:root{color-scheme:light dark;--bg:light-dark(#f4f7f3,#101914);--panel:light-dark(#fff,#1a251e);--text:light-dark(#1e3327,#e7f2e9);--muted:light-dark(#5e6f63,#a9bcb0);--line:light-dark(#d8e3da,#354c3d);--green:light-dark(#256345,#a4d9b6);--on:light-dark(#fff,#163621);--soft:light-dark(#e9f2eb,#243b2c);--red:light-dark(#b33532,#ffa599)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit;color:inherit}button,select,input:not([type=checkbox]),textarea{border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:10px 14px;min-height:44px}button{cursor:pointer}button:hover{background:var(--soft)}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--green);color:var(--on);border-color:var(--green)}button.primary:hover{filter:brightness(1.08);background:var(--green)}a{color:var(--green)}[hidden]{display:none!important}h1,h2,p{margin:0}h1{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:650}h2{font-size:20px;font-weight:600}label{display:flex;gap:7px;flex-direction:column}.check,label:has(input[type=checkbox]){flex-direction:row;align-items:center}input[type=checkbox]{width:18px;height:18px;accent-color:var(--green)}input,select,textarea{width:100%;min-width:0}.app{max-width:1040px;margin:auto;padding:0 28px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:25px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}.brand{text-decoration:none;font-size:23px;font-weight:650;color:var(--text)}.brand span{font-size:12px;color:var(--muted);font-weight:400;margin-left:8px}nav{display:flex;gap:8px;flex-wrap:wrap}nav button{background:transparent;border:0;font-size:14px}.view{padding:28px 0}.intro{margin:10px 0 26px}.intro p{color:var(--muted);margin-top:10px}.eyebrow{color:var(--green);font-size:13px;letter-spacing:.06em;margin-bottom:9px;display:block}.panel{border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:24px;margin:18px 0}.fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}.wide{grid-column:1/-1}.actions{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:22px}.setup-panel .actions{justify-content:flex-start}.pack-info{margin-top:18px;color:var(--muted);font-size:14px}.pack-info strong{color:var(--text)}.muted{font-size:13px;color:var(--muted)}.rules{padding:12px 5px}.rules h2{font-size:17px}.rules ol{padding-left:24px;font-size:14px;color:var(--muted)}.rules li{margin:7px 0}.rules strong{color:var(--text)}details{margin-top:20px}summary{cursor:pointer;font-weight:500}details p{margin-top:12px}.sources{font-size:14px}.sources a{display:block;margin:8px 0}.notice{margin-top:18px;background:var(--soft);padding:12px 16px;border-radius:10px}.notice.error{color:var(--red)}.practice-top{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.practice-top>div{flex:1}.badge,.score-badge{border-radius:30px;padding:6px 13px;font-size:14px;background:var(--soft)}.score-badge{font-size:18px;font-weight:600}.progress{height:5px;background:var(--line);border-radius:10px;margin:20px 0 15px;overflow:hidden}.progress span{display:block;background:var(--green);height:100%;transition:width .2s}.centered{text-align:center}.translation{font-size:clamp(20px,2.5vw,25px);text-align:center;max-width:740px;margin:28px auto 15px;min-height:40px}.slots{display:flex;gap:16px;align-items:end;justify-content:center;flex-wrap:wrap;margin:28px 0 10px;min-height:100px}.word{display:flex;align-items:baseline;gap:3px;max-width:100%}.word-box{display:block;max-width:100%}.word input{font-size:clamp(22px,3vw,30px);font-weight:500;text-align:center;border:0;border-bottom:3px solid var(--line);border-radius:0;background:transparent;padding:8px 2px;width:var(--word-width);max-width:100%;letter-spacing:.01em}.word input:focus{border-bottom-color:var(--green);outline:2px solid color-mix(in srgb,var(--green) 40%,transparent);outline-offset:3px}.word small{display:block;min-height:22px;font-size:12px;text-align:center;color:var(--muted)}.word.bad input{border-bottom-color:var(--red);color:var(--red)}.word.good input{border-bottom-color:var(--green)}.reference{max-width:740px;margin:18px auto;background:var(--soft);padding:16px;border-radius:12px;text-align:center;font-size:21px;overflow-wrap:anywhere}.correct-answer{font-size:clamp(23px,3vw,30px);text-align:center;color:var(--green);margin:30px auto 16px;max-width:800px}.feedback{text-align:center;min-height:28px;margin:18px 0;color:var(--muted)}.feedback.error{color:var(--red)}.practice-footer{display:flex;gap:15px;flex-wrap:wrap;justify-content:space-between;border-top:1px solid var(--line);margin-top:30px;padding-top:15px;font-size:13px}.result-hero{text-align:center;padding:20px 0}.result-score{color:var(--green);font-size:76px;line-height:1.3;margin:14px 0}.result-score small{font-size:20px;margin-left:8px}table{border-collapse:collapse;width:100%;font-size:14px}td,th{padding:12px 8px;text-align:left;border-bottom:1px solid var(--line);overflow-wrap:anywhere}th{font-weight:500;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.stat{padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.stat strong{font-size:30px;display:block}.level-row{padding:16px 0;border-bottom:1px solid var(--line)}.level-row p{font-size:14px;color:var(--muted)}#transcript article{padding:16px 0;border-bottom:1px solid var(--line)}#transcript p{margin:5px 0}#sentence-editor article{display:grid;grid-template-columns:auto 1fr;gap:12px;background:var(--panel);padding:16px;margin:12px 0;border:1px solid var(--line);border-radius:12px}#sentence-editor article>div{display:grid;gap:10px}#sentence-editor textarea{resize:vertical}#import-status{margin-top:12px}#file{margin-bottom:8px}footer{color:var(--muted);font-size:12px;border-top:1px solid var(--line);padding:24px 0;margin-top:25px}.timer{font-variant-numeric:tabular-nums;font-size:20px}.timer.urgent{color:var(--red)}
@media(max-width:600px){.app{padding:0 16px}header{padding:17px 0;gap:10px}.brand{font-size:21px}nav{gap:2px}nav button{padding:7px 10px}.panel{padding:18px}.fields{gap:14px}.view{padding-top:20px}.stats{grid-template-columns:1fr}.practice-top{gap:8px}.practice-top h2{font-size:18px}.slots{gap:12px}.word input{max-width:170px}.actions{gap:8px}.actions button{flex-grow:1}.practice-footer{margin-top:22px}th,td{padding:10px 4px;font-size:13px}.rules{padding:5px 0}.rules li{margin:10px 0}}

