.loading-container{position:fixed;inset:0;display:flex;justify-content:center;align-items:center;background:#fff;z-index:9999}.spinner{width:50px;height:50px;position:relative}.spinner-ring{position:absolute;inset:0;border:3px solid transparent;border-radius:50%;border-top-color:#3b82f6;animation:spin 1s linear infinite}.spinner-ring:nth-child(2){scale:.8;border-top-color:#60a5fa;animation-direction:reverse;animation-duration:1.2s}@keyframes spin{to{transform:rotate(360deg)}}.scroll-to-top{position:fixed;bottom:30px;right:30px;background-color:#2c5364;color:#fff;border:none;border-radius:50%;width:50px;height:50px;font-size:24px;cursor:pointer;box-shadow:0 5px 15px #0000004d;transition:opacity .3s ease,transform .3s ease;z-index:999}.scroll-to-top:hover{background-color:#0f2027;transform:scale(1.1)}