@font-face{font-family:Manrope;src:url('/fonts/manrope.ttf');font-weight:200 800;font-display:swap}
[hidden]{display:none!important}
:root{--ink:#17263c;--muted:#617187;--subtle:#657388;--stage-ink:#4b6390;--paper:#f7f8fa;--white:#fff;--line:#e5e9ef;--blue:#315be8;--blue-hover:#244acb;--sky:#eaf0ff;--green:#397769;--green-bg:#eaf5ef;--amber:#8d642c;--shadow:0 12px 40px #1d385107;--display:Manrope,-apple-system,sans-serif;--body:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,monospace}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:14px/1.6 var(--body);-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}button,a{touch-action:manipulation}button{border:0;background:none;cursor:pointer}button:disabled{cursor:default;opacity:.45}a{color:inherit;text-decoration:none}button,a{transition:background .18s,color .18s,border-color .18s,box-shadow .18s}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #809afa;outline-offset:3px}input,select{border:1px solid var(--line);border-radius:9px;background:var(--white)}h1,h2,h3,p{margin:0}h1{font-size:28px;line-height:1.35;letter-spacing:-.7px}h2{font-size:20px;line-height:1.4}h3{font-size:15px;line-height:1.5}.icon{width:20px;height:20px;flex:none;vertical-align:middle;stroke-width:1.7}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:10px 15px;border:1px solid var(--line);border-radius:10px;background:var(--white);font-size:13px;font-weight:550;white-space:nowrap}.btn:hover{background:var(--paper);border-color:#cdd5e2}.btn.primary{background:var(--blue);color:var(--white);border-color:var(--blue);box-shadow:0 4px 10px #315be819}.btn.primary:hover{background:var(--blue-hover)}.btn.soft{background:var(--sky);color:var(--blue);border-color:transparent}.btn.small{min-height:34px;padding:6px 10px;font-size:12px;border-radius:8px}.icon-button{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;flex:none}.icon-button:hover{background:var(--sky);color:var(--blue)}.icon-button .icon{width:19px;height:19px}.text-button{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:4px 7px;color:var(--blue);font-size:12px;border-radius:7px}.text-button:hover{background:var(--sky)}.label{font-size:11px;font-weight:650;letter-spacing:1.3px;color:var(--muted)}.mono{font-family:var(--mono)}.muted{color:var(--muted)}.badge{display:inline-flex;align-items:center;gap:5px;font-size:10px;padding:3px 7px;border-radius:5px;background:var(--paper);color:var(--muted);white-space:nowrap}.badge.ready{background:var(--green-bg);color:var(--green)}.badge.pending{background:#faf2e7;color:var(--amber)}.dot{width:5px;height:5px;border-radius:50%;background:var(--green);display:inline-block}.search-field{display:flex;align-items:center;gap:8px;padding:0 11px;min-height:42px;border:1px solid var(--line);background:var(--paper);border-radius:10px}.search-field:focus-within{border-color:#9bb1f5;box-shadow:0 0 0 3px #315be80a}.search-field>.icon{width:17px;color:var(--muted)}.search-field input{border:0;background:transparent;min-width:0;width:100%;padding:10px 0;outline:none!important;font-size:13px}.search-field input::placeholder{color:var(--subtle)}.empty{padding:28px 12px;text-align:center;color:var(--muted);font-size:13px;line-height:1.8}.empty>.icon{width:28px;height:28px;color:var(--subtle);margin-bottom:12px}.boot-state{min-height:100vh;display:grid;place-items:center;color:var(--muted)}.skip-link{position:fixed;left:15px;top:-60px;z-index:100;padding:12px;background:var(--blue);color:white;border-radius:8px}.skip-link:focus{top:15px}
/* A fixed desktop workspace; each collection has its own bounded scrolling area. */
.batch-notice{margin:10px 3px 0;padding:11px 10px;border:1px solid #d8e3fc;border-radius:9px;background:#f3f6ff;flex:none;min-width:0}.batch-heading{display:flex;justify-content:space-between;gap:7px;font-size:11px;color:var(--stage-ink)}.batch-heading strong{font-weight:600}.batch-heading>span{font:10px var(--mono);white-space:nowrap}.batch-notice progress{display:block;width:100%;height:4px;appearance:none;border:0;border-radius:4px;overflow:hidden;margin:8px 0;background:#dce5f8}.batch-notice progress::-webkit-progress-bar{background:#dce5f8}.batch-notice progress::-webkit-progress-value{background:var(--blue);border-radius:4px}.batch-notice progress::-moz-progress-bar{background:var(--blue)}.batch-notice>small{display:block;font-size:10px;color:var(--muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.batch-counts{display:block;font-size:9px;color:var(--subtle);margin-top:4px}
.library-scope{display:flex;gap:3px;padding:3px;background:var(--paper);border:1px solid var(--line);border-radius:9px;margin:0 3px 10px;flex:none}.library-scope button{flex:1;min-width:0;min-height:32px;padding:5px 3px;font-size:11px;white-space:nowrap;border-radius:6px;color:var(--muted)}.library-scope button[aria-pressed=true]{background:var(--sky);color:var(--blue);font-weight:600}.library-scope small{font:9px var(--mono);margin-left:2px}
.app-shell{height:100dvh;display:grid;grid-template-columns:76px 248px minmax(0,1fr);overflow:hidden}.rail{background:var(--white);border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding:22px 8px 14px;gap:10px;z-index:3}.brand{display:flex;align-items:center;flex-direction:column;gap:7px;margin-bottom:25px}.brand img{width:39px;height:39px;border-radius:12px;box-shadow:0 5px 12px #315be81c}.brand strong{font-size:11px;letter-spacing:2px;padding-left:2px}.rail-link{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;width:58px;min-height:64px;border-radius:13px;font-size:11px;color:var(--muted)}.rail-link:hover{background:var(--paper)}.rail-link.active{background:var(--sky);color:var(--blue);font-weight:600}.rail-link .icon{width:21px;height:21px}.rail-bottom{margin-top:auto;display:flex;flex-direction:column;gap:10px;align-items:center}.local-avatar{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:50%;font-size:11px;font-weight:600;color:var(--muted)}
