.sgk-mastery-panel{margin-top:18px;padding:16px;border:1px solid #b9d7c8;border-radius:16px;background:#f4faf5;color:#193f32}
.sgk-mastery-panel h3{margin:0 0 10px}.sgk-mastery-panel p{margin:10px 0;line-height:1.6}
.sgk-mastery-counts{display:flex;flex-wrap:wrap;gap:8px}.sgk-mastery-counts span{padding:6px 10px;border-radius:9px;background:#fff;border:1px solid #cadbd0}
.sgk-mastery-counts [data-mastery-status="needs_review"]{color:#8a3518}.sgk-mastery-counts [data-mastery-status="assisted"]{color:#795200}
.sgk-mastery-panel details{margin:14px 0}.sgk-mastery-panel summary{cursor:pointer;font-weight:700;min-height:44px;padding:10px 0}.sgk-mastery-panel li{margin:8px 0;overflow-wrap:anywhere}.sgk-mastery-panel small{display:block;line-height:1.5}
.sgk-mastery-result{margin:10px 0;padding:10px;border-radius:10px;background:#eff6ff;color:#204365;font-weight:700}
#vocabGrid[data-mastery-study-hidden],#grammarTheory[data-mastery-study-hidden]{display:none!important}
@media(max-width:600px){.sgk-mastery-panel{padding:12px}.sgk-mastery-counts{flex-direction:column}.sgk-mastery-panel button{min-height:44px;width:100%}}