/* TingDong AI · listening study tools */
body.td-product-home .tdHomeReviewCard{display:grid;grid-template-columns:62px minmax(0,1fr) auto auto;align-items:center;gap:18px;margin:0 0 15px;padding:19px 20px;border:1px solid rgba(12,114,77,.2);border-radius:21px;background:linear-gradient(135deg,#0f855c 0%,#1fb47b 100%);color:#fff;box-shadow:0 14px 34px rgba(21,139,95,.18)}
body.td-product-home .tdHomeReviewIcon{display:flex;align-items:center;justify-content:center;width:58px;height:58px;border-radius:17px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.2);font-size:22px;font-weight:950}
body.td-product-home .tdHomeReviewCopy{min-width:0}
body.td-product-home .tdHomeReviewCopy>span{display:block;margin-bottom:4px;color:rgba(255,255,255,.72);font-size:11px;font-weight:850;letter-spacing:.06em}
body.td-product-home .tdHomeReviewCopy>strong{display:block;font-size:21px;line-height:1.2;font-weight:950;letter-spacing:-.35px}
body.td-product-home .tdHomeReviewCopy>p{margin:6px 0 0;color:rgba(255,255,255,.8);font-size:12.5px;line-height:1.5}
body.td-product-home .tdHomeReviewDue{min-width:126px;text-align:center}
body.td-product-home .tdHomeReviewDue>b{display:block;font-size:31px;line-height:1;font-weight:950;font-variant-numeric:tabular-nums}
body.td-product-home .tdHomeReviewDue>span{display:block;margin-top:6px;color:rgba(255,255,255,.75);font-size:10.5px;line-height:1.35}
body.td-product-home .tdHomeReviewActions{display:grid;grid-template-columns:1fr;gap:7px;min-width:130px}
body.td-product-home .tdHomeReviewActions>a{display:flex;align-items:center;justify-content:center;min-height:39px;padding:8px 13px;border-radius:11px;text-decoration:none;font-size:12.5px;font-weight:900;white-space:nowrap}
body.td-product-home .tdHomeReviewStart{background:#fff;color:#10754f;box-shadow:0 5px 14px rgba(8,83,56,.15)}
body.td-product-home .tdHomeReviewStart:hover{background:#f3fff9}
body.td-product-home .tdHomeReviewBook{border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:#fff}
body.td-product-home .tdHomeReviewBook:hover{background:rgba(255,255,255,.15)}
.tdStudyPlayer{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:1px solid #e1e6eb}
.tdStudyPlayer button{min-height:38px!important;padding:7px 11px!important}
.tdStudyPlayer .tdLoopActive{background:#edf9f3!important;border-color:#a8dcc5!important;color:#16845c!important}
.tdVocabWord{appearance:none;border:0!important;background:transparent!important;color:inherit!important;min-height:0!important;padding:0 1px!important;margin:0!important;border-radius:4px!important;font:inherit!important;font-weight:inherit!important;line-height:inherit!important;cursor:pointer;text-decoration:underline;text-decoration-color:rgba(32,178,120,.35);text-underline-offset:3px}
.tdVocabWord:hover,.tdVocabWord:focus{background:#eaf8f1!important;color:#126b4b!important;outline:none}
.tdVocabHint{font-size:12.5px;color:#718095;margin:7px 0 0;line-height:1.5}
.tdVocabDrawer{position:fixed;inset:0;z-index:2200;display:flex;justify-content:flex-end;background:rgba(28,38,52,.32);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.tdVocabDrawer[hidden]{display:none!important}
.tdVocabSheet{width:min(460px,100%);height:100%;overflow:auto;background:#fff;border-left:1px solid #dce2e8;box-shadow:-20px 0 55px rgba(35,48,67,.14);padding:20px}
.tdVocabHead{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:18px}
.tdVocabKicker{font-size:12px;color:#16845c;font-weight:900;margin-bottom:4px}
.tdVocabTerm{font-size:29px;line-height:1.18;font-weight:950;color:#182235;word-break:break-word}
.tdVocabClose{width:40px;height:40px;border-radius:50%!important;background:#f5f7f9!important;color:#48566b!important;border:1px solid #dce2e8!important;font-size:22px!important;padding:0!important}
.tdVocabBlock{padding:14px 0;border-top:1px solid #e5e9ed}
.tdVocabLabel{font-size:12.5px;color:#748196;font-weight:850;margin-bottom:5px}
.tdVocabValue{font-size:15.5px;line-height:1.65;color:#26354a;white-space:pre-wrap}
.tdVocabMeaning{font-size:19px;font-weight:850;color:#182235}
.tdVocabSentence{font-size:16px;line-height:1.7;color:#253349}
.tdVocabTranslation{font-size:14.5px;line-height:1.65;color:#657287;margin-top:5px}
.tdVocabActions{position:sticky;bottom:-20px;display:grid;grid-template-columns:1fr 1.25fr;gap:9px;padding:14px 0 20px;background:linear-gradient(180deg,rgba(255,255,255,.2),#fff 25%)}
.tdVocabActions button{min-height:46px!important}
.tdVocabSave{background:#20b278!important;border-color:transparent!important;color:#fff!important}
