:root{color-scheme:dark;--bg: #101418;--panel: #171d24;--border: #2a323d;--text: #e6edf3;--muted: #8b98a5;--accent: #4d9fff;--listening: #22c55e;--paused: #f59e0b;--ended: #64748b;--danger: #ef4444;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:860px;margin:0 auto;padding:20px 16px 80px}.app-header{display:flex;align-items:baseline;gap:12px;margin-bottom:18px}.app-header h1{font-size:20px;margin:0}.subtitle{color:var(--muted);font-size:13px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}.panel h2{margin-top:0;font-size:16px}.hint{color:var(--muted);font-size:13px}.setup-row{display:flex;align-items:center;gap:18px;margin:14px 0;flex-wrap:wrap}.setup-row label{display:flex;align-items:center;gap:6px;font-size:14px}button{font:inherit;border:1px solid var(--border);background:#1f2731;color:var(--text);border-radius:8px;padding:8px 16px;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#0b1220;font-weight:600;padding:10px 22px}.error{color:var(--danger);font-size:13px;margin:10px 0;white-space:pre-wrap}.status-banner{border-radius:10px;padding:14px 18px;margin-bottom:14px;border:1px solid var(--border)}.status-banner.listening{background:#22c55e1f;border-color:var(--listening)}.status-banner.paused_for_assistance{background:#f59e0b29;border-color:var(--paused)}.status-banner.ended{background:#64748b26;border-color:var(--ended)}.status-main{font-size:20px;font-weight:700;letter-spacing:.5px}.status-banner.listening .status-main{color:var(--listening)}.status-banner.paused_for_assistance .status-main{color:var(--paused)}.status-warning{margin-top:6px;color:var(--paused);font-size:14px;font-weight:500}.level-meter{margin-top:10px;height:6px;border-radius:3px;background:#0b0f14;overflow:hidden}.level-fill{height:100%;background:var(--listening);transition:width 90ms linear}.controls{display:flex;align-items:center;gap:12px;margin:14px 0;flex-wrap:wrap}button.pause{background:var(--paused);border-color:var(--paused);color:#1a1206;font-weight:600}button.resume{background:var(--listening);border-color:var(--listening);color:#04160a;font-weight:600}button.end{background:transparent;border-color:var(--ended);color:var(--muted)}.source-label{color:var(--muted);font-size:12px}.stats{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}.stat{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:8px 12px;min-width:90px}.stat.warn{border-color:var(--danger)}.stat-value{display:block;font-size:16px;font-weight:600}.stat-label{color:var(--muted);font-size:11px}.transcript{margin-top:16px;display:flex;flex-direction:column-reverse;gap:10px;max-height:min(70vh,800px);overflow-y:auto;overflow-x:hidden;scrollbar-gutter:stable}.transcript:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.transcript .hint{margin-block:auto}.utterance{background:var(--panel);border:1px solid var(--border);border-left:3px solid var(--border);border-radius:8px;padding:10px 14px}.utterance.provisional{opacity:.72;border-style:dashed}.utterance-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}.speaker{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.4px}.voice-hint{flex:0 0 auto;padding:1px 8px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:11px;letter-spacing:.02em}.spk-0{color:#7dd3fc}.spk-1{color:#f0abfc}.spk-x{color:var(--muted)}.utterance-time{color:var(--muted);font-size:11px}.provisional-tag{color:var(--muted);font-size:11px;font-style:italic}.utterance-original{font-size:16px;line-height:1.45}.clip-play{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--border);background:transparent;color:var(--muted);font-size:11px;line-height:1;cursor:pointer;padding:0}.clip-play:hover{color:var(--text, #fff);border-color:var(--muted)}.utterance.playing{outline:1px solid var(--muted)}.clip-audio{display:none}.history{margin-top:28px}.history h3{margin:0 0 8px;font-size:14px}.history-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.history-row{display:flex;align-items:stretch;gap:8px}.history-item{flex:1;min-width:0;text-align:left;background:transparent;border:1px