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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>VoxSum Studio</title>
    <link rel="stylesheet" href="/styles.css" />
    <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
  </head>
  <body>
    <header class="app-header">
      <h1>VoxSum Studio</h1>
      <p class="tagline">Transform Audio into Insightful Summaries</p>
      <div class="performance-notice">
        <small>⚑ Running on limited CPU - operations may take 2-5 minutes for large files</small>
      </div>
    </header>
    <div class="app-shell">
      <aside class="sidebar">
        <section class="panel">
          <h2>ASR Settings</h2>
          <label for="backend-select">Backend</label>
          <select id="backend-select"></select>

          <label for="model-select">Model</label>
          <select id="model-select"></select>

          <div id="sensevoice-options" class="conditional hidden">
            <label for="sensevoice-language">Language</label>
            <select id="sensevoice-language">
              <option value="auto">Auto</option>
              <option value="zh">Chinese</option>
              <option value="en">English</option>
              <option value="ja">Japanese</option>
              <option value="ko">Korean</option>
              <option value="yue">Cantonese</option>
            </select>

            <label>Text Normalization</label>
            <div class="radio-group">
              <label><input type="radio" name="textnorm" value="withitn" checked /> With ITN</label>
              <label><input type="radio" name="textnorm" value="noitn" /> Raw</label>
            </div>
          </div>

          <label for="vad-threshold">VAD Threshold</label>
          <input id="vad-threshold" type="range" min="0.1" max="0.9" step="0.05" value="0.5" />
          <span id="vad-value" class="hint">0.50</span>
        </section>

        <section class="panel">
          <h2>Diarization</h2>
          <label class="toggle">
            <input id="diarization-toggle" type="checkbox" /> Enable speaker diarization
          </label>
          <div id="diarization-settings" class="conditional hidden">
            <label for="num-speakers">Number of speakers (-1 = auto)</label>
            <input id="num-speakers" type="number" min="-1" max="10" value="-1" />

            <label for="cluster-threshold">Cluster threshold</label>
            <input id="cluster-threshold" type="range" min="0.1" max="1" step="0.05" value="0.5" />
            <span id="cluster-value" class="hint">0.50</span>
          </div>
        </section>

        <section class="panel">
          <h2>Language Model</h2>
          <label for="llm-select">LLM Model</label>
          <select id="llm-select"></select>
        </section>

        <section class="panel">
          <h2>Summarization</h2>
          <label for="prompt-input">Custom Prompt</label>
          <textarea id="prompt-input" rows="4">Summarize the transcript below.</textarea>
        </section>
      </aside>

      <main class="content">
        <nav class="tabs">
          <button class="tab active" data-target="podcast-tab">πŸŽ™οΈ Podcast</button>
          <button class="tab" data-target="audio-tab">🎡 Audio Input</button>
          <button class="tab" data-target="results-tab">πŸ“„ Results</button>
        </nav>

        <section id="podcast-tab" class="tab-panel active">
          <div class="panel">
            <h2>Search Podcasts</h2>
            <div class="form-row">
              <input id="podcast-query" type="text" placeholder="Podcast title" />
              <button id="podcast-search">Search</button>
            </div>
            <div class="list-grid">
              <section class="list-section">
                <header class="list-section-header">
                  <h3>Podcast Channels</h3>
                  <p class="list-hint">Pick a show to reveal recent episodes.</p>
                </header>
                <div id="podcast-results" class="list"></div>
              </section>
              <section class="list-section">
                <header class="list-section-header">
                  <h3>Episodes</h3>
                  <p class="list-hint">Episodes for the selected podcast appear here.</p>
                </header>
                <div id="episode-results" class="list"></div>
              </section>
            </div>
          </div>
        </section>

        <section id="audio-tab" class="tab-panel">
          <div class="panel">
            <h2>YouTube</h2>
            <div class="form-row">
              <input id="youtube-url" type="url" placeholder="https://youtube.com/..." />
              <button id="youtube-fetch">Fetch Audio</button>
            </div>
          </div>
          <div class="panel">
            <h2>Upload Audio</h2>
            <input id="file-input" type="file" accept="audio/*" />
          </div>
        </section>

