:root{--bg:#0b0e16;--card:#141a26;--line:#293242;--red:#ff546e;--text:#f7f7fb;--muted:#a8b0c0;font-family:Inter,Segoe UI,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #ffc0ce;outline-offset:3px}a{color:inherit;text-decoration:none}.glow{position:fixed;width:55vw;height:50vh;top:-25vh;right:-20vw;background:radial-gradient(circle,#8a243244,transparent 68%);pointer-events:none}.wrap{width:min(1120px,calc(100% - 40px));margin-inline:auto}.header{min-height:94px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #242d3c}.brand{font-size:19px;font-weight:800;letter-spacing:-.06em;display:flex;gap:6px;align-items:center}.brand b{color:var(--red)}.symbol{background:var(--red);color:#160e14;display:grid;place-items:center;width:40px;height:40px;border-radius:11px;margin-right:8px;font-size:16px}.header nav{display:flex;gap:24px;color:#b5bdcd;font-size:13px}.header nav a:hover{color:white}.intro{padding:72px 0 44px}.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:800;color:#f6a0b1;display:flex;align-items:center;gap:12px}.dot{width:9px;height:9px;border-radius:50%;background:var(--red);box-shadow:0 0 0 6px #ff546e17}.intro h1{font-size:clamp(48px,9vw,100px);margin:15px 0 12px;letter-spacing:-.085em;line-height:1}.intro h1 span{color:var(--red)}.intro p{font-size:17px;line-height:1.65;max-width:570px;color:var(--muted)}.quick-stats{display:flex;gap:26px;flex-wrap:wrap;margin-top:29px}.quick-stats>span{font-size:18px;font-weight:800}.quick-stats small{display:block;font-size:10px;color:#8b9aaa;letter-spacing:.15em;margin-top:5px}.game-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin:20px 0}.game-tab{padding:18px 12px;border:1px solid var(--line);background:#161c29;color:#b7c0cf;border-radius:14px;text-align:left;font-size:13px;font-weight:750}.game-tab span{display:block;font-size:10px;letter-spacing:.15em;margin-bottom:10px;color:#8b96a8}.game-tab.selected{color:#fff;background:#47232f;border-color:#de5268}.game-panel{display:none;border:1px solid var(--line);background:linear-gradient(160deg,#151c29,#101620);padding:clamp(20px,4vw,45px);border-radius:22px;min-height:540px}.game-panel.active{display:block}.panel-heading{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:28px}.panel-heading small{color:var(--red);font-weight:800;letter-spacing:.19em;font-size:10px}.panel-heading h2{font-size:clamp(28px,4vw,43px);letter-spacing:-.06em;margin:6px 0}.panel-heading p{color:var(--muted);font-size:14px;line-height:1.65;max-width:570px;margin:8px 0}.score-tile{min-width:112px;text-align:center;border:1px solid #3e4b5c;background:#1c2535;border-radius:13px;padding:13px;color:#b9c2d1;font-size:10px;letter-spacing:.12em}.score-tile strong{display:block;font-size:25px;color:#fff;letter-spacing:-.045em;margin-top:6px}.reflex-pad{width:100%;height:320px;border-radius:18px;border:0;background:#222d40;color:#fff;display:flex;align-items:center;justify-content:center;gap:13px;flex-direction:column;transition:background .15s}.reflex-pad span{font-size:47px}.reflex-pad strong{font-size:clamp(23px,4vw,38px)}.reflex-pad small{color:#c3cbd7;font-size:13px}.reflex-pad.wait{background:#ab364d}.reflex-pad.ready{background:#138f6a}.reflex-pad.early{background:#a43d46}.reflex-pad.result{background:#244f6c}.game-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:22px}.secondary{background:#252f40;border:1px solid #425168;border-radius:10px;color:#fff;padding:12px 17px;font-weight:700}.secondary:hover{background:#37445b}.secondary:disabled{opacity:.4;cursor:not-allowed}.muted{color:var(--muted);font-size:13px;line-height:1.6}.memory-bar{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;max-width:590px;margin:0 auto 20px;color:#b0bbce;font-size:13px}.memory-bar b{color:#fff;font-size:16px;margin-left:6px}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:560px;margin:auto}.memory-card{aspect-ratio:1;border:1px solid #485369;border-radius:12px;background:linear-gradient(135deg,#29354a,#161e2c);font-size:clamp(25px,6vw,44px);color:transparent;transition:background .2s,transform .2s}.memory-card.flipped{background:#f9d7de;color:#1c2432;transform:rotateY(180deg)}.memory-card.matched{background:#145f53;color:#fff;transform:none;border-color:#36a08f}.quiz-top{display:flex;justify-content:space-between;gap:10px;font-size:12px;letter-spacing:.12em;font-weight:800;color:#c9d2e0}.quiz-top strong{color:var(--red)}.progress{height:6px;background:#2e3544;border-radius:10px;overflow:hidden;margin:15px 0 30px}.progress span{display:block;height:100%;width:0;background:var(--red);transition:width .3s}.question{font-size:clamp(20px,3vw,30px);font-weight:800;letter-spacing:-.035em;margin:0 0 26px;max-width:740px;line-height:1.4}.quiz-answers{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.answer{padding:19px;text-align:left;background:#1e2838;border:1px solid #3a4b61;color:#f5f7fb;border-radius:12px;font-weight:700}.answer:hover:not(:disabled){border-color:#ef7287}.answer.correct{background:#175344;border-color:#34be94}.answer.wrong{background:#612637;border-color:#e46178}.answer:disabled{cursor:default;opacity:.8}.twenty-top{display:flex;justify-content:center;gap:18px;align-items:center;margin-bottom:18px}.current-score{font-size:11px;letter-spacing:.1em;color:#b7c4d0}.current-score strong{display:block;font-size:24px;color:#fff}.grid-2048{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;background:#283145;padding:10px;border-radius:15px;width:min(400px,100%);aspect-ratio:1;margin:0 auto;touch-action:none}.tile{background:#171f2d;border-radius:8px;display:grid;place-items:center;font-size:clamp(19px,5vw,31px);font-weight:900;letter-spacing:-.06em}.tile[data-v='2']{background:#ecdfd1;color:#46382e}.tile[data-v='4']{background:#e8d5a8;color:#42351e}.tile[data-v='8']{background:#f4ac70;color:#fff}.tile[data-v='16']{background:#ed8b60;color:#fff}.tile[data-v='32']{background:#f57562;color:#fff}.tile[data-v='64']{background:#e6504e;color:#fff}.tile[data-v='128'],.tile[data-v='256'],.tile[data-v='512']{background:#ebc54d;color:#292618;font-size:25px}.tile[data-v='1024'],.tile[data-v='2048']{background:#84d5b1;color:#0d332b;font-size:23px}.arrows{text-align:center;margin-top:17px}.arrows button{width:48px;height:42px;background:#273348;border:1px solid #41536a;color:#fff;border-radius:9px;font-size:22px;margin:3px}.footer{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:40px;padding:27px 0 44px;border-top:1px solid #2b3444;font-size:11px;color:#a8b4c5}.footer a{color:#fff}@media(max-width:700px){.header{padding:17px 0;flex-wrap:wrap}.header nav{gap:13px;flex-wrap:wrap}.intro{padding:50px 0 23px}.game-tabs{grid-template-columns:repeat(2,1fr)}.game-panel{min-height:440px}.panel-heading{flex-wrap:wrap}.quiz-answers{grid-template-columns:1fr}.reflex-pad{height:265px}.score-tile{min-width:100px}}

[hidden]{display:none!important}