="CV + Portfolio Analyzer",
+    page_icon="📄",
+    layout="wide",
+    initial_sidebar_state="collapsed",
+)
+
+# ─── Custom CSS ────────────────────────────────────────────────────────────────
+st.markdown("""
+<style>
+@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
+
+html, body, [data-testid="stAppViewContainer"] {
+    background: #0a0f1a !important;
+    color: #e2e8f0 !important;
+    font-family: 'Inter', -apple-system, sans-serif !important;
+}
+[data-testid="stHeader"] { background: transparent !important; }
+
+/* Hide streamlit default menu */
+#MainMenu, footer, header { visibility: hidden; }
+
+/* Sidebar */
+[data-testid="stSidebar"] { background: #0d1526 !important; }
+
+/* Text areas */
+textarea {
+    background: rgba(255,255,255,0.04) !important;
+    border: 1px solid rgba(255,255,255,0.08) !important;
+    color: #e2e8f0 !important;
+    border-radius: 12px !important;
+    font-family: 'SF Mono', 'Fira Code', monospace !important;
+    font-size: 13px !important;
+}
+
+/* Text inputs */
+input[type="text"], input[type="password"] {
+    background: rgba(255,255,255,0.04) !important;
+    border: 1px solid rgba(255,255,255,0.08) !important;
+    color: #e2e8f0 !important;
+    border-radius: 8px !important;
+}
+
+/* Buttons */
+.stButton > button {
+    background: linear-gradient(135deg, #f59e0b, #ef4444) !important;
+    color: white !important;
+    border: none !important;
+    border-radius: 12px !important;
+    font-weight: 600 !important;
+    padding: 12px 40px !important;
+    font-size: 15px !important;
+    transition: transform 0.2s !important;
+    box-shadow: 0 4px 24px rgba(245,158,11,0.3) !important;
+}
+.stButton > button:hover { transform: translateY(-2px) !important; }
+
+/* Tabs */
+[data-testid="stTabs"] button {
+    background: transparent !important;
+    color: #64748b !important;
+    border-radius: 9px !important;
+    font-size: 13px !important;
+}
+[data-testid="stTabs"] button[aria-selected="true"] {
+    background: rgba(245,158,11,0.15) !important;
+    color: #f59e0b !important;
+    border-bottom: 2px solid #f59e0b !important;
+}
+
+/* Metrics */
+[data-testid="stMetric"] {
+    background: rgba(255,255,255,0.04) !important;
+    border: 1px solid rgba(255,255,255,0.08) !important;
+    border-radius: 14px !important;
+    padding: 16px !important;
+}
+[data-testid="stMetricValue"] { color: white !important; font-size: 28px !important; }
+[data-testid="stMetricLabel"] { color: #64748b !important; font-size: 12px !important; }
+
+/* Progress bar */
+.stProgress > div > div {
+    background: linear-gradient(90deg, #f59e0b, #ef4444) !important;
+    border-radius: 4px !important;
+}
+
+/* Expanders */
+[data-testid="stExpander"] {
+    background: rgba(255,255,255,0.03) !important;
+    border: 1px solid rgba(255,255,255,0.07) !important;
+    border-radius: 12px !important;
+}
+
+/* Divider */
+hr { border-color: rgba(255,255,255,0.06) !important; }
+
+/* Labels */
+label { color: #94a3b8 !important; font-size: 12px !important; font-weight: 600 !important; letter-spacing: 0.08em !important; text-transform: uppercase !important; }
+</style>
+""", unsafe_allow_html=True)
+
+# ─── Tool Definitions ─────────────────────────────────────────────────────────
+TOOLS = [
+    {
+        "name": "analyze_cv_sections",
+        "description": "Analyze the CV structure, identify all sections present, rate each section quality, detect critical gaps, and provide improvement recommendations.",
+        "input_schema": {
+            "type": "object",
+            "properties": {
+                "sections_found": {"type": "array", "items": {"type": "string"}, "description": "Sections detected in the CV"},
+                "missing_sections": {"type": "array", "items": {"type": "string"}, "description": "Important missing sections"},
+                "section_scores": {
+                    "type": "object",
+                    "description": "Quality score per section (0-10)",
+                    "additionalProperties": {"type": "number"}
+                },
+                "overall_score": {"type": "number", "description": "CV strength score (0-100)"},
+                "key_strengths": {"type": "array", "items": {"type": "string"}},
+                "critical_gaps": {"type": "array", "items": {"type": "string"}},
+                "recommendations": {"type": "array", "items": {"type": "string"}}
+            },
+            "required": ["sections_found", "missing_sections", "overall_score", "key_strengths", "critical_gaps", "recommendations"]
+        }
+    },
+    {
+        "name": "calculate_job_match",
+        "description": "Compare CV against the job description. Identify matched/missing skills, calculate a match percentage, and give actionable tips.",
+        "input_schema": {
+            "type": "object",
+            "properties": {
+                "match_score": {"type": "number", "description": "Match percentage 0-100"},
+                "matched_skills": {"type": "array", "items": {"type": "string"}},
+                "missing_skills": {"type": "array", "items": {"type": "string"}},
+                "experience_match": {"type": "string"},
