:root{color-scheme:dark;--bg: #05060a;--fg: #eef2ff;--panel: rgba(12, 14, 22, .92);--panel-border: rgba(255, 255, 255, .08);--accent: #6f9bff;--muted: rgba(238, 242, 255, .65)}*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;width:100%;overflow:hidden;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;overscroll-behavior:none;touch-action:none}body{position:fixed;top:0;right:0;bottom:0;left:0;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);padding:0}.app-shell{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100dvh;overflow:hidden}.play-canvas{display:block;width:100vw;height:100dvh;touch-action:none}.corner-hold-progress{position:fixed;top:max(env(safe-area-inset-top),.5rem);left:50%;width:min(9rem,40vw);height:.22rem;background:#eef2ffb8;border-radius:999px;opacity:.65;pointer-events:none;transform-origin:left center;translate:-50% 0;z-index:5}.parent-menu{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0000008c;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:max(env(safe-area-inset-top),1rem) max(env(safe-area-inset-right),1rem) max(env(safe-area-inset-bottom),1rem) max(env(safe-area-inset-left),1rem);z-index:10;overflow:auto}.parent-menu-card{width:min(560px,100%);max-height:100%;overflow:auto;background:var(--panel);border:1px solid var(--panel-border);border-radius:20px;padding:1.4rem 1.4rem 1.6rem;box-shadow:0 30px 80px #0000008c;pointer-events:auto}.parent-menu-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.8rem}.parent-menu h1{font-size:1.3rem;font-weight:600;margin:0}.parent-menu h2{font-size:.85rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:1.2rem 0 .6rem}.parent-menu section:first-of-type h2{margin-top:.4rem}.parent-close{background:var(--accent);color:#051022;border:none;border-radius:999px;padding:.55rem 1.1rem;font-weight:600;font-size:.95rem;cursor:pointer}.scene-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.5rem}.scene-button{background:#ffffff0d;color:var(--fg);border:1px solid var(--panel-border);border-radius:12px;padding:.85rem .5rem;font-size:.95rem;cursor:pointer;transition:background .12s ease,border-color .12s ease}.scene-button.active{background:#6f9bff2e;border-color:var(--accent)}.row-button{display:block;width:100%;text-align:left;background:#ffffff0d;color:var(--fg);border:1px solid var(--panel-border);border-radius:12px;padding:.85rem 1rem;font-size:1rem;cursor:pointer;margin-bottom:.5rem}.toggle-row,.slider-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 1rem;background:#ffffff08;border:1px solid var(--panel-border);border-radius:12px;margin-bottom:.5rem}.toggle-row span,.slider-row span{display:flex;flex-direction:column;font-size:1rem}.slider-row small{color:var(--muted);font-size:.8rem;margin-top:.2rem}.slider-row input[type=range]{flex:1;max-width:220px;accent-color:var(--accent)}.toggle-row input[type=checkbox]{width:1.4rem;height:1.4rem;accent-color:var(--accent)}.hint{margin:.6rem 0 0;font-size:.85rem;color:var(--muted);line-height:1.45}.hint.subtle{text-align:center;margin-top:1.2rem;font-size:.75rem;opacity:.7}.hint strong{color:var(--fg)}@media (max-width: 480px){.scene-grid{grid-template-columns:1fr}}