Mangtae Abum Forensic Studio - AI Image Manipulation Triage

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<title>Mangtae Abum Forensic Studio - AI Image Manipulation Triage</title>
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<body>
  <div id="mtabum-app" role="region" aria-label="Mangtae Abum forensic tool">
    <div class="hero">
      <div class="topbar">
        <div>
          <h1 id="i18n-title">Mangtae Abum Forensic Studio <span class="badge" id="i18n-badge">Burst · PRNU · HEIC</span></h1>
          <div class="subtitle" id="i18n-subtitle">Quickly triage suspicious image signals before sharing. All processing stays in your browser only.</div>
        </div>
        <div class="top-actions">
          <button id="mt-lang-open" class="btn alt" type="button">Language</button>
        </div>
      </div>
      <div class="notice" id="i18n-notice">This tool provides preliminary indicators only. It does not make legal or factual determinations. Verify original files and provenance separately.</div>
    </div>

<div class="shell pad">
      <div id="mt-drop" class="drop" aria-live="polite">
        <input id="mt-file" class="sr-file" accept="image/jpeg,image/png,image/webp,image/gif,image/bmp,image/heic,.heic" type="file">
        <div id="i18n-drop-line">Drag and drop an image here or click <b>Select File</b>.</div>
        <div class="btns" style="justify-content:center;margin-top:10px;">
          <label class="btn alt" id="i18n-pick-label" for="mt-file">Select File</label>
          <span id="mt-file-status" class="file-status">No file chosen</span>
          <button id="mt-demo-real" class="btn ghost" type="button">Demo Photo</button>
          <button id="mt-demo-ai" class="btn ghost" type="button">Demo Composite</button>
        </div>
      </div>

<div class="btns" style="margin-top:12px;">
        <button id="mt-analyze" class="btn primary" disabled type="button">Analyze</button>
        <button id="mt-save" class="btn alt" disabled type="button">Save Report (JSON)</button>
        <button id="mt-export" class="btn alt" disabled type="button">Export Current View (PNG)</button>
        <button id="mt-reset" class="btn ghost" type="button">Reset</button>
      </div>

<div class="panel">
        <h3 id="i18n-ext-title">Extended Features</h3>
        <div class="body grid2">
          <div>
            <div id="i18n-burst-title" style="font-weight:bold;margin-bottom:6px;">Burst Comparison</div>
            <div class="file-row">
              <input id="mt-fileB" class="sr-file" accept="image/jpeg,image/png,image/webp,image/gif,image/bmp,image/heic,.heic" type="file">
              <label class="btn alt" id="i18n-pick-label-b" for="mt-fileB">Select File</label>
              <span id="mt-fileB-status" class="file-status">No file chosen</span>
            </div>
            <div class="btns">
              <button id="mt-compare" class="btn alt" disabled type="button">Run Burst Comparison</button>
            </div>
            <div id="mt-seqInfo" class="small"> </div>
          </div>
          <div>
            <div id="i18n-prnu-title" style="font-weight:bold;margin-bottom:6px;">Same Device PRNU Reference</div>
            <div class="file-row">
              <input id="mt-refFiles" class="sr-file" accept="image/jpeg,image/png,image/webp" multiple type="file">
              <label class="btn alt" id="i18n-pick-label-ref" for="mt-refFiles">Select Files</label>
              <span id="mt-refFiles-status" class="file-status">No files chosen</span>
            </div>
            <div class="btns">
              <button id="mt-buildRef" class="btn alt" disabled type="button">Build PRNU Reference</button>
              <button id="mt-prnuTest" class="btn alt" disabled type="button">PRNU Match Test</button>
            </div>
            <div id="mt-refStat" class="small">No reference built</div>
          </div>

<div style="grid-column:1/-1;">
            <div id="i18n-heic-title" style="font-weight:bold;margin-bottom:6px;">HEIC Metadata Parser</div>
            <div class="file-row">
              <input id="mt-heic" class="sr-file" accept="image/heic,.heic" type="file">
              <label class="btn alt" id="i18n-pick-label-heic" for="mt-heic">Select HEIC</label>
              <span id="mt-heic-status" class="file-status">No file chosen</span>
            </div>
            <div class="btns">
              <button id="mt-heicParse" class="btn alt" type="button">Parse HEIC Metadata</button>
            </div>
            <pre id="mt-heicOut" class="mono codebox" aria-live="polite"><code></code></pre>
          </div>
        </div>
      </div>

<div class="panel">
        <h3 id="i18n-vis-title">Visualization</h3>
        <div class="body">
          <div class="vispick">
            <button class="active" type="button" data-v="orig" id="i18n-v-orig">Original</button>
            <button type="button" data-v="ela" id="i18n-v-ela">ELA</button>
            <button type="button" data-v="ghost" id="i18n-v-ghost">Ghost Sweep</button>
            <button type="button" data-v="edge" id="i18n-v-edge">Noise Residual</button>
            <button type="button" data-v="clone" id="i18n-v-clone">Clone Suspicion</button>
            <button type="button" data-v="face" id="i18n-v-face">Face/Deepfake</button>
            <button type="button" data-v="compare" id="i18n-v-compare">Burst Compare</button>
            <button type="button" data-v="prnu" id="i18n-v-prnu">PRNU</button>
          </div>

<div class="legend" id="i18n-legend">
            <span id="i18n-legend-ela">ELA: Recompression difference heatmap</span>
            <span id="i18n-legend-ghost">Ghost: Peak response across quality sweep</span>
            <span id="i18n-legend-edge">Noise Residual: Edges / erase traces</span>
            <span id="i18n-legend-clone">Clone Suspicion: Approximate grid overlay</span>
            <span id="i18n-legend-face">Face/Deepfake: Candidate boxes and scores</span>
            <span id="i18n-legend-burst">Burst: Inter-frame difference</span>
            <span id="i18n-legend-prnu">PRNU: Device fingerprint correlation</span>
          </div>
          <div id="mt-ghostStats" class="small" style="margin-top:8px;"> </div>
          <div id="mt-prnuStats" class="small" style="margin-top:4px;"> </div>
        </div>
      </div>

<div class="panel">
        <h3 id="i18n-summary-title">Analysis Summary</h3>
        <div class="body">
          <div id="mt-kv" class="kv"> </div>
          <div class="sep"></div>
          <div id="mt-tags"></div>
          <div class="sep"></div>
          <div>
            <div id="mt-score" class="score">Manipulation suspicion result —</div>
            <div id="mt-verdict" class="small" style="margin-top:6px;"> </div>
          </div>
        </div>
      </div>

<div class="panel">
        <h3 id="i18n-report-title">Detailed Report</h3>
        <div class="body">
          <pre id="mt-report" class="mono"><code></code></pre>
        </div>
      </div>

<div id="mt-toast" class="toast" role="status">Saved</div>

<div class="footer" aria-label="legal notice">
        <div id="i18n-disclaimer-1"><b>Disclaimer (prevention-first)</b> This tool is for preliminary screening to reduce the spread of false or manipulated images. Results are reference information only and are not legal conclusions or factual determinations. Please verify the original file and provenance separately. False positives or misses may occur depending on re-encoding, screenshots, resizing, or low-quality inputs. Responsibility for use remains with the user.</div>
        <div id="i18n-disclaimer-2" style="margin-top:6px;"><b>Code Distribution Restriction</b> Unauthorized copying, modification, or redistribution of this page code and UI is prohibited.</div>
        <div id="i18n-disclaimer-3" style="margin-top:6px;"><b>Copyright</b> © 2026 Happycode7. All rights reserved.</div>
      </div>
    </div>

<div id="mt-lang-modal" class="lang-modal" aria-hidden="true" role="dialog" aria-modal="true" aria-labelledby="mt-lang-title">
      <div class="lang-card">
        <div class="lang-head">
          <div id="mt-lang-title" class="lang-title">Choose Language</div>
          <button id="mt-lang-close" class="btn ghost" type="button">Close</button>
        </div>
        <div class="lang-body">
          <div class="lang-grid">
            <button class="lang-btn" data-lang="en" type="button">English</button>
            <button class="lang-btn" data-lang="ko" type="button">한국어</button>
            <button class="lang-btn" data-lang="ja" type="button">日本語</button>
            <button class="lang-btn" data-lang="zh" type="button">中文</button>
            <button class="lang-btn" data-lang="es" type="button">Español</button>
          </div>
        </div>
        <div class="lang-foot">
          <button id="mt-lang-apply" class="btn primary" type="button">Apply</button>
        </div>
      </div>
    </div>
  </div>

