#audio-bar{display:block;background:var(--surface,#fff);color:var(--ink,#183e34);border-top:1px solid var(--line,#dbe4df);box-shadow:0 -6px 28px #0c352514;padding:14px max(20px,3vw) max(14px,env(safe-area-inset-bottom));max-height:75dvh;overflow-y:auto}
#audio-bar .player-top-row,#audio-bar .player-bottom-row,#audio-bar .next-countdown{max-width:1380px;margin-inline:auto}
#audio-bar .player-top-row{display:grid;grid-template-columns:minmax(180px,1fr) auto minmax(290px,1fr);align-items:center;gap:24px}
#audio-bar .audio-info{grid-area:auto;position:static;width:auto;height:auto;clip-path:none;overflow:visible;min-width:0;display:block}
#audio-bar .audio-info>div{min-width:0}
#audio-bar #audio-label{display:block;color:var(--ink,#183e34);font-size:calc(15px * var(--system-scale,1));font-weight:700;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#audio-bar #audio-status{display:block;color:var(--muted,#5d7168);font-size:13px;line-height:1.5;margin:3px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#audio-bar .player-caption{display:flex;align-items:center;gap:10px;margin-top:6px;min-width:0}
#audio-bar .sentence-counter{display:inline-flex;align-items:center;gap:6px;margin:0;padding:3px 8px;border-radius:6px;background:var(--soft,#edf4ef);color:var(--pine,#145442);font-size:12px;line-height:1.4;white-space:nowrap}
#audio-bar .sentence-counter span{display:inline;margin:0;color:inherit;font-size:12px}
#audio-bar #sentence-position{display:inline;color:inherit;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
#audio-bar #playing-collection{flex:0 1 auto;margin:0;font-size:12px;color:var(--muted,#5d7168);text-align:start;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
#audio-bar .playback-controls{grid-area:auto;display:flex;align-items:center;justify-content:center;gap:12px}
#audio-bar .playback-controls button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;min-width:78px;min-height:64px;margin:0;padding:6px 8px;border:0;border-radius:12px;background:transparent;color:var(--pine,#145442)}
#audio-bar .playback-controls button span{display:block;margin:0;font-size:calc(14px * var(--system-scale,1));line-height:1.4;white-space:nowrap}
#audio-bar .playback-controls .play-button{display:grid;place-items:center;flex:0 0 64px;width:64px;height:64px;min-width:64px;min-height:64px;padding:0;border-radius:50%;background:#145442;color:#fff;font-size:25px;line-height:1;box-shadow:0 4px 10px #14544224}
#audio-bar .playback-controls button:not(.play-button):not(:disabled):hover{background:var(--soft,#edf4ef)}
#audio-bar .playback-controls .play-button:hover{background:#0f4537}
#audio-bar button:disabled{opacity:.45;cursor:default;box-shadow:none}
#audio-bar :is(button,select,input):focus-visible{outline:3px solid #487cba;outline-offset:3px}
#audio-bar .audio-options{grid-area:auto;display:flex;grid-column:auto;justify-content:flex-end;align-items:center;flex-wrap:wrap;gap:8px}
#audio-bar .player-speed{display:flex;align-items:center;gap:8px}
#audio-bar .player-speed label{font-size:13px;color:var(--muted,#5d7168);white-space:nowrap}
#audio-bar #speed{width:82px;min-height:44px;padding:8px;border:1px solid var(--line,#dbe4df);border-radius:10px;background:var(--surface,#fff);color:var(--ink,#183e34);font-size:calc(14px * var(--system-scale,1));font-weight:600}
#audio-bar #repeat,#audio-bar .player-auto-next{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;min-width:0;flex:0 0 auto;margin:0;padding:8px 12px;border:1px solid var(--line,#dbe4df);border-radius:10px;background:var(--surface,#fff);color:var(--ink,#183e34);font-size:calc(14px * var(--system-scale,1));font-weight:500;text-decoration:none;white-space:nowrap}