+                "highlight_points": {"type": "array", "items": {"type": "string"}, "description": "Strong alignment points to emphasize"},
+                "improvement_tips": {"type": "array", "items": {"type": "string"}}
+            },
+            "required": ["match_score", "matched_skills", "missing_skills", "highlight_points", "improvement_tips"]
+        }
+    },
+    {
+        "name": "write_cover_letter",
+        "description": "Generate a personalized, compelling cover letter tailored to the job description using insights from the CV analysis.",
+        "input_schema": {
+            "type": "object",
+            "properties": {
+                "subject_line": {"type": "string"},
+                "cover_letter": {"type": "string", "description": "Full formatted cover letter"},
+                "key_selling_points": {"type": "array", "items": {"type": "string"}}
+            },
+            "required": ["cover_letter", "key_selling_points"]
+        }
+    }
+]
+
+# ─── Gemini Tool Definitions (function declarations) ──────────────────────────
+GEMINI_TOOLS = [GeminiTool(function_declarations=[
+    FunctionDeclaration(
+        name="analyze_cv_sections",
+        description="Analyze the CV structure, identify all sections present, rate each section quality, detect critical gaps, and provide improvement recommendations.",
+        parameters={
+            "type": "object",
+            "properties": {
+                "sections_found":   {"type": "array", "items": {"type": "string"}, "description": "Sections detected in the CV"},
+                "missing_sections": {"type": "array", "items": {"type": "string"}, "description": "Important missing sections"},
+                "overall_score":    {"type": "number", "description": "CV strength score (0-100)"},
+                "key_strengths":    {"type": "array", "items": {"type": "string"}},
+                "critical_gaps":    {"type": "array", "items": {"type": "string"}},
+                "recommendations":  {"type": "array", "items": {"type": "string"}},
+            },
+            "required": ["sections_found", "missing_sections", "overall_score", "key_strengths", "critical_gaps", "recommendations"],
+        },
+    ),
+    FunctionDeclaration(
+        name="calculate_job_match",
+        description="Compare CV against the job description. Identify matched/missing skills, calculate a match percentage, and give actionable tips.",
+        parameters={
+            "type": "object",
+            "properties": {
+                "match_score":      {"type": "number", "description": "Match percentage 0-100"},
+                "matched_skills":   {"type": "array", "items": {"type": "string"}},
+                "missing_skills":   {"type": "array", "items": {"type": "string"}},
+                "experience_match": {"type": "string"},
+                "highlight_points": {"type": "array", "items": {"type": "string"}},
+                "improvement_tips": {"type": "array", "items": {"type": "string"}},
+            },
+            "required": ["match_score", "matched_skills", "missing_skills", "highlight_points", "improvement_tips"],
+        },
+    ),
+    FunctionDeclaration(
+        name="write_cover_letter",
+        description="Generate a personalized, compelling cover letter tailored to the job description using insights from the CV analysis.",
+        parameters={
+            "type": "object",
+            "properties": {
+                "subject_line":       {"type": "string"},
+                "cover_letter":       {"type": "string", "description": "Full formatted cover letter"},
+                "key_selling_points": {"type": "array", "items": {"type": "string"}},
+            },
+            "required": ["cover_letter", "key_selling_points"],
+        },
+    ),
+])]
+
+STEPS = [
+    {"id": "analyze_cv_sections",  "label": "CV Analizi",    "icon": "▣", "desc": "Bölümler, güçlü yanlar ve eksikler tespit ediliyor"},
+    {"id": "calculate_job_match",  "label": "İş Eşleştirme", "icon": "◎", "desc": "Pozisyona uyum oranı hesaplanıyor"},
+    {"id": "write_cover_letter",   "label": "Ön Yazı",       "icon": "✦", "desc": "Kişiselleştirilmiş cover letter oluşturuluyor"},
+]
+
+# ─── Sample Data ───────────────────────────────────────────────────────────────
+SAMPLE_CV = """John Doe
+john@example.com | +1 (555) 123-4567 | linkedin.com/in/johndoe | github.com/johndoe
+
+SUMMARY
+Full-stack developer with 4 years of experience building scalable web applications. Passionate about clean code, performance optimization, and developer experience.
+
+EXPERIENCE
+Senior Frontend Developer — TechCorp (2022–Present)
+- Built React/TypeScript dashboard used by 50k daily users
+- Reduced page load time by 40% through code splitting and lazy loading
+- Mentored 3 junior developers
+
+Frontend Developer — StartupXYZ (2020–2022)
+- Developed e-commerce platform with Next.js and Node.js
+- Integrated Stripe payment system and REST APIs
+
+EDUCATION
+B.Sc. Computer Science — State University (2016–2020)
+
+SKILLS
+JavaScript, TypeScript, React, Next.js, Node.js, PostgreSQL, Docker, AWS"""
+
+SAMPLE_JD = """Senior Full-Stack Engineer — FinTech Startup
+
+We're looking for an experienced full-stack engineer to join our growing team.
