:root{--bg-color:#000;--surface-color:#1c1c1e;--text-primary:#fff;--text-secondary:#8e8e93;--accent-color:#a152fc;--ios-radius:20px}html,body,#root{background-color:var(--bg-color);color:var(--text-primary);-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;-webkit-overflow-scrolling:touch;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow-y:auto}::-webkit-scrollbar{width:0!important;height:0!important;display:none!important}html,body,#root{scrollbar-width:none!important;-ms-overflow-style:none!important}.card{background-color:var(--surface-color);border-radius:var(--ios-radius);margin:1rem 0;padding:1rem}@keyframes spin{to{transform:rotate(360deg)}}.animate-spin{animation:1s linear infinite spin;display:inline-block}.btn-primary{background-color:var(--text-primary);color:var(--bg-color);border-radius:var(--ios-radius);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;min-width:140px;padding:1rem 1.5rem;font-weight:600;display:flex}.btn-spinner{justify-content:center;align-items:center;width:24px;height:24px;margin:0 auto;display:flex}