.challenge-intro{border-radius:20px;background:linear-gradient(125deg,#0e2449,#183d73);color:#fff;padding:clamp(24px,5vw,54px);position:relative;overflow:hidden;border-top:6px solid #ffd238}.challenge-intro p{max-width:660px;color:#e3ecfa}.challenge-intro h2{font-size:clamp(28px,4vw,44px);line-height:1.2;color:#fff;max-width:690px}.challenge-intro .btn{background:#ffd238;color:#102c55;font-size:16px}.challenge-features{display:flex;gap:14px;flex-wrap:wrap;margin:24px 0}.challenge-features span{border:1px solid #8ba3c4;border-radius:30px;padding:9px 14px;font-size:13px}.game-kicker{font-size:12px;letter-spacing:1.7px;font-weight:750;color:#fddd70}.game-topline{display:flex;justify-content:space-between;gap:15px;background:#102c55;color:white;padding:18px 24px;border-radius:16px 16px 0 0}.game-topline strong{color:#ffd238}.game-progress{height:6px;background:#dce4ef}.game-progress span{height:100%;display:block;background:#e8aa16;transition:width .2s}.game-main{display:grid;grid-template-columns:minmax(0,1fr) 190px;gap:28px;border:1px solid #d8e1ec;border-top:0;padding:28px;border-radius:0 0 16px 16px;background:#fff}.game-main .game-kicker,.game-result .game-kicker{color:#775300}.game-main h2{font-size:clamp(23px,2.5vw,30px);line-height:1.4;margin:8px 0 25px}.game-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}.game-option{display:flex;align-items:center;gap:12px;flex-wrap:wrap;text-align:left;min-height:90px;padding:16px;border:2px solid #d5deeb;border-radius:12px;background:#f8faff;color:#173558;font:600 15px/1.5 system-ui;cursor:pointer}.game-option>span{display:inline-grid;place-items:center;width:30px;height:30px;flex-shrink:0;border-radius:50%;background:#e1eaf7;color:#173558;font-weight:800}.game-option.chosen{border-color:#ba7a00;background:#fff5d4}.game-option:focus-visible,.game-aids button:focus-visible,.game-skip:focus-visible{outline:3px solid #244f87;outline-offset:3px}.game-option.correct{border-color:#26733b;background:#edf8ee}.game-option.incorrect{border-color:#a43838;background:#fff0ef}.game-option b{display:block;width:100%;font-size:12px}.game-option:disabled{cursor:default;opacity:1}.game-option[disabled]:not(.correct):not(.incorrect):not(.chosen){color:#697486;background:#f2f4f7}.game-aids{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.game-aids button{border:1px solid #bac9de;background:#fff;padding:11px 14px;border-radius:8px;font:600 14px system-ui;color:#163b70;cursor:pointer}.game-aids button:disabled{opacity:.55;cursor:default}.game-fine{font-size:12px;color:#536278}.game-hint{padding:14px;background:#fff6d9;border-radius:8px;color:#554519}.game-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-top:22px}.game-confirm{background:#163b70;min-height:48px;font-size:15px}.game-confirm:disabled{opacity:.45;cursor:not-allowed}.game-skip{border:0;border-bottom:1px solid #8b99aa;color:#24405e;background:transparent;padding:9px 0;font:14px system-ui;cursor:pointer}.game-feedback{background:#f1f5fb;padding:20px;border-radius:12px;border-left:4px solid #396199;margin:22px 0}.game-feedback.success{border-color:#26733b}.game-feedback h3{margin-top:0}.game-main aside.game-ladder{position:static;inset:auto;width:auto;padding:0 0 0 22px;border:0;border-left:1px solid #dce4ef;background:transparent;display:block}.game-ladder h3{font-size:14px;margin:0 0 16px}.game-ladder ol{padding:0;margin:0;list-style:none;display:grid;gap:8px}.game-ladder li{font-size:12px;padding:9px;border-radius:7px;color:#52647b}.game-ladder li span{margin-right:6px;font-weight:750}.game-ladder li[aria-current]{background:#163b70;color:white}.game-ladder li.done{background:#edf8ee;color:#245a32}.game-ladder li.learned{background:#fff5d4;color:#6e500a}.game-result{border:1px solid #d5deeb;border-top:6px solid #ffd238;background:white;border-radius:16px;padding:clamp(22px,4vw,42px)}.game-score{font-size:52px;font-weight:800;color:#163b70;margin:22px 0}.game-score span{font-size:19px;font-weight:500}.game-links{display:grid;gap:12px}.game-result details{margin-top:30px}.game-result summary{cursor:pointer;font-weight:700}.game-result li{margin:20px 0}.game-result li p{font-size:14px}.welcome-challenge{border:1px solid #e8bf42;border-radius:14px;padding:24px;background:#fff5ce;margin:24px 0}.welcome-challenge h2{margin-top:0}.welcome-challenge p{color:#40536d}.welcome-challenge .btn{background:#163b70}
@media(max-width:1000px){.game-main{grid-template-columns:1fr}.game-main aside.game-ladder{border:0;padding:16px 0 0;border-top:1px solid #dce4ef}.game-ladder ol{grid-template-columns:repeat(5,minmax(0,1fr))}.game-ladder li{font-size:10px;padding:7px}.game-ladder h3{margin-bottom:12px}}
@media(max-width:600px){.game-options{grid-template-columns:1fr}.game-main{padding:20px 15px}.game-option{min-height:74px}.game-ladder ol{grid-template-columns:repeat(2,minmax(0,1fr))}.game-topline{padding:16px}.game-actions>.btn{width:100%}.challenge-features{gap:8px}.game-score{font-size:42px}}
@media(prefers-reduced-motion:reduce){.game-progress span{transition:none}}