+
+Requirements:
+- 5+ years of full-stack development experience
+- Strong proficiency in React, TypeScript, and Node.js
+- Experience with microservices architecture
+- Knowledge of financial systems or payment processing (Stripe, Plaid)
+- GraphQL API design and implementation
+- AWS/GCP cloud infrastructure experience
+- Leadership and mentoring skills
+- Strong communication and teamwork"""
+
+
+# ─── Helper: colored badge ─────────────────────────────────────────────────────
+def badge(text: str, color: str = "#f59e0b", bg: str = "rgba(245,158,11,0.12)") -> str:
+    return (
+        f'<span style="display:inline-block;padding:3px 10px;border-radius:20px;'
+        f'font-size:12px;background:{bg};color:{color};'
+        f'border:1px solid {color}33;white-space:nowrap;margin:2px">{text}</span>'
+    )
+
+
+def green_badge(t):  return badge(t, "#34d399", "rgba(16,185,129,0.12)")
+def red_badge(t):    return badge(t, "#f87171", "rgba(239,68,68,0.12)")
+def amber_badge(t):  return badge(t, "#fbbf24", "rgba(245,158,11,0.12)")
+def blue_badge(t):   return badge(t, "#60a5fa", "rgba(59,130,246,0.12)")
+
+
+def score_circle(score: int, label: str, color: str = "#f59e0b"):
+    pct = max(0, min(100, score))
+    return f"""
+    <div style="text-align:center;padding:16px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:14px;">
+      <svg width="80" height="80" style="transform:rotate(-90deg)">
+        <circle cx="40" cy="40" r="34" fill="none" stroke="rgba(255,255,255,0.08)" stroke-width="6"/>
+        <circle cx="40" cy="40" r="34" fill="none" stroke="{color}"
+          stroke-width="6" stroke-linecap="round"
+          stroke-dasharray="{pct/100*213.6:.1f} {213.6 - pct/100*213.6:.1f}"
+          style="transition:stroke-dasharray 1s ease"/>
+        <text x="40" y="40" text-anchor="middle" dominant-baseline="central"
+          fill="white" font-size="15" font-weight="600"
+          style="transform:rotate(90deg) translate(0px,-80px)">{score}</text>
+      </svg>
+      <div style="color:#64748b;font-size:12px;margin-top:6px">{label}</div>
+      <div style="color:white;font-size:20px;font-weight:700">{score}/100</div>
+    </div>"""
+
+
+# ─── Core: run analysis ─────────────────────────────────────────────────────────
+def run_analysis(cv_text: str, job_desc: str, api_key: str):
+    """Generator that yields status dicts as Claude streams tool results."""
+    client = anthropic.Anthropic(api_key=api_key)
+
+    messages = [
+        {
+            "role": "user",
+            "content": (
+                "You are an expert career coach and CV analyzer. "
+                "Analyze the following CV and job description thoroughly using all three available tools in sequence.\n\n"
+                f"<cv>\n{cv_text}\n</cv>\n\n"
+                f"<job_description>\n{job_desc}\n</job_description>\n\n"
+                "Please:\n"
+                "1. First call analyze_cv_sections to evaluate the CV quality\n"
+                "2. Then call calculate_job_match to assess alignment with the job\n"
+                "3. Finally call write_cover_letter to create a compelling application letter\n\n"
+                "Use all three tools."
+            )
+        }
+    ]
+
+    results = {"cv": None, "match": None, "letter": None}
+    tool_log = []
+
+    continue_loop = True
+    while continue_loop:
+        yield {"type": "status", "msg": "Claude API'ye istek gönderiliyor..."}
+
+        response = client.messages.create(
+            model="claude-opus-4-5",
+            max_tokens=4000,
+            tools=TOOLS,
+            messages=messages,
+        )
+
+        messages.append({"role": "assistant", "content": response.content})
+
+        tool_use_blocks = [b for b in response.content if b.type == "tool_use"]
+
+        if not tool_use_blocks:
+            continue_loop = False
+            break
+
+        tool_results_msg = []
+
+        for block in tool_use_blocks:
+            tool_name = block.name
+            tool_input = block.input
+
+            step_idx = next((i for i, s in enumerate(STEPS) if s["id"] == tool_name), -1)
+            step_label = STEPS[step_idx]["label"] if step_idx >= 0 else tool_name
+
+            yield {"type": "step",   "step_idx": step_idx, "label": step_label}
+            yield {"type": "status", "msg": f"{step_label} çalışıyor..."}
+
+            # Store results
+            if tool_name == "analyze_cv_sections":
+                results["cv"] = tool_input
+            elif tool_name == "calculate_job_match":
+                results["match"] = tool_input
+            elif tool_name == "write_cover_letter":
+                results["letter"] = tool_input
+
+            tool_log.append({"name": tool_name, "result": tool_input})
+            yield {"type": "tool_done", "name": tool_name, "result": tool_input, "results": results, "log": tool_log}
+
+            tool_results_msg.append({
+                "type": "tool_result",
+                "tool_use_id": block.id,
+                "content": json.dumps(tool_input),
+            })
+
+        messages.append({"role": "user", "content": tool_results_msg})
+
+        if response.stop_reason == "end_turn":
+            continue_loop = False
+
+    yield {"type": "done", "results": results, "log": tool_log}
+
+
+# ─── Core: run analysis with Gemini ────────────────────────────────────────────
+def run_analysis_gemini(cv_text: str, job_desc: str, api_key: str):
+    """Generator that yields status dicts as Gemini streams tool results."""