        <section id="results-tab" class="tab-panel">
          <div class="actions">
            <button id="transcribe-btn" class="primary">Transcribe Audio</button>
            <button id="cancel-transcribe-btn" class="danger hidden">Cancel Transcription</button>
            <button id="detect-speaker-names-btn" class="secondary hidden">Detect Speaker Names</button>
            <button id="summary-btn" class="secondary">Generate Summary</button>
            <button id="cancel-summary-btn" class="danger hidden">Cancel Summary</button>
            <span id="status-text" class="status-text">Ready</span>
          </div>

          <div id="progress-container" class="progress-container hidden">
            <div class="progress-bar">
              <div id="progress-fill" class="progress-fill"></div>
            </div>
          </div>

          <section class="panel audio-player-panel">
            <h2>Audio Player</h2>
            <div class="custom-audio-player">
              <audio id="audio-player" preload="auto"></audio>
              
              <!-- Custom Controls -->
              <div class="player-controls">
                <button id="play-pause-btn" class="play-pause-btn" title="Play/Pause">
                  <span class="play-icon">β–Ά</span>
                  <span class="pause-icon hidden">⏸</span>
                </button>
                
                <span id="current-time" class="time-display">0:00</span>
                
                <div class="timeline-container">
                  <canvas id="waveform-canvas" class="waveform-canvas"></canvas>
                  <div id="timeline-bar" class="timeline-bar">
                    <div id="timeline-progress" class="timeline-progress"></div>
                    <div id="timeline-segments" class="timeline-segments"></div>
                    <div id="timeline-handle" class="timeline-handle"></div>
                  </div>
                </div>
                
                <span id="duration-time" class="time-display">0:00</span>
                
                <div class="volume-control">
                  <button id="volume-btn" class="volume-btn" title="Mute/Unmute">πŸ”Š</button>
                  <input id="volume-slider" type="range" min="0" max="100" value="100" class="volume-slider" />
                </div>
              </div>
            </div>
          </section>

          <section class="panel">
            <div class="panel-header">
              <h2>Transcript</h2>
              <span id="utterance-count" class="hint"></span>
            </div>
            <div id="transcript-container">
              <ul id="transcript-list"></ul>
            </div>
          </section>

          <section id="diarization-summary" class="panel hidden">
            <h2>Speaker Analysis</h2>
            <div id="diarization-metrics"></div>
            <div id="speaker-breakdown"></div>
          </section>

          <section class="panel">
            <h2>Document Title</h2>
            <div id="title-output" class="title-display"></div>
          </section>

          <section class="panel">
            <h2>Summary</h2>
            <div id="summary-output" class="summary"></div>
          </section>

          <section class="panel">
            <h2>Export</h2>
            <div class="export-grid">
              <div>
                <label for="transcript-format">Transcript format</label>
                <select id="transcript-format"></select>
              </div>
              <div>
                <label class="toggle">
                  <input id="include-timestamps" type="checkbox" checked /> Include timestamps
                </label>
              </div>
              <button id="export-transcript">Export Transcript</button>
              <div>
                <label for="summary-format">Summary format</label>
                <select id="summary-format"></select>
              </div>
              <button id="export-summary">Export Summary</button>
            </div>
          </section>
        </section>
      </main>
    </div>

    <template id="utterance-template">
      <li class="utterance-item">
        <div class="utterance-header">
          <span class="timestamp"></span>
          <span class="speaker-tag hidden"></span>
          <div class="utterance-actions">
            <button class="edit-btn" title="Edit">✏️</button>
          </div>
        </div>
        <div class="utterance-text"></div>
        <div class="edit-area hidden">
          <textarea rows="3"></textarea>
          <div class="edit-controls">
            <button class="save-edit">Save</button>
            <button class="cancel-edit">Cancel</button>
          </div>
        </div>
      </li>
    </template>

    <script src="/app.js"></script>
  </body>
</html>