.tdVocabStatus{min-height:24px;font-size:13px;color:#718095;margin-top:8px}
.tdVocabStatus.error{color:#b34d5a}
.tdStudyPage{max-width:980px;margin:0 auto;padding:26px 16px 60px}
.tdStudyTop{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:20px}
.tdStudyTop a{text-decoration:none}
.tdStudyTitle{font-size:32px;line-height:1.15;font-weight:950;color:#182235;margin:0 0 5px}
.tdStudySub{font-size:15px;color:#687588;line-height:1.6}
.tdStudyStats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0}
.tdStudyStat{background:#fff;border:1px solid #dce2e8;border-radius:18px;padding:16px;box-shadow:0 10px 28px rgba(35,48,67,.05)}
.tdStudyStat b{display:block;font-size:26px;color:#182235}.tdStudyStat span{font-size:13px;color:#718095}
.tdStudyToolbar{display:flex;gap:9px;flex-wrap:wrap;margin:16px 0}
.tdStudyBtn{appearance:none;border:1px solid #dce2e8;background:#fff;color:#354258;border-radius:11px;padding:10px 14px;min-height:42px;font-size:14.5px;font-weight:850;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.tdStudyBtn.primary{background:#20b278;color:#fff;border-color:transparent}
.tdStudyList{display:flex;flex-direction:column;gap:12px}
.tdWordCard{background:#fff;border:1px solid #dce2e8;border-radius:18px;padding:17px;box-shadow:0 9px 24px rgba(35,48,67,.045)}
.tdWordTop{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.tdWordTerm{font-size:22px;font-weight:950;color:#182235}.tdWordMeaning{font-size:15.5px;color:#36445a;margin-top:4px}
.tdWordMeta{font-size:13px;color:#738095;margin-top:7px;line-height:1.55}.tdWordContext{margin-top:12px;padding:12px;border-radius:12px;background:#f7f9fb;color:#334258;line-height:1.65;font-size:14.5px}
.tdWordActions{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.tdWordActions button,.tdWordActions a{font-size:13.5px!important;min-height:38px!important}
.tdDue{color:#16845c;font-weight:850}.tdFuture{color:#758196}
.tdEmpty{background:#fff;border:1px dashed #cfd7df;border-radius:18px;padding:34px;text-align:center;color:#718095;font-size:15px}
.tdReviewShell{max-width:760px;margin:0 auto;padding:26px 16px 70px}.tdReviewModes{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.tdReviewMode.active{background:#eef9f3!important;border-color:#bfe5d3!important;color:#167f59!important}
.tdReviewCard{background:#fff;border:1px solid #dce2e8;border-radius:22px;box-shadow:0 14px 36px rgba(35,48,67,.07);padding:24px;min-height:380px}
.tdReviewType{font-size:12.5px;color:#16845c;font-weight:900;margin-bottom:16px}.tdReviewPrompt{font-size:27px;line-height:1.42;font-weight:900;color:#182235;margin:18px 0}.tdReviewContext{font-size:17px;line-height:1.75;color:#334258;margin:16px 0}
.tdReviewInput{width:100%;min-height:50px;border:1px solid #d4dce5;border-radius:12px;padding:12px 14px;font-size:16px;color:#182235;background:#fff}.tdReviewAnswer{margin-top:16px;padding:15px;border-radius:14px;background:#f5f8fa;color:#2b394e;line-height:1.7}.tdReviewAnswer[hidden]{display:none!important}
.tdReviewRatings{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:18px}.tdReviewRatings button{min-height:48px!important}.tdReviewProgress{font-size:13.5px;color:#718095;margin-top:10px}
@media(max-width:680px){body.td-product-home .tdHomeReviewCard{grid-template-columns:50px minmax(0,1fr);grid-template-areas:'icon copy' 'due due' 'actions actions';gap:12px;margin-bottom:12px;padding:16px;border-radius:18px}body.td-product-home .tdHomeReviewIcon{grid-area:icon;width:50px;height:50px;border-radius:14px;font-size:19px}body.td-product-home .tdHomeReviewCopy{grid-area:copy}body.td-product-home .tdHomeReviewCopy>strong{font-size:19px}body.td-product-home .tdHomeReviewCopy>p{font-size:11.5px}body.td-product-home .tdHomeReviewDue{grid-area:due;display:flex;align-items:baseline;justify-content:flex-start;gap:8px;min-width:0;padding-top:2px;text-align:left}body.td-product-home .tdHomeReviewDue>b{font-size:25px}body.td-product-home .tdHomeReviewDue>span{margin:0;font-size:11px}body.td-product-home .tdHomeReviewActions{grid-area:actions;grid-template-columns:1.2fr 1fr;min-width:0}body.td-product-home .tdHomeReviewActions>a{min-height:42px}.tdVocabSheet{width:100%;border-left:0}.tdStudyStats{grid-template-columns:1fr 1fr}.tdStudyStats .tdStudyStat:last-child{grid-column:1/-1}.tdStudyTitle{font-size:28px}.tdReviewCard{padding:18px}.tdReviewPrompt{font-size:23px}.tdReviewRatings{grid-template-columns:1fr 1fr}.tdVocabActions{grid-template-columns:1fr}.tdStudyTop{align-items:flex-start}.tdWordTop{flex-direction:column}}