+    genai.configure(api_key=api_key)
+    model = genai.GenerativeModel(
+        model_name="gemini-2.0-flash",
+        tools=GEMINI_TOOLS,
+        system_instruction=(
+            "You are an expert career coach and CV analyzer. "
+            "Use all three available tools in sequence: "
+            "first analyze_cv_sections, then calculate_job_match, then write_cover_letter."
+        ),
+    )
+
+    user_prompt = (
+        f"Analyze this CV and job description using all three tools in order.\n\n"
+        f"<cv>\n{cv_text}\n</cv>\n\n"
+        f"<job_description>\n{job_desc}\n</job_description>\n\n"
+        "1. Call analyze_cv_sections\n"
+        "2. Call calculate_job_match\n"
+        "3. Call write_cover_letter\n"
+        "Use all three tools."
+    )
+
+    results = {"cv": None, "match": None, "letter": None}
+    tool_log = []
+    history = []
+
+    # Ordered list of tools to call
+    tools_to_call = ["analyze_cv_sections", "calculate_job_match", "write_cover_letter"]
+    current_prompt = user_prompt
+
+    for expected_tool in tools_to_call:
+        yield {"type": "status", "msg": "Gemini API'ye istek gönderiliyor..."}
+
+        chat = model.start_chat(history=history)
+        response = chat.send_message(current_prompt)
+
+        # Find function call in response
+        fc = None
+        for part in response.parts:
+            if hasattr(part, "function_call") and part.function_call.name:
+                fc = part.function_call
+                break
+
+        if fc is None:
+            # Try to extract JSON from text as fallback
+            break
+
+        tool_name = fc.name
+        # Convert Gemini MapComposite to plain dict
+        tool_input = dict(fc.args)
+        # Recursively convert nested MapComposite / ListValue objects
+        tool_input = json.loads(json.dumps(tool_input, default=str))
+        # De-nest arrays stored as {"values": [...]}
+        for k, v in tool_input.items():
+            if isinstance(v, dict) and list(v.keys()) == ["values"]:
+                tool_input[k] = v["values"]
+
+        step_idx = next((i for i, s in enumerate(STEPS) if s["id"] == tool_name), -1)
+        step_label = STEPS[step_idx]["label"] if step_idx >= 0 else tool_name
+
+        yield {"type": "step", "step_idx": step_idx, "label": step_label}
+        yield {"type": "status", "msg": f"{step_label} çalışıyor..."}
+
+        if tool_name == "analyze_cv_sections":
+            results["cv"] = tool_input
+        elif tool_name == "calculate_job_match":
+            results["match"] = tool_input
+        elif tool_name == "write_cover_letter":
+            results["letter"] = tool_input
+
+        tool_log.append({"name": tool_name, "result": tool_input})
+        yield {"type": "tool_done", "name": tool_name, "result": tool_input, "results": results, "log": tool_log}
+
+        # Build history for next turn: assistant called the function, we return the result
+        history = chat.history + [
+            {
+                "role": "user",
+                "parts": [{"function_response": {"name": tool_name, "response": {"result": str(tool_input)}}}],
+            }
+        ]
+        current_prompt = (
+            f"Good. Now call the next tool."
+        )
+
+    yield {"type": "done", "results": results, "log": tool_log}
+
+
+# ─── Session State Init ─────────────────────────────────────────────────────────
+for key, default in [
+    ("stage", "input"),         # input | loading | results
+    ("results", {}),
+    ("tool_log", []),
+    ("cv_text", SAMPLE_CV),
+    ("job_desc", SAMPLE_JD),
+    ("provider", "Claude"),
+]:
+    if key not in st.session_state:
+        st.session_state[key] = default
+
+
+# ─── Header ────────────────────────────────────────────────────────────────────
+st.markdown("""
+<div style="border-bottom:1px solid rgba(255,255,255,0.06);padding:18px 0 16px 0;margin-bottom:32px;">
+  <div style="display:flex;align-items:center;justify-content:space-between;">
+    <div style="display:flex;align-items:center;gap:12px;">
+      <div style="width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#f59e0b,#ef4444);
+                  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:white;">CV</div>
+      <div>
+        <div style="font-size:16px;font-weight:700;color:white;">CV + Portfolio Analyzer</div>
+        <div style="font-size:11px;color:#475569;letter-spacing:0.06em;">POWERED BY CLAUDE &amp; GEMINI · MULTI-STEP TOOL USE</div>
+      </div>
+    </div>
+    <div>
+""" +
+    green_badge("Function Calling") + "&nbsp;" +
+    blue_badge("Context Management") + "&nbsp;" +
+    amber_badge("Multi-step Reasoning") +
+"""
+    </div>
+  </div>
+</div>
+""", unsafe_allow_html=True)
+
+
+# ─── Sidebar: Provider + API Keys ─────────────────────────────────────────────
+with st.sidebar:
+    st.markdown("### ⚙️ Ayarlar")
+
+    provider = st.radio(
+        "AI Sağlayıcı",
+        options=["Claude", "Gemini"],
+        index=0 if st.session_state.provider == "Claude" else 1,
+        horizontal=True,
+        help="Hangi AI modeli kullanılsın?"
