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12px;font-size:13px;text-decoration:none}.RDpu3G_headerButton{justify-content:center;align-items:center;gap:6px;display:inline-flex}.RDpu3G_headerActionIcon{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:18px;height:18px}.RDpu3G_headerButton[aria-pressed=true] .RDpu3G_headerActionIcon{fill:currentColor}.RDpu3G_mobileAdminToggle{display:none}.RDpu3G_titleBar{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px;padding:18px 0 16px;display:grid}.RDpu3G_titleCopy{min-width:0}.RDpu3G_titleActions{justify-items:end;gap:8px;display:grid}.RDpu3G_startPracticeButton{border:1px solid var(--hs-primary);background:var(--hs-primary);min-height:38px;color:var(--hs-on-primary);font:inherit;cursor:pointer;border-radius:10px;padding:8px 13px;font-size:13px;font-weight:750}.RDpu3G_startPracticeButton:disabled{opacity:.48;cursor:not-allowed}.RDpu3G_startPracticeButton:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 35%, transparent);outline-offset:2px}.RDpu3G_videoError button:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 35%, transparent);outline-offset:2px}.RDpu3G_titleCopy h1{text-overflow:ellipsis;white-space:nowrap;margin:3px 0 0;font-size:max(20px,min(2vw,28px));line-height:1.25;overflow:hidden}.RDpu3G_eyebrow{color:var(--hs-accent,#a65327);letter-spacing:.08em;margin:0;font-size:12px;font-weight:800}.RDpu3G_description{color:var(--hs-muted,#77756c);text-overflow:ellipsis;white-space:nowrap;margin:6px 0 0;font-size:13px;overflow:hidden}.RDpu3G_progress{min-width:210px;color:var(--hs-muted,#77756c);text-align:right;font-size:12px}.RDpu3G_progressTrack{background:var(--hs-bg,#f7f5f0);border-radius:999px;height:5px;margin-top:7px;overflow:hidden}.RDpu3G_progressTrack span{border-radius:inherit;background:var(--hs-accent-solid);height:100%;display:block}.RDpu3G_modeToolbar{justify-content:flex-start;align-items:center;gap:12px;margin-bottom:12px;display:flex}.RDpu3G_shortcutButton{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);min-height:34px;color:var(--hs-muted,#77756c);font:inherit;cursor:pointer;border-radius:9px;padding:6px 10px;font-size:12px;font-weight:700}.RDpu3G_customVideoButton{border:1px solid color-mix(in srgb, var(--hs-accent) 45%, var(--hs-line));background:var(--hs-accent-soft,#f5e5d6);min-height:34px;color:var(--hs-accent,#a65327);font:inherit;cursor:pointer;border-radius:9px;margin-left:auto;padding:7px 11px;font-size:12px;font-weight:800}.RDpu3G_customVideoButton[aria-pressed=true]{border-color:var(--hs-accent,#a65327);background:var(--hs-accent-solid);color:var(--hs-on-accent)}.RDpu3G_shortcutButton kbd,.RDpu3G_shortcutHelp kbd{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-bg,#f7f5f0);color:var(--hs-ink,#24231f);font:inherit;border-bottom-width:2px;border-radius:4px;padding:1px 5px;font-size:11px}.RDpu3G_shortcutHelp{border:1px solid color-mix(in srgb, var(--hs-accent) 45%, var(--hs-line));background:var(--hs-accent-soft,#f5e5d6);color:var(--hs-muted,#77756c);border-radius:12px;gap:6px;margin:-4px 0 14px;padding:12px 14px;font-size:12px;line-height:1.55;display:grid}.RDpu3G_shortcutHelp>div{color:var(--hs-ink,#24231f);justify-content:space-between;align-items:center;display:flex}.RDpu3G_shortcutHelp p,.RDpu3G_shortcutHelp span{margin:0}.RDpu3G_shortcutHelp span{color:var(--hs-muted,#77756c)}.RDpu3G_shortcutClose{color:var(--hs-muted,#77756c);cursor:pointer;background:0 0;border:0;padding:0 4px;font-size:20px;line-height:1}.RDpu3G_captionScaleControl{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);min-height:34px;color:var(--hs-muted,#77756c);border-radius:9px;align-items:center;gap:5px;padding:4px 8px;font-size:12px;font-weight:700;display:inline-flex}.RDpu3G_captionScaleControl select{color:var(--hs-ink,#24231f);font:inherit;background:0 0;border:0;font-size:12px;font-weight:800}.RDpu3G_segment,.RDpu3G_loopSegment{background:var(--hs-bg,#f7f5f0);border-radius:12px;align-items:center;gap:2px;padding:3px;display:inline-flex}.RDpu3G_segment button,.RDpu3G_loopSegment button{min-height:34px;color:var(--hs-muted,#77756c);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:9px;padding:7px 13px;font-size:13px}.RDpu3G_segment button[aria-pressed=true],.RDpu3G_loopSegment button[aria-pressed=true]{background:var(--hs-accent-solid);color:var(--hs-on-accent);box-shadow:0 1px 4px #4f311c2e}.RDpu3G_loopLabel{color:var(--hs-muted,#77756c);padding:0 7px 0 9px;font-size:12px;font-weight:700}.RDpu3G_workspace{--cue-font-size:clamp(15px, calc(.52vw + 10px), 21px);--cue-translation-size:clamp(12px, calc(.28vw + 9px), 16px);flex:1;grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,13fr) minmax(330px,7fr);align-items:stretch;gap:16px;height:auto;min-height:0;display:grid;position:relative;overflow:hidden}.RDpu3G_learningArea{--mobile-learning-toolbar-height:108px;flex-direction:column;flex:1;min-width:0;min-height:0;display:flex;overflow:hidden;container:learning-area/inline-size}.RDpu3G_workspaceVideoDetached{grid-template-columns:minmax(0,1fr);width:100%}.RDpu3G_workspaceVideoDetached .RDpu3G_trainingPanel{grid-area:1/1/auto/-1;align-self:stretch;width:100%;min-width:0}.RDpu3G_workspaceCustomVideo .RDpu3G_trainingPanel{z-index:0;width:100%;position:relative}.RDpu3G_workspaceCustomVideo{overflow:visible}.RDpu3G_customVideoSlot{grid-area:1/1}.RDpu3G_detachedDockSlot{z-index:40;width:var(--dock-slot-width);height:var(--dock-slot-height);pointer-events:none;align-self:start;min-height:0;position:absolute;top:0;left:0;overflow:visible}.RDpu3G_detachedDockSlot>*{pointer-events:auto}.RDpu3G_nativePipDockSlot{pointer-events:none;min-width:0;min-height:0;position:absolute;top:0;bottom:auto;left:0;right:auto;overflow:visible;width:0!important;height:0!important}.RDpu3G_playerCard,.RDpu3G_trainingPanel{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);border-radius:15px;min-width:0;min-height:0;overflow:hidden;box-shadow:0 8px 28px #24231f12}.RDpu3G_playerCard{flex-direction:column;display:flex}.RDpu3G_videoFrame{background:#171916;flex:auto;place-items:center;min-height:0;display:grid;position:relative}.RDpu3G_videoError{z-index:2;pointer-events:none;color:#f4f6fb;text-align:left;background:#171916eb;border:1px solid #ffffff38;border-radius:12px;align-items:center;gap:8px;padding:7px 8px;font-size:11px;line-height:1.35;display:flex;position:absolute;top:10px;left:10px;right:10px}.RDpu3G_videoError>span{flex:auto;min-width:0}.RDpu3G_videoError button{pointer-events:auto;background:var(--hs-accent-solid);min-height:32px;color:var(--hs-on-accent);font:inherit;cursor:pointer;border:1px solid #e5b38b;border-radius:8px;flex:none;padding:5px 8px;font-weight:750}.RDpu3G_videoFrame video{object-fit:contain;background:#171916;width:100%;min-width:0;height:100%;min-height:0;max-height:100%;display:block}.RDpu3G_videoPending{color:#e3d9c9;text-align:center;gap:8px;display:grid}.RDpu3G_controlDeck{border-top:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);flex:none;padding:12px 14px 13px}.RDpu3G_controlRow{grid-template-columns:repeat(3,minmax(84px,1fr)) minmax(120px,1.2fr);align-items:end;gap:9px;display:grid}.RDpu3G_controlRow label{color:var(--hs-muted,#77756c);gap:4px;font-size:11px;font-weight:700;display:grid}.RDpu3G_controlRow select{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);width:100%;min-height:36px;color:var(--hs-ink,#24231f);font:inherit;border-radius:9px;padding:6px 9px}.RDpu3G_sentenceControls{grid-template-columns:auto minmax(86px,1fr) auto auto;align-items:center;gap:7px;min-width:0;display:grid}.RDpu3G_sentenceControls span{min-width:78px;color:var(--hs-muted,#77756c);text-align:center;font-size:12px}.RDpu3G_secondaryButton,.RDpu3G_playButton,.RDpu3G_recordButton,.RDpu3G_weakButton,.RDpu3G_dangerButton{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);min-height:36px;color:var(--hs-ink,#24231f);font:inherit;cursor:pointer;border-radius:9px;padding:7px 10px;font-size:12px;font-weight:700}.RDpu3G_playButton{border-color:var(--hs-primary);background:var(--hs-primary);color:var(--hs-on-primary)}.RDpu3G_secondaryButton:disabled,.RDpu3G_playButton:disabled,.RDpu3G_recordButton:disabled,.RDpu3G_weakButton:disabled{opacity:.48;cursor:not-allowed}.RDpu3G_trainingPanel{flex-direction:column;display:flex}.RDpu3G_tabs{border-bottom:1px solid var(--hs-line,#e1ded6);flex:none;grid-template-columns:repeat(5,minmax(0,1fr));padding:0 8px;display:grid}.RDpu3G_tabs button{min-height:48px;color:var(--hs-muted,#77756c);font:inherit;cursor:pointer;background:0 0;border:0;padding:8px 3px;font-size:13px;position:relative}.RDpu3G_tabs button[aria-selected=true]{color:var(--hs-accent,#a65327);font-weight:800}.RDpu3G_tabs button[aria-selected=true]:after{background:var(--hs-accent-solid);content:"";border-radius:999px;height:2px;position:absolute;bottom:-1px;left:18%;right:18%}.RDpu3G_tabBody{background:var(--hs-bg,#f7f5f0);flex-direction:column;flex:auto;min-height:0;display:flex;overflow:hidden}.RDpu3G_cueList{padding:max(9px,min(1vw,14px));overscroll-behavior:contain;overflow-anchor:none;scrollbar-gutter:stable;scroll-behavior:smooth;flex:1 1 0;min-width:0;min-height:0;margin:0;padding-bottom:max(18px,min(2vw,28px));scroll-padding-block:22%;list-style:none;overflow-y:auto}.RDpu3G_cueItem+.RDpu3G_cueItem{margin-top:max(6px,min(.65vw,11px))}.RDpu3G_cueButton{box-sizing:border-box;border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);width:100%;min-width:0;color:var(--hs-ink,#24231f);text-align:left;cursor:pointer;border-radius:13px;gap:7px;padding:max(10px,min(.85vw,15px)) max(11px,min(.95vw,16px));transition:border-color .14s,box-shadow .14s,background .14s;display:grid}.RDpu3G_cueButton:hover{border-color:color-mix(in srgb, var(--hs-accent) 45%, var(--hs-line))}.RDpu3G_cueSeekButton{width:100%;min-height:30px;color:var(--hs-muted,#77756c);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:7px;justify-content:space-between;align-items:center;gap:8px;padding:0;font-size:11px;display:flex}.RDpu3G_cueSeekButton:hover{color:var(--hs-accent,#a65327)}.RDpu3G_cueTimeGroup{font-variant-numeric:tabular-nums;align-items:center;gap:7px;min-width:0;display:inline-flex}.RDpu3G_cueNumber{min-width:2ch;color:var(--hs-accent,#a65327);text-align:right;font-size:10px;font-weight:650}.RDpu3G_cueItemActive .RDpu3G_cueButton{border-color:color-mix(in srgb, var(--hs-accent) 45%, var(--hs-line));background:var(--hs-accent-soft,#f5e5d6);box-shadow:0 4px 16px color-mix(in srgb, var(--hs-accent) 12%, transparent)}.RDpu3G_cueItemUpcoming .RDpu3G_cueButton{border-color:var(--hs-line,#e1ded6);background:var(--hs-bg,#f7f5f0);box-shadow:none;opacity:1}.RDpu3G_cueItemUpcoming .RDpu3G_cueEnglish{color:var(--hs-muted)}.RDpu3G_cueItemCompleted .RDpu3G_cueButton{border-color:var(--hs-line);background:var(--hs-surface);box-shadow:none;opacity:1}.RDpu3G_cueItemPlaying .RDpu3G_cueButton,.RDpu3G_cueItemPlaying.RDpu3G_cueItemActive .RDpu3G_cueButton{border-color:var(--hs-accent,#a65327);background:linear-gradient(135deg, var(--hs-accent-soft,#f5e5d6), var(--hs-bg,#f7f5f0));box-shadow:0 7px 22px color-mix(in srgb, var(--hs-accent) 18%, transparent), inset 3px 0 var(--hs-accent,#a65327);opacity:1}.RDpu3G_cueItemUpcoming.RDpu3G_cueItemActive .RDpu3G_cueButton{border-color:var(--hs-line,#e1ded6);background:var(--hs-bg,#f7f5f0);box-shadow:none}.RDpu3G_cueQuickArea{gap:7px;margin-top:7px;display:grid}.RDpu3G_subtitleFeedback{border:1px dashed color-mix(in srgb, var(--hs-accent) 45%, var(--hs-line));color:var(--hs-muted,#77756c);border-radius:9px;gap:7px;padding:7px 9px;font-size:12px;display:grid}.RDpu3G_subtitleFeedback summary{cursor:pointer;font-weight:700}.RDpu3G_subtitleFeedback label{gap:4px;display:grid}.RDpu3G_subtitleFeedback select,.RDpu3G_subtitleFeedback textarea{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);width:100%;color:var(--hs-ink);font:inherit;border-radius:7px;padding:6px}.RDpu3G_subtitleFeedback button{background:var(--hs-accent-solid);min-height:34px;color:var(--hs-on-accent);font:inherit;cursor:pointer;border:0;border-radius:8px;justify-self:start;padding:6px 10px;font-weight:700}.RDpu3G_subtitleFeedback button:disabled{opacity:.55;cursor:not-allowed}.RDpu3G_cueQuickNotice,.RDpu3G_cueQuickError{border-radius:8px;margin:0;padding:7px 9px;font-size:12px;line-height:1.4}.RDpu3G_cueQuickNotice{background:var(--hs-success-soft);color:var(--hs-success)}.RDpu3G_cueQuickError{background:var(--hs-danger-soft);color:var(--hs-danger)}.RDpu3G_cueMeta{color:var(--hs-muted,#77756c);justify-content:space-between;align-items:center;gap:8px;font-size:11px;display:flex}.RDpu3G_nowPlaying{color:var(--hs-accent,#a65327);font-weight:800}.RDpu3G_cueEnglish{overflow-wrap:anywhere;text-overflow:clip;white-space:normal;min-width:0;font-size:calc(var(--cue-font-size,16px) * var(--caption-scale,1));line-height:1.46}.RDpu3G_cueEnglishWordPlaying{background:var(--hs-warning-soft);box-shadow:inset 0 -2px 0 var(--hs-warning-border);color:var(--hs-warning);border-radius:4px;font-weight:900}.RDpu3G_vocabularyToken{color:inherit;font:inherit;font-weight:inherit;line-height:inherit;text-align:inherit;cursor:help;background:0 0;border:0;border-radius:4px;margin:0;padding:0;display:inline}.RDpu3G_vocabularyToken:hover{background:var(--hs-accent-soft,#f5e5d6);color:var(--hs-accent,#a65327)}.RDpu3G_vocabularyTokenMatched{background:var(--hs-accent-soft,#f5e5d6);box-shadow:inset 0 -2px var(--hs-accent,#a65327);color:var(--hs-accent,#a65327)}.RDpu3G_vocabularyPhrase{color:inherit;font:inherit;font-weight:inherit;line-height:inherit;text-align:inherit;text-decoration:underline;-webkit-text-decoration-color:var(--hs-accent,#a65327);text-decoration-color:var(--hs-accent,#a65327);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;border-radius:4px;margin:0;padding:0;text-decoration-style:dotted;display:inline}.RDpu3G_vocabularyPhrase:hover{background:var(--hs-accent-soft,#f5e5d6);color:var(--hs-accent,#a65327)}.RDpu3G_vocabularyPhrase:focus-visible{background:var(--hs-accent-soft,#f5e5d6);color:var(--hs-accent,#a65327)}.RDpu3G_cueTranslation{overflow-wrap:anywhere;text-overflow:clip;white-space:normal;min-width:0;color:var(--hs-muted,#77756c);font-size:calc(var(--cue-translation-size,13px) * var(--caption-scale,1));font-style:normal;line-height:1.46}.RDpu3G_emptyState{color:var(--hs-muted,#77756c);text-align:center;margin:auto;padding:30px;font-size:13px}.RDpu3G_practicePane{flex-direction:column;flex:1;gap:14px;min-height:0;padding:18px;display:flex;overflow-y:auto}.RDpu3G_practicePane h2,.RDpu3G_practicePane h3,.RDpu3G_practicePane p{margin:0}.RDpu3G_listeningGate{background:linear-gradient(180deg, var(--hs-bg,#f7f5f0) 0%, var(--hs-surface) 42%)}.RDpu3G_listeningHeader{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.RDpu3G_listeningHeader>div{min-width:0}.RDpu3G_listeningSteps{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.RDpu3G_listeningStep{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-bg,#f7f5f0);color:var(--hs-muted,#77756c);border-radius:10px;justify-content:center;align-items:center;gap:7px;padding:8px 10px;font-size:12px;display:flex}.RDpu3G_listeningStep span{background:var(--hs-line,#e1ded6);width:20px;height:20px;color:var(--hs-muted,#77756c);border-radius:50%;place-items:center;font-size:11px;font-weight:700;display:grid}.RDpu3G_listeningStepActive{border-color:color-mix(in srgb, var(--hs-accent) 45%, var(--hs-line));background:var(--hs-accent-soft,#f5e5d6);color:var(--hs-accent,#a65327);font-weight:650}.RDpu3G_listeningStepActive span{background:var(--hs-accent-solid);color:var(--hs-on-accent)}.RDpu3G_listeningHiddenCue,.RDpu3G_listeningReveal{border:1px solid var(--hs-line,#e1ded6);border-radius:13px;gap:8px;padding:15px;display:grid}.RDpu3G_listeningHiddenCue{background:var(--hs-bg,#f7f5f0);min-height:84px;color:var(--hs-muted,#77756c);text-align:center;place-content:center}.RDpu3G_listeningHiddenCue