*{box-sizing:border-box}body{margin:0;background:#f5f6f8;color:#101827;font:14px/1.5 Inter,Arial,sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible,summary:focus-visible{outline:3px solid var(--brand-accent);outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.pyq-logo{height:24px;width:auto;object-fit:contain;margin-left:1px;margin-bottom:4px}.pyq-nav>a{display:flex;align-items:flex-end;text-decoration:none;gap:0}.logo-word{font:700 20px/1 BDO,Arial,sans-serif;letter-spacing:-.6px;color:#000}.v-main{max-width:1440px;padding:34px 28px 40px;margin:auto}.v-hero{text-align:center}.v-hero h1{font:600 48px/1.15 BDO,Inter,Arial,sans-serif;letter-spacing:-1.5px;margin:0 0 10px}.v-hero p{font-size:20px;color:#66758b;margin:0 0 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var(--brand-light);background:white;border-radius:16px}.v-list-panel{overflow:hidden;display:flex;flex-direction:column;height:600px}.v-list-panel>header{display:flex;justify-content:space-between;align-items:center;padding:20px 20px 12px}.v-list-panel h2{font:600 23px BDO,Inter,Arial,sans-serif;margin:0;letter-spacing:-.5px}.v-list-panel>header>span{color:#64748b;font-size:13px}.v-alphabet{display:flex;flex-wrap:wrap;gap:5px;padding:0 20px 14px}.v-alphabet span{width:23px;height:23px;text-align:center;color:#94a3b8;line-height:23px;font-size:11px}.v-alphabet .active{background:var(--brand-light);color:var(--brand-primary);border-radius:100px;font-weight:600}.v-scroll{overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:transparent transparent}.v-scroll:hover,.v-scroll:focus,.v-scroll:focus-within{scrollbar-color:#bcc8d6 transparent}.v-scroll::-webkit-scrollbar{width:5px}.v-scroll::-webkit-scrollbar-track{background:transparent}.v-scroll::-webkit-scrollbar-thumb{border-radius:100px;background:transparent}.v-scroll:hover::-webkit-scrollbar-thumb,.v-scroll:focus-within::-webkit-scrollbar-thumb{background:#bcc8d6}.v-scroll::-webkit-scrollbar-thumb:hover{background:#93a4b9}#word-list{flex:1;padding:0 12px 16px}.v-word-row{display:flex;align-items:center;border-radius:11px;gap:6px;padding:7px 8px;margin-bottom:6px}.v-word-row.selected{background:var(--brand-light)}.v-word-select{display:flex;flex:1;min-width:0;text-align:left;align-items:center;gap:8px;padding:6px 0;background:none;border:0;color:#101827}.v-word-select strong{font-size:16px;font-weight:600;display:block}.v-word-select small{display:block;font-size:12px;color:#64748b;margin-top:4px}.v-word-select em{margin-left:auto;border-radius:100px;background:var(--brand-light);padding:3px 9px;font-style:normal;font-size:10px;white-space:nowrap;color:var(--brand-secondary)}.v-star{width:34px;height:34px;border:0;background:none;color:#64748b;padding:6px;flex-shrink:0;border-radius:8px}.v-star svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linejoin:round}.v-star.saved{color:var(--brand-primary)}.v-star.saved svg{fill:currentColor}.v-star:hover{background:var(--brand-light)}.v-detail{height:600px;padding:24px;scroll-padding-top:20px}.v-detail-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}.v-detail-head h2{font:600 34px/1.2 BDO,Inter,Arial,sans-serif;letter-spacing:-1px;margin:0 0 8px}.v-pronunciation{display:flex;align-items:center;gap:12px;color:#64748b;font-size:13px}.v-pronunciation button{display:flex;background:none;border:0;padding:4px;color:#64748b}.v-pronunciation svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}.v-word-actions{display:flex;align-items:center;gap:12px}.v-add-list{border:1px solid var(--brand-light);border-radius:100px;background:color-mix(in srgb, var(--brand-light) 45%, white);color:#8090a6;padding:9px 16px;font-size:12px}.v-add-list span{margin-left:7px}.v-meaning{font-size:18px;line-height:1.5;margin:18px 0 20px}.v-explain{display:grid;grid-template-columns:132px minmax(0,1fr);gap:18px;background:color-mix(in srgb, var(--brand-light) 45%, white);border:1px solid var(--brand-light);border-radius:12px;padding:18px;margin-bottom:12px}.v-explain h3,.v-confused h3,.v-quiz h3{font-size:16px;font-weight:600;margin:0;line-height:1.4}.v-explain p{font-size:13px;color:#566b89;margin:10px 0 0;line-height:1.65}.v-explain p:first-child{margin-top:0}.v-explain ul{margin:0;padding-left:18px;color:#566b89;font-size:13px;line-height:1.8}.v-explain li+li{margin-top:4px}.v-chip{display:inline-block;padding:5px 10px;border-radius:100px;background:var(--brand-light);color:var(--brand-secondary);font-size:12px;line-height:1.4;margin:2px 4px 2px 0}.v-related-columns{display:grid;grid-template-columns:1.1fr 1fr 1.1fr;gap:12px}.v-related-columns>div+div{border-left:1px solid var(--brand-border);padding-left:12px}.v-related-columns h4{font-size:12px;font-weight:500;color:#64748b;margin:0 0 8px}.v-skill-tags{margin-top:10px}.v-exam-tags{margin-top:10px}.v-exam-tags>span:first-child{color:#64748b;margin-right:8px;font-size:12px}.v-confused{background:color-mix(in srgb, var(--brand-light) 45%, white);border:1px solid var(--brand-light);border-radius:12px;padding:18px;margin-bottom:12px}.v-confused-title{display:flex;justify-content:space-between;align-items:start;gap:12px}.v-confused h4{font:600 24px BDO,Inter,Arial,sans-serif;margin:4px 0 12px}.v-pair-columns{display:grid;grid-template-columns:1fr 1fr;gap:12px}.v-pair-columns>div{background:white;border:1px solid var(--brand-light);border-radius:9px;padding:12px}.v-pair-columns strong{font-size:13px;font-weight:600}.v-pair-columns p{font-size:13px;color:#566b89;margin:6px 0 0}.v-exceptions{color:#64748b;font-size:12px;margin-top:10px}.v-exceptions summary{cursor:pointer}.v-exceptions p{margin:6px 0 0;line-height:1.65}.v-quiz{border:1px solid var(--brand-light);border-radius:12px;padding:18px}.v-quiz>p{font-size:14px;color:#566b89;margin:10px 0 14px}.v-quiz fieldset{display:flex;gap:10px;border:0;padding:0;margin:0 0 14px}.v-quiz label{display:flex;align-items:center;gap:9px;flex:1;border:1px solid var(--brand-border);border-radius:9px;padding:10px;font-size:13px;cursor:pointer}.v-quiz label:has(input:checked){background:var(--brand-light);border-color:var(--brand-accent)}.v-quiz input{accent-color:var(--brand-primary)}.v-primary{background:var(--brand-primary);color:white;border:0;border-radius:100px;padding:11px 22px;font-size:13px;font-weight:600}.v-primary:hover{background:var(--brand-secondary)}.v-feedback{padding:12px;border-radius:10px;margin-top:14px;color:var(--brand-secondary);background:#fff5e8}.v-feedback.correct{background:#e3f5e8;color:#086227}.v-feedback strong{font-size:13px}.v-feedback p{font-size:13px;margin:5px 0 0}.v-sources{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;font-size:11px;color:#64748b}.v-sources a{color:#566b89}.v-page-note{font-size:12px;color:#64748b;margin:16px 0 0}.v-empty{padding:20px;font-size:13px;color:#64748b}.v-empty button{background:white;border:1px solid var(--brand-border);border-radius:100px;padding:8px 12px;color:var(--brand-primary)}
@media(max-width:1100px){.v-library{grid-template-columns:290px minmax(0,1fr)}.v-main{padding-left:20px;padding-right:20px}.v-detail{padding:20px}.v-explain{grid-template-columns:1fr;gap:10px}.v-related-columns{grid-template-columns:repeat(3,1fr)}}
@media(max-width:780px){.v-hero h1{font-size:38px}.v-hero p{font-size:16px}.v-tabs button{padding:9px 17px;font-size:13px}.v-library{grid-template-columns:minmax(0,1fr)}.v-list-panel{height:auto;max-height:270px}.v-detail{height:600px}.v-alphabet{display:none}#word-list{max-height:160px;flex:auto}.v-stats{gap:20px;padding:14px}.v-stats>div{gap:8px}.v-stats b{font-size:15px}.v-stats svg{width:20px}.preview-note{font-size:10px}.v-sort{display:none}.v-main{padding:28px 16px}.v-detail-head h2{font-size:30px}}
@media(max-width:520px){.vocab-page .nav-links{gap:16px}.vocab-page .nav-links>.pill,.vocab-page .nav-links>.outline{display:none}.vocab-page .menu-icon{margin-left:0}.v-stats{gap:18px}.v-stats svg{display:none}.v-word-actions{gap:5px}.v-add-list{padding:7px 9px}.v-detail{padding:18px}.v-explain,.v-confused,.v-quiz{padding:14px}.v-related-columns{grid-template-columns:1fr}.v-related-columns>div+div{border-left:0;border-top:1px solid var(--brand-border);padding:10px 0 0}.v-pair-columns{grid-template-columns:1fr}.v-search-bar{gap:7px;padding:9px}.v-search input{font-size:13px}.v-search-bar select{font-size:12px;padding:9px;max-width:110px}.v-search{padding:0 10px;gap:7px}.v-search svg{width:18px}.v-word-select em{font-size:10px}.v-meaning{font-size:17px}.v-tabs{gap:2px}}
@media(hover:none){.v-scroll{scrollbar-color:#bcc8d6 transparent}.v-scroll::-webkit-scrollbar-thumb{background:#bcc8d6}}
@media(prefers-reduced-motion:no-preference){.v-detail{animation:v-appear .2s ease-out}@keyframes v-appear{from{opacity:.4;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}}
/* Refined reading workspace: compact chrome, larger content area, quiet interaction. */
.v-main{max-width:1512px;padding:26px 28px 28px;position:relative}.v-hero{text-align:left;padding-right:400px}.v-hero h1{margin-bottom:7px}.v-hero p{font-size:17px;margin-bottom:22px}.v-tabs{position:absolute;top:39px;right:28px;margin:0;box-shadow:0 3px 12px color-mix(in srgb, var(--brand-primary) 1.96%, transparent)}.v-stats{padding:11px 20px;margin-bottom:18px;gap:34px;border-color:var(--brand-light);background:#ffffffc9}.v-stats b{font-size:16px}.v-stats small{font-size:11px}.v-stats svg{width:22px;height:22px}.preview-note{background:var(--brand-light);color:#6c7b8f}.v-library{grid-template-columns:300px minmax(0,1fr);gap:20px}.v-list-panel,.v-detail{height:clamp(560px,calc(100dvh - 240px),900px);border-color:var(--brand-light);box-shadow:0 4px 18px color-mix(in srgb, var(--brand-primary) 1.57%, transparent)}.v-detail{padding:30px 32px;scroll-behavior:smooth}.v-detail-head h2{font-size:34px;font-weight:600;color:var(--brand-primary)}.v-meaning{font-size:18px;margin:18px 0 22px;letter-spacing:-.15px;color:var(--brand-primary)}.v-explain{grid-template-columns:140px minmax(0,1fr);gap:22px;padding:20px;background:color-mix(in srgb, var(--brand-light) 45%, white);border-color:var(--brand-light);margin-bottom:14px;transition:background .2s,border-color .2s,box-shadow .2s}.v-explain:hover{background:color-mix(in srgb, var(--brand-light) 45%, white);border-color:var(--brand-border);box-shadow:0 3px 12px color-mix(in srgb, var(--brand-primary) 1.57%, transparent)}.v-explain h3,.v-confused h3,.v-quiz h3{font-weight:600;letter-spacing:-.25px;color:var(--brand-primary)}.v-explain p,.v-explain ul,.v-pair-columns