#audio-bar .audio-options button span{display:inline;font-size:inherit}
#audio-bar #repeat .repeat-icon{font-size:21px;line-height:1}
#audio-bar #repeat .repeat-check{display:none}
#audio-bar #repeat[aria-pressed=true],#audio-bar .player-auto-next:has(input:checked){background:#e7f4dc;border-color:#9cbc86;color:#254b31}
#audio-bar #repeat[aria-pressed=true] .repeat-check{display:inline}
#audio-bar .player-auto-next input{width:18px;height:18px;min-height:18px;margin:0;accent-color:#145442}
#audio-bar .player-bottom-row{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line,#dbe4df);margin-top:12px;padding-top:12px}
#audio-bar .player-levels{display:flex;flex:0 1 auto;align-items:center;justify-content:flex-start;gap:10px;padding:0;flex-wrap:nowrap;min-width:0}
#audio-bar .player-levels>span{display:block;flex-shrink:0;color:var(--muted,#5d7168);font-size:14px}
#audio-bar .player-levels .segmented{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));flex:0 1 auto;width:auto;max-width:none;background:var(--soft,#edf4ef);border-radius:10px;padding:3px;gap:2px}
#audio-bar .player-levels button{min-width:58px;min-height:44px;padding:6px 12px;border-radius:7px;background:transparent;color:var(--muted,#5d7168);font-size:calc(14px * var(--system-scale,1));white-space:nowrap;overflow-wrap:normal}
#audio-bar .player-levels button.active{background:#145442;color:#fff;box-shadow:0 2px 5px #0c352520}
#audio-bar .player-lesson-nav{display:flex;flex:0 1 auto;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin:0;margin-inline-start:auto;padding:0;border:0}
#audio-bar .player-lesson-nav button,#audio-bar #open-settings{min-height:44px;min-width:0;padding:8px 14px;border:1px solid var(--line,#dbe4df);border-radius:10px;background:var(--surface,#fff);color:var(--pine,#145442);font-size:calc(14px * var(--system-scale,1));font-weight:600;line-height:1.5;white-space:nowrap;overflow-wrap:normal}
#audio-bar .player-lesson-nav [data-view=library]{background:var(--soft,#edf4ef);border-color:transparent}
#audio-bar #open-settings{flex:0 0 auto;display:flex;align-items:center;justify-content:center;gap:6px}
#audio-bar .player-lesson-nav button:not(:disabled):hover,#audio-bar #open-settings:hover,#audio-bar #repeat:not([aria-pressed=true]):hover{background:var(--soft,#edf4ef)}
#audio-bar .next-countdown{margin-bottom:12px;border:1px solid #cbdfb8;background:#edf7e4;padding:12px 14px;flex-wrap:wrap}
#audio-bar .next-countdown>div{min-width:0;flex:1 1 250px}
#audio-bar #countdown-title{max-width:none}
#audio-bar .next-countdown button{min-height:44px;font-size:14px}
@media(max-width:1100px){#audio-bar .player-top-row{grid-template-columns:minmax(150px,1fr) auto;gap:12px 24px}#audio-bar .audio-options{grid-column:1/-1;justify-content:flex-end}#audio-bar .audio-info>div{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:10px}#audio-bar #audio-status{grid-column:1}#audio-bar .player-caption{grid-column:2;grid-row:1/3;margin:0;align-self:center}#audio-bar #playing-collection{display:none}#audio-bar .player-bottom-row{flex-wrap:wrap}#audio-bar .player-lesson-nav{flex:1 1 auto}#audio-bar .player-levels button{min-width:52px}}
#audio-bar #player-options-toggle{display:none}
html{scroll-padding-bottom:calc(var(--audio-bar-height,0px) + 16px)}
@media(min-width:761px){:root[data-large-ui=true] #audio-bar .player-top-row,:root[data-large-ui=true] #audio-bar .player-bottom-row{display:flex;flex-wrap:wrap}:root[data-large-ui=true] #audio-bar .audio-info{flex:1 1 280px}:root[data-large-ui=true] #audio-bar .audio-options{flex:1 1 100%;justify-content:center}}
