:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Pretendard Variable,Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.flatball-app{color:#f8fafc;background:radial-gradient(circle at top,#0d111c 0%,#05070d 48%,#010207 100%);justify-content:center;min-height:100vh;padding:clamp(20px,4vw,48px);display:flex}.flatball-layout{gap:clamp(20px,3vw,36px);width:min(1080px,100%);display:grid}.flatball-topbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.flatball-topbar a{color:#f8faffd9;border:1px solid #94a3b859;border-radius:999px;padding:10px 18px;text-decoration:none}.flatball-stage{background:#04060ce6;border:1px solid #94a3b840;border-radius:32px;gap:18px;padding:clamp(18px,4vw,36px);display:grid;box-shadow:0 30px 120px #0000008c}.unity-host{place-items:center;display:grid}.unity-wrapper{background:#020409;border:1px solid #60a5fa4d;border-radius:24px;justify-content:center;align-items:center;width:min(520px,90vw,41.5983vh);transition:width .2s;display:flex;overflow:hidden}.unity-inner{aspect-ratio:1284/2778;width:100%}.unity-frame{background:#000;border:none;width:100%;height:100%}.fullscreen-active{border-radius:0;width:100%!important;height:100%!important}.fullscreen-active .unity-inner{width:min(100vw,46.2203vh);margin:0 auto}.control-row{flex-wrap:wrap;gap:12px;display:flex}.control-row button{cursor:pointer;border:none;border-radius:999px;padding:12px 20px;font-size:.95rem}.reload-btn{color:#03150c;background:linear-gradient(120deg,#34d399,#10b981);font-weight:600}.fullscreen-btn{color:#f8fafc;background:#f8faff1f;border:1px solid #f8faff40}.status-text{color:#e2e8f0c7;font-size:.9rem}