:root{--blue:#2563eb;--blue-soft:#eff5ff;--ink:#172b4d;--muted:#7c889d;--border:#e7edf5;--bg:#f6f8fc;--green:#169c75;--orange:#ed9440;--red:#dc5265;--shadow:0 5px 24px #243b6407;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-size:14px}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}a{color:inherit;text-decoration:none}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #93b9ff;outline-offset:3px}button{border:0}input,select{color:var(--ink)}[hidden]{display:none!important}.site-header{height:86px;background:#fff;border-bottom:1px solid var(--border)}.header-inner{max-width:1256px;margin:auto;height:100%;display:flex;align-items:center;gap:54px;padding:0 28px}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:750;letter-spacing:.5px;white-space:nowrap}.brand-icon{width:40px;height:40px;border-radius:13px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:28px;font-weight:400;box-shadow:0 4px 10px #2563eb23}.brand small{display:block;font-size:9px;font-weight:500;letter-spacing:2px;color:var(--muted);margin-top:3px}.main-nav{display:flex;gap:30px;height:100%;align-items:center}.main-nav a{height:100%;display:flex;align-items:center;position:relative;color:#647189;white-space:nowrap}.main-nav a.active{color:var(--blue);font-weight:650}.main-nav a.active:after{content:"";height:3px;background:var(--blue);bottom:0;position:absolute;left:0;right:0;border-radius:3px 3px 0 0}.header-pill{margin-left:auto;color:#8390a3;font-size:12px;white-space:nowrap;display:flex;align-items:center;gap:7px}.online-dot{height:6px;width:6px;background:#28b989;border-radius:50%}#app{max-width:1256px;margin:0 auto;padding:32px 28px 50px;min-height:calc(100vh - 150px)}.eyebrow{font-size:11px;letter-spacing:1.8px;color:var(--blue);font-weight:650}.breadcrumb{color:#99a3b4;font-size:12px;margin-bottom:24px}.breadcrumb a{color:#687890}.breadcrumb span{margin:0 8px}h1,h2,h3,h4,p{margin-top:0}h1{font-size:29px;letter-spacing:-.5px;margin-bottom:12px;line-height:1.5}h2{font-size:19px;line-height:1.5;margin-bottom:16px}h3{font-size:16px;line-height:1.5}.subtext{color:var(--muted);line-height:1.8}.hero{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}.hero p{margin-bottom:0;color:var(--muted);line-height:1.7}.hero-graphic{display:flex;gap:4px;align-items:center;justify-content:center;background:#eaf1ff;width:82px;height:74px;border-radius:22px;transform:rotate(-7deg);margin-right:14px}.hero-graphic i{width:5px;border-radius:3px;background:#709bfa;height:16px}.hero-graphic i:nth-child(2),.hero-graphic i:nth-child(6){height:28px}.hero-graphic i:nth-child(3),.hero-graphic i:nth-child(5){height:42px}.hero-graphic i:nth-child(4){height:54px;background:var(--blue)}.layout{display:grid;grid-template-columns:minmax(0,1fr) 266px;gap:24px}.panel{background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.library-panel{overflow:hidden}.panel-top{display:flex;align-items:center;padding:21px 24px 0;gap:25px;border-bottom:1px solid var(--border)}.panel-tab{background:none;font-size:16px;font-weight:650;padding:0 0 18px;color:#8d98aa;position:relative}.panel-tab.active{color:var(--blue)}.panel-tab.active:after{content:"";height:3px;left:0;right:0;bottom:-1px;background:var(--blue);position:absolute;border-radius:3px}.tiny-label{font-size:10px;font-weight:500;background:#eff5ff;color:var(--blue);padding:3px 6px;border-radius:4px;vertical-align:middle;margin-left:4px}.library-content{padding:24px}.filter-tabs{display:flex;gap:8px;margin-bottom:16px}.filter-tab{background:#f4f6fa;color:#8390a3;border-radius:8px;padding:10px 18px}.filter-tab.active{background:var(--blue-soft);color:var(--blue);font-weight:600}.filter-box{background:#f8faff;border:1px solid #edf2fb;border-radius:10px;padding:14px;display:flex;flex-wrap:wrap;gap:8px}.chip{background:#fff;color:#6d7d95;border:1px solid #e9eef8;border-radius:6px;padding:7px 12px;font-size:12px}.chip:hover{border-color:#bfd3ff;color:var(--blue)}.chip.active{background:var(--blue);border-color:var(--blue);color:white}.search-row{display:flex;align-items:center;gap:12px;margin:24px 0 18px}.search{display:flex;align-items:center;gap:8px;background:#f8f9fc;border:1px solid var(--border);border-radius:7px;padding:9px 12px;margin-left:auto;max-width:230px}.search input{background:transparent;border:0;width:100%;outline:none;font-size:12px}.count-label{color:#8a98af;font-size:12px}.count-label b{color:var(--ink);font-weight:600}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.paper-card{border:1px solid var(--border);border-radius:10px;overflow:hidden;transition:border-color .2s,transform .2s;background:white;display:flex;flex-direction:column}.paper-card:hover{border-color:#b6ceff;transform:translateY(-2px)}.card-top{background:linear-gradient(110deg,#f1f6ff,#fcfdff);padding:10px 13px;color:#7690b6;font-size:11px;display:flex;align-items:center;justify-content:space-between}.card-status{color:var(--green);font-size:10px}.card-status.missing{color:var(--orange)}.card-main{padding:17px 14px 12px;flex:1}.card-main h3{font-size:14px;margin-bottom:8px;font-weight:650}.card-main p{font-size:11px;color:var(--muted);margin-bottom:0;line-height:1.7;min-height:19px}.card-actions{display:flex;gap:6px;padding:0 13px 13px}.btn{border:1px solid transparent;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;font-weight:550;font-size:13px;white-space:nowrap}.btn.primary{background:var(--blue);color:#fff}.btn.primary:hover{background:#1d55d0}.btn.secondary{background:white;border-color:var(--border);color:#5f7290}.btn.secondary:hover{background:#f7faff;border-color:#b9d1ff}.btn.soft{background:var(--blue-soft);color:var(--blue)}.btn.small{font-size:11px;padding:7px 10px}.card-actions .primary{flex:1}.text-btn{background:none;color:var(--blue);font-size:12px;padding:0}.sidebar{display:flex;flex-direction:column;gap:18px}.side-panel{padding:22px}.side-panel h3{margin-bottom:20px}.goal-title{display:flex;align-items:center;justify-content:space-between}.goal-title button{color:#94a2b7;background:none;font-size:12px}.countdown{display:flex;align-items:baseline;justify-content:center;margin:5px 0 12px}.countdown strong{font-size:47px;font-weight:650;letter-spacing:-2px;color:var(--blue)}.countdown span{font-size:12px;color:var(--muted);margin-left:8px}.goal-meta{text-align:center;color:#8b98ac;font-size:11px;margin-bottom:16px}.goal-row{display:flex;justify-content:space-between;border-top:1px solid #f0f3f8;padding-top:15px;color:var(--muted);font-size:12px}.goal-row strong{color:var(--ink)}.side-link{display:flex;align-items:center;gap:11px;padding:16px 18px}.side-link .tile-icon{width:36px;height:36px;background:#edf4ff;color:var(--blue);border-radius:10px;display:grid;place-items:center;font-size:17px}.side-link.wrong .tile-icon{background:#fff5ec;color:#dc924c}.side-link strong{display:block;font-size:13px;margin-bottom:4px}.side-link p{font-size:11px;color:var(--muted);margin:0}.side-link .arrow{margin-left:auto;color:#a7b5ca}.stat-row{display:flex;justify-content:space-between;margin-top:20px;text-align:center;gap:10px}.stat-row strong{display:block;font-size:22px;color:var(--ink);margin-bottom:5px}.stat-row span{font-size:11px;color:var(--muted)}.tip{background:linear-gradient(140deg,#eff5ff,#f9fbff);border:1px solid #e2ebfb}.tip .eyebrow{margin-bottom:10px}.tip p{font-size:12px;line-height:1.9;color:#7687a3;margin-bottom:0}.tip h3{margin-bottom:10px;font-size:14px}.exam-bar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:18px;margin-top:20px;border-radius:10px;background:#f7faff;border:1px dashed #d4e2fa}.exam-bar p{font-size:12px;color:var(--muted);margin:0 auto 0 0}.empty{padding:60px 24px;text-align:center;color:var(--muted);grid-column:1/-1;line-height:1.8}.empty h3{color:#5f7494}.site-footer{max-width:1200px;margin:auto;padding:20px 0 28px;font-size:11px;color:#a3aec0;border-top:1px solid var(--border);display:flex;justify-content:space-between}.loading{text-align:center;padding:100px 20px;color:var(--muted)}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#243b5b;color:white;border-radius:8px;padding:12px 20px;box-shadow:0 8px 24px #172b4d25;z-index:50;max-width:90vw;line-height:1.7}dialog{border:1px solid var(--border);padding:26px;border-radius:14px;max-width:460px;width:90%;color:var(--ink);box-shadow:0 20px 70px #172b4d25}dialog::backdrop{background:#14294960}dialog p{color:var(--muted);line-height:1.8}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.goal-form{display:grid;gap:12px}.goal-form label{font-size:12px;color:var(--muted)}.goal-form input,.goal-form select{padding:10px;border:1px solid var(--border);border-radius:6px;width:100%;margin-top:6px}.practice-top{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:22px}.practice-top h1{font-size:24px;margin-bottom:7px}.practice-meta{color:var(--muted);font-size:12px;display:flex;gap:14px}.practice-actions{display:flex;gap:10px}.timer{font-variant-numeric:tabular-nums;color:var(--blue);font-size:20px;font-weight:600}.timer.warning{color:var(--red)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px;align-items:start}.question-panel{padding:26px;min-width:0}.part-tabs{display:flex;gap:8px;padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:20px;flex-wrap:wrap}.part-tabs button{padding:8px 16px;border-radius:7px;background:#f2f5fa;color:#7e8ca4}.part-tabs button.active{background:var(--blue);color:#fff}.question-group{border-bottom:1px solid var(--border);padding:8px 0 26px;margin-bottom:22px}.question-group:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}.group-title{font-size:16px;font-weight:650;margin-bottom:12px}.direction{color:#6c7c92;line-height:1.8;margin-bottom:22px;font-size:13px}.direction p{margin-bottom:4px}.exam-content{font-size:15px;line-height:2;color:#243958}.exam-content h1,.exam-content h2{font-size:19px;text-align:center;margin:16px 0}.exam-content h3{font-size:16px}.exam-content p{margin-bottom:10px}.exam-content table{border-collapse:collapse;width:100%;margin:14px 0;font-size:14px}.exam-content td,.exam-content th{border:1px solid #d7e0ee;padding:12px;vertical-align:top;text-align:left}.exam-content th{background:#f7faff;font-weight:600}.exam-content img{display:block;max-width:100%;height:auto;margin:14px auto;border-radius:5px}.blank-wrap{display:inline-flex;gap:4px;align-items:center;margin:0 4px}.q-number{font-size:11px;color:var(--blue);font-weight:600}.answer-input,.answer-select{width:140px;max-width:100%;border:1px solid #c8d9ef;border-radius:5px;padding:5px 8px;font-size:14px;line-height:1.4;background:#fff;box-shadow:0 1px 3px #243b6405}.answer-input:not(:placeholder-shown),.answer-select.filled{background:#f2f7ff;border-color:#86acf6}.question-item{padding:16px 0}.question-stem{display:flex;gap:10px;align-items:baseline;margin-bottom:12px;line-height:1.8}.question-stem strong{color:var(--blue);font-size:13px;min-width:22px}.option-list{display:grid;gap:8px;padding-left:32px}.option{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--border);border-radius:7px;padding:10px 12px;font-size:14px;line-height:1.8;cursor:pointer}.option:has(input:checked){border-color:#8eb2fc;background:#f5f8ff}.option input{margin-top:6px;accent-color:var(--blue)}.option b{color:#8394af;font-weight:600}.option-bank{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#f8faff;border:1px solid var(--border);border-radius:8px;padding:16px;margin-bottom:18px;font-size:13px;line-height:1.8}.option-bank b{color:var(--blue);margin-right:7px}.matching-row{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px dashed var(--border);align-items:center}.matching-row .question-stem{margin:0}.player-panel{padding:20px;position:sticky;top:18px}.player-heading{display:flex;align-items:center;gap:8px;margin-bottom:14px;font-weight:600}.player-subtitle{font-size:11px;color:var(--muted);margin-bottom:14px}.audio-controls{display:flex;align-items:center;justify-content:center;gap:18px;margin:20px 0}.play-btn{background:var(--blue);color:white;width:49px;height:49px;border-radius:50%;font-size:20px;padding-left:4px}.skip-btn{background:#f2f5fa;border-radius:50%;height:32px;width:32px;color:#7c8ca6;font-size:12px}.audio-progress{width:100%;accent-color:var(--blue);margin:0}.time-row{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin:5px 0 18px;font-variant-numeric:tabular-nums}.player-options{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted);margin-top:14px}.player-options select{margin-left:auto;border:1px solid var(--border);border-radius:5px;background:#fff;padding:5px 8px;font-size:11px}.volume-slider{width:95px;accent-color:var(--blue);margin-left:auto}.loop-controls{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px}.loop-controls button{font-size:10px;padding:6px 8px;background:#f1f5fb;color:#7186a6;border-radius:5px}.loop-controls button.active{background:#e5efff;color:var(--blue)}.player-note{font-size:11px;color:#98a6bc;line-height:1.8;padding-top:16px;margin:16px 0 0;border-top:1px solid var(--border)}.qnav-panel{padding:20px;margin-top:16px}.qnav-panel h3{font-size:13px;margin-bottom:14px}.qnav{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.qnav button{height:33px;border-radius:5px;font-size:12px;background:#f2f5fa;color:#8595ad;border:1px solid transparent}.qnav button.answered{background:#eaf2ff;color:var(--blue);border-color:#d1e2ff}.qnav button.flagged{background:#fff4e4;color:#cd8728;border-color:#f3d7a8}.qnav button.correct{background:#e8f7f1;color:var(--green)}.qnav