solid var(--border);border-radius:8px;color:inherit;padding:12px 14px;cursor:pointer}.history-item:hover{border-color:var(--muted)}.history-delete{flex:0 0 auto;width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;transition:color .15s ease,border-color .15s ease,background .15s ease}.history-delete svg{display:block;width:20px;height:20px}.history-delete:hover{color:#f87171;border-color:#f8717173;background:#f871711a}.history-delete:focus-visible{outline:2px solid rgba(248,113,113,.55);outline-offset:1px}.controls .danger{display:inline-flex;align-items:center;gap:6px;color:#f87171;border-color:#f8717159}.controls .danger:hover{background:#f871711a;border-color:#f871718c}.controls .danger 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var(--border);border-radius:8px;padding:12px;max-height:320px;overflow:auto;font-size:11px;color:var(--muted);white-space:pre-wrap;word-break:break-all}.checkbox{cursor:pointer}.speaker-bar{margin:12px 0 16px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#ffffff08}.speaker-bar-title{font-size:12px;color:var(--muted);margin-bottom:8px}.speaker-chips{display:flex;flex-wrap:wrap;gap:8px}.speaker-chip{display:flex;align-items:center;gap:4px;padding:4px 6px;border-radius:999px;border:1px solid var(--border);background:#ffffff0a;font-size:13px}.speaker-chip-btn{border:none;background:transparent;color:inherit;cursor:pointer;font:inherit;display:inline-flex;align-items:center;gap:6px;padding:2px 4px}.speaker-label-raw{opacity:.55;font-size:11px}.speaker-merge-btn{border:none;background:transparent;color:var(--muted);cursor:pointer;padding:2px 6px;border-radius:6px}.speaker-merge-btn:hover{color:var(--accent);background:#ffffff0f}.speaker-rename,.speaker-merge-pick{display:inline-flex;align-items:center;gap:4px;flex-wrap:wrap}.speaker-rename input{width:120px;padding:3px 6px;border-radius:6px;border:1px solid var(--border);background:#0b0f14;color:inherit;font:inherit}.speaker-rename button,.speaker-merge-pick button{border:1px solid var(--border);background:#ffffff0f;color:inherit;border-radius:6px;padding:2px 8px;font-size:12px;cursor:pointer}.speaker-actions{position:relative;display:inline-flex;align-items:center}.speaker-status{border:1px solid var(--border);background:transparent;border-radius:999px;font-size:10px;letter-spacing:.04em;text-transform:uppercase;padding:1px 7px;cursor:pointer;color:var(--muted)}.speaker-status.unknown{color:#f0a020;border-color:#f0a02080}.speaker-status.pending{color:var(--muted);border-style:dashed}.speaker-menu{position:absolute;top:110%;left:0;z-index:20;display:flex;flex-direction:column;gap:2px;min-width:150px;padding:6px;border-radius:8px;border:1px solid var(--border);background:#121820;box-shadow:0 8px 24px #00000059}.speaker-menu button{border:none;background:transparent;color:inherit;text-align:left;padding:5px 8px;border-radius:6px;font-size:12px;cursor:pointer}.speaker-menu button:hover{background:#ffffff14}.utterance.unknown-speaker{border-left-color:#f0a020}.utterance.unknown-speaker .speaker{color:#f0a020}.ask-panel{margin:16px 0;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:#ffffff0a}.ask-panel.compact{margin:12px 0}.ask-title{font-size:13px;color:var(--muted);margin-bottom:8px}.ask-form{display:flex;gap:8px}.ask-form input{flex:1;padding:8px 12px;border-radius:8px;border:1px solid var(--border);background:#0b0f14;color:inherit;font:inherit}.ask-form button{white-space:nowrap}.ask-thread{display:flex;flex-direction:column;gap:10px;margin-bottom:10px}.ask-turn{padding:10px 12px;border-radius:10px;background:#ffffff08}.ask-q{font-size:13px;color:var(--muted);margin-bottom:6px}.ask-q:before{content:"Q  ";font-weight:600;letter-spacing:.04em}.ask-a{font-size:15px;line-height:1.55;white-space:pre-wrap}.ask-a:before{content:"A  ";font-weight:600;letter-spacing:.04em;color:var(--muted)}