span,.RDpu3G_listeningReveal span{color:var(--hs-muted,#77756c);font-size:12px}.RDpu3G_listeningHiddenCue strong{color:var(--hs-muted,#77756c);font-size:15px;font-weight:600}.RDpu3G_listeningReveal{background:var(--hs-surface)}.RDpu3G_listeningReveal strong{overflow-wrap:anywhere;color:var(--hs-ink,#24231f);font-size:max(16px,min(1.7vw,20px));line-height:1.5}.RDpu3G_listeningReveal em{overflow-wrap:anywhere;color:var(--hs-muted,#77756c);font-size:13px;font-style:normal;line-height:1.5}.RDpu3G_currentSentence{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);border-radius:13px;gap:8px;padding:15px;display:grid}.RDpu3G_currentSentence strong{font-size:calc(17px * var(--caption-scale,1));line-height:1.5}.RDpu3G_currentSentence span{color:var(--hs-muted,#77756c);font-size:calc(13px * var(--caption-scale,1))}.RDpu3G_practiceActions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.RDpu3G_practiceActions [data-primary-action=true]{flex:180px;min-height:44px;font-size:13px}.RDpu3G_shadowingHint{border:1px solid var(--hs-accent-soft,#f5e5d6);background:var(--hs-bg,#f7f5f0);min-width:0;color:var(--hs-muted,#77756c);border-radius:9px;justify-content:space-between;align-items:center;gap:8px;padding:6px 8px 6px 10px;font-size:11px;line-height:1.35;display:flex}.RDpu3G_shadowingHint span{min-width:0}.RDpu3G_shadowingHint button{width:26px;height:26px;color:var(--hs-muted,#77756c);cursor:pointer;background:0 0;border:0;border-radius:50%;flex:none;place-items:center;font-size:18px;display:grid}.RDpu3G_shadowingHint button:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_practiceOptions summary:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_recordingHistory summary:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_practiceOptions,.RDpu3G_recordingHistory{border-top:1px solid var(--hs-line,#e1ded6);padding-top:8px}.RDpu3G_practiceOptions summary,.RDpu3G_recordingHistory summary{width:-webkit-fit-content;width:-moz-fit-content;width:fit-content;color:var(--hs-muted,#77756c);cursor:pointer;font-size:11px;font-weight:750}.RDpu3G_practiceOptions>div{flex-wrap:wrap;gap:7px;margin-top:8px;display:flex}.RDpu3G_recordingHistory .RDpu3G_recordingList{margin-top:9px}.RDpu3G_recordingHistory>.RDpu3G_emptyState{text-align:left;margin:8px 0 0;padding:8px 0;font-size:12px}.RDpu3G_recordButton{border-color:var(--hs-primary);background:var(--hs-primary);color:var(--hs-on-primary)}.RDpu3G_recordButtonRecording{color:#fff;background:#d93a4a;border-color:#d93a4a}.RDpu3G_recordingStep{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-bg,#f7f5f0);color:var(--hs-muted,#77756c);border-radius:10px;justify-content:space-between;align-items:center;gap:10px;padding:9px 11px;font-size:12px;display:flex}.RDpu3G_recordingStep strong{color:var(--hs-accent,#a65327);font-size:13px}.RDpu3G_recordingStep[data-recording-state=RECORDING]{border-color:var(--hs-danger-border);background:var(--hs-danger-soft)}.RDpu3G_recordingStep[data-recording-state=RECORDING] strong{color:var(--hs-danger)}.RDpu3G_recordingStep[data-recording-state=COMPLETED]{border-color:var(--hs-success-border);background:var(--hs-success-soft)}.RDpu3G_recordingStep[data-recording-state=COMPLETED] strong{color:var(--hs-success)}.RDpu3G_recordingDraft{border:1px solid var(--hs-warning-border);background:var(--hs-warning-soft);color:var(--hs-warning);border-radius:10px;gap:9px;padding:11px;font-size:12px;line-height:1.45;display:grid}.RDpu3G_recordingDraft>div{flex-wrap:wrap;gap:8px;display:flex}.RDpu3G_recordingDraft audio{width:100%;min-width:0;height:38px}.RDpu3G_recordingPreviewActions{flex-wrap:wrap;gap:8px;display:flex}.RDpu3G_recordingPreviewActions button{flex:120px}.RDpu3G_recordingPreviewActions [data-primary-action=true]{flex-basis:100%;order:-1;min-height:44px}.RDpu3G_recordingComplete{border:1px solid var(--hs-success-border);background:var(--hs-success-soft);color:var(--hs-success);border-radius:10px;gap:8px;padding:11px;font-size:12px;line-height:1.45;display:grid}.RDpu3G_recordingComplete>strong{color:var(--hs-success);font-size:14px}.RDpu3G_weakButton[aria-pressed=true]{border-color:var(--hs-warning-border);background:var(--hs-warning-soft);color:var(--hs-warning)}.RDpu3G_liveMessage,.RDpu3G_errorMessage{border-radius:10px;padding:10px 12px;font-size:12px;line-height:1.45}.RDpu3G_liveMessage{background:var(--hs-success-soft);color:var(--hs-success)}.RDpu3G_errorMessage{background:var(--hs-danger-soft);color:var(--hs-danger)}.RDpu3G_recordingList{gap:10px;margin:0;padding:0;list-style:none;display:grid}.RDpu3G_recordingList li{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);border-radius:11px;gap:8px;padding:11px;display:grid}.RDpu3G_recordingInfo{color:var(--hs-muted,#77756c);justify-content:space-between;gap:8px;font-size:11px;display:flex}.RDpu3G_recordingList audio{width:100%;height:34px}.RDpu3G_dangerButton{min-height:30px;color:var(--hs-danger);border:0;justify-self:end}.RDpu3G_dictationInput{resize:vertical;border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);min-height:128px;color:var(--hs-ink,#24231f);font:inherit;border-radius:11px;padding:12px;line-height:1.55}.RDpu3G_wordCards{flex-wrap:wrap;gap:8px;display:flex}.RDpu3G_wordCard{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);color:var(--hs-ink,#24231f);border-radius:9px;padding:8px 