p{font-size:14px;line-height:1.75;color:#526681}.v-chip{background:var(--brand-light);color:var(--brand-secondary);font-size:12px;padding:5px 11px;border:1px solid var(--brand-light)}.v-related-columns h4{font-weight:500;color:#65758d}.v-related-columns{gap:18px}.v-confused{background:var(--brand-light);padding:20px;border-color:var(--brand-light);margin-bottom:14px}.v-pair-columns>div{padding:15px;transition:box-shadow .2s,border-color .2s}.v-pair-columns>div:hover{box-shadow:0 3px 10px color-mix(in srgb, var(--brand-primary) 2.75%, transparent);border-color:var(--brand-border)}.v-confused h4{font-size:25px;color:var(--brand-primary)}.v-pair-columns strong{font-size:14px}.v-exceptions summary{padding:5px 0;color:#597190}.v-exceptions summary:hover{color:var(--brand-primary)}.v-detail-head .v-word-actions{gap:10px}.v-star,.v-pronunciation button{transition:color .18s,background .18s,transform .18s}.v-star:hover{transform:translateY(-1px);color:var(--brand-primary)}.v-pronunciation button{border-radius:50%;padding:6px}.v-pronunciation button:hover{background:var(--brand-light);color:var(--brand-primary)}.v-word-row{padding:10px;border:1px solid transparent;transition:background .18s,border-color .18s,transform .18s}.v-word-row:hover{background:color-mix(in srgb, var(--brand-light) 45%, white);border-color:var(--brand-light)}.v-word-row.selected{background:var(--brand-light);border-color:var(--brand-light)}.v-word-select{align-items:flex-start;flex-wrap:wrap}.v-word-select>span{width:100%}.v-word-select em{margin:2px 0 0;padding:3px 9px}.v-word-select small{line-height:1.5;font-size:13px}.v-alphabet{padding-bottom:12px;border-bottom:1px solid var(--brand-light);margin-bottom:10px}.v-alphabet span{width:21px;font-size:11px}.v-list-panel>header{padding:20px 18px 12px}.v-list-tools{display:flex;align-items:center;gap:7px}.v-list-tools>span{font-size:11px;color:#7b899e}.v-search-toggle{width:32px;height:32px;border:1px solid var(--brand-light);border-radius:10px;background:white;color:#607693;padding:7px;display:grid;place-items:center;transition:background .18s,border-color .18s}.v-search-toggle svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8}.v-search-toggle:hover,.v-search-toggle[aria-expanded=true]{background:var(--brand-light);border-color:var(--brand-border);color:var(--brand-primary)}.v-search-drawer{flex-direction:column;align-items:stretch;border:0;border-radius:0;padding:4px 16px 14px;margin:0;gap:9px;animation:v-drawer-in .18s ease}.v-search-drawer[hidden]{display:none}.v-search-drawer .v-search{gap:8px;padding:0 10px;flex:none}.v-search-drawer input{font-size:12px;padding:10px 0}.v-search-drawer .v-search svg{width:18px;height:18px}.v-search-drawer select{font-size:12px;padding:8px 12px;border-radius:9px}.v-search-drawer .v-sort{display:none}.v-scroll{transition:scrollbar-color .2s}.v-quiz{padding:22px;background:linear-gradient(180deg,color-mix(in srgb, var(--brand-light) 45%, white),#fff);border-color:var(--brand-border);box-shadow:0 3px 12px color-mix(in srgb, var(--brand-primary) 1.57%, transparent)}.v-quiz h3{font-size:18px}.v-quiz>p{font-size:16px;color:var(--brand-secondary);line-height:1.7;margin:10px 0 18px}.v-quiz fieldset{gap:12px;margin-bottom:18px}.v-quiz label{position:relative;background:#fff;padding:15px;border-radius:12px;transition:background .18s,border-color .18s,box-shadow .18s,transform .18s;font-size:15px;font-weight:500}.v-quiz label:hover{border-color:var(--brand-accent);box-shadow:0 3px 12px color-mix(in srgb, var(--brand-primary) 3.14%, transparent);transform:translateY(-1px)}.v-quiz label input{position:absolute;opacity:0;width:1px;height:1px}.v-quiz label:has(input:focus-visible){outline:3px solid var(--brand-accent);outline-offset:2px}.v-option-letter{display:grid;place-items:center;border:1px solid var(--brand-border);background:color-mix(in srgb, var(--brand-light) 45%, white);color:#8190a5;border-radius:8px;width:30px;height:30px;font-size:13px;font-weight:500}.v-quiz label:has(input:checked){background:var(--brand-light);border-color:var(--brand-accent);box-shadow:0 0 0 1px var(--brand-accent)}.v-quiz label:has(input:checked) .v-option-letter{background:var(--brand-primary);color:#fff;border-color:var(--brand-primary)}.v-quiz label.quiz-correct{background:#f0faf3;border-color:#99cbaa;box-shadow:none}.v-quiz label.quiz-wrong{background:#fff4f3;border-color:#dfaaa5;box-shadow:none}.v-option-result{margin-left:auto;color:#26844b}.quiz-correct .v-option-result::after{content:'✓'}.quiz-wrong .v-option-result{color:#b4534b}.quiz-wrong .v-option-result::after{content:'×'}.v-quiz-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.v-primary{padding:12px 24px;font-size:14px;transition:background .18s,transform .18s,box-shadow .18s}.v-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 10px color-mix(in srgb, var(--brand-primary) 10.20%, transparent)}.v-primary:disabled{background:var(--brand-light);color:#8c99ac;cursor:default}.v-quiz-hint{font-size:12px;color:#7b8aa1}.v-try-again{background:#fff;border:1px solid var(--brand-border);border-radius:100px;padding:10px 18px;font-size:13px;color:var(--brand-primary);transition:background .18s}.v-try-again:hover{background:var(--brand-light)}.v-try-again[hidden]{display:none}.v-feedback{margin-top:18px;padding:16px;animation:v-feedback-in .25s ease}.v-feedback strong{font-size:15px}.v-feedback p{font-size:14px;line-height:1.65}.v-feedback.incorrect{background:#fff5f3;color:#934b43}.v-sources{font-size:11px}.v-sources a{transition:color .18s}.v-sources a:hover{color:var(--brand-primary)}.v-page-note{font-size:11px;margin-top:13px}
@keyframes v-drawer-in{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@keyframes v-feedback-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1100px){.v-hero{padding-right:360px}.v-tabs button{padding:10px 18px}.v-library{grid-template-columns:260px minmax(0,1fr)}.v-detail{padding:24px}.v-explain{grid-template-columns:1fr;gap:12px}.v-related-columns{gap:12px}.v-tabs{right:20px}}
@media(max-width:780px){.v-hero{padding-right:0;text-align:center}.v-hero p{font-size:16px;margin-bottom:14px}.v-tabs{position:static;margin:0 auto 16px}.v-library{grid-template-columns:minmax(0,1fr)}.v-list-panel{height:auto;max-height:360px}.v-detail{height:clamp(640px,calc(100dvh - 120px),900px);padding:22px}.v-main{padding:24px 16px}.v-stats{padding:12px;gap:20px}.v-explain p,.v-explain ul{font-size:14px}.v-list-panel>header{padding:16px 18px 10px}#word-list{max-height:160px}.v-word-select{flex-wrap:nowrap;align-items:center}.v-word-select>span{width:auto}.v-word-select em{margin-left:auto}.v-related-columns{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.v-related-columns{grid-template-columns:1fr}.v-related-columns>div+div{padding-top:10px}.v-detail{padding:18px}.v-quiz{padding:16px}.v-quiz label{padding:12px;font-size:14px}.v-quiz fieldset{gap:10px}.v-option-letter{width:26px;height:26px}.v-quiz-hint{flex-basis:100%}.v-explain{padding:16px}.v-pair-columns>div{padding:12px}.v-stats{gap:18px}.v-word-actions{gap:4px}.v-word-select small{font-size:12px}}
@media(prefers-reduced-motion:reduce){.v-scroll,.v-detail{scroll-behavior:auto}.v-explain,.v-pair-columns>div,.v-star,.v-pronunciation button,.v-word-row,.v-search-toggle,.v-quiz label,.v-primary,.v-try-again,.v-sources a{transition:none}.v-search-drawer,.v-feedback,.v-detail{animation:none}.v-star:hover,.v-quiz label:hover,.v-primary:hover:not(:disabled){transform:none}}
.v-quiz.is-checked label.quiz-correct{background:#f0faf3;border-color:#99cbaa;box-shadow:none}.v-quiz.is-checked label.quiz-wrong{background:#fff4f3;border-color:#dfaaa5;box-shadow:none}.v-quiz.is-checked label.quiz-wrong .v-option-letter{background:#b4534b;border-color:#b4534b;color:white}.v-quiz.is-checked label.quiz-correct .v-option-letter{background:#26844b;border-color:#26844b;color:white}
.v-pronunciation>span,.v-add-list{white-space:nowrap}@media(max-width:520px){.v-detail-head{gap:8px}.v-pronunciation{gap:7px}.v-detail-head .v-word-actions{gap:4px}.v-add-list{padding:7px 9px}}
/* Centered catalogue heading and full-page reading layout. */
.v-hero{text-align:center;padding-right:0}.v-hero p{font-size:20px;margin-bottom:20px}.v-tabs{position:static;margin:0 auto 22px}.v-library{align-items:stretch}.v-detail{height:auto;overflow:visible;scroll-margin-top:76px}.v-list-panel{height:auto;max-height:none;contain:size;align-self:stretch}#word-list{min-height:0}.v-word-select small{font-size:13px}.v-pronunciation .v-chip{background:var(--brand-light);color:var(--brand-accent);border-color:var(--brand-light)}.v-explain:nth-of-type(2) .v-chip{background:#eee9fb;color:#6b4ca0;border-color:#e2d8f5}.v-related-columns>div:nth-child(1) .v-chip{background:#e5f4ed;color:#267052;border-color:#d4eadf}.v-related-columns>div:nth-child(2) .v-chip{background:#fff0ee;color:#a05650;border-color:#f6ddda}.v-related-columns>div:nth-child(3) .v-chip{background:#eeeafa;color:#70529c;border-color:#e2daf2}.v-skill-tags .v-chip{background:var(--brand-light);color:var(--brand-accent);border-color:var(--brand-light)}.v-exam-tags .v-chip,.v-confused-title>.v-chip{background:#fff2db;color:#8a631e;border-color:#f4e3bf}.v-primary{background:var(--brand-accent)}.v-primary:hover:not(:disabled){background:var(--brand-secondary)}.v-primary:disabled{background:var(--brand-light);color:var(--brand-accent)}.v-star.saved{color:#c18a24}.v-star.saved:hover{color:#a57318}.v-word-row.selected{background:var(--brand-light);border-color:var(--brand-light)}.v-word-select em{background:var(--brand-light);color:var(--brand-accent)}
@media(max-width:780px){.v-hero p{font-size:16px}.v-list-panel{contain:none;height:auto;max-height:360px}.v-detail{height:auto;overflow:visible}.v-tabs{margin-bottom:18px}#word-list{max-height:160px;flex:auto}}
.v-add-list{background:var(--brand-light);border-color:var(--brand-light);color:var(--brand-accent)}
/* Match the approved word-detail reference: neutral explanation, colored status. */