+    )
+    st.session_state.provider = provider
+
+    st.markdown("---")
+
+    if provider == "Claude":
+        api_key = st.text_input(
+            "Anthropic API Anahtarı",
+            value=os.environ.get("ANTHROPIC_API_KEY", ""),
+            type="password",
+            placeholder="sk-ant-...",
+            help="https://console.anthropic.com"
+        )
+        gemini_key = ""
+        st.markdown(
+            f'<div style="padding:8px 12px;border-radius:8px;background:rgba(245,158,11,0.08);'
+            f'border:1px solid rgba(245,158,11,0.2);font-size:12px;color:#f59e0b">'
+            f'🤖 Model: claude-opus-4-5</div>', unsafe_allow_html=True
+        )
+    else:
+        api_key = ""
+        gemini_key = st.text_input(
+            "Google Gemini API Anahtarı",
+            value=os.environ.get("GOOGLE_API_KEY", ""),
+            type="password",
+            placeholder="AIza...",
+            help="https://aistudio.google.com/app/apikey"
+        )
+        st.markdown(
+            f'<div style="padding:8px 12px;border-radius:8px;background:rgba(59,130,246,0.08);'
+            f'border:1px solid rgba(59,130,246,0.2);font-size:12px;color:#60a5fa">'
+            f'🤖 Model: gemini-2.0-flash</div>', unsafe_allow_html=True
+        )
+
+    st.markdown("---")
+    st.markdown("""
+**Nasıl çalışır?**
+1. CV metninizi yapıştırın
+2. İş ilanını ekleyin
+3. Analizi başlatın
+
+3 araç sırayla çalışır:
+- `analyze_cv_sections`
+- `calculate_job_match`
+- `write_cover_letter`
+""")
+
+
+# ════════════════════════════════════════════════════════════════════════════════
+#  STAGE: INPUT
+# ════════════════════════════════════════════════════════════════════════════════
+if st.session_state.stage == "input":
+    col1, col2 = st.columns(2)
+
+    with col1:
+        hdr1, btn1 = st.columns([3, 1])
+        with hdr1:
+            st.markdown('<p style="font-size:12px;font-weight:600;color:#94a3b8;letter-spacing:0.08em;text-transform:uppercase">CV / Özgeçmiş</p>', unsafe_allow_html=True)
+        with btn1:
+            if st.button("Örnek", key="sample_cv", help="Örnek CV yükle"):
+                st.session_state.cv_text = SAMPLE_CV
+                st.rerun()
+        cv_input = st.text_area("cv_area", value=st.session_state.cv_text, height=360,
+                                label_visibility="collapsed", key="cv_input_area")
+
+    with col2:
+        hdr2, btn2 = st.columns([3, 1])
+        with hdr2:
+            st.markdown('<p style="font-size:12px;font-weight:600;color:#94a3b8;letter-spacing:0.08em;text-transform:uppercase">İş İlanı</p>', unsafe_allow_html=True)
+        with btn2:
+            if st.button("Örnek", key="sample_jd", help="Örnek iş ilanı yükle"):
+                st.session_state.job_desc = SAMPLE_JD
+                st.rerun()
+        jd_input = st.text_area("jd_area", value=st.session_state.job_desc, height=360,
+                                label_visibility="collapsed", key="jd_input_area")
+
+    st.markdown("<br>", unsafe_allow_html=True)
+    _, center, _ = st.columns([2, 1, 2])
+    with center:
+        start = st.button("✦  Analizi Başlat", use_container_width=True)
+
+    if start:
+        active_key = api_key if st.session_state.provider == "Claude" else gemini_key
+        if not active_key:
+            pname = "Anthropic" if st.session_state.provider == "Claude" else "Google Gemini"
+            st.error(f"⚠️ Lütfen sol panelden {pname} API anahtarınızı girin.")
+        elif not cv_input.strip() or not jd_input.strip():
+            st.error("Lütfen CV ve iş ilanı alanlarını doldurun.")
