:root{--bg:#05060d;--panel:#0b0f1f;--cyan:#00f0ff;--mag:#ff2bd6;--text:#d8f7ff;--muted:#7a8aa8;--line:#1b2440}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:'Share Tech Mono',ui-monospace,monospace}
body{min-height:100vh;background-image:linear-gradient(rgba(0,240,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,240,255,.05) 1px,transparent 1px);background-size:40px 40px}
a{color:var(--cyan)}
header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding:16px 24px;border-bottom:1px solid var(--line)}
.logo{font-family:'Orbitron',sans-serif;color:var(--cyan);text-shadow:0 0 10px var(--cyan);letter-spacing:2px;text-decoration:none}
nav a{color:var(--muted);margin-left:18px;text-decoration:none}
nav a:hover{color:var(--cyan)}
main{max-width:1000px;margin:0 auto;padding:40px 20px}
h1{font-family:'Orbitron',sans-serif;font-size:clamp(28px,5vw,48px);margin:0 0 12px;text-shadow:0 0 18px var(--mag)}
.lead{color:var(--muted);max-width:640px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:32px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;cursor:pointer;transition:.2s;color:inherit;font:inherit;text-align:left}
.card:hover,.card:focus-visible{border-color:var(--cyan);box-shadow:0 0 22px rgba(0,240,255,.25);outline:none}
.card h3{font-family:'Orbitron',sans-serif;margin:0 0 8px;color:var(--mag)}
.card p{margin:0;color:var(--muted);font-size:14px}
#play{margin-top:40px;display:none}
#play.on{display:block}
canvas{display:block;max-width:100%;height:auto;margin:0 auto;background:var(--panel);border:1px solid var(--cyan);box-shadow:0 0 25px rgba(0,240,255,.2);border-radius:8px;touch-action:none}
.bar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;max-width:700px;margin:12px auto}
.hint{color:var(--muted);font-size:14px;margin:0}
#score{color:var(--cyan)}
button.btn{background:transparent;border:1px solid var(--mag);color:var(--mag);padding:8px 14px;border-radius:6px;cursor:pointer;font:inherit}
button.btn:hover{background:var(--mag);color:#000}
footer{border-top:1px solid var(--line);padding:24px;text-align:center;color:var(--muted);font-size:13px}
footer a{margin:0 8px;color:var(--muted)}
.doc{max-width:760px;margin:0 auto;padding:40px 20px;line-height:1.7}
.doc h2{font-family:'Orbitron',sans-serif;color:var(--cyan);font-size:18px;margin-top:28px}
#cookie{position:fixed;left:16px;right:16px;bottom:16px;max-width:640px;margin:auto;background:var(--panel);border:1px solid var(--cyan);border-radius:10px;padding:16px;display:none;gap:12px;align-items:center;flex-wrap:wrap;z-index:10;box-shadow:0 0 25px rgba(0,240,255,.25)}
#cookie.show{display:flex}
#cookie p{margin:0;flex:1;font-size:14px;min-width:220px}
#cookie a{color:var(--cyan)}
.btn-primary{background:var(--cyan);color:#000;border:none;padding:8px 14px;border-radius:6px;cursor:pointer;font:inherit}