.v-library{grid-template-columns:360px minmax(0,1fr)}.v-word-select{flex-wrap:nowrap;align-items:center;gap:12px}.v-word-select>span{width:auto;flex:1;min-width:0}.v-word-select em{margin:0 0 0 auto;background:var(--brand-light);color:var(--brand-accent);font-size:11px;font-weight:500;padding:5px 13px}.v-word-row{padding:10px 12px}.v-word-row.selected{background:linear-gradient(110deg,var(--brand-light),var(--brand-light));border-color:transparent}.v-alphabet{display:grid;grid-template-columns:repeat(14,minmax(0,1fr));gap:3px 0;padding:0 18px 15px}.v-alphabet button{width:100%;height:25px;border:0;background:none;color:var(--brand-accent);font-size:11px;padding:0;border-radius:7px;transition:background .18s,color .18s}.v-alphabet button.active{background:var(--brand-light);color:var(--brand-accent);font-weight:600}.v-alphabet button:hover{background:var(--brand-light);color:var(--brand-primary)}.v-detail-head>div:first-child{display:flex;align-items:center;gap:20px;min-width:0}.v-detail-head h2{margin:0}.v-pronunciation{gap:12px;flex-shrink:0}.v-meaning{margin-top:8px;margin-bottom:22px}.v-explain{grid-template-columns:120px minmax(0,1fr);padding:18px;gap:18px;margin-bottom:18px;background:linear-gradient(110deg,color-mix(in srgb, var(--brand-light) 45%, white),color-mix(in srgb, var(--brand-light) 45%, white))}.v-explain h3,.v-confused h3{font-weight:650}.v-detail .v-chip,.v-detail .v-pronunciation .v-chip,.v-detail .v-explain:nth-of-type(2) .v-chip,.v-detail .v-related-columns>div .v-chip,.v-detail .v-skill-tags .v-chip,.v-detail .v-exam-tags .v-chip{background:var(--brand-light);color:var(--brand-secondary);border-color:transparent;border-radius:8px;padding:5px 11px}.v-pronunciation .v-chip{border-radius:8px}.v-build{grid-template-columns:120px minmax(0,1fr) minmax(160px,.75fr)}.v-build-forms{border-left:1px solid var(--brand-border);padding-left:20px}.v-build-forms h4,.v-relevant-skills h4{font-size:12px;font-weight:500;color:var(--brand-accent);margin:0 0 7px}.v-help{grid-template-columns:120px minmax(0,1.2fr) minmax(210px,1fr);align-items:start}.v-help>p{margin:0}.v-relevant-skills{border-left:1px solid var(--brand-border);padding-left:20px}.v-exam-tags{margin-top:6px}.v-related-columns h4{color:var(--brand-accent)}.v-confused{background:linear-gradient(120deg,color-mix(in srgb, var(--brand-light) 45%, white),var(--brand-light) 55%,color-mix(in srgb, var(--brand-light) 45%, white));padding:20px;margin-bottom:18px}.v-confused h4{font-size:25px}.v-save-pair{background:#ffffffb8;border:1px solid var(--brand-border);color:var(--brand-secondary);border-radius:100px;padding:7px 15px;font-size:12px;font-weight:600;transition:background .18s,border-color .18s}.v-save-pair:hover{background:var(--brand-light);border-color:var(--brand-accent)}.v-save-pair[aria-pressed=true]{background:var(--brand-light)}.v-pair-columns strong{font-weight:500}.v-pair-columns p b,.v-explain b{color:var(--brand-secondary);font-weight:650}.v-list-menu-wrap{position:relative}.v-add-list{background:var(--brand-primary);color:#fff;border-color:var(--brand-primary);padding:10px 18px;font-weight:600}.v-add-list:hover{background:var(--brand-secondary)}.v-list-menu{position:absolute;z-index:5;right:0;top:calc(100% + 7px);min-width:170px;background:#fff;border:1px solid var(--brand-border);border-radius:12px;padding:5px;box-shadow:0 8px 24px color-mix(in srgb, var(--brand-primary) 9.41%, transparent)}.v-list-menu[hidden]{display:none}.v-list-menu button{display:block;width:100%;border:0;background:#fff;padding:9px 12px;text-align:left;font-size:13px;color:var(--brand-secondary);border-radius:8px}.v-list-menu button:hover{background:var(--brand-light)}.v-primary{background:var(--brand-primary)}.v-primary:hover:not(:disabled){background:var(--brand-secondary)}
@media(max-width:1100px){.v-library{grid-template-columns:320px minmax(0,1fr)}.v-detail-head>div:first-child{flex-wrap:wrap;gap:8px}.v-explain,.v-help,.v-build{grid-template-columns:1fr}.v-build-forms,.v-relevant-skills{border-left:0;border-top:1px solid var(--brand-border);padding:12px 0 0}.v-alphabet{padding-left:12px;padding-right:12px}.v-alphabet button{font-size:10px}}
@media(max-width:780px){.v-library{grid-template-columns:minmax(0,1fr)}.v-alphabet{display:grid}.v-list-panel{max-height:390px}.v-detail-head>div:first-child{flex-wrap:wrap}.v-confused-title{flex-wrap:wrap}.v-save-pair{font-size:11px}.v-word-select em{font-size:10px}}
@media(prefers-reduced-motion:reduce){.v-alphabet button,.v-save-pair{transition:none}}
/* Shared collections and daily-practice screens. */
.v-main [hidden]{display:none!important}.v-word-select em.mastered{background:#e0f2e8;color:#187148}.v-word-select em.unseen{background:var(--brand-light);color:#6b7a90}.v-collections{display:grid;grid-template-columns:320px minmax(0,1fr);gap:20px;animation:v-appear .2s ease}.v-collections-nav,.v-collection-main,.v-review-shell,.v-review-summary,.v-review-empty{background:#fff;border:1px solid var(--brand-light);border-radius:16px;box-shadow:0 4px 18px color-mix(in srgb, var(--brand-primary) 1.57%, transparent)}.v-collections-nav{padding:24px 14px;min-height:610px;display:flex;flex-direction:column}.v-collections-nav header{display:flex;align-items:center;justify-content:space-between;padding:0 10px 18px}.v-collections-nav h2{font:600 23px BDO,Inter,sans-serif;margin:0;letter-spacing:-.5px}.v-icon-button{border:1px solid var(--brand-light);background:color-mix(in srgb, var(--brand-light) 45%, white);width:36px;height:36px;border-radius:50%;color:#5b7294;font-size:23px;transition:background .18s,transform .18s;display:grid;place-items:center}.v-icon-button:hover{background:var(--brand-light);transform:translateY(-1px)}.v-collections-nav nav{display:flex;flex-direction:column;gap:5px}.v-collections-nav nav button{display:flex;align-items:center;gap:13px;text-align:left;border:0;background:#fff;color:#5b6d89;padding:14px 12px;border-radius:10px;transition:background .18s;font-size:14px}.v-collections-nav nav button.selected{background:linear-gradient(110deg,var(--brand-light),var(--brand-light));color:var(--brand-secondary);font-weight:600}.v-collections-nav nav button:hover{background:color-mix(in srgb, var(--brand-light) 45%, white)}.v-collections-nav nav svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.5;flex-shrink:0}.v-collections-nav nav small{margin-left:auto;font-size:12px;color:#7888a2}.v-collections-nav>p{margin:auto 12px 0;padding-top:26px;font-size:12px;color:#8090a7;line-height:1.7}.v-collection-main{padding:28px;min-width:0}.v-collection-heading{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.v-collection-heading>div:first-child{margin-right:auto}.v-collection-heading h2{font:600 34px/1.2 BDO,Inter,sans-serif;letter-spacing:-1px;margin:0 0 6px}.v-collection-heading p{color:#70819b;font-size:15px;margin:0}.v-mastery{width:150px;color:#70819b;font-size:12px}.v-progress{height:9px;background:var(--brand-light);border-radius:100px;overflow:hidden;margin-top:7px}.v-progress i{display:block;height:100%;background:linear-gradient(90deg,#25856a,#42b884);border-radius:100px;transition:width .3s}.v-list-toolbar{display:flex;gap:16px;align-items:center;justify-content:space-between;margin:26px 0 20px;flex-wrap:wrap}.v-list-filters{display:flex;gap:7px;flex-wrap:wrap}.v-list-filters button{border:0;border-radius:100px;background:var(--brand-light);color:#617392;padding:10px 15px;font-size:12px;transition:background .18s}.v-list-filters button.active{background:var(--brand-primary);color:#fff}.v-list-filters small{margin-left:6px;font-size:11px}.v-collection-search{display:flex;gap:9px;align-items:center;border:1px solid var(--brand-border);border-radius:9px;padding:9px 11px;min-width:0}.v-collection-search svg{width:18px;height:18px;fill:none;stroke:#70819b;stroke-width:1.5}.v-collection-search input{border:0;outline:none;min-width:0;width:175px;font-size:12px;background:none;color:var(--brand-secondary)}.v-collection-search:focus-within{outline:2px solid var(--brand-accent)}.v-table-wrap{overflow-x:auto;border:1px solid var(--brand-light);border-radius:13px}.v-word-table{border-collapse:collapse;width:100%;font-size:13px;text-align:left;white-space:nowrap}.v-word-table th{background:color-mix(in srgb, var(--brand-light) 45%, white);color:#637590;font-size:12px;font-weight:500;padding:15px 10px}.v-word-table td{padding:15px 10px;border-top:1px solid var(--brand-light);color:#657794}.v-word-table tr:hover td{background:color-mix(in srgb, var(--brand-light) 45%, white)}.v-word-table input{accent-color:var(--brand-primary);width:16px;height:16px;cursor:pointer}.v-word-table td:nth-child(4){white-space:normal;min-width:120px}.v-word-table th:first-child,.v-word-table td:first-child{padding-left:16px}.v-word-link{border:0;background:none;color:var(--brand-secondary);font-weight:600;padding:0;font-size:14px}.v-word-link:hover{text-decoration:underline}.v-status{display:inline-block;padding:5px 11px;border-radius:100px;font-size:11px;background:var(--brand-light);color:#778598}.v-status.learning{background:var(--brand-light);color:var(--brand-accent)}.v-status.mastered{background:#e0f4e9;color:#187148}.v-status.seen{background:var(--brand-light);color:var(--brand-accent)}.v-list-note{margin:18px 0;color:#7b8ba3;font-size:12px}.v-bulk{display:flex;gap:12px;align-items:center;padding:10px 14px;border:1px solid var(--brand-border);border-radius:10px;background:color-mix(in srgb, var(--brand-light) 45%, white);margin-bottom:12px;font-size:12px;color:var(--brand-accent)}.v-bulk button{border:0;background:none;color:var(--brand-secondary);font-weight:600;font-size:12px}.v-collection-empty{text-align:center;padding:50px 16px}.v-collection-empty>span svg,.v-review-empty>span svg{width:40px;height:40px;fill:none;stroke:var(--brand-accent);stroke-width:1.3}.v-collection-empty h3{font:600 23px BDO,Inter,sans-serif;color:var(--brand-secondary);margin:16px 0 8px}.v-collection-empty p{font-size:14px;color:#7789a3;margin:0 0 20px}.v-secondary-button{border:1px solid var(--brand-border);border-radius:100px;background:#fff;color:var(--brand-secondary);font-size:13px;font-weight:500;padding:10px 18px;transition:background .18s,transform .18s}.v-secondary-button:hover{background:var(--brand-light);transform:translateY(-1px)}.v-review-shell{max-width:1000px;margin:auto;padding:24px;animation:v-appear .2s ease}.v-review-top{display:flex;gap:35px;align-items:center;justify-content:space-between;margin-bottom:22px}.v-review-top>div:first-child{flex:1}.v-review-title{display:flex;gap:20px;justify-content:space-between;align-items:center}.v-review-title h2{font-size:18px;font-weight:600;margin:0}.v-review-title>span{font-size:12px;color:var(--brand-accent)}.v-review-top small{display:block;font-size:11px;color:#7f90a8;margin-top:7px}.v-review-modes{display:flex;border:1px solid var(--brand-light);padding:3px;border-radius:100px;box-shadow:0 2px 5px color-mix(in srgb, var(--brand-primary) 2.35%, transparent)}.v-review-modes button{background:none;border:0;color:var(--brand-secondary);font-size:12px;padding:9px 