:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;background-color:#121212;color:#ffffffde}body{margin:0;padding:0;width:100vw;height:100vh;overflow:hidden}#root{width:100%;height:100%}.overlay-container{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at center,#2a1b3d,#000);z-index:10}.intro-card{background:#1e1e1ecc;padding:2rem;border-radius:16px;box-shadow:0 8px 32px #00000080;border:1px solid rgba(255,255,255,.1);text-align:center;max-width:400px;width:90%;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.intro-card h1{margin-top:0;color:#d4af37}.api-input{width:100%;padding:12px;margin:16px 0;border-radius:8px;border:1px solid #444;background:#222;color:#fff;font-size:1rem}.start-btn{background:linear-gradient(45deg,#d4af37,#f2d06b);color:#000;border:none;padding:12px 24px;border-radius:8px;font-weight:700;cursor:pointer;font-size:1rem;transition:transform .1s}.start-btn:hover{transform:scale(1.05)}.start-btn:disabled{opacity:.5;cursor:not-allowed}.hint{font-size:.8rem;color:#888;margin-top:16px}.xr-ui-container{position:absolute;bottom:20px;left:50%;transform:translate(-50%);z-index:100;display:flex;gap:10px;pointer-events:none}.xr-btn{pointer-events:auto;background:#0009;border:1px solid white;color:#fff;padding:10px 20px;border-radius:20px;cursor:pointer}.error-toast{position:absolute;top:20px;left:50%;transform:translate(-50%);background:#ff3232e6;color:#fff;padding:12px 24px;border-radius:8px;z-index:2000;font-weight:700;box-shadow:0 4px 12px #00000080}