.workspace.shadowing-workspace{--shadowing-sidebar-width:clamp(300px,22vw,360px);--shadowing-gap:16px;width:100%;max-width:none;margin:0;padding:12px clamp(14px,1.2vw,24px)}.shadowing-heading{flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding-bottom:10px;display:flex}.shadowing-heading h1{letter-spacing:-.6px;font-size:20px;line-height:1.2}.shadowing-heading-title{align-items:center;gap:12px;min-width:0;display:flex}.shadowing-back{border:1px solid var(--border);background:var(--surface);width:36px;height:36px;color:var(--primary);border-radius:10px;flex-shrink:0;place-items:center;display:grid}.shadowing-back:hover{background:var(--soft-strong)}.shadowing-practice-source{justify-self:end}.shadowing-screen[data-masked=true] video,.shadowing-screen[data-masked=true] .shadowing-youtube-mount{filter:blur(14px);opacity:.45;pointer-events:none}.shadowing-mask-toggle{z-index:2;color:#18362a;background:#f8fff4ed;border-radius:10px;justify-content:center;align-items:center;gap:8px;min-height:38px;padding:10px 14px;font-size:12px;font-weight:650;display:flex;position:absolute;top:12px;right:12px;box-shadow:0 2px 15px #0002}.shadowing-screen[data-masked=true] .shadowing-mask-toggle{width:fit-content;max-width:90%;height:42px;margin:auto;inset:0}.shadowing-practice-panel{border:1px solid var(--border);background:var(--surface);border-radius:14px;flex-direction:column;flex:1;grid-column:1/-1;min-width:0;min-height:0;display:flex;overflow:hidden}.shadowing-practice-panel>header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;padding:9px 12px;display:flex}.shadowing-practice-panel h2{align-items:center;gap:6px;font-size:14px;display:flex}.shadowing-practice-panel>header>div{display:flex}.shadowing-practice-panel>header [data-slot=button]{width:29px;height:32px}.shadowing-practice-count{color:var(--muted-foreground);font-variant-numeric:tabular-nums;padding:10px 14px 6px;font-size:11px}.shadowing-practice-panel>.shadowing-transcript-draft{border-bottom:1px solid var(--border);padding:8px 14px}.shadowing-sentence-strip{overscroll-behavior:contain;scrollbar-width:thin;border-bottom:1px solid var(--border);flex-shrink:0;gap:5px;padding:5px 12px 11px;display:flex;position:relative;overflow-x:auto}.shadowing-sentence-strip button{background:var(--soft);font-variant-numeric:tabular-nums;border-radius:6px;flex-shrink:0;min-width:29px;height:29px;padding:3px 6px;font-size:11px}.shadowing-sentence-strip button[aria-current=true]{background:var(--primary);color:var(--primary-foreground)}.shadowing-practice-body{overscroll-behavior:contain;flex-direction:column;flex:1;align-items:stretch;gap:14px;min-height:0;padding:16px;display:flex;overflow:auto}.shadowing-practice-reference{background:var(--soft);text-align:center;border-radius:10px;gap:6px;padding:14px 12px;display:grid}.shadowing-practice-reference strong{font-size:20px;font-weight:550;line-height:1.7}.shadowing-practice-reference .pinyin,.shadowing-practice-reference p{color:var(--muted-foreground);font-size:12px;line-height:1.7}.shadowing-dictation-kinds{gap:6px;display:flex}.shadowing-dictation-kinds button{border:1px solid var(--border);border-radius:8px;flex:1;min-height:35px;padding:6px;font-size:12px}.shadowing-dictation-kinds button[aria-pressed=true]{background:var(--mint-surface);border-color:var(--mint-border);color:var(--mint-ink)}.shadowing-dictation form{gap:10px;display:grid}.shadowing-dictation .field{display:grid}.shadowing-dictation-hint{background:var(--soft);overflow-wrap:anywhere;border-radius:8px;padding:10px}.shadowing-modes{flex-wrap:wrap;gap:6px;display:flex}.shadowing-modes button{color:var(--muted-foreground);border:1px solid #0000;border-radius:99px;align-items:center;gap:8px;min-height:38px;padding:7px 13px;font-size:13px;font-weight:700;display:inline-flex}.shadowing-modes button.active{background:var(--primary);color:var(--primary-foreground)}.shadowing-modes