+        else:
+            st.session_state.cv_text = cv_input
+            st.session_state.job_desc = jd_input
+            st.session_state.active_key = active_key
+            st.session_state.stage = "loading"
+            st.session_state.results = {}
+            st.session_state.tool_log = []
+            st.rerun()
+
+
+# ════════════════════════════════════════════════════════════════════════════════
+#  STAGE: LOADING
+# ════════════════════════════════════════════════════════════════════════════════
+elif st.session_state.stage == "loading":
+
+    # Step progress header
+    step_cols = st.columns(len(STEPS))
+    step_placeholders = []
+    for i, step in enumerate(STEPS):
+        with step_cols[i]:
+            ph = st.empty()
+            ph.markdown(
+                f'<div style="text-align:center;padding:12px;border-radius:12px;'
+                f'background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08)">'
+                f'<div style="font-size:22px">{step["icon"]}</div>'
+                f'<div style="font-size:13px;font-weight:600;color:#94a3b8;margin-top:6px">{step["label"]}</div>'
+                f'<div style="font-size:11px;color:#475569;margin-top:4px">{step["desc"]}</div>'
+                f'</div>', unsafe_allow_html=True
+            )
+            step_placeholders.append(ph)
+
+    st.markdown("<br>", unsafe_allow_html=True)
+    status_ph = st.empty()
+    progress_ph = st.empty()
+    log_ph = st.empty()
+
+    active_step = 0
+    partial_results = {}
+    log_entries = []
+
+    def render_step(idx, done_steps):
+        for i, step in enumerate(STEPS):
+            if i < done_steps:
+                icon_html = f'<div style="font-size:18px;color:#34d399">✓</div>'
+                bg = "linear-gradient(135deg,rgba(16,185,129,0.15),rgba(16,185,129,0.05))"
+                border = "rgba(16,185,129,0.25)"
+                label_color = "#34d399"
+            elif i == done_steps:
+                icon_html = f'<div style="font-size:22px;animation:spin 1s linear infinite">{step["icon"]}</div>'
+                bg = "rgba(245,158,11,0.08)"
+                border = "#f59e0b"
+                label_color = "#f59e0b"
+            else:
+                icon_html = f'<div style="font-size:22px;color:#475569">{step["icon"]}</div>'
+                bg = "rgba(255,255,255,0.03)"
+                border = "rgba(255,255,255,0.06)"
+                label_color = "#475569"
+
+            step_placeholders[i].markdown(
+                f'<div style="text-align:center;padding:12px;border-radius:12px;'
+                f'background:{bg};border:2px solid {border};transition:all 0.4s">'
+                f'{icon_html}'
+                f'<div style="font-size:13px;font-weight:600;color:{label_color};margin-top:6px">{step["label"]}</div>'
+                f'<div style="font-size:11px;color:#475569;margin-top:4px">{step["desc"]}</div>'
+                f'</div>', unsafe_allow_html=True
+            )
+
+    def render_log(entries):
+        if not entries:
+            log_ph.markdown(
+                '<div style="font-family:monospace;font-size:12px;padding:16px;'
+                'background:rgba(0,0,0,0.3);border-radius:12px;border:1px solid rgba(255,255,255,0.06);color:#475569">'
+                'Tool call log bekleniyor...'
+                '</div>', unsafe_allow_html=True
+            )
+            return
+        html = '<div style="font-family:monospace;font-size:12px;padding:16px;background:rgba(0,0,0,0.3);border-radius:12px;border:1px solid rgba(255,255,255,0.06)">'
+        html += '<div style="font-size:11px;color:#475569;margin-bottom:10px;letter-spacing:0.08em">TOOL CALL LOG</div>'
+        for e in entries:
+            preview = json.dumps(e["result"])[:200] + ("..." if len(json.dumps(e["result"])) > 200 else "")
+            html += f'''
+            <div style="margin-bottom:12px;padding:12px;background:rgba(255,255,255,0.03);border-radius:8px;border:1px solid rgba(255,255,255,0.06)">
+              <div style="color:#f59e0b;font-size:11px;letter-spacing:0.05em;margin-bottom:6px">TOOL CALL → {e["name"]}</div>
+              <div style="color:#34d399;font-size:11px;margin-bottom:6px">✓ Tamamlandı</div>
+              <div style="color:#475569;font-size:11px;background:rgba(0,0,0,0.3);padding:8px;border-radius:6px;white-space:pre-wrap;max-height:80px;overflow:hidden">{preview}</div>
+            </div>'''
+        html += '</div>'
+        log_ph.markdown(html, unsafe_allow_html=True)
+
+    render_step(0, 0)
+    render_log([])
+
+    try:
+        done_count = 0
+        _key = st.session_state.get("active_key", "")
+        _provider = st.session_state.get("provider", "Claude")
+        _fn = run_analysis if _provider == "Claude" else run_analysis_gemini
+        for event in _fn(st.session_state.cv_text, st.session_state.job_desc, _key):
+            if event["type"] == "status":
+                status_ph.markdown(
+                    f'<div style="text-align:center;color:#94a3b8;font-family:monospace;font-size:13px;padding:8px">'
+                    f'▸ {event["msg"]}</div>', unsafe_allow_html=True
+                )
+                progress_ph.progress(done_count / 3)
+
+            elif event["type"] == "step":
+                render_step(event["step_idx"], done_count)
+
