:root{color-scheme:dark;--a:#1bfd9c;--d:#e2ffdc;--bg:#000;--line:#254339}*{box-sizing:border-box}body{margin:0;background:#000;color:var(--d);font:16px/1.5 system-ui,sans-serif}a{color:inherit}button,input,textarea,select{font:inherit}button,.button{cursor:pointer;background:#081b14;color:var(--a);border:1px solid var(--a);border-radius:12px;padding:10px 16px;text-decoration:none}button:hover,.button:hover{background:var(--a);color:#000}input,textarea,select{background:#07110d;color:#fff;border:1px solid #476458;border-radius:10px;padding:12px;max-width:100%}input:focus,textarea:focus{outline:2px solid var(--a)}header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px clamp(18px,5vw,70px);border-bottom:1px solid var(--line)}header img{width:65px;height:50px;object-fit:contain}header nav{display:flex;flex-wrap:wrap;gap:14px;font-size:14px}main{width:min(1050px,calc(100% - 32px));margin:0 auto;padding:42px 0 80px}.hero{text-align:center;margin:0 auto 32px;max-width:760px}.eyebrow{color:var(--a);letter-spacing:.2em;text-transform:uppercase;font-size:12px}h1{font-size:clamp(42px,7vw,86px);line-height:1;margin:10px 0 18px;letter-spacing:-.055em}h2{font-size:24px;margin:0 0 16px}p{color:#b8c9c1}.workspace{border:1px solid var(--line);background:radial-gradient(ellipse at 50% 0,#0b2117,#020604 60%,#000);border-radius:22px;padding:clamp(18px,3vw,34px);min-height:260px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.tile{border:1px solid var(--line);border-radius:16px;padding:18px;background:#07110d}.tile strong{display:block;font-size:19px}.tile p{margin:8px 0}.stack{display:grid;gap:12px}.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.field{display:grid;gap:6px}.muted{color:#9eb3a8;font-size:13px}.result{white-space:pre-wrap;overflow-wrap:anywhere;border-left:2px solid var(--a);padding:12px;margin-top:18px;background:#07130d}.chip{border:1px solid #395b4c;border-radius:99px;padding:5px 12px;font-size:12px;color:var(--a)}.board{display:grid;grid-template-columns:repeat(3,minmax(65px,100px));gap:8px;justify-content:center}.board button{height:90px;font-size:40px}.canvas{min-height:230px;border:1px solid #395b4c;border-radius:20px;display:grid;place-items:center;text-align:center;padding:25px}.center{text-align:center}.row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:14px 0}footer{text-align:center;padding:30px;color:#9eb3a8;border-top:1px solid var(--line)}@media(max-width:550px){header{align-items:flex-start}header nav{gap:7px}.workspace{padding:16px}h1{font-size:48px}}