button:not(.active):hover{background:var(--soft-strong);color:var(--foreground)}.shadowing-grid,.shadowing-online-heading{grid-template-columns:minmax(0,1fr) var(--shadowing-sidebar-width);gap:var(--shadowing-gap);display:grid}.shadowing-grid{align-items:start}.shadowing-left,.shadowing-sidebar{min-width:0}.shadowing-sidebar{flex-direction:column;gap:12px;display:flex}.shadowing-screen{background:#080e12;border-radius:14px 14px 0 0;position:relative;overflow:hidden}.shadowing-screen video{aspect-ratio:16/9;object-fit:contain;background:#080e12;width:100%;display:block}.shadowing-online-screen{aspect-ratio:16/9;width:100%}.shadowing-screen.shadowing-online-screen{min-height:200px}.shadowing-youtube-mount,.shadowing-youtube-mount iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.shadowing-loading{background:#07141233;place-items:center;padding:20px;display:grid;position:absolute;inset:0}.shadowing-loading>span{color:#fff;text-align:center;background:#132d26ef;border-radius:10px;max-width:340px;padding:12px 16px;font-size:13px}.shadowing-load-video{color:#fff;width:100%;height:100%;display:block;position:absolute;inset:0}.shadowing-load-video>img{object-fit:contain;opacity:.55;width:100%;height:100%}.shadowing-load-video>span{background:#0714123b;flex-direction:column;justify-content:center;align-items:center;gap:9px;display:flex;position:absolute;inset:0}.shadowing-load-video strong{background:#132d26ef;border-radius:10px;padding:9px 16px;font-size:15px}.shadowing-load-video small{background:#132d26ef;border-radius:5px;padding:4px 9px;font-size:11px}.shadowing-caption.shadowing-online-caption{max-height:132px}.shadowing-online-caption strong{font-size:20px}.shadowing-online-caption p{font-size:12px}.shadowing-online-workspace .shadowing-online-sidebar{max-height:100%;display:flex;overflow:hidden}.shadowing-online-tabs{flex-shrink:0;gap:6px;display:flex}.shadowing-online-tabs button{border:1px solid var(--border);min-height:36px;color:var(--muted-foreground);border-radius:9px;flex:1;justify-content:center;align-items:center;gap:7px;padding:7px 8px;font-size:12px;display:flex}.shadowing-online-tabs button[aria-pressed=true]{color:var(--mint-ink);background:var(--mint-surface);border-color:var(--mint-border)}.shadowing-online-tools{overscroll-behavior:contain;gap:12px;display:grid;overflow:auto}.shadowing-transcript-draft{color:var(--muted-foreground);flex-shrink:0;padding:0 16px 11px;font-size:10px;line-height:1.6}.shadowing-import-status{align-content:start;justify-items:start;gap:14px;padding:16px;font-size:13px;display:grid}.shadowing-import-status>strong{color:var(--mint-ink)}.shadowing-import-status>p{color:var(--muted-foreground);font-size:12px;line-height:1.8}.shadowing-import-status progress{width:100%;height:7px;accent-color:var(--primary)}.shadowing-import-status>a{color:var(--primary);text-decoration:underline}.shadowing-transcript-empty{color:var(--muted-foreground);flex-direction:column;align-items:flex-start;gap:18px;padding:24px 18px;font-size:12px;line-height:1.8;display:flex}.shadowing-transcript-empty>a{color:var(--primary);align-items:center;gap:6px;display:flex}.shadowing-online-sidebar .shadowing-line:disabled{cursor:default}.shadowing-online-panel{border:1px solid var(--border);background:var(--surface);border-radius:14px;padding:17px}.shadowing-online-panel h2{align-items:center;gap:8px;margin:0 0 10px;font-size:15px;display:flex}.shadowing-online-panel p{color:var(--muted-foreground);margin-bottom:12px;font-size:12px;line-height:1.7}.shadowing-ab-fields{grid-template-columns:1fr 1fr;gap:12px;margin-top:16px;display:grid}.shadowing-ab-fields label{gap:7px;font-size:12px;font-weight:600;display:grid}.shadowing-ab-fields input{width:100%;min-width:0;height:39px;color:var(--foreground);background:var(--background);border:1px solid var(--input-border);font-variant-numeric:tabular-nums;border-radius:8px;padding:8px 