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0;line-height:1.85}.vt-footer{display:flex;gap:20px;justify-content:space-between;border-top:1px solid var(--vt-border);margin-top:40px;padding-top:19px;font-size:9px;color:var(--vt-muted)}.vt-round-head{display:flex;align-items:center;justify-content:space-between;gap:25px;margin:18px 0 23px}.vt-round-head h1{font:500 52px/1.12 Georgia,serif;letter-spacing:-.045em;margin:10px 0 9px}.vt-round-head h1 small{display:block;font:600 13px/1.6 Nunito,system-ui,sans-serif;letter-spacing:0;color:var(--vt-muted);margin-top:9px}.vt-round-head p{font-size:11px;color:var(--vt-muted);margin:0}.vt-usage-note{padding:15px 19px;border-left:3px solid #b99c60;background:#fbf4e2;border-radius:0 9px 9px 0;font-size:11px;color:#776139;line-height:1.8;margin-bottom:23px}.vt-practice-instructions{padding:20px 24px;border:1px solid var(--vt-border);border-radius:12px;background:var(--vt-paper);font-size:12px;margin-bottom:33px}.vt-practice-instructions p{margin:5px 0 0;color:var(--vt-muted);font-size:11px}.vt-time-section{margin:0 0 34px}.vt-time-heading{display:flex;align-items:center;gap:13px;margin-bottom:16px}.vt-time-heading>span{font:500 26px Georgia,serif;color:#9ab18f;border-right:1px solid var(--vt-border);padding-right:15px}.vt-time-heading h2{font:500 27px/1.2 Georgia,serif;letter-spacing:-.025em;margin:0 0 4px}.vt-time-heading p{font-size:10px;color:var(--vt-muted);margin:0}.vt-tense-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;align-items:start}.vt-tense-card{padding:24px;border:1px solid var(--vt-border);border-top:3px solid #a8bfa3;border-radius:12px;background:var(--vt-paper);min-width:0}.vt-tense-card header{border-bottom:1px solid var(--vt-border);padding-bottom:16px;margin-bottom:18px}.vt-tense-card header .vt-kicker{font-size:8px}.vt-tense-card h3{font:500 24px/1.3 Georgia,serif;letter-spacing:-.025em;margin:7px 0 0;overflow-wrap:break-word}.vt-answer{display:block;margin-top:17px;min-width:0}.vt-subject{display:block;font-size:11px;font-weight:900;color:var(--vt-green);margin-bottom:6px}.vt-answer input{font-size:15px;min-height:49px}.vt-answer--excluded{background:var(--vt-wash);border-radius:8px;padding:13px 16px;color:var(--vt-muted)}.vt-answer--excluded p{font-size:11px;margin:0}.vt-answer--excluded .vt-small{font-size:9px}.vt-help,.vt-variants{font-size:10px;margin-top:17px;color:var(--vt-muted);line-height:1.8}.vt-help summary,.vt-variants summary{cursor:pointer;padding:5px 0;min-height:32px;color:var(--vt-green);font-weight:800}.vt-help p{margin:10px 0 9px}.vt-help code,.vt-explanation code{display:block;padding:10px 13px;border-radius:6px;background:var(--vt-sage);color:var(--vt-sage-ink);white-space:normal;font:11px/1.8 Nunito,system-ui,sans-serif}.vt-check-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--vt-sage);border:1px solid #d4dfcf;border-radius:13px;padding:24px 27px;color:var(--vt-sage-ink)}.vt-check-bar>div{display:grid;gap:5px}.vt-check-bar strong{font-size:12px}.vt-check-bar span{font-size:10px}.vt-check-bar .vt-button{min-width:205px}.vt-score-panel{display:grid;grid-template-columns:170px 1fr;gap:30px;align-items:center;padding:30px;background:var(--vt-sage);border:1px solid #d4dfcf;border-radius:16px;color:var(--vt-sage-ink);margin-bottom:22px}.vt-score{text-align:center;border-right:1px solid #c4d5bf;padding-right:30px}.vt-score>strong{display:block;font:500 66px/1.1 Georgia,serif;letter-spacing:-.04em}.vt-score strong small{font-size:28px;margin-left:4px}.vt-score>span{font-size:11px;font-weight:800;display:block;margin-top:8px}.vt-score-copy h2{font:500 29px/1.25 Georgia,serif;letter-spacing:-.025em;margin:8px 0 12px}.vt-score-copy>p{font-size:12px;margin:0}.vt-score-copy .vt-small{font-size:10px;color:inherit;opacity:.8;margin-top:5px}.vt-result-actions,.vt-bottom-actions{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 