button.incorrect{background:#fff0f2;color:var(--red)}.nav-legend{font-size:10px;color:var(--muted);display:flex;justify-content:space-between;margin-top:13px}.flag-btn{background:none;color:#b0bdd0;font-size:13px;padding:0 4px}.flag-btn.active{color:var(--orange)}.answered-line{font-size:12px;color:var(--muted);margin:18px 0 0}.answered-line b{color:var(--blue)}.review-tabs{display:flex;gap:22px;border-bottom:1px solid var(--border);margin-bottom:22px}.review-tabs button{background:none;color:#8190a8;font-weight:550;padding:0 0 14px}.review-tabs button.active{color:var(--blue);border-bottom:2px solid var(--blue)}.score-banner{background:linear-gradient(110deg,#edf4ff,#fff);border:1px solid #dfeafb;border-radius:12px;padding:24px 28px;display:flex;align-items:center;gap:30px;margin-bottom:24px}.score-big{font-size:45px;line-height:1;font-weight:700;letter-spacing:-1px;color:var(--blue)}.score-big small{font-size:18px;letter-spacing:0;color:#9ba9bf}.score-info h3{margin-bottom:6px}.score-info p{font-size:12px;color:#8091ab;margin-bottom:0}.score-band{margin-left:auto;text-align:center}.score-band strong{font-size:30px;color:var(--blue);display:block}.score-band span{font-size:10px;color:var(--muted)}.analysis-item{border:1px solid var(--border);border-radius:8px;padding:17px;margin-bottom:14px}.analysis-item.correct{border-left:3px solid var(--green)}.analysis-item.incorrect{border-left:3px solid var(--red)}.answer-row{display:flex;flex-wrap:wrap;gap:16px;font-size:12px;line-height:1.9}.answer-row .given{color:var(--red)}.correct .answer-row .given{color:var(--green)}.answer-row .expected{color:var(--green)}.analysis-body{font-size:13px;color:#74839b;line-height:1.9;margin-top:14px}.analysis-body p{margin-bottom:10px}.transcript{font-size:14px;line-height:2.1;color:#3f5475}.transcript p{padding:6px 0;margin-bottom:8px}.transcript .marker{background:#fff2ce;color:#b88324;padding:2px 5px;border-radius:3px;font-size:12px}.transcript-switch{display:flex;gap:8px;margin-bottom:20px}.history-list{padding:24px}.history-item{display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--border);padding:19px 0}.history-item:first-child{padding-top:0}.history-item:last-child{border-bottom:0}.history-icon{height:42px;width:42px;border-radius:10px;background:#edf4ff;display:grid;place-items:center;color:var(--blue);font-size:18px}.history-main{flex:1}.history-main h3{font-size:14px;margin-bottom:6px}.history-main p{font-size:11px;color:var(--muted);margin:0}.history-score{color:var(--blue);font-size:22px;font-weight:600;white-space:nowrap}.history-score small{color:var(--muted);font-size:12px;font-weight:400}.code-box{background:#f5f7fb;border:1px solid var(--border);border-radius:8px;padding:18px;overflow:auto;font-size:12px;line-height:1.9;color:#4c6285;white-space:pre;tab-size:2}.guide-content{padding:28px}.guide-content h2{margin-top:28px}.guide-content h2:first-child{margin-top:0}.guide-content p{color:var(--muted);font-size:13px;line-height:1.9}.guide-table{width:100%;border-collapse:collapse;font-size:12px;margin-top:16px}.guide-table td,.guide-table th{padding:12px;border-bottom:1px solid var(--border);text-align:left}.guide-table th{background:#f7faff;color:#6d82a4}.review-action-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.review-action-row label{font-size:12px;color:var(--muted)}.review-action-row input{accent-color:var(--blue)}.mobile-submit{display:none}.notice{padding:12px 15px;background:#fff8ed;color:#b6853e;border:1px solid #f7e8ce;border-radius:7px;font-size:12px;line-height:1.8;margin-bottom:20px}.section-heading{display:flex;justify-content:space-between;align-items:center}.section-heading h2{margin:0}.question-group .group-content{overflow-wrap:break-word}.test-select{padding:9px 12px;border:1px solid #dbe6f7;border-radius:7px;background:white;font-size:12px}.wrong-item{padding:20px;border-bottom:1px solid var(--border)}.wrong-item:last-child{border:0}.wrong-actions{display:flex;gap:8px;margin-top:13px}.wrong-title{display:flex;gap:10px;align-items:center;margin-bottom:12px}.wrong-title strong{font-size:14px}.wrong-title span{font-size:11px;color:var(--muted)}.resume-notice{display:flex;gap:12px;align-items:center;margin-bottom:18px;padding:13px 16px;background:#edf4ff;border:1px solid #d8e7ff;border-radius:8px;font-size:12px;color:#607eae}.resume-notice .text-btn{margin-left:auto}.icon-check{color:var(--green)}.icon-cross{color:var(--red)}
@media(min-width:1500px){#app{padding-top:42px}.hero{margin-bottom:32px}}
@media(max-width:1060px){.header-inner{gap:30px}.header-pill{display:none}.layout{grid-template-columns:minmax(0,1fr) 230px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.workspace{grid-template-columns:minmax(0,1fr) 245px}.library-content{padding:20px}.question-panel{padding:22px}.option-bank{grid-template-columns:1fr}.answer-input{width:115px}}
@media(max-width:760px){.site-header{height:auto}.header-inner{padding:16px 18px 0;flex-wrap:wrap;gap:10px}.brand{font-size:17px}.brand-icon{width:34px;height:34px;font-size:24px}.brand small{font-size:8px}.main-nav{gap:26px;height:45px;width:100%;font-size:12px}.main-nav a{padding-bottom:0}#app{padding:22px 16px 38px}.breadcrumb{margin-bottom:18px}.hero{margin-bottom:23px}h1{font-size:24px}.hero p{font-size:12px}.hero-graphic{width:60px;height:60px;flex-shrink:0;margin-right:0}.hero-graphic i{width:4px}.hero-graphic i:nth-child(4){height:39px}.hero-graphic i:nth-child(3),.hero-graphic i:nth-child(5){height:31px}.layout{display:block}.sidebar{margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:12px}.side-panel{padding:18px}.sidebar .tip{grid-column:1/-1}.cards{gap:11px}.card-main{padding:13px 11px 10px}.card-main h3{font-size:12px}.card-top{padding:8px 10px}.card-actions{padding:0 10px 11px}.btn.small{font-size:10px;padding:7px 8px}.library-content{padding:16px}.panel-top{padding:17px 18px 0}.filter-tab{padding:9px 12px;font-size:12px}.filter-box{padding:10px;gap:7px}.chip{padding:6px 9px;font-size:11px}.search-row{margin:20px 0 15px}.search{max-width:155px;padding:8px}.exam-bar{padding:13px;gap:8px}.exam-bar p{width:100%;font-size:11px}.site-footer{margin:0 16px;padding-top:18px;font-size:10px}.practice-top{align-items:flex-start;flex-wrap:wrap;margin-bottom:18px}.practice-top h1{font-size:20px}.practice-actions{width:100%;justify-content:space-between;align-items:center}.workspace{display:flex;flex-direction:column;gap:15px}.workspace>.question-panel{order:2;width:100%}.workspace>.practice-sidebar{order:1;width:100%;display:flex;gap:12px;flex-wrap:wrap}.player-panel{position:static;flex:1;padding:15px}.qnav-panel{margin-top:0;flex:1;padding:15px;min-width:180px}.player-heading{font-size:12px;margin-bottom:10px}.player-subtitle{font-size:10px;margin-bottom:5px}.audio-controls{margin:10px 