@media(max-width:760px){
  #audio-bar{padding:8px 14px max(8px,env(safe-area-inset-bottom));max-height:60dvh;overscroll-behavior:contain}
  #audio-bar .player-top-row{grid-template-columns:minmax(0,1fr) auto;gap:5px 10px}
  #audio-bar .audio-info{grid-column:1/-1}
  #audio-bar .audio-info>div{display:flex;align-items:center;gap:10px}
  #audio-bar #audio-label{flex:1;min-width:0;font-size:14px;line-height:1.5}
  #audio-bar #audio-status,#audio-bar .sentence-counter>span{display:none}
  #audio-bar .player-caption{flex:0 0 auto;margin:0}
  #audio-bar .sentence-counter{padding:2px 6px}
  #audio-bar .playback-controls{grid-column:1;justify-content:center;gap:16px}
  #audio-bar .playback-controls button{min-width:48px;min-height:48px;padding:6px}
  #audio-bar .playback-controls button span{display:none}
  #audio-bar .playback-controls .play-button{flex-basis:48px;width:48px;height:48px;min-width:48px;min-height:48px;font-size:22px}
  #audio-bar #player-options-toggle{display:flex;align-items:center;justify-content:center;gap:3px;grid-column:2;grid-row:2;min-height:44px;padding:8px 6px;border:0;border-radius:8px;background:var(--soft);color:var(--pine);font-size:14px}
  #audio-bar #player-options-toggle[aria-expanded=true] svg{transform:rotate(180deg)}
  #audio-bar:not([data-expanded=true]) .audio-options,#audio-bar:not([data-expanded=true]) .player-bottom-row{display:none}
  #audio-bar .audio-options{grid-column:1/-1;justify-content:flex-start;gap:8px;border-top:1px solid var(--line);padding-top:10px;margin-top:5px}
  #audio-bar .player-speed label{display:none}
  #audio-bar #speed{width:76px}
  #audio-bar #repeat,#audio-bar .player-auto-next{padding-inline:10px}
  #audio-bar .player-bottom-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;margin-top:10px;padding-top:10px}
  #audio-bar .player-levels{grid-column:1;grid-row:1;gap:6px}
  #audio-bar .player-levels>span{font-size:13px}
  #audio-bar .player-levels .segmented{flex:1;max-width:260px}
  #audio-bar .player-levels button{min-width:0;padding-inline:7px}
  #audio-bar #open-settings{grid-column:2;grid-row:1;padding-inline:10px}
  #audio-bar .player-lesson-nav{grid-column:1/-1;width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  #audio-bar .player-lesson-nav button{padding-inline:5px;white-space:normal;word-break:keep-all}
  #audio-bar .next-countdown{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px;padding:8px 10px;margin-bottom:8px;font-size:13px}
  #audio-bar .next-countdown>div{min-width:0}
  #audio-bar #countdown-title{display:none}
  #audio-bar .next-countdown button{min-height:44px;padding:6px 8px;font-size:13px}
  .reading-main .sentence{scroll-margin-block:16px;margin-inline:0;padding:16px 14px}
  .reading-main .sentence .en,.reading-main .sentence .ko,.reading-main .sentence-ipa{overflow-wrap:anywhere}
  .reading-main .sentence .ko{line-height:1.65}
  .reader-settings{flex-wrap:wrap}
}
@media(max-width:380px){#audio-bar{padding-inline:10px}#audio-bar .playback-controls{gap:8px}#audio-bar .player-levels>span{display:none}#audio-bar .player-bottom-row{gap:8px}}

.reading-title{background:var(--soft,#edf4ef);border-radius:16px;outline:2px solid var(--pine,#145442);outline-offset:8px;transition:background .2s}
#lesson-title{margin-top:18px}#lesson-title h2{margin:0}#play-title{position:relative;display:block;width:100%;padding:28px 0 0;border:0;border-radius:12px;background:transparent;text-align:start;color:inherit;cursor:pointer}#play-title #article-title,#play-title .article-title-en{display:block}#play-title .article-title-en{margin:0;font:650 clamp(25px,2.25vw,35px)/1.5 var(--sans);letter-spacing:-.6px;color:var(--reading-ink)}#play-title #article-title{margin-top:12px;font:400 18px/1.7 var(--sans);letter-spacing:0;color:var(--reading-ink)}.title-play-icon{position:absolute;top:0;right:3px;font:400 14px/1.5 var(--sans);color:var(--pine)}#play-title:focus-visible{outline:3px solid #487cba;outline-offset:8px}