10px;font-size:13px}.RDpu3G_subtitlePane{flex-direction:column;flex:auto;min-height:0;display:flex;position:relative}.RDpu3G_subtitleFollowBar{z-index:3;pointer-events:none;position:absolute;top:10px;right:max(16px,min(2vw,24px))}.RDpu3G_subtitleFollowBar button{border:1px solid color-mix(in srgb, var(--hs-accent) 45%, var(--hs-line));background:var(--hs-surface);min-height:34px;color:var(--hs-accent,#a65327);font:inherit;box-shadow:0 5px 16px color-mix(in srgb, var(--hs-accent) 18%, transparent);cursor:pointer;pointer-events:auto;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:800}.RDpu3G_revealToolbar{border-bottom:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);color:var(--hs-muted,#77756c);flex:none;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;font-size:12px;font-weight:700;display:flex}.RDpu3G_revealToolbar div{gap:6px;display:flex}.RDpu3G_revealToolbar button,.RDpu3G_revealButton{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);color:var(--hs-accent,#a65327);font:inherit;cursor:pointer;border-radius:8px;padding:6px 9px;font-size:11px;font-weight:800}.RDpu3G_hiddenCue{color:var(--hs-muted,#77756c);letter-spacing:.14em;justify-content:space-between;align-items:center;font-size:18px;display:flex}.RDpu3G_hiddenCue span{letter-spacing:0;font-size:11px;font-weight:700}.RDpu3G_revealButton{margin:7px 0 0 auto}.RDpu3G_hintCard,.RDpu3G_clozeCard,.RDpu3G_attemptResult,.RDpu3G_authPrompt,.RDpu3G_cardDetail{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);border-radius:13px;padding:14px}.RDpu3G_hintCard{gap:7px;display:grid}.RDpu3G_hintCard span{color:var(--hs-muted,#77756c);font-size:11px;font-weight:800}.RDpu3G_hintCard strong{color:var(--hs-ink,#24231f);letter-spacing:.08em;overflow-wrap:anywhere;font-size:18px}.RDpu3G_clozeCard p{color:var(--hs-ink,#24231f);margin:0;font-size:17px;line-height:2.1}.RDpu3G_clozeCard input{box-sizing:border-box;background:var(--hs-accent-soft,#f5e5d6);width:max(76px,min(8vw,124px));max-width:34vw;min-height:34px;color:var(--hs-ink,#24231f);font:inherit;text-align:center;border:1px solid #0000;border-radius:6px;margin-left:3px;margin-right:3px;padding:4px 8px;font-size:14px;font-weight:750}.RDpu3G_clozeCard input:focus{border-color:var(--hs-accent-solid);background:var(--hs-surface)}.RDpu3G_attemptResult{gap:11px;display:grid}.RDpu3G_attemptResult>div:first-child{justify-content:space-between;align-items:center;gap:10px;display:flex}.RDpu3G_attemptCorrect{border-color:var(--hs-success-border);background:var(--hs-success-soft)}.RDpu3G_attemptIncorrect{border-color:var(--hs-danger-border);background:var(--hs-danger-soft)}.RDpu3G_differenceList{flex-wrap:wrap;gap:6px;display:flex}.RDpu3G_differenceList span{background:var(--hs-bg,#f7f5f0);color:var(--hs-ink,#24231f);border-radius:7px;padding:5px 7px;font-size:13px}.RDpu3G_differenceList span[data-status=MATCH]{background:var(--hs-success-soft);color:var(--hs-success)}.RDpu3G_differenceList span[data-status=INCORRECT],.RDpu3G_differenceList span[data-status=MISSING]{background:var(--hs-danger-soft);color:var(--hs-danger)}.RDpu3G_differenceList span[data-status=EXTRA]{background:var(--hs-warning-soft);color:var(--hs-warning);text-decoration:line-through}.RDpu3G_authPrompt{border-color:color-mix(in srgb, var(--hs-accent) 45%, var(--hs-line));background:var(--hs-accent-soft,#f5e5d6);flex-wrap:wrap;align-items:center;gap:8px;display:flex}.RDpu3G_authPrompt p{color:var(--hs-muted,#77756c);flex:100%}.RDpu3G_authPrompt a{background:var(--hs-primary);color:var(--hs-on-primary);border-radius:8px;padding:7px 10px;font-size:12px;font-weight:800;text-decoration:none}.RDpu3G_authPrompt a+a{border:1px solid color-mix(in srgb, var(--hs-accent) 45%, var(--hs-line));background:var(--hs-surface);color:var(--hs-accent,#a65327)}.RDpu3G_cardKindTabs{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;display:grid}.RDpu3G_cardKindTabs button{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);min-height:40px;color:var(--hs-muted,#77756c);font:inherit;cursor:pointer;border-radius:10px}.RDpu3G_cardKindTabs button[aria-selected=true]{border-color:color-mix(in srgb, var(--hs-accent) 45%, var(--hs-line));background:var(--hs-accent-soft,#f5e5d6);color:var(--hs-accent,#a65327);font-weight:800}.RDpu3G_cardKindTabs span{color:var(--hs-muted,#77756c);font-size:11px}.RDpu3G_cardWorkspace{grid-template-columns:minmax(120px,.8fr) minmax(0,1.4fr);gap:10px;min-height:0;display:grid}.RDpu3G_cardList{align-content:start;gap:7px;max-height:330px;display:grid;overflow-y:auto}.RDpu3G_cardList button{border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);color:var(--hs-ink,#24231f);font:inherit;text-align:left;cursor:pointer;border-radius:10px;gap:4px;padding:10px;display:grid}.RDpu3G_cardList button[aria-pressed=true]{border-color:color-mix(in srgb, var(--hs-accent) 45%, var(--hs-line));background:var(--hs-accent-soft,#f5e5d6)}.RDpu3G_cardList span,.RDpu3G_cardDetail>span{color:var(--hs-muted,#77756c);font-size:11px}.RDpu3G_cardDetail{align-content:start;gap:10px;display:grid}.RDpu3G_cardDetail h3{font-size:22px}.RDpu3G_cardDetail