35px}.vt-bottom-actions{justify-content:space-between;margin-top:10px;margin-bottom:0}.vt-result-row{display:flex;align-items:center;justify-content:space-between;gap:15px}.vt-result-row .vt-subject{margin:0}.vt-result-status{font-size:10px;font-weight:900;color:#9c6255}.vt-answer--result{border:1px solid var(--vt-border);border-radius:8px;padding:16px}.vt-answer--result[data-status=correct]{border-color:#bdd2be;background:#f4f8f0}.vt-answer--result[data-status=correct] .vt-result-status{color:#44714d}.vt-answer--result[data-status=wrong]{border-color:#dec6bb;background:#fff8f3}.vt-answer--result[data-status=blank]{border-color:#d8d9d7;background:#f9faf8}.vt-answer--result>.vt-small{display:block;margin-top:13px;font-size:9px}.vt-input-result,.vt-canonical{font:500 19px/1.55 Georgia,serif;overflow-wrap:anywhere;margin:3px 0 0}.vt-canonical{color:var(--vt-green)}.vt-variants{font-size:9px;margin-top:8px}.vt-variants p{font-size:13px;overflow-wrap:anywhere}.vt-explanation{font-size:11px;line-height:1.85;margin-top:19px;padding-top:16px;border-top:1px solid var(--vt-border);color:var(--vt-muted)}.vt-explanation strong{font-size:10px;color:var(--vt-ink)}.vt-explanation p{margin:7px 0 11px}.vt-dialog-backdrop{position:fixed;inset:0;z-index:4000;display:grid;place-items:center;background:#10251e80;padding:20px}.vt-dialog{width:100%;max-width:480px;padding:29px;background:var(--vt-paper);border:1px solid var(--vt-border);border-radius:16px;box-shadow:0 20px 80px #0003}.vt-dialog h2{font:500 30px/1.25 Georgia,serif;letter-spacing:-.025em;margin:13px 0 15px}.vt-dialog p{font-size:12px;color:var(--vt-muted);line-height:1.8}.vt-dialog>div{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px}@keyframes vt-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.dark .vt-app,[data-theme=dark] .vt-app{--vt-sage:#203e34;--vt-green:#a2cbb2;--vt-sage-ink:#c5ddcc}.dark .vt-hero,[data-theme=dark] .vt-hero{background:linear-gradient(115deg,#253c32,#283a31);border-color:#405747;color:#e3eddb}.dark .vt-hero p,.dark .vt-hero-tags,[data-theme=dark] .vt-hero p,[data-theme=dark] .vt-hero-tags{color:#b4c8b1}.dark .vt-guide-note,.dark .vt-score-panel,.dark .vt-check-bar,.dark .vt-step,[data-theme=dark] .vt-guide-note,[data-theme=dark] .vt-score-panel,[data-theme=dark] .vt-check-bar,[data-theme=dark] .vt-step{border-color:#405747}.dark .vt-score,[data-theme=dark] .vt-score{border-color:#4e6956}.dark .vt-usage-note,[data-theme=dark] .vt-usage-note{background:#443924;color:#ebd6a7}.dark .vt-answer--result[data-status=correct],[data-theme=dark] .vt-answer--result[data-status=correct]{background:#203e34;border-color:#45654c}.dark .vt-answer--result[data-status=wrong],[data-theme=dark] .vt-answer--result[data-status=wrong]{background:#402d29;border-color:#705246}.dark .vt-answer--result[data-status=blank],[data-theme=dark] .vt-answer--result[data-status=blank]{background:#2e3432;border-color:#4a5450}.dark .vt-result-status,[data-theme=dark] .vt-result-status{color:#d9ad99}.dark .vt-answer--result[data-status=correct] .vt-result-status,[data-theme=dark] .vt-answer--result[data-status=correct] .vt-result-status{color:#a3c6a6}
@media(max-width:1000px){.vt-app{padding:22px 24px 50px}.vt-hero{padding:30px;gap:15px}.vt-hero h1{font-size:45px}.vt-setup-grid{gap:20px;grid-template-columns:minmax(0,1.4fr) minmax(240px,1fr)}.vt-card{padding:23px}.vt-guide{padding:20px 0}.vt-guide h2{font-size:29px}.vt-fields{gap:16px 13px}.vt-tense-card{padding:21px}.vt-tense-card h3{font-size:23px}}
