:root{--accent:#a3e635;--accent-soft:#a3e63515}.game-shell{max-width:1240px;margin-left:auto;margin-right:auto;padding:0 24px}.page-heading{max-width:1288px;margin:auto;padding-top:36px;padding-bottom:28px}.page-heading>p{font-size:14px}.eyebrow,.prompt-label,.setting>span{font-size:10px}.start-button,.check-button{color:#172406}.start-button:hover,.check-button:hover{background:#bef264}.stats{grid-template-columns:repeat(3,1fr)}#round-label{font-size:14px;line-height:1.5;margin-bottom:0}#question{font-size:clamp(24px,3vw,34px);line-height:1.4;letter-spacing:-.025em;margin:12px 0 22px;overflow-wrap:anywhere}#question:focus{outline:none}#welcome,.footnote,#reference-note{color:var(--muted);font-size:14px;line-height:1.7}.choices{display:grid;grid-template-columns:1fr 1fr;gap:12px}.choice{display:flex;gap:14px;align-items:start;min-height:92px;background:var(--raised);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:18px;text-align:left;line-height:1.55;font-size:15px}.choice .letter{flex-shrink:0;display:grid;place-items:center;border:1px solid var(--line-strong);border-radius:5px;width:27px;height:27px;color:var(--muted);font-size:12px}.choice:hover:not(:disabled){border-color:var(--accent);background:#202b20}.choice.correct{border-color:var(--correct);background:#86efac0c}.choice.wrong{border-color:var(--wrong);background:#fda4af0c}.choice:disabled{cursor:default;opacity:1}.choice .verdict{display:block;margin-top:8px;font-size:12px;font-weight:700}.correct .verdict{color:var(--correct)}.wrong .verdict{color:var(--wrong)}.result{margin-top:22px;line-height:1.7;font-size:14px}.result:empty{margin:0}.result p{margin:8px 0}.result strong{color:var(--accent)}.answer-actions{flex-wrap:wrap}.check-button,.secondary-button{height:auto;min-height:44px}.summary,.reference{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:22px;margin-top:18px}.summary h2{margin-top:0}.review-item{border-top:1px solid var(--line);padding:14px 0;line-height:1.6}.review-item p{color:var(--muted);margin:6px 0}.reference summary{cursor:pointer;font-weight:650;line-height:1.6}.reference summary span{color:var(--muted);font-weight:400;margin-left:10px}.reference summary:focus-visible{outline:2px solid var(--cyan);outline-offset:5px}dl{display:grid;grid-template-columns:minmax(140px,1fr) 2fr;margin-bottom:0}dt,dd{border-top:1px solid var(--line);margin:0;padding:13px 8px;font-size:14px;line-height:1.65}dt{font-weight:650}dd{color:#b2bbc8}.footnote{font-size:12px}[hidden]{display:none!important}@media(max-width:650px){.game-shell{padding:0 16px}.choices{grid-template-columns:1fr}.choice{min-height:70px}.stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.stats div{min-width:0;padding:10px}.answer-actions{display:flex}.answer-actions button{flex:1}.reference,.summary{padding:16px}dl{grid-template-columns:1fr}dt{padding-bottom:3px}dd{border-top:0;padding-top:0}.page-heading>p{font-size:13px}}