p+p{color:var(--hs-muted,#77756c)}.RDpu3G_mobileLearningToolbar{display:none}.RDpu3G_guidedPracticeProgress{background:var(--hs-accent-soft,#f5e5d6);width:-webkit-fit-content;width:-moz-fit-content;width:fit-content;color:var(--hs-accent,#a65327);border-radius:999px;padding:6px 10px;font-size:12px;font-weight:750}.RDpu3G_mobileMoreButton{display:none}.RDpu3G_mobileMoreMenu{z-index:34;border:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);border-radius:12px;gap:5px;min-width:150px;padding:7px;display:grid;position:absolute;bottom:106px;right:8px;box-shadow:0 10px 26px #24231f2e}.RDpu3G_mobileMoreMenu button{background:var(--hs-bg,#f7f5f0);min-height:38px;color:var(--hs-ink,#24231f);font:inherit;text-align:left;border:0;border-radius:8px;padding:7px 10px;font-size:12px;font-weight:700}.RDpu3G_headerButton:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_headerLink:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_shortcutButton:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_customVideoButton:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_shortcutClose:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_captionScaleControl select:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_segment button:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_loopSegment button:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_tabs button:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_cueButton:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_cueSeekButton:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_vocabularyToken:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_vocabularyPhrase:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_secondaryButton:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_playButton:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_recordButton:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_weakButton:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_dangerButton:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_controlRow select:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}.RDpu3G_dictationInput:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:2px}@media (max-width:1100px){.RDpu3G_shell{padding-left:20px;padding-right:20px}.RDpu3G_workspace{grid-template-columns:minmax(0,3fr) minmax(300px,2fr)}.RDpu3G_controlRow{grid-template-columns:repeat(3,minmax(72px,1fr))}.RDpu3G_sentenceControls{grid-column:1/-1}}@media (min-width:881px) and (max-width:1100px){.RDpu3G_workspace{grid-template-columns:minmax(0,3fr) minmax(290px,2fr);gap:12px}.RDpu3G_cueList{padding-left:10px;padding-right:10px}}@media (max-width:623px){.RDpu3G_shell{--mobile-learning-toolbar-height:108px;height:100vh;flex-direction:column;height:100dvh;min-height:0;padding:0;display:flex;overflow:hidden}.RDpu3G_learningArea{padding-bottom:calc(var(--mobile-learning-toolbar-height) + env(safe-area-inset-bottom))}.RDpu3G_header{flex:none;grid-template-columns:minmax(0,1fr) auto;min-height:48px;margin-left:14px;margin-right:14px}.RDpu3G_headerLink{display:none}.RDpu3G_titleBar{flex:none;grid-template-columns:1fr;gap:0;padding:9px 14px 10px}.RDpu3G_progress,.RDpu3G_titleActions,.RDpu3G_titleCopy .RDpu3G_eyebrow,.RDpu3G_description{display:none}.RDpu3G_titleCopy h1{margin:0;font-size:17px}.RDpu3G_modeToolbar{display:none}.RDpu3G_workspace{--mobile-video-height:clamp(156px, min(56.25vw, 30dvh), 219px);--mobile-subtitle-min-height:clamp(150px, 22dvh, 210px);height:auto;min-height:calc(var(--mobile-video-height) + 49px + var(--mobile-subtitle-min-height));flex-direction:column;flex:auto;gap:0;display:flex;overflow:hidden}.RDpu3G_playerCard{height:auto;box-shadow:none;border-left:0;border-right:0;border-radius:0;flex:none}.RDpu3G_videoFrame{width:100%;height:var(--mobile-video-height);aspect-ratio:auto;flex:none;min-height:156px;max-height:219px}.RDpu3G_workspaceCustomVideo .RDpu3G_videoFrame{flex:auto;height:auto;min-height:0;max-height:none}.RDpu3G_controlDeck{display:none}.RDpu3G_trainingPanel{height:auto;max-height:none;min-height:calc(49px + var(--mobile-subtitle-min-height));box-shadow:none;border-bottom:0;border-left:0;border-right:0;border-radius:0;flex:auto}.RDpu3G_tabs{z-index:2;background:var(--hs-surface);position:relative}.RDpu3G_tabBody{min-height:0;overflow:hidden}.RDpu3G_workspaceVideoDetached{width:100%;min-height:0;min-height:calc(49px + var(--mobile-subtitle-min-height));flex:auto}.RDpu3G_workspaceVideoDetached .RDpu3G_trainingPanel{align-self:stretch;width:100%}.RDpu3G_cueList{min-height:var(--mobile-subtitle-min-height);padding-bottom:calc(var(--mobile-learning-toolbar-height) + 18px + env(safe-area-inset-bottom));scroll-padding-bottom:calc(var(--mobile-learning-toolbar-height) + 18px + env(safe-area-inset-bottom));overflow-y:auto}.RDpu3G_subtitleFollowBar{top:8px;right:12px}.RDpu3G_mobileLearningToolbar{z-index:30;box-sizing:border-box;height:var(--mobile-learning-toolbar-height);height:calc(var(--mobile-learning-toolbar-height) + env(safe-area-inset-bottom));border-top:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);padding:4px 10px calc(4px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);grid-template-rows:42px 54px;gap:4px;display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 24px #24231f1a}.RDpu3G_mobileQuickSettings,.RDpu3G_mobileSentenceToolbar{gap:6px;min-width:0;display:grid}.RDpu3G_mobileQuickSettings{grid-template-columns:repeat(6,minmax(0,1fr))}.RDpu3G_mobileSentenceToolbar{grid-template-columns:minmax(0,1fr) minmax(116px,1.25fr) minmax(0,1fr)}.RDpu3G_mobileQuickSettings button,.RDpu3G_mobileSpeedControl,.RDpu3G_mobileSentenceToolbar button{background:var(--hs-bg,#f7f5f0);min-width:0;min-height:44px;color:var(--hs-muted,#77756c);font:inherit;text-align:center;border:0;border-radius:10px;place-content:center;gap:1px;padding:4px 7px;font-size:11px;display:grid}.RDpu3G_mobileQuickSettings button,.RDpu3G_mobileSentenceToolbar button{cursor:pointer}.RDpu3G_mobileQuickSettings strong,.RDpu3G_mobileSentenceToolbar strong{color:var(--hs-ink,#24231f);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.RDpu3G_mobileSpeedControl span{line-height:1}.RDpu3G_mobileSpeedControl select{width:100%;color:var(--hs-ink,#24231f);font:inherit;text-align:center;background:0 0;border:0;font-size:12px;font-weight:800}.RDpu3G_mobileSentenceToolbar .RDpu3G_mobilePlayButton{background:var(--hs-primary);color:var(--hs-on-primary)}.RDpu3G_mobileSentenceToolbar .RDpu3G_mobilePlayButton strong{color:var(--hs-on-primary)}.RDpu3G_mobileQuickSettings button[aria-pressed=true]{background:var(--hs-accent-soft,#f5e5d6);color:var(--hs-accent,#a65327)}.RDpu3G_mobileQuickSettings button:disabled,.RDpu3G_mobileSentenceToolbar button:disabled{opacity:.45;cursor:not-allowed}.RDpu3G_mobileQuickSettings button:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:1px}.RDpu3G_mobileSpeedControl select:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:1px}.RDpu3G_mobileSentenceToolbar button:focus-visible{outline:3px solid color-mix(in srgb, var(--hs-accent) 28%, transparent);outline-offset:1px}}@media (max-width:560px){.RDpu3G_listeningHeader{flex-direction:column}.RDpu3G_listeningHeader .RDpu3G_secondaryButton{width:100%}.RDpu3G_listeningSteps{gap:5px}.RDpu3G_listeningStep{gap:4px;padding-left:5px;padding-right:5px}.RDpu3G_modeToolbar{flex-wrap:wrap;align-items:stretch}.RDpu3G_shortcutButton{margin-left:auto}.RDpu3G_headerActions{gap:4px}.RDpu3G_headerButton{padding-left:8px;padding-right:8px}.RDpu3G_titleCopy h1{white-space:normal}.RDpu3G_tabs{padding-left:3px;padding-right:3px}.RDpu3G_tabs button{font-size:12px}.RDpu3G_cueEnglish{font-size:max(14px,min(4.1vw,18px));line-height:1.42}.RDpu3G_cueTranslation{font-size:max(12px,min(3.4vw,14px));line-height:1.42}.RDpu3G_cueButton{gap:5px;padding:9px 11px}}@media (max-width:623px) and (max-height:600px) and (orientation:landscape){.RDpu3G_shell{--mobile-learning-toolbar-height:62px}.RDpu3G_header,.RDpu3G_titleBar{display:none}.RDpu3G_videoFrame{aspect-ratio:auto;height:min(42dvh,56.25vw)}.RDpu3G_tabs button{min-height:44px}.RDpu3G_mobileLearningToolbar{grid-template-rows:1fr;grid-template-columns:minmax(0,4fr) minmax(0,3fr);gap:6px}.RDpu3G_mobileQuickSettings button,.RDpu3G_mobileSpeedControl,.RDpu3G_mobileSentenceToolbar button{min-height:44px}.RDpu3G_mobileSentenceToolbar{grid-template-columns:repeat(3,minmax(0,1fr))}}@container learning-area (max-width:623px){.RDpu3G_workspace{--mobile-video-height:clamp(156px, min(56.25vw, 30dvh), 219px);--mobile-subtitle-min-height:clamp(150px, 22dvh, 210px);height:auto;min-height:calc(var(--mobile-video-height) + 49px + var(--mobile-subtitle-min-height));flex-direction:column;flex:auto;gap:0;display:flex;overflow:hidden}.RDpu3G_playerCard{height:auto;box-shadow:none;border-left:0;border-right:0;border-radius:0;flex:none}.RDpu3G_videoFrame{width:100%;height:var(--mobile-video-height);aspect-ratio:auto;flex:none;min-height:156px;max-height:219px}.RDpu3G_workspaceCustomVideo .RDpu3G_videoFrame{flex:auto;height:auto;min-height:0;max-height:none}.RDpu3G_controlDeck{display:none}.RDpu3G_trainingPanel{height:auto;max-height:none;min-height:calc(49px + var(--mobile-subtitle-min-height));box-shadow:none;border-bottom:0;border-left:0;border-right:0;border-radius:0;flex:auto}.RDpu3G_tabs{z-index:2;background:var(--hs-surface);position:relative}.RDpu3G_tabBody{min-height:0;overflow:hidden}.RDpu3G_workspaceVideoDetached{width:100%;min-height:0;min-height:calc(49px + var(--mobile-subtitle-min-height));flex:auto}.RDpu3G_workspaceVideoDetached .RDpu3G_trainingPanel{align-self:stretch;width:100%}.RDpu3G_cueList{min-height:var(--mobile-subtitle-min-height);padding-bottom:calc(var(--mobile-learning-toolbar-height) + 18px + env(safe-area-inset-bottom));scroll-padding-bottom:calc(var(--mobile-learning-toolbar-height) + 18px + env(safe-area-inset-bottom));overflow-y:auto}.RDpu3G_subtitleFollowBar{top:8px;right:12px}.RDpu3G_mobileLearningToolbar{z-index:30;box-sizing:border-box;height:calc(var(--mobile-learning-toolbar-height) + env(safe-area-inset-bottom));border-top:1px solid var(--hs-line,#e1ded6);background:var(--hs-surface);padding:4px 10px calc(4px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);grid-template-rows:42px 54px;align-items:stretch;gap:4px;display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 24px #24231f1a}.RDpu3G_mobileQuickSettings,.RDpu3G_mobileSentenceToolbar{gap:6px;min-width:0;display:grid}.RDpu3G_mobileQuickSettings{grid-template-columns:repeat(6,minmax(0,1fr))}.RDpu3G_mobileSentenceToolbar{grid-template-columns:minmax(0,1fr) minmax(116px,1.25fr) minmax(0,1fr)}.RDpu3G_mobileQuickSettings