@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=DM+Sans:wght@400;500;600;700&display=swap');
:root{color-scheme:dark;--bg:#0b0d13;--panel:#12151e;--line:#292e3c;--text:#f4f5f8;--muted:#a2a8bb;--lime:#c4ff4b;--purple:#a082ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 'DM Sans',Arial,sans-serif}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.4}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,select:focus-visible,canvas:focus-visible{outline:3px solid var(--lime);outline-offset:4px}.header{max-width:1440px;margin:auto;height:90px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;gap:12px;align-items:center;font-weight:800;letter-spacing:-.5px;font-size:21px}.brand-mark{background:var(--lime);color:#0c1013;padding:5px 8px;font-family:'Barlow Condensed',Impact,sans-serif;font-size:23px;transform:skew(-6deg)}.muted{color:var(--muted)}nav{display:flex;gap:32px;font-size:14px;font-weight:600}nav a{padding:33px 0;color:var(--muted)}nav a:hover{color:white}.nav-active{color:white;border-bottom:2px solid var(--lime)}.demo-tag,.genre{font-size:12px;letter-spacing:1.7px;padding:6px 10px;border:1px solid var(--line);color:var(--muted);white-space:nowrap}main{max-width:1440px;margin:auto;padding:44px 5% 0}.page-intro{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:28px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:var(--lime);margin:0 0 8px}h1,h2,h3,p{margin-top:0}h1{font:800 clamp(42px,5vw,64px)/1 'Barlow Condensed',Impact,sans-serif;letter-spacing:-.8px;margin-bottom:0}.intro-note{color:var(--muted);font-size:14px;margin:0 0 4px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:24px;align-items:start}.game-panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}.game-heading{display:flex;justify-content:space-between;align-items:center;padding:23px 26px;gap:16px}.game-ident{display:flex;align-items:center;gap:17px}.number{font:700 40px/1 'Barlow Condensed',Impact,sans-serif;color:var(--line)}h2{font-size:22px;line-height:1.2;margin-bottom:3px}.game-heading p{font-size:14px;color:var(--muted);margin:0}.genre{border-color:#41492e;color:var(--lime);border-radius:4px;letter-spacing:1px}.scorebar{display:flex;align-items:center;gap:42px;border-top:1px solid var(--line);padding:17px 26px;background:#161a25}.scorebar div{display:flex;flex-direction:column}.scorebar span{font-size:12px;color:var(--muted);letter-spacing:1.4px}.scorebar strong{font:700 25px/1.2 'Barlow Condensed',Impact,sans-serif;letter-spacing:2px;margin-top:4px}.scorebar .best-score{margin-left:auto}.best-score strong{color:var(--lime)}#lives{color:var(--purple);font-size:20px;line-height:1.5;letter-spacing:4px;min-width:72px}.arena{position:relative;aspect-ratio:900/520;background:#0c101a;touch-action:none;overflow:hidden}canvas{width:100%;height:100%;display:block}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;background:#0b101ad9;padding:20px;text-align:center}.overlay[hidden]{display:none}.overlay .eyebrow{margin-bottom:14px;color:var(--purple)}h3{font:800 clamp(32px,4.4vw,62px)/1 'Barlow Condensed',Impact,sans-serif;text-transform:uppercase;letter-spacing:1px;margin-bottom:14px}.overlay p:not(.eyebrow){font-size:14px;color:var(--muted);margin-bottom:24px}.primary{display:flex;align-items:center;gap:30px;background:var(--lime);color:#0c1013;border:0;border-radius:6px;font-weight:700;font-size:16px;padding:13px 23px;box-shadow:0 4px 30px #c4ff4b17}.primary:hover{background:#d6ff83}.primary span{font-size:20px}.overlay-hint{font-size:12px;color:var(--muted);margin-top:16px}.game-toolbar{padding:15px 24px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line)}.game-status{font-size:14px;color:var(--muted)}.toolbar-actions{display:flex;gap:20px}.toolbar-actions button{background:none;border:0;color:var(--text);font-size:14px;padding:4px}.toolbar-actions button:hover:not(:disabled){color:var(--lime)}kbd{font:500 12px 'DM Sans',Arial,sans-serif;background:#202532;border:1px solid #363c4e;border-bottom-width:2px;display:inline-block;padding:3px 7px;border-radius:4px;min-width:27px;text-align:center}.toolbar-actions