:root{color-scheme:dark;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:#080e0c;color:#f4f7f2;font-size:16px}*{box-sizing:border-box}body{margin:0;line-height:1.6}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:#f4c300;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #f4c300;outline-offset:4px}.demo-shell{width:min(860px,calc(100% - 36px));margin:auto}.demo-header{display:flex;justify-content:space-between;align-items:center;gap:18px;border-bottom:1px solid #2b3a30;padding:24px 0;font-size:13px}.demo-header>span{font-size:10px;letter-spacing:.12em;color:#8fa496}.back-link{color:#c8d9ce}.title-row{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:35px 0 25px}.eyebrow{font-size:11px;letter-spacing:.12em;color:#9ad092}h1{font-size:clamp(32px,5vw,44px);font-weight:550;letter-spacing:-.045em;margin:8px 0;line-height:1.1}.title-row p{font-size:15px;color:#b1c4b8;margin:12px 0 0;max-width:610px}.demo-tag{font-size:9px;color:#9db0a3;border:1px solid #344a3b;border-radius:30px;padding:6px 10px;letter-spacing:.08em}.play-panel{background:#111e18;border:1px solid #2b4433;border-radius:20px;padding:28px;min-height:380px}.stats{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap;border-bottom:1px solid #2b4133;padding-bottom:18px;margin-bottom:24px;font-size:14px;color:#bed0c2}.stats>div{display:flex;gap:22px}.stats strong{font-size:20px;color:#f4c300;letter-spacing:-.025em;font-variant-numeric:tabular-nums;margin-left:5px}.small-button,.primary-button{border:1px solid #41624b;border-radius:9px;padding:9px 15px;background:#1a3424;color:#e1eddf;min-height:44px}.small-button:hover{background:#254832}.primary-button{background:#f4c300;color:#1b281c;border:0;font-weight:650;min-height:48px;padding:12px 23px}.primary-button:hover{background:#ffdd54}.primary-button:disabled{background:#38483c;color:#8a9e8e;cursor:default}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.memory-card{height:105px;border:1px solid #385441;border-radius:11px;background:#213d2b;color:#aac5b0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;transition:background .15s}.memory-card .icon{font-size:33px;line-height:1.2}.memory-card .label{font-size:12px}.memory-card.open,.memory-card.matched{background:#d7e9c1;color:#294b31;border-color:#d7e9c1}.memory-card.matched{opacity:.65}.memory-card:disabled{cursor:default}.result-line{min-height:28px;margin:20px 0 0;text-align:center;color:#e5d268;font-size:15px}.quiz-question{font-size:clamp(20px,3vw,26px);line-height:1.4;font-weight:500;letter-spacing:-.02em;margin:0 0 24px}.quiz-options{display:grid;gap:12px}.option{display:flex;align-items:center;gap:15px;text-align:left;width:100%;border:1px solid #3a5143;background:#172a20;color:#dce8de;border-radius:10px;padding:15px 18px;font-size:15px;overflow-wrap:anywhere}.option>span:first-child{display:grid;place-items:center;flex-shrink:0;width:30px;height:30px;border-radius:7px;background:#304b39;color:#b9cec0}.option.correct{border-color:#a8d88e;background:#304d28}.option.wrong{border-color:#e6948b;background:#4c2d28}.option:disabled{cursor:default}.feedback{margin:20px 0;font-size:15px;color:#d6e1d4;min-height:28px}.feedback b{color:#f4c300}.quiz-actions{display:flex;justify-content:flex-end;margin-top:20px}.disclaimer{font-size:12px;color:#92a798;margin:22px 0 0}.game-result{text-align:center;padding:35px 10px}.game-result .result-score{font-size:70px;color:#f4c300;font-weight:550;letter-spacing:-.06em}.game-result h2{font-size:28px;font-weight:500;letter-spacing:-.03em;margin:0}.game-result p{color:#bdd0c2}.game-result button{margin-top:14px}.target-grid{width:min(440px,100%);display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:auto}.target{position:relative;aspect-ratio:1;border:1px solid #3b5342;border-radius:14px;background:#1b3424;color:#667f6c;touch-action:manipulation}.target small{position:absolute;left:11px;top:7px;font-size:11px;color:#86a38e}.target.lit{background:#f4c300;border-color:#ffe98b;color:#3e3412;box-shadow:0 0 23px #f4c30024}.target.lit:after{content:'◎';font-size:48px}.target.lit small{color:#5d521c}.target:disabled{cursor:default}.reflex-actions{display:flex;justify-content:center;margin-top:20px}.reflex-help{text-align:center;color:#9ab5a3;font-size:13px;margin:18px 0 0}.business-note{margin:28px 0;padding:20px 0;border-top:1px solid #293f31}.business-note>span{font-size:10px;letter-spacing:.12em;color:#9dca95}.business-note p{margin:8px 0;font-size:14px;color:#a9bdb0}footer{display:flex;justify-content:space-between;gap:20px;padding:10px 0 28px;font-size:12px}footer a:last-child{color:#8ea394}@media(max-width:560px){.demo-header>span{display:none}.title-row{margin:25px 0 20px}.demo-tag{display:none}.play-panel{padding:18px}.memory-grid{gap:8px;grid-template-columns:repeat(3,1fr)}.memory-card{height:92px}.stats>div{gap:14px}.stats{font-size:12px}.stats strong{font-size:18px}.small-button{font-size:12px;padding:7px 12px}.option{padding:12px;font-size:14px}.target-grid{gap:9px}.target.lit:after{font-size:38px}.title-row p{font-size:14px}.quiz-question{font-size:21px}.memory-card .label{font-size:11px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}