button,.RDpu3G_mobileSpeedControl,.RDpu3G_mobileSentenceToolbar button{background:var(--hs-bg,#f7f5f0);min-width:0;min-height:44px;color:var(--hs-muted,#77756c);font:inherit;text-align:center;border:0;border-radius:10px;place-content:center;gap:1px;padding:4px 7px;font-size:11px;display:grid}.RDpu3G_mobileQuickSettings button,.RDpu3G_mobileSentenceToolbar button{cursor:pointer}.RDpu3G_mobileQuickSettings strong,.RDpu3G_mobileSentenceToolbar 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var(--hs-line));background:var(--hs-accent-soft,#f5e5d6);border-radius:10px;flex-direction:column;align-items:stretch;gap:10px;width:min(400px,100%);max-height:min(420px,60dvh);padding:12px;position:absolute;top:100%;bottom:auto;left:auto;right:0;overflow-y:auto;box-shadow:0 8px 24px #24231f26}.RDpu3G_adminManagementStatus{padding:3px 0;font-size:12px;line-height:1.4}.RDpu3G_adminQualityList{gap:8px;font-size:12px;display:grid}.RDpu3G_adminQualityList p{overflow-wrap:anywhere}.RDpu3G_adminQualityList button{margin-right:5px}@media (max-width:700px){.RDpu3G_adminEditor{margin:8px 0;padding:0}.RDpu3G_adminEditorToggle{width:100%;min-height:44px;color:var(--hs-muted,#77756c);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;justify-content:space-between;align-items:center;gap:12px;padding:8px 12px;display:flex}.RDpu3G_adminEditorToggle>span:first-child{gap:2px;display:grid}.RDpu3G_adminEditorToggle small{color:var(--hs-muted,#77756c);font-size:11px}.RDpu3G_adminEditorBody{flex-direction:column;align-items:stretch;gap:10px;margin:0;padding:0 10px 10px;display:none}.RDpu3G_adminEditor[data-expanded=true] .RDpu3G_adminEditorBody{display:flex}.RDpu3G_adminEditorIntro{gap:2px}.RDpu3G_adminEditorActions{width:100%}.RDpu3G_adminEditorActions button{flex:1}.RDpu3G_adminInlineCue{padding:10px 12px}}@media (max-height:760px){.RDpu3G_shell{--learning-height-mode:compact-height}}@media (max-height:680px){.RDpu3G_shell{--learning-height-mode:extreme-height}}@media (min-width:624px) and (max-height:760px){.RDpu3G_shell{padding:0 20px 12px}.RDpu3G_header{flex:none;gap:12px;min-height:48px}.RDpu3G_videoFrame video{max-height:52dvh}.RDpu3G_titleBar{flex:none;gap:14px;padding:8px 0}.RDpu3G_eyebrow,.RDpu3G_description{display:none}.RDpu3G_titleCopy 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button{min-height:42px;padding-top:6px;padding-bottom:6px}.RDpu3G_cueList{padding:8px;padding-bottom:12px}.RDpu3G_cueItem+.RDpu3G_cueItem{margin-top:6px}.RDpu3G_cueButton{gap:5px;padding:8px 10px}.RDpu3G_cueEnglish,.RDpu3G_cueTranslation{line-height:1.4}.RDpu3G_controlDeck{padding:8px 10px}.RDpu3G_controlRow{gap:7px}.RDpu3G_controlRow select{min-height:32px;padding:4px 7px}.RDpu3G_secondaryButton,.RDpu3G_playButton,.RDpu3G_recordButton,.RDpu3G_weakButton,.RDpu3G_dangerButton{min-height:32px;padding:5px 8px}}@media (min-width:624px) and (max-height:680px){.RDpu3G_shell{padding:0 16px 8px}.RDpu3G_header{min-height:42px}.RDpu3G_titleBar{padding:5px 0}.RDpu3G_titleCopy h1{font-size:max(17px,min(1.5vw,20px))}.RDpu3G_progress{display:none}.RDpu3G_adminEditor{margin:2px 0;padding-left:8px;padding-right:8px}.RDpu3G_adminEditorToggle{min-height:32px}.RDpu3G_modeToolbar{gap:5px;margin-bottom:5px}.RDpu3G_segment button,.RDpu3G_loopSegment button{min-height:28px;padding:4px 8px;font-size:11px}.RDpu3G_captionScaleControl{min-height:28px}.RDpu3G_workspace{--cue-font-size:clamp(15px, min(1.15vw, 2.05dvh), 17px);--cue-translation-size:clamp(12px, min(.85vw, 1.6dvh), 13px);grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:10px}.RDpu3G_tabs button{min-height:38px;font-size:12px}.RDpu3G_cueList{padding:6px;padding-bottom:10px}.RDpu3G_cueItem+.RDpu3G_cueItem{margin-top:4px}.RDpu3G_cueButton{gap:4px;padding:7px 9px}.RDpu3G_videoFrame video{max-height:46dvh}.RDpu3G_controlDeck{padding:6px 8px}.RDpu3G_controlRow{gap:5px}.RDpu3G_controlRow select{min-height:30px;padding:3px 6px;font-size:11px}.RDpu3G_sentenceControls{gap:5px}.RDpu3G_sentenceControls span{min-width:54px;font-size:11px}.RDpu3G_secondaryButton,.RDpu3G_playButton,.RDpu3G_recordButton,.RDpu3G_weakButton,.RDpu3G_dangerButton{min-height:30px;padding:4px 7px;font-size:11px}}@media (max-width:623px) and (max-height:680px){.RDpu3G_workspace{--cue-font-size:clamp(15px, 3.7vw, 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(orientation:portrait){.RDpu3G_mobileQuickSettings .RDpu3G_mobileMoreButton{display:grid}}.RDpu3G_mobileSpeedControl{grid-template-columns:minmax(0,1fr);padding-left:3px;padding-right:3px;position:relative}.RDpu3G_mobileSpeedControl select{-webkit-appearance:none;-moz-appearance:none;appearance:none;box-sizing:border-box;border-radius:0;min-width:0;max-width:100%;height:16px;min-height:0;padding:0 9px 0 0;line-height:16px;display:block}.RDpu3G_mobileSpeedControl:after{content:"";pointer-events:none;border-bottom:1.5px solid;border-right:1.5px solid;width:5px;height:5px;position:absolute;bottom:11px;right:6px;transform:rotate(45deg)}@media (min-width:624px) and (max-height:600px) and (orientation:landscape){.RDpu3G_workspace[data-video-layout=split] .RDpu3G_videoFrame video{max-height:100%}}.RDpu3G_modeToolbar[hidden]{display:none}@media (max-width:623px){.RDpu3G_adminManagement{margin:3px 0 5px;padding:0 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