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        title:"Mangtae Abum Forensic Studio",badge:"Burst · PRNU · HEIC",
        subtitle:"Quickly triage suspicious image signals before sharing. All processing stays in your browser only.",
        notice:"This tool provides preliminary indicators only. It does not make legal or factual determinations. Verify original files and provenance separately.",
        dropLine:"Drag and drop an image here or click <b>Select File</b>.",
        pick:"Select File",pickB:"Select File",pickRef:"Select Files",pickHeic:"Select HEIC",
        fileNone:"No file chosen",filesNone:"No files chosen",
        ext:"Extended Features",burst:"Burst Comparison",prnu:"Same Device PRNU Reference",heic:"HEIC Metadata Parser",
        vis:"Visualization",summary:"Analysis Summary",report:"Detailed Report",
        analyze:"Analyze",save:"Save Report (JSON)",export:"Export Current View (PNG)",reset:"Reset",
        runBurst:"Run Burst Comparison",buildRef:"Build PRNU Reference",prnuTest:"PRNU Match Test",parseHeic:"Parse HEIC Metadata",
        lang:"Language",chooseLang:"Choose Language",close:"Close",apply:"Apply",
        demoPhoto:"Demo Photo",demoComp:"Demo Composite",
        vOrig:"Original",vEla:"ELA",vGhost:"Ghost Sweep",vEdge:"Noise Residual",vClone:"Clone Suspicion",vFace:"Face/Deepfake",vCompare:"Burst Compare",vPrnu:"PRNU"
      },
      legend:{
        ela:"ELA: Recompression difference heatmap",
        ghost:"Ghost: Peak response across quality sweep",
        edge:"Noise Residual: Edges / erase traces",
        clone:"Clone Suspicion: Approximate grid overlay",
        face:"Face/Deepfake: Candidate boxes and scores",
        burst:"Burst: Inter-frame difference",
        prnu:"PRNU: Device fingerprint correlation"
      },
      legal:{
        d1:"<b>Disclaimer (prevention-first)</b> This tool is for preliminary screening to reduce the spread of false or manipulated images. Results are reference information only and are not legal conclusions or factual determinations. Please verify the original file and provenance separately. False positives or misses may occur depending on re-encoding, screenshots, resizing, or low-quality inputs. Responsibility for use remains with the user.",
        d2:"<b>Code Distribution Restriction</b> Unauthorized copying, modification, or redistribution of this page code and UI is prohibited.",
        d3:"<b>Copyright</b> © 2026 Happycode7. All rights reserved."
      },
      text:{
        ready:"Ready",saved:"Report saved",resetDone:"Reset complete",imgLoaded:"Image loaded",demoLoaded:"Demo image loaded",
        unsupported:"Only JPG/PNG/WebP/HEIC are supported.",openFail:"Cannot open image.",uploadFirst:"Please load an image first.",
        analyzing:"Analyzing…",analysisDone:"Analysis complete",analysisErr:"Analysis error: ",
        burstNeedTwo:"Please load both images.",burstDone:"Burst comparison complete",
        heicPick:"Select a HEIC file.",heicMetaOnly:"HEIC metadata parsed only",heicNeedJpeg:"If possible, upload the original JPEG as well.",
        noRef:"No reference built",refNeed3:"Please select at least 3 images.",refBuilding:"Extracting PRNU reference…",
        refDonePrefix:"Reference ready: ",refDoneSuffix:" images averaged",prnuNeed:"Both target image and reference fingerprint are required.",
        prnuDone:"PRNU global correlation complete",exportFail:"No view available to export.",pngFail:"PNG export failed",
        demoMode:"Demo mode: burst/PRNU auto-enabled",demoFail:"Demo generation failed",demoBurstFail:"Demo burst generation failed",
        filePrompt:"Please upload a file directly.",seqUnsupported:"Unsupported format.",seqHeicMeta:"Burst image: HEIC metadata only.",
        seqLoadFail:"Failed to load comparison image",refSelectPrefix:"Selected: ",refSelectSuffix:" image(s)",refNone:"No reference built",
        refDemoReady:"Reference ready: demo (1 image)",
        seqLoadedPrefix:"Loaded comparison: ",demoBurstLoadedPrefix:"Demo burst loaded: ",
        ghostPrefix:"Ghost sweep (Q): ",ghostJoin:" | ",
        qPrefix:"Q",pct:"%",facePrefix:"face",
        heicEmbeddedExifYes:"Yes",heicEmbeddedExifNo:"No",
        filePlus:" +"
      },
      report:{
        resultIdle:"Manipulation suspicion result —",nonphoto:"Not applicable (graphic/screenshot)",
        nonphotoDesc:"Photo-manipulation scoring is not applied.",lowquality:"Hard to verify (low quality / re-encoded)",
        lowqualityDesc:"Use original camera JPEG/HEIC with long side >= 1024px for better analysis.",
        scorePrefix:"Manipulation suspicion confidence: ",scoreMid:" • Score ",
        verdictHigh:"Multiple indicators are strong at the same time.",verdictMid:"Some indicators show suspicious signals.",verdictLow:"Few suspicious signals were observed."
      },
      labels:{
        imageSize:"Image Size",contentType:"Content Type",graphic:"Graphic / Screenshot",photo:"Photo",
        qa:"Quality Adequacy (QA)",elaHi:"ELA High-Brightness Ratio",ghostPeak:"Ghost (Peak Hi)",ghostConsistency:"Ghost Consistency",
        noiseResidual:"Noise Residual Index",clonePairs:"Clone-Suspicious Block Pairs",block8:"Blockiness 8",block16:"Blockiness 16",
        residualGini:"Residual Distribution Gini",exifSoftware:"EXIF.Software",exifModel:"EXIF.Model",exifDate:"EXIF.DateTimeOriginal",xmpTraces:"XMP / Tool Traces",
        heicBrand:"HEIC Brand",heicEmbeddedExif:"Embedded Exif",heicItemCount:"Item Count",
        lowAnomaly:"Low anomaly"
      },
      tagsText:{
        missingExifDate:"No EXIF original date",
        missingExifModel:"No EXIF model"
      }
    },
    ko:{
      ui:{
        title:"망태 아범 포렌식 스튜디오",badge:"연속컷 · PRNU · HEIC",
        subtitle:"유포 전에 의심 신호를 빠르게 점검합니다. 모든 처리는 브라우저 안에서만 수행됩니다.",
        notice:"이 도구는 1차 예방용 참고 지표를 제공합니다. 법적 판단이나 사실 확정 기능이 아닙니다. 원본 파일과 출처를 별도로 확인해 주세요.",
        dropLine:"이미지를 끌어놓거나 <b>파일 선택</b>을 누르세요.",
        pick:"파일 선택",pickB:"파일 선택",pickRef:"파일들 선택",pickHeic:"HEIC 선택",
        fileNone:"선택한 파일 없음",filesNone:"선택한 파일 없음",
        ext:"확장 기능",burst:"연속 컷 비교",prnu:"동일 단말 PRNU 참조",heic:"HEIC 메타 파서",
        vis:"시각화",summary:"분석 요약",report:"세부 리포트",
        analyze:"분석하기",save:"리포트 저장(JSON)",export:"현재 뷰 PNG 저장",reset:"초기화",
        runBurst:"연속 컷 비교 실행",buildRef:"PRNU 참조 생성",prnuTest:"PRNU 매칭",parseHeic:"HEIC 메타 파싱",
        lang:"언어",chooseLang:"언어 선택",close:"닫기",apply:"적용",
        demoPhoto:"샘플 사진",demoComp:"샘플 합성",
        vOrig:"원본",vEla:"ELA",vGhost:"고스트 스윕",vEdge:"노이즈 잔차",vClone:"복제 의심",vFace:"얼굴/딥페이크",vCompare:"연속컷 비교",vPrnu:"PRNU"
      },
      legend:{
        ela:"ELA: 재압축 차이 히트맵",
        ghost:"Ghost: 품질 스윕 구간 최대 반응",
        edge:"Noise Residual: 경계/지움 흔적",
        clone:"Clone Suspicion: 대략 격자 오버레이",
        face:"Face/Deepfake: 후보 박스와 점수",
        burst:"Burst: 프레임 간 차이",
        prnu:"PRNU: 기기 지문 상관"
      },
      legal:{
        d1:"<b>면책조항(1차 예방 목적)</b> 이 도구는 허위·합성 이미지의 유포를 막기 위한 사전 점검용입니다. 결과는 참고 정보이며 사실 확정이나 법적 판단이 아닙니다. 원본 파일과 출처 확인을 함께 진행해 주세요. 재저장·스크린샷·해상도 저하 등 조건에 따라 오탐·미검이 발생할 수 있으며, 사용 책임은 이용자에게 있습니다.",
        d2:"<b>코드 유포 금지</b> 본 페이지의 코드와 UI는 무단 복제·변형·재배포를 금합니다.",
        d3:"<b>저작권</b> © 2026 Happycode7. All rights reserved."
      },
      text:{
        ready:"준비됨",saved:"리포트를 저장했습니다",resetDone:"초기화 완료",imgLoaded:"이미지 로드 완료",demoLoaded:"샘플 이미지 로드 완료",
        unsupported:"JPG/PNG/WebP/HEIC만 지원합니다.",openFail:"이미지를 열 수 없습니다.",uploadFirst:"먼저 이미지를 불러오세요.",
        analyzing:"분석 중…",analysisDone:"분석 완료",analysisErr:"분석 중 오류: ",
        burstNeedTwo:"두 장 모두 불러와 주세요.",burstDone:"연속컷 비교 완료",
        heicPick:"HEIC 파일을 선택하세요.",heicMetaOnly:"HEIC 메타만 파싱됨",heicNeedJpeg:"가능하면 JPEG 원본도 함께 업로드해 주세요.",
        noRef:"참조 미생성",refNeed3:"3장 이상 선택해 주세요.",refBuilding:"PRNU 추출 중…",
        refDonePrefix:"참조 완료: ",refDoneSuffix:"장 평균 지문",prnuNeed:"분석 대상과 참조 지문이 필요합니다.",
        prnuDone:"PRNU 전역 상관 계산 완료",exportFail:"내보낼 뷰가 없습니다.",pngFail:"PNG 내보내기 실패",
        demoMode:"샘플 모드: 비교컷/PRNU 자동 활성화",demoFail:"샘플 생성 실패",demoBurstFail:"샘플 비교컷 생성 실패",
        filePrompt:"파일을 직접 올려주세요.",seqUnsupported:"지원 형식이 아닙니다.",seqHeicMeta:"비교컷: HEIC 메타만 참조됩니다.",
        seqLoadFail:"비교컷 로드 실패",refSelectPrefix:"선택됨: ",refSelectSuffix:"장",refNone:"참조 미생성",
        refDemoReady:"참조 완료: 샘플(1장)",seqLoadedPrefix:"비교컷 로드됨: ",demoBurstLoadedPrefix:"샘플 비교컷 로드됨: ",
        ghostPrefix:"고스트 스윕(Q): ",ghostJoin:" | ",
        qPrefix:"Q",pct:"%",facePrefix:"얼굴",
        heicEmbeddedExifYes:"예",heicEmbeddedExifNo:"아니오",
        filePlus:" +"
      },
      report:{
        resultIdle:"합성 의심 결과 —",nonphoto:"분석 대상 아님(그림/스크린샷)",
        nonphotoDesc:"사진 합성 지표는 적용하지 않습니다.",lowquality:"검증 어려움(저품질/재저장 가능)",
        lowqualityDesc:"긴 변 1024px 이상, 원본 촬영 파일(JPEG/HEIC)로 재분석 권장.",
        scorePrefix:"합성 의심 신뢰도: ",scoreMid:" • 점수 ",
        verdictHigh:"여러 지표가 동시에 강합니다.",verdictMid:"일부 지표에서 의심 신호가 있습니다.",verdictLow:"특이 신호가 적습니다."
      },
      labels:{
        imageSize:"이미지 크기",contentType:"콘텐츠 유형",graphic:"그림 / 스크린샷",photo:"사진",
        qa:"품질 적합도(QA)",elaHi:"ELA 고휘도 비율",ghostPeak:"고스트(최대 Hi)",ghostConsistency:"고스트 일관성",
        noiseResidual:"노이즈 잔차 지수",clonePairs:"복제 의심 블록 쌍",block8:"블록성 8",block16:"블록성 16",
        residualGini:"잔차 분포 지니계수",exifSoftware:"EXIF.소프트웨어",exifModel:"EXIF.기기 모델",exifDate:"EXIF.촬영시각",xmpTraces:"XMP / 도구 흔적",
        heicBrand:"HEIC 브랜드",heicEmbeddedExif:"내장 Exif",heicItemCount:"아이템 개수",
        lowAnomaly:"이상 신호 낮음"
      },
      tagsText:{
        missingExifDate:"EXIF 촬영시각 없음",
        missingExifModel:"EXIF 기기 모델 없음"
      }
    },
    ja:{
      ui:{
        title:"Mangtae Abum Forensic Studio",badge:"連写 · PRNU · HEIC",
        subtitle:"共有前に不審な画像シグナルを素早く確認します。処理はすべてブラウザ内で完結します。",
        notice:"本ツールは一次確認用の参考指標です。法的判断や事実認定を行うものではありません。元ファイルと出所を別途確認してください。",
        dropLine:"画像をドラッグ＆ドロップするか、<b>ファイル選択</b> をクリックしてください。",
        pick:"ファイル選択",pickB:"ファイル選択",pickRef:"複数ファイル選択",pickHeic:"HEIC選択",
        fileNone:"選択されたファイルなし",filesNone:"選択されたファイルなし",
        ext:"拡張機能",burst:"連写比較",prnu:"同一端末 PRNU 参照",heic:"HEIC メタデータ解析",
        vis:"可視化",summary:"分析サマリー",report:"詳細レポート",
        analyze:"分析",save:"レポート保存(JSON)",export:"現在ビューをPNG保存",reset:"リセット",
        runBurst:"連写比較を実行",buildRef:"PRNU参照を作成",prnuTest:"PRNU一致テスト",parseHeic:"HEICメタデータ解析",
        lang:"言語",chooseLang:"言語を選択",close:"閉じる",apply:"適用",
        demoPhoto:"サンプル写真",demoComp:"サンプル合成",
        vOrig:"原本",vEla:"ELA",vGhost:"ゴーストスイープ",vEdge:"ノイズ残差",vClone:"複製疑い",vFace:"顔/ディープフェイク",vCompare:"連写比較",vPrnu:"PRNU"
      },
      legend:{
        ela:"ELA: 再圧縮差分ヒートマップ",
        ghost:"Ghost: 品質スイープでの最大応答",
        edge:"Noise Residual: エッジ / 消去痕",
        clone:"Clone Suspicion: 近似グリッドオーバーレイ",
        face:"Face/Deepfake: 候補枠とスコア",
        burst:"Burst: フレーム間差分",
        prnu:"PRNU: 端末指紋相関"
      },
      legal:{
        d1:"<b>免責事項</b> 本ツールは拡散防止のための予備確認用です。結果は参考情報であり、法的結論や事実認定ではありません。",
        d2:"<b>コード配布制限</b> 無断複製・改変・再配布を禁じます。",
        d3:"<b>Copyright</b> © 2026 Happycode7. All rights reserved."
      },
      text:{
        ready:"準備完了",saved:"保存しました",resetDone:"リセット完了",imgLoaded:"画像を読み込みました",demoLoaded:"サンプル画像を読み込みました",
        unsupported:"対応形式: JPG/PNG/WebP/HEIC",openFail:"画像を開けません。",uploadFirst:"先に画像を読み込んでください。",
