/* index.php - Login button spinner */
#loginBtn .btn-spinner {
    display: none;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: login-btn-spin 0.6s linear infinite;
    margin-right: 6px;
    vertical-align: middle;
}
#loginBtn.loading .btn-spinner { display: inline-block; }
#loginBtn.loading .btn-text { margin-left: 0; }
@keyframes login-btn-spin { to { transform: rotate(360deg); } }

/* Login error alert */
.login-form-error {
    padding: 14px 18px;
    margin-bottom: 12px;
    border-radius: 6px;
    font-size: 13px;
    text-align: center;
    background: rgba(255, 77, 79, 0.15);
    border: 1px solid rgba(255, 77, 79, 0.5);
    color: #ff4d4f;
}
.login-form-error.hide { display: none !important; }