15px;border-radius:100px}.v-review-modes button.active{background:var(--brand-primary);color:#fff}.v-review-card{border:1px solid var(--brand-light);border-radius:13px;padding:24px}.v-review-card>header{display:flex;align-items:center;justify-content:space-between}.v-review-card>header>div{display:flex;align-items:center;gap:14px}.v-review-card h2{font:600 34px BDO,Inter,sans-serif;letter-spacing:-1px;margin:0}.v-review-audio{background:none;border:0;color:#5a7395;padding:4px;border-radius:50%;display:flex}.v-review-audio svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.5}.v-review-audio:hover{background:var(--brand-light)}.v-review-card .v-chip{background:var(--brand-light);color:var(--brand-accent);border-radius:8px;border-color:transparent}.v-review-prompt{color:#597092;font-size:14px;margin:18px 0 9px}.v-context-sentence{padding:17px;background:var(--brand-light);border-radius:11px;font-size:17px;line-height:1.7;color:var(--brand-secondary)}.v-review-card .v-quiz{border:0;background:none;box-shadow:none;padding:20px 0 0}.v-review-card fieldset{flex-direction:column;gap:10px}.v-review-card label{flex:auto;font-size:14px}.v-review-reminder{display:grid;grid-template-columns:1.3fr 1fr;gap:20px;background:var(--brand-light);border-radius:10px;padding:16px;margin-top:12px;color:#5b7395;font-size:13px}.v-review-reminder>div:first-child{display:flex;gap:13px}.v-review-reminder svg{width:23px;height:23px;fill:none;stroke:var(--brand-accent);stroke-width:1.5;flex-shrink:0}.v-review-reminder small{display:block;font-size:12px;margin-top:5px}.v-review-reminder>div+div{border-left:1px solid var(--brand-border);padding-left:20px}.v-review-reminder b{font-weight:600;color:var(--brand-secondary)}.v-review-tags{display:flex;flex-wrap:wrap;gap:3px;margin-top:12px;align-items:center}.v-review-divider{height:22px;border-left:1px solid var(--brand-border);margin:0 8px}.v-review-actions{display:flex;justify-content:space-between;gap:15px;margin-top:24px}.v-review-summary{max-width:1000px;margin:16px auto 0;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;color:var(--brand-accent)}.v-review-summary strong{color:#18844a}.v-review-summary b{color:#a86625}.v-review-summary span{margin:0 7px}.v-review-summary p{font-size:12px;color:#7085a3;margin:0}.v-review-empty{max-width:850px;margin:auto;padding:65px 30px;text-align:center}.v-review-empty h2{font:600 34px BDO,Inter,sans-serif;letter-spacing:-1px;margin:20px 0 12px}.v-review-empty p{color:#70819a;font-size:15px;margin:0 0 24px}.v-review-empty>small{display:block;font-size:11px;letter-spacing:1.5px;color:#7390a8;margin-top:20px}.v-session-totals{display:flex;justify-content:center;gap:60px;margin:28px 0}.v-session-totals b{font:600 36px BDO,Inter,sans-serif;display:block;color:#1b7854}.v-session-totals div+div b{color:#a16532}.v-session-totals span{color:#7c8ca4;font-size:13px}.v-review-empty .v-small-note{font-size:12px;margin-top:24px}.v-review-empty .v-secondary-button{margin-left:10px}.v-dialog{width:min(440px,calc(100% - 32px));border:1px solid var(--brand-border);border-radius:18px;padding:26px;color:var(--brand-secondary);box-shadow:0 20px 80px color-mix(in srgb, var(--brand-primary) 14.90%, transparent)}.v-dialog::backdrop{background:color-mix(in srgb, var(--brand-primary) 25.88%, transparent);backdrop-filter:blur(3px)}.v-dialog header{display:flex;justify-content:space-between;align-items:center;gap:15px}.v-dialog h2{font:600 25px BDO,Inter,sans-serif;margin:0}.v-dialog p{font-size:13px;color:#7286a0;margin:14px 0 20px}.v-dialog footer{display:flex;justify-content:space-between;gap:15px;margin-top:24px}.v-membership-options{display:flex;flex-direction:column;gap:5px}.v-membership-options label{display:flex;align-items:center;gap:12px;font-size:14px;padding:11px;border-radius:9px;cursor:pointer}.v-membership-options label:hover{background:color-mix(in srgb, var(--brand-light) 45%, white)}.v-membership-options input{accent-color:var(--brand-primary);width:17px;height:17px}.v-membership-options small{margin-left:auto;color:#8292a7}.v-field-label{display:block;font-size:13px;color:var(--brand-accent)}.v-field-label input{display:block;width:100%;border:1px solid var(--brand-border);border-radius:9px;padding:12px;margin-top:7px;font-size:14px}.v-dialog .v-form-error{color:#a35d55;margin:8px 0}.v-dialog[open]{animation:v-feedback-in .2s ease}.v-word-link:focus-visible,.v-icon-button:focus-visible{outline:3px solid var(--brand-accent)}
@media(max-width:1200px){.v-collections{grid-template-columns:270px minmax(0,1fr)}.v-collection-main{padding:22px}.v-mastery{width:130px}.v-collection-heading{gap:15px}}
@media(max-width:780px){.v-collections{grid-template-columns:minmax(0,1fr)}.v-collections-nav{min-height:0;padding:18px 12px}.v-collections-nav nav{flex-direction:row;overflow-x:auto}.v-collections-nav nav button{flex-shrink:0;padding:11px}.v-collections-nav nav svg{display:none}.v-collections-nav>p{padding-top:15px;margin:0 10px}.v-collection-heading h2{font-size:30px}.v-collection-main{padding:20px 16px}.v-mastery{margin-left:auto}.v-collection-search{width:100%}.v-collection-search input{width:100%}.v-review-top{flex-direction:column;align-items:stretch;gap:15px}.v-review-modes{align-self:flex-start}.v-review-shell{padding:17px}.v-review-card{padding:17px}.v-review-card h2{font-size:30px}.v-review-card>header>div{gap:7px}.v-review-summary{flex-direction:column;align-items:flex-start;padding:18px}.v-review-reminder{grid-template-columns:1fr}.v-review-reminder>div+div{border-left:0;border-top:1px solid var(--brand-border);padding:12px 0 0}.v-review-empty{padding:45px 20px}.v-review-empty h2{font-size:30px}.v-context-sentence{font-size:15px}.v-list-filters{gap:5px}.v-list-filters button{padding:9px 12px}.v-bulk{flex-wrap:wrap}.v-dialog{padding:22px}}
@media(prefers-reduced-motion:reduce){.v-collections,.v-review-shell,.v-dialog[open]{animation:none}.v-progress i,.v-icon-button,.v-collections-nav nav button,.v-list-filters button,.v-secondary-button{transition:none}.v-icon-button:hover,.v-secondary-button:hover{transform:none}}
@media(max-width:780px){.v-collection-heading{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:14px}.v-collection-heading>div:first-child{grid-column:1/-1}.v-mastery{width:auto;margin:0}.v-collection-heading>.v-primary{padding:11px 15px;font-size:13px}.v-collections-nav nav{scrollbar-width:thin;scrollbar-color:var(--brand-border) transparent}.v-collections-nav nav::-webkit-scrollbar{height:4px}.v-collections-nav nav::-webkit-scrollbar-thumb{background:var(--brand-border);border-radius:100px}}
.v-star.saved{color:var(--brand-primary)}.v-star.saved:hover{color:var(--brand-secondary)}.v-pronunciation button{color:var(--brand-accent)}
/* Reference-matched opening: one contextual example and a concise meaning summary. */
.v-detail-head>div:first-child{display:block}.v-detail-head h2{font-size:40px;line-height:1.15;margin-bottom:5px;letter-spacing:-1.25px}.v-detail-head .v-pronunciation{gap:10px;font-size:14px;color:#74849a}.v-meta-divider{height:17px;border-left:1px solid var(--brand-border);margin:0 5px}.v-detail-head .v-pronunciation button{padding:3px;color:#607b9f}.v-detail-head .v-word-actions{padding-top:3px}.v-detail-head .v-add-list{background:var(--brand-primary);color:#fff;border-color:var(--brand-primary);font-weight:600}.v-detail-head .v-add-list:hover{background:var(--brand-secondary);border-color:var(--brand-secondary)}.v-meaning{font-size:20px;line-height:1.55;margin:23px 0 15px}.v-context-example{background:linear-gradient(110deg,var(--brand-light),color-mix(in srgb, var(--brand-light) 45%, white));border-radius:12px;padding:15px 18px;margin-bottom:24px}.v-context-example h3{font-size:13px;font-weight:500;color:#70829c;margin:0 0 3px}.v-context-example p{font-size:16px;line-height:1.65;color:var(--brand-accent);margin:0}.v-context-example b{color:var(--brand-secondary);font-weight:650}.v-word-summary{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,.9fr);gap:26px;margin:0 0 26px;padding:0 0 6px}.v-word-summary>div+div{border-left:1px solid var(--brand-light);padding-left:24px}.v-word-summary h3{font-size:13px;font-weight:600;color:#70829c;margin:0 0 6px}.v-word-summary p{font-size:15px;color:var(--brand-accent);line-height:1.65;margin:0}.v-word-summary .v-summary-root>p{font-size:12px;line-height:1.7;margin-top:8px;color:#7889a0}.v-root-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px;color:#617794}.v-root-line .v-chip{margin:0;background:var(--brand-light);color:var(--brand-secondary);border-radius:9px;font-size:13px;padding:6px 12px}.v-root-arrow{font-size:23px;font-weight:400;color:#72859f}.v-word-family{margin-bottom:18px}
@media(max-width:1100px){.v-word-summary{gap:16px;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,1fr)}.v-word-summary>div+div{padding-left:16px}.v-root-line{gap:8px}.v-detail-head h2{font-size:36px}}
@media(max-width:780px){.v-detail-head h2{font-size:32px}.v-meaning{font-size:18px;margin-top:20px}.v-word-summary{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.v-summary-root{grid-column:1/-1}.v-word-summary>div:nth-child(2){border-left:0;padding-left:0}.v-context-example p{font-size:15px}}
@media(max-width:520px){.v-detail-head{flex-wrap:wrap;gap:12px}.v-detail-head .v-word-actions{padding-top:0;margin-left:auto}.v-detail-head .v-pronunciation{font-size:13px;gap:8px}.v-context-example{padding:14px}.v-word-summary{gap:18px}.v-word-summary p{font-size:14px}}
@media(max-width:520px){.v-detail-head{position:relative;display:block}.v-detail-head h2{padding-right:140px;overflow-wrap:anywhere}.v-detail-head .v-word-actions{position:absolute;top:0;right:0;margin:0;gap:3px}.v-detail-head .v-add-list{padding:8px 12px;font-size:11px}.v-detail-head .v-star{width:29px;height:29px;padding:4px}}
/* An original, code-native memory scene; content belongs to the shared word entry. */
