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h1:focus{outline:none}.vietnam-quiz-question__cursor{color:var(--quiz-accent);margin-left:.125rem;animation:.64s step-end infinite vietnam-quiz-cursor;display:inline-block}@keyframes vietnam-quiz-cursor{50%{opacity:0}}.vietnam-quiz-answers{grid-area:answers;grid-template-columns:1fr;gap:.625rem;display:grid;position:relative}.vietnam-quiz-answer{--quiz-answer-color:var(--quiz-silhouette);--quiz-answer-background:var(--quiz-paper);min-height:4rem;color:var(--quiz-ink);background:var(--quiz-answer-background);border:3px solid color-mix(in srgb, var(--quiz-answer-color) 38%, transparent);font:inherit;text-align:left;cursor:pointer;border-radius:1.125rem;grid-template-columns:2.5rem minmax(0,1fr);align-items:center;gap:.625rem;padding:.625rem 2.875rem .625rem .75rem;font-size:1.05rem;font-weight:850;line-height:1.15;transition:transform .15s,border-color .15s,background-color .15s;display:grid;position:relative;box-shadow:0 .3125rem 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var(--atlas-focus);outline-offset:3px}.vietnam-quiz-answer:disabled{color:var(--quiz-ink);cursor:default;opacity:1}.vietnam-quiz-answer__index{width:2.5rem;height:2.5rem;color:var(--quiz-paper);background:var(--quiz-answer-color);border-radius:.75rem;place-items:center;font-weight:950;display:grid}.vietnam-quiz-answer--choice-1{--quiz-answer-color:var(--quiz-answer-a);--quiz-answer-background:var(--quiz-answer-a-soft)}.vietnam-quiz-answer--choice-2{--quiz-answer-color:var(--quiz-answer-b);--quiz-answer-background:var(--quiz-answer-b-soft)}.vietnam-quiz-answer--choice-3{--quiz-answer-color:var(--quiz-answer-c);--quiz-answer-background:var(--quiz-answer-c-soft)}.vietnam-quiz-answer--choice-4{--quiz-answer-color:var(--quiz-answer-d);--quiz-answer-background:var(--quiz-answer-d-soft)}.vietnam-quiz-answer__status{stroke-width:4px;width:1.75rem;height:1.75rem;position:absolute;right:.875rem}.vietnam-quiz-answer--correct{background:var(--quiz-success-soft);border-color:var(--quiz-success);animation:vietnam-quiz-answer-pop 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vietnam-quiz-answer-shake{20%,60%{transform:translate(-7px)}40%,80%{transform:translate(7px)}}.vietnam-quiz-answer-placeholder{grid-area:answers;min-height:17.875rem}.vietnam-quiz-game__media-column{opacity:0;grid-area:media;min-width:0}.vietnam-quiz-game__media-column.is-visible{opacity:1;animation:vietnam-quiz-media-enter var(--vietnam-quiz-media-ms) cubic-bezier(.25, 1, .5, 1) both}@keyframes vietnam-quiz-media-enter{0%{opacity:0;transform:translate(18px)scale(.98)}to{opacity:1;transform:translate(0)scale(1)}}.vietnam-quiz-media,.vietnam-quiz-media-placeholder{background:var(--quiz-media-background);border:4px solid var(--quiz-paper);border-radius:1.75rem;width:100%;height:100%;min-height:22.5rem;position:relative;overflow:hidden;box-shadow:0 .75rem 1.875rem 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vietnam-quiz-fact-enter{0%{opacity:0}}.vietnam-quiz-media__fact-label{color:#f5c783;letter-spacing:.1em;text-transform:uppercase;font-size:.85rem;font-weight:950}.vietnam-quiz-media__fact-title{font-size:clamp(1.65rem,3vw,2.5rem);font-weight:950;line-height:1.05}.vietnam-quiz-media__fact-body{max-width:38ch;font-size:clamp(1rem,1.8vw,1.25rem);font-weight:700;line-height:1.45}.vietnam-quiz-button--next{min-height:3.5rem;color:var(--quiz-paper);background:var(--quiz-accent);align-self:flex-end}.vietnam-quiz-button--next:hover{background:var(--quiz-accent-active)}.vietnam-quiz-button--secondary{background:var(--quiz-paper);border-color:#183b3a2e;min-height:3.5rem}.vietnam-quiz-button--exit{min-height:3.5rem;color:var(--quiz-paper);background:var(--quiz-accent)}.vietnam-quiz-exit-dialog{width:min(32.5rem,100% - 2rem);max-height:calc(100dvh - 2rem);color:var(--quiz-ink);background:0 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