+            elif event["type"] == "tool_done":
+                log_entries.append({"name": event["name"], "result": event["result"]})
+                done_count += 1
+                partial_results = event["results"]
+                render_step(done_count, done_count)
+                render_log(log_entries)
+                progress_ph.progress(done_count / 3)
+
+            elif event["type"] == "done":
+                st.session_state.results = event["results"]
+                st.session_state.tool_log = event["log"]
+                progress_ph.progress(1.0)
+                status_ph.markdown(
+                    '<div style="text-align:center;color:#34d399;font-family:monospace;font-size:13px;padding:8px">'
+                    '✓ Analiz tamamlandı!</div>', unsafe_allow_html=True
+                )
+                import time; time.sleep(0.5)
+                st.session_state.stage = "results"
+                st.rerun()
+
+    except Exception as e:
+        st.error(f"Hata: {e}")
+        if st.button("← Geri Dön"):
+            st.session_state.stage = "input"
+            st.rerun()
+
+
+# ════════════════════════════════════════════════════════════════════════════════
+#  STAGE: RESULTS
+# ════════════════════════════════════════════════════════════════════════════════
+elif st.session_state.stage == "results":
+    results = st.session_state.results
+    cv    = results.get("cv") or {}
+    match = results.get("match") or {}
+    letter = results.get("letter") or {}
+
+    tab_overview, tab_match, tab_letter, tab_log = st.tabs(
+        ["📊 Genel Bakış", "🎯 İş Eşleşmesi", "✉️ Cover Letter", "🔧 Tool Logs"]
+    )
+
+    # ── Overview Tab ───────────────────────────────────────────────────────────
+    with tab_overview:
+        # Score cards
+        m1, m2, m3 = st.columns(3)
+        with m1:
+            st.markdown(score_circle(int(cv.get("overall_score", 0)), "CV Puanı", "#f59e0b"), unsafe_allow_html=True)
+        with m2:
+            st.markdown(score_circle(int(match.get("match_score", 0)), "İş Uyumu", "#10b981"), unsafe_allow_html=True)
+        with m3:
+            sections = cv.get("sections_found", [])
+            badges_html = " ".join(blue_badge(s) for s in sections)
+            st.markdown(
+                f'<div style="padding:16px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:14px;min-height:130px">'
+                f'<div style="font-size:12px;color:#64748b;margin-bottom:10px">Bulunan Bölümler</div>'
+                f'{badges_html}'
+                f'</div>', unsafe_allow_html=True
+            )
+
+        st.markdown("<br>", unsafe_allow_html=True)
+
+        # Strengths & Gaps
+        c_str, c_gap = st.columns(2)
+        with c_str:
+            items = "".join(
+                f'<div style="display:flex;gap:8px;margin-bottom:8px;font-size:13px;color:#94a3b8"><span style="color:#34d399">→</span> {s}</div>'
+                for s in cv.get("key_strengths", [])
+            )
+            st.markdown(
+                f'<div style="padding:20px;border-radius:14px;background:rgba(16,185,129,0.04);border:1px solid rgba(16,185,129,0.12)">'
+                f'<div style="font-size:13px;font-weight:600;color:#34d399;margin-bottom:12px">✦ Güçlü Yanlar</div>'
+                f'{items}</div>', unsafe_allow_html=True
+            )
+        with c_gap:
+            items = "".join(
+                f'<div style="display:flex;gap:8px;margin-bottom:8px;font-size:13px;color:#94a3b8"><span style="color:#f87171">→</span> {g}</div>'
+                for g in cv.get("critical_gaps", [])
+            )
+            st.markdown(
+                f'<div style="padding:20px;border-radius:14px;background:rgba(239,68,68,0.04);border:1px solid rgba(239,68,68,0.12)">'
+                f'<div style="font-size:13px;font-weight:600;color:#f87171;margin-bottom:12px">⚠ Kritik Eksikler</div>'
+                f'{items}</div>', unsafe_allow_html=True
+            )
+
+        # Missing sections
+        missing = cv.get("missing_sections", [])
+        if missing:
+            st.markdown("<br>", unsafe_allow_html=True)
+            badges_html = " ".join(amber_badge(s) for s in missing)
+            st.markdown(
+                f'<div style="padding:16px 20px;border-radius:12px;background:rgba(245,158,11,0.06);border:1px solid rgba(245,158,11,0.15)">'
+                f'<div style="font-size:12px;font-weight:600;color:#fbbf24;margin-bottom:10px">EKSİK BÖLÜMLER</div>'
+                f'{badges_html}</div>', unsafe_allow_html=True
+            )
+
+        # Recommendations
+        st.markdown("<br>", unsafe_allow_html=True)
+        recs_html = "".join(
+            f'<div style="display:flex;gap:12px;margin-bottom:10px;padding:10px 14px;border-radius:8px;background:rgba(255,255,255,0.03)">'
+            f'<span style="min-width:22px;height:22px;border-radius:50%;background:rgba(245,158,11,0.15);color:#f59e0b;'
+            f'display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700">{i+1}</span>'
+            f'<span style="font-size:13px;color:#94a3b8;line-height:1.6">{r}</span></div>'
+            for i, r in enumerate(cv.get("recommendations", []))
+        )
+        st.markdown(
+            f'<div style="padding:20px;border-radius:14px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.07)">'