.v-memory{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:28px;border:1px solid var(--brand-light);border-radius:14px;padding:23px;background:linear-gradient(125deg,color-mix(in srgb, var(--brand-light) 45%, white),color-mix(in srgb, var(--brand-light) 45%, white));margin-bottom:18px}.v-memory-eyebrow{font-size:10px;letter-spacing:1.3px;color:#8191aa;font-weight:500}.v-memory h3{font-size:18px;font-weight:600;color:var(--brand-secondary);letter-spacing:-.3px;margin:5px 0 15px}.v-memory-copy .v-memory-key{font:600 22px BDO,Inter,sans-serif;color:var(--brand-secondary);margin:0 0 12px}.v-memory-key span{color:var(--brand-accent);padding:0 5px;font-weight:400}.v-memory blockquote{margin:0 0 12px;padding-left:13px;border-left:3px solid var(--brand-border);color:var(--brand-secondary);font-size:15px;line-height:1.75}.v-memory-copy>p{font-size:14px;line-height:1.8;color:#627896;margin:0 0 12px}.v-memory-copy>small{font-size:11px;color:#8b9ab0}.v-memory-scene{padding:14px 16px 15px;background:#fff;border:1px solid var(--brand-light);border-radius:13px;text-align:center;align-self:center;transition:background .3s,border-color .3s}.v-scene-label{display:flex;justify-content:space-between;align-items:center;font-size:9px;letter-spacing:1.5px;color:#7c91ad;text-align:left;font-weight:500}.v-scene-label span{font-size:10px;letter-spacing:0;background:#f1f5fa;border-radius:6px;padding:2px 6px;color:#8196b1}.v-scene-drawing{display:block;width:100%;height:auto;margin:10px auto 8px}.v-scene-drawing text{font:11px Inter,Arial,sans-serif;fill:#69809e}.v-scene-cloud,.v-scene-thoughtful{opacity:0;transition:opacity .3s}.v-scene-sun,.v-scene-smile{transition:opacity .3s}.v-memory-scene.is-raining{background:color-mix(in srgb, var(--brand-light) 45%, white);border-color:var(--brand-border)}.is-raining .v-scene-sun,.is-raining .v-scene-smile{opacity:0}.is-raining .v-scene-cloud,.is-raining .v-scene-thoughtful{opacity:1}.v-scene-caption{font-size:12px;color:#5a7396;margin:8px 0 12px}.v-scene-play{background:#edf3fc;color:#325b94;border:1px solid #d9e5f6;border-radius:100px;font-size:11px;font-weight:500;padding:8px 13px;transition:background .2s,transform .2s}.v-scene-play:hover{background:#e0ebfc;transform:translateY(-1px)}.v-scene-play span{margin-left:6px}.is-raining .v-scene-rain{animation:v-rain-drop 1s ease-in-out infinite}@keyframes v-rain-drop{0%{opacity:.35;transform:translateY(-2px)}70%{opacity:1;transform:translateY(4px)}100%{opacity:.35;transform:translateY(-2px)}}
@media(max-width:1100px){.v-memory{grid-template-columns:minmax(0,1fr);gap:20px}.v-memory-scene{width:275px;max-width:100%;justify-self:center}.v-memory-copy .v-memory-key{font-size:21px}}
@media(max-width:520px){.v-memory{padding:18px}.v-memory h3{font-size:17px}.v-memory blockquote{font-size:14px}.v-memory-copy>p{font-size:13px}}
@media(prefers-reduced-motion:reduce){.v-memory-scene,.v-scene-cloud,.v-scene-thoughtful,.v-scene-sun,.v-scene-smile,.v-scene-play{transition:none}.is-raining .v-scene-rain{animation:none}.v-scene-play:hover{transform:none}}
/* Balanced usefulness panel and bank-backed paper references. */
.v-help{grid-template-columns:120px minmax(0,.85fr) minmax(0,1.15fr);column-gap:22px;padding:20px;align-items:start}.v-help>p{max-width:34ch;font-size:14px;line-height:1.75}.v-relevant-skills{padding-left:22px;min-width:0;display:flex;flex-wrap:wrap;gap:6px;align-items:flex-start}.v-relevant-skills h4{width:100%;margin:0 0 2px}.v-help .v-chip{margin:0;padding:5px 9px;white-space:nowrap;font-size:11px}.v-help .v-exam-tags{width:100%;display:flex;flex-wrap:wrap;gap:6px;margin-top:3px}.v-cat-occurrences{background:color-mix(in srgb, var(--brand-light) 45%, white);border:1px solid var(--brand-light);border-radius:12px;padding:20px;margin-top:22px}.v-cat-occurrences>header{display:flex;align-items:center;justify-content:space-between;gap:15px}.v-cat-occurrences h3{font-size:17px;font-weight:600;letter-spacing:-.3px;color:var(--brand-secondary);margin:0}.v-cat-occurrences>header>span{font-size:11px;color:#8797ad}.v-cat-occurrences>p{font-size:13px;color:#7185a0;line-height:1.7;margin:8px 0 15px}.v-cat-papers{display:flex;gap:9px;flex-wrap:wrap}.v-cat-item{display:inline-flex}.v-cat-paper{border:1px solid var(--brand-border);border-radius:100px;background:var(--brand-light);color:var(--brand-secondary);font-size:12px;font-weight:500;padding:9px 14px;transition:background .18s,border-color .18s,color .18s}.v-cat-paper:hover,.v-cat-paper[aria-expanded=true]{background:var(--brand-light);border-color:var(--brand-border);color:var(--brand-secondary)}.v-cat-tooltip{visibility:hidden;opacity:0;position:fixed;z-index:100;width:min(350px,calc(100vw - 32px));max-height:min(440px,calc(100dvh - 90px));overflow:auto;background:#fff;border:1px solid var(--brand-border);border-radius:11px;padding:15px;box-shadow:0 8px 28px color-mix(in srgb, var(--brand-primary) 10.98%, transparent);pointer-events:none;transition:opacity .15s,visibility .15s;text-align:left;color:var(--brand-secondary);font-size:12px}.v-cat-item.is-open .v-cat-tooltip{visibility:visible;opacity:1;pointer-events:auto}.v-cat-tooltip-heading{display:flex;justify-content:space-between;align-items:center;color:var(--brand-secondary);font-size:13px;font-weight:600;padding-bottom:10px;border-bottom:1px solid var(--brand-light);gap:14px}.v-cat-tooltip-heading small{font-size:10px;color:#7f92ac;font-weight:500}.v-cat-hit{display:block;padding:11px 0}.v-cat-hit+.v-cat-hit{border-top:1px solid var(--brand-light)}.v-cat-hit-type{display:flex;gap:8px;align-items:center;font-weight:600;color:var(--brand-secondary);font-size:11px;flex-wrap:wrap}.v-cat-hit-type em{font-style:normal;font-weight:400;background:var(--brand-light);color:#7b8da6;padding:2px 6px;border-radius:5px;font-size:10px}.v-cat-question-refs{display:block;font-size:10px;color:#93a1b5;margin:4px 0 6px}.v-cat-excerpt{display:block;font-size:12px;line-height:1.75;color:#6c809c}.v-cat-excerpt b{color:var(--brand-secondary);font-weight:650}.v-cat-verified{display:block;border-top:1px solid var(--brand-light);padding-top:9px;color:#7f93ad;font-size:10px}.v-cat-match-note{display:block;margin-top:13px;color:#8b9bb1;font-size:10px}
@media(max-width:1100px){.v-help{grid-template-columns:1fr}.v-help>p{max-width:none}.v-relevant-skills{padding-left:0;padding-top:12px;gap:7px}}
@media(max-width:520px){.v-help{padding:17px}.v-cat-occurrences{padding:17px}.v-cat-paper{font-size:11px;padding:9px 12px}.v-cat-papers{gap:8px}.v-cat-occurrences>p{font-size:12px}}
@media(prefers-reduced-motion:reduce){.v-cat-paper,.v-cat-tooltip{transition:none}}
.v-cat-tooltip{width:min(350px,calc(100% - 32px))}.v-cat-item:not(.is-open) .v-cat-tooltip{display:none}.v-memory-text-only{grid-template-columns:minmax(0,1fr)}
/* Quick Check recall carousel */
.v-qc{margin-top:24px}.v-qc-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.v-qc-heading h3{margin:0;font-size:18px}.v-qc-heading p{margin:5px 0 0;color:#64748b;font-size:13px}.v-qc-heading>span{color:#64748b;font-size:12px}.v-qc-card{background:linear-gradient(125deg,var(--brand-primary),var(--brand-primary));color:#fff;border-radius:18px;padding:25px 28px;box-shadow:0 9px 24px color-mix(in srgb, var(--brand-primary) 7.84%, transparent)}.v-qc-top{display:flex;justify-content:space-between;gap:15px;font-size:12px;color:var(--brand-border);border-bottom:1px solid #ffffff1c;padding-bottom:16px}.v-qc-slide{padding:25px 0 5px;animation:qc-enter .28s ease-out;outline:none}.v-qc-eyebrow{font-size:10px;letter-spacing:1.6px;color:var(--brand-border);font-weight:600}.v-qc-slide h4{font-family:BDO,Inter,sans-serif;font-size:25px;line-height:1.4;letter-spacing:-.5px;font-weight:500;margin:10px 0 22px;color:#fff}.v-qc-options{display:grid;gap:10px}.v-qc-options button{display:flex;align-items:center;gap:13px;text-align:left;border:1px solid #ffffff30;border-radius:11px;background:#ffffff09;color:color-mix(in srgb, var(--brand-light) 45%, white);padding:14px 16px;min-height:52px;font:inherit;font-size:14px;transition:background .18s,border-color .18s,transform .18s;cursor:pointer}.v-qc-options button:not(:disabled):hover{background:#ffffff16;border-color:#ffffff70;transform:translateX(3px)}.v-qc-letter{display:grid;place-items:center;width:25px;height:25px;flex-shrink:0;border-radius:7px;background:#ffffff10;font-size:11px;color:var(--brand-border)}.v-qc-result{margin-left:auto;font-size:19px}.v-qc-options button.is-correct{background:#b0e3c51c;border-color:#94d6af;color:#e0f6e8}.v-qc-options button.is-wrong{background:#e9bbaa15;border-color:#ddb9ac;color:#ffe3d7}.v-qc-options button:disabled{cursor:default;opacity:1}.v-qc-card[data-format=context] .v-qc-options{grid-template-columns:1fr 1fr}.v-qc-card[data-format=context] .v-qc-slide h4{background:#ffffff08;padding:20px;border-left:2px solid var(--brand-accent);border-radius:3px;font-size:23px}.v-qc-card[data-format=contrast] .v-qc-options button{padding:18px 16px}.v-qc-feedback{min-height:70px;padding-top:17px;font-size:13px;color:var(--brand-border);line-height:1.6}.v-qc-feedback strong{color:color-mix(in srgb, var(--brand-light) 45%, white);font-size:13px}.v-qc-feedback p{margin:4px 0 0}.v-qc-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:15px;border-top:1px solid #ffffff1c}.v-qc-footer button{border:0;background:transparent;color:var(--brand-border);font:inherit;font-size:12px;padding:9px 0;cursor:pointer}.v-qc-footer button:disabled{opacity:.35;cursor:default}.v-qc-footer .v-qc-next{background:color-mix(in srgb, var(--brand-light) 45%, white);color:var(--brand-primary);padding:10px 17px;border-radius:25px;font-weight:600}.v-qc-dots{display:flex;gap:7px}.v-qc-dots>span{width:6px;height:6px;background:#ffffff30;border-radius:9px;transition:width .2s}.v-qc-dots>span.active{width:22px;background:color-mix(in srgb, var(--brand-light) 45%, white)}.v-qc-dots>span.done{background:var(--brand-accent)}.v-qc-reflection{color:var(--brand-border);font-size:14px;line-height:1.7;max-width:540px}.v-qc-decisions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px}.v-qc-decisions button{border:1px solid #ffffff30;border-radius:11px;background:#ffffff08;color:#fff;text-align:left;padding:16px 12px;font:inherit;cursor:pointer;transition:background .18s,border-color .18s}.v-qc-decisions button:hover,.v-qc-decisions button.selected{background:#ffffff18;border-color:var(--brand-border)}.v-qc-decisions strong{display:block;font-size:13px;font-weight:600}.v-qc-decisions small{display:block;margin-top:7px;color:var(--brand-border);font-size:11px;line-height:1.5}.v-qc button:focus-visible{outline:2px solid var(--brand-border);outline-offset:4px}@keyframes qc-enter{from{opacity:0;transform:translateX(8px)}to{opacity:1;transform:translateX(0)}}@media(max-width:650px){.v-qc-card{padding:20px 18px}.v-qc-slide h4{font-size:22px}.v-qc-decisions{grid-template-columns:1fr}.v-qc-card[data-format=context] .v-qc-options{grid-template-columns:1fr}.v-qc-heading p{font-size:12px}}@media(prefers-reduced-motion:reduce){.v-qc-slide{animation:none}.v-qc *{transition:none!important}}