kbd{margin-left:6px}.sidebar{display:flex;flex-direction:column;gap:20px}.card{border:1px solid var(--line);border-radius:12px;padding:24px;background:var(--panel)}.challenge{background:linear-gradient(140deg,#202037,#12151e 75%)}.challenge .eyebrow{color:var(--purple);margin-bottom:20px}.challenge h2{font:700 38px/1.05 'Barlow Condensed',Impact,sans-serif;margin-bottom:16px}.challenge>p:not(.eyebrow){color:var(--muted);font-size:14px}.difficulty-label{display:flex;justify-content:space-between;margin:25px 0 9px;font-size:14px}.difficulty-label span{font-size:12px;color:var(--lime);letter-spacing:1px}select{width:100%;padding:12px 9px;background:#0d111b;color:var(--text);border:1px solid #383e50;border-radius:6px;font-size:14px}.challenge .small{font-size:12px;margin:9px 0 23px}.challenge-footer{border-top:1px solid var(--line);padding-top:19px;display:flex;gap:10px;align-items:center;font-size:14px}.pulse-icon{color:var(--lime);font-size:22px}.controls .eyebrow{color:var(--muted);margin-bottom:18px}.control-row{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:15px}.control-row span{font-size:14px;color:var(--muted)}.controls p:last-child{font-size:12px;color:var(--muted);line-height:1.6;border-top:1px solid var(--line);padding-top:15px;margin-bottom:0}.bottom-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:26px 0 44px}.bottom-strip>div{display:flex;align-items:flex-start;gap:14px;padding:16px 0}.tip-number{font:600 21px 'Barlow Condensed',Impact,sans-serif;color:var(--lime);white-space:nowrap}.bottom-strip p{font-size:14px;margin:0}.bottom-strip strong{font-weight:600}.bottom-strip p span{color:var(--muted)}footer{max-width:1440px;margin:auto;border-top:1px solid var(--line);padding:25px 5%;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}.footer-brand{color:var(--text);font-weight:700;letter-spacing:1px}.footer-brand span{color:var(--muted);margin-left:12px;letter-spacing:0;font-weight:400}.footer-demo{color:#777f98}@media(min-width:1600px){main{padding-top:60px}}@media(max-width:1050px){.layout{grid-template-columns:minmax(0,1fr) 250px;gap:18px}.card{padding:19px}.scorebar{gap:28px}.game-heading{padding:20px}.controls .control-row{gap:8px}.control-row span{font-size:12px}}@media(max-width:800px){.header{height:76px;padding:0 5%}.demo-tag{display:none}nav a{padding:26px 0}main{padding-top:30px}.layout{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:1fr 1fr}.challenge h2 br{display:none}.challenge h2{font-size:30px}.challenge .eyebrow{margin-bottom:14px}.challenge>p:not(.eyebrow){margin-bottom:8px}.difficulty-label{margin-top:18px}.challenge .small{margin-bottom:12px}.challenge-footer{padding-top:12px}.bottom-strip{gap:14px;margin-bottom:26px}.bottom-strip>div{gap:9px}.footer-demo{display:none}}@media(max-width:520px){.header{gap:14px}.brand{font-size:17px;gap:8px}.brand-mark{font-size:20px}nav{gap:18px;font-size:12px}.page-intro{margin-bottom:22px}.intro-note{display:none}.game-heading{padding:16px;gap:8px}.game-ident{gap:10px}.number{font-size:30px}h2{font-size:19px}.game-heading p{font-size:12px}.genre{font-size:10px;padding:5px 7px}.scorebar{padding:13px 16px;gap:21px}.scorebar span{font-size:10px;letter-spacing:.8px}.scorebar strong{font-size:22px}.scorebar .best-score{margin-left:auto}#lives{font-size:14px;letter-spacing:2px;min-width:48px;line-height:1.9}.arena{aspect-ratio:900/660}.overlay{padding:16px}.overlay .eyebrow{font-size:10px;margin-bottom:9px}h3{font-size:38px;margin-bottom:10px}.overlay p:not(.eyebrow){font-size:12px;margin-bottom:18px}.primary{padding:11px 20px;font-size:14px}.overlay-hint{margin-top:10px}.game-toolbar{padding:12px 14px}.game-status{font-size:12px}.toolbar-actions{gap:11px}.toolbar-actions button{font-size:12px}.toolbar-actions kbd{display:none}.sidebar{grid-template-columns:1fr}.card{padding:22px}.controls .control-row span{font-size:14px}.bottom-strip{grid-template-columns:1fr;gap:0;margin-top:18px}.bottom-strip>div{padding:12px 0;gap:16px}.bottom-strip>div+div{border-top:1px solid var(--line)}footer{flex-direction:column;gap:8px;padding-top:21px;padding-bottom:21px}}