0;gap:14px}.play-btn{height:39px;width:39px;font-size:16px}.time-row{margin-bottom:10px}.player-options{margin-top:8px}.loop-controls{margin-top:8px}.player-note{display:none}.qnav{grid-template-columns:repeat(5,1fr);gap:5px}.qnav button{height:28px;font-size:11px}.qnav-panel h3{margin-bottom:10px}.nav-legend{font-size:9px}.answered-line{margin-top:10px;font-size:11px}.question-panel{padding:18px}.exam-content{font-size:14px}.exam-content table{font-size:12px;display:block;overflow-x:auto}.exam-content td,.exam-content th{padding:9px;min-width:100px}.answer-input,.answer-select{width:110px;font-size:13px}.option{font-size:13px;padding:8px 10px}.option-list{padding-left:0}.question-stem{font-size:14px}.score-banner{padding:18px;gap:17px}.score-big{font-size:35px}.score-info h3{font-size:13px}.score-info p{font-size:11px}.score-band strong{font-size:24px}.score-info{flex:1}.history-list{padding:18px}.history-item{gap:12px;flex-wrap:wrap}.history-icon{height:35px;width:35px;flex-shrink:0}.history-main h3{font-size:12px}.history-score{font-size:20px}.history-item .btn{font-size:11px;padding:7px 10px}.guide-content{padding:20px}.guide-table{display:block;overflow-x:auto}.review-tabs{gap:18px;font-size:12px}.transcript{font-size:13px}.matching-row{gap:10px}.wrong-title{align-items:flex-start;flex-wrap:wrap}.wrong-item{padding:18px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.review-audio{width:100%;height:40px;margin:10px 0}
.account-nav{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;gap:6px;white-space:nowrap}.account-nav #sync-status{font-size:10px;color:var(--muted)}.account-button{padding:9px 14px;border-radius:8px;background:var(--blue-soft);color:var(--blue);max-width:230px;overflow:hidden;text-overflow:ellipsis}.account-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#edf4ff;border:1px solid #dae7ff;border-radius:10px;padding:14px 18px;margin-bottom:20px;color:#607eae;font-size:13px}.resume-panel{padding:20px 24px;margin-bottom:20px}.resume-panel h2{font-size:16px}.resume-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.resume-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--border);border-radius:8px}.resume-item strong{font-size:13px}.resume-item p{font-size:11px;color:var(--muted);margin:6px 0 0}.auth-panel{max-width:500px;margin:0 auto;padding:28px}.auth-tabs{display:flex;gap:18px;border-bottom:1px solid var(--border);margin-bottom:24px}.auth-tabs button{background:none;padding:0 0 13px;color:var(--muted)}.auth-tabs button.active{border-bottom:2px solid var(--blue);color:var(--blue);font-weight:650}.account-form{display:grid;gap:16px}.account-form label{display:grid;gap:8px;color:#536b8b;font-size:13px}.account-form input{border:1px solid #d4deec;border-radius:7px;padding:11px 12px;width:100%;font-size:14px;min-width:0}.account-form .subtext{font-size:12px;line-height:1.9;margin:0}.form-error{font-size:13px;line-height:1.7;padding:10px 12px;background:#fff0f2;border:1px solid #f1cfd5;border-radius:6px;color:var(--red);margin:0}.account-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px}.account-overview{padding:28px}.account-overview h2{font-size:18px;margin-bottom:24px}.account-overview>.subtext{line-height:1.9;margin:24px 0}.account-overview>.btn{margin:4px 8px 4px 0}.account-stats{display:flex;justify-content:space-between;text-align:center;gap:15px;padding:20px 0}.account-stats strong{display:block;font-size:30px;color:var(--blue);margin-bottom:8px}.account-stats span{font-size:12px;color:var(--muted)}.recovery-dialog textarea{width:100%;height:95px;resize:none;border:1px solid var(--border);background:#f7faff;padding:12px;border-radius:6px;color:var(--ink);font:14px/1.8 monospace;overflow-wrap:anywhere}
@media(max-width:1060px){.header-inner{gap:24px}.account-nav{display:flex}.main-nav{gap:20px}.account-nav #sync-status{max-width:165px;white-space:normal;text-align:right}.account-button{max-width:175px}}
@media(max-width:760px){.brand{order:0}.account-nav{order:1;max-width:165px}.main-nav{order:2;justify-content:space-between;gap:12px}.account-nav #sync-status{font-size:9px}.account-button{max-width:155px;font-size:12px}.account-layout,.resume-list{grid-template-columns:1fr}.account-overview,.auth-panel{padding:22px}.auth-tabs{gap:20px;font-size:13px}.account-banner{font-size:11px;padding:12px;align-items:flex-start}.account-banner .btn{flex-shrink:0}.resume-panel{padding:18px}.resume-panel .section-heading{align-items:flex-start;gap:10px}.resume-panel .subtext{font-size:10px}.resume-item{padding:11px}.resume-item strong{font-size:12px}.practice-meta{flex-wrap:wrap;gap:8px}}
.passkey-login{margin:8px 0 24px}.passkey-button{width:100%;gap:10px;justify-content:center;background:#172b4d;min-height:46px}.passkey-login p{font-size:12px;color:var(--muted);line-height:1.8;margin:12px 0 20px}.auth-divider{display:flex;align-items:center;gap:14px;color:#98a6bc;font-size:11px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.passkey-panel{grid-column:1/-1}.passkey-panel .section-heading{gap:12px}.passkey-panel .section-heading h2{margin:0}.passkey-panel h2 small{color:var(--muted);font-weight:400;font-size:12px}.passkey-panel>.subtext{margin:18px 0}.passkey-item{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--border);padding:16px 0}.passkey-item:last-child{padding-bottom:0}.passkey-item strong{font-size:14px}.passkey-item p{font-size:11px;color:var(--muted);margin:7px 0 0}.passkey-dialog .dialog-actions{margin-top:4px}.passkey-dialog h3{margin-bottom:0}.passkey-dialog .subtext{line-height:1.9}.passkey-dialog input{font-size:16px}.passkey-login .btn:disabled{background:#8190a3}@media(max-width:760px){.passkey-panel h2{font-size:16px}.passkey-panel .section-heading{align-items:center}.passkey-item{gap:12px}.passkey-item p{font-size:10px}.passkey-panel>.subtext{font-size:12px}}
.hero>div:first-child{min-width:0}.hero h1{overflow-wrap:anywhere}.passkey-item>div{min-width:0;overflow-wrap:anywhere}
.passkey-panel{order:-1}.passkey-login .form-error{color:var(--red);margin:12px 0}
/* IELTS vocabulary and challenge room */
