.reader-tools:has(.analysis-index){flex-wrap:wrap;gap:12px}.reader-tools .analysis-index{margin-left:auto;white-space:nowrap;min-height:40px;font-size:13px}
.sentence-analysis{margin-top:17px;border-top:1px solid var(--border,#e8eaed);padding-top:13px;color:var(--text,#1d1d1f);font-size:14px;line-height:1.85}
.sentence-analysis>summary{cursor:pointer;min-height:36px;width:fit-content;color:var(--accent,#0066d6);font-weight:500}.sentence-analysis>summary>span{font-weight:400;color:var(--muted,#6e6e73);margin-left:8px;font-size:13px}
.analysis-content{padding:18px 0 4px}.analysis-note{min-width:0}.analysis-note+.analysis-note{border-top:1px solid var(--border,#e8eaed);margin-top:28px;padding-top:24px}
.analysis-note h3{font-size:16px;font-weight:600;line-height:1.7;margin:0 0 14px;letter-spacing:0}.analysis-note h4{font-size:13px;font-weight:600;color:var(--muted,#6e6e73);margin:22px 0 8px;letter-spacing:0}
.analysis-note p{margin:0;line-height:1.9;overflow-wrap:anywhere;font-size:14px}.analysis-note .analysis-original{font-family:Georgia,'Times New Roman',serif;font-size:19px;line-height:1.85;color:var(--text,#1d1d1f)}
.analysis-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin:12px 0 18px}.analysis-actions button{min-height:40px;font-size:13px;white-space:normal;text-align:left}.analysis-actions .icon{width:16px;height:16px}
.analysis-main{background:var(--surface,#f7f8fa);padding:15px 18px;border-radius:10px}.analysis-main h4{margin:0 0 7px}.analysis-main p[lang=en]{font-family:Georgia,'Times New Roman',serif;font-size:18px}
.analysis-chunks{margin:0}.analysis-chunks>div{padding:12px 0;border-bottom:1px solid var(--border,#e8eaed)}.analysis-chunks dt{display:flex;flex-direction:column;gap:6px;min-width:0}.analysis-chunks dt>[lang=en]{font-family:Georgia,'Times New Roman',serif;font-size:17px;line-height:1.8;overflow-wrap:anywhere;white-space:pre-wrap}.analysis-role{font-size:12px;color:var(--accent,#0066d6);font-weight:550}.analysis-chunks dd{margin:7px 0 0;font-size:14px;line-height:1.9;overflow-wrap:anywhere}
.analysis-translation{color:var(--muted,#6e6e73)}.reader-source-sentence.analysis-located,.sentence-block.analysis-located>.english{background:#eaf3ff;box-decoration-break:clone;-webkit-box-decoration-break:clone;outline:1px solid #b6d5fc;outline-offset:3px}
.sentence-analysis :is(summary,button):focus-visible,.analysis-index:focus-visible{outline:2px solid var(--accent,#0066d6);outline-offset:4px}.reader-source-sentence{scroll-margin-block:80px}
@media(max-width:600px){.reader-tools .analysis-index{margin-left:0}.analysis-content{padding-top:12px}.analysis-note .analysis-original{font-size:18px}.analysis-main{padding:13px 14px}.analysis-actions{gap:12px}.analysis-actions button{min-height:44px}.analysis-note h4{margin-top:20px}.analysis-role{font-size:13px}}
.sentence-exercise{margin:22px 0}.sentence-exercise fieldset{border:0;padding:0;margin:0;min-width:0}.sentence-exercise legend{font-size:13px;font-weight:600;color:var(--accent,#0066d6);padding:0;margin-bottom:9px}.sentence-exercise .exercise-prompt{font-size:16px;font-weight:550;margin-bottom:12px}
.exercise-context{font-size:13px;color:var(--muted,#6e6e73);margin:10px 0 16px}.exercise-context summary{cursor:pointer;min-height:32px}.exercise-context p[lang=en]{font-family:Georgia,'Times New Roman',serif;font-size:17px;margin:10px 0 16px;color:var(--text,#1d1d1f)}
.exercise-options{display:grid;gap:9px}.exercise-option{display:flex;align-items:flex-start;gap:10px;border:1px solid var(--border,#e8eaed);border-radius:10px;padding:13px 14px;min-width:0;cursor:pointer;background:#fff;line-height:1.8}.exercise-option input{appearance:auto;accent-color:var(--accent,#0066d6);width:17px;height:17px;flex:0 0 17px;margin:4px 0 0}.exercise-option>span{min-width:0;overflow-wrap:anywhere;font-size:14px}.exercise-option b{font-weight:500}.exercise-option:has(input:checked){border-color:#8dbef5;background:#eaf3ff}.exercise-option:has(input:focus-visible){outline:2px solid var(--accent,#0066d6);outline-offset:3px}.exercise-option.is-correct{background:#edf6f1;border-color:#a8cdb8}.exercise-option.needs-review{background:#fcf2f3;border-color:#dcb8bd}.exercise-option:has(input:disabled){cursor:default}