        analyzing:"分析中…",analysisDone:"分析完了",analysisErr:"分析エラー: ",
        burstNeedTwo:"2枚の画像を読み込んでください。",burstDone:"連写比較が完了しました",
        heicPick:"HEICファイルを選択してください。",heicMetaOnly:"HEICメタデータのみ解析",heicNeedJpeg:"可能なら元のJPEGもアップロードしてください。",
        noRef:"参照未作成",refNeed3:"3枚以上選択してください。",refBuilding:"PRNU参照を作成中…",
        refDonePrefix:"参照作成完了: ",refDoneSuffix:" 枚平均",prnuNeed:"対象画像と参照指紋が必要です。",
        prnuDone:"PRNU相関計算が完了しました",exportFail:"書き出せるビューがありません。",pngFail:"PNG書き出しに失敗しました",
        demoMode:"サンプルモード: 連写/PRNUを自動有効化",demoFail:"サンプル生成に失敗しました",demoBurstFail:"サンプル連写生成に失敗しました",
        filePrompt:"ファイルを直接アップロードしてください。",seqUnsupported:"未対応形式です。",seqHeicMeta:"連写画像: HEICメタデータのみ。",
        seqLoadFail:"比較画像の読み込みに失敗しました",refSelectPrefix:"選択済み: ",refSelectSuffix:" 枚",refNone:"参照未作成",
        refDemoReady:"参照作成完了: サンプル(1枚)",seqLoadedPrefix:"比較画像を読み込み: ",demoBurstLoadedPrefix:"サンプル連写を読み込み: ",
        ghostPrefix:"ゴーストスイープ(Q): ",ghostJoin:" | ",
        qPrefix:"Q",pct:"%",facePrefix:"顔",
        heicEmbeddedExifYes:"はい",heicEmbeddedExifNo:"いいえ",
        filePlus:" +"
      },
      report:{
        resultIdle:"改変疑い結果 —",nonphoto:"対象外（図・スクリーンショット）",nonphotoDesc:"写真改変スコアは適用しません。",
        lowquality:"検証困難（低品質 / 再保存）",lowqualityDesc:"長辺1024px以上の元JPEG/HEICで再解析してください。",
        scorePrefix:"改変疑い信頼度: ",scoreMid:" • スコア ",
        verdictHigh:"複数の指標が同時に強く反応しています。",verdictMid:"一部の指標で疑わしいシグナルがあります。",verdictLow:"目立つ疑わしいシグナルは少ないです。"
      },
      labels:{
        imageSize:"画像サイズ",contentType:"コンテンツ種別",graphic:"図 / スクリーンショット",photo:"写真",
        qa:"品質適合度(QA)",elaHi:"ELA高輝度比率",ghostPeak:"Ghost（最大Hi）",ghostConsistency:"Ghost一貫性",
        noiseResidual:"ノイズ残差指標",clonePairs:"複製疑いブロック対",block8:"ブロッキネス 8",block16:"ブロッキネス 16",
        residualGini:"残差分布ジニ係数",exifSoftware:"EXIF.ソフトウェア",exifModel:"EXIF.機種",exifDate:"EXIF.撮影日時",xmpTraces:"XMP / ツール痕跡",
        heicBrand:"HEICブランド",heicEmbeddedExif:"内蔵Exif",heicItemCount:"アイテム数",
        lowAnomaly:"異常信号は少ない"
      },
      tagsText:{
        missingExifDate:"EXIF撮影日時なし",
        missingExifModel:"EXIF機種情報なし"
      }
    },
    zh:{
      ui:{
        title:"Mangtae Abum Forensic Studio",badge:"连拍 · PRNU · HEIC",
        subtitle:"在分享前快速初筛可疑图像信号。所有处理仅在浏览器内完成。",
        notice:"本工具仅提供初步参考指标，不构成法律判断或事实认定。请另行核验原始文件与来源。",
        dropLine:"将图片拖拽到此处，或点击 <b>选择文件</b>。",
        pick:"选择文件",pickB:"选择文件",pickRef:"选择多个文件",pickHeic:"选择HEIC",
        fileNone:"未选择文件",filesNone:"未选择文件",
        ext:"扩展功能",burst:"连拍对比",prnu:"同设备 PRNU 参考",heic:"HEIC 元数据解析",
        vis:"可视化",summary:"分析摘要",report:"详细报告",
        analyze:"分析",save:"保存报告(JSON)",export:"导出当前视图(PNG)",reset:"重置",
        runBurst:"执行连拍对比",buildRef:"构建PRNU参考",prnuTest:"PRNU匹配测试",parseHeic:"解析HEIC元数据",
        lang:"语言",chooseLang:"选择语言",close:"关闭",apply:"应用",
        demoPhoto:"示例照片",demoComp:"示例合成",
        vOrig:"原图",vEla:"ELA",vGhost:"Ghost扫描",vEdge:"噪声残差",vClone:"复制疑点",vFace:"人脸/深伪",vCompare:"连拍对比",vPrnu:"PRNU"
      },
      legend:{
        ela:"ELA：重压缩差异热图",
        ghost:"Ghost：质量扫描中的峰值响应",
        edge:"Noise Residual：边缘 / 擦除痕迹",
        clone:"Clone Suspicion：近似网格叠加",
        face:"Face/Deepfake：候选框与分数",
        burst:"Burst：帧间差异",
        prnu:"PRNU：设备指纹相关性"
      },
      legal:{
        d1:"<b>免责声明</b> 本工具用于传播前的初步筛查，结果仅供参考，不构成法律结论或事实认定。",
        d2:"<b>代码分发限制</b> 禁止未经授权的复制、修改或再分发。",
        d3:"<b>Copyright</b> © 2026 Happycode7. All rights reserved."
      },
      text:{
        ready:"就绪",saved:"已保存",resetDone:"重置完成",imgLoaded:"图片已加载",demoLoaded:"示例图片已加载",
        unsupported:"支持格式：JPG/PNG/WebP/HEIC",openFail:"无法打开图片。",uploadFirst:"请先加载图片。",
        analyzing:"分析中…",analysisDone:"分析完成",analysisErr:"分析错误：",
        burstNeedTwo:"请加载两张图片。",burstDone:"连拍对比完成",
        heicPick:"请选择 HEIC 文件。",heicMetaOnly:"仅解析了HEIC元数据",heicNeedJpeg:"如可行，请同时上传原始JPEG。",
        noRef:"未构建参考",refNeed3:"请至少选择3张图片。",refBuilding:"正在提取PRNU参考…",
        refDonePrefix:"参考已就绪：",refDoneSuffix:" 张平均",prnuNeed:"需要目标图片和参考指纹。",
        prnuDone:"PRNU全局相关计算完成",exportFail:"没有可导出的视图。",pngFail:"PNG导出失败",
        demoMode:"示例模式：自动启用连拍/PRNU",demoFail:"示例生成失败",demoBurstFail:"示例连拍生成失败",
        filePrompt:"请直接上传文件。",seqUnsupported:"不支持的格式。",seqHeicMeta:"连拍图像：仅HEIC元数据。",
        seqLoadFail:"加载对比图片失败",refSelectPrefix:"已选择：",refSelectSuffix:" 张",refNone:"未构建参考",
        refDemoReady:"参考已就绪：示例(1张)",seqLoadedPrefix:"对比图片已加载：",demoBurstLoadedPrefix:"示例连拍已加载：",
        ghostPrefix:"Ghost扫描(Q)：",ghostJoin:" | ",
        qPrefix:"Q",pct:"%",facePrefix:"人脸",
        heicEmbeddedExifYes:"是",heicEmbeddedExifNo:"否",
        filePlus:" +"
      },
      report:{
        resultIdle:"合成疑点结果 —",nonphoto:"不适用（图形/截图）",nonphotoDesc:"不应用照片合成评分。",
        lowquality:"难以验证（低质量 / 再压缩）",lowqualityDesc:"建议使用长边≥1024px的原始JPEG/HEIC重新分析。",
        scorePrefix:"合成疑点置信度：",scoreMid:" • 分数 ",
        verdictHigh:"多个指标同时显示较强异常。",verdictMid:"部分指标显示可疑信号。",verdictLow:"明显可疑信号较少。"
      },
      labels:{
        imageSize:"图像尺寸",contentType:"内容类型",graphic:"图形 / 截图",photo:"照片",
        qa:"质量适配度(QA)",elaHi:"ELA高亮比例",ghostPeak:"Ghost（峰值Hi）",ghostConsistency:"Ghost一致性",
        noiseResidual:"噪声残差指数",clonePairs:"复制疑点块对数",block8:"块效应 8",block16:"块效应 16",
        residualGini:"残差分布基尼系数",exifSoftware:"EXIF.软件",exifModel:"EXIF.设备型号",exifDate:"EXIF.拍摄时间",xmpTraces:"XMP / 工具痕迹",
        heicBrand:"HEIC 品牌",heicEmbeddedExif:"内嵌Exif",heicItemCount:"项目数量",
        lowAnomaly:"异常信号较少"
      },
      tagsText:{
        missingExifDate:"缺少EXIF拍摄时间",
        missingExifModel:"缺少EXIF设备型号"
      }
    },
    es:{
      ui:{
        title:"Mangtae Abum Forensic Studio",badge:"Ráfaga · PRNU · HEIC",
        subtitle:"Evalúa señales sospechosas de imagen antes de compartir. Todo el procesamiento ocurre solo en tu navegador.",
        notice:"Esta herramienta ofrece indicadores preliminares y no determina hechos ni conclusiones legales. Verifica el archivo original y su procedencia por separado.",
        dropLine:"Arrastra una imagen aquí o haz clic en <b>Seleccionar archivo</b>.",
        pick:"Seleccionar archivo",pickB:"Seleccionar archivo",pickRef:"Seleccionar archivos",pickHeic:"Seleccionar HEIC",
        fileNone:"Ningún archivo seleccionado",filesNone:"Ningún archivo seleccionado",
        ext:"Funciones extendidas",burst:"Comparación de ráfaga",prnu:"Referencia PRNU del mismo dispositivo",heic:"Analizador de metadatos HEIC",
        vis:"Visualización",summary:"Resumen del análisis",report:"Reporte detallado",
        analyze:"Analizar",save:"Guardar reporte (JSON)",export:"Exportar vista actual (PNG)",reset:"Restablecer",
        runBurst:"Ejecutar comparación de ráfaga",buildRef:"Crear referencia PRNU",prnuTest:"Prueba de coincidencia PRNU",parseHeic:"Analizar metadatos HEIC",
        lang:"Idioma",chooseLang:"Elegir idioma",close:"Cerrar",apply:"Aplicar",
        demoPhoto:"Foto demo",demoComp:"Composición demo",
        vOrig:"Original",vEla:"ELA",vGhost:"Barrido Ghost",vEdge:"Residuo de ruido",vClone:"Sospecha de clonación",vFace:"Rostro/Deepfake",vCompare:"Comparar ráfaga",vPrnu:"PRNU"
      },
      legend:{
        ela:"ELA: mapa de calor de diferencia por recompresión",
        ghost:"Ghost: respuesta pico en barrido de calidad",
        edge:"Noise Residual: bordes / rastros de borrado",
        clone:"Clone Suspicion: superposición de rejilla aproximada",
        face:"Face/Deepfake: cuadros candidatos y puntajes",
        burst:"Burst: diferencia entre fotogramas",
        prnu:"PRNU: correlación de huella del dispositivo"
      },
      legal:{
        d1:"<b>Aviso legal</b> Esta herramienta es para revisión preliminar. Los resultados son informativos y no constituyen conclusiones legales ni determinaciones fácticas.",
        d2:"<b>Restricción de distribución de código</b> Se prohíbe copiar, modificar o redistribuir sin autorización.",
        d3:"<b>Copyright</b> © 2026 Happycode7. All rights reserved."
      },
      text:{
        ready:"Listo",saved:"Reporte guardado",resetDone:"Restablecimiento completo",imgLoaded:"Imagen cargada",demoLoaded:"Imagen demo cargada",
        unsupported:"Solo se admiten JPG/PNG/WebP/HEIC.",openFail:"No se puede abrir la imagen.",uploadFirst:"Primero carga una imagen.",
        analyzing:"Analizando…",analysisDone:"Análisis completo",analysisErr:"Error de análisis: ",
        burstNeedTwo:"Carga ambas imágenes.",burstDone:"Comparación de ráfaga completada",
        heicPick:"Selecciona un archivo HEIC.",heicMetaOnly:"Solo se analizaron metadatos HEIC",heicNeedJpeg:"Si es posible, sube también el JPEG original.",
        noRef:"Sin referencia creada",refNeed3:"Selecciona al menos 3 imágenes.",refBuilding:"Extrayendo referencia PRNU…",
        refDonePrefix:"Referencia lista: ",refDoneSuffix:" imágenes promediadas",prnuNeed:"Se requieren imagen objetivo y huella de referencia.",
        prnuDone:"Correlación PRNU global completada",exportFail:"No hay vista para exportar.",pngFail:"Error al exportar PNG",
        demoMode:"Modo demo: ráfaga/PRNU activados automáticamente",demoFail:"Error al generar demo",demoBurstFail:"Error al generar ráfaga demo",
        filePrompt:"Sube un archivo directamente.",seqUnsupported:"Formato no compatible.",seqHeicMeta:"Imagen de ráfaga: solo metadatos HEIC.",
        seqLoadFail:"No se pudo cargar la imagen de comparación",refSelectPrefix:"Seleccionado(s): ",refSelectSuffix:" imagen(es)",refNone:"Sin referencia creada",
        refDemoReady:"Referencia lista: demo (1 imagen)",seqLoadedPrefix:"Comparación cargada: ",demoBurstLoadedPrefix:"Ráfaga demo cargada: ",
        ghostPrefix:"Barrido Ghost (Q): ",ghostJoin:" | ",
        qPrefix:"Q",pct:"%",facePrefix:"rostro",
        heicEmbeddedExifYes:"Sí",heicEmbeddedExifNo:"No",
        filePlus:" +"
      },
      report:{
        resultIdle:"Resultado de sospecha de manipulación —",nonphoto:"No aplicable (gráfico/captura)",nonphotoDesc:"No se aplica puntuación de manipulación fotográfica.",
        lowquality:"Difícil de verificar (baja calidad / reexportada)",lowqualityDesc:"Usa JPEG/HEIC original con lado largo >= 1024 px para mejor análisis.",
        scorePrefix:"Confianza de sospecha de manipulación: ",scoreMid:" • Puntuación ",
        verdictHigh:"Múltiples indicadores son fuertes al mismo tiempo.",verdictMid:"Algunos indicadores muestran señales sospechosas.",verdictLow:"Se observaron pocas señales sospechosas."
      },
      labels:{
        imageSize:"Tamaño de imagen",contentType:"Tipo de contenido",graphic:"Gráfico / Captura",photo:"Foto",
        qa:"Adecuación de calidad (QA)",elaHi:"Proporción alta de ELA",ghostPeak:"Ghost (pico Hi)",ghostConsistency:"Consistencia Ghost",
        noiseResidual:"Índice de residuo de ruido",clonePairs:"Pares sospechosos de clonación",block8:"Bloqueo 8",block16:"Bloqueo 16",
        residualGini:"Gini de distribución residual",exifSoftware:"EXIF.Software",exifModel:"EXIF.Model",exifDate:"EXIF.Fecha original",xmpTraces:"XMP / rastros de herramienta",
        heicBrand:"Marca HEIC",heicEmbeddedExif:"Exif incrustado",heicItemCount:"Cantidad de ítems",
        lowAnomaly:"Baja anomalía"
      },
      tagsText:{
        missingExifDate:"Sin fecha EXIF original",
        missingExifModel:"Sin modelo EXIF"
      }
    }
  };