10px}.shadowing-ab-markers{grid-template-columns:1fr 1fr;gap:12px;margin-block:10px 15px;display:grid}.shadowing-ab-loop{width:100%;margin-bottom:8px}.shadowing-origin-link{color:var(--primary);align-items:center;gap:6px;font-size:11px;display:inline-flex}.shadowing-online-panel .shadowing-ab-error{color:var(--destructive)}.shadowing-screen-label{pointer-events:none;color:#f0f5ed;letter-spacing:1.4px;background:#071412c9;border:1px solid #ffffff40;border-radius:99px;align-items:center;gap:7px;padding:4px 8px;font-size:9px;font-weight:700;display:inline-flex;position:absolute;top:12px;left:12px}.shadowing-caption{color:#f7f7ee;text-align:center;overflow-wrap:anywhere;background:#101c23;border-top:1px solid #ffffff18;border-radius:0 0 14px 14px;flex-direction:column;justify-content:center;gap:3px;max-height:160px;padding:9px 16px 11px;display:flex;overflow:auto}.shadowing-caption strong{letter-spacing:.5px;font-size:clamp(21px,1.65vw,25px);font-weight:550;line-height:1.5}.shadowing-caption .pinyin{color:#c8e5ca;font-size:13px;line-height:1.5}.shadowing-caption p{color:#e3e9ed;font-size:13px;line-height:1.6}.shadowing-cue-number{color:#b4c1c9;letter-spacing:1px;text-transform:uppercase;font-size:10px}.shadowing-transport{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:12px 0;display:flex}.shadowing-play-controls,.shadowing-play-options{align-items:center;gap:6px;display:flex}.shadowing-main-play{min-width:117px}.shadowing-clock{font-variant-numeric:tabular-nums;color:var(--muted-foreground);white-space:nowrap;margin-left:4px;font-size:11px}.shadowing-play-options{gap:12px;font-size:12px}.shadowing-play-options>button{min-height:36px;color:var(--muted-foreground);border:1px solid var(--border);border-radius:8px;align-items:center;gap:6px;padding:6px 9px;display:flex}.shadowing-play-options>button.active{background:var(--mint-surface);border-color:var(--mint-border);color:var(--mint-ink)}.shadowing-play-options label{align-items:center;gap:6px;display:flex}.shadowing-play-options select{background:var(--surface);border:1px solid var(--border);color:var(--foreground);border-radius:7px;padding:5px 6px}.shadowing-player-footer{justify-content:space-between;align-items:center;gap:12px;padding-top:10px;display:flex}.shadowing-hint,.shadowing-turn{color:var(--muted-foreground);font-size:11px}.shadowing-turn{color:var(--mint-ink)}.shadowing-error.feedback{margin:8px 0 0;padding:10px 12px;font-size:12px}.shadowing-note{font-size:11px!important}.shadowing-dictation{gap:10px;display:grid}.shadowing-dictation .field{gap:5px;margin:0}.shadowing-dictation .field>span{font-size:12px}.shadowing-dictation textarea{width:100%;min-height:64px;max-height:120px;color:var(--foreground);background:var(--soft);border:1px solid var(--input-border);resize:vertical;border-radius:9px;padding:8px 10px;font-size:17px;line-height:1.5}.shadowing-dictation small{color:var(--muted-foreground);font-size:10px;line-height:1.6}.shadowing-dictation .feedback{margin:0;padding:10px;font-size:12px}.shadowing-dictation .feedback strong{margin:0}.shadowing-transcript{border:1px solid var(--border);background:var(--surface);border-radius:14px;min-width:0;overflow:hidden}.shadowing-transcript>header{justify-content:space-between;align-items:center;gap:10px;min-height:44px;padding:8px 16px;display:flex}.shadowing-transcript h2{align-items:center;gap:8px;margin:3px 0;font-size:17px;display:flex}.shadowing-reveal{width:36px;height:36px;color:var(--muted-foreground);border-radius:9px;flex-shrink:0;align-self:center;place-items:center;display:grid}.shadowing-reveal:hover{background:var(--soft)}.shadowing-display-options{background:var(--soft);border-block:1px solid var(--border);flex-wrap:wrap;gap:13px;padding:9px 16px;display:flex}.shadowing-display-options label{color:var(--muted-foreground);cursor:pointer;align-items:center;gap:5px;font-size:11px;display:inline-flex}.shadowing-display-options