+            f'<div style="font-size:13px;font-weight:600;color:#e2e8f0;margin-bottom:14px">▣ Öneriler</div>'
+            f'{recs_html}</div>', unsafe_allow_html=True
+        )
+
+    # ── Match Tab ──────────────────────────────────────────────────────────────
+    with tab_match:
+        score = int(match.get("match_score", 0))
+        st.markdown(
+            f'<div style="padding:24px;border-radius:14px;margin-bottom:20px;'
+            f'background:linear-gradient(135deg,rgba(16,185,129,0.08),rgba(59,130,246,0.08));'
+            f'border:1px solid rgba(16,185,129,0.15);">'
+            f'<div style="font-size:32px;font-weight:800;color:white">{score}% Uyum</div>'
+            f'<div style="font-size:13px;color:#64748b;margin-top:4px">{match.get("experience_match","")}</div>'
+            f'</div>', unsafe_allow_html=True
+        )
+        st.progress(score / 100)
+
+        c_ok, c_miss = st.columns(2)
+        with c_ok:
+            badges = " ".join(green_badge(s) for s in match.get("matched_skills", []))
+            st.markdown(
+                f'<div style="padding:20px;border-radius:14px;background:rgba(16,185,129,0.04);border:1px solid rgba(16,185,129,0.12)">'
+                f'<div style="font-size:12px;font-weight:600;color:#34d399;margin-bottom:12px">✓ EŞLEŞEn BECERİLER</div>'
+                f'{badges}</div>', unsafe_allow_html=True
+            )
+        with c_miss:
+            badges = " ".join(red_badge(s) for s in match.get("missing_skills", []))
+            st.markdown(
+                f'<div style="padding:20px;border-radius:14px;background:rgba(239,68,68,0.04);border:1px solid rgba(239,68,68,0.12)">'
+                f'<div style="font-size:12px;font-weight:600;color:#f87171;margin-bottom:12px">✗ EKSİK BECERİLER</div>'
+                f'{badges}</div>', unsafe_allow_html=True
+            )
+
+        st.markdown("<br>", unsafe_allow_html=True)
+        hp_items = "".join(
+            f'<div style="display:flex;gap:8px;margin-bottom:8px;font-size:13px;color:#94a3b8"><span style="color:#60a5fa">◦</span> {h}</div>'
+            for h in match.get("highlight_points", [])
+        )
+        st.markdown(
+            f'<div style="padding:20px;border-radius:14px;background:rgba(59,130,246,0.04);border:1px solid rgba(59,130,246,0.12);margin-bottom:16px">'
+            f'<div style="font-size:12px;font-weight:600;color:#60a5fa;margin-bottom:12px">◎ ÖNE ÇIKARILACAK NOKTALAR</div>'
+            f'{hp_items}</div>', unsafe_allow_html=True
+        )
+
+        tip_items = "".join(
+            f'<div style="display:flex;gap:8px;margin-bottom:8px;font-size:13px;color:#94a3b8"><span style="color:#fbbf24">→</span> {t}</div>'
+            for t in match.get("improvement_tips", [])
+        )
+        st.markdown(
+            f'<div style="padding:20px;border-radius:14px;background:rgba(245,158,11,0.04);border:1px solid rgba(245,158,11,0.12)">'
+            f'<div style="font-size:12px;font-weight:600;color:#fbbf24;margin-bottom:12px">⟳ İYİLEŞTİRME ÖNERİLERİ</div>'
+            f'{tip_items}</div>', unsafe_allow_html=True
+        )
+
+    # ── Cover Letter Tab ───────────────────────────────────────────────────────
+    with tab_letter:
+        ksp = letter.get("key_selling_points", [])
+        if ksp:
+            badges = " ".join(amber_badge(p) for p in ksp)
+            st.markdown(
+                f'<div style="padding:16px 20px;border-radius:12px;margin-bottom:20px;'
+                f'background:rgba(245,158,11,0.06);border:1px solid rgba(245,158,11,0.15)">'
+                f'<div style="font-size:12px;font-weight:600;color:#fbbf24;margin-bottom:10px">✦ ÖNEMLİ SATIŞ NOKTALARI</div>'
+                f'{badges}</div>', unsafe_allow_html=True
+            )
+
+        if letter.get("subject_line"):
+            st.markdown(
+                f'<div style="padding:12px 16px;border-radius:10px;margin-bottom:16px;'
+                f'background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08)">'
+                f'<span style="font-size:11px;color:#64748b;margin-right:8px">KONU:</span>'
+                f'<span style="font-size:13px;color:#e2e8f0">{letter["subject_line"]}</span>'
+                f'</div>', unsafe_allow_html=True
+            )
+
+        cover = letter.get("cover_letter", "")
+        st.markdown(
+            f'<div style="padding:28px;border-radius:14px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.07)">'
+            f'<pre style="font-family:Georgia,serif;font-size:14px;line-height:1.9;color:#cbd5e1;white-space:pre-wrap;margin:0">{cover}</pre>'
+            f'</div>', unsafe_allow_html=True
+        )
+        if st.button("⧉ Kopyala", key="copy_letter"):
+            st.code(cover, language=None)
+
+    # ── Tool Log Tab ───────────────────────────────────────────────────────────
+    with tab_log:
+        for entry in st.session_state.tool_log:
+            with st.expander(f"🔧 TOOL CALL → {entry['name']}"):
+                st.json(entry["result"])
+
+    # New analysis button
+    st.markdown("<br><br>", unsafe_allow_html=True)
+    _, center, _ = st.columns([2, 1, 2])
+    with center:
+        if st.button("← Yeni Analiz", use_container_width=True):
+            st.session_state.stage = "input"
+            st.session_state.results = {}
+            st.session_state.tool_log = []
+            st.rerun()