/* Compact recall cards, layered navy surface and a scoped completion overlay. */
.v-qc{max-width:820px;margin:26px auto 0}.v-qc-heading{margin-bottom:12px}.v-qc-heading h3{font-size:17px}.v-qc-card{position:relative;padding:0;background:linear-gradient(145deg,var(--brand-primary),var(--brand-primary));border:1px solid var(--brand-secondary);border-radius:20px;box-shadow:inset 0 1px 0 #ffffff18,inset 0 -1px 0 #00000024,0 10px 24px color-mix(in srgb, var(--brand-primary) 9.41%, transparent),0 2px 4px color-mix(in srgb, var(--brand-primary) 7.06%, transparent);overflow:hidden}.v-qc-underlay{padding:20px 24px;transition:filter .35s,opacity .35s}.v-qc-top{align-items:center;padding:0;border:0;min-height:24px}.v-qc-type{border-radius:20px;background:#ffffff10;padding:6px 12px;font-size:10px;font-weight:600;letter-spacing:.7px;text-transform:uppercase;color:var(--brand-border)}.v-qc-bookmark{border:0;background:transparent;color:#8195af;padding:0;cursor:pointer;width:27px;height:27px}.v-qc svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.v-qc-bookmark:hover,.v-qc-bookmark.saved{color:var(--brand-light)}.v-qc-bookmark.saved svg{fill:#ffffff20}.v-qc-slide{padding:0;animation:qc-enter .28s ease-out}.v-qc-slide h4{font-size:21px;font-weight:500;line-height:1.5;margin:18px 0}.v-qc-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.v-qc-options button{font-size:13px;line-height:1.5;padding:12px;min-height:60px;gap:9px;border-color:#ffffff20;background:linear-gradient(130deg,#ffffff0b,#ffffff04);box-shadow:inset 0 1px 0 #ffffff08;position:relative}.v-qc-letter{width:22px;height:22px;background:transparent;border:1px solid #ffffff24;border-radius:6px;font-size:10px}.v-qc-options button.is-correct{border-color:#73cba6;background:#20624e;box-shadow:inset 0 1px 0 #c8ffe728;color:#f0fff7}.v-qc-options button.is-wrong{border-color:#e39494;background:#703d49;color:#fff0f0}.v-qc-result{display:grid;place-items:center;flex-shrink:0;width:25px;height:25px;border-radius:50%;margin-left:auto;background:#ffffff20}.v-qc-result.positive{background:#adf1ce;color:#134c34}.v-qc-result.negative{background:#f8c5c5;color:#812b3b}.v-qc-result svg{width:16px;height:16px;stroke-width:2.4}.v-qc-card[data-format=context] .v-qc-slide h4{background:transparent;padding:0;border:0;font-size:21px}.v-qc-card[data-format=contrast] .v-qc-options{grid-template-columns:1fr 1fr}.v-qc-card[data-format=contrast] .v-qc-options button{padding:12px}.v-qc-footer{margin-top:18px;padding-top:12px;font-size:11px;color:var(--brand-border)}.v-qc-muted{color:var(--brand-accent)}.v-qc-footer button{padding:0;width:24px;height:24px;color:var(--brand-accent)}.v-qc-dots>span.active{width:17px}.v-qc-error{display:grid;grid-template-columns:30px 1fr auto;gap:11px;align-items:start;margin-top:16px;padding:14px;border:1px solid #db9a9a33;background:#ffffff06;border-radius:11px;animation:qc-enter .25s ease-out}.v-qc-error-icon{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:#e6abab25;color:#f0baba}.v-qc-error strong{font-size:12px;color:#f9e9e9}.v-qc-error p{font-size:12px;line-height:1.65;color:var(--brand-border);margin:5px 0 0}.v-qc-error button{display:flex;align-items:center;gap:7px;border:1px solid #ffffff27;border-radius:20px;background:#ffffff10;padding:8px 11px;color:color-mix(in srgb, var(--brand-light) 45%, white);font:inherit;font-size:11px;cursor:pointer}.v-qc-error button:hover{background:#ffffff20}.v-qc-error button svg{width:14px;height:14px}.v-qc-card.is-finished{min-height:325px}.is-finished .v-qc-underlay{filter:blur(5px);opacity:.25;pointer-events:none;user-select:none;min-height:325px}.v-qc-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:22px;background:color-mix(in srgb, var(--brand-primary) 47.06%, transparent);animation:qc-overlay .4s ease-out}.v-qc-finish-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#bedecd20;color:#bce3ce;margin-bottom:10px;border:1px solid #bedecd30}.v-qc-overlay h4{font-family:BDO,Inter,sans-serif;font-size:25px;letter-spacing:-.6px;font-weight:500;margin:8px 0 4px;color:#fff;outline:none}.v-qc-overlay>p{font-size:12px;color:var(--brand-border);margin:4px 0 0}.v-qc-overlay .v-qc-eyebrow{font-size:9px;letter-spacing:1.4px}.v-qc-decisions{width:100%;max-width:620px;margin-top:18px;gap:9px}.v-qc-decisions button{display:grid;grid-template-columns:22px 1fr;gap:6px 8px;align-items:center;padding:12px;border:1px solid #ffffff28;background:linear-gradient(135deg,#ffffff13,#ffffff07);box-shadow:inset 0 1px 0 #ffffff12;transition:transform .18s,background .18s,border-color .18s}.v-qc-decisions button:hover{transform:translateY(-2px)}.v-qc-decisions strong{font-size:12px}.v-qc-decisions small{grid-column:2;margin:0;font-size:10px}.v-qc-decisions svg{width:18px;height:18px;color:var(--brand-border)}.v-qc-decisions button.selected{background:#b3dbc52b;border-color:#bad8c8}.v-qc-saved{margin-top:12px;color:var(--brand-border);font-size:11px;min-height:17px}.v-qc-replay{display:flex;align-items:center;gap:7px;border:0;background:transparent;font:inherit;font-size:10px;color:var(--brand-border);margin-top:9px;padding:4px;cursor:pointer}.v-qc-replay svg{width:13px;height:13px}@keyframes qc-overlay{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media(max-width:650px){.v-qc-underlay{padding:18px}.v-qc-options,.v-qc-card[data-format=contrast] .v-qc-options{grid-template-columns:1fr}.v-qc-options button{min-height:46px}.v-qc-slide h4,.v-qc-card[data-format=context] .v-qc-slide h4{font-size:19px}.v-qc-error{grid-template-columns:26px 1fr}.v-qc-error button{grid-column:2;justify-self:start}.v-qc-card.is-finished,.is-finished .v-qc-underlay{min-height:415px}.v-qc-overlay{padding:20px 16px}.v-qc-overlay h4{font-size:23px}.v-qc-decisions{grid-template-columns:1fr;gap:7px}.v-qc-decisions button{padding:11px 14px}.v-qc-decisions small{grid-column:auto;justify-self:end}.v-qc-decisions button{grid-template-columns:22px 1fr auto}}@media(prefers-reduced-motion:reduce){.v-qc-overlay,.v-qc-error{animation:none}}

/* Full-width check-in matches the neighboring explanation containers. */
.v-qc{max-width:none;width:100%;margin:24px 0 0}
.v-qc-heading h3{font-size:18px;font-weight:600}.v-qc-heading p{font-size:13px}
.v-qc-card{border-radius:14px;background:var(--brand-primary);border:1px solid var(--brand-secondary);box-shadow:inset 0 1px 0 #ffffff10,0 4px 12px color-mix(in srgb, var(--brand-primary) 7.06%, transparent)}
.v-qc-underlay{padding:22px 24px}.v-qc-type{text-transform:none;letter-spacing:0;font-size:12px;font-weight:500;padding:5px 11px;background:#ffffff0c;border-radius:7px;color:var(--brand-border)}
.v-qc-bookmark{width:32px;height:32px;display:grid;place-items:center;border-radius:8px;color:var(--brand-border)}.v-qc-bookmark:hover{background:#ffffff0b}.v-qc-bookmark svg{width:22px;height:22px;stroke-width:1.7}
.v-qc-slide h4,.v-qc-card[data-format=context] .v-qc-slide h4{font-size:23px;line-height:1.5;font-weight:500;margin:16px 0 20px}
.v-qc-options{gap:12px}.v-qc-options button,.v-qc-card[data-format=contrast] .v-qc-options button{padding:14px 16px;font-size:14px;min-height:58px;border-radius:10px;background:#ffffff08;box-shadow:none;border-color:#ffffff28}
.v-qc-options button:not(:disabled):hover{transform:none;background:#ffffff12;border-color:color-mix(in srgb, var(--brand-border) 45.88%, transparent)}
.v-qc-letter{width:25px;height:25px;font-size:11px;border-radius:50%;background:#ffffff08;border:0;color:var(--brand-border)}
.v-qc-options button.is-correct{background:#205e49;border-color:#81c9a6}.v-qc-options button.is-wrong{background:#683744;border-color:#d39198}
.v-qc-result svg{stroke-width:1.7}.v-qc-footer{font-size:12px;margin-top:20px;padding-top:15px}.v-qc-footer button{width:30px;height:30px;border-radius:7px}.v-qc-footer button:hover{background:#ffffff0b}
.v-qc-error strong{font-size:13px;font-weight:600}.v-qc-error p{font-size:13px}.v-qc-error button{font-size:12px;padding:9px 14px}.v-qc-error-icon{background:transparent;border-radius:0}
.v-qc-card.is-finished,.is-finished .v-qc-underlay{min-height:330px}.v-qc-overlay{background:color-mix(in srgb, var(--brand-primary) 41.96%, transparent)}.v-qc-finish-icon{background:none;border:0;width:30px;height:30px;margin-bottom:8px}.v-qc-finish-icon svg{width:28px;height:28px;stroke-width:1.7}
.v-qc-overlay h4{font-size:27px;font-weight:500}.v-qc-overlay>p{font-size:14px}.v-qc-overlay .v-qc-eyebrow{font-size:10px;letter-spacing:1px}.v-qc-decisions{max-width:740px;gap:12px;margin-top:20px}
.v-qc-decisions button{display:flex;flex-direction:column;align-items:flex-start;gap:5px;padding:15px 18px;background:#ffffff0b;box-shadow:none;border-radius:10px}.v-qc-decisions strong{font-size:14px;font-weight:500}.v-qc-decisions small{font-size:12px;color:var(--brand-border)}.v-qc-decisions button:hover{transform:none;background:#ffffff16}.v-qc-decisions button.selected{background:#c0dfcf1a;border-color:#b3d1c2}.v-qc-saved{font-size:12px}.v-qc-replay{font-size:12px;color:var(--brand-border)}.v-qc-replay svg{width:15px;height:15px}
@media(max-width:650px){.v-qc-underlay{padding:18px}.v-qc-slide h4,.v-qc-card[data-format=context] .v-qc-slide h4{font-size:20px}.v-qc-options button{min-height:48px;padding:12px}.v-qc-card.is-finished,.is-finished .v-qc-underlay{min-height:440px}.v-qc-decisions button{flex-direction:row;justify-content:space-between;align-items:center;padding:14px}.v-qc-decisions strong{font-size:13px}.v-qc-overlay h4{font-size:24px}.v-qc-overlay>p{font-size:13px}}
/* Verified CAT history uses the original neutral surface and the platform book icon. */
.v-cat-occurrences h3{display:flex;align-items:center;gap:9px}.v-cat-occurrences h3 svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;color:#607a9c;flex-shrink:0}
.v-meter-needle{transform-origin:141px 91px;transition:transform .6s ease}.is-changed .v-meter-needle{transform:rotate(-95deg)}.v-pattern-point{transition:transform .6s ease}.is-changed .v-pattern-point{transform:translateY(-48px)}.v-pattern-route{opacity:0;transition:opacity .3s}.is-changed .v-pattern-route{opacity:1}.v-memory-copy small{line-height:1.65;display:block}
@media(prefers-reduced-motion:reduce){.v-meter-needle,.v-pattern-point,.v-pattern-route{transition:none}}
.v-memory-dialogue{display:flex;flex-direction:column;gap:8px;margin:13px 0}.v-memory-line{border:1px solid var(--brand-light);border-radius:10px;padding:9px 13px;max-width:90%;background:#ffffffa6;align-self:flex-start}.v-memory-line.line-1{align-self:flex-end;background:var(--brand-light)}.v-memory-line>span{font-size:10px;color:#7b8da6;font-weight:500}.v-memory-line>p{margin:3px 0 0!important;font-size:14px!important;color:var(--brand-secondary)!important;line-height:1.5!important}