.main-nav{gap:22px}.header-inner{gap:30px}.vocab-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:0 0 24px}.vocab-stats>div{background:white;border:1px solid var(--border);border-radius:12px;padding:22px;text-align:center}.vocab-stats strong{display:block;font-size:28px;color:var(--blue);margin-bottom:7px}.vocab-stats span{font-size:12px;color:var(--muted)}.wordbook-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.wordbook-card{padding:26px;position:relative}.wordbook-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:15px;background:#edf4ff;color:var(--blue);font-size:25px;font-weight:700;margin-bottom:18px}.wordbook-icon.listening-synonyms{background:#e8f7ef;color:#229773}.wordbook-icon.vocabulary-bible{background:#f2edff;color:#8a6dd5}.wordbook-icon.listening-corpus{background:#fff4e5;color:#c89438}.wordbook-category{position:absolute;right:26px;top:34px;padding:5px 9px;background:#f7f9fc;color:var(--muted);border-radius:6px;font-size:11px}.wordbook-card h2{font-size:19px;margin-bottom:9px}.wordbook-card p{color:var(--muted);font-size:12px;line-height:1.9;min-height:42px}.wordbook-count{font-size:12px;color:var(--muted);margin:18px 0 12px}.wordbook-count strong{font-size:25px;color:var(--ink);margin-right:5px}.wordbook-progress{width:100%;height:7px;border:none;border-radius:10px;appearance:none;accent-color:var(--blue)}.wordbook-progress::-webkit-progress-bar{background:#f0f4fa;border-radius:10px}.wordbook-progress::-webkit-progress-value{background:var(--blue);border-radius:10px}.wordbook-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:11px;margin:9px 0 22px}.wordbook-card>.btn{width:100%;justify-content:center}.vocabulary-links{margin-top:24px;padding:20px;display:grid;grid-template-columns:1fr 1fr;gap:20px}.vocabulary-links a{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:10px}.vocabulary-links strong{font-size:14px}.vocabulary-links span{font-size:11px;color:var(--muted)}.wordbook-workspace{padding:24px}.vocab-study-toolbar{display:flex;align-items:flex-end;gap:14px;border-bottom:1px solid var(--border);padding-bottom:22px;flex-wrap:wrap}.vocab-study-toolbar label,.vocab-filter-row label{display:grid;gap:7px;font-size:11px;color:var(--muted)}.vocab-study-toolbar select,.vocab-filter-row select,.vocab-filter-row input{padding:10px 12px;border:1px solid #d9e3ef;border-radius:7px;background:white;font-size:13px}.vocab-filter-row{display:flex;gap:14px;margin:22px 0;align-items:flex-end;flex-wrap:wrap}.vocab-search{margin-left:auto;min-width:220px}.vocab-results{color:var(--muted);font-size:11px;margin-bottom:12px}.word-row{display:flex;align-items:center;gap:16px;padding:18px 0;border-top:1px solid var(--border)}.vocab-star{background:none;color:#bac6d7;font-size:23px;width:24px;flex-shrink:0}.vocab-star.active{color:#e2ac41}.word-row-main{flex:1;min-width:0}.word-row-main strong{font-size:16px;color:#233d60;overflow-wrap:anywhere}.word-phone{font-size:12px;color:#94a1b7;overflow-wrap:anywhere}.word-row-main>.word-phone{margin-left:16px}.word-row-main p{font-size:13px;line-height:1.8;color:#72829a;margin:7px 0}.word-flags{display:flex;flex-wrap:wrap;gap:9px;font-size:10px;color:#93a1b6}.word-flags .is-wrong{color:var(--red);background:#fff0f2;padding:2px 5px;border-radius:4px}.vocab-pagination{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:24px;font-size:12px;color:var(--muted)}.vocabulary-note{font-size:11px;line-height:1.9;color:#96a4b8;margin:20px 0;text-align:center}.vocabulary-detail{padding:32px;max-width:900px;margin:auto}.vocab-detail-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.vocab-detail-top>div{min-width:0}.vocab-detail-top h1{font-size:32px;margin:12px 0;overflow-wrap:anywhere}.vocab-detail-audio{display:flex;gap:12px;margin:22px 0}.word-definition{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:23px 0;margin-bottom:22px;color:#4a5d78;font-size:16px;line-height:1.9}.word-definition p{margin:8px 0}.word-detail-flags{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:18px}.word-detail-flags .btn{font-size:12px;padding:9px 12px}.word-note-label{display:grid;gap:10px;font-size:13px;margin:28px 0 14px}.word-note-label textarea{font:inherit;font-size:14px;line-height:1.8;min-height:140px;padding:14px;border:1px solid #d9e3ef;border-radius:8px;resize:vertical;color:var(--ink);width:100%}.vocab-note-actions{display:flex;justify-content:space-between;align-items:center;gap:12px}.vocab-note-actions .subtext{font-size:11px}.game-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}.game-card{padding:30px;border:1px solid #daeee4;background:linear-gradient(140deg,#f4fcf8,#fff 65%)}.game-card.dance{border-color:#f1e4ce;background:linear-gradient(140deg,#fff8eb,#fff 65%)}.game-icon{height:65px;width:65px;background:#e0f5e9;color:#27916d;display:grid;place-items:center;font-size:32px;border-radius:20px;margin-bottom:23px}.dance .game-icon{background:#fff0d8;color:#c79335}.game-card h2{font-size:23px;margin-bottom:12px}.game-card p{font-size:13px;color:var(--muted);line-height:1.9;max-width:350px}.game-card-meta{font-size:12px;line-height:2;color:#789184;margin:20px 0}.dance .game-card-meta{color:#a59679}.game-mode-buttons{display:flex;gap:12px}.game-mode-buttons .btn{flex:1;display:block;text-align:center}.game-mode-buttons span{display:block;font-size:10px;margin-top:6px;opacity:.7}.game-leaderboard{padding:26px;margin-top:26px}.game-leaderboard h2{font-size:18px}.game-leaderboard>.subtext{font-size:12px;line-height:1.9;margin:18px 0}.leaderboard-tabs{display:flex;gap:10px;flex-wrap:wrap}.ranking-list{margin-top:20px}.ranking-list>div{display:flex;align-items:center;gap:18px;padding:16px 0;border-bottom:1px solid var(--border)}.rank-number{color:#c49a46;font-size:20px;font-weight:650;width:22px}.ranking-list strong{font-size:14px;overflow-wrap:anywhere;min-width:0}.ranking-list>div>span:last-child{margin-left:auto;font-size:11px;color:var(--muted)}.vocab-checkbox{display:flex!important;align-items:center!important;gap:10px!important;line-height:1.8}.vocab-checkbox input{width:auto!important;margin:0;accent-color:var(--blue)}.vocab-game-hud{display:flex;align-items:center;justify-content:space-between;background:white;border:1px solid var(--border);border-radius:12px;padding:18px 26px;margin:20px 0;gap:18px}.vocab-game-hud>div span{font-size:10px;color:var(--muted);display:block;margin-bottom:6px}.vocab-game-hud strong{font-size:26px;color:var(--blue);font-variant-numeric:tabular-nums}.vocab-game-hud small{font-size:9px;color:#98a7bf;margin-left:6px}.vocab-fx{font-size:11px;color:var(--muted);display:flex;gap:7px}.vocab-fx input{accent-color:var(--blue)}.synonym-arena{padding:26px;background:linear-gradient(160deg,#f6fff9,#fff)}.synonym-arena-top{display:flex;gap:12px;align-items:center;font-size:12px;color:#829a8e;margin-bottom:18px}.synonym-arena-top>span{margin-right:auto}.game-time{display:flex;align-items:center;gap:16px;margin:20px 0;color:#779485;font-size:11px;font-variant-numeric:tabular-nums}.game-time>span{min-width:110px}.game-time progress{width:100%;height:9px;accent-color:#27b882;border:none;border-radius:9px;appearance:none}.game-time progress::-webkit-progress-bar{background:#eaf2ee;border-radius:9px}.game-time progress::-webkit-progress-value{background:#27b882;border-radius:9px}.game-time