@media(max-width:760px){.vt-app{padding:20px 20px 40px}.vt-mode{font-size:8px;letter-spacing:.09em}.vt-hero{grid-template-columns:1fr;padding:30px;gap:8px}.vt-hero h1{font-size:47px}.vt-hero h1 br{display:none}.vt-hero p{max-width:none}.vt-art{max-width:380px;margin:auto}.vt-setup-grid{grid-template-columns:1fr;gap:24px}.vt-guide{padding:9px 2px 0}.vt-guide h2 br{display:none}.vt-guide ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.vt-guide li{padding:28px 0 0}.vt-guide li:before{top:0}.vt-guide-note{margin-top:10px}.vt-tense-card h3{font-size:21px}.vt-round-head h1{font-size:45px}.vt-score-panel{grid-template-columns:135px 1fr;padding:25px;gap:23px}.vt-score{padding-right:23px}.vt-score>strong{font-size:57px}.vt-score-copy h2{font-size:26px}.vt-score-copy>p{font-size:11px}.vt-footer{font-size:8px}.vt-result-actions{gap:10px}.vt-result-actions .vt-button{font-size:11px!important}}
@media(max-width:500px){.vt-app{padding:16px 15px 35px}.vt-topbar{padding-bottom:18px;gap:10px;align-items:flex-start;flex-direction:column}.vt-back{font-size:11px;min-height:32px}.vt-mode{font-size:7px}.vt-hero{padding:24px 22px 13px;border-radius:15px;margin-bottom:23px}.vt-kicker{font-size:8px;letter-spacing:.12em}.vt-hero h1{font-size:39px;margin-top:11px}.vt-hero p{font-size:12px}.vt-hero-tags{font-size:8px;gap:7px 12px}.vt-art{margin-top:4px}.vt-card{padding:21px 18px}.vt-section-heading{gap:12px;margin-bottom:23px}.vt-section-heading h2{font-size:28px}.vt-step{width:38px;height:38px;font-size:20px}.vt-fields{gap:17px;grid-template-columns:1fr}.vt-span-2{grid-column:auto}.vt-field{font-size:11px}.vt-field input,.vt-field select{font-size:12px;min-height:46px}.vt-verb-preview{padding:20px;gap:5px 14px}.vt-verb-preview>strong{font-size:33px}.vt-verb-preview>span:not(.vt-kicker){font-size:11px}.vt-verb-preview p{font-size:10px}.vt-config-actions{display:grid;grid-template-columns:1fr;gap:12px}.vt-config-actions .vt-button{width:100%}.vt-small{font-size:9px}.vt-guide h2{font-size:29px}.vt-guide ol{display:block}.vt-guide li{padding:0 0 21px 32px}.vt-guide li:before{top:1px}.vt-guide li strong{font-size:12px}.vt-guide li span{font-size:11px}.vt-footer{flex-direction:column;gap:7px;margin-top:30px;padding-top:17px;font-size:8px}.vt-round-head{align-items:flex-start;gap:15px;flex-wrap:wrap;margin-top:12px}.vt-round-head h1{font-size:43px}.vt-round-head h1 small{font-size:12px}.vt-round-head p{font-size:10px}.vt-round-head .vt-button{min-height:38px;font-size:10px!important;padding:9px 12px}.vt-usage-note{font-size:10px;padding:13px 16px}.vt-practice-instructions{padding:17px;margin-bottom:25px;font-size:11px}.vt-practice-instructions p{font-size:10px;line-height:1.85}.vt-time-heading{gap:11px}.vt-time-heading>span{font-size:24px;padding-right:12px}.vt-time-heading h2{font-size:25px}.vt-time-heading p{font-size:9px}.vt-tense-grid{grid-template-columns:1fr;gap:14px}.vt-tense-card{padding:21px 19px}.vt-tense-card h3{font-size:25px}.vt-tense-card header .vt-kicker{font-size:8px}.vt-answer input{font-size:16px}.vt-help{font-size:10px}.vt-check-bar{padding:20px;flex-direction:column;align-items:stretch;gap:17px}.vt-check-bar .vt-button{width:100%;min-width:0}.vt-check-bar strong{font-size:11px}.vt-check-bar span{font-size:9px}.vt-score-panel{grid-template-columns:1fr;padding:24px 20px;gap:18px}.vt-score{display:flex;align-items:center;gap:20px;justify-content:flex-start;border-right:0;border-bottom:1px solid #c4d5bf;padding:0 0 19px;text-align:left}.vt-score>strong{font-size:59px}.vt-score>span{margin:0;font-size:11px}.vt-score-copy h2{font-size:28px}.vt-score-copy>p{font-size:11px}.vt-score-copy .vt-small{font-size:9px}.vt-result-actions{display:grid;grid-template-columns:1fr;margin-bottom:28px}.vt-result-actions .vt-button{width:100%}.vt-bottom-actions{flex-direction:column}.vt-bottom-actions .vt-button{width:100%}.vt-dialog{padding:24px 21px}.vt-dialog h2{font-size:28px}.vt-dialog p{font-size:11px}.vt-dialog>div{flex-direction:column}.vt-dialog .vt-button{width:100%}.vt-input-result,.vt-canonical{font-size:19px}}
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/* The English landing is scoped independently from the physics catalog. */
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