:root{--bg: #14171c;--panel: #1e232b;--ink: #eef1f5;--muted: #9aa6b2;--accent: #ffd23f;--accent-ink: #1a1300;color-scheme:dark}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:radial-gradient(120% 100% at 50% 0%,#1b2230 0%,var(--bg) 60%);color:var(--ink);line-height:1.5;display:flex;flex-direction:column;min-height:100vh}.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.5rem 1rem;border-radius:0 0 8px;z-index:10}.skip-link:focus{left:0}.topbar{text-align:center;padding:1.5rem 1rem .5rem}.topbar h1{margin:0;font-size:clamp(1.6rem,4vw,2.4rem);letter-spacing:.5px}.tagline{margin:.25rem 0 0;color:var(--muted)}main{flex:1;display:flex;flex-direction:column;align-items:center;gap:1.5rem;padding:1rem}.stage{position:relative;width:min(640px,96vw);aspect-ratio:320 / 240;background:#000;border:1px solid #2c333d;border-radius:12px;overflow:hidden;box-shadow:0 18px 50px #00000073}.stage:focus-visible{outline:3px solid var(--accent);outline-offset:3px}#screen{width:100%;height:100%;display:block;image-rendering:pixelated}.hud{position:absolute;top:0;left:0;right:0;display:flex;gap:1rem;justify-content:center;padding:.5rem;font-size:.85rem;background:linear-gradient(rgba(0,0,0,.55),transparent);pointer-events:none}.hud-item{color:var(--muted)}.hud-item strong{color:var(--ink);font-variant-numeric:tabular-nums}.overlay{position:absolute;inset:0;display:grid;place-items:center;background:#080a0dd1;backdrop-filter:blur(2px);padding:1rem;text-align:center}.overlay[hidden]{display:none}.panel{max-width:28rem}.panel h2{margin:0 0 .5rem;font-size:1.5rem}.panel p{margin:0 0 1rem;color:var(--muted)}.btn{font:inherit;font-weight:700;padding:.7rem 1.6rem;border:none;border-radius:999px;background:var(--accent);color:var(--accent-ink);cursor:pointer}.btn:hover{filter:brightness(1.05)}.btn:focus-visible{outline:3px solid #fff;outline-offset:3px}.btn[hidden]{display:none}.howto{max-width:40rem;background:var(--panel);border:1px solid #2c333d;border-radius:12px;padding:1rem 1.5rem}.howto h2{margin-top:0;font-size:1.1rem}.howto ul{margin:0;padding-left:1.1rem}.howto li{margin:.35rem 0;color:var(--muted)}.howto strong{color:var(--ink)}.credits{text-align:center;color:var(--muted);font-size:.85rem;padding:1rem}.credits a{color:var(--accent)}.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;border:0;clip:rect(0 0 0 0);clip-path:inset(50%);overflow:hidden;white-space:nowrap}@media (prefers-reduced-motion: reduce){.overlay{backdrop-filter:none}}