.library{min-width:0;display:flex;flex-direction:column;border-right:1px solid var(--line);background:var(--white);padding:25px 17px 0;overflow:hidden}.library-brand{display:flex;align-items:center;justify-content:space-between;padding:0 3px 20px}.library-brand strong{font:750 16px var(--display);letter-spacing:-.4px}.library-brand small{font-size:10px;color:var(--muted)}.series-switcher{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}.series-choice{display:flex;align-items:center;gap:10px;text-align:left;padding:8px 9px;border-radius:10px;min-height:51px}.series-choice:hover{background:var(--paper)}.series-choice.active{background:var(--sky)}.series-choice>span:last-child{min-width:0;flex:1}.series-choice strong{display:block;font-size:12px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.series-choice small{display:block;font:500 9px var(--display);color:var(--muted);margin-top:1px;letter-spacing:.3px}.series-mini{display:grid;place-items:center;width:31px;height:34px;border-radius:6px;color:#2a578a;background:#dfe9f6;flex:none}.series-mini svg{width:21px;height:23px}.series-mini.amber{background:#f7ead1;color:#876635}.series-mini.sage{background:#e0ece7;color:#456b60}.series-mini.rose{background:#f1e3e3;color:#895c66}.series-mini.pink{background:#f5e4ed;color:#a16c8a}.library-divider{height:1px;background:var(--line);margin:0 3px 16px}.season-row{display:flex;justify-content:space-between;align-items:center;margin:0 3px 12px}.season-row label{font-size:11px;color:var(--muted)}.season-row select{max-width:120px;min-height:32px;font-size:12px;padding:3px 7px;background:var(--paper)}.episode-search{margin:0 3px 10px;min-height:35px;border-radius:8px}.episode-search input{font-size:11px;padding:7px 0}.episode-list{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#d5ddeb transparent;padding:1px 3px 16px}.episode-choice{display:flex;align-items:flex-start;gap:9px;width:100%;text-align:left;padding:11px 9px;border-radius:10px;margin-bottom:4px;min-height:66px;border:1px solid transparent}.episode-choice:hover{background:var(--paper)}.episode-choice.active{background:var(--white);border-color:#bacaf6;box-shadow:0 3px 10px #315be809}.episode-number{font:650 11px var(--mono);width:24px;color:var(--subtle);padding-top:2px}.episode-choice.active .episode-number{color:var(--blue)}.episode-choice>span:nth-child(2){min-width:0;flex:1}.episode-choice strong{font-size:12px;font-weight:600;display:block;line-height:1.5}.episode-choice small{font-size:10px;color:var(--muted);display:block;margin-top:5px}.episode-choice .dot{margin-right:4px;width:4px;height:4px}.episode-choice .icon{width:14px;color:var(--green);margin-top:2px}.library-bottom{padding:12px 3px 16px;border-top:1px solid var(--line);color:var(--muted);font-size:10px;display:flex;align-items:center;gap:7px}.library-bottom .icon{width:13px}.shell-main{min-width:0;display:flex;flex-direction:column;overflow:hidden}.topbar{min-height:74px;height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 30px;gap:18px;border-bottom:1px solid var(--line);background:var(--white)}.breadcrumb{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:12px}.breadcrumb strong{font-weight:600;color:var(--ink)}.top-actions{display:flex;align-items:center;gap:17px}.global-search{display:flex;align-items:center;gap:11px;border:1px solid var(--line);border-radius:9px;min-height:37px;padding:7px 11px;color:var(--muted);font-size:12px;background:var(--paper)}.global-search .icon{width:16px}.global-search kbd{border:1px solid #dde2e9;border-radius:4px;padding:0 4px;background:white;color:#98a1b0;font:10px/1.5 var(--mono)}.local-state{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 326px;min-height:0;flex:1;overflow:hidden}.reading-column{overflow:auto;min-width:0;padding:27px 30px 22px;scrollbar-width:thin;overscroll-behavior:contain}.episode-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.episode-heading .label{font-size:10px;letter-spacing:1.1px;margin-bottom:7px;display:block}.episode-heading h1{font-size:26px}.episode-subline{display:flex;align-items:center;gap:9px;margin-top:9px;color:var(--muted);font-size:11px}.episode-subline i{height:3px;width:3px;border-radius:50%;background:#b3bfcd}.episode-heading>.badge{align-self:flex-start;margin-top:3px}
/* The listening stage uses the decoded original clip to draw its waveform. */
.listening-stage{padding:21px 23px 18px;border:1px solid #d7e2fc;background:var(--sky);border-radius:17px;position:relative;overflow:hidden}.stage-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--stage-ink);font-size:11px}.stage-heading>span{display:flex;align-items:center;gap:7px}.stage-heading .icon{width:15px;height:15px}.stage-heading strong{font:650 10px var(--mono);color:var(--stage-ink);letter-spacing:.5px}.stage-center{display:flex;justify-content:center;align-items:center;gap:17px;margin:24px 0 21px}.play-main{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:var(--white);box-shadow:0 8px 22px #315be82a;flex:none}.play-main:hover{background:var(--blue-hover);box-shadow:0 8px 26px #315be842}.play-main .icon{width:25px;height:25px;stroke-width:1.8}.stage-current{min-width:150px}.stage-current strong{display:block;font:700 17px var(--display)}.stage-current small{display:block;font:10px var(--mono);color:var(--stage-ink);margin-top:6px}.waveform{height:59px;position:relative;margin:0 2px 9px}.waveform canvas{width:100%;height:100%;display:block}.waveform input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;margin:0}.waveform:focus-within{outline:2px solid var(--blue);outline-offset:4px;border-radius:8px}.stage-timeline{display:flex;justify-content:space-between;font:10px var(--mono);color:var(--stage-ink);margin-bottom:14px}.stage-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid #d1ddf6;padding-top:13px}.play-options{display:flex;align-items:center;gap:6px}.stage-controls .icon-button{height:30px;width:32px;border-radius:7px;color:var(--stage-ink)}.stage-controls .icon-button .icon{width:17px;height:17px}.stage-controls [aria-pressed=true]{background:#d6e2ff;color:var(--blue)}.speed-control{display:flex;align-items:center;font:600 11px var(--display);color:var(--stage-ink)}.speed-control select{min-height:30px;padding:3px;border:0;background:transparent;color:inherit;font:inherit}.audio-status{font-size:10px;color:var(--stage-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-error{font-size:12px;line-height:1.7;color:#945223;padding-top:12px}.stage-no-audio{min-height:195px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:13px;text-align:center;color:var(--muted);font-size:12px}.stage-no-audio-actions{display:flex;gap:9px;align-items:center;justify-content:center;flex-wrap:wrap}.stage-no-audio>.icon{width:31px;height:31px;color:#7893c5}.stage-no-audio p{max-width:330px}.stage-no-audio .btn{margin-top:3px}.sentence-card{margin-top:18px;background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.sentence-heading{padding:15px 20px 12px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;font-weight:600}.sentence-heading-actions{display:flex;gap:6px}.sentence-heading .text-button{font-size:11px;font-weight:400}.sentence-content{padding:8px 24px 24px;min-height:140px}.hidden-script{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;min-height:117px;gap:7px}.hidden-script>.icon{width:22px;color:#a5b2c5;margin-bottom:3px}.hidden-script strong{font-size:17px;font-weight:550;color:#52647e}.hidden-script p{font-size:12px;color:var(--muted)}.english-line{font:600 clamp(23px,2.1vw,32px)/1.65 