progress.warning::-webkit-progress-value{background:#ee7c72}.synonym-message{min-height:40px;font-size:13px;line-height:1.8;color:#7c9488;text-align:center;padding:7px;margin-bottom:12px}.synonym-message.correct{font-weight:700;color:#1c9b71}.synonym-message.wrong{color:var(--red)}.synonym-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:stretch}.synonym-tile{border:1px solid #deeee5;background:#fff;color:#335948;min-height:84px;padding:13px;border-radius:15px;font-size:16px;font-weight:600;line-height:1.5;overflow-wrap:anywhere;box-shadow:0 5px 14px #205c4105;transition:transform .2s,border-color .2s,background .2s}.synonym-tile:hover{transform:translateY(-2px);border-color:#9ed9b9}.synonym-tile.selected{background:#ddf6e7;border-color:#32bd83;box-shadow:0 0 0 2px #49c78e22;color:#19754f}.synonym-tile.hinted{background:#fff4cf;border-color:#e4ba4c}.synonym-tile.wrong{animation:vocab-shake .3s;background:#fff0f2;border-color:#e7b4ba}.synonym-tile.cleared{visibility:hidden;pointer-events:none}.vocab-study-panel{padding:35px 32px;text-align:center;max-width:900px;margin:auto;position:relative;overflow:hidden;min-height:380px}.vocab-study-content{position:relative;z-index:2}.vocab-prompt{font-size:12px;color:var(--muted);line-height:1.8;margin:12px 0 24px}.vocab-question-word{font-size:30px;margin:22px auto;line-height:1.7;max-width:740px;overflow-wrap:anywhere}.flashcard-definition{background:#f4f8ff;border:1px solid #e2ecfb;padding:20px;border-radius:12px;margin:24px auto;color:#6b7f9b;max-width:650px;line-height:1.9}.vocab-card-answer{display:flex;justify-content:center;gap:12px;margin-top:24px}.vocab-choices{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px auto;max-width:730px}.vocab-choice{background:#f9fbff;border:1px solid #dce5f3;border-radius:10px;padding:17px 20px;min-height:80px;font-size:14px;color:#536d91;line-height:1.8}.vocab-choice.correct{background:#e3f7ec;border-color:#99d9b9;color:#238255}.vocab-study-panel #vocab-answer{border:1px solid #cfddee;border-radius:10px;padding:14px 18px;text-align:center;letter-spacing:.5px;font-size:21px;width:100%;margin:22px 0 16px;max-width:600px;background:#fff;color:#244366}.vocab-answer-actions{display:flex;justify-content:space-between;align-items:center;gap:15px;max-width:600px;margin:auto}.vocab-feedback{padding:18px;border-radius:10px;margin:22px auto;max-width:650px;font-size:14px;line-height:1.8}.vocab-feedback.correct{background:#eaf8f0;color:#288665}.vocab-feedback.incorrect{background:#fff1f3;color:#bf6471}.vocab-feedback strong{font-size:20px}.vocab-feedback p{margin:9px 0 4px}.vocab-feedback>span{font-size:12px}.vocab-input-status{font-size:10px;color:var(--muted);margin:23px 0 0}.vocab-hint{color:#bc9146;font-size:12px;margin:16px 0}.vocab-audio-wave{height:75px;display:flex;align-items:center;justify-content:center;gap:7px;margin:18px auto 24px}.vocab-audio-wave i{width:6px;height:25px;background:#88b1f8;border-radius:5px;animation:vocab-wave 1.3s ease-in-out infinite}.vocab-audio-wave i:nth-child(2),.vocab-audio-wave i:nth-child(4){height:43px;animation-delay:.2s}.vocab-audio-wave i:nth-child(3){height:62px;animation-delay:.4s}.dance-arena{background:radial-gradient(ellipse at top,#243857,#111d35 60%);border-color:#344565;color:#e1e9f8;min-height:450px}.dance-arena .vocab-prompt,.dance-arena .vocab-input-status{color:#a0b1cd}.dance-arena .game-time{color:#b0c8ee}.dance-play{background:#284c77;color:#a9d5fc;border:1px solid #4c789e}.dance-submit{background:#e4bf6b;color:#3a301c;font-weight:650}.dance-arena .vocab-audio-wave i{background:#69d9d1;box-shadow:0 0 15px #7ce5d453}.dance-arena .vocab-feedback.correct{background:#184c42;color:#84e6be}.dance-arena .vocab-feedback.incorrect{background:#56334c;color:#f2a5b9}.dance-floor{position:absolute;inset:25% -20% -65%;border:1px solid #4988ab4d;transform:perspective(450px) rotateX(58deg);transform-origin:center center;background:linear-gradient(0deg,transparent 95%,#4d9ab93b 95%) 0 0/100% 40px,linear-gradient(90deg,transparent 95%,#4d9ab933 95%) 0 0/25% 100%;box-shadow:inset 0 0 100px #227cbe33;overflow:hidden}.dance-floor>i{position:absolute;top:0;bottom:0;width:1px;background:linear-gradient(#559caf00,#5dccd78c);left:20%}.dance-floor>i:nth-child(2){left:40%}.dance-floor>i:nth-child(3){left:60%}.dance-floor>i:nth-child(4){left:80%}.dance-note{position:absolute;top:-20%;font-size:36px;color:#8bf4d8;text-shadow:0 0 18px #53c6d1;animation:dance-travel 6s linear infinite;left:22%}.dance-note.n2{left:52%;animation-delay:2s;color:#a0bafc}.dance-note.n3{left:72%;animation-delay:4s;color:#ecd394}.waiting .dance-note{animation-play-state:paused}.vocab-result{padding:30px;text-align:center}.vocab-result-score strong{display:block;color:var(--blue);font-size:58px;line-height:1.2}.vocab-result-score span{font-size:12px;color:var(--muted)}.vocab-result-stats{display:flex;justify-content:center;gap:70px;margin:28px 0}.vocab-result-stats strong{display:block;font-size:24px;margin-bottom:8px}.vocab-result-stats span{color:var(--muted);font-size:11px}.vocab-result-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.vocab-result-review{padding:26px;margin-top:24px}.vocab-result-review h2{font-size:18px;margin-bottom:18px}.vocab-review-row{padding:17px 0;border-top:1px solid var(--border);line-height:1.9;font-size:13px}.vocab-review-row strong{font-size:15px;overflow-wrap:anywhere}.vocab-review-row>span{float:right;font-size:11px;color:#24966e;margin-left:16px}.vocab-review-row.incorrect>span,.vocab-review-row .given{color:var(--red)}.vocab-review-row p{margin:8px 0 0;color:#7c8aa0}.vocab-study-content #vocab-answer-form{margin:0}@keyframes vocab-wave{50%{transform:scaleY(.55);opacity:.7}}@keyframes vocab-shake{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}@keyframes dance-travel{to{top:105%;transform:scale(1.5)}}
@media(max-width:1060px){.header-inner{gap:20px}.main-nav{gap:15px;font-size:12px}.account-nav{max-width:150px}.wordbook-grid{gap:18px}.vocabulary-links{grid-template-columns:1fr}.vocab-search{margin-left:0}}
