:root{color-scheme:dark;--bg:#0c101b;--card:#171e30;--line:#33415c;--text:#f6f7fa;--muted:#b2bdcd;--accent:#efc65c}
*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:radial-gradient(ellipse at top,#243047 0%,var(--bg) 68%);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text)}
main{width:min(920px,100%);margin:0 auto;padding:22px 18px 42px}a{color:#f5cb68}header{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:22px}.brand{font-weight:800;letter-spacing:.10em;font-size:.78rem;color:var(--accent)}.back{font-size:.86rem;text-decoration:none;color:var(--muted)}h1{font-size:clamp(2rem,7vw,3.4rem);line-height:1.08;margin:0 0 10px}p{color:var(--muted);margin:0 0 16px}.eyebrow{font-weight:700;text-transform:uppercase;color:var(--accent);font-size:.75rem;letter-spacing:.16em;margin:0 0 9px}.panel{background:rgba(23,30,48,.9);border:1px solid var(--line);border-radius:20px;padding:22px;margin-top:23px;box-shadow:0 18px 55px rgba(0,0,0,.22)}.btn{border:0;cursor:pointer;display:inline-block;text-align:center;padding:13px 18px;border-radius:12px;background:var(--accent);color:#101522;font-size:.95rem;font-weight:800;text-decoration:none}.btn:focus-visible,a:focus-visible{outline:3px solid white;outline-offset:3px}.meta{font-size:.83rem;margin-top:14px}.tiny{font-size:.75rem;color:#909caf;margin-top:18px}.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin-top:26px}.choice{border:1px solid var(--line);border-radius:17px;padding:22px;text-decoration:none;background:var(--card);color:var(--text);transition:transform .15s}.choice:hover{transform:translateY(-2px)}.choice strong{display:block;font-size:1.3rem}.choice span{color:var(--muted);font-size:.85rem}.choice .dot{display:block;width:12px;height:12px;border-radius:50%;background:var(--accent);margin-bottom:18px}.status{font-size:.91rem;color:var(--muted)}#emulatorPanel[hidden],#missingPanel[hidden]{display:none}#game{width:100%;min-height:360px;aspect-ratio:4/3;overflow:hidden;border-radius:12px;background:#080a11}#game>div{max-width:100%}.divider{border-top:1px solid var(--line);margin:16px 0}label.file{cursor:pointer}input[type=file]{position:absolute;left:-9999px;width:1px;height:1px}.note{background:#101827;border-left:3px solid var(--accent);padding:10px 12px;border-radius:6px;font-size:.87rem}footer{font-size:.76rem;color:#98a3b4;margin-top:30px}@media(max-width:550px){main{padding:18px 12px 30px}.panel{padding:15px;border-radius:15px}#game{min-height:280px;aspect-ratio:3/4}}