var drop=_$("#mt-drop"),fileInput=_$("#mt-file"),fileInputB=_$("#mt-fileB"),heicInput=_$("#mt-heic"),heicParseBtn=_$("#mt-heicParse"),heicOut=_$("#mt-heicOut");
  var analyzeBtn=_$("#mt-analyze"),saveBtn=_$("#mt-save"),exportBtn=_$("#mt-export"),resetBtn=_$("#mt-reset"),compareBtn=_$("#mt-compare"),buildRefBtn=_$("#mt-buildRef"),refFiles=_$("#mt-refFiles"),prnuTestBtn=_$("#mt-prnuTest"),seqInfo=_$("#mt-seqInfo"),refStat=_$("#mt-refStat"),prnuStats=_$("#mt-prnuStats");
  var kv=_$("#mt-kv"),tags=_$("#mt-tags"),scoreEl=_$("#mt-score"),verdict=_$("#mt-verdict"),reportEl=_$("#mt-report"),ghostStats=_$("#mt-ghostStats"),toast=_$("#mt-toast");
  var cOrig=_$("#mt-c-orig"),cEla=_$("#mt-c-ela"),cGhost=_$("#mt-c-ghost"),cEdge=_$("#mt-c-edge"),cClone=_$("#mt-c-clone"),cFace=_$("#mt-c-face"),cCompare=_$("#mt-c-compare"),cPrnu=_$("#mt-c-prnu");
  var langModal=_$("#mt-lang-modal"),langOpen=_$("#mt-lang-open"),langClose=_$("#mt-lang-close"),langApply=_$("#mt-lang-apply");
  var fileStatus=_$("#mt-file-status"),fileBStatus=_$("#mt-fileB-status"),refFilesStatus=_$("#mt-refFiles-status"),heicStatus=_$("#mt-heic-status");

