.app-container{display:flex;justify-content:center;flex-direction:column;align-items:center;height:100vh}.email-container{display:flex;flex-direction:column;gap:15px;width:30%;margin:0 auto;border:1px solid #ddd;padding:30px;border-radius:5px}.email-row{display:flex;align-items:center;gap:10px}input[type=email]{flex:1;padding:12px;border:1px solid #ddd;border-radius:5px;font-size:16px}button{padding:8px 15px;border:none;background-color:#333;color:#fff;border-radius:4px;cursor:pointer;font-size:16px}button:disabled{background-color:#888;cursor:not-allowed}.loading-container,.error-container{display:flex;justify-content:center;align-items:center;height:100vh;font-size:18px;font-weight:500}.loading-container{color:#333}.error-container{color:#d9534f;background-color:#f9d7d7;padding:20px;border-radius:8px;box-shadow:0 4px 8px #0000001a}.spinner{border:4px solid rgba(255,255,255,.3);border-radius:50%;border-top:4px solid #333;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}