:root{--bg:#090910;--fg:#f4f4f8;--muted:#a9a9b7;--card:rgba(255,255,255,.07);--border:rgba(255,255,255,.15);--accent:#ffd84d}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% 0,#202044,#090910 52%,#030306);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.app-header,.app-footer{max-width:1500px;margin:auto;padding:1rem 1.25rem;display:flex;justify-content:space-between;gap:1rem;align-items:center}.app-header h1{margin:0;font-size:clamp(1.4rem,2.4vw,2.5rem)}.app-header p{margin:.2rem 0 0;color:var(--muted)}.version{border:1px solid var(--border);border-radius:999px;padding:.45rem .8rem;color:#ffe783;background:rgba(0,0,0,.24)}.layout{max-width:1500px;margin:0 auto;padding:0 1rem 1rem;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:1rem}.stage-card,.box,.content{background:var(--card);border:1px solid var(--border);border-radius:22px;box-shadow:0 18px 55px rgba(0,0,0,.32);backdrop-filter:blur(10px)}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem;border-bottom:1px solid var(--border)}.toolbar span{display:block;color:var(--muted);font-size:.9rem}.buttons{display:flex;flex-wrap:wrap;gap:.5rem}button{border:1px solid var(--border);border-radius:12px;background:#171728;color:var(--fg);padding:.62rem .8rem;cursor:pointer;font-weight:700}button:hover{background:#24243b}.primary{background:#cf2030}.stage{position:relative;aspect-ratio:16/9;background:#020204;overflow:hidden;border-radius:0 0 22px 22px;contain:layout paint style}canvas{position:absolute;inset:0;width:100%;height:100%;image-rendering:pixelated}.start-overlay{position:absolute;inset:0;display:grid;place-content:center;text-align:center;background:rgba(0,0,0,.38)}.start-overlay strong{font-family:Arial Black,Impact,sans-serif;color:var(--accent);font-size:clamp(2rem,7vw,6rem);text-shadow:0 0 28px rgba(255,216,77,.35)}.start-overlay span{color:rgba(255,255,255,.76);font-weight:700}.running .start-overlay{display:none}.panel{display:flex;flex-direction:column;gap:1rem}.box{padding:1rem}.box h2{margin:.1rem 0 .8rem;font-size:1.05rem}label{display:block;margin:.8rem 0;color:rgba(255,255,255,.86)}input[type=range],select{width:100%;margin-top:.35rem}select{background:#151522;color:var(--fg);border:1px solid var(--border);border-radius:10px;padding:.55rem}.check{display:flex;gap:.5rem;align-items:center}.quick-rules{display:grid;grid-template-columns:1fr 1fr;gap:.4rem}.info p,.content p{color:var(--muted);line-height:1.5}.content{max-width:1000px;margin:1rem auto;padding:1.25rem}.app-footer a{color:#ffe783;text-decoration:none;margin-right:1rem}@media(max-width:1000px){.layout{grid-template-columns:1fr}.toolbar{align-items:flex-start;flex-direction:column}.app-header,.app-footer{flex-direction:column;align-items:flex-start}}