var(--display);letter-spacing:-.45px;overflow-wrap:anywhere}.word{display:inline;padding:0 0 1px;border-bottom:1px solid transparent;border-radius:2px;font:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;text-align:inherit}.word:hover,.word.selected{color:var(--blue);border-bottom-color:#9fb4f4;background:#edf2ff}.chinese-line{font-size:14px;line-height:1.8;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:14px}.sentence-hint{display:flex;align-items:center;gap:5px;color:var(--subtle);font-size:10px;margin-top:17px}.sentence-hint .icon{width:13px;height:13px}.sentence-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 19px;background:#fdfdfe;border-top:1px solid var(--line)}.sentence-actions>.btn{font-size:12px}.sentence-next{display:flex;align-items:center;gap:7px}.sentence-next>.icon-button{border:1px solid var(--line);width:42px;height:42px}.keyboard-hint{display:flex;gap:17px;justify-content:center;color:var(--subtle);font-size:10px;margin:15px 0 22px}.keyboard-hint kbd{font:10px var(--mono);color:var(--muted);margin-right:4px}.queue-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 10px}.queue-heading h2{font-size:14px;font-weight:600}.queue-heading h2>small{font:400 11px var(--mono);margin-left:6px;color:var(--muted)}.queue-heading .text-button{font-size:10px}.line-list{max-height:230px;overflow:auto;border:1px solid var(--line);background:var(--white);border-radius:12px;padding:5px;scrollbar-width:thin;overscroll-behavior:contain;scrollbar-color:#d7deeb transparent}.line-row{display:flex;align-items:center;gap:11px;padding:8px 11px;border-radius:8px;min-height:43px;border:1px solid transparent}.line-row.active{background:var(--sky);border-color:#d5e1ff}.line-row>.line-no{font:10px var(--mono);color:var(--subtle);padding:5px;min-width:34px}.line-row.active>.line-no{color:var(--blue)}.line-row>.line-text{flex:1;min-width:0;font-size:12px;color:var(--muted)}.line-row .line-label{font-size:12px;padding:3px 0;text-align:left;width:100%;color:var(--muted)}.line-row small{font:9px var(--mono);color:var(--subtle);flex:none}.line-row>.icon{width:13px;height:13px;color:var(--green)}.line-row .word{font:500 12px/1.7 var(--display)}.completion-banner{padding:17px;border:1px solid #cce5d7;background:var(--green-bg);border-radius:12px;margin-top:17px;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--green)}.completion-banner .btn{margin-left:auto}.job-notice{margin:12px 0 0;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.job-notice .icon{width:16px}.whole-audio{margin-top:13px;border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--white)}.whole-audio>summary{cursor:pointer;font-size:11px;color:var(--muted)}.whole-audio audio{width:100%;height:38px;margin-top:12px}.whole-audio p{font-size:10px;color:var(--muted);margin-top:8px}
/* The inspector keeps definitions separate from original-sentence occurrences. */
.inspector{min-width:0;border-left:1px solid var(--line);background:var(--white);display:flex;flex-direction:column;overflow:hidden}.inspector-top{display:flex;align-items:center;justify-content:space-between;padding:25px 21px 15px}.inspector-top h2{font-size:14px;font-weight:650}.inspector-top small{font:9px var(--display);letter-spacing:1px;color:var(--subtle);display:block;margin-top:3px}.inspector-close{display:none}.inspector-search{margin:0 20px 17px}.inspector-search .icon-button{width:27px;height:32px}.inspector-body{flex:1;min-height:0;overflow:auto;padding:0 21px 24px;scrollbar-width:thin;overscroll-behavior:contain}.inspector-empty{padding:35px 1px 20px}.inspector-empty-graphic{position:relative;width:100px;height:95px;margin:0 auto 28px}.inspector-empty-graphic span{display:grid;place-items:center;position:absolute;border:1px solid #d8e3fc;border-radius:14px;background:#f3f6ff;font:650 25px var(--display);width:63px;height:64px;transform:rotate(-10deg);color:#829ddd;top:7px;left:1px}.inspector-empty-graphic span:last-child{left:43px;top:27px;transform:rotate(10deg);color:var(--blue);background:var(--sky)}.inspector-empty h3{font-size:15px;font-weight:550;text-align:center}.inspector-empty p{font-size:12px;color:var(--muted);line-height:1.9;text-align:center;margin-top:9px}.explorer-features{display:flex;flex-direction:column;gap:15px;margin-top:30px;border-top:1px solid var(--line);padding-top:25px}.explorer-features>span{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}.explorer-features .icon{width:17px;color:#839cc6}.word-heading{display:flex;align-items:center;justify-content:space-between;gap:9px}.word-heading h2{font:750 29px/1.3 var(--display);letter-spacing:-.7px;overflow-wrap:anywhere}.word-pronounce{display:flex;align-items:center;gap:6px;margin-top:6px;color:var(--muted);font:11px var(--display);flex-wrap:wrap}.word-pronounce .text-button{font-size:10px}.word-lemma{font-size:11px;color:var(--muted);margin-top:6px}.word-meanings{margin:19px 0 14px;display:flex;flex-direction:column;gap:8px;font-size:13px;line-height:1.9}.word-definition{font:400 12px/1.8 var(--display);color:var(--muted);margin-top:12px}.word-details{font-size:11px;color:var(--muted);margin-top:12px}.word-details summary{cursor:pointer;min-height:27px;color:var(--blue)}.word-details p{margin:5px 0;line-height:1.8}.word-details .word{font:500 12px var(--display)}.dictionary-source{font-size:9px;color:var(--subtle);line-height:1.8;margin:15px 0 20px}.word-save{width:100%;margin:0 0 23px;min-height:38px;font-size:12px}.word-save[aria-pressed=true]{background:var(--green-bg);color:var(--green);border-color:#d8e9de}.occurrence-heading{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:17px 0 12px;border-top:1px solid var(--line)}.occurrence-heading strong{font-size:13px;font-weight:600}.occurrence-heading small{font-size:10px;color:var(--muted)}.hit-card{border:1px solid var(--line);border-radius:11px;padding:13px 12px;margin-bottom:10px;background:#fdfdfe}.hit-source{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:10px;color:var(--muted);margin-bottom:8px}.hit-source>.icon-button{height:28px;width:28px;border:1px solid var(--line);border-radius:7px}.hit-source>.icon-button .icon{width:13px}.hit-source .playing{background:var(--sky);color:var(--blue)}.hit-card>p{font:500 13px/1.9 var(--display);overflow-wrap:anywhere}.hit-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:9px}.hit-bottom>.text-button{font-size:10px;min-height:25px;padding:2px 3px}.hit-bottom small{font:9px var(--mono);color:var(--subtle)}.hit-zh{font-size:11px;color:var(--muted);line-height:1.8;margin-top:8px}.hit-zh summary{font-size:10px;cursor:pointer}.hit-zh p{padding-top:5px}.load-more{width:100%;font-size:11px;margin-top:4px}.mobile-inspector-open{display:none}
/* Source collection and notebook use the same compact editorial system. */