.v-memory-dialogue{max-width:420px}
.v-scene-before,.v-scene-after{transition:opacity .4s ease}.v-scene-after{opacity:0}.is-changed .v-scene-before{opacity:0}.is-changed .v-scene-after{opacity:1}@media(prefers-reduced-motion:reduce){.v-scene-before,.v-scene-after{transition:none}}

/* Alphabetical groups retain their heading in All and selected-letter views. */
.v-letter-heading{display:flex;align-items:baseline;gap:10px;font-family:BDO,Inter,sans-serif;font-size:23px;font-weight:600;line-height:1.3;color:#64748b;margin:20px 12px 8px;padding:0 1px 9px;border-bottom:1px solid var(--brand-light);letter-spacing:0}.v-letter-heading small{font-family:Inter,sans-serif;font-size:11px;font-weight:400;font-style:italic;line-height:1.5;color:#64748b}.v-letter-heading:first-child{margin-top:4px}
/* Keep the word controls visible while the explanation follows the page. */
@media(min-width:781px){.v-library{align-items:start}.v-list-panel{position:sticky;top:84px;align-self:start;contain:none;height:calc(100dvh - 108px);max-height:850px;min-height:0}#word-list{min-height:0}}

/* Quiet depth and consistent feedback for library surfaces and controls. */
.v-list-panel,.v-detail,.v-stats{box-shadow:0 3px 14px color-mix(in srgb, var(--brand-primary) 1.96%, transparent);transition:border-color .22s ease,box-shadow .22s ease}
.v-list-panel:hover,.v-list-panel:focus-within,.v-detail:hover{border-color:var(--brand-border);box-shadow:0 8px 26px color-mix(in srgb, var(--brand-primary) 3.92%, transparent)}
.v-word-row{transition:background .18s ease,box-shadow .18s ease,border-color .18s ease}
.v-word-row:hover{background:color-mix(in srgb, var(--brand-light) 45%, white);box-shadow:0 2px 8px color-mix(in srgb, var(--brand-primary) 2.35%, transparent)}
.v-word-row.selected:hover{background:linear-gradient(110deg,var(--brand-light),var(--brand-light))}
.v-context-example,.v-word-summary,.v-word-family,.v-memory,.v-confused,.v-help,.v-cat-occurrences{transition:border-color .2s ease,box-shadow .2s ease}
.v-context-example:hover,.v-word-summary:hover,.v-word-family:hover,.v-memory:hover,.v-confused:hover,.v-help:hover,.v-cat-occurrences:hover{border-color:var(--brand-border);box-shadow:0 3px 12px color-mix(in srgb, var(--brand-primary) 2.35%, transparent)}
.v-add-list,.v-search-toggle,.v-tabs button{transition:background .18s ease,border-color .18s ease,box-shadow .18s ease}
.v-add-list:hover{box-shadow:0 3px 10px color-mix(in srgb, var(--brand-primary) 10.20%, transparent)}
.v-letter-heading{position:sticky;top:0;z-index:1;background:#fff}
.v-alphabet button:active,.v-tabs button:active{background:var(--brand-light)}
.v-tabs button.active:active{background:var(--brand-secondary)}
.v-stats{display:grid;grid-template-columns:repeat(3,minmax(120px,1fr)) minmax(220px,1.25fr);gap:0;padding:18px 22px;background:#fff;border-radius:16px}
.v-stats>.v-stat-metric{gap:13px;padding:2px 20px 2px 0;min-width:0}
.v-stat-metric+.v-stat-metric{border-left:1px solid var(--brand-light);padding-left:24px}
.v-stats .v-stat-icon{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--brand-light);border-radius:12px;background:var(--brand-light);flex-shrink:0;transition:background .2s ease,border-color .2s ease}
.v-stats .v-stat-icon svg{display:block;width:21px;height:21px;stroke:#60758f;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
.v-stats .mastered .v-stat-icon{background:#f0f8f3;border-color:#e0eee5}.v-stats .mastered svg{stroke:#498461}
.v-stats .unseen .v-stat-icon{background:#f5f6f8;border-color:#e8ebef}
.v-stats b{font-family:BDO,Inter,sans-serif;font-size:24px;font-weight:600;line-height:1.2;letter-spacing:-.5px}.v-stats small{font-size:12px;margin-top:4px}
.v-stats>.v-stat-journey{display:block;border-left:1px solid var(--brand-light);padding-left:24px;min-width:0}
.v-stat-journey>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#64748b;font-size:12px}.v-stat-journey strong{font-size:12px;font-weight:600;color:var(--brand-secondary);white-space:nowrap}
.v-stat-track{height:5px;background:var(--brand-light);border-radius:8px;overflow:hidden;margin:10px 0 6px}.v-stat-track i{display:block;height:100%;background:#7088a7;border-radius:inherit;transition:width .35s ease}.v-stat-journey small{font-size:11px;color:#7a899d}
@media(max-width:1000px){.v-stats{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:18px}.v-stats>.v-stat-journey{grid-column:1/-1;border-left:0;border-top:1px solid var(--brand-light);padding:14px 0 0}.v-stat-metric+.v-stat-metric{padding-left:16px}}
@media(max-width:520px){.v-stats{padding:16px 12px}.v-stats>.v-stat-metric{gap:7px;padding-right:5px}.v-stat-metric+.v-stat-metric{padding-left:9px}.v-stats .v-stat-icon{width:30px;height:30px;border-radius:9px}.v-stats .v-stat-icon svg{width:17px;height:17px}.v-stats b{font-size:20px}.v-stats small{font-size:10px}}
@media(prefers-reduced-motion:reduce){.v-list-panel,.v-detail,.v-stats,.v-word-row,.v-context-example,.v-word-summary,.v-word-family,.v-memory,.v-confused,.v-help,.v-cat-occurrences,.v-add-list,.v-search-toggle,.v-tabs button,.v-stats .v-stat-icon,.v-stat-track i{transition:none}}
.v-scroll-edge{display:none}
/* Source-backed CAT frequency, subordinate to the word and learner status. */
.v-detail-head>div:first-child{min-width:0;flex:1}.v-word-actions{flex-shrink:0}
.v-pronunciation{flex-wrap:wrap;row-gap:9px}.v-pronunciation .v-frequency-wrap{display:inline-flex;align-items:center;white-space:normal;gap:10px}
.v-pronunciation button.v-frequency-chip{display:inline-flex;align-items:center;gap:7px;padding:4px 9px;border:1px solid var(--brand-border);border-radius:6px;background:var(--brand-light);color:var(--brand-secondary);font:500 11px/1.5 Inter,Arial,sans-serif;white-space:nowrap;transition:background .18s,border-color .18s}
.v-pronunciation button.v-frequency-chip:hover,.v-pronunciation button.v-frequency-chip[aria-expanded=true]{background:var(--brand-light);border-color:var(--brand-border)}
.v-frequency-chip svg,.v-frequency-small svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;flex-shrink:0}
.v-word-select strong.v-word-title{display:flex;align-items:center;flex-wrap:wrap;gap:5px 7px}
.v-frequency-small{display:inline-flex;align-items:center;gap:3px;background:var(--brand-light);border:1px solid var(--brand-border);border-radius:5px;padding:2px 5px;color:var(--brand-secondary);font:500 9px/1.3 Inter,Arial,sans-serif;white-space:nowrap}.v-frequency-small svg{width:10px;height:10px}
.v-frequency-popover{position:fixed;z-index:40;display:grid;gap:4px;width:278px;max-width:calc(100vw - 24px);padding:15px;background:#fff;border:1px solid var(--brand-border);border-radius:11px;box-shadow:0 9px 28px color-mix(in srgb, var(--brand-primary) 9.80%, transparent);color:var(--brand-secondary);font:400 12px/1.5 Inter,Arial,sans-serif;white-space:normal}
.v-frequency-popover[hidden]{display:none}.v-frequency-popover strong{font-size:12px;font-weight:600;color:var(--brand-secondary)}.v-frequency-popover small{font-size:10px;color:#64748b;line-height:1.6;margin-top:3px}
.v-pronunciation .v-frequency-popover button{display:flex;align-items:center;justify-content:space-between;border-radius:6px;border:0;border-top:1px solid var(--brand-light);background:color-mix(in srgb, var(--brand-light) 45%, white);color:var(--brand-secondary);padding:8px 10px;margin-top:6px;font:500 12px/1.5 Inter,Arial,sans-serif;text-align:left}.v-pronunciation .v-frequency-popover button:hover{background:var(--brand-light)}
#v-cat-references{scroll-margin-top:104px}#v-cat-references:focus-visible{outline:2px solid var(--brand-accent);outline-offset:5px}
@media(max-width:780px){#v-cat-references{scroll-margin-top:76px}.v-detail-head{flex-wrap:wrap}.v-frequency-popover{max-height:calc(100dvh - 100px);overflow-y:auto}}
@media(max-width:520px){.v-detail-head{display:block}.v-detail-head h2{padding-right:0;overflow-wrap:normal}.v-detail-head .v-word-actions{position:static;justify-content:flex-end;margin-top:12px}.v-pronunciation{column-gap:8px}}
@media(prefers-reduced-motion:reduce){.v-frequency-chip{transition:none}}
@media(min-width:781px){
 .v-detail{position:relative;scroll-margin-top:84px}
 .v-scroll-edge{display:block;position:sticky;top:84px;height:0;margin-top:calc(-1 * var(--v-detail-padding-y,32px) - 1px);margin-bottom:calc(var(--v-detail-padding-y,32px) + 1px);margin-left:calc(-1 * var(--v-detail-padding-x,32px) - 1px);margin-right:calc(-1 * var(--v-detail-padding-x,32px) - 1px);pointer-events:none;z-index:5}
 .v-scroll-edge::before{content:'';position:absolute;left:0;right:0;bottom:0;height:84px;background:#f5f6f8;visibility:hidden}
 .is-scroll-pinned .v-scroll-edge::before{visibility:visible}
 .v-scroll-edge::after{content:'';position:absolute;top:0;left:0;right:0;height:22px;border:1px solid var(--brand-light);border-bottom:0;border-radius:16px 16px 0 0;background:linear-gradient(to bottom,#fff 0%,#ffffffed 28%,#ffffff00 100%)}
 .v-edge-corner{position:absolute;top:0;width:16px;height:16px;z-index:1}
 .v-edge-corner.left{left:0;background:radial-gradient(circle at 100% 100%,transparent 15.5px,#f5f6f8 16px)}
 .v-edge-corner.right{right:0;background:radial-gradient(circle at 0 100%,transparent 15.5px,#f5f6f8 16px)}
 .v-cat-tooltip{max-height:min(440px,calc(100dvh - 100px))}
}
/* Recall reveals an answer within the existing scene, with no layout jump. */
.v-recall-stage{position:relative;isolation:isolate}
.v-recall-stage .v-scene-drawing{transition:opacity .22s ease,filter .22s ease}
.v-recall-answer{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:14px;border-radius:10px;background:color-mix(in srgb, color-mix(in srgb, var(--brand-light) 45%, white) 90.98%, transparent);animation:v-recall-reveal .22s ease;text-align:center}
.v-recall-answer[hidden]{display:none}
.v-recall-answer>span{font:500 9px Inter,sans-serif;letter-spacing:1.4px;color:#71839a}
.v-recall-answer>strong{font:600 20px/1.3 BDO,Inter,sans-serif;color:var(--brand-secondary);overflow-wrap:anywhere}
.is-recalled .v-recall-stage .v-scene-drawing{opacity:.18;filter:blur(2px)}
.v-recall-illustration.is-recalled{border-color:var(--brand-border);background:color-mix(in srgb, var(--brand-light) 45%, white)}
.v-recall-illustration .v-scene-caption{line-height:1.55}
@keyframes v-recall-reveal{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.v-recall-stage .v-scene-drawing{transition:none}.v-recall-answer{animation:none}}