@media(max-width:760px){.main-nav{width:100%;overflow-x:auto;justify-content:flex-start;gap:23px;white-space:nowrap;scrollbar-width:none}.main-nav::-webkit-scrollbar{display:none}.main-nav a{flex-shrink:0}.vocab-stats{gap:9px;margin-bottom:18px}.vocab-stats>div{padding:15px 5px}.vocab-stats strong{font-size:23px}.vocab-stats span{font-size:10px}.wordbook-grid,.game-cards{grid-template-columns:1fr;gap:16px}.wordbook-card{padding:23px}.wordbook-card h2{font-size:18px}.wordbook-category{top:29px;right:22px}.wordbook-count strong{font-size:23px}.wordbook-card p{min-height:0}.vocabulary-links{padding:14px;gap:8px}.vocabulary-links a{display:block}.vocabulary-links span{display:block;margin-top:9px;line-height:1.8}.wordbook-workspace{padding:18px}.vocab-study-toolbar{gap:12px;align-items:flex-end}.vocab-study-toolbar .btn{font-size:12px;padding:10px 12px}.vocab-study-toolbar select,.vocab-filter-row select{padding:9px;font-size:12px}.vocab-filter-row{gap:10px}.vocab-search{width:100%;min-width:0}.word-row{gap:10px;padding:15px 0}.word-row-main strong{font-size:15px}.word-row-main>.word-phone{display:block;margin:5px 0 0;font-size:10px}.word-row-main p{font-size:12px}.word-row>.btn{padding:7px;flex-shrink:0;font-size:11px}.vocab-star{font-size:20px;width:22px}.vocabulary-detail{padding:22px}.vocab-detail-top{flex-wrap:wrap;gap:12px}.vocab-detail-top h1{font-size:29px}.vocab-detail-audio{gap:10px}.vocab-detail-audio .btn{font-size:12px}.word-definition{font-size:14px}.word-note-label textarea{font-size:16px}.vocab-note-actions{align-items:flex-start}.game-card{padding:25px}.game-card h2{font-size:22px}.game-card-meta{font-size:11px}.game-leaderboard{padding:20px}.game-leaderboard h2{font-size:16px}.game-leaderboard .section-heading{gap:10px}.game-leaderboard .btn{font-size:10px}.ranking-list>div{gap:12px;flex-wrap:wrap}.ranking-list>div>span:last-child{font-size:10px}.vocab-game-hud{padding:16px;gap:12px}.vocab-game-hud strong{font-size:22px}.vocab-game-hud small{display:block;font-size:8px;margin:4px 0 0}.vocab-game-hud>div span{font-size:9px}.synonym-arena{padding:17px}.synonym-arena-top{gap:7px;flex-wrap:wrap}.synonym-arena-top .btn{font-size:10px;padding:7px}.synonym-arena-top>span{font-size:10px}.synonym-tiles{gap:8px}.synonym-tile{padding:11px 5px;min-height:84px;font-size:12px;border-radius:10px}.game-time{gap:10px;font-size:10px}.game-time>span{min-width:80px}.synonym-message{font-size:12px;margin-bottom:10px}.vocab-study-panel{padding:22px 18px}.vocab-question-word{font-size:24px;line-height:1.8}.vocab-prompt{font-size:11px;margin-bottom:16px}.vocab-choices{grid-template-columns:1fr;gap:9px}.vocab-choice{font-size:13px;min-height:62px;padding:14px}.vocab-study-panel #vocab-answer{font-size:19px;padding:13px 10px}.vocab-answer-actions{gap:10px}.vocab-answer-actions .btn{font-size:12px}.vocab-card-answer{gap:10px}.vocab-card-answer .btn{font-size:12px;padding:10px 12px}.vocab-result{padding:24px 18px}.vocab-result-stats{gap:25px}.vocab-result-stats strong{font-size:21px}.vocab-result-stats span{font-size:10px}.vocab-result-actions .btn{font-size:11px;padding:10px}.vocab-result-review{padding:20px}.vocab-review-row{font-size:12px}.vocab-review-row strong{font-size:13px}}
@media(prefers-reduced-motion:reduce){.dance-note,.vocab-audio-wave i,.synonym-tile.wrong{animation:none!important}.synonym-tile{transition:none!important}}
/* Matching feedback stays at the position of each disappearing word. */
.game-audio-controls{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.synonym-tiles{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.synonym-tile-wrap{position:relative;min-width:0;min-height:62px;display:flex;align-items:center;justify-content:center}
.synonym-tile-wrap .synonym-tile{width:100%;min-height:62px;border-radius:13px;font-size:15px;padding:9px;line-height:1.35}
.synonym-tile-wrap.is-clearing .synonym-tile.cleared{visibility:visible;animation:synonym-vanish .26s ease-out forwards}
.synonym-floating-meaning{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;color:#158561;font-size:15px;font-weight:750;line-height:1.45;padding:4px;pointer-events:none;animation:synonym-meaning-rise 1.7s ease-out both;text-shadow:0 2px 8px #fff}
.synonym-judgement-pop{animation:synonym-judgement .45s cubic-bezier(.2,.8,.3,1.2);font-size:17px}
.synonym-transitioning .synonym-tiles,.synonym-transitioning .synonym-arena-top button{pointer-events:none}
@keyframes synonym-vanish{0%{opacity:1;transform:scale(1);background:#d1f8e4}45%{opacity:.75;transform:scale(1.07)}100%{opacity:0;transform:scale(.75);visibility:hidden}}
@keyframes synonym-meaning-rise{0%{opacity:0;transform:translateY(12px) scale(.92)}15%,70%{opacity:1;transform:translateY(0) scale(1)}100%{opacity:0;transform:translateY(-22px) scale(1)}}
@keyframes synonym-judgement{0%{transform:scale(.9);opacity:.4}55%{transform:scale(1.04)}100%{transform:scale(1);opacity:1}}
@media(max-width:960px){.synonym-tiles{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:760px){.game-audio-controls{gap:10px;max-width:110px}.synonym-tiles{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.synonym-tile-wrap,.synonym-tile-wrap .synonym-tile{min-height:60px}.synonym-tile-wrap .synonym-tile{font-size:12px;padding:8px 5px}.synonym-floating-meaning{font-size:13px}.synonym-judgement-pop{font-size:13px}}
@media(prefers-reduced-motion:reduce){.synonym-tile-wrap.is-clearing .synonym-tile.cleared{animation:none;visibility:hidden}.synonym-floating-meaning,.synonym-judgement-pop{animation:none}}
/* Arcade layout observed in the authenticated reference game. */
.synonym-play-mode{background:#108faf;min-height:100vh;background-image:radial-gradient(circle at 6% -2%,#39b724 0 70px,transparent 72px),radial-gradient(circle at 1% 3%,#138a3a 0 82px,transparent 84px),radial-gradient(circle at 13% 5%,#42b832 0 75px,transparent 77px),radial-gradient(circle at 94% -2%,#39b724 0 70px,transparent 72px),radial-gradient(circle at 99% 3%,#138a3a 0 82px,transparent 84px),radial-gradient(circle at 88% 5%,#42b832 0 75px,transparent 77px),linear-gradient(#078dc2,#1197b0)}
.synonym-play-mode .site-header,.synonym-play-mode .site-footer{display:none}.synonym-play-mode #app{max-width:1000px;padding:28px 24px;margin:0 auto;min-height:100vh}
.synonym-game-panel{border:3px solid #a2ecfa;border-radius:25px;background:#40c2dd;overflow:hidden;box-shadow:0 18px 50px #075d7530}
.synonym-game-header{background:#106b8b;display:flex;justify-content:space-between;align-items:flex-start;padding:15px 28px;color:white;gap:16px;min-height:114px}
.synonym-game-header h1{color:white;font-size:25px;margin:0;display:inline-block;letter-spacing:.4px}.synonym-game-header #synonym-wave{display:inline-block;margin:0 0 0 18px;font-size:13px;color:#e9fbff;font-weight:650}
.synonym-header-actions{display:flex;flex-direction:column;align-items:flex-end;gap:9px}.synonym-gold{background:linear-gradient(#eab765,#b96a24);border:2px solid #ffe4b1;color:white;box-shadow:0 4px 0 #87521b;padding:9px 12px;border-radius:12px;font-size:12px;font-weight:650}.synonym-header-actions .game-audio-controls{gap:10px;color:white}.synonym-header-actions .vocab-fx{color:#def9ff;font-size:10px;white-space:nowrap}
.synonym-game-status{margin:14px 20px 12px;padding:13px 15px;background:#16738c;border-radius:16px;display:flex;align-items:center;gap:24px;min-height:82px;box-shadow:0 5px 18px #075b7a24}
