:root{color-scheme:light;font-family:system-ui,sans-serif}body{margin:0;min-height:100vh;background:#fff;color:#1a1a1a;display:flex;align-items:center;justify-content:center}.screen{display:flex;align-items:center;justify-content:center;width:100vw;height:100vh}.tap-target{display:flex;align-items:center;justify-content:center;padding:3rem;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.spinner{width:2rem;height:2rem;border:3px solid #e0e0e0;border-top-color:#1a1a1a;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.debug{font-size:15px;line-height:1.5;padding:1.5rem;max-width:40rem;margin:0 auto}.debug .mono{font-family:ui-monospace,monospace;word-break:break-all;background:#f2f2f2;padding:.5rem;border-radius:6px}.debug button{font-size:16px;padding:.6rem 1.2rem;margin-top:.5rem}