.overview{grid-column:1/-1;overflow:auto;padding:35px 36px}.overview-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:25px}.overview-heading h1{font-size:30px}.overview-heading p{font-size:13px;color:var(--muted);margin-top:10px}.overview-stats{display:flex;gap:24px;font-size:11px;color:var(--muted);margin-top:18px}.overview-stats strong{font:700 19px var(--display);margin-right:5px;color:var(--ink)}.collection-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.collection-card{background:var(--white);border:1px solid var(--line);border-radius:15px;overflow:hidden;display:flex;flex-direction:column}.collection-cover{height:180px;position:relative;padding:20px 21px;color:#2b5886;background:#dce8f5;overflow:hidden}.collection-cover.amber{background:#eee3cd;color:#7d6136}.collection-cover.sage{background:#dde9e3;color:#44685c}.collection-cover.rose{background:#ede0e3;color:#80545e}.collection-cover.pink{background:#f0e0e9;color:#946b87}.collection-cover>small{font:9px var(--mono);letter-spacing:1.3px}.collection-cover>strong{display:block;font:800 20px/1.25 var(--display);letter-spacing:-.5px;max-width:180px;margin-top:17px;position:relative;z-index:1}.collection-cover>svg{width:140px;height:140px;position:absolute;right:-10px;bottom:-25px;opacity:.25;transform:rotate(-10deg)}.collection-body{padding:20px;display:flex;flex-direction:column;flex:1}.collection-body h2{font-size:17px}.collection-body p{color:var(--muted);font-size:11px;margin-top:5px}.collection-numbers{display:flex;justify-content:space-between;margin:19px 0;font-size:10px;color:var(--muted);border-top:1px solid var(--line);padding-top:15px}.collection-numbers strong{display:block;color:var(--ink);font:700 17px var(--display);margin-bottom:4px}.collection-body>.btn{margin-top:auto;width:100%;font-size:12px}.resource-report{border:1px solid var(--line);background:var(--white);border-radius:13px;padding:20px 22px;margin-top:25px;font-size:12px}.resource-report summary{cursor:pointer;font-weight:600}.resource-report p{font-size:11px;color:var(--muted);line-height:1.9;margin-top:12px;overflow-wrap:anywhere}.resource-report table{width:100%;border-collapse:collapse;font-size:11px;margin:18px 0}.resource-report th,.resource-report td{padding:9px;text-align:left;border-bottom:1px solid var(--line)}.resource-report th{font-weight:500;color:var(--muted)}.notebook-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.notebook-card{border:1px solid var(--line);border-radius:13px;background:var(--white);padding:20px}.notebook-card>button{font:700 23px var(--display);padding:0}.notebook-card>button:hover{color:var(--blue)}.notebook-card p{font-size:12px;color:var(--muted);margin:12px 0 18px}.notebook-card>div{display:flex;justify-content:space-between;gap:9px}.notebook-empty{grid-column:1/-1;background:var(--white);border:1px dashed #cfd7e5;border-radius:13px;padding:60px 25px;text-align:center;color:var(--muted)}.notebook-empty p{margin:13px 0 20px;font-size:13px}
.inspector.floating{display:none;position:fixed;z-index:20;right:0;top:0;bottom:0;width:350px;box-shadow:-20px 0 80px #17263c20}.inspector.floating.open{display:flex}.inspector.floating .inspector-close{display:grid}
dialog{padding:0;border:1px solid var(--line);border-radius:18px;background:var(--white);color:var(--ink);box-shadow:0 24px 100px #17263c36;width:min(720px,calc(100vw - 60px));max-height:85dvh}dialog::backdrop{background:#17263c65;backdrop-filter:blur(5px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 23px 13px}.dialog-heading h2{font-size:19px}.dialog-content{padding:0 23px 24px}.dialog-content>p{font-size:12px;color:var(--muted);line-height:1.9;margin-bottom:16px}.dialog-search{display:flex;gap:10px;margin-bottom:17px}.dialog-search .search-field{flex:1}.search-results{max-height:55dvh;overflow:auto;padding-right:5px;scrollbar-width:thin}.search-summary{font-size:11px;color:var(--muted);margin-bottom:12px}.search-results .hit-card{padding:15px}.search-results .hit-card>p{font-size:15px}.timing-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.timing-fields label{font-size:12px;color:var(--muted)}.timing-fields input{width:100%;display:block;margin-top:8px;min-height:44px;padding:10px;font-family:var(--mono)}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:12px;color:var(--muted);margin:20px 0}.help-grid kbd{display:inline-block;min-width:45px;color:var(--ink);font:11px var(--mono)}.error{font-size:12px;color:#a04a47;margin-top:12px}.spinner{animation:spin 1.2s linear infinite}.small-loading{padding:20px 0;font-size:12px;color:var(--muted)}#toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,10px);background:var(--ink);color:white;border-radius:10px;box-shadow:0 8px 25px #17263c25;padding:12px 19px;font-size:12px;z-index:100;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:80vw}#toast.visible{opacity:1;transform:translate(-50%,0)}@keyframes spin{to{transform:rotate(360deg)}}
@media(min-width:1600px){.app-shell{grid-template-columns:82px 274px minmax(0,1fr)}.workspace{grid-template-columns:minmax(0,1fr) 358px}.reading-column{padding:32px 40px 25px}.topbar{padding:0 40px}.library{padding-left:20px;padding-right:20px}.episode-heading{margin-bottom:25px}.listening-stage{padding:24px 29px 20px}.stage-center{margin:28px 0 24px}.waveform{height:66px}.sentence-content{min-height:155px;padding:10px 28px 28px}.sentence-heading{padding:17px 23px 13px}.line-list{max-height:260px}.inspector-top{padding:30px 25px 20px}.inspector-body{padding-left:25px;padding-right:25px}.inspector-search{margin-left:24px;margin-right:24px}}
@media(max-width:1279px){.app-shell{grid-template-columns:68px 222px minmax(0,1fr)}.workspace{grid-template-columns:minmax(0,1fr)}.reading-column{padding:25px 28px}.inspector{display:none;position:fixed;z-index:20;right:0;top:0;bottom:0;width:350px;box-shadow:-20px 0 80px #17263c20}.inspector.open{display:flex}.inspector-close{display:grid}.mobile-inspector-open{display:inline-flex}.collection-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.notebook-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar{padding:0 27px}.local-state{display:none}}
@media(max-height:800px){.library{padding-top:20px}.library-brand{padding-bottom:14px}.series-switcher{margin-bottom:12px;gap:1px}.series-choice{min-height:45px;padding-top:5px;padding-bottom:5px}.library-divider{margin-bottom:12px}.reading-column{padding-top:22px}.episode-heading{margin-bottom:17px}.episode-heading h1{font-size:24px}.listening-stage{padding:15px 20px 12px}.stage-center{margin:16px 0 14px}.waveform{height:41px}.stage-timeline{margin-bottom:11px}.sentence-card{margin-top:15px}.sentence-content{padding-bottom:18px;min-height:125px}.hidden-script{min-height:100px}.keyboard-hint{margin:12px 0 19px}.inspector-top{padding-top:22px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.context-preview{margin:12px auto 0;max-width:460px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--white);text-align:left}.context-preview strong{font:600 12px var(--body);color:var(--stage-ink)}.stage-no-audio .context-preview p{margin:7px 0 10px;font-size:11px;line-height:1.7;max-width:none}.context-preview audio{width:100%;height:36px;display:block}

