*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.card{flex-direction:column;justify-content:center;align-items:center;gap:1.25rem;min-height:100vh;padding:2rem;display:flex}.avatar{object-fit:cover;border:3px solid #25d366;border-radius:50%;width:120px;height:120px}.avatar-fallback{border:3px solid #25d366;border-radius:50%;flex-shrink:0;width:120px;height:120px;overflow:hidden}.name{color:#111;font-size:1.5rem;font-weight:700}.subtitle{color:#555;font-size:1rem}.message-bubble{color:#333;text-align:center;background:#f0f0f0;border-radius:12px;max-width:280px;padding:.75rem 1.1rem;font-size:.95rem;line-height:1.4}.btn{color:#fff;cursor:pointer;background:#25d366;border:none;border-radius:50px;align-items:center;gap:.6rem;margin-top:.5rem;padding:.85rem 2rem;font-size:1.1rem;font-weight:600;text-decoration:none;transition:background .2s;display:flex}.btn:hover{background:#1ebe5d}.btn svg{flex-shrink:0}