/* Compact layout: keep primary choices visible and fold reference material. */
body{font-size:15px;line-height:1.5}.app{max-width:980px;padding:0 24px}header{padding:14px 0;gap:12px}.brand{font-size:21px}nav{gap:2px}nav button{padding:6px 10px;min-height:38px}.view{padding:18px 0 10px}h1{font-size:25px}h2{font-size:18px}.intro{margin:0 0 12px}.intro p{margin-top:4px;font-size:13px}.eyebrow{margin-bottom:3px;letter-spacing:0}.panel{padding:18px;margin:12px 0;border-radius:13px}.fields{gap:12px 16px}label{gap:5px;font-size:14px}button,select,input:not([type=checkbox]),textarea{padding:8px 11px;min-height:40px;border-radius:8px}.start-fields{grid-template-columns:repeat(6,minmax(0,1fr))}.start-fields>label{grid-column:span 2}.start-fields .name-field{grid-row:1;grid-column:1/3}.start-fields .scene-field{grid-row:1;grid-column:3/7}.actions{gap:8px;margin-top:14px}.pack-info{margin-top:9px;font-size:13px}.quick-note{font-size:12px;color:var(--muted);margin-left:5px}.secondary-actions{border-top:1px solid var(--line);padding-top:10px;margin-top:12px}.secondary-actions summary,.rules summary,.sources summary{font-size:13px;color:var(--muted)}.secondary-actions .actions{justify-content:flex-start;margin-top:9px}details{margin-top:10px}details p{margin-top:6px}.rules{padding:4px 0}.rules ol{margin:10px 0;padding-left:20px;font-size:13px}.rules li{margin:5px 0}.sources{margin-top:6px}.notice{margin-top:10px;padding:8px 12px}.progress{margin:12px 0;height:4px}.practice-top{gap:12px}.practice-top h2{font-size:19px}.badge,.score-badge{padding:4px 10px}.translation{font-size:22px;margin:18px auto 8px;min-height:33px}.slots{gap:12px;margin:17px 0 7px;min-height:72px}.word input{font-size:26px;padding:5px 2px}.word small{min-height:18px;font-size:11px}.reference{margin:12px auto;padding:12px;font-size:19px}.correct-answer{margin:20px auto 8px;font-size:26px}.feedback{margin:10px 0;min-height:23px;font-size:13px}.practice-footer{margin-top:16px;padding-top:10px}.result-hero{padding:2px 0 10px}.result-score{font-size:60px;margin:6px 0}.result-hero h1{font-size:25px}td,th{padding:8px}.stats{gap:10px}.stat{padding:12px 16px}.stat strong{font-size:26px}.level-row{padding:9px 0}.level-row p{font-size:13px}.profile-intro{display:flex;align-items:baseline;gap:12px}#transcript article{padding:10px 0}#sentence-editor article{padding:12px;margin:8px 0}#sentence-editor article>div{gap:7px}#settings .fields{margin-bottom:12px}#settings-status:empty,#import-status:empty{display:none}footer{padding:12px 0;margin-top:14px;font-size:11px}
@media(max-width:600px){.app{padding:0 14px}header{padding:10px 0;gap:7px}.brand{font-size:20px}nav button{padding:5px 8px;font-size:13px}.view{padding-top:14px}.panel{padding:14px}.start-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.start-fields>label{grid-column:auto}.start-fields .name-field{grid-row:1;grid-column:1/2}.start-fields .scene-field{grid-row:2;grid-column:1/-1}.quick-note{width:100%;margin:0}.fields{gap:10px}.stats{grid-template-columns:repeat(3,minmax(0,1fr))}.stat{padding:9px;font-size:12px}.stat strong{font-size:24px}.practice-top{gap:7px}.practice-top>div{flex-basis:100%}.translation{font-size:20px}.word input{font-size:24px}.slots{gap:10px}.actions button{flex-grow:0}.practice-footer{margin-top:12px}footer{margin-top:10px}}

.speech-row{display:flex;align-items:end;gap:8px;flex-wrap:wrap}.speech-row label{flex:1;min-width:180px}#speech-status{margin-top:8px}#speech-form details{font-size:12px}.setting-title{margin-bottom:10px}#settings .intro p{font-size:13px}

/* Video import reuses the existing material review. */
.video-import-actions,.video-row-actions,.video-times{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin:10px 0}.video-import-actions label{min-width:150px}.video-row-actions details{margin:0;flex:1;min-width:180px}.video-times label{flex:1;min-width:90px}.video-times input{width:100%}#video-url{margin-top:5px}#video-status{margin-top:10px;font-size:13px}#video-review-audio{width:100%;margin:10px 0}#import .panel h2{margin-bottom:12px}