.next-autoplay{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--muted);cursor:pointer;white-space:nowrap;margin-right:6px}.next-autoplay input{width:15px;height:15px;margin:0;accent-color:var(--blue);cursor:pointer}.sentence-next{flex-wrap:wrap;justify-content:flex-end}

.series-mini.honey,.collection-cover.honey{background:#fff0cf;color:#8b5b28}
.stage-heading .media-switch{display:inline-flex;gap:2px;padding:3px;background:#fff9;border:1px solid #bdcced;border-radius:8px;margin-left:auto;flex:none}
.media-switch button{padding:5px 12px;border-radius:5px;font-size:11px;color:#587099;min-height:28px}
.media-switch button[aria-pressed=true]{background:var(--blue);color:white;box-shadow:0 2px 5px #315be822}
.media-switch button:disabled{opacity:.45;cursor:not-allowed}
.stage-heading .media-switch+strong{font-size:9px;letter-spacing:0;margin-left:8px}
.video-stage{background:#edf2fd}.video-frame{position:relative;background:#101927;border-radius:10px;overflow:hidden;aspect-ratio:16/9;max-height:300px;margin-top:15px}
#video-holder,#clip-video{width:100%;height:100%;display:block}#clip-video{object-fit:contain}#clip-video[hidden]{display:none}
.video-frame .play-main{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:54px;height:54px;background:#315be8dc;box-shadow:0 3px 20px #0005;transition:opacity .15s}
.video-frame.is-playing .play-main{opacity:0}.video-frame:hover .play-main,.video-frame .play-main:focus-visible{opacity:1}
.stage-center.video-caption{padding:12px 0 0;min-height:0;margin:0}.video-caption .stage-current{display:flex;align-items:center;justify-content:space-between;width:100%;gap:12px}.video-caption .stage-current strong{font-size:12px}.video-caption .stage-current small{margin:0;font-size:10px}
.waveform.video-seek{height:14px;margin:10px 0 0}.video-seek input#audio-seek{opacity:1;cursor:pointer;accent-color:var(--blue);height:14px}
.media-availability{font-size:10px;color:var(--muted);margin-top:12px}
@media(prefers-reduced-motion:reduce){.video-frame .play-main{transition:none}}
.video-active .episode-heading{margin-bottom:12px}.video-active .episode-heading h1{font-size:21px}.video-active .episode-heading .label{margin-bottom:4px}.video-active .episode-subline{margin-top:5px}
.listening-stage.video-stage{padding:15px 20px 12px}.video-stage .video-frame{width:100%;height:clamp(235px,28vh,330px);max-height:330px;aspect-ratio:auto;margin-top:12px}.video-stage .stage-controls{padding-top:7px}.video-stage .stage-timeline{margin-bottom:7px}
.video-caption .stage-current{width:auto;flex:1;justify-content:flex-start;gap:9px}.video-caption .stage-current small{font-size:9px}.video-caption .sentence-heading-actions{flex:none}.video-caption .btn.small{font-size:10px;min-height:29px;padding:4px 9px}
.video-active #sentence-card{margin-top:13px}.video-active #sentence-card>.sentence-heading,.video-active #sentence-card>.sentence-content{display:none}
.video-subtitles{position:absolute;left:4%;right:4%;bottom:10px;text-align:center;background:#101927d9;border-radius:7px;padding:7px 10px;max-height:65%;overflow:auto}.video-subtitles[hidden]{display:none}
.video-subtitles .english-line{font-size:15px;line-height:1.5;color:#fff;font-weight:500;margin:0}.video-subtitles .word{color:inherit;border-color:#ffffff70}.video-subtitles .word:hover,.video-subtitles .word:focus-visible{background:#ffffff25;color:#fff}.video-subtitles .chinese-line{color:#e4ebf9;border:0;font-size:11px;line-height:1.5;margin:3px 0 0;padding:0}
.batch-notice.complete{padding:9px 10px}.batch-notice.complete progress,.batch-notice.complete>small,.batch-notice.complete .batch-counts{display:none}

/* Two rows: settings above, frequent actions immediately before completion. */
.lesson-dock{position:relative;z-index:4;border:1px solid var(--line);border-radius:14px;background:var(--white);box-shadow:0 -6px 24px #17263c0c;isolation:isolate}
.lesson-settings-row{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:12px 16px;overflow-x:auto}
.lesson-media-settings{display:flex;align-items:center;gap:10px;flex:none;white-space:nowrap}
.lesson-dock .media-switch{display:inline-flex;gap:2px;padding:2px;border:1px solid var(--line);background:var(--paper);border-radius:8px}
.lesson-dock .media-switch button{min-height:27px;padding:4px 10px}.lesson-dock .speed-control{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted)}.lesson-dock .speed-control select{min-height:32px;padding:4px;background:var(--paper)}
.lesson-settings-row .text-button{font-size:11px;min-height:30px;color:var(--muted)}.lesson-settings-row .icon{width:15px;height:15px}.lesson-settings-row [aria-pressed=true]{color:var(--blue);background:var(--sky)}.lesson-settings-row .next-autoplay{font-size:10px;margin:0}
.lesson-playback{display:flex;align-items:center;gap:7px;flex:none}.lesson-playback>.btn{font-size:12px;min-height:38px;padding:8px 13px;gap:6px}.lesson-playback .icon{width:18px;height:18px}.lesson-playback [data-action=play-current]{min-width:82px}
.repeat-status{margin-right:auto;font:10px var(--mono);color:var(--muted);white-space:nowrap}.repeat-status:empty{display:none}
.lesson-dock .sentence-actions{justify-content:space-between;padding:12px 16px;border-radius:0 0 14px 14px;gap:12px;flex-wrap:nowrap;overflow-x:auto}.lesson-dock .sentence-next{margin-left:auto;gap:9px;flex-wrap:nowrap;flex:none}.lesson-dock .sentence-actions>.btn{min-height:38px;padding:8px 11px}.lesson-dock .sentence-next>.btn{font-size:12px;min-height:38px;padding:8px 18px;min-width:150px}.lesson-dock .sentence-next>.icon-button{height:38px;width:38px}
.video-active #sentence-card{display:none}.lesson-dock [data-action=reveal][aria-pressed=true]{background:var(--sky);border-color:#bdcced;color:var(--blue)}
/* Keep the dock outside the scrolling transcript, so controls never scroll the video away. */
.reading-column:has(>.lesson-dock){display:flex;flex-direction:column;padding:0;overflow:hidden}
.reading-content{min-height:0;flex:1;overflow:auto;padding:27px 30px 22px;scrollbar-width:thin;overscroll-behavior:contain}
.reading-column>.lesson-dock{flex:none;margin:10px 30px 16px}
@media(max-height:800px){.video-stage .video-frame{height:clamp(180px,28vh,220px)}.reading-content{padding-top:22px}.reading-column>.lesson-dock{margin-top:8px;margin-bottom:10px}}