input{accent-color:var(--primary)}.shadowing-lines{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent;overscroll-behavior:contain;max-height:450px;padding:8px;overflow:auto}.shadowing-line{text-align:left;border:1px solid #0000;border-radius:11px;align-items:flex-start;gap:10px;width:100%;padding:10px;display:flex;position:relative}.shadowing-line:hover{background:var(--soft)}.shadowing-line.active{background:var(--mint-surface);border-color:var(--mint-border)}.shadowing-line-play{color:var(--muted-foreground);place-items:center;padding-top:22px;display:grid}.shadowing-line-copy{flex:1;gap:4px;min-width:0;display:grid}.shadowing-line-meta{color:var(--muted-foreground);letter-spacing:1px;font-variant-numeric:tabular-nums;justify-content:space-between;font-size:9px;display:flex}.shadowing-line-copy strong{color:var(--foreground);overflow-wrap:anywhere;font-size:17px;font-weight:500;line-height:1.65}.shadowing-line.active strong{color:var(--mint-ink)}.shadowing-line-copy>span[lang]{color:var(--muted-foreground);font-size:11px;line-height:1.6}.shadowing-line-copy small{color:var(--muted-foreground);font-size:11px;line-height:1.7}.shadowing-playing-dot{background:var(--mint-ink);border-radius:50%;width:6px;height:6px;position:absolute;top:16px;right:9px}.shadowing-transcript>footer{border-top:1px solid var(--border);color:var(--muted-foreground);justify-content:space-between;align-items:center;gap:8px;padding:9px 16px;font-size:10px;display:flex}.shadowing-transcript footer a{color:var(--primary);align-items:center;gap:5px;display:inline-flex}@media (min-width:1100px) and (min-height:680px){.workspace.shadowing-workspace{flex-direction:column;height:calc(100dvh - 72px);display:flex}.shadowing-studio{flex-direction:column;flex:1;min-height:0;display:flex}.shadowing-grid{flex:1;align-items:stretch;min-height:0}.shadowing-left{flex-direction:column;min-height:0;display:flex}.shadowing-screen{aspect-ratio:auto;flex:1;height:auto;min-height:140px}.shadowing-screen video{aspect-ratio:auto;height:100%}.shadowing-caption,.shadowing-transport,.shadowing-player-footer,.shadowing-error{flex-shrink:0}.shadowing-sidebar{min-height:0}.shadowing-transcript{flex-direction:column;flex:1;min-height:0;display:flex}.shadowing-transcript>header,.shadowing-display-options,.shadowing-transcript>footer{flex-shrink:0}.shadowing-lines{flex:1;min-height:0;max-height:none}}@media (min-width:1100px) and (max-width:1279px){.workspace.shadowing-workspace{--shadowing-sidebar-width:280px}.shadowing-play-controls [data-slot=button][data-size=icon]{width:32px;height:36px}.shadowing-play-controls .shadowing-main-play{min-width:105px;padding-inline:10px;font-size:13px}.shadowing-play-options{gap:8px;font-size:11px}}@media (max-width:1099px){.shadowing-grid{grid-template-columns:minmax(0,1fr)}.shadowing-online-heading{display:flex}.shadowing-online-heading .shadowing-online-tabs{width:330px;max-width:100%}.shadowing-sidebar{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;display:grid}.shadowing-transcript{grid-column:1/-1}}@media (max-width:600px){.workspace.shadowing-workspace{padding:12px 14px 24px}.shadowing-heading{flex-wrap:wrap;gap:10px}.shadowing-online-heading .shadowing-online-tabs{flex:1;width:auto;min-width:190px}.shadowing-modes{justify-content:space-between;gap:2px;width:100%}.shadowing-heading-title{gap:8px;width:100%}.shadowing-heading-title .shadowing-modes{flex:1;width:auto}.shadowing-modes button{gap:5px;padding:9px 10px;font-size:11px}.shadowing-caption{padding:16px}.shadowing-caption .pinyin,.shadowing-caption p{font-size:12px}.shadowing-transport{gap:12px}.shadowing-play-controls{justify-content:space-between;gap:4px;width:100%}.shadowing-play-options{justify-content:space-between;width:100%}.shadowing-main-play{min-width:115px}.shadowing-player-footer{flex-wrap:wrap;gap:4px}.shadowing-sidebar{display:flex}}