#audio-bar .player-study-options{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;max-width:1380px;margin:10px auto 0;padding-top:10px;border-top:1px solid var(--line)}
#audio-bar .reader-settings{display:flex;flex-wrap:wrap;gap:14px;margin:0;padding:0;border:0}#audio-bar .reader-settings label{display:inline-flex;align-items:center;gap:7px;min-height:44px;font-size:13px;white-space:nowrap}#audio-bar .reader-settings input{width:18px;height:18px;margin:0;accent-color:#145442}
#audio-bar .article-save-row{display:flex;align-items:center;gap:8px;margin:0 0 0 auto}#audio-bar .article-save-row button{min-height:44px;font-size:13px;padding:8px 12px;white-space:nowrap}#audio-bar .pronunciation-style{margin:0;font-size:13px}#audio-bar .pronunciation-style select{min-height:44px;max-width:180px;font-size:13px}
@media(min-width:961px){.vocabulary-panel{max-height:calc(100dvh - var(--audio-bar-height,180px) - 16px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;padding-bottom:20px}}
@media(max-width:760px){#audio-bar:not([data-expanded=true]) .player-study-options{display:none}#audio-bar .player-study-options{gap:8px;margin-top:10px;padding-top:10px}#audio-bar .reader-settings{width:100%;gap:12px}#audio-bar .article-save-row{margin:0;width:100%}#audio-bar .article-save-row button{flex:1}#audio-bar .pronunciation-style{width:100%}#play-title #article-title{font-size:16px}}

#audio-bar .playback-controls .player-lesson-skip{min-width:64px}#audio-bar .player-lesson-skip svg{width:24px;height:24px}
@media(max-width:760px){#audio-bar .playback-controls{gap:4px}#audio-bar .playback-controls button,#audio-bar .playback-controls .player-lesson-skip{flex:0 0 44px;min-width:44px;width:44px;padding:4px}#audio-bar .playback-controls .play-button{flex-basis:48px;min-width:48px;width:48px}#audio-bar .player-lesson-nav{grid-template-columns:1fr}}
@media(max-width:380px){#audio-bar .player-top-row{column-gap:4px}#audio-bar .playback-controls{gap:2px}#audio-bar #player-options-toggle{font-size:12px;gap:1px;padding-inline:4px;min-width:52px}#audio-bar #player-options-toggle svg{width:12px}}

#audio-bar .player-listening-mode{display:inline-flex;align-items:center;margin:0;min-width:0;max-width:156px}
#audio-bar #listening-mode{width:100%;min-width:0;min-height:44px;padding:8px 25px 8px 10px;border:1px solid var(--line,#dbe4df);border-radius:10px;background:var(--soft,#edf4ef);color:var(--pine,#145442);font:600 13px/1.4 var(--sans);text-overflow:ellipsis}
@media(max-width:760px){#audio-bar .player-listening-mode{max-width:136px}#audio-bar .player-caption{gap:6px}#audio-bar #listening-mode{font-size:12px;padding-inline:8px 20px}}
@media(max-width:380px){#audio-bar .player-listening-mode{max-width:124px}#audio-bar .audio-info>div{gap:6px}}

/* Keep listening primary; reveal secondary controls on demand on every screen. */
#audio-bar:not([data-expanded=true]) :is(#player-audio-options,#player-lesson-options,#player-study-options){display:none}
#audio-bar :is(.player-top-row,.player-bottom-row,.player-study-options,.player-progress,.player-learning-order,.next-countdown){max-width:1120px;margin-inline:auto}
#audio-bar #player-options-toggle{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 14px;border:1px solid var(--line,#dbe4df);border-radius:12px;background:var(--surface,#fff);color:var(--pine,#145442);font-size:14px;white-space:nowrap}