/* Current sentence position, sharing the queue's dialogue-only count. */
.episode-title-row{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.episode-title-row h1{flex:none}
.episode-progress{width:210px;max-width:100%;padding-top:2px}.episode-progress-label{display:flex;justify-content:space-between;gap:12px;font:10px var(--mono);color:var(--muted);margin-bottom:7px}.episode-progress-label strong{font-weight:600;color:var(--ink)}
.episode-progress progress{display:block;width:100%;height:6px;appearance:none;border:0;border-radius:6px;overflow:hidden;background:#dfe6f5}.episode-progress progress::-webkit-progress-bar{background:#dfe6f5;border-radius:6px}.episode-progress progress::-webkit-progress-value{background:var(--blue);border-radius:6px}.episode-progress progress::-moz-progress-bar{background:var(--blue);border-radius:6px}

/* Local magazine lessons use an editorial page within the listening workspace. */
.article-hub-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:28px}.article-hub-heading h1{margin:7px 0 10px}.article-hub-heading p,.article-hub-footnote{font-size:13px;color:var(--muted)}.article-sample-label{font-size:11px;color:var(--green);padding-top:5px;white-space:nowrap}
.article-course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.article-course{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-top:3px solid #72958c;border-radius:12px;padding:27px;min-height:340px}.article-course-meta{display:flex;justify-content:space-between;gap:12px;font:11px var(--mono);color:var(--muted)}.article-course-meta span:last-child{font-family:var(--body);color:var(--green)}.article-course-english{font:500 30px/1.3 Georgia,'Times New Roman',serif;letter-spacing:-.4px;color:var(--ink);margin:26px 0 13px;max-width:440px}.article-course h2{font-size:17px;font-weight:600}.article-course-facts{display:flex;gap:17px;font-size:11px;color:var(--muted);margin:16px 0 24px}.article-course-progress{margin-top:auto;margin-bottom:19px;font-size:11px;color:var(--muted)}.article-course-progress progress{display:block;width:100%;height:5px;margin-top:9px;accent-color:var(--blue)}.article-course>.btn{align-self:flex-start;min-width:130px}.article-hub-footnote{margin-top:24px;font-size:11px}
.article-mode-tabs{display:flex;align-items:center;gap:4px;margin:15px 0;padding:4px;width:fit-content;border:1px solid var(--line);border-radius:10px;background:var(--white)}.article-mode-tabs button{display:flex;align-items:center;gap:6px;font-size:12px;padding:8px 12px;border-radius:7px;color:var(--muted);min-height:35px}.article-mode-tabs .icon{width:16px;height:16px}.article-mode-tabs [aria-pressed=true]{background:var(--sky);color:var(--blue);font-weight:600}
.article-current-translation,.article-study-notes{margin-top:13px;border:1px solid var(--line);border-radius:11px;background:var(--white);padding:12px 15px;font-size:12px;color:var(--muted)}.article-current-translation>summary,.article-study-notes>summary{cursor:pointer;font-weight:550;color:var(--ink);min-height:22px}.article-study-notes>summary>span{font-size:10px;color:var(--muted);font-weight:400;margin-left:8px}.article-current-translation>p{font-size:13px;line-height:1.9;margin:12px 0 3px;color:var(--muted)}.article-study-notes{margin-bottom:15px}.article-notes-body{padding-top:12px;font-size:12px;line-height:1.9}.article-notes-body h3{font-size:13px;margin:17px 0 8px;color:var(--ink)}.article-notes-body>p{margin:8px 0}.article-explanation{border-top:1px solid var(--line);padding:10px 0}.article-explanation>summary{cursor:pointer;font-size:13px;color:var(--blue);line-height:1.7}.article-explanation p{margin:9px 0;overflow-wrap:anywhere}.article-note-source{font-size:10px;color:var(--subtle);border-top:1px solid var(--line);padding-top:12px}
.article-fulltext,.article-source{display:none}.article-read-mode .article-fulltext,.article-source-mode .article-source{display:block}.article-read-mode #listening-stage,.article-read-mode #sentence-card,.article-source-mode #listening-stage,.article-source-mode #sentence-card,.article-read-mode .keyboard-hint,.article-source-mode .keyboard-hint,.article-source-mode .lesson-queue,.article-source-mode #article-note-slot,.article-source-mode .whole-audio{display:none}
.article-text-heading{margin:22px 0 25px}.article-text-heading h2{font:500 28px/1.35 Georgia,'Times New Roman',serif;margin:9px 0 12px}.article-text-heading>p{font-size:11px;color:var(--muted)}.article-paragraph{margin-bottom:19px;padding:16px 16px 16px 10px;border:1px solid var(--line);border-radius:11px;background:var(--white)}.article-paragraph-label{font:10px var(--mono);color:var(--muted);padding:0 0 10px 34px}.article-text-sentence{display:flex;align-items:flex-start;gap:7px;padding:5px 4px;border-radius:7px}.article-text-sentence.current{background:var(--sky)}.article-text-sentence>.icon-button{width:25px;height:30px;flex:none;color:var(--blue)}.article-text-sentence .icon-button .icon{width:14px;height:14px}.article-text-sentence>p{font:400 17px/1.9 var(--display);letter-spacing:-.15px;overflow-wrap:anywhere}.article-paragraph-translation{margin:14px 4px 0 35px;border-top:1px solid var(--line);padding-top:10px}.article-paragraph-translation>summary{cursor:pointer;font-size:11px;color:var(--blue)}.article-paragraph-translation>p{font-size:13px;line-height:1.9;color:var(--muted);margin-top:12px}
.article-source-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;flex-wrap:wrap;margin:20px 0}.article-source-heading h2{font-size:17px}.article-source-heading p{font-size:11px;color:var(--muted);margin-top:6px}.article-source-links{display:flex;gap:7px;flex-wrap:wrap}.article-source-links .btn{font-size:10px}.article-source-links .icon{width:14px;height:14px}.article-source iframe{width:100%;height:620px;border:1px solid var(--line);border-radius:10px;background:white}
.article-lesson .listening-stage{padding:13px 18px 11px}.article-lesson .stage-center{margin:12px 0}.article-lesson .play-main{width:48px;height:48px}.article-lesson .play-main .icon{width:21px;height:21px}.article-lesson .waveform{height:28px}.article-lesson .stage-timeline{margin-bottom:8px}.article-lesson .stage-controls{padding-top:8px}.article-lesson .sentence-content{min-height:110px;padding:7px 18px 16px}.article-lesson .sentence-heading{padding:12px 18px 8px}.article-lesson .hidden-script{min-height:78px}.article-lesson .english-line{font-size:24px;line-height:1.65}
.reading-column:has(>.lesson-dock){container-type:inline-size}