function refreshSummaryUIIfExists(){
    if(state && (state.report || state.w || state.h || state.heicMeta)) {
      try{ summarize(); }catch(_){}
    }
  }

async function parseExifJPEG(file){
    var buf=await file.arrayBuffer().catch(function(){return null}); if(!buf) return {exif:{},xmpHits:[],buf:null};
    var v=new DataView(buf), exif={}, xmpHits=[], p=2;
    function readStr(off,len){var s="";for(var i=0;i<len;i++){var c=v.getUint8(off+i);if(c===0)break;s+=String.fromCharCode(c)}return s}
    while(p+4<v.byteLength){
      if(v.getUint8(p)!==255)break;
      var marker=v.getUint8(p+1), size=v.getUint16(p+2); if(!size) break;
      if(marker===225){
        var hdr=readStr(p+4,4);
        if(hdr==="Exif"){
          var tiff=p+10,le=(v.getUint16(tiff)===18761),U16=function(o){return v.getUint16(o,le)},U32=function(o){return v.getUint32(o,le)};
          var ifd0=tiff+U32(tiff+4);
          function readIFD(off,col){
            if(off<=0||off>=v.byteLength-2) return;
            var cnt=U16(off);
            for(var i=0;i<cnt;i++){
              var ent=off+2+i*12;
              if(ent+12>v.byteLength)break;
              var tag=U16(ent),type=U16(ent+2),count=U32(ent+4),valOff=ent+8;
              var unit=type===2?1:(type===3?2:(type===4?4:1)); var ptr=count*unit>4? tiff+U32(valOff):valOff;
              function gstr(){var s="";for(var k=0;k<count;k++){var c=v.getUint8(ptr+k);if(c===0)break;s+=String.fromCharCode(c)}return s}
              if(tag===271) col.Make=gstr();
              if(tag===272) col.Model=gstr();
              if(tag===305) col.Software=gstr();
              if(tag===306) col.ModifyDate=gstr();
              if(tag===34665){
                var exifIfd=tiff+U32(valOff); if(exifIfd<=0||exifIfd>=v.byteLength-2) continue; var n=U16(exifIfd);
                for(var j=0;j<n;j++){
                  var e2=exifIfd+2+j*12; if(e2+12>v.byteLength) break;
                  var t2=U16(e2),ty2=U16(e2+2),c2=U32(e2+4),vp2=e2+8;
                  var u2=ty2===2?1:(ty2===3?2:(ty2===4?4:1)); var p2=c2*u2>4? tiff+U32(vp2):vp2;
                  function s2(){var s="";for(var k=0;k<c2;k++){var c=v.getUint8(p2+k);if(c===0)break;s+=String.fromCharCode(c)}return s}
                  if(t2===36867) col.DateTimeOriginal=s2();
                  if(t2===34855) col.ISO=s2();
                }
              }
            }
          }
          readIFD(ifd0,exif);
        }else{
          var seg=readStr(p+4,Math.min(size-2,4096)).toLowerCase();
          TOKENS.forEach(function(t){ if(seg.indexOf(t)>-1) xmpHits.push(t) });
        }
      }
      p+=2+size;
    }
    return {exif:exif,xmpHits:xmpHits,buf:v};
  }