.sentence-exercise .exercise-hint{font-size:13px;color:var(--muted,#6e6e73);margin:12px 0}.exercise-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px}.exercise-actions button{min-height:40px}.exercise-actions button:disabled{opacity:.5;cursor:default}.exercise-feedback{padding:15px 17px;margin-top:18px;border:1px solid var(--border,#e8eaed);border-radius:10px;background:#f7f8fa}.exercise-feedback>strong{display:block;color:var(--text,#1d1d1f);font-size:15px}.exercise-feedback>small{display:block;color:var(--muted,#6e6e73);font-size:13px;margin-top:5px}.analysis-note .exercise-feedback p{margin-top:8px}.exercise-feedback.is-correct>strong{color:#29634b}.exercise-feedback.needs-review>strong{color:#943d4b}.analysis-explanation>.analysis-focus{font-size:16px;color:var(--text,#1d1d1f);margin:26px 0 16px}
@media(max-width:600px){.exercise-option{padding:13px 12px}.exercise-actions button{min-height:44px}.sentence-exercise .exercise-prompt{font-size:15px}.exercise-feedback{padding:14px}.exercise-option input{margin-top:4px}}
.exercise-option.is-correct:has(input:checked){background:#edf6f1;border-color:#a8cdb8}.exercise-option.needs-review:has(input:checked){background:#fcf2f3;border-color:#dcb8bd}.exercise-feedback:focus-visible{outline:2px solid var(--accent,#0066d6);outline-offset:4px}
.review-sections{display:flex;align-items:center;flex-wrap:wrap;gap:8px 24px;margin:0 0 25px;border-bottom:1px solid var(--border,#e8eaed)}.review-sections a{display:inline-flex;align-items:center;gap:8px;padding:12px 0;color:var(--muted,#6e6e73);text-decoration:none;min-height:44px;border-bottom:2px solid transparent;font-size:15px}.review-sections a[aria-current=page]{color:var(--accent,#0066d6);border-bottom-color:var(--accent,#0066d6)}.review-sections span{font-size:13px;font-variant-numeric:tabular-nums}.mistake-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}.mistake-toolbar p{font-size:13px;line-height:1.8}.mistake-toolbar .tabs{flex-wrap:wrap}.mistake-list{max-width:900px;margin-inline:auto}.mistake-item{border-bottom:1px solid var(--border,#e8eaed);padding-block:8px}.mistake-item>summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;cursor:pointer;list-style:none}.mistake-item>summary::-webkit-details-marker{display:none}.mistake-heading{display:grid;gap:9px;min-width:0}.mistake-heading strong{font-family:Georgia,'Times New Roman',serif;font-size:21px;font-weight:500;line-height:1.4;overflow-wrap:anywhere}.mistake-heading>span{font-size:13px;color:var(--muted,#6e6e73);line-height:1.7}.mistake-status{display:flex;align-items:center;gap:12px;flex-shrink:0;font-size:13px;color:var(--muted,#6e6e73)}.mistake-status:after{content:'';width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg)}.mistake-item[open] .mistake-status:after{transform:rotate(225deg)}.mistake-item>.analysis-note{margin:0;padding:8px 0 28px;max-width:760px}.mistake-sentence-title{font-size:14px;color:var(--muted,#6e6e73);font-weight:500;margin:0 0 14px}.mistake-item .analysis-original{font-family:Georgia,'Times New Roman',serif;font-size:20px;line-height:1.9;overflow-wrap:anywhere}.mistake-item .analysis-actions{flex-wrap:wrap}.mistake-item .analysis-note p{line-height:1.9}.review-sections a:focus-visible,.mistake-item>summary:focus-visible,.mistake-toolbar button:focus-visible{outline:2px solid var(--accent,#0066d6);outline-offset:4px}.reader-tools>[data-nav=mistakes]{min-height:40px;font-size:13px}
@media(max-width:600px){.mistake-item>summary{gap:12px}.mistake-heading strong{font-size:19px}.mistake-status{font-size:12px;gap:9px}.mistake-item .analysis-original{font-size:19px}.mistake-toolbar{gap:10px}.mistake-item .analysis-actions button{min-height:44px}.review-sections{margin-bottom:20px}}