#audio-bar #player-options-toggle[aria-expanded=true] svg{transform:rotate(180deg)}
#audio-bar .playback-seek-location:empty{display:none}
@media(min-width:761px){
  #audio-bar{padding:12px max(24px,3vw) max(16px,env(safe-area-inset-bottom));box-shadow:0 -8px 32px #183e340a}
  #audio-bar .player-top-row{grid-template-columns:minmax(220px,1fr) auto minmax(120px,1fr);gap:12px 24px}
  #audio-bar .audio-info>div{display:block}
  #audio-bar #audio-label{font-size:16px;font-weight:650}
  #audio-bar #audio-status{font-size:13px;margin-top:2px}
  #audio-bar .player-caption{margin-top:6px;gap:8px}
  #audio-bar .playback-controls{gap:10px}
  #audio-bar .playback-controls button,#audio-bar .playback-controls .player-lesson-skip{min-width:44px;width:44px;min-height:48px;padding:6px}
  #audio-bar .playback-controls button span{display:none}
  #audio-bar .playback-controls .play-button{width:56px;height:56px;min-width:56px;min-height:56px;flex-basis:56px;margin-inline:8px;font-size:24px}
  #audio-bar #player-options-toggle{justify-self:end;grid-column:3;grid-row:1}
  #audio-bar .audio-options{grid-column:1/-1;justify-content:flex-start;padding-top:16px;margin-top:4px;border-top:1px solid var(--line,#dbe4df)}
  #audio-bar .player-bottom-row{justify-content:flex-start;flex-wrap:wrap}
  #audio-bar .player-lesson-nav{flex:0 0 auto;margin-inline-start:auto}
  #audio-bar .player-study-options{padding-block:12px 2px}
  #audio-bar .reader-settings label,#audio-bar .pronunciation-style,#audio-bar .article-save-row button{font-size:14px}
}
@media(min-width:761px) and (max-width:900px){#audio-bar .player-top-row{grid-template-columns:minmax(180px,1fr) auto auto;gap:12px}#audio-bar .playback-controls{gap:2px}}
@media(max-width:760px){#audio-bar #player-options-toggle{gap:4px;padding:8px;font-size:14px}#audio-bar .player-top-row{row-gap:10px}}
@media(max-width:380px){#audio-bar #player-options-toggle{font-size:12px;gap:1px;padding-inline:4px}}

/* One aligned settings toolbar instead of two separated rows. */
@media(min-width:1100px){
 #audio-bar[data-expanded=true] .player-secondary-controls{display:flex;align-items:center;flex-wrap:wrap;gap:8px 14px;max-width:1120px;margin:12px auto 0;padding-top:12px;border-top:1px solid var(--line,#dbe4df)}
 #audio-bar[data-expanded=true] .player-secondary-controls :is(.player-bottom-row,.player-study-options){display:contents}
 #audio-bar .player-secondary-controls .player-levels{gap:8px;flex:0 0 auto}
 #audio-bar .player-secondary-controls .player-levels button{min-width:46px;padding-inline:10px}
 #audio-bar .player-secondary-controls .player-lesson-nav{flex:0 0 auto;margin:0}
 #audio-bar .player-secondary-controls .reader-settings{gap:10px;flex:0 0 auto}
 #audio-bar .player-secondary-controls .reader-settings label{font-size:13px}
 #audio-bar .player-secondary-controls .pronunciation-style{gap:8px;font-size:13px;white-space:nowrap}
 #audio-bar .player-secondary-controls .pronunciation-style select{max-width:130px}
 #audio-bar .player-secondary-controls .article-save-row{margin-inline-start:auto;gap:6px}
 #audio-bar .player-secondary-controls .article-save-row button{padding-inline:8px;font-size:13px}
}
@media(min-width:1100px){#audio-bar .player-secondary-controls .player-lesson-nav{width:auto;max-width:none}}

#audio-bar #player-voice-select{min-height:40px;border:1px solid var(--line,#dbe4df);border-radius:9px;background:var(--surface,#fff);color:var(--ink,#174b40);font:inherit;font-weight:600;padding:6px 22px 6px 10px;max-width:145px}
#audio-bar .player-caption{flex-wrap:wrap}