async function parseHEIC(file){
    var buf=await file.arrayBuffer().catch(function(){return null}); if(!buf) return null;
    var dv=new DataView(buf);
    function get4(o){return String.fromCharCode(dv.getUint8(o),dv.getUint8(o+1),dv.getUint8(o+2),dv.getUint8(o+3))}
    var p=0,brand="",hasExif=false,items=0,safe=0;
    while(p+8<=dv.byteLength && safe++<100000){
      var size=dv.getUint32(p); if(size<8) break;
      var type=get4(p+4);
      if(type==="ftyp"){brand=get4(p+8)}
      if(type==="meta"){
        var metaEnd=p+size, q=p+12, guard=0;
        while(q+8<=metaEnd && guard++<10000){
          var sz=dv.getUint32(q),tp=get4(q+4); if(sz<8) break;
          if(tp==="Exif") hasExif=true;
          q+=sz;
        }
      }
      p+=size;
    }
    p=0;var guard2=0;
    while(p+8<=dv.byteLength && guard2++<100000){
      var size2=dv.getUint32(p), type2=get4(p+4); if(size2<8) break;
      if(type2==="infe") items++;
      p+=size2;
    }
    return {brand:brand,hasExif:hasExif,items:items};
  }

async function faceDeepfakeHeuristics(fRect){
    var faceC=cropCanvas(cOrig,fRect), pad=Math.round(Math.max(16,Math.min(fRect.width,fRect.height)*0.2));
    var bgRect={x:Math.max(0,fRect.x-pad),y:Math.max(0,fRect.y-pad),width:Math.min(cOrig.width,fRect.width+pad*2),height:Math.min(cOrig.height,fRect.height+pad*2)};
    var bgC=cropCanvas(cOrig,bgRect);
    var elaF=await ela(faceC,0.9,18), ghostF=await ghostSweep(faceC,[60,70,80,90,95],22);
    var elaB=await ela(bgC,0.9,18), ghostB=await ghostSweep(bgC,[60,70,80,90,95],22);
    var elaDiff=(elaF.hi*100)-(elaB.hi*100), ghostHiF=Math.max.apply(null,ghostF.stats.map(function(s){return +s.hi||0})), ghostHiB=Math.max.apply(null,ghostB.stats.map(function(s){return +s.hi||0})), ghostDiff=ghostHiF-ghostHiB;
    var sharpF=lapVar(faceC), sharpB=lapVar(bgC), sharpRatio=sharpB? sharpF/sharpB:1, ge2=gridEnergy2(faceC);
    var frgb=meanRGB(faceC), brgb=meanRGB(bgC), fhsv=rgb2hsv(frgb), bhsv=rgb2hsv(brgb);
    var toneDiff=Math.abs(fhsv[0]-bhsv[0])+Math.abs(fhsv[1]-bhsv[1])*0.6+Math.abs(fhsv[2]-bhsv[2])*0.2;
    var seamTh=4, ring={t:seamTh,l:seamTh,b:faceC.height-seamTh-1,r:faceC.width-seamTh-1,th:seamTh};
    var ring1=ringMean(faceC,ring), ring2=ringMean(bgC,{t:0,l:0,b:bgC.height-1,r:bgC.width-1,th:seamTh});
    var seam=Math.hypot(ring1[0]-ring2[0],ring1[1]-ring2[1],ring1[2]-ring2[2])/255*100;
    var score=0;
    if(ghostDiff>1.8)score+=18;
    if(elaDiff>2.2)score+=12;
    if(seam>12)score+=22;
    if(sharpRatio>1.9||sharpRatio<0.55)score+=14;
    if(ge2>=48)score+=10;
    if(toneDiff>=35)score+=14;
    score=Math.min(100,Math.round(score));
    var label=score>=70?"High":score>=45?"Medium":score>=25?"Low":"Minimal";
    return {rect:fRect,score:score,label:label};
  }

function computeQA(){
    var qa=0,minSide=Math.min(state.w,state.h);
    qa+=Math.max(0,Math.min(50,(minSide/1024)*50));
    qa+= state.exif.DateTimeOriginal ? 18 : 0;
    qa+= state.exif.Model ? 12 : 0;
    var blk=(state.block8+state.block16)/2;
    qa+=Math.max(0,18 - Math.max(0,(blk-0.12))*120);
    if(state.contentType==="graphic") qa=Math.min(qa,30);
    state.qa=Math.round(qa);
    if(state.contentType==="graphic") state.gate="nonphoto";
    else if(state.qa<60) state.gate="lowquality";
    else state.gate="ok";
  }

function rowKV(k,v){var a=document.createElement("div");a.textContent=k;var b=document.createElement("div");b.textContent=v;kv.appendChild(a);kv.appendChild(b)}

function summarize(){
    kv.innerHTML=""; tags.innerHTML="";
    var elaPct=(state.ela&&state.ela.hi||0)*100;
    var ghostHi=(state.ghost&&state.ghost.stats||[]).reduce(function(m,s){return Math.max(m,(+s.hi||0))},0);
    var ghostCons=state.ghost&&state.ghost.consistency||0;
    var noisePct=(state.edge&&state.edge.mean||0)*100;

rowKV(L("imageSize"),state.w+" × "+state.h);
    rowKV(L("contentType"),state.contentType==="graphic"?L("graphic"):L("photo"));
    rowKV(L("qa"),state.qa+"/100");
    rowKV(L("elaHi"),elaPct.toFixed(2)+T("text.pct"));
    rowKV(L("ghostPeak"),ghostHi.toFixed(2)+T("text.pct"));
    rowKV(L("ghostConsistency"),ghostCons.toFixed(2));
    rowKV(L("noiseResidual"),noisePct.toFixed(2)+T("text.pct"));
    rowKV(L("clonePairs"),String(state.clonePairs));
    rowKV(L("block8"),(state.block8*100).toFixed(2)+T("text.pct"));
    rowKV(L("block16"),(state.block16*100).toFixed(2)+T("text.pct"));
    rowKV(L("residualGini"),state.resGini.toFixed(3));
    rowKV(L("exifSoftware"),state.exif.Software||"-");
    rowKV(L("exifModel"),state.exif.Model||"-");
    rowKV(L("exifDate"),state.exif.DateTimeOriginal||"-");

var xmpList=(state.xmpHits||[]).filter(function(v,i,arr){return arr.indexOf(v)===i});
    rowKV(L("xmpTraces"),xmpList.length?xmpList.join(", "):"-");

var tagList=[];
    if(state.gate==="nonphoto") tagList.push(L("graphic"));
    if(state.gate==="lowquality") tagList.push(T("report.lowquality"));
    if(!state.exif.DateTimeOriginal) tagList.push(TT("missingExifDate"));
    if(!state.exif.Model) tagList.push(TT("missingExifModel"));
    if(xmpList.length) tagList.push(L("xmpTraces"));
    if(elaPct>=2.5) tagList.push(L("elaHi"));
    if(ghostHi>=2.8) tagList.push(L("ghostPeak"));
    if(noisePct>=12) tagList.push(L("noiseResidual"));
    if(state.clonePairs>=4 && Math.min(state.w,state.h)>=600) tagList.push(L("clonePairs"));
    if(state.block8>=0.16) tagList.push(L("block8"));
    if(state.block16>=0.12) tagList.push(L("block16"));
    if(state.resGini>=0.26) tagList.push(L("residualGini"));
    if(tagList.length===0) tagList.push(L("lowAnomaly"));
    tagList.forEach(function(x){var s=document.createElement("span");s.className="tag";s.textContent=x;tags.appendChild(s)});

if(state.gate==="nonphoto"){
      scoreEl.textContent=T("report.nonphoto");
      verdict.textContent=T("report.nonphotoDesc");
      state.report={mode:"nonphoto",xmp:xmpList,exif:state.exif};
      reportEl.textContent=JSON.stringify(state.report,null,2);
      return;
    }
    if(state.gate==="lowquality"){
      scoreEl.textContent=T("report.lowquality");
      verdict.textContent=T("report.lowqualityDesc");
      state.report={mode:"lowquality",xmp:xmpList,exif:state.exif};
      reportEl.textContent=JSON.stringify(state.report,null,2);
      return;
    }

var score=0,hits=0;
    function add(c,p){if(c){score+=p;hits++}}
    add(elaPct>=3,14); add(ghostHi>=3.5,16); add(ghostCons>=1.8,8); add(noisePct>=14,12);
    add(state.clonePairs>=4,16); add(state.block8>=0.16,10); add(state.block16>=0.12,10); add(state.resGini>=0.26,12);