.synonym-clock{flex:1;min-width:0;position:relative}.synonym-clock .game-time{margin:0;display:flex;flex-direction:column;align-items:stretch;gap:5px;color:#e0fbff}.synonym-clock .game-time>span{align-self:flex-end;min-width:0;font-size:11px;font-weight:700}.synonym-clock progress{height:9px;accent-color:#9debff}.synonym-clock progress::-webkit-progress-bar{background:#064559}.synonym-clock progress::-webkit-progress-value{background:linear-gradient(90deg,#64dcff,#deffff)}
.synonym-timer-grades{display:flex;justify-content:space-between;font-size:9px;font-weight:700;color:#bbebfb;letter-spacing:.8px;margin-top:5px}
.synonym-clock .synonym-message{position:absolute;left:20%;right:20%;top:-8px;min-height:0;padding:0;margin:0;text-align:center;color:#ffea78;text-shadow:0 2px 2px #063b58;font-size:16px;font-weight:750;pointer-events:none}
.synonym-clock .synonym-message.wrong,.synonym-clock .synonym-message.hint{color:#ffe1df;font-size:11px;top:-5px;line-height:1.4;left:5%;right:5%}
.synonym-arcade-score{text-align:center;min-width:62px;position:relative}.synonym-arcade-score>span{font-size:9px;color:#fff1b4;font-weight:750;letter-spacing:2px;display:block}.synonym-arcade-score strong{display:block;font-size:47px;color:#ffec6c;line-height:1;text-shadow:0 3px 0 #c37619,0 5px 7px #052d4c;font-variant-numeric:tabular-nums}.synonym-arcade-score small{display:block;color:#fff1b4;font-size:10px;margin-top:4px;font-weight:700}
.synonym-game-panel .synonym-arena{margin:0 20px;padding:13px;background:linear-gradient(#184962,#102b43);border:4px solid #146786;border-radius:17px;box-shadow:0 6px 0 #258eab;min-height:260px}
.synonym-game-panel .synonym-tiles{gap:9px}.synonym-game-panel .synonym-tile-wrap{min-height:59px}
.synonym-game-panel .synonym-tile{color:#194c64;background:linear-gradient(#fff,#d7f4fa 75%,#bfe5ef);border:2px solid #9fd4e1;box-shadow:0 4px 0 #72b7c8;min-height:59px;font-size:19px;font-weight:750;border-radius:13px;line-height:1.15;padding:6px 9px}
.synonym-game-panel .synonym-tile.selected{background:linear-gradient(#fff7bd,#ffe37b);border-color:#fff2a0;color:#785019;box-shadow:0 4px 0 #ca9f3e}.synonym-game-panel .synonym-tile.hinted{background:linear-gradient(#e6ffd9,#b7f38e);border-color:#d3ffb8;color:#36591d;box-shadow:0 4px 0 #79b34e}
.synonym-game-panel .synonym-floating-meaning{color:#ffef9c;text-shadow:0 2px 3px #04243b;font-size:16px;font-weight:750}.synonym-save-note{font-size:10px;color:#d8faff;text-align:center;margin:17px 18px 13px;line-height:1.8}
@media(max-width:760px){.synonym-play-mode #app{padding:12px 9px}.synonym-game-header{padding:15px;flex-wrap:wrap;min-height:0;gap:15px}.synonym-game-header h1{font-size:22px}.synonym-game-header #synonym-wave{margin-left:12px;font-size:11px}.synonym-header-actions{width:100%;flex-direction:row;align-items:center;justify-content:space-between}.synonym-header-actions .game-audio-controls{max-width:none;gap:8px}.synonym-gold{font-size:10px;padding:8px}.synonym-game-status{margin:12px 10px;padding:12px;gap:12px}.synonym-game-panel .synonym-arena{margin:0 10px;padding:10px;min-height:260px}.synonym-game-panel .synonym-tiles{gap:8px}.synonym-game-panel .synonym-tile{font-size:14px;min-height:61px;padding:5px;line-height:1.25}.synonym-game-panel .synonym-tile-wrap{min-height:61px}.synonym-game-panel .synonym-floating-meaning{font-size:13px}.synonym-arcade-score strong{font-size:35px}.synonym-arcade-score{min-width:49px}.synonym-clock .synonym-message{font-size:12px;left:8%;right:8%}.synonym-clock .synonym-message.wrong,.synonym-clock .synonym-message.hint{font-size:10px;left:0;right:0}.synonym-timer-grades{font-size:8px}.synonym-save-note{font-size:9px}}
.dance-title{font-size:26px;margin:0 0 18px}.dance-timer-grades{display:flex;justify-content:space-between;margin:-13px 0 24px;font-size:9px;font-weight:650;letter-spacing:1px;color:#7891b6}.dance-definition-toggle{display:inline-flex;gap:9px;align-items:center;border:1px solid #dce6f3;border-radius:24px;padding:7px 12px;font-size:12px;color:#7790b0}.dance-definition-toggle input{accent-color:#10b981}.dance-definition-card{min-height:125px;max-width:620px;margin:18px auto 30px;border:1px solid #e1e9f3;display:flex;align-items:center;justify-content:center;padding:25px;font-size:16px;line-height:1.9;border-radius:20px;box-shadow:0 12px 24px #10233a10;background:#ffffffb8;color:#43546e}.dance-voice-actions{display:flex;justify-content:center;gap:12px}.dance-voice-actions .btn{font-size:12px}.vocab-letter-orbs{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:7px;min-height:35px;margin:16px auto;max-width:620px}.vocab-letter-orbs>span{width:30px;height:30px;display:grid;place-items:center;background:radial-gradient(circle at 30% 25%,#b5f9f5,#1bb7b4);color:white;border-radius:50%;box-shadow:0 2px 9px #11aaa555;font-size:18px;font-weight:650}.vocab-letter-orbs .space-orb{opacity:.4}.dance-keyboard-toggle{margin:18px 0 4px;background:none;color:#7d97b6;font-size:12px;padding:7px}.vocab-keyboard{display:none;max-width:660px;margin:15px auto}.vocab-keyboard.force-visible{display:block}.vocab-key-row{display:flex;justify-content:center;gap:5px;margin:6px 0}.vocab-key-row button{flex:1;max-width:50px;background:#e4ecf7;color:#2e4668;border:1px solid #cbd7e8;border-radius:8px;padding:13px 4px;font-size:16px;box-shadow:0 3px 0 #aab9cf}.vocab-key-row .space-key{max-width:260px;flex:5}.vocab-key-row .enter-key{max-width:160px;flex:3;background:#edc66e;color:#574218}.dance-arena.dance-2d{background:linear-gradient(#fff,#f5f8fc);border-color:#e0e8f2;color:#162d4d}.dance-2d .vocab-prompt,.dance-2d .vocab-input-status{color:#7d8ea7}.dance-2d .game-time{color:#7c8da6}.dance-2d .game-time progress::-webkit-progress-value{background:linear-gradient(90deg,#ff879b,#d86de6)}.dance-2d .game-time progress::-webkit-progress-bar{background:#e8edf5}.dance-2d .vocab-feedback.correct{background:#e9f8ef;color:#188765}.dance-2d .vocab-feedback.incorrect{background:#fff0f3;color:#bf5569}.dance-3d .dance-definition-card{background:#112842b5;border-color:#68b4c238;color:#c7e9ed;box-shadow:0 12px 35px #0b1826a0}.dance-3d .dance-definition-toggle{border-color:#496889;color:#b5d7e7}.dance-3d .vocab-key-row button{background:#243958;border-color:#395b82;color:#cbe7ff;box-shadow:0 3px 0 #152940}.dance-3d .vocab-key-row .enter-key{background:#e1b45e;color:#473820}
@media(max-width:760px){.vocab-keyboard{display:block}.dance-definition-card{min-height:110px;padding:20px;font-size:14px;margin:15px auto 20px}.dance-title{font-size:23px}.dance-voice-actions{gap:9px}.dance-voice-actions .btn{font-size:11px;padding:10px}.vocab-key-row{gap:4px}.vocab-key-row button{font-size:14px;padding:12px 2px;border-radius:6px}.vocab-letter-orbs{gap:5px}.vocab-letter-orbs>span{width:25px;height:25px;font-size:16px}.dance-definition-toggle{font-size:11px}.dance-keyboard-toggle{display:none}.dance-timer-grades{margin-bottom:18px}}