:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--tg-theme-text-color, #111);background:var(--tg-theme-bg-color, #f4f4f5)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--tg-theme-bg-color, #f4f4f5)}#app{max-width:480px;margin:0 auto;padding:16px 16px 120px}.header h1{margin:0 0 4px;font-size:1.35rem}.subtitle{margin:0 0 4px}.small{font-size:.8rem}.muted{margin:0;color:var(--tg-theme-hint-color, #6b7280);font-size:.9rem}.hint{margin:0 0 10px;font-size:.78rem;color:var(--tg-theme-hint-color, #6b7280);line-height:1.45}.card{margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--tg-theme-secondary-bg-color, #fff);box-shadow:0 1px 2px #0000000f}.label{margin:0 0 8px;font-size:.8rem;color:var(--tg-theme-hint-color, #6b7280)}.out{margin:0;white-space:pre-wrap;word-break:break-word;font-size:.85rem;line-height:1.45}.out.tight{margin-top:8px;font-size:.8rem}.btn-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.btn-grid.two{grid-template-columns:1fr 1fr}.btn{padding:10px 12px;border:none;border-radius:10px;font-size:.82rem;font-weight:600;color:var(--tg-theme-button-text-color, #fff);background:var(--tg-theme-button-color, #2481cc);cursor:pointer}.btn.secondary{background:var(--tg-theme-secondary-bg-color, #e5e7eb);color:var(--tg-theme-text-color, #111);border:1px solid rgba(128,128,128,.35)}@media(max-width:360px){.btn-grid{grid-template-columns:1fr}}