:root{--sky:#15b7eb;--sky-light:#9ddfef;--sky-deep:#0a1a2e;--cyan:#3bcbf1;--grass:#6fae2f;--grass-hi:#8fd04a;--grass-deep:#3f6d2a;--stone:#3c434d;--stone-light:#5b6472;--ink:#0e1622;--parchment:#efe7cf;--parchment-dim:#cdc3a6;--orange:#ff7a1a;--gold:#ffd23f;--rex:#2fb3b0;--element:#9a5ae0;--element-hi:#c8a0ff;--danger:#e5484d;--panel:#142235;--panel-edge:#0a1626;--well:#0b1524;--text-primary:#f5f7fa;--text-secondary:var(--parchment-dim);--text-muted:#8d99ab;--font-arcade:"Press Start 2P", monospace;--font-pixel:"Pixelify Sans", system-ui, sans-serif;--font-ui:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{overflow-x:hidden}html{scrollbar-color:var(--stone-light) var(--sky-deep)}body{font-family:var(--font-ui);background:var(--sky-deep);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh}a{color:var(--cyan)}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}::selection{color:#fff;background:#3bcbf166}.pixelated{image-rendering:pixelated;image-rendering:crisp-edges}.digits{font-family:var(--font-arcade);letter-spacing:.02em}.pixel-panel{background:var(--panel);border:4px solid var(--ink);box-shadow:0 0 0 4px var(--stone-light), 0 8px 0 4px var(--panel-edge), inset 0 0 0 2px #ffffff0d}.card{background:var(--panel);border:3px solid var(--ink);box-shadow:0 0 0 3px var(--stone-light), 0 6px 0 3px var(--panel-edge);padding:1.25rem 1.35rem}.well{background:var(--well);border:3px solid var(--ink);box-shadow:inset 0 3px #00000059}.pixel-btn{font-family:var(--font-pixel);font-variant-ligatures:none;letter-spacing:.02em;color:#fff;border:3px solid var(--ink);background:var(--stone);cursor:pointer;box-shadow:inset 0 3px 0 #ffffff47, inset 0 -4px 0 #00000052, 0 5px 0 0 var(--ink);image-rendering:pixelated;justify-content:center;align-items:center;gap:.5rem;padding:.6rem 1.1rem;font-size:1.05rem;font-weight:700;text-decoration:none;transition:transform 60ms steps(2,end),box-shadow 60ms steps(2,end),filter .15s;display:inline-flex;position:relative}.pixel-btn:hover:not(:disabled){filter:brightness(1.08)}.pixel-btn:active:not(:disabled){box-shadow:inset 0 3px 0 #ffffff3d, inset 0 -4px 0 #00000052, 0 1px 0 0 var(--ink);transform:translateY(4px)}.pixel-btn:disabled{opacity:.45;cursor:not-allowed}.pixel-btn.go{background:var(--grass)}.pixel-btn.stop{background:var(--danger)}.pixel-btn.restart{background:var(--orange)}.pixel-btn.live{background:var(--sky)}.pixel-btn.ghost{box-shadow:none;border-color:var(--stone-light);background:0 0}.pixel-btn.ghost:active:not(:disabled){transform:none}.pixel-btn.sm{box-shadow:inset 0 2px 0 #ffffff3d, inset 0 -3px 0 #0000004d, 0 4px 0 0 var(--ink);padding:.4rem .75rem;font-size:.85rem}.chip{font-family:var(--font-arcade);border:2px solid var(--ink);background:var(--well);color:var(--text-secondary);text-transform:uppercase;align-items:center;gap:.4rem;padding:.42rem .6rem;font-size:.6rem;line-height:1;display:inline-flex}.chip .dot{background:currentColor;width:8px;height:8px}.chip.on{color:var(--grass-hi)}.chip.off{color:var(--text-muted)}.chip.busy{color:var(--gold)}.chip.bad{color:var(--danger)}.chip.info{color:var(--cyan)}.chip.locked{color:var(--element-hi)}label{color:var(--text-secondary);margin-bottom:.35rem;font-size:.8rem;display:block}input[type=text],input[type=number],select,textarea{width:100%;font-family:var(--font-ui);color:var(--text-primary);background:var(--well);border:3px solid var(--ink);padding:.6rem .7rem;font-size:.95rem;box-shadow:inset 0 3px #00000059}textarea.code{font-family:var(--font-mono);white-space:pre;tab-size:4;min-height:22rem;font-size:.82rem;line-height:1.5}.shell{max-width:1100px;margin:0 auto;padding:1.5rem 1.25rem 4rem}.topbar{border-bottom:4px solid var(--ink);background:linear-gradient(180deg, #10203a 0%, var(--sky-deep) 100%);align-items:center;gap:1rem;padding:1rem 1.25rem;display:flex}.topbar .brand{font-family:var(--font-pixel);letter-spacing:.03em;color:#fff;font-size:1.5rem;text-decoration:none}.topbar .brand span{color:var(--cyan)}.topbar nav{align-items:center;gap:.5rem;margin-left:auto;display:flex}h1{font-family:var(--font-pixel);margin-bottom:.35rem;font-size:2rem;font-weight:700}h2{font-family:var(--font-pixel);margin-bottom:.6rem;font-size:1.35rem;font-weight:700}.sub{color:var(--text-secondary);margin-bottom:1.5rem;font-size:.92rem}.grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.1rem;display:grid}.row{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}.stack{gap:1.1rem;display:grid}.spread{justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.muted{color:var(--text-muted);font-size:.85rem}.kv{justify-content:space-between;gap:1rem;padding:.3rem 0;font-size:.88rem;display:flex}.kv span:first-child{color:var(--text-muted)}.notice{border:3px solid var(--ink);background:var(--well);border-left:6px solid var(--gold);color:var(--text-secondary);padding:.85rem 1rem;font-size:.88rem}.notice.bad{border-left-color:var(--danger)}.notice.good{border-left-color:var(--grass)}.empty{text-align:center;color:var(--text-muted);padding:3rem 1rem}@media (max-width:768px){.shell{padding:1rem .85rem 3rem}.grid{grid-template-columns:1fr}.spread{flex-direction:column;align-items:stretch}h1{font-size:1.6rem}}