var conf=(hits>=2&&score>=65)?"High":(hits>=1&&score>=40)?"Medium":"Low";
    state.score=Math.max(0,Math.min(100,Math.round(score)));
    state.conf=conf;
    scoreEl.textContent=T("report.scorePrefix")+conf+T("report.scoreMid")+state.score+"/100";
    verdict.textContent=conf==="High"?T("report.verdictHigh"):(conf==="Medium"?T("report.verdictMid"):T("report.verdictLow"));

state.report={
      score:state.score,confidence:state.conf,exif:state.exif,xmp_traces:xmpList,
      metrics:{
        ela_hi_pct:+elaPct.toFixed(2),ghost_peak_hi_pct:+ghostHi.toFixed(2),ghost_consistency:+ghostCons.toFixed(2),
        noise_residual_pct:+noisePct.toFixed(2),clone_pairs:state.clonePairs,blockiness8:+(state.block8*100).toFixed(2),
        blockiness16:+(state.block16*100).toFixed(2),residual_gini:+state.resGini.toFixed(3)
      },
      qa:state.qa,gate:state.gate,content_type:state.contentType
    };
    reportEl.textContent=JSON.stringify(state.report,null,2);
  }

async function handleHEICPreviewAndMeta(file){
    state.heicMeta=null; state.img=null; state.w=0; state.h=0;
    [cOrig,cEla,cGhost,cEdge,cClone,cFace,cCompare,cPrnu].forEach(function(c){if(c){c.width=0;c.height=0}});
    var meta=await parseHEIC(file).catch(function(){return null});
    state.heicMeta=meta;
    kv.innerHTML="";
    rowKV(L("heicBrand"),(meta&&meta.brand)||"-");
    rowKV(L("heicEmbeddedExif"),(meta&&meta.hasExif)?T("text.heicEmbeddedExifYes"):T("text.heicEmbeddedExifNo"));
    rowKV(L("heicItemCount"),String((meta&&meta.items)||0));
    scoreEl.textContent=T("text.heicMetaOnly");
    verdict.textContent=T("text.heicNeedJpeg");
    state.report={mode:"heic_meta_only",heic:meta};
    reportEl.textContent=JSON.stringify(state.report,null,2);
    analyzeBtn.disabled=true; saveBtn.disabled=false; exportBtn.disabled=true; compareBtn.disabled=true;
  }

function createDemo(type){
    demoMode=true; pendingDemoB=null;
    var w=900,h=600,base=document.createElement("canvas"); base.width=w;base.height=h;
    var ctx=base.getContext("2d");
    ctx.fillStyle=type==="real"?"#cde1ff":"#c7d2fe"; ctx.fillRect(0,0,w,h);
    ctx.fillStyle=type==="real"?"#1f2937":"#111827"; ctx.font="46px sans-serif";
    ctx.fillText(type==="real"?"Demo Photo-like":"Demo Composite",type==="real"?260:250,320);
    ctx.globalAlpha=.12; ctx.fillRect(80,90,140,80); ctx.fillRect(650,420,120,90); ctx.globalAlpha=1;

var comp=document.createElement("canvas"); comp.width=w; comp.height=h; var c2=comp.getContext("2d");
    c2.drawImage(base,0,0);
    c2.globalAlpha=.18; c2.translate(8,4); c2.rotate(-1*Math.PI/180); c2.fillStyle="#000"; c2.fillRect(200,140,220,120); c2.globalAlpha=1; c2.setTransform(1,0,0,1,0,0);
    c2.lineWidth=4; c2.strokeStyle="#334155"; c2.strokeRect(120,100,200,130);

base.toBlob(function(bA){
      if(!bA){notify(T("text.demoFail"));return}
      comp.toBlob(function(bB){
        if(!bB){notify(T("text.demoBurstFail"));return}
        pendingDemoB=bB;
        setFileFromBlob(bA,(type||"real")+".jpg");
        notify(T("text.demoMode"));
      },"image/jpeg",0.92);
    },"image/jpeg",0.92);
  }

function buildDummyPRNUFromCurrent(){
    if(!state.img) return;
    var s=fit(state.img.naturalWidth||state.w,state.img.naturalHeight||state.h,720,720);
    var c=document.createElement("canvas"); c.width=s.w; c.height=s.h; c.getContext("2d").drawImage(state.img,0,0,s.w,s.h);
    var id=c.getContext("2d").getImageData(0,0,c.width,c.height).data;
    toGrayInPlace(id);
    var blur=blur3Gray(id,c.width,c.height);
    var res=new Float32Array(id.length/4);
    for(var i=0,j=0;i<id.length;i+=4,j++) res[j]=id[i]-blur[i];
    var m=0; for(var q=0;q<res.length;q++) m+=res[q]; m/=res.length; for(var k=0;k<res.length;k++) res[k]-=m;
    state.ref.fingerprint=res; state.ref.side={w:c.width,h:c.height};
    prnuStats.textContent="Demo PRNU reference ready";
    refStat.textContent=T("text.refDemoReady");
    prnuTestBtn.disabled=false; buildRefBtn.disabled=false;
  }

var demoRealBtn=_$("#mt-demo-real"), demoAIBtn=_$("#mt-demo-ai");
  if(demoRealBtn) demoRealBtn.addEventListener("click",function(){createDemo("real")});
  if(demoAIBtn) demoAIBtn.addEventListener("click",function(){createDemo("ai")});

analyzeBtn&&analyzeBtn.addEventListener("click",async function(){
    try{
      if(!state.img){notify(T("text.uploadFirst")); return}
      analyzeBtn.textContent=T("text.analyzing"); analyzeBtn.disabled=true;
      drawImageToCanvas(state.img,cOrig);

var elaRes=await ela(cOrig,0.9,18);
      cEla.width=cOrig.width; cEla.height=cOrig.height; cEla.getContext("2d").putImageData(elaRes.imgd,0,0);
      state.ela={avg:elaRes.avg,hi:elaRes.hi};

var gRes=await ghostSweep(cOrig,[50,60,70,80,90,95],22);
      cGhost.width=cOrig.width; cGhost.height=cOrig.height; cGhost.getContext("2d").putImageData(gRes.maxMap,0,0);
      state.ghost={stats:gRes.stats,consistency:gRes.consistency};
      ghostStats.textContent=T("text.ghostPrefix")+gRes.stats.map(function(s){return (T("text.qPrefix")||"Q")+s.q+" "+s.hi+(T("text.pct")||"%")}).join(T("text.ghostJoin")||" | ");

var edgeRes=highpass(cOrig);
      cEdge.width=cOrig.width; cEdge.height=cOrig.height; cEdge.getContext("2d").putImageData(edgeRes.imgd,0,0);
      state.edge={mean:edgeRes.mean};

state.block8=blockiness(cOrig,8);
      state.block16=blockiness(cOrig,16);

cClone.width=cloneRes.overlay.width; cClone.height=cloneRes.overlay.height; cClone.getContext("2d").drawImage(cloneRes.overlay,0,0);
      state.clonePairs=cloneRes.pairs;
      state.resGini=residualGini(cOrig);
      state.flatRatio=flatPixelRatio(cOrig);
      state.paletteBins=colorBins16(cOrig,2);
      state.contentType=(state.resGini<0.08&&(state.flatRatio>0.45||state.paletteBins<800))?"graphic":"photo";

state.faces=findFaces(cOrig);
      cFace.width=cOrig.width; cFace.height=cOrig.height;
      var fx=cFace.getContext("2d");
      fx.drawImage(cOrig,0,0);
      fx.lineWidth=3; fx.font="14px sans-serif";
      for(var i=0;i<state.faces.length;i++){
        var f=state.faces[i], r=await faceDeepfakeHeuristics(f);
        fx.strokeStyle=r.score>=70?"rgba(239,68,68,.95)":(r.score>=45?"rgba(245,158,11,.95)":"rgba(16,185,129,.95)");
        fx.strokeRect(f.x,f.y,f.width,f.height);
        var cap=(T("text.facePrefix")||"face")+(i+1)+" "+r.label+" "+r.score, tw=fx.measureText(cap).width+10;
        fx.fillStyle="rgba(17,24,39,.85)";
        fx.fillRect(f.x,Math.max(0,f.y-20),tw,18);
        fx.fillStyle="#fff";
        fx.fillText(cap,f.x+5,Math.max(12,f.y-6));
      }

computeQA();
      summarize();
      saveBtn.disabled=false; exportBtn.disabled=false; compareBtn.disabled=!(state.img&&state.imgB);
      if(demoMode&&state.ref.fingerprint) prnuTestBtn.disabled=false;
      notify(T("text.analysisDone"));
    }catch(err){
      notify(T("text.analysisErr") + ((err&&err.message)?err.message:String(err)));
    }finally{
      analyzeBtn.textContent=T("ui.analyze");
      analyzeBtn.disabled=false;
    }
  });