@container(max-width:700px){.lesson-dock .sentence-actions{gap:7px;padding:10px}.lesson-dock .sentence-next{gap:6px}.lesson-playback{gap:5px}.lesson-playback>.btn{font-size:11px;padding:8px 9px;gap:4px}.lesson-playback .icon{width:16px;height:16px}.lesson-playback [data-action=play-current]{min-width:57px}.lesson-dock .sentence-next>.btn{min-width:124px;padding:8px 10px;font-size:11px}.lesson-dock .sentence-next>.icon-button{width:32px}.lesson-dock .sentence-actions>.btn{font-size:11px;padding:8px}.lesson-dock .sentence-actions>.btn .icon{width:16px}}
.article-mode-tabs{position:sticky;top:0;z-index:2;box-shadow:0 3px 12px #17263c06}

.article-translation-note{padding:10px 12px;border-left:2px solid #72958c;background:#edf4f1;font-size:11px!important;line-height:1.8;color:#45695f!important}

.article-source-pages{display:grid;gap:20px}.article-source-pages figure{margin:0}.article-source-pages img{display:block;width:100%;height:auto;border:1px solid var(--line);background:white}.article-source-pages figcaption{text-align:center;font:11px var(--mono);color:var(--muted);padding:8px}.article-source-mode .lesson-dock{display:none}

.article-months{display:flex;gap:10px;margin:24px 0 30px}.article-months button{display:flex;align-items:baseline;gap:15px;min-width:125px;padding:13px 18px;border:1px solid var(--line);border-radius:10px;background:white;color:var(--muted)}.article-months button strong{font-size:16px;font-weight:600}.article-months button small{font-size:11px}.article-months [aria-pressed=true]{border-color:var(--blue);background:var(--sky);color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}.article-month-heading{display:flex;align-items:center;gap:14px;margin-bottom:18px}.article-month-heading h2{font-size:16px}.article-month-heading>span{font-size:11px;color:var(--muted)}.article-course-meta span:last-child{max-width:65%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.article-course-english{font-size:26px}.article-course{min-height:340px}.article-hub .article-course-grid>.empty{grid-column:1/-1}

.article-audio-note{margin:12px 0 18px;padding:12px 15px;border:1px solid #d5dfdb;border-left:3px solid #72958c;border-radius:8px;font-size:12px;line-height:1.85;background:#edf4f1;color:#45695f}.article-reference-full{margin:25px 0;border:1px solid var(--line);padding:16px;border-radius:10px;background:white}.article-reference-full>summary{cursor:pointer;font-size:13px;font-weight:600}.article-reference-paragraph{margin-top:20px}.article-reference-paragraph h3{font-size:11px;color:var(--muted);margin-bottom:8px}.article-reference-paragraph>p{font-size:15px;line-height:1.9}

/* Account entry uses the listening workspace palette and quiet waveform motif. */
.account-page{min-height:100dvh;display:grid;grid-template-columns:minmax(320px,.9fr) minmax(400px,1.1fr);background:var(--white)}.account-intro{padding:48px clamp(30px,6vw,96px);background:var(--sky);display:flex;flex-direction:column;justify-content:space-between;border-right:1px solid #dce4f5}.account-brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:650;letter-spacing:1px}.account-brand img{width:38px;height:38px}.account-brand span{font:11px var(--mono);letter-spacing:1.7px;color:var(--stage-ink);margin-left:7px}.account-preview{padding:75px 0}.account-preview-tag{font-size:11px;color:var(--stage-ink);letter-spacing:1px}.account-wave{display:flex;align-items:center;gap:8px;height:130px}.account-wave i{width:7px;border-radius:8px;background:var(--blue);opacity:.7}.account-wave i:nth-child(3n){opacity:.25}.account-preview>p{font:600 clamp(22px,2.4vw,34px)/1.5 var(--body);letter-spacing:-.8px}.account-preview-line{display:flex;gap:25px;font-size:12px;color:var(--stage-ink);margin-top:20px}.account-footnote{font-size:12px;line-height:1.9;color:var(--stage-ink)}.account-panel{display:flex;align-items:center;justify-content:center;padding:50px 32px}.account-form-wrap{width:min(100%,390px)}.account-form-wrap h1{font-size:26px;letter-spacing:-.5px;margin:12px 0}.account-description{color:var(--muted);font-size:13px;line-height:1.8;margin-bottom:27px}.account-legacy{display:grid;gap:6px;padding:15px 17px;border:1px solid #dbe7e1;border-radius:10px;background:var(--green-bg);margin:20px 0 25px;color:var(--green);font-size:12px;line-height:1.8}.account-legacy strong{font-size:13px}.account-legacy small{font-size:11px}.account-form-wrap form{display:grid;gap:18px}.account-form-wrap form>label:not(.account-remember){display:grid;gap:7px;font-size:12px;font-weight:550}.account-form-wrap input:not([type=checkbox]){padding:12px 13px;width:100%;min-height:46px;background:#fafbfd;font-size:14px}.account-form-wrap input::placeholder{color:#7b8798;font-size:12px;font-weight:400}.account-remember{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--muted);font-weight:400}.account-remember input{accent-color:var(--blue);width:16px;height:16px;margin:0}.account-submit{width:100%;min-height:46px}.account-error{min-height:0;color:#ac3c3c;font-size:12px;line-height:1.7}.account-error:empty{display:none}.account-switch{margin-top:24px;font-size:12px;color:var(--muted);text-align:center}.account-switch button{color:var(--blue);padding:8px}.account-dialog{padding:0;width:min(480px,calc(100% - 32px));border:1px solid var(--line);border-radius:16px}.account-dialog-heading{display:flex;align-items:center;justify-content:space-between;padding:22px 25px;border-bottom:1px solid var(--line)}.account-dialog-heading h2{margin-top:6px}.account-dialog-body{padding:23px 25px;max-height:70dvh;overflow:auto;font-size:13px;color:var(--muted)}.account-dialog-body section{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}.account-dialog-body h3{color:var(--ink);font-size:13px;margin-bottom:9px}.account-dialog-body section>p{margin:9px 0}.account-dialog-body small{font-size:11px;line-height:1.8}.account-url{font:14px var(--mono);color:var(--blue);user-select:all}.account-invite{font:13px/1.9 var(--mono);color:var(--blue);user-select:all;overflow-wrap:anywhere}.account-dialog-body>#account-logout{width:100%;margin-top:24px}.local-avatar{cursor:pointer}.local-avatar:hover{background:var(--sky);color:var(--blue)}
@media(max-width:700px){.account-page{display:block}.account-intro{padding:22px 24px;border:0;border-bottom:1px solid #dce4f5}.account-preview,.account-footnote{display:none}.account-brand{font-size:18px}.account-brand span{font-size:10px}.account-panel{padding:34px 24px}.account-form-wrap h1{font-size:24px}.account-form-wrap input:not([type=checkbox]){font-size:16px}.account-dialog-heading,.account-dialog-body{padding:18px 20px}}
.mobile-library-toggle{display:none}
