:root { --matrix:#0f0; --bg:#000; }
html,body{margin:0;height:100%;background:#000;color:#0f0;font-family:Consolas,monospace;overflow:hidden}
#canvas{position:absolute;left:0;top:0;width:100vw;height:100vh;background:#000;}
.ui{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;text-align:center;padding:24px}
h1{letter-spacing:4px;margin:0 0 10px 0;text-shadow:0 0 12px var(--matrix)}
.subtitle{opacity:0.85;margin-bottom:20px}
.panel{background:rgba(0,0,0,0.6);border:1px solid var(--matrix);border-radius:12px;padding:18px;max-width:780px}
.btn{display:inline-block;margin-top:14px;padding:10px 16px;border:1px solid var(--matrix);border-radius:8px;color:#000;background:var(--matrix);text-decoration:none;font-weight:bold}
.btn:hover{filter:brightness(1.1)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin-top:10px}
.kv{background:#020;border:1px dashed #0a0;padding:8px;border-radius:8px;min-height:60px}
.footer{position:absolute;bottom:10px;left:0;right:0;text-align:center;opacity:.9}
a.link{color:#7CFF7C}