compareBtn&&compareBtn.addEventListener("click",function(){
    if(!state.img||!state.imgB){notify(T("text.burstNeedTwo")); return}
    var a=state.img,b=state.imgB,W=Math.min(a.naturalWidth,b.naturalWidth),H=Math.min(a.naturalHeight,b.naturalHeight),s=fit(W,H);
    cCompare.width=s.w; cCompare.height=s.h;
    var ca=document.createElement("canvas"), cb=document.createElement("canvas");
    ca.width=s.w; ca.height=s.h; cb.width=s.w; cb.height=s.h;
    ca.getContext("2d").drawImage(a,0,0,s.w,s.h);
    cb.getContext("2d").drawImage(b,0,0,s.w,s.h);
    var da=ca.getContext("2d").getImageData(0,0,s.w,s.h).data, db=cb.getContext("2d").getImageData(0,0,s.w,s.h).data;
    var out=cCompare.getContext("2d").createImageData(s.w,s.h);
    for(var i=0;i<da.length;i+=4){
      var dr=da[i]-db[i], dg=da[i+1]-db[i+1], dbb=da[i+2]-db[i+2];
      var d=Math.min(255,Math.round((Math.abs(dr)+Math.abs(dg)+Math.abs(dbb))/3));
      out.data[i]=255; out.data[i+1]=255-d; out.data[i+2]=255-d; out.data[i+3]=Math.max(120,d);
    }
    cCompare.getContext("2d").putImageData(out,0,0);
    setView("compare");
    seqInfo.textContent=T("text.burstDone");
  });

buildRefBtn&&buildRefBtn.addEventListener("click",async function(){
    var files=refFiles.files; if(!files||files.length<3){notify(T("text.refNeed3")); return}
    demoMode=false;
    refStat.textContent=T("text.refBuilding");
    buildRefBtn.disabled=true;
    try{
      var acc=null,count=0,side=null;
      for(var idx=0;idx<files.length;idx++){
        var f=files[idx], url=URL.createObjectURL(f);
        var img=await new Promise(function(r){var im=new Image(); im.onload=function(){r(im)}; im.onerror=function(){r(null)}; im.src=url});
        try{URL.revokeObjectURL(url)}catch(_){}
        if(!img) continue;
        var s=fit(img.naturalWidth,img.naturalHeight,720,720);
        var c=document.createElement("canvas"); c.width=s.w; c.height=s.h; c.getContext("2d").drawImage(img,0,0,s.w,s.h);
        var id=c.getContext("2d").getImageData(0,0,c.width,c.height).data; toGrayInPlace(id);
        var blur=blur3Gray(id,c.width,c.height), res=new Float32Array(id.length/4);
        for(var i=0,j=0;i<id.length;i+=4,j++) res[j]=id[i]-blur[i];
        if(!acc){acc=new Float32Array(res.length); side={w:c.width,h:c.height}}
        for(var ii=0;ii<acc.length;ii++) acc[ii]+=res[ii];
        count++;
      }
      if(!acc||count<1){throw new Error("No valid reference image")}
      for(var k=0;k<acc.length;k++) acc[k]/=count;
      var m=0; for(var v=0;v<acc.length;v++) m+=acc[v]; m/=acc.length; for(var kk=0;kk<acc.length;kk++) acc[kk]-=m;
      state.ref.fingerprint=acc; state.ref.side=side;
      refStat.textContent=T("text.refDonePrefix")+count+T("text.refDoneSuffix");
      prnuTestBtn.disabled=false;
    }catch(err){
      refStat.textContent=(err&&err.message)?err.message:"Reference build failed";
    }finally{
      buildRefBtn.disabled=false;
    }
  });

prnuTestBtn&&prnuTestBtn.addEventListener("click",function(){
    if(!state.ref.fingerprint||!state.img){notify(T("text.prnuNeed")); return}
    var s=state.ref.side; cPrnu.width=s.w; cPrnu.height=s.h;
    var tmp=document.createElement("canvas"); tmp.width=s.w; tmp.height=s.h; tmp.getContext("2d").drawImage(state.img,0,0,s.w,s.h);
    var id=tmp.getContext("2d").getImageData(0,0,s.w,s.h).data; toGrayInPlace(id);
    var blur=blur3Gray(id,s.w,s.h), res=new Float32Array(id.length/4);
    for(var i=0,j=0;i<id.length;i+=4,j++) res[j]=id[i]-blur[i];
    var map=new Float32Array(s.w*s.h), ref=state.ref.fingerprint;
    var refStd=Math.sqrt(ref.reduce(function(a,val){return a+val*val},0)/ref.length)||1;
    var win=16;
    for(var y=0;y<s.h;y++){
      for(var x=0;x<s.w;x++){
        var rx0=Math.max(0,x-8), ry0=Math.max(0,y-8), rx1=Math.min(s.w,rx0+win), ry1=Math.min(s.h,ry0+win), n=0, mean=0;
        for(var yy=ry0;yy<ry1;yy++) for(var xx=rx0;xx<rx1;xx++){ mean+=res[yy*s.w+xx]; n++ }
        mean/=n||1;
        var num=0,den=0;
        for(var yy2=ry0;yy2<ry1;yy2++) for(var xx2=rx0;xx2<rx1;xx2++){ var a=res[yy2*s.w+xx2]-mean, b=ref[yy2*s.w+xx2]; num+=a*b; den+=a*a }
        map[y*s.w+x]=(den>0? num/Math.sqrt(den)/refStd:0);
      }
    }
    var ctx=cPrnu.getContext("2d"), imgd=ctx.createImageData(s.w,s.h), max=-1,min=1;
    for(var t=0;t<map.length;t++){var mv=map[t]; if(mv>max)max=mv; if(mv<min)min=mv}
    var rng=(max-min)||1;
    for(var i2=0;i2<map.length;i2++){
      var v2=(map[i2]-min)/rng;
      imgd.data[i2*4]=Math.round(255*v2);
      imgd.data[i2*4+1]=Math.round(255*(1-v2));
      imgd.data[i2*4+2]=128;
      imgd.data[i2*4+3]=200;
    }
    ctx.putImageData(imgd,0,0);
    setView("prnu");
    prnuStats.textContent=T("text.prnuDone");
  });

saveBtn&&saveBtn.addEventListener("click",function(){
    if(!state.report) state.report={score:state.score,confidence:state.conf,exif:state.exif,xmp:state.xmpHits};
    var blob=new Blob([JSON.stringify(state.report,null,2)],{type:"application/json"});
    safeDownload(blob,"mangtae_abum_forensic_report.json");
    notify(T("text.saved"));
  });

exportBtn&&exportBtn.addEventListener("click",function(){
    var v=_$$(".canvwrap canvas").find(function(c){return c.style.display!=="none"})||cOrig;
    if(!v||!v.toDataURL){notify(T("text.exportFail")); return}
    try{
      v.toBlob(function(b){ if(!b){notify(T("text.pngFail")); return} safeDownload(b,"mangtae_abum_view.png") });
    }catch(_){
      try{
        var a=document.createElement("a"); a.href=v.toDataURL("image/png"); a.download="mangtae_abum_view.png"; a.rel="noopener"; document.body.appendChild(a); a.click(); a.remove();
      }catch(__){notify(T("text.pngFail"))}
    }
  });

resetBtn&&resetBtn.addEventListener("click",function(){
    state={img:null,imgB:null,w:0,h:0,exif:{},xmpHits:[],heicMeta:null,ela:null,ghost:null,edge:null,clonePairs:0,block8:0,block16:0,resGini:0,qtables:[],score:null,conf:null,report:null,contentType:"unknown",flatRatio:0,paletteBins:0,qa:0,gate:"",faces:[],ref:{fingerprint:null,side:{w:0,h:0}}};
    demoMode=false; pendingDemoB=null;
    if(fileInput) fileInput.value="";
    if(fileInputB) fileInputB.value="";
    if(refFiles) refFiles.value="";
    if(heicInput) heicInput.value="";
    [cOrig,cEla,cGhost,cEdge,cClone,cFace,cCompare,cPrnu].forEach(function(c){if(c){c.width=0;c.height=0;c.style.display="none"}});
    cOrig.style.display="block";
    kv.innerHTML=""; tags.innerHTML=""; ghostStats.textContent=""; prnuStats.textContent="";
    seqInfo.textContent=""; refStat.textContent=T("text.noRef");
    scoreEl.textContent=T("report.resultIdle"); verdict.textContent=""; reportEl.textContent=""; heicOut.textContent="";
    analyzeBtn.disabled=true; saveBtn.disabled=true; exportBtn.disabled=true; compareBtn.disabled=true; buildRefBtn.disabled=true; prnuTestBtn.disabled=true;
    setFileStatus(fileStatus, [], false);
    setFileStatus(fileBStatus, [], false);
    setFileStatus(refFilesStatus, [], true);
    setFileStatus(heicStatus, [], false);
    notify(T("text.resetDone"));
  });

enableDnD();
  applyLang();
  setFileStatus(fileStatus, [], false);
  setFileStatus(fileBStatus, [], false);
  setFileStatus(refFilesStatus, [], true);
  setFileStatus(heicStatus, [], false);
})();
</script>

</body>
</html>

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