@media(max-width:700px){.app-shell{display:block}.rail{position:fixed;left:0;right:0;bottom:0;height:calc(62px + env(safe-area-inset-bottom));padding:5px 8px calc(5px + env(safe-area-inset-bottom));border:0;border-top:1px solid var(--line);flex-direction:row;justify-content:space-around;gap:0;z-index:25}.rail .brand{display:none}.rail .rail-link{width:57px;min-height:48px;height:48px;gap:3px;padding:5px 2px;font-size:10px;border-radius:9px}.rail-link .icon{width:20px;height:20px}.rail-bottom{margin:0;flex-direction:row;gap:0}.rail-bottom>.icon-button{display:none}.rail-bottom .local-avatar{width:35px;height:35px;font-size:12px}.shell-main{height:calc(100dvh - 62px - env(safe-area-inset-bottom))}.topbar{height:56px;min-height:56px;padding:0 13px;gap:10px}.mobile-library-toggle{display:inline-flex;flex:none}.topbar .breadcrumb{flex:1;font-size:11px;gap:6px;min-width:0}.topbar .breadcrumb>span:first-child{display:none}.topbar .breadcrumb>span:nth-child(2){display:none}.topbar .breadcrumb>strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.top-actions{gap:5px}.global-search{width:34px;min-width:34px;height:34px;padding:8px}.global-search span,.global-search kbd{display:none}.mobile-inspector-open{font-size:11px;padding:6px}.workspace{display:flex;flex-direction:column}.reading-column{padding:0;flex:1}.reading-content{padding:18px 14px}.library{display:none;position:fixed;top:56px;left:0;bottom:calc(62px + env(safe-area-inset-bottom));width:min(325px,90vw);box-shadow:20px 0 80px #17263c25;z-index:24;padding-top:17px}.library-open .library{display:flex}.inspector{width:min(100%,380px);bottom:calc(62px + env(safe-area-inset-bottom))}.episode-heading h1{font-size:24px}.episode-heading{gap:12px}.episode-meta{font-size:11px;flex-wrap:wrap}.listening-stage{padding:15px 14px}.video-stage .video-frame{height:auto;min-height:160px;aspect-ratio:16/9}.sentence-content{padding:10px 17px 17px}.english-line,.article-lesson .english-line{font-size:21px}.lesson-dock{border-radius:10px;margin:8px!important}.lesson-dock .lesson-settings,.lesson-dock .sentence-actions{overflow-x:auto;justify-content:flex-start}.lesson-dock .sentence-actions{gap:7px;flex-wrap:nowrap;padding:10px}.lesson-dock .sentence-actions>*{flex-shrink:0}.lesson-dock .sentence-next{margin-left:auto}.keyboard-hint{display:none}.collection,.notebook,.article-hub{padding:22px 16px}.collection-grid,.notebook-grid,.article-course-grid{grid-template-columns:1fr}.article-months{overflow-x:auto;gap:7px}.article-months button{min-width:97px;padding:10px 12px;gap:8px}.article-course{min-height:290px}.article-source-links{gap:5px}.lesson-settings{white-space:nowrap}.account-dialog{max-height:85dvh}}
@media(max-width:700px){.lesson-settings-row{justify-content:flex-start}.lesson-settings-row>*{flex-shrink:0}.lesson-dock .sentence-actions{gap:6px}.lesson-dock .sentence-actions>.btn{font-size:0;width:34px;min-width:34px;padding:7px}.lesson-dock .sentence-actions>.btn .icon{width:18px;height:18px}.lesson-playback{gap:5px}.lesson-playback>.btn{font-size:0;width:34px;min-width:34px;padding:7px}.lesson-playback [data-action=play-current]{min-width:34px}.lesson-dock .sentence-next{gap:6px}.lesson-dock .sentence-next>.btn{min-width:113px;padding:8px;font-size:11px}.lesson-dock .sentence-next>.icon-button{width:28px}.lesson-dock .sentence-next>.icon-button .icon{width:18px}}
/* Personal invitations: a quiet pair of rewards around one permanent, copyable code. */
.personal-invite{padding:20px;border:1px solid var(--line);border-radius:14px;background:#f8faff;margin:20px 0;color:var(--ink)}
.personal-invite .referral-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.personal-invite .referral-heading h3{margin:0;font-size:15px}.referral-heading>span{font-size:10px;color:var(--blue);padding:3px 7px;border:1px solid #d7e1ff;border-radius:5px;white-space:nowrap}
.personal-invite .referral-intro{font-size:12px;color:var(--muted);margin:8px 0 12px;line-height:1.7}.referral-pair{display:flex;align-items:center;gap:12px;margin-bottom:14px}.referral-pair>span{flex:1;padding:10px 12px;border-radius:9px;background:#eaf0ff;font-size:12px;display:flex;justify-content:space-between;gap:8px}.referral-pair strong{color:var(--blue);font-size:15px;font-family:var(--mono)}.referral-pair i{font-style:normal;font-size:14px;color:var(--subtle)}
.referral-code-row{display:flex;gap:8px;align-items:center}.personal-invite input.referral-code{min-width:0;flex:1;width:100%;border:1px solid var(--line);border-radius:8px;background:white;padding:12px;font:600 15px var(--mono);letter-spacing:.8px;color:var(--ink);margin:0}.referral-code-row>.btn{flex-shrink:0}
.personal-invite .referral-rule{display:block;font-size:10px;line-height:1.8;color:var(--muted);margin:8px 0}.referral-summary{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:12px;padding-top:10px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.referral-summary b{color:var(--ink);font-family:var(--mono)}.referral-summary .text-button{font-size:10px}.personal-invite .referral-expiry{font-size:11px;margin:4px 0;color:var(--muted)}
.personal-invite .referral-feedback{font-size:11px;color:var(--green);line-height:1.7;margin:8px 0 0}.personal-invite .referral-feedback:empty{display:none}.personal-invite .referral-feedback.error{color:#ab3d45}.referral-history{border-top:1px solid var(--line);margin-top:12px;padding-top:10px}.referral-history>summary{font-size:11px;color:var(--muted);cursor:pointer}.referral-scroll{max-height:190px;overflow-y:auto;overscroll-behavior:contain;margin-top:8px}.referral-record{border-bottom:1px solid var(--line);padding:11px 0}.referral-record:last-child{border-bottom:0}.referral-record>div{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:11px}.referral-record>div>span{white-space:nowrap;color:var(--green);font-size:10px}.referral-record>small{font-size:10px;display:block;margin:4px 0;color:var(--muted)}.referral-record>p{font-size:10px!important;line-height:1.8!important;margin:4px 0 0!important;color:var(--muted)}.referral-pager{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--muted)}
.admin-referral-panel{margin-top:22px}.referral-admin-heading{padding:22px 24px 12px}.referral-admin-heading h2{font-size:17px;margin:0 0 7px}.referral-admin-heading p{font-size:12px;color:var(--muted);margin:0;line-height:1.8}.admin-referral-panel>.admin-toolbar{padding-top:6px}.admin-referral-scroll{max-height:380px}.referral-admin-dialog{width:min(620px,calc(100vw - 40px))}.referral-admin-dialog .account-dialog-heading h2{font-size:18px;margin:0}.referral-admin-dialog .referral-record>div{font-size:13px}.referral-admin-dialog .referral-record>p{font-size:12px!important}.referral-admin-dialog .referral-record>small{font-size:11px}
@media(max-width:520px){.personal-invite{padding:14px}.referral-pair{gap:7px}.referral-pair>span{padding:9px;gap:4px}.personal-invite input.referral-code{font-size:12px;letter-spacing:.2px;padding:10px 8px}.referral-summary{flex-wrap:wrap}.referral-record>div{align-items:flex-start;gap:8px}}