/* Meaning-led motion scenes stop at an observable final state and reset on demand. */
.v-motion-scene{--from:translate(0,0);--to:translate(0,0);--from-b:translate(0,0);--to-b:translate(0,0);--from-c:translate(0,0);--to-c:translate(0,0)}
.v-motion-scene .v-scene-drawing{overflow:hidden}
.v-motion-scene .v-motion-actor,.v-motion-scene .v-motion-companion,.v-motion-scene .v-motion-third{transform-box:view-box;transform-origin:145px 70px;transition:transform .85s cubic-bezier(.22,.68,.25,1),opacity .5s ease}
.v-motion-actor{transform:var(--from)}.v-motion-companion{transform:var(--from-b)}.v-motion-third{transform:var(--from-c)}
.is-animated .v-motion-actor{transform:var(--to)}.is-animated .v-motion-companion{transform:var(--to-b)}.is-animated .v-motion-third{transform:var(--to-c)}
.v-motion-in{opacity:0;transition:opacity .4s ease}.is-animated .v-motion-in{opacity:1;transition-delay:.5s}
.v-motion-scene.is-animated{border-color:var(--brand-border);background:color-mix(in srgb, var(--brand-light) 45%, white)}
.v-motion-scene .v-scene-caption{line-height:1.55}
[data-motion-kind="grow"]{--from:scaleY(.3);--to:scaleY(1)}[data-motion-kind="grow"] .v-motion-actor{transform-origin:145px 100px}
[data-motion-kind="bridge"]{--from:translateY(-40px) rotate(-15deg);--to:translateY(0);--to-b:translateX(185px)}
[data-motion-kind="bridge"].is-animated .v-motion-companion{transition-delay:.65s}
[data-motion-kind="block"]{--to:translateX(78px)}
[data-motion-kind="reveal"]{--to:translateX(195px)}
[data-motion-kind="combine"]{--to:translateX(70px);--to-b:translateX(-70px)}
[data-motion-kind="split"]{--from:translateX(45px);--from-b:translateX(-45px)}
[data-motion-kind="balance"]{--from:rotate(-13deg);--to:rotate(0deg)}[data-motion-kind="balance"] .v-motion-actor{transform-origin:145px 53px}
[data-motion-kind="wave"]{--to:translate(212px,-24px)}
[data-motion-kind="wave"].is-animated .v-motion-actor{animation:v-motion-wave 1.8s ease both}
[data-motion-kind="protect"]{--from:translateX(83px);--to:translateX(0)}
[data-motion-kind="path"]{--to:translateX(205px)}[data-motion-kind="path"].is-animated .v-motion-actor{animation:v-motion-route 1.3s ease both}
[data-motion-kind="light"] .v-motion-actor{opacity:.05}.is-animated[data-motion-kind="light"] .v-motion-actor{opacity:1}
[data-motion-kind="sort"]{--from:translate(9px,15px) rotate(-14deg);--from-b:translate(-15px,-12px) rotate(12deg);--from-c:translate(1px,17px) rotate(-9deg)}
[data-motion-kind="scatter"]{--to:translate(-48px,-19px) rotate(-20deg);--to-b:translate(15px,26px) rotate(20deg);--to-c:translate(46px,-8px) rotate(-10deg)}
[data-motion-kind="judge"]{--from:translateY(-14px);--to:translateY(25px)}
[data-motion-kind="flow"]{--to:translateX(149px);--to-b:translateX(120px);--to-c:translateX(90px)}
[data-motion-kind="flow"].is-animated .v-motion-companion{transition-delay:.15s}[data-motion-kind="flow"].is-animated .v-motion-third{transition-delay:.3s}
[data-motion-kind="fade"]{--to:translateY(-12px)}[data-motion-kind="fade"].is-animated .v-motion-actor{opacity:0}
[data-motion-kind="open"]{--to:scaleX(.1);--to-b:translateX(158px)}[data-motion-kind="open"] .v-motion-actor{transform-origin:107px 65px}
[data-motion-kind="shrink"]{--to:scaleX(.18)}[data-motion-kind="shrink"] .v-motion-actor{transform-origin:42px 67px}
[data-motion-kind="signal"]{--to:translate(101px,-37px)}
[data-motion-kind="mismatch"]{--to:translateX(137px)}
[data-motion-kind="bound"]{--to:translateX(165px)}
[data-motion-kind="pulse"]{--from:scale(.7);--to:scale(1)}[data-motion-kind="pulse"].is-animated .v-motion-actor{animation:v-motion-pulse 1.3s ease both}
@keyframes v-motion-wave{0%{transform:translate(0,0)}25%{transform:translate(45px,-30px)}50%{transform:translate(89px,25px)}75%{transform:translate(138px,-23px)}100%{transform:translate(212px,-24px)}}
@keyframes v-motion-route{0%{transform:translate(0,0)}50%{transform:translate(103px,-41px)}100%{transform:translate(205px,0)}}
@keyframes v-motion-pulse{0%{transform:scale(.7)}35%{transform:scale(1.08)}65%{transform:scale(.88)}100%{transform:scale(1)}}
@media(prefers-reduced-motion:reduce){.v-motion-scene .v-motion-actor,.v-motion-scene .v-motion-companion,.v-motion-scene .v-motion-third,.v-motion-in{transition:none!important;animation:none!important}.is-animated .v-motion-in{transition-delay:0s}}
/* A tilted bubble changes its colour bands while staying within its frame. */
.v-motion-scene[data-motion-word="iridescence"]{--to:rotate(65deg)}.v-motion-scene[data-motion-word="iridescence"].is-animated .v-motion-actor{animation:none;transform:rotate(65deg)}
.v-motion-scene[data-motion-word="fusion"]{--to:translateX(85px);--to-b:translateX(-85px)}
.v-motion-scene[data-motion-word="leverage"]{--from:rotate(12deg);--to:rotate(-12deg)}.v-motion-scene[data-motion-word="leverage"] .v-motion-actor{transform-origin:145px 85px}
.v-motion-scene[data-motion-word="onus"]{--to:translate(113px,-15px)}
.v-motion-scene[data-motion-word="monopoly"]{--to:translateX(85px);--to-b:translateX(-85px)}
.v-motion-scene[data-motion-word="oscillate"]{--from:rotate(-25deg);--to:rotate(25deg)}.v-motion-scene[data-motion-word="oscillate"] .v-motion-actor{transform-origin:145px 22px}.v-motion-scene[data-motion-word="oscillate"].is-animated .v-motion-actor{animation:v-motion-pendulum 1.8s ease both}
@keyframes v-motion-pendulum{0%{transform:rotate(-25deg)}25%{transform:rotate(25deg)}50%{transform:rotate(-25deg)}75%{transform:rotate(25deg)}100%{transform:rotate(25deg)}}
.v-motion-scene[data-motion-word="paradox"]{--from:translateX(30px);--from-b:translateX(-30px)}
.v-motion-scene[data-motion-word="proximity"]{--to:translateX(70px);--to-b:translateX(-70px)}
.v-motion-scene[data-motion-word="qualify"]{--to:translateX(84px)}
.v-motion-scene[data-motion-word="resilient"]{--from:scaleY(.5);--to:scaleY(1)}.v-motion-scene[data-motion-word="resilient"] .v-motion-actor{transform-origin:145px 112px}.v-motion-scene[data-motion-word="resilient"].is-animated .v-motion-actor{animation:v-motion-recovery 1.5s ease both}
@keyframes v-motion-recovery{0%{transform:scaleY(.5)}45%{transform:scaleY(1.08)}70%{transform:scaleY(.92)}100%{transform:scaleY(1)}}
.v-motion-scene[data-motion-word="systemic"]{--to:translate(0,0);--to-b:translate(0,0);--to-c:translate(0,0)}.v-motion-scene[data-motion-word="systemic"] :is(.v-motion-actor,.v-motion-companion,.v-motion-third){opacity:0}.v-motion-scene[data-motion-word="systemic"].is-animated :is(.v-motion-actor,.v-motion-companion,.v-motion-third){opacity:1}
.v-motion-scene[data-motion-word="temporal"] .v-motion-actor{animation:none;transform:var(--from)}.v-motion-scene[data-motion-word="temporal"].is-animated .v-motion-actor{animation:none;transform:translateX(205px)}
/* U through Z, small finite changes within the shared scene frame. */
.v-motion-scene[data-motion-word="unison"]{--to:translateX(66px);--to-b:translate(0,0);--to-c:translateX(-68px)}
.v-motion-scene[data-motion-word="underpin"]{--to:translate(35px,-17px);--to-b:translate(-35px,-17px)}
.v-motion-scene[data-motion-word="variance"]{--to:translateX(-61px);--to-b:translateX(61px)}
.v-motion-scene[data-motion-word="veneer"]{--to:translateX(245px)}
.v-motion-scene[data-motion-word="withhold"]{--to:translateX(80px)}
.v-motion-scene[data-motion-word="wane"]{--from:translateX(105px);--to:translateX(22px)}
.v-motion-scene[data-motion-word="yield"]{--to:translateX(55px);--to-b:translateY(67px)}
.v-motion-scene[data-motion-word="zonal"]{--to:translate(-85px,8px);--to-b:translate(-83px,-15px);--to-c:translate(168px,23px)}
.v-motion-scene[data-motion-word="zombie"]{--to:translateX(-22px);--to-b:translateX(22px)}.v-motion-scene[data-motion-word="zombie"].is-animated .v-motion-actor{opacity:1}
.v-motion-scene[data-motion-word="verbatim"]{--to:translateX(130px)}
[data-motion-kind="carry"]{--to:translate(113px,-15px)}
/* Stable mnemonic cards, bidirectional reveal and interrupted reset motion. */
.v-memory-scene{overflow-anchor:none}
.v-scene-caption{display:flex;align-items:center;justify-content:center}
.v-scene-play{max-width:100%;transition:background .22s ease,border-color .22s ease,box-shadow .22s ease}
.v-recall-answer{animation:none;opacity:0;visibility:hidden;transform:translateY(5px);pointer-events:none;transition:opacity .32s ease,transform .38s cubic-bezier(.22,.68,.25,1),visibility .32s}
.is-recalled .v-recall-answer{opacity:1;visibility:visible;transform:translateY(0)}
.v-recall-stage .v-scene-drawing{transition:opacity .35s ease,filter .35s ease}
.v-motion-scene:is([data-motion-kind="path"],[data-motion-kind="wave"],[data-motion-kind="pulse"],[data-motion-word="oscillate"],[data-motion-word="resilient"]).is-animated .v-motion-actor{animation:none}
.v-scene-cloud,.v-scene-thoughtful,.v-scene-sun,.v-scene-smile{transition:opacity .5s ease}
@media(prefers-reduced-motion:reduce){.v-recall-answer,.v-recall-stage .v-scene-drawing,.v-scene-cloud,.v-scene-thoughtful,.v-scene-sun,.v-scene-smile,.v-scene-play{transition:none}}
/* An outlined action pill, distinct from passive vocabulary chips. */
.v-save-pair{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:8px 14px;border:1px solid var(--brand-border);background:color-mix(in srgb, var(--brand-light) 45%, white);color:var(--brand-secondary);border-radius:999px;font:600 12px/1.4 Inter,Arial,sans-serif;cursor:pointer;box-shadow:0 1px 2px color-mix(in srgb, var(--brand-primary) 2.75%, transparent);transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
.v-save-pair svg{width:16px;height:16px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.v-save-pair[aria-pressed=true]{background:var(--brand-light);border-color:var(--brand-border);color:var(--brand-secondary)}
.v-save-pair:hover{background:var(--brand-secondary);border-color:var(--brand-secondary);color:#fff;box-shadow:0 3px 9px color-mix(in srgb, var(--brand-primary) 8.24%, transparent)}
.v-save-pair:focus-visible{outline:2px solid var(--brand-accent);outline-offset:3px}
.v-save-pair:active{background:var(--brand-primary);border-color:var(--brand-primary);box-shadow:inset 0 1px 3px #00000018}
@media(prefers-reduced-motion:reduce){.v-save-pair{transition:none}}

.v-word-loading{padding:40px 24px;text-align:center;color:#64748b;font:14px/1.6 Inter,Arial,sans-serif}.v-load-more{display:block;margin:12px auto;padding:9px 16px;border:1px solid var(--brand-light);border-radius:100px;background:#f5f6f8;color:var(--brand-primary);font:600 12px Inter;cursor:pointer}